Load the DMR Id lookup table periodically.

Conf.cpp

@@ -33,6 +33,7 @@ enum SECTION {
   SECTION_INFO,
   SECTION_LOG,
   SECTION_CWID,
+  SECTION_DMRID_LOOKUP,
   SECTION_MODEM,
   SECTION_DSTAR,
   SECTION_DMR,
@@ -73,6 +74,8 @@ m_logFilePath(),
 m_logFileRoot(),
 m_cwIdEnabled(false),
 m_cwIdTime(10U),
+m_dmrIdLookupFile(),
+m_dmrIdLookupTime(0U),
 m_modemPort(),
 m_modemRXInvert(false),
 m_modemTXInvert(false),
@@ -112,7 +115,6 @@ m_dmrDstIdBlacklistSlot1NET(),
 m_dmrDstIdBlacklistSlot2NET(),
 m_dmrDstIdWhitelistSlot1NET(),
 m_dmrDstIdWhitelistSlot2NET(),
-m_dmrLookupFile(),
 m_dmrCallHang(3U),
 m_dmrTXHang(4U),
 m_fusionEnabled(false),
@@ -196,6 +198,8 @@ bool CConf::read()
 		  section = SECTION_LOG;
 	  else if (::strncmp(buffer, "[CW Id]", 7U) == 0)
 		  section = SECTION_CWID;
+	  else if (::strncmp(buffer, "[DMR Id Lookup]", 15U) == 0)
+		  section = SECTION_DMRID_LOOKUP;
 	  else if (::strncmp(buffer, "[Modem]", 7U) == 0)
         section = SECTION_MODEM;
 	  else if (::strncmp(buffer, "[D-Star]", 8U) == 0)
@@ -287,6 +291,11 @@ bool CConf::read()
 			m_cwIdEnabled = ::atoi(value) == 1;
 		else if (::strcmp(key, "Time") == 0)
 			m_cwIdTime = (unsigned int)::atoi(value);
+	} else if (section == SECTION_DMRID_LOOKUP) {
+		if (::strcmp(key, "File") == 0)
+			m_dmrIdLookupFile = value;
+		else if (::strcmp(key, "Time") == 0)
+			m_dmrIdLookupTime = (unsigned int)::atoi(value);
 	} else if (section == SECTION_MODEM) {
 		if (::strcmp(key, "Port") == 0)
 			m_modemPort = value;
@@ -436,9 +445,7 @@ bool CConf::read()
 					m_dmrDstIdWhitelistSlot2NET.push_back(id);
 				p = ::strtok(NULL, ",\r\n");
 			}
-		} else if (::strcmp(key, "LookupFile") == 0)
-			m_dmrLookupFile = value;
-		else if (::strcmp(key, "TXHang") == 0)
+		} else if (::strcmp(key, "TXHang") == 0)
 			m_dmrTXHang = (unsigned int)::atoi(value);
 		else if (::strcmp(key, "CallHang") == 0)
 			m_dmrCallHang = (unsigned int)::atoi(value);
@@ -686,6 +693,16 @@ unsigned int CConf::getCWIdTime() const
 	return m_cwIdTime;
 }
 
