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Diffstat (limited to 'java/jboss5/files/daemonctl.c')
| -rw-r--r-- | java/jboss5/files/daemonctl.c | 557 |
1 files changed, 0 insertions, 557 deletions
diff --git a/java/jboss5/files/daemonctl.c b/java/jboss5/files/daemonctl.c deleted file mode 100644 index 215d5bcd50c3..000000000000 --- a/java/jboss5/files/daemonctl.c +++ /dev/null @@ -1,557 +0,0 @@ -/* - * -*- mode: Fundamental; tab-width: 4; -*- - * ex:ts=4 - * - * Daemon control program, with Java Startup options. - * - * Original by Ernst de Haan <znerd@freebsd.org> - * www/jakarta-tomcat4/files/daemonctl.c - * - * $FreeBSD: /tmp/pcvs/ports/java/jboss5/files/Attic/daemonctl.c,v 1.3 2004-12-22 20:44:23 hq Exp $ - */ - -#include <assert.h> -#include <fcntl.h> -#include <signal.h> -#include <stdarg.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <syslog.h> -#include <unistd.h> -#include <sys/errno.h> -#include <sys/stat.h> -#include <sys/types.h> -#include <sys/uio.h> - -#define TRUE 1 -#define FALSE 0 - -/* The interval in seconds between the checks to make sure the process - died after a kill */ -#define STOP_TIME_INTERVAL 1 - -#define ERR_ILLEGAL_ARGUMENT 1 -#define ERR_PID_FILE_NOT_FOUND 2 -#define ERR_KILL_FAILED 5 -#define ERR_ALREADY_RUNNING 6 -#define ERR_NOT_RUNNING 7 -#define ERR_CHDIR_TO_APP_HOME 8 -#define ERR_ACCESS_JAR_FILE 17 -#define ERR_STDOUT_LOGFILE_OPEN 9 -#define ERR_STDERR_LOGFILE_OPEN 10 -#define ERR_FORK_FAILED 11 -#define ERR_STAT_JAVA_HOME 12 -#define ERR_JAVA_HOME_NOT_DIR 13 -#define ERR_STAT_JAVA_CMD 14 -#define ERR_JAVA_CMD_NOT_FILE 15 -#define ERR_JAVA_CMD_NOT_EXECUTABLE 16 - -/* - Function declarations. - */ -static void printUsage (void); -static int readPID (void); -static void writePID (int pid); -static void clearPID (void); -static void start (int javaOpt, char * javaArgs [], int jbossOpt, char * jbossArgs []); -static void stop (void); -static void restart (int javaOpt, char * javaArgs [], int jbossOpt, char * jbossArgs []); -static void logOutput (char *); - -/* - Globals - */ -static int isQuiet = FALSE; -static char * optQuiet = "-q", /* quiet option */ - * optConfig = "-config"; /* jboss configuration option */ - -/** - * Main function. This function is called when this program is executed. - * - * @param argc - * the number of arguments plus one, so always greater than 0. - * - * @param argv - * the arguments in an array of character pointers, where the last argument - * element is followed by a NULL element. - */ -int -main ( - int argc, - char *argv []) -{ - /* Declare variables, like all other good ANSI C programs do :) */ - int i, javaOpt, jbossOpt; - char *argument, **javaArgs, **jbossArgs; - - /* Parse the arguments */ - if (argc < 2) - { - printUsage (); - return 0; - } - - /* XXX: Fix for setting up the environment for the java wrapper script */ - setuid (geteuid ()); - setgid (getegid ()); - - /* - Build up java and jboss option blocks. - */ - javaOpt = jbossOpt = 0; - for (i = 1; i < argc; i++) - { - if (strcmp (argv [i], optQuiet) == 0) - { - isQuiet = TRUE; - - } else if (strcmp (argv [i], optConfig) == 0) - { - jbossOpt += 2; - if (++i >= argc) - { - printUsage (); - return ERR_ILLEGAL_ARGUMENT; - } - - } else if (*argv [i] == '-') - { - javaOpt++; - } - } - if (javaOpt == 0) - javaArgs = NULL; - else - { - int j = 0; - javaArgs = malloc (sizeof (char *) * javaOpt); - for (i = 0; i < argc; i++) - { - if (strcmp (argv [i], optQuiet) && - strcmp (argv [i], optConfig) && - *argv [i] == '-') - { - javaArgs [j++] = argv [i]; - } - } - } - if (jbossOpt == 0) - jbossArgs = NULL; - else - { - int j = 0; - jbossArgs = malloc (sizeof (char *) * jbossOpt); - for (i = 0; i < argc; i++) - { - if (strcmp (argv [i], optConfig) == 0) - { - jbossArgs [j++] = "-c"; - jbossArgs [j++] = argv [++i]; - } - } - } - - /* - Decide on just what to call. - */ - argument = argv [argc - 1]; - if (strcmp ("start", argument) == 0) - { - start (javaOpt, javaArgs, jbossOpt, jbossArgs); - - } else if (strcmp ("stop", argument) == 0) - { - stop (); - - } else if (strcmp ("restart", argument) == 0) - { - restart (javaOpt, javaArgs, jbossOpt, jbossArgs); - - } else { - fprintf (stderr, "%%CONTROL_SCRIPT_NAME%%: Illegal argument \"%s\".\n", argument); - printUsage (); - exit (ERR_ILLEGAL_ARGUMENT); - } - - return EXIT_SUCCESS; -} - -/** - * Prints usage information to stdout. - */ -static void -printUsage (void) -{ - printf ("Usage: %%CONTROL_SCRIPT_NAME%% [java-options] [-config jbossconfig] {start|stop|restart}\n"); -} - -/** - * Reads a PID from the PID file. - * - * @return - * the PID, or -1 if the file was empty. - */ -static int -readPID (void) -{ - FILE * file; - int pid; - - logOutput (">> Reading PID file (%%PID_FILE%%)..."); - file = fopen ("%%PID_FILE%%", "r"); - if (!file) - { - logOutput (" [ FAILED ]\n"); - perror ("%%CONTROL_SCRIPT_NAME%%: Unable to open %%PID_FILE%% for reading: "); - exit (ERR_PID_FILE_NOT_FOUND); - } - if (fscanf (file, "%d", &pid) < 1) - pid = -1; - fclose (file); - - logOutput (" [ DONE ]\n"); - return pid; -} - -/** - * Writes a process ID to the specified file. The file is identified by a file - * handle. - * - * @param pid - * the PID to store, always greater than 0. - */ -static void -writePID ( - int pid) -{ - FILE * file; - - logOutput (">> Writing PID file..."); - file = fopen ("%%PID_FILE%%", "w"); - if (!file) - { - logOutput (" [ FAILED ]\n"); - perror ("%%CONTROL_SCRIPT_NAME%%: Unable to open %%PID_FILE%% for writing: "); - exit (ERR_PID_FILE_NOT_FOUND); - } - fprintf (file, "%d\n", pid); - fclose (file); - - logOutput (" [ DONE ]\n"); -} - -/** - Truncate the PID file. - */ -static void -clearPID (void) -{ - if (truncate ("%%PID_FILE%%", 0) != 0) - { - perror ("%%CONTROL_SCRIPT_NAME%%: Unable to clear %%PID_FILE%%: "); - exit (ERR_PID_FILE_NOT_FOUND); - } -} - -/** - * Checks if the specified process is running. - * - * @param pid - * the process id, greater than 0. - * - * @return - * 0 if the specified process is not running, a different value otherwise. - */ -static int -existsProcess ( - int pid) -{ - int result; - - /* Check preconditions */ - assert (pid > 0); - - /* See if the process exists */ - result = kill (pid, 0); - - /* If the result is 0, then the process exists */ - return result == 0; -} - -/** - * Kills the process identified by the specified ID. - * - * @param pid - * the process id, greater than 0. - */ -static void -killProcess ( - int pid) -{ - int result; - unsigned int waited; - unsigned int