Rename afs.[ch] to afs_common.[ch].

[paraslash.git] / server.c

diff --git a/server.c b/server.c
index 7a96eeff76c039ba2a01e84ffc9c232fd057d27d..e39354e769ec04dc629c63f0bd590df30893dc8d 100644 (file)
--- a/server.c
+++ b/server.c
@@ -1,19 +1,7 @@
 /*
- * Copyright (C) 1997-2006 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 1997-2007 Andre Noll <maan@systemlinux.org>
  *
- *     This program is free software; you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation; either version 2 of the License, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program; if not, write to the Free Software
- *     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
+ * Licensed under the GPL v2. For licencing details see COPYING.
  */
 
 /** \file server.c Paraslash's main server */
@@ -30,9 +18,9 @@
 
 
 #include "server.cmdline.h"
-#include "db.h"
+#include "afs_common.h"
 #include "server.h"
-#include "afs.h"
+#include "vss.h"
 #include "config.h"
 #include "close_on_fork.h"
 #include "send.h"
@@ -42,6 +30,7 @@
 #include "string.h"
 #include "ipc.h"
 #include "fd.h"
+#include "signal.h"
 #include "user_list.h"
 
 /** define the array of error lists needed by para_server */
@@ -50,15 +39,23 @@ INIT_SERVER_ERRLISTS;
 /** shut down non-authorized connections after that many seconds */
 #define ALARM_TIMEOUT 10
 
-/* these are exported to afs.c. command.c and to all selectors */
+/**
+ * pointer to shared memory area for communication between para_server
+ * and its children. exported to vss.c. command.c and to all selectors.
+ */
 struct misc_meta_data *mmd;
-/** the configuration of para_server
+
+/**
+ * the configuration of para_server
  *
- * It also contains the options for all audio file selectors and all supported
- * senders.
-*/
+ * It also contains the options for all audio file selectors, audio format handler
+ * and all supported senders.
+ */
 struct server_args_info conf;
+
+/** the file containing user information (public key, permissions) */
 char *user_list_file = NULL;
+
 extern void dccp_send_init(struct sender *);
 extern void http_send_init(struct sender *);
 extern void ortp_send_init(struct sender *);
@@ -181,8 +178,8 @@ static void shm_init(void)
        mmd->active_connections = 0;
        strcpy(mmd->filename, "(none)");
        mmd->audio_format = -1;
-       mmd->afs_status_flags = AFS_NEXT;
-       mmd->new_afs_status_flags = AFS_NEXT;
+       mmd->vss_status_flags = VSS_NEXT;
+       mmd->new_vss_status_flags = VSS_NEXT;
        mmd->sender_cmd_data.cmd_num = -1;
        return;
 err_out:
@@ -235,7 +232,13 @@ static void parse_config(int override)
        }
        if (!ret) {
                int tmp = conf.daemon_given;
-               server_cmdline_parser_configfile(cf, &conf, override, 0, 0);
+               struct server_cmdline_parser_params params = {
+                       .override = override,
+                       .initialize = 0,
+                       .check_required = 0,
+                       .check_ambiguity = 0
+               };
+               server_cmdline_parser_config_file(cf, &conf, &params);
                conf.daemon_given = tmp;
        }
        /* logfile */
@@ -319,8 +322,9 @@ err:
 
 static void init_random_seed(void)
 {
-       int fd, ret = -1, len = sizeof(unsigned int);
+       int fd, ret = -1;
        unsigned int seed;
+       size_t len = sizeof(unsigned int);
 
        fd = open("/dev/urandom", O_RDONLY);
        if (fd < 0)
@@ -348,6 +352,7 @@ static unsigned do_inits(int argc, char **argv)
        init_random_seed();
        /* parse command line options */
        server_cmdline_parser(argc, argv, &conf);
+       HANDLE_VERSION_FLAG("server", conf);
        para_drop_privileges(conf.user_arg, conf.group_arg);
        /* parse config file, open log and set defaults */
        parse_config(0);
@@ -359,9 +364,9 @@ static unsigned do_inits(int argc, char **argv)
        if (conf.daemon_given)
                daemon_init();
        init_selector();
-       PARA_NOTICE_LOG("%s", "initializing audio file sender\n");
-       /* audio file sender */
-       afs_init();
+//     PARA_ERROR_LOG("num: %d\n", mmd->selector_num);
+       PARA_NOTICE_LOG("%s", "initializing virtual streaming system\n");
+       vss_init();
        mmd->server_pid = getpid();
        setup_signal_handling();
        mmd_lock();
@@ -400,6 +405,7 @@ static void handle_sighup(void)
        parse_config(1); /* reopens log */
        mmd->selector_change = mmd->selector_num; /* do not change selector.. */
        change_selector(); /* .. just reload */
+       init_user_list(user_list_file); /* reload user list */
 }
 
 static void status_refresh(void)
@@ -409,7 +415,7 @@ static void status_refresh(void)
 
        if (prev_events != mmd->events)
                goto out;
-       if (mmd->new_afs_status_flags != mmd->afs_status_flags)
+       if (mmd->new_vss_status_flags != mmd->vss_status_flags)
                goto out;
        if (uptime / 60 != prev_uptime / 60)
                goto out;
@@ -417,7 +423,7 @@ static void status_refresh(void)
 out:
        prev_uptime = uptime;
        prev_events = mmd->events;
-       mmd->afs_status_flags = mmd->new_afs_status_flags;
+       mmd->vss_status_flags = mmd->new_vss_status_flags;
        if (ret) {
                PARA_DEBUG_LOG("%d events, forcing status update, af = %d\n",
                        mmd->events, mmd->audio_format);
@@ -425,8 +431,14 @@ out:
        }
 }
 
-/*
- * MAIN
+/**
+ * the main function of para_server
+ *
+ * \param argc usual argument count
+ * \param argv usual argument vector
+ *
+ * \return EXIT_SUCCESS or EXIT_FAILURE
+ *
  */
 int main(int argc, char *argv[])
 {
@@ -447,7 +459,7 @@ repeat:
        /* check socket and signal pipe in any case */
        para_fd_set(sockfd, &rfds, &max_fileno);
        para_fd_set(signal_pipe, &rfds, &max_fileno);
-       timeout = afs_preselect();
+       timeout = vss_preselect();
        status_refresh();
        for (i = 0; senders[i].name; i++) {
                if (senders[i].status != SENDER_ON)
@@ -476,7 +488,7 @@ repeat:
                        continue;
                senders[i].post_select(&rfds, &wfds);
        }
-       afs_send_chunk();
+       vss_send_chunk();
        status_refresh();
        if (FD_ISSET(signal_pipe, &rfds)) {
                int sig;