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mergeing mqtt into master

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pull/41/head
Benjamin Runnels 9 years ago
parent c11cf7def5
commit 248f2f3f47
39 changed files with 2286 additions and 164 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 2
      Makefile
  2. 7
      cmd/handlers.c
  3. 336
      cmd/mqtt_cmd.c
  4. 22
      cmd/mqtt_cmd.h
  5. 2
      cmd/rest.c
  6. 1
      cmd/rest.h
  7. 31
      esp-link.vcxproj
  8. 0
      esp-link/cgi.c
  9. 0
      esp-link/cgi.h
  10. 0
      esp-link/cgiflash.c
  11. 0
      esp-link/cgiflash.h
  12. 0
      esp-link/cgipins.c
  13. 0
      esp-link/cgipins.h
  14. 0
      esp-link/cgitcp.c
  15. 0
      esp-link/cgitcp.h
  16. 0
      esp-link/cgiwifi.c
  17. 4
      esp-link/cgiwifi.h
  18. 0
      esp-link/config.c
  19. 0
      esp-link/config.h
  20. 0
      esp-link/log.c
  21. 0
      esp-link/log.h
  22. 168
      esp-link/main.c
  23. 0
      esp-link/status.c
  24. 0
      esp-link/status.h
  25. 11
      httpd/httpdespfs.c
  26. 6
      httpd/httpdespfs.h
  27. 5
      include/esp8266.h
  28. 19
      include/user_config.h
  29. 635
      mqtt/mqtt.c
  30. 144
      mqtt/mqtt.h
  31. 451
      mqtt/mqtt_msg.c
  32. 117
      mqtt/mqtt_msg.h
  33. 86
      mqtt/proto.c
  34. 21
      mqtt/proto.h
  35. 53
      mqtt/queue.c
  36. 46
      mqtt/queue.h
  37. 63
      mqtt/ringbuf.c
  38. 17
      mqtt/ringbuf.h
  39. 201
      user/user_main.c

2
Makefile
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@ -143,7 +143,7 @@ TARGET = httpd
APPGEN_TOOL ?= gen_appbin.py APPGEN_TOOL ?= gen_appbin.py
# which modules (subdirectories) of the project to include in compiling # which modules (subdirectories) of the project to include in compiling
MODULES = espfs httpd user serial cmd MODULES = espfs httpd user serial cmd mqtt esp-link
EXTRA_INCDIR = include . EXTRA_INCDIR = include .
# libraries used in this project, mainly provided by the SDK # libraries used in this project, mainly provided by the SDK

7
cmd/handlers.c
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@ -9,6 +9,7 @@
#include "serbridge.h" #include "serbridge.h"
#include "uart.h" #include "uart.h"
#include "cgiwifi.h" #include "cgiwifi.h"
#include "mqtt_cmd.h"
static uint32_t CMD_Null(CmdPacket *cmd); static uint32_t CMD_Null(CmdPacket *cmd);
static uint32_t CMD_IsReady(CmdPacket *cmd); static uint32_t CMD_IsReady(CmdPacket *cmd);
@ -18,6 +19,7 @@ static uint32_t CMD_AddCallback(CmdPacket *cmd);
// keep track of last status sent to uC so we can notify it when it changes // keep track of last status sent to uC so we can notify it when it changes
static uint8_t lastWifiStatus = wifiIsDisconnected; static uint8_t lastWifiStatus = wifiIsDisconnected;
static bool wifiCbAdded = false;
// Command dispatch table for serial -> ESP commands // Command dispatch table for serial -> ESP commands
const CmdList commands[] = { const CmdList commands[] = {
@ -131,7 +133,10 @@ CMD_WifiConnect(CmdPacket *cmd) {
if(cmd->argc != 2 || cmd->callback == 0) if(cmd->argc != 2 || cmd->callback == 0)
return 0; return 0;
wifiStatusCb = CMD_WifiCb; // register our callback with wifi subsystem if (!wifiCbAdded) {
wifiAddStateChangeCb(CMD_WifiCb); // register our callback with wifi subsystem
wifiCbAdded = true;
}
CMD_AddCb("wifiCb", (uint32_t)cmd->callback); // save the MCU's callback CMD_AddCb("wifiCb", (uint32_t)cmd->callback); // save the MCU's callback
lastWifiStatus = 0xff; // set to invalid value so we immediately send status cb in all cases lastWifiStatus = 0xff; // set to invalid value so we immediately send status cb in all cases
CMD_WifiCb(wifiState); CMD_WifiCb(wifiState);

336
cmd/mqtt_cmd.c
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@ -0,0 +1,336 @@
#include "mqtt_cmd.h"
uint32_t connectedCb = 0, disconnectCb = 0, tcpDisconnectedCb = 0, publishedCb = 0, dataCb = 0;
void ICACHE_FLASH_ATTR
cmdMqttConnectedCb(uint32_t* args) {
MQTT_Client* client = (MQTT_Client*)args;
MqttCmdCb* cb = (MqttCmdCb*)client->user_data;
os_printf("MQTT: Connected connectedCb=%p, disconnectedCb=%p, publishedCb=%p, dataCb=%p\n",
(void*)cb->connectedCb,
(void*)cb->disconnectedCb,
(void*)cb->publishedCb,
(void*)cb->dataCb);
uint16_t crc = CMD_ResponseStart(CMD_MQTT_EVENTS, cb->connectedCb, 0, 0);
CMD_ResponseEnd(crc);
}
void ICACHE_FLASH_ATTR
cmdMqttTcpDisconnectedCb(uint32_t *args) {
MQTT_Client* client = (MQTT_Client*)args;
MqttCmdCb *cb = (MqttCmdCb*)client->user_data;
os_printf("MQTT: TCP Disconnected\n");
uint16_t crc = CMD_ResponseStart(CMD_MQTT_EVENTS, cb->tcpDisconnectedCb, 0, 0);
CMD_ResponseEnd(crc);
}
void ICACHE_FLASH_ATTR
cmdMqttDisconnectedCb(uint32_t* args) {
MQTT_Client* client = (MQTT_Client*)args;
MqttCmdCb* cb = (MqttCmdCb*)client->user_data;
os_printf("MQTT: Disconnected\n");
uint16_t crc = CMD_ResponseStart(CMD_MQTT_EVENTS, cb->disconnectedCb, 0, 0);
CMD_ResponseEnd(crc);
}
void ICACHE_FLASH_ATTR
cmdMqttPublishedCb(uint32_t* args) {
MQTT_Client* client = (MQTT_Client*)args;
MqttCmdCb* cb = (MqttCmdCb*)client->user_data;
os_printf("MQTT: Published\n");
uint16_t crc = CMD_ResponseStart(CMD_MQTT_EVENTS, cb->publishedCb, 0, 0);
CMD_ResponseEnd(crc);
}
void ICACHE_FLASH_ATTR
cmdMqttDataCb(uint32_t* args, const char* topic, uint32_t topic_len, const char* data, uint32_t data_len) {
uint16_t crc = 0;
MQTT_Client* client = (MQTT_Client*)args;
MqttCmdCb* cb = (MqttCmdCb*)client->user_data;
crc = CMD_ResponseStart(CMD_MQTT_EVENTS, cb->dataCb, 0, 2);
crc = CMD_ResponseBody(crc, (uint8_t*)topic, topic_len);
crc = CMD_ResponseBody(crc, (uint8_t*)data, data_len);
CMD_ResponseEnd(crc);
}
uint32_t ICACHE_FLASH_ATTR
MQTTCMD_Setup(CmdPacket *cmd) {
CmdRequest req;
CMD_Request(&req, cmd);
if (CMD_GetArgc(&req) != 9)
return 0;
// create mqtt client
uint8_t clientLen = sizeof(MQTT_Client);
MQTT_Client* client = (MQTT_Client*)os_zalloc(clientLen);
if (client == NULL)
return 0;
os_memset(client, 0, clientLen);
uint16_t len;
uint8_t *client_id, *user_data, *pass_data;
uint32_t keepalive, clean_session, cb_data;
// get client id
len = CMD_ArgLen(&req);
if (len > 32) return 0; // safety check
client_id = (uint8_t*)os_zalloc(len + 1);
CMD_PopArg(&req, client_id, len);
client_id[len] = 0;
// get username
len = CMD_ArgLen(&req);
if (len > 32) return 0; // safety check
user_data = (uint8_t*)os_zalloc(len + 1);
CMD_PopArg(&req, user_data, len);
user_data[len] = 0;
// get password
len = CMD_ArgLen(&req);
if (len > 32) return 0; // safety check
pass_data = (uint8_t*)os_zalloc(len + 1);
CMD_PopArg(&req, pass_data, len);
pass_data[len] = 0;
// get keepalive
CMD_PopArg(&req, (uint8_t*)&keepalive, 4);
// get clean session
CMD_PopArg(&req, (uint8_t*)&clean_session, 4);
os_printf("MQTT: MQTTCMD_Setup clientid=%s, user=%s, pw=%s, keepalive=%ld, clean_session=%ld\n", client_id, user_data, pass_data, keepalive, clean_session);
// init client
// TODO: why malloc these all here, pass to MQTT_InitClient to be malloc'd again?
MQTT_InitClient(client, (char*)client_id, (char*)user_data, (char*)pass_data, keepalive, clean_session);
// create callback
MqttCmdCb* callback = (MqttCmdCb*)os_zalloc(sizeof(MqttCmdCb));
CMD_PopArg(&req, (uint8_t*)&cb_data, 4);
callback->connectedCb = cb_data;
CMD_PopArg(&req, (uint8_t*)&cb_data, 4);
callback->disconnectedCb = cb_data;
CMD_PopArg(&req, (uint8_t*)&cb_data, 4);
callback->publishedCb = cb_data;
CMD_PopArg(&req, (uint8_t*)&cb_data, 4);
callback->dataCb = cb_data;
client->user_data = callback;
client->cmdConnectedCb = cmdMqttConnectedCb;
client->cmdDisconnectedCb = cmdMqttDisconnectedCb;
client->cmdPublishedCb = cmdMqttPublishedCb;
client->cmdDataCb = cmdMqttDataCb;
if (CMD_GetArgc(&req) == 10) {
CMD_PopArg(&req, (uint8_t*)&cb_data, 4);
callback->tcpDisconnectedCb = cb_data;
client->cmdTcpDisconnectedCb = cmdMqttTcpDisconnectedCb;
}
os_free(client_id);
os_free(user_data);
os_free(pass_data);
return (uint32_t)client;
}
uint32_t ICACHE_FLASH_ATTR
MQTTCMD_Lwt(CmdPacket *cmd) {
CmdRequest req;
CMD_Request(&req, cmd);
if (CMD_GetArgc(&req) != 5)
return 0;
// get mqtt client
uint32_t client_ptr;
CMD_PopArg(&req, (uint8_t*)&client_ptr, 4);
MQTT_Client* client = (MQTT_Client*)client_ptr;
os_printf("MQTT: MQTTCMD_Lwt client ptr=%p\n", (void*)client_ptr);
uint16_t len;
// get topic
if (client->connect_info.will_topic)
os_free(client->connect_info.will_topic);
len = CMD_ArgLen(&req);
if (len > 128) return 0; // safety check
client->connect_info.will_topic = (char*)os_zalloc(len + 1);
CMD_PopArg(&req, client->connect_info.will_topic, len);
client->connect_info.will_topic[len] = 0;
// get message
if (client->connect_info.will_message)
os_free(client->connect_info.will_message);
len = CMD_ArgLen(&req);
// TODO: safety check
client->connect_info.will_message = (char*)os_zalloc(len + 1);
CMD_PopArg(&req, client->connect_info.will_message, len);
client->connect_info.will_message[len] = 0;
// get qos
CMD_PopArg(&req, (uint8_t*)&client->connect_info.will_qos, 4);
// get retain
CMD_PopArg(&req, (uint8_t*)&client->connect_info.will_retain, 4);
os_printf("MQTT: MQTTCMD_Lwt topic=%s, message=%s, qos=%d, retain=%d\n",
client->connect_info.will_topic,
client->connect_info.will_message,
client->connect_info.will_qos,
client->connect_info.will_retain);
return 1;
}
uint32_t ICACHE_FLASH_ATTR
MQTTCMD_Connect(CmdPacket *cmd) {
CmdRequest req;
CMD_Request(&req, cmd);
if (CMD_GetArgc(&req) != 4)
return 0;
// get mqtt client
uint32_t client_ptr;
CMD_PopArg(&req, (uint8_t*)&client_ptr, 4);
MQTT_Client* client = (MQTT_Client*)client_ptr;
os_printf("MQTT: MQTTCMD_Connect client ptr=%p\n", (void*)client_ptr);
uint16_t len;
// get host
if (client->host)
os_free(client->host);
len = CMD_ArgLen(&req);
if (len > 128) return 0; // safety check
client->host = (char*)os_zalloc(len + 1);
CMD_PopArg(&req, client->host, len);
client->host[len] = 0;
// get port
CMD_PopArg(&req, (uint8_t*)&client->port, 4);
// get security
CMD_PopArg(&req, (uint8_t*)&client->security, 4);
os_printf("MQTT: MQTTCMD_Connect host=%s, port=%ld, security=%d\n",
client->host,
client->port,
client->security);
MQTT_Connect(client);
return 1;
}
uint32_t ICACHE_FLASH_ATTR
MQTTCMD_Disconnect(CmdPacket *cmd) {
CmdRequest req;
CMD_Request(&req, cmd);
if (CMD_GetArgc(&req) != 1)
return 0;
// get mqtt client
uint32_t client_ptr;
CMD_PopArg(&req, (uint8_t*)&client_ptr, 4);
MQTT_Client* client = (MQTT_Client*)client_ptr;
os_printf("MQTT: MQTTCMD_Disconnect client ptr=%p\n", (void*)client_ptr);
// disconnect
MQTT_Disconnect(client);
return 1;
}
uint32_t ICACHE_FLASH_ATTR
MQTTCMD_Publish(CmdPacket *cmd) {
CmdRequest req;
CMD_Request(&req, cmd);
if (CMD_GetArgc(&req) != 6)
return 0;
// get mqtt client
uint32_t client_ptr;
CMD_PopArg(&req, (uint8_t*)&client_ptr, 4);
MQTT_Client* client = (MQTT_Client*)client_ptr;
os_printf("MQTT: MQTTCMD_Publish client ptr=%p\n", (void*)client_ptr);
uint16_t len;
uint8_t *topic, *data;
uint32_t qos = 0, retain = 0, data_len;
// get topic
len = CMD_ArgLen(&req);
if (len > 128) return 0; // safety check
topic = (uint8_t*)os_zalloc(len + 1);
CMD_PopArg(&req, topic, len);
topic[len] = 0;
// get data
len = CMD_ArgLen(&req);
// TODO: Safety check
// TODO: this was orignially zalloc len not len+1
data = (uint8_t*)os_zalloc(len+1);
CMD_PopArg(&req, data, len);
// TODO: next line not originally present
data[len] = 0;
// get data length
// TODO: this isn't used but we have to pull it off the stack
CMD_PopArg(&req, (uint8_t*)&data_len, 4);
// get qos
CMD_PopArg(&req, (uint8_t*)&qos, 4);
// get retain
CMD_PopArg(&req, (uint8_t*)&retain, 4);
os_printf("MQTT: MQTTCMD_Publish topic=%s, data_len=%d, qos=%ld, retain=%ld\n",
topic,
os_strlen((char*)data),
qos,
retain);
MQTT_Publish(client, (char*)topic, (char*)data, (uint8_t)qos, (uint8_t)retain);
os_free(topic);
os_free(data);
return 1;
}
uint32_t ICACHE_FLASH_ATTR
MQTTCMD_Subscribe(CmdPacket *cmd) {
CmdRequest req;
CMD_Request(&req, cmd);
if (CMD_GetArgc(&req) != 3)
return 0;
// get mqtt client
uint32_t client_ptr;
CMD_PopArg(&req, (uint8_t*)&client_ptr, 4);
MQTT_Client* client = (MQTT_Client*)client_ptr;
os_printf("MQTT: MQTTCMD_Subscribe client ptr=%p\n", (void*)client_ptr);
uint16_t len;
uint8_t* topic;
uint32_t qos = 0;
// get topic
len = CMD_ArgLen(&req);
if (len > 128) return 0; // safety check
topic = (uint8_t*)os_zalloc(len + 1);
CMD_PopArg(&req, topic, len);
topic[len] = 0;
// get qos
CMD_PopArg(&req, (uint8_t*)&qos, 4);
os_printf("MQTT: MQTTCMD_Subscribe topic=%s, qos=%ld\n", topic, qos);
MQTT_Subscribe(client, (char*)topic, (uint8_t)qos);
os_free(topic);
return 1;
}

