mirror of
https://github.com/owntone/owntone-server.git
synced 2025-03-31 01:33:44 -04:00
General main.c cleanup
This commit is contained in:
Julien BLACHE
parent
64cd2ee383
commit
6e64e54429
197
src/main.c
197
src/main.c
@ -19,67 +19,32 @@
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/**
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* @file main.c
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*
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* Driver for mt-daapd, including the main() function. This
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* is responsible for kicking off the initial mp3 scan, starting
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* up the signal handler, starting up the webserver, and waiting
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* around for external events to happen (like a request to rescan,
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* or a background rescan to take place.)
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*
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* It also contains the daap handling callback for the webserver.
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* This should almost certainly be somewhere else, and is in
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* desparate need of refactoring, but somehow continues to be in
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* this files.
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*/
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/** @mainpage mt-daapd
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* @section about_section About
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*
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* This is mt-daapd, an attempt to create an iTunes server for
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* linux and other POSIXish systems. Maybe even Windows with cygwin,
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* eventually.
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*
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* You might check these locations for more info:
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* - <a href="http://www.mt-daapd.org">Home page</a>
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* - <a href="http://sf.net/projects/mt-daapd">Project page on SourceForge</a>
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*
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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# include <config.h>
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#endif
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#include <errno.h>
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#include <fcntl.h>
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#include <limits.h>
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#include <pthread.h>
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#include <signal.h>
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#include <stdarg.h>
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#ifdef HAVE_STDINT_H
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#include <stdint.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#ifdef HAVE_DIRENT_H
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#include <dirent.h>
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#endif
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#include <errno.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#ifdef HAVE_SYS_WAIT_H
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#include <sys/wait.h>
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#endif
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#include <sys/signalfd.h>
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#include <signal.h>
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#include <limits.h>
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#include <pwd.h>
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#include <grp.h>
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#include <sys/signalfd.h>
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#include <pthread.h>
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#include <getopt.h>
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#include <event.h>
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#include <libavformat/avformat.h>
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#include "conffile.h"
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#include "logger.h"
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#include "misc.h"
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@ -88,52 +53,24 @@
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#include "db-generic.h"
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#include "mdns_avahi.h"
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#ifdef HAVE_GETOPT_H
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# include "getopt.h"
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#endif
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#include <event.h>
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#include <libavformat/avformat.h>
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/** Seconds to sleep before checking for a shutdown or reload */
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#define MAIN_SLEEP_INTERVAL 2
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/** Let's hope if you have no atoll, you only have 32 bit inodes... */
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#if !HAVE_ATOLL
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# define atoll(a) atol(a)
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#endif
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#ifndef PIDFILE
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#define PIDFILE "/var/run/mt-daapd.pid"
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#endif
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/*
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* Globals
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*/
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struct event_base *evbase_main;
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static int main_exit;
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/*
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* Forwards
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*/
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static void usage(char *program);
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/**
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* Print usage information to stdout
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*
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* \param program name of program (argv[0])
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*/
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void usage(char *program) {
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static void
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usage(char *program)
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{
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printf("Usage: %s [options]\n\n",program);
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printf("Options:\n");
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printf(" -d <number> Log level (0-5)\n");
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printf(" -D <dom,dom..> Log domains\n");
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printf(" -c <file> Use configfile specified\n");
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printf(" -P <file> Write the PID to specified file\n");
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printf(" -c <file> Use <file> as the configfile\n");
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printf(" -P <file> Write PID to specified file\n");
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printf(" -f Run in foreground\n");
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printf(" -y Yes, go ahead and run as non-root user\n");
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printf(" -y Start even if user is not root\n");
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printf(" -b <id> ffid to be broadcast\n");
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printf(" -v Display version information\n");
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printf("\n\n");
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@ -142,7 +79,6 @@ void usage(char *program) {
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printf("\n\n");
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}
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static int
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daemonize(int background, char *runas, char *pidfile)
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{
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@ -270,12 +206,12 @@ signal_cb(int fd, short event, void *arg)
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struct signalfd_siginfo info;
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int status;
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sa_ign.sa_handler=SIG_IGN;
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sa_ign.sa_flags=0;
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sa_ign.sa_handler = SIG_IGN;
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sa_ign.sa_flags = 0;
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sigemptyset(&sa_ign.sa_mask);
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sa_dfl.sa_handler=SIG_DFL;
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sa_dfl.sa_flags=0;
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sa_dfl.sa_handler = SIG_DFL;
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sa_dfl.sa_flags = 0;
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sigemptyset(&sa_dfl.sa_mask);
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while (read(fd, &info, sizeof(struct signalfd_siginfo)) > 0)
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@ -309,37 +245,22 @@ signal_cb(int fd, short event, void *arg)
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event_base_loopbreak(evbase_main);
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}
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/**
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* Kick off the daap server and wait for events.
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*
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* This starts the initial db scan, sets up the signal
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* handling, starts the webserver, then sits back and waits
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* for events, as notified by the signal handler and the
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* web interface. These events are communicated via flags
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* in the config structure.
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*
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* \param argc count of command line arguments
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* \param argv command line argument pointers
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* \returns 0 on success, -1 otherwise
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*
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* \todo split out a ws_init and ws_start, so that the
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* web space handlers can be registered before the webserver
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* starts.
