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Add new option: -P or --pause sends a pause request to the source.

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This commit is contained in:
Mike Brady
2014-09-27 18:34:44 +01:00
parent 7a3c9e8b46
commit 53f166a62f
1 changed files with 17 additions and 2 deletions
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shairport.c
+17 -2
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@@ -24,6 +24,7 @@
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include <sys/types.h>
#include <signal.h>
#include <errno.h>
#include <unistd.h>
@@ -159,6 +160,7 @@ void usage(char *progname) {
printf(" \"soxr\" option only available if built with soxr support.\n");
printf(" -d, --daemon daemonise.\n");
printf(" -k, --kill kill the existing shairport daemon.\n");
printf(" -P, --pause send a pause request to the audio source.\n");
printf(" -B, --on-start=PROGRAM run PROGRAM when playback is about to begin.\n");
printf(" -E, --on-stop=PROGRAM run PROGRAM when playback has ended.\n");
printf(" For -B and -E options, specify the full path to the program, e.g. /usr/bin/logger.\n");
@@ -186,6 +188,7 @@ int parse_options(int argc, char **argv) {
{"version", no_argument, NULL, 'V'},
{"verbose", no_argument, NULL, 'v'},
{"daemon", no_argument, NULL, 'd'},
{"pause", no_argument, NULL, 'P'},
{"kill", no_argument, NULL, 'k'},
{"port", required_argument, NULL, 'p'},
{"name", required_argument, NULL, 'a'},
@@ -205,10 +208,10 @@ int parse_options(int argc, char **argv) {
int opt;
while ((opt = getopt_long(argc, argv,
"+hdvVkp:a:o:b:B:E:wm:L:S:A:i:r:t:",
"+hdvVPkp:a:o:b:B:E:wm:L:S:A:i:r:t:",
long_options, NULL)) > 0) {
switch (opt) {
// Note -- Version, Kill and Help done separately
// Note -- Version, Kill, Pause and Help done separately
default:
case 't':
config.timeout = atoi(optarg);
@@ -347,6 +350,18 @@ int main(int argc, char **argv) {
/* Set indentification string for the daemon for both syslog and PID file */
daemon_pid_file_ident = daemon_log_ident = daemon_ident_from_argv0(argv[0]);
/* Check if we are called with -P or --pause parameter */
if (argc >= 2 && ((strcmp(argv[1], "-P")==0) || (strcmp(argv[1], "--pause")==0))) {
if ((pid = daemon_pid_file_is_running()) >= 0) {
if (kill(pid,SIGUSR2)!=0) { // try to send the signal
daemon_log(LOG_WARNING, "Failed trying to send pause request to daemon pid: %d: %s",pid, strerror(errno));
}
} else {
daemon_log(LOG_WARNING, "Can't send a pause request -- Failed to find daemon: %s", strerror(errno));
}
exit(1);
}
/* Check if we are called with -k or --kill parameter */
if (argc >= 2 && ((strcmp(argv[1], "-k")==0) || (strcmp(argv[1], "--kill")==0))) {
int ret;