mirror of https://github.com/jeelabs/esp-link.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
377 lines
8.5 KiB
377 lines
8.5 KiB
#include <stdint.h>
|
|
#include <unistd.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include "espfs.h"
|
|
#ifdef __MINGW32__
|
|
#include <mman.h>
|
|
#else
|
|
#include <sys/mman.h>
|
|
#endif
|
|
#ifdef __WIN32__
|
|
#include <winsock2.h>
|
|
#else
|
|
#include <arpa/inet.h>
|
|
#endif
|
|
#include <string.h>
|
|
#include "espfsformat.h"
|
|
|
|
//Heatshrink
|
|
#ifdef ESPFS_HEATSHRINK
|
|
#include "../heatshrink/heatshrink_common.h"
|
|
#include "../heatshrink/heatshrink_config.h"
|
|
#include "../heatshrink/heatshrink_encoder.h"
|
|
#endif
|
|
|
|
//Gzip
|
|
#ifdef ESPFS_GZIP
|
|
// If compiler complains about missing header, try running "sudo apt-get install zlib1g-dev"
|
|
// to install missing package.
|
|
#include <zlib.h>
|
|
#endif
|
|
|
|
|
|
//Routines to convert host format to the endianness used in the xtensa
|
|
short htoxs(short in) {
|
|
char r[2];
|
|
r[0]=in;
|
|
r[1]=in>>8;
|
|
return *((short *)r);
|
|
}
|
|
|
|
int htoxl(int in) {
|
|
unsigned char r[4];
|
|
r[0]=in;
|
|
r[1]=in>>8;
|
|
r[2]=in>>16;
|
|
r[3]=in>>24;
|
|
return *((int *)r);
|
|
}
|
|
|
|
#ifdef ESPFS_HEATSHRINK
|
|
size_t compressHeatshrink(char *in, int insize, char *out, int outsize, int level) {
|
|
char *inp=in;
|
|
char *outp=out;
|
|
size_t len;
|
|
int ws[]={5, 6, 8, 11, 13};
|
|
int ls[]={3, 3, 4, 4, 4};
|
|
HSE_poll_res pres;
|
|
HSE_sink_res sres;
|
|
size_t r;
|
|
if (level==-1) level=8;
|
|
level=(level-1)/2; //level is now 0, 1, 2, 3, 4
|
|
heatshrink_encoder *enc=heatshrink_encoder_alloc(ws[level], ls[level]);
|
|
if (enc==NULL) {
|
|
perror("allocating mem for heatshrink");
|
|
exit(1);
|
|
}
|
|
//Save encoder parms as first byte
|
|
*outp=(ws[level]<<4)|ls[level];
|
|
outp++; outsize--;
|
|
|
|
r=1;
|
|
do {
|
|
if (insize>0) {
|
|
sres=heatshrink_encoder_sink(enc, inp, insize, &len);
|
|
if (sres!=HSER_SINK_OK) break;
|
|
inp+=len; insize-=len;
|
|
if (insize==0) heatshrink_encoder_finish(enc);
|
|
}
|
|
do {
|
|
pres=heatshrink_encoder_poll(enc, outp, outsize, &len);
|
|
if (pres!=HSER_POLL_MORE && pres!=HSER_POLL_EMPTY) break;
|
|
outp+=len; outsize-=len;
|
|
r+=len;
|
|
} while (pres==HSER_POLL_MORE);
|
|
} while (insize!=0);
|
|
|
|
if (insize!=0) {
|
|
fprintf(stderr, "Heatshrink: Bug? insize is still %d. sres=%d pres=%d\n", insize, sres, pres);
|
|
exit(1);
|
|
}
|
|
|
|
heatshrink_encoder_free(enc);
|
|
return r;
|
|
}
|
|
#endif
|
|
|
|
#ifdef ESPFS_GZIP
|
|
size_t compressGzip(char *in, int insize, char *out, int outsize, int level) {
|
|
z_stream stream;
|
|
int zresult;
|
|
|
|
stream.zalloc = Z_NULL;
|
|
stream.zfree = Z_NULL;
|
|
stream.opaque = Z_NULL;
|
|
stream.next_in = in;
|
|
stream.avail_in = insize;
|
|
stream.next_out = out;
|
|
stream.avail_out = outsize;
|
|
// 31 -> 15 window bits + 16 for gzip
|
|
zresult = deflateInit2 (&stream, level, Z_DEFLATED, 31, 8, Z_DEFAULT_STRATEGY);
|
|
if (zresult != Z_OK) {
|
|
fprintf(stderr, "DeflateInit2 failed with code %d\n", zresult);
|
|
exit(1);
|
|
}
|
|
|
|
zresult = deflate(&stream, Z_FINISH);
|
|
if (zresult != Z_STREAM_END) {
|
|
fprintf(stderr, "Deflate failed with code %d\n", zresult);
|
|
exit(1);
|
|
}
|
|
|
|
zresult = deflateEnd(&stream);
|
|
if (zresult != Z_OK) {
|
|
fprintf(stderr, "DeflateEnd failed with code %d\n", zresult);