+std::string CConf::getDMRIdLookupFile() const
+{
+	return m_dmrIdLookupFile;
+}
+
+unsigned int CConf::getDMRIdLookupTime() const
+{
+	return m_dmrIdLookupTime;
+}
+
 std::string CConf::getModemPort() const
 {
 	return m_modemPort;
@@ -840,39 +857,45 @@ std::vector<unsigned int> CConf::getDMRBlackList() const
 {
 	return m_dmrBlackList;
 }
+
 std::vector<unsigned int> CConf::getDMRDstIdBlacklistSlot1RF() const
 {
 	return m_dmrDstIdBlacklistSlot1RF;
 }
+
 std::vector<unsigned int> CConf::getDMRDstIdBlacklistSlot2RF() const
 {
 	return m_dmrDstIdBlacklistSlot2RF;
 }
+
 std::vector<unsigned int> CConf::getDMRDstIdWhitelistSlot1RF() const
 {
 	return m_dmrDstIdWhitelistSlot1RF;
-}std::vector<unsigned int> CConf::getDMRDstIdWhitelistSlot2RF() const
+}
+
+std::vector<unsigned int> CConf::getDMRDstIdWhitelistSlot2RF() const
 {
 	return m_dmrDstIdWhitelistSlot2RF;
 }
+
 std::vector<unsigned int> CConf::getDMRDstIdBlacklistSlot1NET() const
 {
 	return m_dmrDstIdBlacklistSlot1NET;
 }
+
 std::vector<unsigned int> CConf::getDMRDstIdBlacklistSlot2NET() const
 {
 	return m_dmrDstIdBlacklistSlot2NET;
 }
+
 std::vector<unsigned int> CConf::getDMRDstIdWhitelistSlot1NET() const
 {
 	return m_dmrDstIdWhitelistSlot1NET;
-}std::vector<unsigned int> CConf::getDMRDstIdWhitelistSlot2NET() const
-{
-	return m_dmrDstIdWhitelistSlot2NET;
 }
-std::string CConf::getDMRLookupFile() const
+
+std::vector<unsigned int> CConf::getDMRDstIdWhitelistSlot2NET() const
 {
-	return m_dmrLookupFile;
+	return m_dmrDstIdWhitelistSlot2NET;
 }
 
 unsigned int CConf::getDMRCallHang() const

Conf.h

@@ -60,6 +60,10 @@ class CConf
   bool         getCWIdEnabled() const;
   unsigned int getCWIdTime() const;
 
+  // The DMR Id section
+  std::string  getDMRIdLookupFile() const;
+  unsigned int getDMRIdLookupTime() const;
+
   // The Modem section
   std::string  getModemPort() const;
   bool         getModemRXInvert() const;
@@ -104,7 +108,6 @@ class CConf
   std::vector<unsigned int> getDMRDstIdBlacklistSlot2NET() const;
   std::vector<unsigned int> getDMRDstIdWhitelistSlot1NET() const;
   std::vector<unsigned int> getDMRDstIdWhitelistSlot2NET() const;
-  std::string  getDMRLookupFile() const;
   unsigned int getDMRCallHang() const;
   unsigned int getDMRTXHang() const;
 
@@ -206,6 +209,9 @@ class CConf
   bool         m_cwIdEnabled;
   unsigned int m_cwIdTime;
 
+  std::string  m_dmrIdLookupFile;
+  unsigned int m_dmrIdLookupTime;
+
   std::string  m_modemPort;
   bool         m_modemRXInvert;
   bool         m_modemTXInvert;
@@ -237,7 +243,6 @@ class CConf
   bool	       m_dmrTGRewriteSlot2;
   bool	       m_dmrBMAutoRewrite;
   bool	       m_dmrBMRewriteReflectorVoicePrompts;
-
   std::vector<unsigned int> m_dmrPrefixes;
   std::vector<unsigned int> m_dmrBlackList;
   std::vector<unsigned int> m_dmrDstIdBlacklistSlot1RF;
@@ -248,7 +253,6 @@ class CConf
   std::vector<unsigned int> m_dmrDstIdBlacklistSlot2NET;
   std::vector<unsigned int> m_dmrDstIdWhitelistSlot1NET;
   std::vector<unsigned int> m_dmrDstIdWhitelistSlot2NET;
-  std::string  m_dmrLookupFile;
   unsigned int m_dmrCallHang;
   unsigned int m_dmrTXHang;
 

DMRLookup.cpp

@@ -17,15 +17,21 @@
 */
 
 #include "DMRLookup.h"
+#include "Timer.h"
 #include "Log.h"
 
 #include <cstdio>
 #include <cstdlib>
 #include <cstring>
 #include <cctype>
 
-CDMRLookup::CDMRLookup(const std::string& filename) :
-m_filename(filename)
+CDMRLookup::CDMRLookup(const std::string& filename, unsigned int reloadTime) :
+CThread(),
+m_filename(filename),
+m_reloadTime(reloadTime),
+m_table(),
+m_mutex(),
+m_stop(false)
 {
 }
 
