65 lines
2 KiB
C++
65 lines
2 KiB
C++
#include <errno.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include <semaphore.h>
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#include INPUTTYPE
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#include <mist/config.h>
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#include <mist/defines.h>
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#include <mist/procs.h>
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int main(int argc, char * argv[]) {
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Util::Config conf(argv[0], PACKAGE_VERSION);
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mistIn conv(&conf);
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if (conf.parseArgs(argc, argv)) {
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std::string streamName = conf.getString("streamname");
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IPC::semaphore playerLock;
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if (streamName.size()){
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playerLock.open(std::string("/lock_" + streamName).c_str(), O_CREAT | O_RDWR, ACCESSPERMS, 1);
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if (!playerLock.tryWait()){
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DEBUG_MSG(DLVL_DEVEL, "A player for stream %s is already running", streamName.c_str());
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return 1;
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}
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}
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conf.activate();
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while (conf.is_active){
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pid_t pid = fork();
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if (pid == 0){
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playerLock.close();
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return conv.run();
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}
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if (pid == -1){
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DEBUG_MSG(DLVL_FAIL, "Unable to spawn player process");
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playerLock.post();
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return 2;
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}
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//wait for the process to exit
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int status;
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while (waitpid(pid, &status, 0) != pid && errno == EINTR){
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if (!conf.is_active){
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DEBUG_MSG(DLVL_DEVEL, "Shutting down input for stream %s because of signal interrupt...", streamName.c_str());
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Util::Procs::Stop(pid);
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}
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continue;
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}
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//if the exit was clean, don't restart it
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if (WIFEXITED(status) && (WEXITSTATUS(status) == 0)){
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DEBUG_MSG(DLVL_MEDIUM, "Input for stream %s shut down cleanly", streamName.c_str());
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break;
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}
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if (DEBUG >= DLVL_DEVEL){
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DEBUG_MSG(DLVL_DEVEL, "Input for stream %s uncleanly shut down! Aborting restart; this is a development build.", streamName.c_str());
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break;
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}else{
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DEBUG_MSG(DLVL_DEVEL, "Input for stream %s uncleanly shut down! Restarting...", streamName.c_str());
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}
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}
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playerLock.post();
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playerLock.close();
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}
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return 0;
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}
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