|
|
exit(1);
|
|
}
|
|
|
|
return stream.total_out;
|
|
}
|
|
|
|
char **gzipExtensions = NULL;
|
|
|
|
int shouldCompressGzip(char *name) {
|
|
char *ext = name + strlen(name);
|
|
while (*ext != '.') {
|
|
ext--;
|
|
if (ext < name) {
|
|
// no dot in file name -> no extension -> nothing to match against
|
|
return 0;
|
|
}
|
|
}
|
|
ext++;
|
|
|
|
int i = 0;
|
|
while (gzipExtensions[i] != NULL) {
|
|
if (strcmp(ext,gzipExtensions[i]) == 0) {
|
|
return 1;
|
|
}
|
|
i++;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int parseGzipExtensions(char *input) {
|
|
char *token;
|
|
char *extList = input;
|
|
int count = 2; // one for first element, second for terminator
|
|
|
|
// count elements
|
|
while (*extList != 0) {
|
|
if (*extList == ',') count++;
|
|
extList++;
|
|
}
|
|
|
|
// split string
|
|
extList = input;
|
|
gzipExtensions = malloc(count * sizeof(char*));
|
|
count = 0;
|
|
token = strtok(extList, ",");
|
|
while (token) {
|
|
gzipExtensions[count++] = token;
|
|
token = strtok(NULL, ",");
|
|
}
|
|
// terminate list
|
|
gzipExtensions[count] = NULL;
|
|
|
|
return 1;
|
|
}
|
|
#endif
|
|
|
|
int handleFile(int f, char *name, int compression, int level, char **compName) {
|
|
char *fdat, *cdat;
|
|
off_t size, csize;
|
|
EspFsHeader h;
|
|
int nameLen;
|
|
int8_t flags = 0;
|
|
size=lseek(f, 0, SEEK_END);
|
|
fdat=mmap(NULL, size, PROT_READ, MAP_SHARED, f, 0);
|
|
if (fdat==MAP_FAILED) {
|
|
perror("mmap");
|
|
return 0;
|
|
}
|
|
|
|
#ifdef ESPFS_GZIP
|
|
if (shouldCompressGzip(name)) {
|
|
csize = size*3;
|
|
if (csize<100) // gzip has some headers that do not fit when trying to compress small files
|
|
csize = 100; // enlarge buffer if this is the case
|
|
cdat=malloc(csize);
|
|
csize=compressGzip(fdat, size, cdat, csize, level);
|
|
compression = COMPRESS_NONE;
|
|
flags = FLAG_GZIP;
|
|
} else
|
|
#endif
|
|
if (compression==COMPRESS_NONE) {
|
|
csize=size;
|
|
cdat=fdat;
|
|
#ifdef ESPFS_HEATSHRINK
|
|
} else if (compression==COMPRESS_HEATSHRINK) {
|
|
cdat=malloc(size*2);
|
|
csize=compressHeatshrink(fdat, size, cdat, size*2, level);
|
|
#endif
|
|
} else {
|
|
fprintf(stderr, "Unknown compression - %d\n", compression);
|
|
exit(1);
|
|
}
|
|
|
|
if (csize>size) {
|
|
//Compressing enbiggened this file. Revert to uncompressed store.
|
|
compression=COMPRESS_NONE;
|
|
csize=size;
|
|
cdat=fdat;
|
|
flags=0;
|
|
}
|
|
|
|
//Fill header data
|
|
h.magic=('E'<<0)+('S'<<8)+('f'<<16)+('s'<<24);
|
|
h.flags=flags;
|
|
h.compression=compression;
|
|
h.nameLen=nameLen=strlen(name)+1;
|
|
if (h.nameLen&3) h.nameLen+=4-(h.nameLen&3); //Round to next 32bit boundary
|
|
h.nameLen=htoxs(h.nameLen);
|
|
h.fileLenComp=htoxl(csize);
|
|
h.fileLenDecomp=htoxl(size);
|
|
|
|
write(1, &h, sizeof(EspFsHeader));
|
|
write(1, name, nameLen);
|
|
while (nameLen&3) {
|
|
write(1, "\000", 1);
|
|
nameLen++;
|
|
}
|
|
write(1, cdat, csize);
|
|
//Pad out to 32bit boundary
|
|
while (csize&3) {
|
|
write(1, "\000", 1);
|
|
csize++;
|
|
}
|
|
munmap(fdat, size);
|
|
|
|
if (compName != NULL) {
|
|
if (h.compression==COMPRESS_HEATSHRINK) {
|
|
*compName = "heatshrink";
|
|
} else if (h.compression==COMPRESS_NONE) {
|
|
if (h.flags & FLAG_GZIP) {
|
|
*compName = "gzip";
|
|
} else {
|
|
*compName = "none";
|
|
}
|
|
} else {
|
|
*compName = "unknown";
|
|
}
|
|
}
|
|
return (csize*100)/size;
|
|
}
|
|
|
|
//Write final dummy header with FLAG_LASTFILE set.