22
cmd/mqtt_cmd.h
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@ -0,0 +1,22 @@
#ifndef MODULES_MQTT_CMD_H_
#define MODULES_MQTT_CMD_H_
#include "cmd.h"
#include "mqtt.h"
typedef struct {
uint32_t connectedCb;
uint32_t disconnectedCb;
uint32_t publishedCb;
uint32_t dataCb;
uint32_t tcpDisconnectedCb;
} MqttCmdCb;
uint32_t MQTTCMD_Connect(CmdPacket *cmd);
uint32_t MQTTCMD_Disconnect(CmdPacket *cmd);
uint32_t MQTTCMD_Setup(CmdPacket *cmd);
uint32_t MQTTCMD_Publish(CmdPacket *cmd);
uint32_t MQTTCMD_Subscribe(CmdPacket *cmd);
uint32_t MQTTCMD_Lwt(CmdPacket *cmd);
#endif /* MODULES_MQTT_CMD_H_ */

2
cmd/rest.c
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@ -16,8 +16,6 @@ static RestClient restClient[MAX_REST];
static uint8_t restNum = 0xff; // index into restClient for next slot to allocate static uint8_t restNum = 0xff; // index into restClient for next slot to allocate
#define REST_CB 0xbeef0000 // fudge added to callback for arduino so we can detect problems #define REST_CB 0xbeef0000 // fudge added to callback for arduino so we can detect problems
extern uint8_t ICACHE_FLASH_ATTR UTILS_StrToIP(const char* str, void *ip);
static void ICACHE_FLASH_ATTR static void ICACHE_FLASH_ATTR
tcpclient_discon_cb(void *arg) { tcpclient_discon_cb(void *arg) {
struct espconn *pespconn = (struct espconn *)arg; struct espconn *pespconn = (struct espconn *)arg;

1
cmd/rest.h
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@ -36,5 +36,6 @@ typedef struct {
uint32_t REST_Setup(CmdPacket *cmd); uint32_t REST_Setup(CmdPacket *cmd);
uint32_t REST_Request(CmdPacket *cmd); uint32_t REST_Request(CmdPacket *cmd);
uint32_t REST_SetHeader(CmdPacket *cmd); uint32_t REST_SetHeader(CmdPacket *cmd);
uint8_t UTILS_StrToIP(const char* str, void *ip);
#endif /* MODULES_INCLUDE_API_H_ */ #endif /* MODULES_INCLUDE_API_H_ */

31
esp-link.vcxproj
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@ -28,7 +28,7 @@
<PropertyGroup> <PropertyGroup>
<NMakeOutput /> <NMakeOutput />
<NMakePreprocessorDefinitions>__ets__;_STDINT_H;ICACHE_FLASH;__MINGW32__;__WIN32__</NMakePreprocessorDefinitions> <NMakePreprocessorDefinitions>__ets__;_STDINT_H;ICACHE_FLASH;__MINGW32__;__WIN32__</NMakePreprocessorDefinitions>
<NMakeIncludeSearchPath>.\cmd;.\serial;.\user;.\espfs;.\httpd;.\include;..\esp_iot_sdk_v1.3.0\include;C:\tools\mingw64\include</NMakeIncludeSearchPath> <NMakeIncludeSearchPath>.\esp-link;.\mqtt;.\cmd;.\serial;.\user;.\espfs;.\httpd;.\include;..\esp_iot_sdk_v1.3.0\include;..\xtensa-lx106-elf\xtensa-lx106-elf\include;c:\tools\mingw64\x86_64-w64-mingw32\include;c:\tools\mingw64\lib\gcc\x86_64-w64-mingw32\4.8.3\include</NMakeIncludeSearchPath>
<ExecutablePath /> <ExecutablePath />
<ReferencePath /> <ReferencePath />
<LibraryPath /> <LibraryPath />
@ -65,6 +65,7 @@
<ItemGroup> <ItemGroup>
<ClCompile Include="cmd\cmd.c" /> <ClCompile Include="cmd\cmd.c" />
<ClCompile Include="cmd\handlers.c" /> <ClCompile Include="cmd\handlers.c" />
<ClCompile Include="cmd\mqtt_cmd.c" />
<ClCompile Include="cmd\rest.c" /> <ClCompile Include="cmd\rest.c" />
<ClCompile Include="cmd\tcpclient.c" /> <ClCompile Include="cmd\tcpclient.c" />
<ClCompile Include="espfs\espfs.c" /> <ClCompile Include="espfs\espfs.c" />
@ -75,12 +76,26 @@
<ClCompile Include="httpd\base64.c" /> <ClCompile Include="httpd\base64.c" />
<ClCompile Include="httpd\httpd.c" /> <ClCompile Include="httpd\httpd.c" />
<ClCompile Include="httpd\httpdespfs.c" /> <ClCompile Include="httpd\httpdespfs.c" />
<ClCompile Include="mqtt\mqtt.c" />
<ClCompile Include="mqtt\mqtt_msg.c" />
<ClCompile Include="mqtt\proto.c" />
<ClCompile Include="mqtt\queue.c" />
<ClCompile Include="mqtt\ringbuf.c" />
<ClCompile Include="serial\console.c" /> <ClCompile Include="serial\console.c" />
<ClCompile Include="serial\crc16.c" /> <ClCompile Include="serial\crc16.c" />
<ClCompile Include="serial\serbridge.c" /> <ClCompile Include="serial\serbridge.c" />
<ClCompile Include="serial\serled.c" /> <ClCompile Include="serial\serled.c" />
<ClCompile Include="serial\slip.c" /> <ClCompile Include="serial\slip.c" />
<ClCompile Include="serial\uart.c" /> <ClCompile Include="serial\uart.c" />
<ClCompile Include="esp-link\cgi.c" />
<ClCompile Include="esp-link\cgiflash.c" />
<ClCompile Include="esp-link\cgipins.c" />
<ClCompile Include="esp-link\cgitcp.c" />
<ClCompile Include="esp-link\cgiwifi.c" />
<ClCompile Include="esp-link\config.c" />
<ClCompile Include="esp-link\log.c" />
<ClCompile Include="esp-link\status.c" />
<ClCompile Include="esp-link\main.c" />
<ClCompile Include="user\cgi.c" /> <ClCompile Include="user\cgi.c" />
<ClCompile Include="user\cgiflash.c" /> <ClCompile Include="user\cgiflash.c" />
<ClCompile Include="user\cgipins.c" /> <ClCompile Include="user\cgipins.c" />
@ -93,6 +108,7 @@
</ItemGroup> </ItemGroup>
<ItemGroup> <ItemGroup>
<ClInclude Include="cmd\cmd.h" /> <ClInclude Include="cmd\cmd.h" />
<ClInclude Include="cmd\mqtt_cmd.h" />
<ClInclude Include="cmd\rest.h" /> <ClInclude Include="cmd\rest.h" />
<ClInclude Include="cmd\tcpclient.h" /> <ClInclude Include="cmd\tcpclient.h" />
<ClInclude Include="espfs\espfs.h" /> <ClInclude Include="espfs\espfs.h" />
@ -106,11 +122,24 @@
<ClInclude Include="include\espmissingincludes.h" /> <ClInclude Include="include\espmissingincludes.h" />
<ClInclude Include="include\uart_hw.h" /> <ClInclude Include="include\uart_hw.h" />
<ClInclude Include="include\user_config.h" /> <ClInclude Include="include\user_config.h" />
<ClInclude Include="mqtt\mqtt.h" />
<ClInclude Include="mqtt\mqtt_msg.h" />
<ClInclude Include="mqtt\proto.h" />
<ClInclude Include="mqtt\queue.h" />
<ClInclude Include="mqtt\ringbuf.h" />
<ClInclude Include="serial\console.h" /> <ClInclude Include="serial\console.h" />
<ClInclude Include="serial\crc16.h" /> <ClInclude Include="serial\crc16.h" />
<ClInclude Include="serial\serbridge.h" /> <ClInclude Include="serial\serbridge.h" />
<ClInclude Include="serial\serled.h" /> <ClInclude Include="serial\serled.h" />
<ClInclude Include="serial\uart.h" /> <ClInclude Include="serial\uart.h" />
<ClInclude Include="esp-link\cgi.h" />
<ClInclude Include="esp-link\cgiflash.h" />
<ClInclude Include="esp-link\cgipins.h" />
<ClInclude Include="esp-link\cgitcp.h" />
<ClInclude Include="esp-link\cgiwifi.h" />
<ClInclude Include="esp-link\config.h" />
<ClInclude Include="esp-link\log.h" />
<ClInclude Include="esp-link\status.h" />
<ClInclude Include="user\cgi.h" /> <ClInclude Include="user\cgi.h" />
<ClInclude Include="user\cgiflash.h" /> <ClInclude Include="user\cgiflash.h" />
<ClInclude Include="user\cgipins.h" /> <ClInclude Include="user\cgipins.h" />

