Add logging over the network to a syslog server

This has been tested successfully. FIXME: Don't hardcode IP address, use m_INetworkSyslogServerIPAddress instead

Thanks @rsta
https://github.com/rsta2/circle/tree/master/sample/33-syslog

src/config.cpp

@@ -209,6 +209,7 @@ void CConfig::Load (void)
 	m_INetworkSubnetMask = m_Properties.GetIPAddress("NetworkSubnetMask") != 0;
 	m_INetworkDefaultGateway = m_Properties.GetIPAddress("NetworkDefaultGateway") != 0;
 	m_INetworkDNSServer = m_Properties.GetIPAddress("NetworkDNSServer") != 0;
+	m_INetworkSyslogServerIPAddress = m_Properties.GetIPAddress("NetworkSyslogServerIPAddress") != 0;
 }
 
 unsigned CConfig::GetToneGenerators (void) const
@@ -767,3 +768,8 @@ CIPAddress CConfig::GetNetworkDNSServer (void) const
 {
 	return m_INetworkDNSServer;
 }
+
+CIPAddress CConfig::GetNetworkSyslogServerIPAddress (void) const
+{
+	return m_INetworkSyslogServerIPAddress;
+}

src/config.h

@@ -248,6 +248,7 @@ public:
 	CIPAddress GetNetworkSubnetMask (void) const;
 	CIPAddress GetNetworkDefaultGateway (void) const;
 	CIPAddress GetNetworkDNSServer (void) const;
+	CIPAddress GetNetworkSyslogServerIPAddress (void) const;
 
 private:
 	CPropertiesFatFsFile m_Properties;
@@ -372,6 +373,7 @@ private:
 	CIPAddress m_INetworkSubnetMask;
 	CIPAddress m_INetworkDefaultGateway;
 	CIPAddress m_INetworkDNSServer;
+	CIPAddress m_INetworkSyslogServerIPAddress;
 };
 
 #endif

src/minidexed.cpp

@@ -23,6 +23,8 @@
 #include <circle/sound/pwmsoundbasedevice.h>
 #include <circle/sound/i2ssoundbasedevice.h>
 #include <circle/sound/hdmisoundbasedevice.h>
+#include <circle/net/syslogdaemon.h>
+#include <circle/net/ipaddress.h>
 #include <circle/gpiopin.h>
 #include <string.h>
 #include <stdio.h>
@@ -2326,6 +2328,18 @@ bool CMiniDexed::InitNetwork()
 			}
 
 			m_pNetDevice = CNetDevice::GetNetDevice(NetDeviceType);
+
+			// Syslog configuration
+			static const u8 SysLogServer[]   = {192, 168, 0, 143}; // FIXME: Don't hardcode this, use m_INetworkSyslogServerIPAddress instead
+			static const u16 usServerPort    = 8514;		// standard port is 514
+			CIPAddress ServerIP (SysLogServer);
+			CString IPString;
+			ServerIP.Format (&IPString);
+			LOGNOTE ( "Sending log messages to %s:%u",
+			(const char *) IPString, (unsigned) usServerPort);
+
+			new CSysLogDaemon (m_pNet, ServerIP, usServerPort);
+
 		}
 	return m_pNet != nullptr;
 }

src/minidexed.ini

@@ -153,6 +153,7 @@ NetworkIPAddress=0
 NetworkSubnetMask=0
 NetworkDefaultGateway=0
 NetworkDNSServer=0
+NetworkSyslogServerIPAddress=0
 
 # Performance
 PerformanceSelectToLoad=1