be more carful wrt. signed vs. unsigned argument passing

[paraslash.git] / server.c

diff --git a/server.c b/server.c
index 2cbc5a7197e11ebc0305e97c218976e728745e54..c25786e33bc02fa4478430243182909e40c2b896 100644 (file)
--- a/server.c
+++ b/server.c
@@ -1,5 +1,5 @@
 /*
- * 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
@@ -30,9 +30,9 @@
 
 
 #include "server.cmdline.h"
-#include "db.h"
-#include "server.h"
 #include "afs.h"
+#include "server.h"
+#include "vss.h"
 #include "config.h"
 #include "close_on_fork.h"
 #include "send.h"
@@ -42,6 +42,7 @@
 #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 +51,23 @@ 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 +190,8 @@ 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:
@@ -319,8 +328,9 @@ 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 +358,7 @@ 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 +370,9 @@ 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();
@@ -410,7 +421,7 @@ 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;
@@ -418,7 +429,7 @@ 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);
@@ -426,8 +437,14 @@ 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[])
 {
@@ -448,7 +465,7 @@ 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)
@@ -477,7 +494,7 @@ repeat:
                        continue;
                senders[i].post_select(&rfds, &wfds);
        }
-       afs_send_chunk();
+       vss_send_chunk();
        status_refresh();
        if (FD_ISSET(signal_pipe, &rfds)) {
                int sig;