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user/cgi.c → esp-link/cgi.c
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4
user/cgiwifi.h → esp-link/cgiwifi.h
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@ -4,6 +4,7 @@
#include "httpd.h" #include "httpd.h"
enum { wifiIsDisconnected, wifiIsConnected, wifiGotIP }; enum { wifiIsDisconnected, wifiIsConnected, wifiGotIP };
typedef void(*WifiStateChangeCb)(uint8_t wifiStatus);
int cgiWiFiScan(HttpdConnData *connData); int cgiWiFiScan(HttpdConnData *connData);
int cgiWifiInfo(HttpdConnData *connData); int cgiWifiInfo(HttpdConnData *connData);
@ -13,8 +14,9 @@ int cgiWiFiSetMode(HttpdConnData *connData);
int cgiWiFiConnStatus(HttpdConnData *connData); int cgiWiFiConnStatus(HttpdConnData *connData);
int cgiWiFiSpecial(HttpdConnData *connData); int cgiWiFiSpecial(HttpdConnData *connData);
void wifiInit(void); void wifiInit(void);
void wifiAddStateChangeCb(WifiStateChangeCb cb);
extern uint8_t wifiState; extern uint8_t wifiState;
extern void (*wifiStatusCb)(uint8_t); // callback when wifi status changes //extern void (*wifiStatusCb)(uint8_t); // callback when wifi status changes
#endif #endif

0
user/config.c → esp-link/config.c
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0
user/config.h → esp-link/config.h
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0
user/log.c → esp-link/log.c
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0
user/log.h → esp-link/log.h
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168
esp-link/main.c
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@ -0,0 +1,168 @@
/*
* ----------------------------------------------------------------------------
* "THE BEER-WARE LICENSE" (Revision 42):
* Jeroen Domburg <jeroen@spritesmods.com> wrote this file. As long as you retain
* this notice you can do whatever you want with this stuff. If we meet some day,
* and you think this stuff is worth it, you can buy me a beer in return.
* ----------------------------------------------------------------------------
* Heavily modified and enhanced by Thorsten von Eicken in 2015
* ----------------------------------------------------------------------------
*/
#include <esp8266.h>
#include "httpd.h"
#include "httpdespfs.h"
#include "cgi.h"
#include "cgiwifi.h"
#include "cgipins.h"
#include "cgitcp.h"
#include "cgiflash.h"
#include "auth.h"
#include "espfs.h"
#include "uart.h"
#include "serbridge.h"
#include "status.h"
#include "serled.h"
#include "console.h"
#include "config.h"
#include "log.h"
#include <gpio.h>
//#define SHOW_HEAP_USE
//Function that tells the authentication system what users/passwords live on the system.
//This is disabled in the default build; if you want to try it, enable the authBasic line in
//the builtInUrls below.
int myPassFn(HttpdConnData *connData, int no, char *user, int userLen, char *pass, int passLen) {
if (no == 0) {
os_strcpy(user, "admin");
os_strcpy(pass, "s3cr3t");
return 1;
//Add more users this way. Check against incrementing no for each user added.
// } else if (no==1) {
// os_strcpy(user, "user1");
// os_strcpy(pass, "something");
// return 1;
}
return 0;
}
/*
This is the main url->function dispatching data struct.
In short, it's a struct with various URLs plus their handlers. The handlers can
be 'standard' CGI functions you wrote, or 'special' CGIs requiring an argument.
They can also be auth-functions. An asterisk will match any url starting with
everything before the asterisks; "*" matches everything. The list will be
handled top-down, so make sure to put more specific rules above the more
general ones. Authorization things (like authBasic) act as a 'barrier' and
should be placed above the URLs they protect.
*/
HttpdBuiltInUrl builtInUrls[] = {
{ "/", cgiRedirect, "/home.html" },
{ "/menu", cgiMenu, NULL },
{ "/flash/next", cgiGetFirmwareNext, NULL },
{ "/flash/upload", cgiUploadFirmware, NULL },
{ "/flash/reboot", cgiRebootFirmware, NULL },
//{"/home.html", cgiEspFsHtml, NULL},
//{"/log.html", cgiEspFsHtml, NULL},
{ "/log/text", ajaxLog, NULL },
{ "/log/dbg", ajaxLogDbg, NULL },
//{"/console.html", cgiEspFsHtml, NULL},
{ "/console/reset", ajaxConsoleReset, NULL },
{ "/console/baud", ajaxConsoleBaud, NULL },
{ "/console/text", ajaxConsole, NULL },
//Routines to make the /wifi URL and everything beneath it work.
//Enable the line below to protect the WiFi configuration with an username/password combo.
// {"/wifi/*", authBasic, myPassFn},
{ "/wifi", cgiRedirect, "/wifi/wifi.html" },
{ "/wifi/", cgiRedirect, "/wifi/wifi.html" },
//{"/wifi/wifi.html", cgiEspFsHtml, NULL},
{ "/wifi/info", cgiWifiInfo, NULL },
{ "/wifi/scan", cgiWiFiScan, NULL },
{ "/wifi/connect", cgiWiFiConnect, NULL },
{ "/wifi/connstatus", cgiWiFiConnStatus, NULL },
{ "/wifi/setmode", cgiWiFiSetMode, NULL },
{ "/wifi/special", cgiWiFiSpecial, NULL },
{ "/pins", cgiPins, NULL },
{ "/tcpclient", cgiTcp, NULL },
{ "*", cgiEspFsHook, NULL }, //Catch-all cgi function for the filesystem
{ NULL, NULL, NULL }
};
//#define SHOW_HEAP_USE
#ifdef SHOW_HEAP_USE
static ETSTimer prHeapTimer;
static void ICACHE_FLASH_ATTR prHeapTimerCb(void *arg) {
os_printf("Heap: %ld\n", (unsigned long)system_get_free_heap_size());
}
#endif
void user_rf_pre_init(void) {
}
// address of espfs binary blob
extern uint32_t _binary_espfs_img_start;
static char *rst_codes[] = {
"normal", "wdt reset", "exception", "soft wdt", "restart", "deep sleep", "external",
};
# define VERS_STR_STR(V) #V
# define VERS_STR(V) VERS_STR_STR(V)
char* esp_link_version = VERS_STR(VERSION);
//Main routine. Initialize stdout, the I/O, filesystem and the webserver and we're done.
void user_init(void) {
// get the flash config so we know how to init things
//configWipe(); // uncomment to reset the config for testing purposes
bool restoreOk = configRestore();
// init gpio pin registers
gpio_init();
// init UART
uart_init(flashConfig.baud_rate, 115200);
logInit(); // must come after init of uart
// say hello (leave some time to cause break in TX after boot loader's msg
os_delay_us(10000L);
os_printf("\n\n** %s\n", esp_link_version);
os_printf("Flash config restore %s\n", restoreOk ? "ok" : "*FAILED*");
// Status LEDs
statusInit();
serledInit();
// Wifi
wifiInit();
// init the flash filesystem with the html stuff
espFsInit(&_binary_espfs_img_start);
//EspFsInitResult res = espFsInit(&_binary_espfs_img_start);
//os_printf("espFsInit %s\n", res?"ERR":"ok");
// mount the http handlers
httpdInit(builtInUrls, 80);
// init the wifi-serial transparent bridge (port 23)
serbridgeInit(23);
uart_add_recv_cb(&serbridgeUartCb);
#ifdef SHOW_HEAP_USE
os_timer_disarm(&prHeapTimer);
os_timer_setfn(&prHeapTimer, prHeapTimerCb, NULL);
os_timer_arm(&prHeapTimer, 10000, 1);
#endif
struct rst_info *rst_info = system_get_rst_info();
os_printf("Reset cause: %d=%s\n", rst_info->reason, rst_codes[rst_info->reason]);
os_printf("exccause=%d epc1=0x%x epc2=0x%x epc3=0x%x excvaddr=0x%x depc=0x%x\n",
rst_info->exccause, rst_info->epc1, rst_info->epc2, rst_info->epc3,
rst_info->excvaddr, rst_info->depc);
os_printf("Flash map %d, chip %08X\n", system_get_flash_size_map(), spi_flash_get_id());
os_printf("** esp-link ready\n");
// call user_main init
init();
}

0
user/status.c → esp-link/status.c
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0
user/status.h → esp-link/status.h
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11
httpd/httpdespfs.c
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@ -12,12 +12,7 @@ Connector to let httpd use the espfs filesystem to serve the files in it.
* Modified and enhanced by Thorsten von Eicken in 2015 * Modified and enhanced by Thorsten von Eicken in 2015
* ---------------------------------------------------------------------------- * ----------------------------------------------------------------------------
*/ */
#include <esp8266.h>
#include "httpdespfs.h" #include "httpdespfs.h"
#include "espfs.h"
#include "espfsformat.h"
#include "cgi.h"
// The static files marked with FLAG_GZIP are compressed and will be served with GZIP compression. // The static files marked with FLAG_GZIP are compressed and will be served with GZIP compression.
// If the client does not advertise that he accepts GZIP send following warning message (telnet users for e.g.) // If the client does not advertise that he accepts GZIP send following warning message (telnet users for e.g.)
@ -27,7 +22,8 @@ static const char *gzipNonSupportedMessage = "HTTP/1.0 501 Not implemented\r\nSe
//This is a catch-all cgi function. It takes the url passed to it, looks up the corresponding //This is a catch-all cgi function. It takes the url passed to it, looks up the corresponding
//path in the filesystem and if it exists, passes the file through. This simulates what a normal //path in the filesystem and if it exists, passes the file through. This simulates what a normal
//webserver would do with static files. //webserver would do with static files.
int ICACHE_FLASH_ATTR cgiEspFsHook(HttpdConnData *connData) { int ICACHE_FLASH_ATTR
cgiEspFsHook(HttpdConnData *connData) {
EspFsFile *file=connData->cgiData; EspFsFile *file=connData->cgiData;
int len; int len;
char buff[1024]; char buff[1024];
@ -93,7 +89,8 @@ int ICACHE_FLASH_ATTR cgiEspFsHook(HttpdConnData *connData) {
#if 0 #if 0
//cgiEspFsHtml is a simple HTML file that gets prefixed by head.tpl //cgiEspFsHtml is a simple HTML file that gets prefixed by head.tpl
int ICACHE_FLASH_ATTR cgiEspFsHtml(HttpdConnData *connData) { int ICACHE_FLASH_ATTR
cgiEspFsHtml(HttpdConnData *connData) {
EspFsFile *file = connData->cgiData; EspFsFile *file = connData->cgiData;
char buff[2048]; char buff[2048];

6
httpd/httpdespfs.h
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@ -1,10 +1,14 @@
#ifndef HTTPDESPFS_H #ifndef HTTPDESPFS_H
#define HTTPDESPFS_H #define HTTPDESPFS_H
#include <esp8266.h>
#include "espfs.h"
#include "espfsformat.h"
#include "cgi.h"
#include "httpd.h" #include "httpd.h"
int cgiEspFsHook(HttpdConnData *connData); int cgiEspFsHook(HttpdConnData *connData);
int ICACHE_FLASH_ATTR cgiEspFsTemplate(HttpdConnData *connData); //int cgiEspFsTemplate(HttpdConnData *connData);
//int ICACHE_FLASH_ATTR cgiEspFsHtml(HttpdConnData *connData); //int ICACHE_FLASH_ATTR cgiEspFsHtml(HttpdConnData *connData);
#endif #endif

5
include/esp8266.h
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@ -1,5 +1,5 @@
// Combined include file for esp8266 // Combined include file for esp8266
#include <user_config.h>
#include <ctype.h> #include <ctype.h>
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
@ -16,6 +16,9 @@
#include "espmissingincludes.h" #include "espmissingincludes.h"
#include "uart_hw.h" #include "uart_hw.h"
extern char* esp_link_version;
void ICACHE_FLASH_ATTR init(void);
#ifdef __WIN32__ #ifdef __WIN32__
#include <_mingw.h> #include <_mingw.h>

19
include/user_config.h
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@ -1 +1,20 @@
#ifndef _USER_CONFIG_H_
#define _USER_CONFIG_H_
#define MQTT_RECONNECT_TIMEOUT 5 // seconds
#define MQTT_BUF_SIZE 1024
#define MQTT_HOST "10.0.0.220" // "mqtt.yourdomain.com" or ip "10.0.0.1"
#define MQTT_PORT 1883
#define MQTT_SECURITY 0
#define MQTT_CLIENT_ID "esp-link" // ""
#define MQTT_USER ""
#define MQTT_PASS ""
#define MQTT_KEEPALIVE 120 // seconds
#define MQTT_CLSESSION true
#define PROTOCOL_NAMEv31 // MQTT version 3.1 compatible with Mosquitto v0.15
//PROTOCOL_NAMEv311 // MQTT version 3.11 compatible with https://eclipse.org/paho/clients/testing/
#endif

