diff options
Diffstat (limited to 'apps/app_waitforring.c')
-rwxr-xr-x | apps/app_waitforring.c | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/apps/app_waitforring.c b/apps/app_waitforring.c new file mode 100755 index 000000000..06a18a7d8 --- /dev/null +++ b/apps/app_waitforring.c @@ -0,0 +1,130 @@ +/* + * Asterisk -- A telephony toolkit for Linux. + * + * Wait for Ring Application + * + * Copyright (C) 2003, Digium + * + * Mark Spencer <markster@linux-support.net> + * + * This program is free software, distributed under the terms of + * the GNU General Public License + */ + +#include <asterisk/file.h> +#include <asterisk/logger.h> +#include <asterisk/channel.h> +#include <asterisk/pbx.h> +#include <asterisk/module.h> +#include <asterisk/options.h> +#include <stdlib.h> +#include <unistd.h> +#include <string.h> +#include <stdlib.h> + +#include <pthread.h> + + +static char *synopsis = "Wait for Ring Application"; + +static char *tdesc = "Waits until first ring after time"; + +static char *desc = " WaitForRing(timeout)\n" +"Returns 0 after waiting at least timeout seconds. and\n" +"only after the next ring has completed. Returns 0 on\n" +"success or -1 on hangup\n"; + +static char *app = "WaitForRing"; + +STANDARD_LOCAL_USER; + +LOCAL_USER_DECL; + +static int waitforring_exec(struct ast_channel *chan, void *data) +{ + struct localuser *u; + struct ast_frame *f; + int res = 0; + int ms; + if (!data || (sscanf(data, "%d", &ms) != 1)) { + ast_log(LOG_WARNING, "SoftHangup requires an argument (minimum seconds)\n"); + return 0; + } + ms *= 1000; + LOCAL_USER_ADD(u); + while(ms > 0) { + ms = ast_waitfor(chan, ms); + if (ms < 0) { + res = ms; + break; + } + if (ms > 0) { + f = ast_read(chan); + if (!f) { + res = -1; + break; + } + if ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_RING)) { + if (option_verbose > 2) + ast_verbose(VERBOSE_PREFIX_3 "Got a ring but still waiting for timeout\n"); + } + ast_frfree(f); + } + } + /* Now we're really ready for the ring */ + if (!res) { + ms = 99999999; + while(ms > 0) { + ms = ast_waitfor(chan, ms); + if (ms < 0) { + res = ms; + break; + } + if (ms > 0) { + f = ast_read(chan); + if (!f) { + res = -1; + break; + } + if ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_RING)) { + if (option_verbose > 2) + ast_verbose(VERBOSE_PREFIX_3 "Got a ring after the timeout\n"); + ast_frfree(f); + break; + } + ast_frfree(f); + } + } + } + LOCAL_USER_REMOVE(u); + + return res; +} + +int unload_module(void) +{ + STANDARD_HANGUP_LOCALUSERS; + return ast_unregister_application(app); +} + +int load_module(void) +{ + return ast_register_application(app, waitforring_exec, synopsis, desc); +} + +char *description(void) +{ + return tdesc; +} + +int usecount(void) +{ + int res; + STANDARD_USECOUNT(res); + return res; +} + +char *key() +{ + return ASTERISK_GPL_KEY; +} |