Merge branch 't/generic_match_count'

[paraslash.git] / server.c

diff --git a/server.c b/server.c
index 4d54f74b63d47e52fee508a899bc3b8970d1e1b6..7f020c8f73f34674a0ff644aa84e73a9096962b1 100644 (file)
--- a/server.c
+++ b/server.c
@@ -52,20 +52,19 @@
  *     - Blob tables: \ref blob.c,
  *     - The error subssystem: \ref error.h.
  *     - Access control for paraslash senders: \ref acl.c, \ref acl.h.
+ *     - Internal crypto API: \ref crypt.h.
  *
  * Low-level data structures:
  *
  *     - Doubly linked lists: \ref list.h,
  *     - Ring buffer: \ref ringbuffer.c, \ref ringbuffer.h,
- *     - Hashing: \ref hash.h, \ref sha1.h, \ref sha1.c,
- *     - Crypto: \ref crypt.c.
+ *     - openssl: \ref crypt.c
+ *     - libgcrypt: \ref gcrypt.c
  *     - Forward error correction: \ref fec.c.
  */
 
 #include <signal.h>
-#include <dirent.h>
 #include <sys/time.h>
-#include <openssl/rc4.h>
 #include <regex.h>
 #include <osl.h>
 #include <stdbool.h>
@@ -435,7 +434,7 @@ err:
        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;
@@ -449,6 +448,10 @@ 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]);
        }
@@ -463,12 +466,6 @@ 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 = {
@@ -492,11 +489,11 @@ 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();
 
@@ -509,24 +506,28 @@ 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_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), ret = 1;
+       int uptime = get_server_uptime(now);
 
        if (prev_events != mmd->events)
                goto out;
@@ -541,11 +542,8 @@ out:
        prev_uptime = uptime;
        prev_events = mmd->events;
        mmd->vss_status_flags = mmd->new_vss_status_flags;
-       if (ret) {
-               PARA_DEBUG_LOG("%d events, forcing status update\n",
-                       mmd->events);
-               killpg(0, SIGUSR1);
-       }
+       PARA_DEBUG_LOG("%d events, forcing status update\n", mmd->events);
+       killpg(0, SIGUSR1);
 }
 
 static int server_select(int max_fileno, fd_set *readfds, fd_set *writefds,