only for backup, still in coding state - no compile!!!

[lcr.git] / watch.c

diff --git a/watch.c b/watch.c
new file mode 100644 (file)
index 0000000..e8d7a5e
--- /dev/null
+++ b/watch.c
@@ -0,0 +1,147 @@
+/*****************************************************************************\
+**                                                                           **
+** PBX4Linux                                                                 **
+**                                                                           **
+**---------------------------------------------------------------------------**
+** Copyright: Andreas Eversberg                                              **
+**                                                                           **
+** PBX Watchdog with debug function                                          **
+**                                                                           **
+\*****************************************************************************/ 
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <signal.h>
+#include <stdarg.h>
+#include <time.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include "save.h"
+
+time_t now;
+#define GET_NOW() \
+       { \
+               now = time(&now); \
+       }
+
+int quit = 0;
+
+void sighandler(int sigset)
+{
+       if (sigset == SIGHUP)
+               return;
+       if (sigset == SIGPIPE)
+               return;
+       printf("Signal received: %d\n", sigset);
+       quit = 1;
+}
+
+
+int main(int argc, char *argv[])
+{
+       int debug = 0;
+       int ret;
+       char command[256], file[64] = "pbx";
+
+       printf("** PBX-Watch ***\n\n");
+
+       /* show options */
+       if (argc <= 1)
+       {
+               usage:
+               printf("\n");
+               printf("Usage: pbxwatch (run | debug) [fork]\n");
+               printf("run   = Starts PBX4Linux (pbx) and restart it on every crash.\n");
+               printf("debug = Starts PBX4Linux using debugger an restarts it on every crash.\n");
+               printf("        Log files and back trace are moved into a seperate directory.\n");
+               printf("fork  = Option to make pbxwatch running as daemon.\n");
+               printf("\n");
+               return(0);
+       }
+
+       if (!(strcasecmp(argv[1],"run")))
+               debug = 0;
+       else
+       if (!(strcasecmp(argv[1],"debug")))
+               debug = 1;
+       else
+               goto usage;
+
+       /* do fork */
+       if (argc > 2)
+       if (!(strcasecmp(argv[2],"fork")))
+       {
+               /* do daemon fork */
+               pid_t pid;
+
+               pid = fork();
+
+               if (pid < 0)
+               {
+                       fprintf(stderr, "Cannot fork!\n");
+                       exit(EXIT_FAILURE);
+               }
+               if (pid != 0)
+               {
+                       printf("PBX-Watch: Starting daemon.\n");
+                       exit(0);
+               }
+               usleep(200000);
+               printf("\n");
+       }
+
+       /* signal handlers */   
+       signal(SIGINT,sighandler);
+       signal(SIGHUP,sighandler);
+       signal(SIGTERM,sighandler);
+       signal(SIGPIPE,sighandler);
+
+       while(42)
+       {
+               /* RUN */
+               printf("*** RUNNING PBX4LINUX ***\n");
+               if (debug)
+               {
+                       /* write debugger batch list */
+                       SPRINT(command, "echo > /tmp/pbxwatch.batch -e \"handle SIGPIPE nostop\\\\nfile %s\\\\nrun start\\\\nbt\\\\n\"", file);
+                       system(command);
+                       SPRINT(command, "gdb --quiet --batch -x \"/tmp/pbxwatch.batch\" 2>&1 | tee %s/crashreport", INSTALL_DATA);
+                       printf("*** DEBUGGER STARTED ***\n");
+                       ret = system(command);
+                       printf("*** DEBUGGER FINISHED ***\n");
+               } else
+               {
+                       SCPY(command, file);
+                       ret = system(command);
+                       if (ret != 11)
+                       {
+                               printf("*** PBX4LINUX exitted with return code %d ***\n", ret);
+                               break;
+                       }
+                       printf("*** PBX4LINUX CRASHED ***\n");
+               }
+
+               /* LOG */
+               printf("*** WRITING LOG  ***\n");
+               GET_NOW();
+               SPRINT(command, "mkdir \"%s/%d\" && mv \"%s/crashreport\" \"%s/%d\" && cp -a \"%s/debug*.log\" \"%s/%d\"\n", INSTALL_DATA, now, INSTALL_DATA, INSTALL_DATA, now, INSTALL_DATA, INSTALL_DATA, now);
+               system(command);
+
+               /* DELAY */
+               printf("*** SLEEPING 10 SECONDS UNTIL RESTART ***\n");
+               sleep(10);
+               if (quit)
+                       break;
+       }
+
+       signal(SIGINT,SIG_DFL);
+       signal(SIGHUP,SIG_DFL);
+       signal(SIGTERM,SIG_DFL);
+       signal(SIGPIPE,SIG_DFL);
+
+       return(0);
+}
+
+