gui: Rename client_cmd_cmdline() to para_cmd().

[paraslash.git] / server.c

diff --git a/server.c b/server.c
index 5fec70b63517f352386d0990cb9b7e797a2429dc..d3a9a5ae63eecdc202a9261568b6ccc21785377e 100644 (file)
--- a/server.c
+++ b/server.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1997-2011 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 1997-2012 Andre Noll <maan@systemlinux.org>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
@@ -67,7 +67,6 @@
 #include <sys/time.h>
 #include <regex.h>
 #include <osl.h>
-#include <stdbool.h>
 
 #include "para.h"
 #include "error.h"
@@ -79,6 +78,7 @@
 #include "server.h"
 #include "list.h"
 #include "send.h"
+#include "sched.h"
 #include "vss.h"
 #include "config.h"
 #include "close_on_fork.h"
@@ -86,12 +86,13 @@
 #include "daemon.h"
 #include "ipc.h"
 #include "fd.h"
-#include "sched.h"
 #include "signal.h"
 #include "user_list.h"
 #include "color.h"
 #include "version.h"
 
+__printf_2_3 void (*para_log)(int, const char*, ...) = daemon_log;
+
 /** Define the array of error lists needed by para_server. */
 INIT_SERVER_ERRLISTS;
 
@@ -121,6 +122,7 @@ int mmd_mutex;
 /** The file containing user information (public key, permissions). */
 static char *user_list_file = NULL;
 
+static struct sched sched;
 
 /** The task responsible for server command handling. */
 struct server_command_task {
@@ -344,7 +346,7 @@ static void init_signal_task(void)
        para_install_sighandler(SIGCHLD);
        para_sigaction(SIGPIPE, SIG_IGN);
        add_close_on_fork_list(st->fd);
-       register_task(&st->task);
+       register_task(&sched, &st->task);
 }
 
 static void command_pre_select(struct sched *s, struct task *t)
@@ -427,14 +429,14 @@ static void init_server_command_task(int argc, char **argv)
                goto err;
        add_close_on_fork_list(sct->listen_fd); /* child doesn't need the listener */
        sprintf(sct->task.status, "server command task");
-       register_task(&sct->task);
+       register_task(&sched, &sct->task);
        return;
 err:
        PARA_EMERG_LOG("%s\n", para_strerror(-ret));
        exit(EXIT_FAILURE);
 }
 
-static int init_afs(void)
+static int init_afs(int argc, char **argv)
 {
        int ret, afs_server_socket[2];
        pid_t afs_pid;
@@ -448,6 +450,10 @@ static int init_afs(void)
        if (afs_pid < 0)
                exit(EXIT_FAILURE);
        if (afs_pid == 0) { /* child (afs) */
+               int i;
+               for (i = argc - 1; i >= 0; i--)
+                       memset(argv[i], 0, strlen(argv[i]));
+               sprintf(argv[0], "para_server (afs)");
                close(afs_server_socket[0]);
                afs_init(afs_socket_cookie, afs_server_socket[1]);
        }
@@ -462,12 +468,6 @@ static int init_afs(void)
        return afs_server_socket[0];
 }
 
-__noreturn static void tmp_sigchld_handler(__a_unused int s)
-{
-       PARA_EMERG_LOG("caught early SIGCHLD\n");
-       exit(EXIT_FAILURE);
-}
-
 static void server_init(int argc, char **argv)
 {
        struct server_cmdline_parser_params params = {
@@ -491,11 +491,11 @@ static void server_init(int argc, char **argv)
        init_ipc_or_die(); /* init mmd struct and mmd->lock */
        /* make sure, the global now pointer is uptodate */
        gettimeofday(now, NULL);
-       server_uptime(UPTIME_SET); /* reset server uptime */
+       set_server_start_time(now);
        init_user_list(user_list_file);
        /* become daemon */
        if (conf.daemon_given)
-               daemonize();
+               daemonize(true /* parent waits for SIGTERM */);
        PARA_NOTICE_LOG("initializing audio format handlers\n");
        afh_init();
 
@@ -508,24 +508,28 @@ static void server_init(int argc, char **argv)
         */
        para_sigaction(SIGUSR1, SIG_IGN);
        /*
-        * We have to install a SIGCHLD handler before the afs process is being
-        * forked off. Otherwise, para_server does not notice if afs dies before
-        * the SIGCHLD handler has been installed by init_signal_task() below.
+        * We have to block SIGCHLD before the afs process is being forked off.
+        * Otherwise, para_server does not notice if afs dies before the
+        * SIGCHLD handler has been installed for the parent process by
+        * init_signal_task() below.
         */
-       para_sigaction(SIGCHLD, tmp_sigchld_handler);
+       para_block_signal(SIGCHLD);
        PARA_NOTICE_LOG("initializing the audio file selector\n");
-       afs_socket = init_afs();
+       afs_socket = init_afs(argc, argv);
        init_signal_task();
+       para_unblock_signal(SIGCHLD);
        PARA_NOTICE_LOG("initializing virtual streaming system\n");
-       init_vss_task(afs_socket);
+       init_vss_task(afs_socket, &sched);
        init_server_command_task(argc, argv);
+       if (conf.daemon_given)
+               kill(getppid(), SIGTERM);
        PARA_NOTICE_LOG("server init complete\n");
 }
 
 static void status_refresh(void)
 {
        static int prev_uptime = -1, prev_events = -1;
-       int uptime = server_uptime(UPTIME_GET);
+       int uptime = get_server_uptime(now);
 
        if (prev_events != mmd->events)
                goto out;
@@ -567,16 +571,13 @@ static int server_select(int max_fileno, fd_set *readfds, fd_set *writefds,
 int main(int argc, char *argv[])
 {
        int ret;
-       static struct sched s = {
-               .default_timeout = {
-                       .tv_sec = 1,
-                       .tv_usec = 0
-               },
-               .select_function = server_select
-       };
+
+       sched.default_timeout.tv_sec = 1;
+       sched.select_function = server_select;
+
        server_init(argc, argv);
        mutex_lock(mmd_mutex);
-       ret = schedule(&s);
+       ret = schedule(&sched);
        if (ret < 0) {
                PARA_EMERG_LOG("%s\n", para_strerror(-ret));
                exit(EXIT_FAILURE);