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Add daemonisation under Linux and other enhancements (from Simon G7RZU)

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Jonathan Naylor
2016-05-03 23:01:49 +01:00
parent 0f2e3bb16a
commit 91aba16d98
4 changed files with 58 additions and 8 deletions
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55
MMDVMHost.cpp
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@@ -38,38 +38,53 @@
#if !defined(_WIN32) && !defined(_WIN64)
#include <unistd.h>
#include <signal.h>
#include <fcntl.h>
#endif
#if defined(_WIN32) || defined(_WIN64)
const char* DEFAULT_INI_FILE = "mmdvm.ini";
#else
const char* DEFAULT_INI_FILE = "/etc/mmdvm.ini";
#endif
static bool m_killed = false;
static int m_signal = 0;
#if !defined(_WIN32) && !defined(_WIN64)
static void sigHandler(int)
static void sigHandler(int signum)
{
m_killed = true;
m_signal = signum;
}
#endif
const char* HEADER1 = "This software is for use on amateur radio networks only,";
const char* HEADER2 = "it is to be used for educational purposes only. Its use on";
const char* HEADER3 = "commercial networks is strictly prohibited.";
const char* HEADER4 = "Copyright(C) 2015, 2016 by Jonathan Naylor, G4KLX";
const char* HEADER4 = "Copyright(C) 2015, 2016 by Jonathan Naylor, G4KLX and others";
int main(int argc, char** argv)
{
if (argc == 1) {
::fprintf(stderr, "Usage: MMDVMHost <conf file>\n");
return 1;
}
const char* iniFile = DEFAULT_INI_FILE;
if (argc > 1)
iniFile = argv[1];
#if !defined(_WIN32) && !defined(_WIN64)
::signal(SIGUSR1, sigHandler);
::signal(SIGTERM, sigHandler);
::signal(SIGHUP, sigHandler);
#endif
CMMDVMHost* host = new CMMDVMHost(std::string(argv[1]));
CMMDVMHost* host = new CMMDVMHost(std::string(iniFile));
int ret2 = host->run();
delete host;
if (m_signal == 15)
::LogInfo("Caught SIGTERM. Exiting");
if (m_signal == 1)
::LogInfo("Caught SIGHUP. Exiting");
::LogFinalise();
return ret2;
@@ -108,6 +123,30 @@ int CMMDVMHost::run()
return 1;
}
#if !defined(_WIN32) && !defined(_WIN64)
bool m_daemon = m_conf.getDaemon();
if (m_daemon) {
// Create new process
pid_t pid = ::fork();
if (pid == -1)
return -1;
else if (pid != 0)
exit(EXIT_SUCCESS);
// Create new session and process group
if (::setsid() == -1)
return -1;
// Set the working directory to the root directory
if (::chdir("/") == -1)
return -1;
::close(STDIN_FILENO);
::close(STDOUT_FILENO);
::close(STDERR_FILENO);
}
#endif
LogInfo(HEADER1);
LogInfo(HEADER2);
LogInfo(HEADER3);