forced; - unsigned int interval = STOP_TIME_INTERVAL; - unsigned int timeout = %%STOP_TIMEOUT%%; - - /* Check preconditions */ - assert (pid > 0); - - if (!isQuiet) - printf (">> Terminating process %d...", pid); - result = kill (pid, SIGTERM); - if (result < 0) { - logOutput (" [ FAILED ]\n"); - fprintf (stderr, "%%CONTROL_SCRIPT_NAME%%: Unable to kill process %d: ", pid); - perror (NULL); - exit (ERR_KILL_FAILED); - } - - /* Wait until the process is actually killed */ - result = existsProcess (pid); - for (waited=0; result == 1 && waited < timeout; waited += interval) - { - logOutput ("."); - fflush (stdout); - sleep (interval); - result = existsProcess (pid); - } - - /* If the process still exists, then have no mercy and kill it */ - forced = 0; - if (result == 1) - { - /* Force the process to die */ - result = kill (pid, SIGKILL); - if (result == 0) { - forced = 1; - logOutput (" [ KILLED ]\n"); - fprintf (stderr, "%%CONTROL_SCRIPT_NAME%%: Process %d did not terminate within %%STOP_TIMEOUT%% sec. Killed.\n", pid); - } else if (result != ESRCH) { - logOutput (" [ FAILED ]\n"); - fprintf (stderr, "%%CONTROL_SCRIPT_NAME%%: Unable to kill process %d: ", pid); - perror (NULL); - exit (ERR_KILL_FAILED); - } - } - - if (forced == 0) { - logOutput (" [ DONE ]\n"); - } -} - -/** - * Starts the daemon. - */ -static void -start ( - int javaOpt, - char * javaArgs [], - int jbossOpt, - char * jbossArgs []) -{ - int i, argc; - char ** argv; - int pid; - int result; - int stdoutLogFile; - int stderrLogFile; - struct stat sb; - - pid = readPID (); - - logOutput (">> Starting %%APP_TITLE%% %%PORTVERSION%%..."); - if (pid != -1) - { - /* Check if the process actually exists */ - result = existsProcess (pid); - if (result == 1) - { - logOutput (" [ FAILED ]\n"); - fprintf (stderr, "%%CONTROL_SCRIPT_NAME%%: %%APP_TITLE%% %%PORTVERSION%% is already running, PID is %d.\n", pid); - exit (ERR_ALREADY_RUNNING); - } - } - - /* Check if the JDK home directory is actually a directory */ - result = stat ("%%JAVA_HOME%%", &sb); - if (result != 0) { - logOutput (" [ FAILED ]\n"); - fprintf (stderr, "%%CONTROL_SCRIPT_NAME%%: Unable to stat %%JAVA_HOME%%: "); - perror (NULL); - exit (ERR_STAT_JAVA_HOME); - } - if (!S_ISDIR (sb.st_mode)) { - logOutput (" [ FAILED ]\n"); - fprintf (stderr, "%%CONTROL_SCRIPT_NAME%%: Java home directory %%JAVA_HOME%% is not a directory.\n"); - exit (ERR_JAVA_HOME_NOT_DIR); - } - - /* Check if the Java command is actually an executable regular file */ - result = stat ("%%JAVA%%", &sb); - if (result != 0) { - logOutput (" [ FAILED ]\n"); - fprintf (stderr, "%%CONTROL_SCRIPT_NAME%%: Unable to stat %%JAVA%%: "); - perror (NULL); - exit (ERR_STAT_JAVA_CMD); - } - if (!S_ISREG (sb.st_mode)) { - logOutput (" [ FAILED ]\n"); - fprintf (stderr, "%%CONTROL_SCRIPT_NAME%%: Java command %%JAVA%% is not a regular file.