added pid-file option to anyrtpproxy

3 files changed, 33 insertions, 6 deletions

diff --git a/src/anyrtpproxy/anyrtpproxy.cpp b/src/anyrtpproxy/anyrtpproxy.cpp
index d29e4d4..05cf738 100644
--- a/src/anyrtpproxy/anyrtpproxy.cpp
+++ b/src/anyrtpproxy/anyrtpproxy.cpp
@@ -57,7 +57,7 @@
 #include "options.h"
 #include "portWindow.h"
 #include <map>
-
+#include <fstream>
 
 #define MAX_PACKET_SIZE 1500
 
@@ -276,10 +276,11 @@ void daemonize()
   pid = fork();
   if(pid) exit(0);
   
-  std::cout << "running in background now..." << std::endl;
+//  std::cout << "running in background now..." << std::endl;
 
   int fd;
-  for (fd=getdtablesize();fd>=0;--fd) // close all file descriptors
+//  for (fd=getdtablesize();fd>=0;--fd) // close all file descriptors
+  for (fd=0;fd<=2;fd++) // close all file descriptors
     close(fd);
   fd=open("/dev/null",O_RDWR);        // stdin
   dup(fd);                            // stdout
@@ -324,20 +325,34 @@ void* syncListener(void* p )
 
 int main(int argc, char* argv[])
 {
-  std::cout << "anyrtpproxy" << std::endl;
+//  std::cout << "anyrtpproxy" << std::endl;
   if(!gOpt.parse(argc, argv))
   {
     gOpt.printUsage();
     exit(-1);
   }
 
+  cLog.setLogName("anyrtpproxy");
+  cLog.msg(Log::PRIO_NOTICE) << "anyrtpproxy started...";
+
+  std::ofstream pidFile;
+  if(gOpt.getPidFile() != "") {
+    pidFile.open(gOpt.getPidFile().c_str());
+    if(!pidFile.is_open()) {
+      std::cout << "can't open pid file" << std::endl;
+    }
+  }
+
   if(gOpt.getChroot())
     chrootAndDrop(gOpt.getChrootDir(), gOpt.getUsername());
   if(gOpt.getDaemonize())
     daemonize();
 
-  cLog.setLogName("anyrtpproxy");
-  cLog.msg(Log::PRIO_NOTICE) << "anyrtpproxy started...";
+  if(pidFile.is_open()) {
+    pid_t pid = getpid();
+    pidFile << pid;
+    pidFile.close();
+  }
   
   SignalController sig;
   sig.init();
diff --git a/src/anyrtpproxy/options.cpp b/src/anyrtpproxy/options.cpp
index ed01020..e6d95cf 100644
--- a/src/anyrtpproxy/options.cpp
+++ b/src/anyrtpproxy/options.cpp
@@ -57,6 +57,7 @@ Options::Options() : control_interface_("0.0.0.0", 22222)
   username_ = "nobody";
   chroot_dir_ = "/var/run";
   daemonize_ = true;
+  pid_file_ = "";
   local_addr_ = "";
 	local_sync_port_ = 0;
 	rtp_start_port_ = 34000;
@@ -162,6 +163,7 @@ bool Options::parse(int argc, char* argv[])
     PARSE_SCALAR_PARAM("-u","--user", username_)
     PARSE_SCALAR_PARAM("-c","--chroot-dir", chroot_dir_)
     PARSE_INVERSE_BOOL_PARAM("-d","--nodaemonize", daemonize_)
+    PARSE_SCALAR_PARAM("-P","--write-pid", pid_file_)
     PARSE_SCALAR_PARAM("-i","--interface", local_addr_)
     PARSE_STRING_PARAM("-s","--control", control_interface_)
     PARSE_SCALAR_PARAM2("-p","--port-range", rtp_start_port_, rtp_end_port_)
@@ -200,6 +202,7 @@ void Options::printUsage()
   std::cout << "  [-u|--username] <username>       in case of chroot run as this user" << std::endl;
   std::cout << "  [-c|--chroot-dir] <directory>    directory to make a chroot to" << std::endl;
   std::cout << "  [-d|--nodaemonize]               don't run in background" << std::endl;
+  std::cout << "  [-P|--write-pid] <path>          write pid to this file" << std::endl;
   std::cout << "  [-i|--interface] <ip-address>    local ip address to listen to for RTP packets" << std::endl;
   std::cout << "  [-s|--control] <addr[:port]>     the address/port to listen on for control commands" << std::endl;
   std::cout << "  [-p|--port-range] <start> <end>  port range used to relay rtp connections" << std::endl;
@@ -219,6 +222,7 @@ void Options::printOptions()
   std::cout << "username='" << username_ << "'" << std::endl;
   std::cout << "chroot-dir='" << chroot_dir_ << "'" << std::endl;
   std::cout << "daemonize='" << daemonize_ << "'" << std::endl;
+  std::cout << "pid_file='" << pid_file_ << "'" << std::endl;
   std::cout << "control-interface='" << control_interface_.toString() << "'" << std::endl;
   std::cout << "local_addr='" << local_addr_ << "'" << std::endl;
 }
@@ -265,6 +269,12 @@ bool Options::getDaemonize()
   return daemonize_;
 }
 
+std::string Options::getPidFile()
+{
+  Lock lock(mutex);
+  return pid_file_;
+}
+
 Host Options::getControlInterface()
 {
   Lock lock(mutex);
diff --git a/src/anyrtpproxy/options.h b/src/anyrtpproxy/options.h
index 1eb176d..3d924fd 100644
--- a/src/anyrtpproxy/options.h
+++ b/src/anyrtpproxy/options.h
@@ -81,6 +81,7 @@ public:
   bool getNoNatOnce();
   std::string getUsername();
   std::string getChrootDir();
+  std::string getPidFile();
   bool getDaemonize();
   Host getControlInterface();
   std::string getLocalAddr();
@@ -118,6 +119,7 @@ private:
   bool no_nat_once_;
   std::string username_;
   std::string chroot_dir_;
+  std::string pid_file_;
   bool daemonize_;
 	u_int16_t local_sync_port_;
   std::string local_addr_;