@@ -34,13 +40,82 @@ CDMRLookup::~CDMRLookup()
 }
 
 bool CDMRLookup::read()
+{
+	bool ret = load();
+
+	if (m_reloadTime > 0U)
+		run();
+
+	return ret;
+}
+
+void CDMRLookup::entry()
+{
+	LogInfo("Started the DMR Id lookup reload thread");
+
+	CTimer timer(1U, 3600U * m_reloadTime);
+	timer.start();
+
+	while (!m_stop) {
+		sleep(1000U);
+
+		timer.clock();
+		if (timer.hasExpired()) {
+			load();
+			timer.start();
+		}
+	}
+
+	LogInfo("Stopped the DMR Id lookup reload thread");
+}
+
+void CDMRLookup::stop()
+{
+	if (m_reloadTime == 0U) {
+		delete this;
+		return;
+	}
+
+	m_stop = true;
+
+	wait();
+}
+
+std::string CDMRLookup::find(unsigned int id)
+{
+	std::string callsign;
+
+	if (id == 0xFFFFFFU)
+		return std::string("ALL");
+
+	m_mutex.lock();
+
+	try {
+		callsign = m_table.at(id);
+	} catch (...) {
+		char text[10U];
+		::sprintf(text, "%u", id);
+		callsign = std::string(text);
+	}
+
+	m_mutex.unlock();
+
+	return callsign;
+}
+
+bool CDMRLookup::load()
 {
 	FILE* fp = ::fopen(m_filename.c_str(), "rt");
 	if (fp == NULL) {
 		LogWarning("Cannot open the Id lookup file - %s", m_filename.c_str());
 		return false;
 	}
 
+	m_mutex.lock();
+
+	// Remove the old entries
+	m_table.clear();
+
 	char buffer[100U];
 	while (::fgets(buffer, 100U, fp) != NULL) {
 		if (buffer[0U] == '#')
@@ -58,6 +133,8 @@ bool CDMRLookup::read()
 		}
 	}
 
+	m_mutex.unlock();
+
 	::fclose(fp);
 
 	size_t size = m_table.size();
@@ -67,22 +144,4 @@ bool CDMRLookup::read()
 	LogInfo("Loaded %u Ids to the callsign lookup table", size);
 
 	return true;
-}
-
-std::string CDMRLookup::find(unsigned int id) const
-{
-	std::string callsign;
-
-	if (id == 0xFFFFFFU)
-		return std::string("ALL");
-
-	try {
-		callsign = m_table.at(id);
-	} catch (...) {
-		char text[10U];
-		::sprintf(text, "%u", id);
-		callsign = std::string(text);
-	}
-
-	return callsign;
-}
+}

DMRLookup.h

@@ -19,21 +19,33 @@
 #ifndef	DMRLookup_H
 #define	DMRLookup_H
 
+#include "Thread.h"
+#include "Mutex.h"
+
 #include <string>
 #include <unordered_map>
 
-class CDMRLookup {
+class CDMRLookup : public CThread {
 public:
-	CDMRLookup(const std::string& filename);
-	~CDMRLookup();
+	CDMRLookup(const std::string& filename, unsigned int reloadTime);
+	virtual ~CDMRLookup();
 
 	bool read();
 
-	std::string find(unsigned int id) const;
+	virtual void entry();
+
+	std::string find(unsigned int id);
+
+	void stop();
 
 private:
 	std::string                                   m_filename;
+	unsigned int                                  m_reloadTime;
 	std::unordered_map<unsigned int, std::string> m_table;
+	CMutex                                        m_mutex;
+	bool                                          m_stop;
+
+	bool load();
 };
 
 #endif

MMDVM.ini

@@ -30,6 +30,10 @@ FileRoot=MMDVM
 Enable=1
 Time=10
 
+[DMR Id Lookup]
+File=DMRIds.dat
+Time=24
+
 [Modem]
 # Port=/dev/ttyACM0
 Port=\\.\COM3
@@ -62,7 +66,6 @@ Id=123456
 ColorCode=1
 SelfOnly=0
 # Prefixes=234,235
-LookupFile=DMRIds.dat
 CallHang=3
 TXHang=4
 #Blacklist=