635
mqtt/mqtt.c
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@ -0,0 +1,635 @@
/* mqtt.c
* Protocol: http://docs.oasis-open.org/mqtt/mqtt/v3.1.1/os/mqtt-v3.1.1-os.html
*
* Copyright (c) 2014-2015, Tuan PM <tuanpm at live dot com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Redis nor the names of its contributors may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "mqtt.h"
#define MQTT_TASK_PRIO 0
#define MQTT_TASK_QUEUE_SIZE 1
#define MQTT_SEND_TIMOUT 5
#ifndef QUEUE_BUFFER_SIZE
#define QUEUE_BUFFER_SIZE 2048
#endif
unsigned char* default_certificate;
unsigned int default_certificate_len = 0;
unsigned char* default_private_key;
unsigned int default_private_key_len = 0;
os_event_t mqtt_procTaskQueue[MQTT_TASK_QUEUE_SIZE];
LOCAL void ICACHE_FLASH_ATTR
mqtt_dns_found(const char* name, ip_addr_t* ipaddr, void* arg) {
struct espconn* pConn = (struct espconn *)arg;
MQTT_Client* client = (MQTT_Client *)pConn->reverse;
if (ipaddr == NULL) {
os_printf("DNS: Found, but got no ip, try to reconnect\n");
client->connState = TCP_RECONNECT_REQ;
return;
}
os_printf("DNS: found ip %d.%d.%d.%d\n",
*((uint8 *)&ipaddr->addr),
*((uint8 *)&ipaddr->addr + 1),
*((uint8 *)&ipaddr->addr + 2),
*((uint8 *)&ipaddr->addr + 3));
if (client->ip.addr == 0 && ipaddr->addr != 0) {
os_memcpy(client->pCon->proto.tcp->remote_ip, &ipaddr->addr, 4);
#ifdef CLIENT_SSL_ENABLE
if (client->security){
espconn_secure_connect(client->pCon);
}
else
#endif
espconn_connect(client->pCon);
client->connState = TCP_CONNECTING;
os_printf("MQTT-TCP: connecting...\n");
}
system_os_post(MQTT_TASK_PRIO, 0, (os_param_t)client);
}
LOCAL void ICACHE_FLASH_ATTR
deliver_publish(MQTT_Client* client, uint8_t* message, uint16_t length) {
mqtt_event_data_t event_data;
event_data.topic_length = length;
event_data.topic = mqtt_get_publish_topic(message, &event_data.topic_length);
event_data.data_length = length;
event_data.data = mqtt_get_publish_data(message, &event_data.data_length);
if (client->dataCb)
client->dataCb((uint32_t*)client, event_data.topic, event_data.topic_length, event_data.data, event_data.data_length);
if (client->cmdDataCb)
client->cmdDataCb((uint32_t*)client, event_data.topic, event_data.topic_length, event_data.data, event_data.data_length);
}
/**
* @brief Client received callback function.
* @param arg: contain the ip link information
* @param pdata: received data
* @param len: the lenght of received data
* @retval None
*/
void ICACHE_FLASH_ATTR
mqtt_tcpclient_recv(void* arg, char* pdata, unsigned short len) {
uint8_t msg_type;
uint8_t msg_qos;
uint16_t msg_id;
struct espconn* pCon = (struct espconn*)arg;
MQTT_Client* client = (MQTT_Client *)pCon->reverse;
READPACKET:
os_printf("MQTT-TCP: Data received %d bytes\n", len);
if (len < MQTT_BUF_SIZE && len > 0) {
os_memcpy(client->mqtt_state.in_buffer, pdata, len);
msg_type = mqtt_get_type(client->mqtt_state.in_buffer);
msg_qos = mqtt_get_qos(client->mqtt_state.in_buffer);
msg_id = mqtt_get_id(client->mqtt_state.in_buffer, client->mqtt_state.in_buffer_length);
if (client->connState == MQTT_CONNECT_SENDING) {
if (msg_type == MQTT_MSG_TYPE_CONNACK) {
if (client->mqtt_state.pending_msg_type != MQTT_MSG_TYPE_CONNECT) {
os_printf("MQTT: Invalid packet\n");
#ifdef CLIENT_SSL_ENABLE
if (client->security){
espconn_secure_disconnect(client->pCon);
}
else
#endif
espconn_disconnect(client->pCon);
}
else {
os_printf("MQTT: Connected to %s:%ld\n", client->host, client->port);
client->connState = MQTT_DATA;
if (client->connectedCb)
client->connectedCb((uint32_t*)client);
if (client->cmdConnectedCb)
client->cmdConnectedCb((uint32_t*)client);
}
}
}
else if (client->connState == MQTT_DATA) {
client->mqtt_state.message_length_read = len;
client->mqtt_state.message_length = mqtt_get_total_length(client->mqtt_state.in_buffer, client->mqtt_state.message_length_read);
if (msg_type == MQTT_MSG_TYPE_SUBACK) {
if (client->mqtt_state.pending_msg_type == MQTT_MSG_TYPE_SUBSCRIBE && client->mqtt_state.pending_msg_id == msg_id)
os_printf("MQTT: Subscribe successful\n");
}
else if (msg_type == MQTT_MSG_TYPE_UNSUBACK) {
if (client->mqtt_state.pending_msg_type == MQTT_MSG_TYPE_UNSUBSCRIBE && client->mqtt_state.pending_msg_id == msg_id)
os_printf("MQTT: UnSubscribe successful\n");
}
else if (msg_type == MQTT_MSG_TYPE_PUBLISH) {
if (msg_qos == 1)
client->mqtt_state.outbound_message = mqtt_msg_puback(&client->mqtt_state.mqtt_connection, msg_id);
else if (msg_qos == 2)
client->mqtt_state.outbound_message = mqtt_msg_pubrec(&client->mqtt_state.mqtt_connection, msg_id);
if (msg_qos == 1 || msg_qos == 2) {
os_printf("MQTT: Queue response QoS: %d\n", msg_qos);
if (QUEUE_Puts(&client->msgQueue, client->mqtt_state.outbound_message->data, client->mqtt_state.outbound_message->length) == -1) {
os_printf("MQTT: Queue full\n");
}
}
deliver_publish(client, client->mqtt_state.in_buffer, client->mqtt_state.message_length_read);
}
else if (msg_type == MQTT_MSG_TYPE_PUBACK) {
if (client->mqtt_state.pending_msg_type == MQTT_MSG_TYPE_PUBLISH && client->mqtt_state.pending_msg_id == msg_id) {
os_printf("MQTT: received MQTT_MSG_TYPE_PUBACK, finish QoS1 publish\n");
}
}
else if (msg_type == MQTT_MSG_TYPE_PUBREC) {
client->mqtt_state.outbound_message = mqtt_msg_pubrel(&client->mqtt_state.mqtt_connection, msg_id);
if (QUEUE_Puts(&client->msgQueue, client->mqtt_state.outbound_message->data, client->mqtt_state.outbound_message->length) == -1) {
os_printf("MQTT: Queue full\n");
}
}
else if (msg_type == MQTT_MSG_TYPE_PUBREL) {
client->mqtt_state.outbound_message = mqtt_msg_pubcomp(&client->mqtt_state.mqtt_connection, msg_id);
if (QUEUE_Puts(&client->msgQueue, client->mqtt_state.outbound_message->data, client->mqtt_state.outbound_message->length) == -1) {
os_printf("MQTT: Queue full\n");
}
}
else if (msg_type == MQTT_MSG_TYPE_PUBCOMP) {
if (client->mqtt_state.pending_msg_type == MQTT_MSG_TYPE_PUBLISH && client->mqtt_state.pending_msg_id == msg_id) {
os_printf("MQTT: receive MQTT_MSG_TYPE_PUBCOMP, finish QoS2 publish\n");
}
}
else if (msg_type == MQTT_MSG_TYPE_PINGREQ) {
client->mqtt_state.outbound_message = mqtt_msg_pingresp(&client->mqtt_state.mqtt_connection);
if (QUEUE_Puts(&client->msgQueue, client->mqtt_state.outbound_message->data, client->mqtt_state.outbound_message->length) == -1) {
os_printf("MQTT: Queue full\n");
}
}
// NOTE: this is done down here and not in the switch case above
// because the PSOCK_READBUF_LEN() won't work inside a switch
// statement due to the way protothreads resume.
if (msg_type == MQTT_MSG_TYPE_PUBLISH) {
len = client->mqtt_state.message_length_read;
if (client->mqtt_state.message_length < client->mqtt_state.message_length_read) {
//client->connState = MQTT_PUBLISH_RECV;
//Not Implement yet
len -= client->mqtt_state.message_length;
pdata += client->mqtt_state.message_length;
os_printf("Get another published message\n");
goto READPACKET;
}
}
}
}
else {
os_printf("ERROR: Message too long\n");
}
system_os_post(MQTT_TASK_PRIO, 0, (os_param_t)client);
}
/**
* @brief Client send over callback function.
* @param arg: contain the ip link information
* @retval None
*/
void ICACHE_FLASH_ATTR
mqtt_tcpclient_sent_cb(void* arg) {
struct espconn* pCon = (struct espconn *)arg;
MQTT_Client* client = (MQTT_Client *)pCon->reverse;
os_printf("MQTT-TCP: Sent\n");
client->sendTimeout = 0;
if (client->connState == MQTT_DATA && client->mqtt_state.pending_msg_type == MQTT_MSG_TYPE_PUBLISH) {
if (client->publishedCb)
client->publishedCb((uint32_t*)client);
if (client->cmdPublishedCb)
client->cmdPublishedCb((uint32_t*)client);
}
system_os_post(MQTT_TASK_PRIO, 0, (os_param_t)client);
}
void ICACHE_FLASH_ATTR
mqtt_timer(void* arg) {
MQTT_Client* client = (MQTT_Client*)arg;
if (client->connState == MQTT_DATA) {
client->keepAliveTick++;
if (client->keepAliveTick > client->mqtt_state.connect_info->keepalive) {
os_printf("\nMQTT: Send keepalive packet to %s:%ld!\n", client->host, client->port);
client->mqtt_state.outbound_message = mqtt_msg_pingreq(&client->mqtt_state.mqtt_connection);
client->mqtt_state.pending_msg_type = MQTT_MSG_TYPE_PINGREQ;
client->mqtt_state.pending_msg_type = mqtt_get_type(client->mqtt_state.outbound_message->data);
client->mqtt_state.pending_msg_id = mqtt_get_id(client->mqtt_state.outbound_message->data, client->mqtt_state.outbound_message->length);
client->sendTimeout = MQTT_SEND_TIMOUT;
os_printf("MQTT: Sending, type: %d, id: %04X\n", client->mqtt_state.pending_msg_type, client->mqtt_state.pending_msg_id);
#ifdef CLIENT_SSL_ENABLE
if (client->security){
espconn_secure_sent(client->pCon, client->mqtt_state.outbound_message->data, client->mqtt_state.outbound_message->length);
}
else
#endif
espconn_sent(client->pCon, client->mqtt_state.outbound_message->data, client->mqtt_state.outbound_message->length);
client->mqtt_state.outbound_message = NULL;
client->keepAliveTick = 0;
system_os_post(MQTT_TASK_PRIO, 0, (os_param_t)client);
}
}
else if (client->connState == TCP_RECONNECT_REQ) {
client->reconnectTick++;
if (client->reconnectTick > MQTT_RECONNECT_TIMEOUT) {
client->reconnectTick = 0;
client->connState = TCP_RECONNECT;
if (client->tcpDisconnectedCb)
client->tcpDisconnectedCb((uint32_t*)client);
if (client->cmdTcpDisconnectedCb)
client->cmdTcpDisconnectedCb((uint32_t*)client);
system_os_post(MQTT_TASK_PRIO, 0, (os_param_t)client);
}
}
if (client->sendTimeout > 0)
client->sendTimeout--;
}
void ICACHE_FLASH_ATTR
mqtt_tcpclient_discon_cb(void* arg) {
struct espconn* pespconn = (struct espconn *)arg;
MQTT_Client* client = (MQTT_Client *)pespconn->reverse;
os_printf("MQTT-TCP: Disconnected callback\n");
client->connState = TCP_RECONNECT_REQ;
if (client->disconnectedCb)
client->disconnectedCb((uint32_t*)client);
if (client->cmdDisconnectedCb)
client->cmdDisconnectedCb((uint32_t*)client);
system_os_post(MQTT_TASK_PRIO, 0, (os_param_t)client);
}
/**
* @brief Tcp client connect success callback function.
* @param arg: contain the ip link information
* @retval None
*/
void ICACHE_FLASH_ATTR
mqtt_tcpclient_connect_cb(void* arg) {
struct espconn* pCon = (struct espconn *)arg;
MQTT_Client* client = (MQTT_Client *)pCon->reverse;
espconn_regist_disconcb(client->pCon, mqtt_tcpclient_discon_cb);
espconn_regist_recvcb(client->pCon, mqtt_tcpclient_recv);////////
espconn_regist_sentcb(client->pCon, mqtt_tcpclient_sent_cb);///////
os_printf("MQTT: Connected to broker %s:%ld\n", client->host, client->port);
mqtt_msg_init(&client->mqtt_state.mqtt_connection, client->mqtt_state.out_buffer, client->mqtt_state.out_buffer_length);
client->mqtt_state.outbound_message = mqtt_msg_connect(&client->mqtt_state.mqtt_connection, client->mqtt_state.connect_info);
client->mqtt_state.pending_msg_type = mqtt_get_type(client->mqtt_state.outbound_message->data);
client->mqtt_state.pending_msg_id = mqtt_get_id(client->mqtt_state.outbound_message->data, client->mqtt_state.outbound_message->length);
client->sendTimeout = MQTT_SEND_TIMOUT;
os_printf("MQTT: Sending, type: %d, id: %04X\n", client->mqtt_state.pending_msg_type, client->mqtt_state.pending_msg_id);
#ifdef CLIENT_SSL_ENABLE
if (client->security){
espconn_secure_sent(client->pCon, client->mqtt_state.outbound_message->data, client->mqtt_state.outbound_message->length);
}
else
#endif
espconn_sent(client->pCon, client->mqtt_state.outbound_message->data, client->mqtt_state.outbound_message->length);
client->mqtt_state.outbound_message = NULL;
client->connState = MQTT_CONNECT_SENDING;
system_os_post(MQTT_TASK_PRIO, 0, (os_param_t)client);
}
/**
* @brief Tcp client connect repeat callback function.
* @param arg: contain the ip link information
* @retval None
*/
void ICACHE_FLASH_ATTR
mqtt_tcpclient_recon_cb(void* arg, int8_t errType) {
struct espconn* pCon = (struct espconn *)arg;
MQTT_Client* client = (MQTT_Client *)pCon->reverse;
os_printf("MQTT-TCP: Reconnect to %s:%ld\n", client->host, client->port);
client->connState = TCP_RECONNECT_REQ;
system_os_post(MQTT_TASK_PRIO, 0, (os_param_t)client);
}
/**
* @brief MQTT publish function.
* @param client: MQTT_Client reference
* @param topic: string topic will publish to
* @param data: buffer data send point to
* @param data_length: length of data
* @param qos: qos
* @param retain: retain
* @retval TRUE if success queue
*/
bool ICACHE_FLASH_ATTR
MQTT_Publish(MQTT_Client* client, const char* topic, const char* data, uint8_t qos, uint8_t retain) {
int data_length = os_strlen(data);
uint8_t dataBuffer[MQTT_BUF_SIZE];
uint16_t dataLen;
client->mqtt_state.outbound_message = mqtt_msg_publish(&client->mqtt_state.mqtt_connection,
topic, data, data_length,
qos, retain,
&client->mqtt_state.pending_msg_id);
if (client->mqtt_state.outbound_message->length == 0) {
os_printf("MQTT: Queuing Publish failed\n");
return FALSE;
}
os_printf("MQTT: Queuing Publish, length: %d, queue size(%ld/%ld)\n", client->mqtt_state.outbound_message->length, client->msgQueue.rb.fill_cnt, client->msgQueue.rb.size);
while (QUEUE_Puts(&client->msgQueue, client->mqtt_state.outbound_message->data, client->mqtt_state.outbound_message->length) == -1) {
os_printf("MQTT: Queue full\n");
if (QUEUE_Gets(&client->msgQueue, dataBuffer, &dataLen, MQTT_BUF_SIZE) == -1) {
os_printf("MQTT: Serious buffer error\n");
return FALSE;
}
}
system_os_post(MQTT_TASK_PRIO, 0, (os_param_t)client);
return TRUE;
}
/**
* @brief MQTT subscibe function.
* @param client: MQTT_Client reference
* @param topic: string topic will subscribe
* @param qos: qos
* @retval TRUE if success queue
*/
bool ICACHE_FLASH_ATTR
MQTT_Subscribe(MQTT_Client* client, char* topic, uint8_t qos) {
uint8_t dataBuffer[MQTT_BUF_SIZE];
uint16_t dataLen;
client->mqtt_state.outbound_message = mqtt_msg_subscribe(&client->mqtt_state.mqtt_connection,
topic, 0,
&client->mqtt_state.pending_msg_id);
os_printf("MQTT: Queue Subscribe, topic: \"%s\", id: %d\n", topic, client->mqtt_state.pending_msg_id);
while (QUEUE_Puts(&client->msgQueue, client->mqtt_state.outbound_message->data, client->mqtt_state.outbound_message->length) == -1) {
os_printf("MQTT: Queue full\n");
if (QUEUE_Gets(&client->msgQueue, dataBuffer, &dataLen, MQTT_BUF_SIZE) == -1) {
os_printf("MQTT: Serious buffer error\n");
return FALSE;
}
}
system_os_post(MQTT_TASK_PRIO, 0, (os_param_t)client);
return TRUE;
}
void ICACHE_FLASH_ATTR
MQTT_Task(os_event_t* e) {
MQTT_Client* client = (MQTT_Client*)e->par;
uint8_t dataBuffer[MQTT_BUF_SIZE];
uint16_t dataLen;
if (e->par == 0)
return;
if (client->connState == TCP_RECONNECT_REQ) {
return;
}
else if (client->connState == TCP_RECONNECT) {
MQTT_Connect(client);
os_printf("MQTT-TCP: Reconnect to: %s:%ld\n", client->host, client->port);
client->connState = TCP_CONNECTING;
}
else if (client->connState == MQTT_DATA) {
if (QUEUE_IsEmpty(&client->msgQueue) || client->sendTimeout != 0)
return;
if (QUEUE_Gets(&client->msgQueue, dataBuffer, &dataLen, MQTT_BUF_SIZE) == 0) {
client->mqtt_state.pending_msg_type = mqtt_get_type(dataBuffer);
client->mqtt_state.pending_msg_id = mqtt_get_id(dataBuffer, dataLen);
client->sendTimeout = MQTT_SEND_TIMOUT;
os_printf("MQTT: Sending, type: %d, id: %04X\n", client->mqtt_state.pending_msg_type, client->mqtt_state.pending_msg_id);
#ifdef CLIENT_SSL_ENABLE
if (client->security){
espconn_secure_sent(client->pCon, dataBuffer, dataLen);
}
else
#endif
espconn_sent(client->pCon, dataBuffer, dataLen);
client->mqtt_state.outbound_message = NULL;
return;
}
return;
}
}
/**
* @brief MQTT initialization connection function
* @param client: MQTT_Client reference
* @param host: Domain or IP string
* @param port: Port to connect
* @param security: 1 for ssl, 0 for none
* @retval None
*/
void ICACHE_FLASH_ATTR
MQTT_InitConnection(MQTT_Client* mqttClient, char* host, uint32 port, uint8_t security) {
os_printf("MQTT_InitConnection\n");
uint8_t len = sizeof(MQTT_Client);
os_memset(mqttClient, 0, len);
uint32_t temp = os_strlen(host);
mqttClient->host = (char*)os_zalloc(temp + 1);
os_strcpy(mqttClient->host, host);
mqttClient->host[temp] = 0;
mqttClient->port = port;
mqttClient->security = security;
}
/**
* @brief MQTT initialization mqtt client function
* @param client: MQTT_Client reference
* @param clientid: MQTT client id
* @param client_user:MQTT client user
* @param client_pass:MQTT client password
* @param client_pass:MQTT keep alive timer, in second
* @retval None
*/
void ICACHE_FLASH_ATTR
MQTT_InitClient(MQTT_Client* mqttClient, char* client_id, char* client_user, char* client_pass, uint8_t keepAliveTime, uint8_t cleanSession) {
uint32_t temp;
os_printf("MQTT_InitClient\n");
os_memset(&mqttClient->connect_info, 0, sizeof(mqtt_connect_info_t));
temp = os_strlen(client_id);
mqttClient->connect_info.client_id = (char*)os_zalloc(temp + 1);
os_strcpy(mqttClient->connect_info.client_id, client_id);
mqttClient->connect_info.client_id[temp] = 0;
temp = os_strlen(client_user);
mqttClient->connect_info.username = (char*)os_zalloc(temp + 1);
os_strcpy(mqttClient->connect_info.username, client_user);
mqttClient->connect_info.username[temp] = 0;
temp = os_strlen(client_pass);
mqttClient->connect_info.password = (char*)os_zalloc(temp + 1);
os_strcpy(mqttClient->connect_info.password, client_pass);
mqttClient->connect_info.password[temp] = 0;
mqttClient->connect_info.keepalive = keepAliveTime;
mqttClient->connect_info.clean_session = cleanSession;
mqttClient->mqtt_state.in_buffer = (uint8_t *)os_zalloc(MQTT_BUF_SIZE);
mqttClient->mqtt_state.in_buffer_length = MQTT_BUF_SIZE;
mqttClient->mqtt_state.out_buffer = (uint8_t *)os_zalloc(MQTT_BUF_SIZE);
mqttClient->mqtt_state.out_buffer_length = MQTT_BUF_SIZE;
mqttClient->mqtt_state.connect_info = &mqttClient->connect_info;
mqtt_msg_init(&mqttClient->mqtt_state.mqtt_connection, mqttClient->mqtt_state.out_buffer, mqttClient->mqtt_state.out_buffer_length);
QUEUE_Init(&mqttClient->msgQueue, QUEUE_BUFFER_SIZE);
system_os_task(MQTT_Task, MQTT_TASK_PRIO, mqtt_procTaskQueue, MQTT_TASK_QUEUE_SIZE);
system_os_post(MQTT_TASK_PRIO, 0, (os_param_t)mqttClient);
}
void ICACHE_FLASH_ATTR
MQTT_InitLWT(MQTT_Client* mqttClient, char* will_topic, char* will_msg, uint8_t will_qos, uint8_t will_retain) {
uint32_t temp;
temp = os_strlen((char*)will_topic);
mqttClient->connect_info.will_topic = (char*)os_zalloc(temp + 1);
os_strcpy((char*)mqttClient->connect_info.will_topic, (char*)will_topic);
mqttClient->connect_info.will_topic[temp] = 0;
temp = os_strlen((char*)will_msg);
mqttClient->connect_info.will_message = (char*)os_zalloc(temp + 1);
os_strcpy((char*)mqttClient->connect_info.will_message, (char*)will_msg);
mqttClient->connect_info.will_message[temp] = 0;
mqttClient->connect_info.will_qos = will_qos;
mqttClient->connect_info.will_retain = will_retain;
}
/**
* @brief Begin connect to MQTT broker
* @param client: MQTT_Client reference
* @retval None
*/
void ICACHE_FLASH_ATTR
MQTT_Connect(MQTT_Client* mqttClient) {
MQTT_Disconnect(mqttClient);
mqttClient->pCon = (struct espconn *)os_zalloc(sizeof(struct espconn));
mqttClient->pCon->type = ESPCONN_TCP;
mqttClient->pCon->state = ESPCONN_NONE;
mqttClient->pCon->proto.tcp = (esp_tcp *)os_zalloc(sizeof(esp_tcp));
mqttClient->pCon->proto.tcp->local_port = espconn_port();
mqttClient->pCon->proto.tcp->remote_port = mqttClient->port;
mqttClient->pCon->reverse = mqttClient;
espconn_regist_connectcb(mqttClient->pCon, mqtt_tcpclient_connect_cb);
espconn_regist_reconcb(mqttClient->pCon, mqtt_tcpclient_recon_cb);
mqttClient->keepAliveTick = 0;
mqttClient->reconnectTick = 0;
os_timer_disarm(&mqttClient->mqttTimer);
os_timer_setfn(&mqttClient->mqttTimer, (os_timer_func_t *)mqtt_timer, mqttClient);
os_timer_arm(&mqttClient->mqttTimer, 1000, 1);
if (UTILS_StrToIP((const char *)mqttClient->host, (void*)&mqttClient->pCon->proto.tcp->remote_ip)) {
os_printf("MQTT-TCP: Connect to ip %s:%ld\n", mqttClient->host, mqttClient->port);
#ifdef CLIENT_SSL_ENABLE
if (mqttClient->security){
espconn_secure_connect(mqttClient->pCon);
}
else
#endif
espconn_connect(mqttClient->pCon);
}
else {
os_printf("MQTT-TCP: Connect to domain %s:%ld\n", mqttClient->host, mqttClient->port);
espconn_gethostbyname(mqttClient->pCon, (const char *)mqttClient->host, &mqttClient->ip, mqtt_dns_found);
}
mqttClient->connState = TCP_CONNECTING;
}
void ICACHE_FLASH_ATTR
MQTT_Disconnect(MQTT_Client* mqttClient) {
if (mqttClient->pCon) {
os_printf("Free memory\n");
if (mqttClient->pCon->proto.tcp)
os_free(mqttClient->pCon->proto.tcp);
os_free(mqttClient->pCon);
mqttClient->pCon = NULL;
}
os_timer_disarm(&mqttClient->mqttTimer);
}
void ICACHE_FLASH_ATTR
MQTT_OnConnected(MQTT_Client* mqttClient, MqttCallback connectedCb) {
mqttClient->connectedCb = connectedCb;
}
void ICACHE_FLASH_ATTR
MQTT_OnDisconnected(MQTT_Client* mqttClient, MqttCallback disconnectedCb) {
mqttClient->disconnectedCb = disconnectedCb;
}
void ICACHE_FLASH_ATTR
MQTT_OnTcpDisconnected(MQTT_Client *mqttClient, MqttCallback tcpDisconnectedCb)
{
mqttClient->tcpDisconnectedCb = tcpDisconnectedCb;
}
void ICACHE_FLASH_ATTR
MQTT_OnData(MQTT_Client* mqttClient, MqttDataCallback dataCb) {
mqttClient->dataCb = dataCb;
}
void ICACHE_FLASH_ATTR
MQTT_OnPublished(MQTT_Client* mqttClient, MqttCallback publishedCb) {
mqttClient->publishedCb = publishedCb;
}