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*
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*/
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int main(int argc, char *argv[]) {
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int
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main(int argc, char **argv)
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{
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int option;
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char *configfile=CONFFILE;
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int reload=0;
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char *configfile = CONFFILE;
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int reload = 0;
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int background;
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int force_non_root=0;
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int skip_initial=1;
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int force_non_root = 0;
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int skip_initial = 1;
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cfg_t *lib;
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char *runas, *tmp;
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int port;
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char *servername;
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char *ffid = NULL;
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char *perr=NULL;
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char *perr = NULL;
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char *txtrecord[10];
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char *pidfile = PIDFILE;
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sigset_t sigs;
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@ -348,22 +269,26 @@ int main(int argc, char *argv[]) {
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int ret;
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int i;
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int err;
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int loglevel = -1;
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char *logdomains = NULL;
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char *logfile = NULL;
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background = 1;
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while((option=getopt(argc,argv,"D:d:c:P:frysiub:v")) != -1) {
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switch(option) {
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while ((option = getopt(argc, argv, "D:d:c:P:frysiub:v")) != -1)
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{
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switch (option)
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{
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case 'b':
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ffid=optarg;
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ffid = optarg;
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break;
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case 'd':
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loglevel = atoi(optarg);
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ret = safe_atoi(optarg, &i);
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if (ret < 0)
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fprintf(stderr, "Error: loglevel must be an integer in '-d %s'\n", optarg);
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else
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loglevel = i;
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break;
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case 'D':
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@ -375,7 +300,7 @@ int main(int argc, char *argv[]) {
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break;
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case 'c':
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configfile=optarg;
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configfile = optarg;
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break;
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case 'P':
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@ -383,19 +308,19 @@ int main(int argc, char *argv[]) {
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break;
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case 'r':
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reload=1;
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reload = 1;
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break;
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case 's':
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skip_initial=0;
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skip_initial = 0;
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break;
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case 'y':
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force_non_root=1;
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force_non_root = 1;
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break;
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case 'v':
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fprintf(stderr,"Firefly Media Server: Version %s\n",VERSION);
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fprintf(stdout, "Firefly Media Server: Version %s\n",VERSION);
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exit(EXIT_SUCCESS);
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break;
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@ -406,8 +331,9 @@ int main(int argc, char *argv[]) {
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}
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}
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if((getuid()) && (!force_non_root)) {
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fprintf(stderr,"You are not root. This is almost certainly wrong. "
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if ((getuid() != 0) && (!force_non_root))
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{
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fprintf(stderr, "You are not root. This is almost certainly wrong. "
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"If you are\nsure you want to do this, use the -y "
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"command-line switch\n");
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exit(EXIT_FAILURE);
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@ -500,10 +426,11 @@ int main(int argc, char *argv[]) {
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}
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/* this will require that the db be readable by the runas user */
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err = db_open(&perr, "sqlite3", "/var/cache/mt-daapd"); /* FIXME */
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ret = db_open(&perr, "sqlite3", "/var/cache/mt-daapd"); /* FIXME */
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if(err) {
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DPRINTF(E_LOG,L_MAIN,"Error opening db: %s\n",perr);
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if (ret != 0)
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{
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DPRINTF(E_FATAL, L_MAIN, "Error opening db: %s\n", perr);
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mdns_deinit();
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conffile_unload();
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@ -512,9 +439,10 @@ int main(int argc, char *argv[]) {
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}
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/* Initialize the database before starting */
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DPRINTF(E_LOG,L_MAIN,"Initializing database\n");
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if(db_init(reload)) {
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DPRINTF(E_FATAL,L_MAIN,"Error in db_init: %s\n",strerror(errno));
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DPRINTF(E_INFO, L_MAIN, "Initializing database\n");
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if (db_init(reload))
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{
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DPRINTF(E_FATAL, L_MAIN, "Error in db_init: %s\n", strerror(errno));
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}
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/* Spawn file scanner thread */
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@ -624,7 +552,7 @@ int main(int argc, char *argv[]) {
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/* Run the loop */
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event_base_dispatch(evbase_main);
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DPRINTF(E_LOG,L_MAIN,"Stopping gracefully\n");
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DPRINTF(E_LOG, L_MAIN, "Stopping gracefully\n");
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DPRINTF(E_LOG, L_MAIN, "HTTPd deinit\n");
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httpd_deinit();
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@ -637,7 +565,7 @@ int main(int argc, char *argv[]) {
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conffile_unload();
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DPRINTF(E_LOG,L_MAIN,"Closing database\n");
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DPRINTF(E_LOG, L_MAIN, "Closing database\n");
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db_deinit();
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if (background)
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@ -647,10 +575,9 @@ int main(int argc, char *argv[]) {
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DPRINTF(E_WARN, L_MAIN, "Could not unlink PID file %s: %s\n", pidfile, strerror(errno));
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}
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DPRINTF(E_LOG,L_MAIN,"Done!\n");
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DPRINTF(E_LOG, L_MAIN, "Exiting.\n");
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logger_deinit();
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return EXIT_SUCCESS;
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}
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