\n"); - exit (ERR_JAVA_CMD_NOT_FILE); - } - result = access ("%%JAVA%%", X_OK); - if (result != 0) { - logOutput (" [ FAILED ]\n"); - fprintf (stderr, "%%CONTROL_SCRIPT_NAME%%: Java command %%JAVA%% is not executable: "); - perror (NULL); - exit (ERR_JAVA_CMD_NOT_EXECUTABLE); - } - - /* Change directory */ - result = chdir ("%%APP_HOME%%"); - if (result < 0) { - logOutput (" [ FAILED ]\n"); - fprintf (stderr, "%%CONTROL_SCRIPT_NAME%%: Unable to access directory %%APP_HOME%%: "); - perror (NULL); - exit (ERR_CHDIR_TO_APP_HOME); - } - - /* See if the JAR file exists */ - result = access ("%%APP_HOME%%/%%JAR_FILE%%", R_OK); - if (result < 0) { - logOutput (" [ FAILED ]\n"); - fprintf (stderr, "%%CONTROL_SCRIPT_NAME%%: Unable to access JAR file %%APP_HOME%%/%%JAR_FILE%%: "); - perror (NULL); - exit (ERR_ACCESS_JAR_FILE); - } - - /* Open the stdout log file */ - stdoutLogFile = open ("%%STDOUT_LOG%%", O_WRONLY); - if (stdoutLogFile < 0) { - logOutput (" [ FAILED ]\n"); - fprintf (stderr, "%%CONTROL_SCRIPT_NAME%%: Unable to open %%STDOUT_LOG%% for writing: "); - perror (NULL); - exit (ERR_STDOUT_LOGFILE_OPEN); - } - lseek (stdoutLogFile, (off_t) 0, SEEK_END); - - /* Open the stderr log file */ - stderrLogFile = open ("%%STDERR_LOG%%", O_WRONLY); - if (stderrLogFile < 0) { - logOutput (" [ FAILED ]\n"); - fprintf (stderr, "%%CONTROL_SCRIPT_NAME%%: Unable to open %%STDERR_LOG%% for writing: "); - perror (NULL); - exit (ERR_STDERR_LOGFILE_OPEN); - } - lseek (stderrLogFile, (off_t) 0, SEEK_END); - - /* Split this process in two */ - switch (pid = fork ()) - { - case -1: - logOutput (" [ FAILED ]\n"); - fprintf (stderr, "%%CONTROL_SCRIPT_NAME%%: Unable to fork: "); - perror (NULL); - exit (ERR_FORK_FAILED); - break; - - case 0: - /* Redirect stdout to log file */ - dup2 (stdoutLogFile, STDOUT_FILENO); - - /* Redirect stderr to log file */ - dup2 (stderrLogFile, STDERR_FILENO); - - /* TODO: Support redirection of both stdout and stderr to the same - file using pipe (2) */ - - /* - Build the argument vector, with the java/jboss options if any. - */ - argv = malloc (sizeof (char *) * (javaOpt + jbossOpt + 5)); - argc = 0; - argv [argc++] = "%%JAVA%%"; - for (i = 0; i < javaOpt; i++) - argv [argc++] = javaArgs [i]; - argv [argc++] = "-cp"; - argv [argc++] = "%%JAVA_CP%%"; - argv [argc++] = "%%JAVA_MAIN%%"; - for (i = 0; i < jbossOpt; i++) - argv [argc++] = jbossArgs [i]; - argv [argc++] = NULL; - - /* Execute the command */ - execv (argv [0], argv); - perror (NULL); - break; - - default: - logOutput (" [ DONE ]\n"); - writePID (pid); - } -} - -/** - * Stops the daemon. - */ -static void -stop (void) -{ - int pid; - - pid = readPID (); - - logOutput (">> Checking if %%APP_TITLE%% %%PORTVERSION%% is running..."); - - /* If there is a PID, see if the process still exists */ - if (pid != -1) - { - int result = kill (pid, 0); - if (result != 0 && errno == ESRCH) - { - clearPID (); - pid = -1; - } - } - - /* If there is no running process, produce an error */ - if (pid == -1) - { - logOutput (" [ FAILED ]\n"); - fprintf (stderr, "%%CONTROL_SCRIPT_NAME%%: %%APP_TITLE%% %%PORTVERSION%% is currently not running.\n"); - exit (ERR_NOT_RUNNING); - } - logOutput (" [ DONE ]\n"); - - /* Terminate the process */ - killProcess (pid); - clearPID (); -} - - -/** - * Restarts the process. If it not currently running, then it will fail. - */ -static void -restart ( - int javaOpt, - char * javaArgs [], - int jbossOpt, - char * jbossArgs []) -{ - stop (); - start (javaOpt, javaArgs, jbossOpt, jbossArgs); -} - -/** - Output log to stdout. - */ -static void -logOutput ( - char * string) -{ - if (!isQuiet) - printf (string); -} |