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https://github.com/asterisk/asterisk.git
synced 2025-09-05 20:20:07 +00:00
remove local channel finding wrappers
move guts of dialplan application into separate function, so it can be shared bythe new application i'm about to add :-) git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@38374 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Kevin P. Fleming
@@ -51,8 +51,6 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include "asterisk/module.h"
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#include "asterisk/lock.h"
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AST_MUTEX_DEFINE_STATIC(modlock);
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#define AST_NAME_STRLEN 256
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static const char *tdesc = "Listen to the audio of an active channel";
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@@ -115,34 +113,6 @@ struct chanspy_translation_helper {
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int volfactor;
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};
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static struct ast_channel *local_channel_walk(struct ast_channel *chan)
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{
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struct ast_channel *ret;
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ast_mutex_lock(&modlock);
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if ((ret = ast_channel_walk_locked(chan)))
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ast_mutex_unlock(&ret->lock);
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ast_mutex_unlock(&modlock);
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return ret;
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}
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static struct ast_channel *local_get_channel_begin_name(char *name)
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{
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struct ast_channel *ret;
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ast_mutex_lock(&modlock);
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if ((ret = ast_get_channel_by_name_prefix_locked(name, strlen(name))))
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ast_mutex_unlock(&ret->lock);
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ast_mutex_unlock(&modlock);
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return ret;
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}
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static void *spy_alloc(struct ast_channel *chan, void *data)
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{
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/* just store the data pointer in the channel structure */
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@@ -344,89 +314,33 @@ static int channel_spy(struct ast_channel *chan, struct ast_channel *spyee, int
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return running;
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}
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static int chanspy_exec(struct ast_channel *chan, void *data)
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static struct ast_channel *next_channel(const struct ast_channel *last)
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{
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struct localuser *u;
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struct ast_channel *peer, *prev;
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char name[AST_NAME_STRLEN],
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peer_name[AST_NAME_STRLEN + 5],
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*ptr,
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*options = NULL,
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*spec = NULL,
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*argv[5],
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*mygroup = NULL,
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*recbase = NULL;
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int res = -1,
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volfactor,
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silent = 0,
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argc,
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bronly = 0,
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waitms,
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num,
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oldwf,
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fd = 0;
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struct ast_flags flags;
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struct ast_channel *this;
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if ((this = ast_channel_walk_locked(last)))
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ast_channel_unlock(this);
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return this;
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}
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static int common_exec(struct ast_channel *chan, const int silent, const int bronly,
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int volfactor, const int fd, const char *spec, const char *mygroup)
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{
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struct ast_channel *peer, *prev, *next;
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char nameprefix[AST_NAME_STRLEN];
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char peer_name[AST_NAME_STRLEN + 5];
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signed char zero_volume = 0;
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int waitms;
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int res;
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char *ptr;
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int num;
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data = ast_strdupa(data);
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LOCAL_USER_ADD(u);
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oldwf = chan->writeformat;
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if (ast_set_write_format(chan, AST_FORMAT_SLINEAR) < 0) {
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ast_log(LOG_ERROR, "Could Not Set Write Format.\n");
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LOCAL_USER_REMOVE(u);
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return -1;
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}
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ast_answer(chan);
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if (chan->_state != AST_STATE_UP)
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ast_answer(chan);
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ast_set_flag(chan, AST_FLAG_SPYING); /* so nobody can spy on us while we are spying */
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if ((argc = ast_app_separate_args(data, '|', argv, sizeof(argv) / sizeof(argv[0])))) {
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spec = argv[0];
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if (argc > 1) {
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options = argv[1];
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}
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if (ast_strlen_zero(spec) || !strcmp(spec, "all")) {
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spec = NULL;
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}
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}
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if (options) {
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char *opts[OPT_ARG_ARRAY_SIZE];
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ast_app_parse_options(chanspy_opts, &flags, opts, options);
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if (ast_test_flag(&flags, OPTION_GROUP))
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mygroup = opts[OPT_ARG_GROUP];
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if (ast_test_flag(&flags, OPTION_RECORD) &&
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!(recbase = opts[OPT_ARG_RECORD]))
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recbase = "chanspy";
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silent = ast_test_flag(&flags, OPTION_QUIET);
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bronly = ast_test_flag(&flags, OPTION_BRIDGED);
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if (ast_test_flag(&flags, OPTION_VOLUME) && opts[OPT_ARG_VOLUME]) {
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int vol;
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if ((sscanf(opts[OPT_ARG_VOLUME], "%d", &vol) != 1) || (vol > 4) || (vol < -4))
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ast_log(LOG_NOTICE, "Volume factor must be a number between -4 and 4\n");