144
mqtt/mqtt.h
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/* mqtt.h
*
* Copyright (c) 2014-2015, Tuan PM <tuanpm at live dot com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Redis nor the names of its contributors may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef USER_AT_MQTT_H_
#define USER_AT_MQTT_H_
#include <esp8266.h>
#include "mqtt_msg.h"
#include "queue.h"
#include <rest.h>
typedef struct mqtt_event_data_t {
uint8_t type;
const char* topic;
const char* data;
uint16_t topic_length;
uint16_t data_length;
uint16_t data_offset;
} mqtt_event_data_t;
typedef struct mqtt_state_t {
uint16_t port;
int auto_reconnect;
mqtt_connect_info_t* connect_info;
uint8_t* in_buffer;
uint8_t* out_buffer;
int in_buffer_length;
int out_buffer_length;
uint16_t message_length;
uint16_t message_length_read;
mqtt_message_t* outbound_message;
mqtt_connection_t mqtt_connection;
uint16_t pending_msg_id;
int pending_msg_type;
int pending_publish_qos;
} mqtt_state_t;
typedef enum {
WIFI_INIT,
WIFI_CONNECTING,
WIFI_CONNECTING_ERROR,
WIFI_CONNECTED,
DNS_RESOLVE,
TCP_DISCONNECTED,
TCP_RECONNECT_REQ,
TCP_RECONNECT,
TCP_CONNECTING,
TCP_CONNECTING_ERROR,
TCP_CONNECTED,
MQTT_CONNECT_SEND,
MQTT_CONNECT_SENDING,
MQTT_SUBSCIBE_SEND,
MQTT_SUBSCIBE_SENDING,
MQTT_DATA,
MQTT_PUBLISH_RECV,
MQTT_PUBLISHING
} tConnState;
typedef void (*MqttCallback)(uint32_t* args);
typedef void (*MqttDataCallback)(uint32_t* args, const char* topic, uint32_t topic_len, const char* data, uint32_t lengh);
typedef struct {
struct espconn* pCon;
uint8_t security;
char* host;
uint32_t port;
ip_addr_t ip;
mqtt_state_t mqtt_state;
mqtt_connect_info_t connect_info;
MqttCallback connectedCb;
MqttCallback cmdConnectedCb;
MqttCallback disconnectedCb;
MqttCallback cmdDisconnectedCb;
MqttCallback tcpDisconnectedCb;
MqttCallback cmdTcpDisconnectedCb;
MqttCallback publishedCb;
MqttCallback cmdPublishedCb;
MqttDataCallback dataCb;
MqttDataCallback cmdDataCb;
ETSTimer mqttTimer;
uint32_t keepAliveTick;
uint32_t reconnectTick;
uint32_t sendTimeout;
tConnState connState;
QUEUE msgQueue;
void* user_data;
} MQTT_Client;
#define SEC_NONSSL 0
#define SEC_SSL 1
#define MQTT_FLAG_CONNECTED 1
#define MQTT_FLAG_READY 2
#define MQTT_FLAG_EXIT 4
#define MQTT_EVENT_TYPE_NONE 0
#define MQTT_EVENT_TYPE_CONNECTED 1
#define MQTT_EVENT_TYPE_DISCONNECTED 2
#define MQTT_EVENT_TYPE_SUBSCRIBED 3
#define MQTT_EVENT_TYPE_UNSUBSCRIBED 4
#define MQTT_EVENT_TYPE_PUBLISH 5
#define MQTT_EVENT_TYPE_PUBLISHED 6
#define MQTT_EVENT_TYPE_EXITED 7
#define MQTT_EVENT_TYPE_PUBLISH_CONTINUATION 8
void MQTT_InitConnection(MQTT_Client* mqttClient, char* host, uint32 port, uint8_t security);
void MQTT_InitClient(MQTT_Client* mqttClient, char* client_id, char* client_user, char* client_pass, uint8_t keepAliveTime, uint8_t cleanSession);
void MQTT_InitLWT(MQTT_Client* mqttClient, char* will_topic, char* will_msg, uint8_t will_qos, uint8_t will_retain);
void MQTT_OnConnected(MQTT_Client* mqttClient, MqttCallback connectedCb);
void MQTT_OnDisconnected(MQTT_Client* mqttClient, MqttCallback disconnectedCb);
void MQTT_OnPublished(MQTT_Client* mqttClient, MqttCallback publishedCb);
void MQTT_OnData(MQTT_Client* mqttClient, MqttDataCallback dataCb);
bool MQTT_Subscribe(MQTT_Client* client, char* topic, uint8_t qos);
void MQTT_Connect(MQTT_Client* mqttClient);
void MQTT_Disconnect(MQTT_Client* mqttClient);
bool MQTT_Publish(MQTT_Client* client, const char* topic, const char* data, uint8_t qos, uint8_t retain);
#endif /* USER_AT_MQTT_H_ */