|
|
void finishArchive() {
|
|
EspFsHeader h;
|
|
h.magic=('E'<<0)+('S'<<8)+('f'<<16)+('s'<<24);
|
|
h.flags=FLAG_LASTFILE;
|
|
h.compression=COMPRESS_NONE;
|
|
h.nameLen=htoxs(0);
|
|
h.fileLenComp=htoxl(0);
|
|
h.fileLenDecomp=htoxl(0);
|
|
write(1, &h, sizeof(EspFsHeader));
|
|
}
|
|
|
|
int main(int argc, char **argv) {
|
|
int f, x;
|
|
char fileName[1024];
|
|
char *realName;
|
|
struct stat statBuf;
|
|
int serr;
|
|
int rate;
|
|
int err=0;
|
|
int compType; //default compression type - heatshrink
|
|
int compLvl=-1;
|
|
|
|
#ifdef ESPFS_HEATSHRINK
|
|
compType = COMPRESS_HEATSHRINK;
|
|
#else
|
|
compType = COMPRESS_NONE;
|
|
#endif
|
|
|
|
for (x=1; x<argc; x++) {
|
|
if (strcmp(argv[x], "-c")==0 && argc>=x-2) {
|
|
compType=atoi(argv[x+1]);
|
|
x++;
|
|
} else if (strcmp(argv[x], "-l")==0 && argc>=x-2) {
|
|
compLvl=atoi(argv[x+1]);
|
|
if (compLvl<1 || compLvl>9) err=1;
|
|
x++;
|
|
#ifdef ESPFS_GZIP
|
|
} else if (strcmp(argv[x], "-g")==0 && argc>=x-2) {
|
|
if (!parseGzipExtensions(argv[x+1])) err=1;
|
|
x++;
|
|
#endif
|
|
} else {
|
|
err=1;
|
|
}
|
|
}
|
|
|
|
#ifdef ESPFS_GZIP
|
|
if (gzipExtensions == NULL) {
|
|
parseGzipExtensions(strdup("html,css,js"));
|
|
}
|
|
#endif
|
|
|
|
if (err) {
|
|
fprintf(stderr, "%s - Program to create espfs images\n", argv[0]);
|
|
fprintf(stderr, "Usage: \nfind | %s [-c compressor] [-l compression_level] ", argv[0]);
|
|
#ifdef ESPFS_GZIP
|
|
fprintf(stderr, "[-g gzipped_extensions] ");
|
|
#endif
|
|
fprintf(stderr, "> out.espfs\n");
|
|
fprintf(stderr, "Compressors:\n");
|
|
#ifdef ESPFS_HEATSHRINK
|
|
fprintf(stderr, "0 - None\n1 - Heatshrink(default)\n");
|
|
#else
|
|
fprintf(stderr, "0 - None(default)\n");
|
|
#endif
|
|
fprintf(stderr, "\nCompression level: 1 is worst but low RAM usage, higher is better compression \nbut uses more ram on decompression. -1 = compressors default.\n");
|
|
#ifdef ESPFS_GZIP
|
|
fprintf(stderr, "\nGzipped extensions: list of comma separated, case sensitive file extensions \nthat will be gzipped. Defaults to 'html,css,js'\n");
|
|
#endif
|
|
exit(0);
|
|
}
|
|
|
|
#ifdef __WIN32__
|
|
setmode(fileno(stdout), _O_BINARY);
|
|
#endif
|
|
|
|
while(fgets(fileName, sizeof(fileName), stdin)) {
|
|
//Kill off '\n' at the end
|
|
fileName[strlen(fileName)-1]=0;
|
|
//Only include files
|
|
serr=stat(fileName, &statBuf);
|
|
if ((serr==0) && S_ISREG(statBuf.st_mode)) {
|
|
//Strip off './' or '/' madness.
|
|
realName=fileName;
|
|
if (fileName[0]=='.') realName++;
|
|
if (realName[0]=='/') realName++;
|
|
f=open(fileName, O_RDONLY);
|
|
if (f>0) {
|
|
char *compName = "unknown";
|
|
rate=handleFile(f, realName, compType, compLvl, &compName);
|
|
fprintf(stderr, "%s (%d%%, %s)\n", realName, rate, compName);
|
|
close(f);
|
|
} else {
|
|
perror(fileName);
|
|
}
|
|
} else {
|
|
if (serr!=0) {
|
|
perror(fileName);
|
|
}
|
|
}
|
|
}
|
|
finishArchive();
|
|
return 0;
|
|
}
|
|
|
|
|