451
mqtt/mqtt_msg.c
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/*
* Copyright (c) 2014, Stephen Robinson
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
#include "mqtt_msg.h"
#define MQTT_MAX_FIXED_HEADER_SIZE 3
enum mqtt_connect_flag {
MQTT_CONNECT_FLAG_USERNAME = 1 << 7,
MQTT_CONNECT_FLAG_PASSWORD = 1 << 6,
MQTT_CONNECT_FLAG_WILL_RETAIN = 1 << 5,
MQTT_CONNECT_FLAG_WILL = 1 << 2,
MQTT_CONNECT_FLAG_CLEAN_SESSION = 1 << 1
};
struct
__attribute__((__packed__)) mqtt_connect_variable_header {
uint8_t lengthMsb;
uint8_t lengthLsb;
#if defined(PROTOCOL_NAMEv31)
uint8_t magic[6];
#elif defined(PROTOCOL_NAMEv311)
uint8_t magic[4];
#else
#error "Please define protocol name"
#endif
uint8_t version;
uint8_t flags;
uint8_t keepaliveMsb;
uint8_t keepaliveLsb;
};
static int ICACHE_FLASH_ATTR
append_string(mqtt_connection_t* connection, const char* string, int len) {
if (connection->message.length + len + 2 > connection->buffer_length)
return -1;
connection->buffer[connection->message.length++] = len >> 8;
connection->buffer[connection->message.length++] = len & 0xff;
memcpy(connection->buffer + connection->message.length, string, len);
connection->message.length += len;
return len + 2;
}
static uint16_t ICACHE_FLASH_ATTR
append_message_id(mqtt_connection_t* connection, uint16_t message_id) {
// If message_id is zero then we should assign one, otherwise
// we'll use the one supplied by the caller
while (message_id == 0)
message_id = ++connection->message_id;
if (connection->message.length + 2 > connection->buffer_length)
return 0;
connection->buffer[connection->message.length++] = message_id >> 8;
connection->buffer[connection->message.length++] = message_id & 0xff;
return message_id;
}
static int ICACHE_FLASH_ATTR
init_message(mqtt_connection_t* connection) {
connection->message.length = MQTT_MAX_FIXED_HEADER_SIZE;
return MQTT_MAX_FIXED_HEADER_SIZE;
}
static mqtt_message_t* ICACHE_FLASH_ATTR
fail_message(mqtt_connection_t* connection) {
connection->message.data = connection->buffer;
connection->message.length = 0;
return &connection->message;
}
static mqtt_message_t* ICACHE_FLASH_ATTR
fini_message(mqtt_connection_t* connection, int type, int dup, int qos, int retain) {
int remaining_length = connection->message.length - MQTT_MAX_FIXED_HEADER_SIZE;
if (remaining_length > 127) {
connection->buffer[0] = ((type & 0x0f) << 4) | ((dup & 1) << 3) | ((qos & 3) << 1) | (retain & 1);
connection->buffer[1] = 0x80 | (remaining_length % 128);
connection->buffer[2] = remaining_length / 128;
connection->message.length = remaining_length + 3;
connection->message.data = connection->buffer;
}
else {
connection->buffer[1] = ((type & 0x0f) << 4) | ((dup & 1) << 3) | ((qos & 3) << 1) | (retain & 1);
connection->buffer[2] = remaining_length;
connection->message.length = remaining_length + 2;
connection->message.data = connection->buffer + 1;
}
return &connection->message;
}
void ICACHE_FLASH_ATTR
mqtt_msg_init(mqtt_connection_t* connection, uint8_t* buffer, uint16_t buffer_length) {
uint8_t len = sizeof(connection);
memset(connection, '\0', len);
connection->buffer = buffer;
connection->buffer_length = buffer_length;
}
int ICACHE_FLASH_ATTR
mqtt_get_total_length(uint8_t* buffer, uint16_t length) {
int i;
int totlen = 0;
for (i = 1; i < length; ++i) {
totlen += (buffer[i] & 0x7f) << (7 * (i - 1));
if ((buffer[i] & 0x80) == 0) {
++i;
break;
}
}
totlen += i;
return totlen;
}
const char* ICACHE_FLASH_ATTR
mqtt_get_publish_topic(uint8_t* buffer, uint16_t* length) {
int i;
int totlen = 0;
int topiclen;
for (i = 1; i < *length; ++i) {
totlen += (buffer[i] & 0x7f) << (7 * (i - 1));
if ((buffer[i] & 0x80) == 0) {
++i;
break;
}
}
totlen += i;
if (i + 2 >= *length)
return NULL;
topiclen = buffer[i++] << 8;
topiclen |= buffer[i++];
if (i + topiclen > *length)
return NULL;
*length = topiclen;
return (const char*)(buffer + i);
}
const char* ICACHE_FLASH_ATTR
mqtt_get_publish_data(uint8_t* buffer, uint16_t* length) {
int i;
int totlen = 0;
int topiclen;
for (i = 1; i < *length; ++i) {
totlen += (buffer[i] & 0x7f) << (7 * (i - 1));
if ((buffer[i] & 0x80) == 0) {
++i;
break;
}
}
totlen += i;
if (i + 2 >= *length)
return NULL;
topiclen = buffer[i++] << 8;
topiclen |= buffer[i++];
if (i + topiclen >= *length) {
*length = 0;
return NULL;
}
i += topiclen;
if (mqtt_get_qos(buffer) > 0) {
if (i + 2 >= *length)
return NULL;
i += 2;
}
if (totlen < i)
return NULL;
if (totlen <= *length)
*length = totlen - i;
else
*length = *length - i;
return (const char*)(buffer + i);
}
uint16_t ICACHE_FLASH_ATTR
mqtt_get_id(uint8_t* buffer, uint16_t length) {
if (length < 1)
return 0;
switch (mqtt_get_type(buffer)) {
case MQTT_MSG_TYPE_PUBLISH: {
int i;
int topiclen;
for (i = 1; i < length; ++i) {
if ((buffer[i] & 0x80) == 0) {
++i;
break;
}
}
if (i + 2 >= length)
return 0;
topiclen = buffer[i++] << 8;
topiclen |= buffer[i++];
if (i + topiclen >= length)
return 0;
i += topiclen;
if (mqtt_get_qos(buffer) > 0) {
if (i + 2 >= length)
return 0;
//i += 2;
}
else {
return 0;
}
return (buffer[i] << 8) | buffer[i + 1];
}
case MQTT_MSG_TYPE_PUBACK:
case MQTT_MSG_TYPE_PUBREC:
case MQTT_MSG_TYPE_PUBREL:
case MQTT_MSG_TYPE_PUBCOMP:
case MQTT_MSG_TYPE_SUBACK:
case MQTT_MSG_TYPE_UNSUBACK:
case MQTT_MSG_TYPE_SUBSCRIBE: {
// This requires the remaining length to be encoded in 1 byte,
// which it should be.
if (length >= 4 && (buffer[1] & 0x80) == 0)
return (buffer[2] << 8) | buffer[3];
else
return 0;
}
default:
return 0;
}
}
mqtt_message_t* ICACHE_FLASH_ATTR
mqtt_msg_connect(mqtt_connection_t* connection, mqtt_connect_info_t* info) {
struct mqtt_connect_variable_header* variable_header;
init_message(connection);
if (connection->message.length + sizeof(*variable_header) > connection->buffer_length)
return fail_message(connection);
variable_header = (void*)(connection->buffer + connection->message.length);
connection->message.length += sizeof(*variable_header);
variable_header->lengthMsb = 0;
#if defined(PROTOCOL_NAMEv31)
variable_header->lengthLsb = 6;
memcpy(variable_header->magic, "MQIsdp", 6);
variable_header->version = 3;
#elif defined(PROTOCOL_NAMEv311)
variable_header->lengthLsb = 4;
memcpy(variable_header->magic, "MQTT", 4);
variable_header->version = 4;
#else
#error "Please define protocol name"
#endif
variable_header->flags = 0;
variable_header->keepaliveMsb = info->keepalive >> 8;
variable_header->keepaliveLsb = info->keepalive & 0xff;
if (info->clean_session)
variable_header->flags |= MQTT_CONNECT_FLAG_CLEAN_SESSION;
if (info->client_id != NULL && info->client_id[0] != '\0') {
if (append_string(connection, info->client_id, strlen(info->client_id)) < 0)
return fail_message(connection);
}
else
return fail_message(connection);
if (info->will_topic != NULL && info->will_topic[0] != '\0') {
if (append_string(connection, info->will_topic, strlen(info->will_topic)) < 0)
return fail_message(connection);
if (append_string(connection, info->will_message, strlen(info->will_message)) < 0)
return fail_message(connection);
variable_header->flags |= MQTT_CONNECT_FLAG_WILL;
if (info->will_retain)
variable_header->flags |= MQTT_CONNECT_FLAG_WILL_RETAIN;
variable_header->flags |= (info->will_qos & 3) << 3;
}
if (info->username != NULL && info->username[0] != '\0') {
if (append_string(connection, info->username, strlen(info->username)) < 0)
return fail_message(connection);
variable_header->flags |= MQTT_CONNECT_FLAG_USERNAME;
}
if (info->password != NULL && info->password[0] != '\0') {
if (append_string(connection, info->password, strlen(info->password)) < 0)
return fail_message(connection);
variable_header->flags |= MQTT_CONNECT_FLAG_PASSWORD;
}
return fini_message(connection, MQTT_MSG_TYPE_CONNECT, 0, 0, 0);
}
mqtt_message_t* ICACHE_FLASH_ATTR
mqtt_msg_publish(mqtt_connection_t* connection, const char* topic, const char* data, int data_length, int qos, int retain, uint16_t* message_id) {
init_message(connection);
if (topic == NULL || topic[0] == '\0')
return fail_message(connection);
if (append_string(connection, topic, strlen(topic)) < 0)
return fail_message(connection);
if (qos > 0) {
if ((*message_id = append_message_id(connection, 0)) == 0)
return fail_message(connection);
}
else
*message_id = 0;
if (connection->message.length + data_length > connection->buffer_length)
return fail_message(connection);
memcpy(connection->buffer + connection->message.length, data, data_length);
connection->message.length += data_length;
return fini_message(connection, MQTT_MSG_TYPE_PUBLISH, 0, qos, retain);
}
mqtt_message_t* ICACHE_FLASH_ATTR
mqtt_msg_puback(mqtt_connection_t* connection, uint16_t message_id) {
init_message(connection);
if (append_message_id(connection, message_id) == 0)
return fail_message(connection);
return fini_message(connection, MQTT_MSG_TYPE_PUBACK, 0, 0, 0);
}
mqtt_message_t* ICACHE_FLASH_ATTR
mqtt_msg_pubrec(mqtt_connection_t* connection, uint16_t message_id) {
init_message(connection);
if (append_message_id(connection, message_id) == 0)
return fail_message(connection);
return fini_message(connection, MQTT_MSG_TYPE_PUBREC, 0, 0, 0);
}
mqtt_message_t* ICACHE_FLASH_ATTR
mqtt_msg_pubrel(mqtt_connection_t* connection, uint16_t message_id) {
init_message(connection);
if (append_message_id(connection, message_id) == 0)
return fail_message(connection);
return fini_message(connection, MQTT_MSG_TYPE_PUBREL, 0, 1, 0);
}
mqtt_message_t* ICACHE_FLASH_ATTR
mqtt_msg_pubcomp(mqtt_connection_t* connection, uint16_t message_id) {
init_message(connection);
if (append_message_id(connection, message_id) == 0)
return fail_message(connection);
return fini_message(connection, MQTT_MSG_TYPE_PUBCOMP, 0, 0, 0);
}
mqtt_message_t* ICACHE_FLASH_ATTR
mqtt_msg_subscribe(mqtt_connection_t* connection, const char* topic, int qos, uint16_t* message_id) {
init_message(connection);
if (topic == NULL || topic[0] == '\0')
return fail_message(connection);
if ((*message_id = append_message_id(connection, 0)) == 0)
return fail_message(connection);
if (append_string(connection, topic, strlen(topic)) < 0)
return fail_message(connection);
if (connection->message.length + 1 > connection->buffer_length)
return fail_message(connection);
connection->buffer[connection->message.length++] = qos;
return fini_message(connection, MQTT_MSG_TYPE_SUBSCRIBE, 0, 1, 0);
}
mqtt_message_t* ICACHE_FLASH_ATTR
mqtt_msg_unsubscribe(mqtt_connection_t* connection, const char* topic, uint16_t* message_id) {
init_message(connection);
if (topic == NULL || topic[0] == '\0')
return fail_message(connection);
if ((*message_id = append_message_id(connection, 0)) == 0)
return fail_message(connection);
if (append_string(connection, topic, strlen(topic)) < 0)
return fail_message(connection);
return fini_message(connection, MQTT_MSG_TYPE_UNSUBSCRIBE, 0, 1, 0);
}
mqtt_message_t* ICACHE_FLASH_ATTR
mqtt_msg_pingreq(mqtt_connection_t* connection) {
init_message(connection);
return fini_message(connection, MQTT_MSG_TYPE_PINGREQ, 0, 0, 0);
}
mqtt_message_t* ICACHE_FLASH_ATTR
mqtt_msg_pingresp(mqtt_connection_t* connection) {
init_message(connection);
return fini_message(connection, MQTT_MSG_TYPE_PINGRESP, 0, 0, 0);
}
mqtt_message_t* ICACHE_FLASH_ATTR
mqtt_msg_disconnect(mqtt_connection_t* connection) {
init_message(connection);
return fini_message(connection, MQTT_MSG_TYPE_DISCONNECT, 0, 0, 0);
}

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mqtt/mqtt_msg.h
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/*
* Copyright (c) 2014, Stephen Robinson
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef MQTT_MSG_H
#define MQTT_MSG_H
#include <esp8266.h>
enum mqtt_message_type {
MQTT_MSG_TYPE_CONNECT = 1,
MQTT_MSG_TYPE_CONNACK = 2,
MQTT_MSG_TYPE_PUBLISH = 3,
MQTT_MSG_TYPE_PUBACK = 4,
MQTT_MSG_TYPE_PUBREC = 5,
MQTT_MSG_TYPE_PUBREL = 6,
MQTT_MSG_TYPE_PUBCOMP = 7,
MQTT_MSG_TYPE_SUBSCRIBE = 8,
MQTT_MSG_TYPE_SUBACK = 9,
MQTT_MSG_TYPE_UNSUBSCRIBE = 10,
MQTT_MSG_TYPE_UNSUBACK = 11,
MQTT_MSG_TYPE_PINGREQ = 12,
MQTT_MSG_TYPE_PINGRESP = 13,
MQTT_MSG_TYPE_DISCONNECT = 14
};
typedef struct mqtt_message {
uint8_t* data;
uint16_t length;
} mqtt_message_t;
typedef struct mqtt_connection {
mqtt_message_t message;
uint16_t message_id;
uint8_t* buffer;
uint16_t buffer_length;
} mqtt_connection_t;
typedef struct mqtt_connect_info {
char* client_id;
char* username;
char* password;
char* will_topic;
char* will_message;
uint32_t keepalive;
uint8_t will_qos;
uint8_t will_retain;
uint8_t clean_session;
} mqtt_connect_info_t;
static inline int ICACHE_FLASH_ATTR mqtt_get_type(uint8_t* buffer) {
return (buffer[0] & 0xf0) >> 4;
}
static inline int ICACHE_FLASH_ATTR mqtt_get_dup(uint8_t* buffer) {
return (buffer[0] & 0x08) >> 3;
}
static inline int ICACHE_FLASH_ATTR mqtt_get_qos(uint8_t* buffer) {
return (buffer[0] & 0x06) >> 1;
}
static inline int ICACHE_FLASH_ATTR mqtt_get_retain(uint8_t* buffer) {
return (buffer[0] & 0x01);
}
void mqtt_msg_init(mqtt_connection_t* connection, uint8_t* buffer, uint16_t buffer_length);
int mqtt_get_total_length(uint8_t* buffer, uint16_t length);
const char* mqtt_get_publish_topic(uint8_t* buffer, uint16_t* length);
const char* mqtt_get_publish_data(uint8_t* buffer, uint16_t* length);
uint16_t mqtt_get_id(uint8_t* buffer, uint16_t length);
mqtt_message_t* mqtt_msg_connect(mqtt_connection_t* connection, mqtt_connect_info_t* info);
mqtt_message_t* mqtt_msg_publish(mqtt_connection_t* connection, const char* topic, const char* data, int data_length, int qos, int retain, uint16_t* message_id);
mqtt_message_t* mqtt_msg_puback(mqtt_connection_t* connection, uint16_t message_id);
mqtt_message_t* mqtt_msg_pubrec(mqtt_connection_t* connection, uint16_t message_id);
mqtt_message_t* mqtt_msg_pubrel(mqtt_connection_t* connection, uint16_t message_id);
mqtt_message_t* mqtt_msg_pubcomp(mqtt_connection_t* connection, uint16_t message_id);
mqtt_message_t* mqtt_msg_subscribe(mqtt_connection_t* connection, const char* topic, int qos, uint16_t* message_id);
mqtt_message_t* mqtt_msg_unsubscribe(mqtt_connection_t* connection, const char* topic, uint16_t* message_id);
mqtt_message_t* mqtt_msg_pingreq(mqtt_connection_t* connection);
mqtt_message_t* mqtt_msg_pingresp(mqtt_connection_t* connection);
mqtt_message_t* mqtt_msg_disconnect(mqtt_connection_t* connection);
#endif // MQTT_MSG_H

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mqtt/proto.c
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#include "proto.h"
int8_t ICACHE_FLASH_ATTR
PROTO_Init(PROTO_PARSER* parser, PROTO_PARSE_CALLBACK* completeCallback, uint8_t* buf, uint16_t bufSize) {
parser->buf = buf;
parser->bufSize = bufSize;
parser->dataLen = 0;
parser->callback = completeCallback;
parser->isEsc = 0;
return 0;
}
int8_t ICACHE_FLASH_ATTR
PROTO_ParseByte(PROTO_PARSER* parser, uint8_t value) {
switch (value) {
case 0x7D:
parser->isEsc = 1;
break;
case 0x7E:
parser->dataLen = 0;
parser->isEsc = 0;
parser->isBegin = 1;
break;
case 0x7F:
if (parser->callback != NULL)
parser->callback();
parser->isBegin = 0;
return 0;
break;
default:
if (parser->isBegin == 0) break;
if (parser->isEsc) {
value ^= 0x20;
parser->isEsc = 0;
}
if (parser->dataLen < parser->bufSize)
parser->buf[parser->dataLen++] = value;
break;
}
return -1;
}
int16_t ICACHE_FLASH_ATTR
PROTO_ParseRb(RINGBUF* rb, uint8_t* bufOut, uint16_t* len, uint16_t maxBufLen) {
uint8_t c;
PROTO_PARSER proto;
PROTO_Init(&proto, NULL, bufOut, maxBufLen);
while (RINGBUF_Get(rb, &c) == 0) {
if (PROTO_ParseByte(&proto, c) == 0) {
*len = proto.dataLen;
return 0;
}
}
return -1;
}
int16_t ICACHE_FLASH_ATTR
PROTO_AddRb(RINGBUF* rb, const uint8_t* packet, int16_t len) {
uint16_t i = 2;
if (RINGBUF_Put(rb, 0x7E) == -1) return -1;
while (len--) {
switch (*packet) {
case 0x7D:
case 0x7E:
case 0x7F:
if (RINGBUF_Put(rb, 0x7D) == -1) return -1;
if (RINGBUF_Put(rb, *packet++ ^ 0x20) == -1) return -1;
i += 2;
break;
default:
if (RINGBUF_Put(rb, *packet++) == -1) return -1;
i++;
break;
}
}
if (RINGBUF_Put(rb, 0x7F) == -1) return -1;
return i;
}

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mqtt/proto.h
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#ifndef _PROTO_H_
#define _PROTO_H_
#include <esp8266.h>
#include "ringbuf.h"
typedef void (PROTO_PARSE_CALLBACK)();
typedef struct {
uint8_t* buf;
uint16_t bufSize;
uint16_t dataLen;
uint8_t isEsc;
uint8_t isBegin;
PROTO_PARSE_CALLBACK* callback;
} PROTO_PARSER;
int8_t PROTO_Init(PROTO_PARSER* parser, PROTO_PARSE_CALLBACK* completeCallback, uint8_t* buf, uint16_t bufSize);
int16_t PROTO_AddRb(RINGBUF* rb, const uint8_t* packet, int16_t len);
int8_t PROTO_ParseByte(PROTO_PARSER* parser, uint8_t value);
int16_t PROTO_ParseRb(RINGBUF* rb, uint8_t* bufOut, uint16_t* len, uint16_t maxBufLen);
#endif

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mqtt/queue.c
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/* str_queue.c
*
* Copyright (c) 2014-2015, Tuan PM <tuanpm at live dot com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Redis nor the names of its contributors may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "queue.h"
void ICACHE_FLASH_ATTR
QUEUE_Init(QUEUE* queue, int bufferSize) {
queue->buf = (uint8_t*)os_zalloc(bufferSize);
RINGBUF_Init(&queue->rb, queue->buf, bufferSize);
}
int32_t ICACHE_FLASH_ATTR
QUEUE_Puts(QUEUE* queue, uint8_t* buffer, uint16_t len) {
return PROTO_AddRb(&queue->rb, buffer, len);
}
int32_t ICACHE_FLASH_ATTR
QUEUE_Gets(QUEUE* queue, uint8_t* buffer, uint16_t* len, uint16_t maxLen) {
return PROTO_ParseRb(&queue->rb, buffer, len, maxLen);
}
bool ICACHE_FLASH_ATTR
QUEUE_IsEmpty(QUEUE* queue) {
if (queue->rb.fill_cnt <= 0)
return TRUE;
return FALSE;
}

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mqtt/queue.h
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/* str_queue.h --
*
* Copyright (c) 2014-2015, Tuan PM <tuanpm at live dot com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Redis nor the names of its contributors may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef USER_QUEUE_H_
#define USER_QUEUE_H_
#include <esp8266.h>
#include "proto.h"
#include "ringbuf.h"
typedef struct {
uint8_t* buf;
RINGBUF rb;
} QUEUE;
void QUEUE_Init(QUEUE* queue, int bufferSize);
int32_t QUEUE_Puts(QUEUE* queue, uint8_t* buffer, uint16_t len);
int32_t QUEUE_Gets(QUEUE* queue, uint8_t* buffer, uint16_t* len, uint16_t maxLen);
bool QUEUE_IsEmpty(QUEUE* queue);
#endif /* USER_QUEUE_H_ */

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mqtt/ringbuf.c
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#include "ringbuf.h"
/**
* \brief init a RINGBUF object
* \param r pointer to a RINGBUF object
* \param buf pointer to a byte array
* \param size size of buf
* \return 0 if successfull, otherwise failed
*/
int16_t ICACHE_FLASH_ATTR
RINGBUF_Init(RINGBUF* r, uint8_t* buf, int32_t size) {
if (r == NULL || buf == NULL || size < 2) return -1;
r->p_o = r->p_r = r->p_w = buf;
r->fill_cnt = 0;
r->size = size;
return 0;
}
/**
* \brief put a character into ring buffer
* \param r pointer to a ringbuf object
* \param c character to be put
* \return 0 if successfull, otherwise failed
*/
int16_t ICACHE_FLASH_ATTR
RINGBUF_Put(RINGBUF* r, uint8_t c) {
if (r->fill_cnt >= r->size)return -1; // ring buffer is full, this should be atomic operation
r->fill_cnt++; // increase filled slots count, this should be atomic operation
*r->p_w++ = c; // put character into buffer
if (r->p_w >= r->p_o + r->size) // rollback if write pointer go pass
r->p_w = r->p_o; // the physical boundary
return 0;
}
/**
* \brief get a character from ring buffer
* \param r pointer to a ringbuf object
* \param c read character
* \return 0 if successfull, otherwise failed
*/
int16_t ICACHE_FLASH_ATTR
RINGBUF_Get(RINGBUF* r, uint8_t* c) {
if (r->fill_cnt <= 0)return -1; // ring buffer is empty, this should be atomic operation
r->fill_cnt--; // decrease filled slots count
*c = *r->p_r++; // get the character out
if (r->p_r >= r->p_o + r->size) // rollback if write pointer go pass
r->p_r = r->p_o; // the physical boundary
return 0;
}

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mqtt/ringbuf.h
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#ifndef _RING_BUF_H_
#define _RING_BUF_H_
#include <esp8266.h>
typedef struct {
uint8_t* p_o; /**< Original pointer */
uint8_t* volatile p_r; /**< Read pointer */
uint8_t* volatile p_w; /**< Write pointer */
volatile int32_t fill_cnt; /**< Number of filled slots */
int32_t size; /**< Buffer size */
} RINGBUF;
int16_t RINGBUF_Init(RINGBUF* r, uint8_t* buf, int32_t size);
int16_t RINGBUF_Put(RINGBUF* r, uint8_t c);
int16_t RINGBUF_Get(RINGBUF* r, uint8_t* c);
#endif

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user/user_main.c
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/*
* ----------------------------------------------------------------------------
* "THE BEER-WARE LICENSE" (Revision 42):
* Jeroen Domburg <jeroen@spritesmods.com> wrote this file. As long as you retain
* this notice you can do whatever you want with this stuff. If we meet some day,
* and you think this stuff is worth it, you can buy me a beer in return.
* ----------------------------------------------------------------------------
* Heavily modified and enhanced by Thorsten von Eicken in 2015
* ----------------------------------------------------------------------------
*/
#include <esp8266.h> #include <esp8266.h>
#include "httpd.h" #include <mqtt.h>
#include "httpdespfs.h" #include <cgiwifi.h>
#include "cgi.h"
#include "cgiwifi.h"
#include "cgipins.h"
#include "cgitcp.h"
#include "cgiflash.h"
#include "auth.h"
#include "espfs.h"
#include "uart.h"
#include "serbridge.h"
#include "status.h"
#include "serled.h"
#include "console.h"
#include "config.h"
#include "log.h"
#include <gpio.h>
//#define SHOW_HEAP_USE MQTT_Client mqttClient;
//Function that tells the authentication system what users/passwords live on the system. void ICACHE_FLASH_ATTR
//This is disabled in the default build; if you want to try it, enable the authBasic line in mqttConnectedCb(uint32_t *args) {
//the builtInUrls below. MQTT_Client* client = (MQTT_Client*)args;
int myPassFn(HttpdConnData *connData, int no, char *user, int userLen, char *pass, int passLen) { MQTT_Publish(client, "announce/all", "Hello World!", 0, 0);
if (no==0) {
os_strcpy(user, "admin");
os_strcpy(pass, "s3cr3t");
return 1;
//Add more users this way. Check against incrementing no for each user added.
// } else if (no==1) {
// os_strcpy(user, "user1");
// os_strcpy(pass, "something");
// return 1;
}
return 0;
} }
void ICACHE_FLASH_ATTR
mqttDisconnectedCb(uint32_t *args) {
// MQTT_Client* client = (MQTT_Client*)args;
os_printf("MQTT Disconnected\n");
}
/* void ICACHE_FLASH_ATTR
This is the main url->function dispatching data struct. mqttTcpDisconnectedCb(uint32_t *args) {
In short, it's a struct with various URLs plus their handlers. The handlers can // MQTT_Client* client = (MQTT_Client*)args;
be 'standard' CGI functions you wrote, or 'special' CGIs requiring an argument. os_printf("MQTT TCP Disconnected\n");
They can also be auth-functions. An asterisk will match any url starting with }
everything before the asterisks; "*" matches everything. The list will be
handled top-down, so make sure to put more specific rules above the more
general ones. Authorization things (like authBasic) act as a 'barrier' and
should be placed above the URLs they protect.
*/
HttpdBuiltInUrl builtInUrls[]={
{"/", cgiRedirect, "/home.html"},
{"/menu", cgiMenu, NULL},
{"/flash/next", cgiGetFirmwareNext, NULL},
{"/flash/upload", cgiUploadFirmware, NULL},
{"/flash/reboot", cgiRebootFirmware, NULL},
//{"/home.html", cgiEspFsHtml, NULL},
//{"/log.html", cgiEspFsHtml, NULL},
{"/log/text", ajaxLog, NULL},
{"/log/dbg", ajaxLogDbg, NULL},
//{"/console.html", cgiEspFsHtml, NULL},
{"/console/reset", ajaxConsoleReset, NULL},
{"/console/baud", ajaxConsoleBaud, NULL},
{"/console/text", ajaxConsole, NULL},
//Routines to make the /wifi URL and everything beneath it work.
//Enable the line below to protect the WiFi configuration with an username/password combo.
// {"/wifi/*", authBasic, myPassFn},
{"/wifi", cgiRedirect, "/wifi/wifi.html"}, void ICACHE_FLASH_ATTR
{"/wifi/", cgiRedirect, "/wifi/wifi.html"}, mqttPublishedCb(uint32_t *args) {
//{"/wifi/wifi.html", cgiEspFsHtml, NULL}, // MQTT_Client* client = (MQTT_Client*)args;
{"/wifi/info", cgiWifiInfo, NULL}, os_printf("MQTT Published\n");
{"/wifi/scan", cgiWiFiScan, NULL}, }
{"/wifi/connect", cgiWiFiConnect, NULL},
{"/wifi/connstatus", cgiWiFiConnStatus, NULL},
{"/wifi/setmode", cgiWiFiSetMode, NULL},
{"/wifi/special", cgiWiFiSpecial, NULL},
{"/pins", cgiPins, NULL},
{"/tcpclient", cgiTcp, NULL},
{"*", cgiEspFsHook, NULL}, //Catch-all cgi function for the filesystem void ICACHE_FLASH_ATTR
{NULL, NULL, NULL} mqttDataCb(uint32_t *args, const char* topic, uint32_t topic_len, const char *data, uint32_t data_len) {
}; char *topicBuf = (char*)os_zalloc(topic_len + 1);
char *dataBuf = (char*)os_zalloc(data_len + 1);
// MQTT_Client* client = (MQTT_Client*)args;
//#define SHOW_HEAP_USE os_memcpy(topicBuf, topic, topic_len);
topicBuf[topic_len] = 0;
#ifdef SHOW_HEAP_USE os_memcpy(dataBuf, data, data_len);
static ETSTimer prHeapTimer; dataBuf[data_len] = 0;
static void ICACHE_FLASH_ATTR prHeapTimerCb(void *arg) { os_printf("Receive topic: %s, data: %s\n", topicBuf, dataBuf);
os_printf("Heap: %ld\n", (unsigned long)system_get_free_heap_size()); os_free(topicBuf);
os_free(dataBuf);
} }
#endif
void user_rf_pre_init(void) { void ICACHE_FLASH_ATTR
wifiStateChangeCb(uint8_t status)
{
if (status == wifiGotIP && mqttClient.connState != TCP_CONNECTING){
MQTT_Connect(&mqttClient);
}
else if (status == wifiIsDisconnected && mqttClient.connState == TCP_CONNECTING){
MQTT_Disconnect(&mqttClient);
}
} }
// address of espfs binary blob void init() {
extern uint32_t _binary_espfs_img_start; wifiAddStateChangeCb(wifiStateChangeCb);
MQTT_InitConnection(&mqttClient, MQTT_HOST, MQTT_PORT, MQTT_SECURITY);
static char *rst_codes[] = { MQTT_InitClient(&mqttClient, MQTT_CLIENT_ID, MQTT_USER, MQTT_PASS, MQTT_KEEPALIVE, MQTT_CLSESSION);
"normal", "wdt reset", "exception", "soft wdt", "restart", "deep sleep", "external", MQTT_InitLWT(&mqttClient, "/lwt", "offline", 0, 0);
}; MQTT_OnConnected(&mqttClient, mqttConnectedCb);
MQTT_OnDisconnected(&mqttClient, mqttDisconnectedCb);
# define VERS_STR_STR(V) #V MQTT_OnDisconnected(&mqttClient, mqttTcpDisconnectedCb);
# define VERS_STR(V) VERS_STR_STR(V) MQTT_OnPublished(&mqttClient, mqttPublishedCb);
char *esp_link_version = VERS_STR(VERSION); MQTT_OnData(&mqttClient, mqttDataCb);
//Main routine. Initialize stdout, the I/O, filesystem and the webserver and we're done.
void user_init(void) {
// get the flash config so we know how to init things
//configWipe(); // uncomment to reset the config for testing purposes
bool restoreOk = configRestore();
// init gpio pin registers
gpio_init();
// init UART
uart_init(flashConfig.baud_rate, 115200);
logInit(); // must come after init of uart
// say hello (leave some time to cause break in TX after boot loader's msg
os_delay_us(10000L);
os_printf("\n\n** %s\n", esp_link_version);
os_printf("Flash config restore %s\n", restoreOk ? "ok" : "*FAILED*");
// Status LEDs
statusInit();
serledInit();
// Wifi
wifiInit();
// init the flash filesystem with the html stuff
espFsInit(&_binary_espfs_img_start);
//EspFsInitResult res = espFsInit(&_binary_espfs_img_start);
//os_printf("espFsInit %s\n", res?"ERR":"ok");
// mount the http handlers
httpdInit(builtInUrls, 80);
// init the wifi-serial transparent bridge (port 23)
serbridgeInit(23);
uart_add_recv_cb(&serbridgeUartCb);
#ifdef SHOW_HEAP_USE
os_timer_disarm(&prHeapTimer);
os_timer_setfn(&prHeapTimer, prHeapTimerCb, NULL);
os_timer_arm(&prHeapTimer, 10000, 1);
#endif
struct rst_info *rst_info = system_get_rst_info();
os_printf("Reset cause: %d=%s\n", rst_info->reason, rst_codes[rst_info->reason]);
os_printf("exccause=%d epc1=0x%x epc2=0x%x epc3=0x%x excvaddr=0x%x depc=0x%x\n",
rst_info->exccause, rst_info->epc1, rst_info->epc2, rst_info->epc3,
rst_info->excvaddr, rst_info->depc);
os_printf("Flash map %d, chip %08X\n", system_get_flash_size_map(), spi_flash_get_id());
os_printf("** esp-link ready\n");
} }
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