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else
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volfactor = vol;
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}
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}
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if (recbase) {
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char filename[512];
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snprintf(filename, sizeof(filename), "%s/%s.%d.raw", ast_config_AST_MONITOR_DIR, recbase, (int) time(NULL));
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if ((fd = open(filename, O_CREAT | O_WRONLY | O_TRUNC, 0644)) <= 0) {
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ast_log(LOG_WARNING, "Cannot open '%s' for recording\n", filename);
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fd = 0;
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}
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}
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waitms = 100;
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for (;;) {
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@@ -448,10 +362,11 @@ static int chanspy_exec(struct ast_channel *chan, void *data)
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/* reset for the next loop around, unless overridden later */
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waitms = 100;
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peer = prev = next = NULL;
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for (peer = local_channel_walk(NULL), prev = NULL;
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for (peer = next_channel(peer);
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peer;
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peer = local_channel_walk(peer)) {
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prev = peer, peer = next ? next : next_channel(peer), next = NULL) {
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const char *group;
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int igrp = 0;
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char *groups[25];
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@@ -517,31 +432,110 @@ static int chanspy_exec(struct ast_channel *chan, void *data)
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}
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waitms = 5000;
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prev = peer;
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res = channel_spy(chan, peer, &volfactor, fd);
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if (res == -1) {
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break;
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} else if (res > 1 && spec) {
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snprintf(name, AST_NAME_STRLEN, "%s/%d", spec, res);
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if ((peer = local_get_channel_begin_name(name)))
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prev = NULL;
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continue;
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snprintf(nameprefix, AST_NAME_STRLEN, "%s/%d", spec, res);
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if ((next = ast_get_channel_by_name_prefix_locked(nameprefix, strlen(nameprefix)))) {
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ast_channel_unlock(next);
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} else {
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/* stay on this channel */
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next = peer;
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}
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peer = NULL;
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}
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}
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}
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ast_clear_flag(chan, AST_FLAG_SPYING);
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ast_channel_setoption(chan, AST_OPTION_TXGAIN, &zero_volume, sizeof(zero_volume), 0);
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return res;
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}
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static int chanspy_exec(struct ast_channel *chan, void *data)
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{
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struct localuser *u;
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char *options = NULL;
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char *spec = NULL;
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char *argv[5];
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char *mygroup = NULL;
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char *recbase = NULL;
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int fd = 0;
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struct ast_flags flags;
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int oldwf = 0;
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int argc = 0;
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int silent = 0;
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int bronly = 0;
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int volfactor = 0;
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int res;
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data = ast_strdupa(data);
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LOCAL_USER_ADD(u);
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if ((argc = ast_app_separate_args(data, '|', argv, sizeof(argv) / sizeof(argv[0])))) {
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spec = argv[0];
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if (argc > 1) {
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options = argv[1];
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}
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if (ast_strlen_zero(spec) || !strcmp(spec, "all")) {
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spec = NULL;
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}
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}
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if (options) {
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char *opts[OPT_ARG_ARRAY_SIZE];
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ast_app_parse_options(chanspy_opts, &flags, opts, options);
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if (ast_test_flag(&flags, OPTION_GROUP))
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mygroup = opts[OPT_ARG_GROUP];
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if (ast_test_flag(&flags, OPTION_RECORD) &&
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!(recbase = opts[OPT_ARG_RECORD]))
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recbase = "chanspy";
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silent = ast_test_flag(&flags, OPTION_QUIET);
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bronly = ast_test_flag(&flags, OPTION_BRIDGED);
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if (ast_test_flag(&flags, OPTION_VOLUME) && opts[OPT_ARG_VOLUME]) {
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int vol;
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if ((sscanf(opts[OPT_ARG_VOLUME], "%d", &vol) != 1) || (vol > 4) || (vol < -4))
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ast_log(LOG_NOTICE, "Volume factor must be a number between -4 and 4\n");
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else
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volfactor = vol;
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}
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}
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oldwf = chan->writeformat;
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if (ast_set_write_format(chan, AST_FORMAT_SLINEAR) < 0) {
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ast_log(LOG_ERROR, "Could Not Set Write Format.\n");
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LOCAL_USER_REMOVE(u);
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return -1;
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}
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if (recbase) {
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char filename[512];
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snprintf(filename, sizeof(filename), "%s/%s.%d.raw", ast_config_AST_MONITOR_DIR, recbase, (int) time(NULL));
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if ((fd = open(filename, O_CREAT | O_WRONLY | O_TRUNC, 0644)) <= 0) {
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ast_log(LOG_WARNING, "Cannot open '%s' for recording\n", filename);
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fd = 0;
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}
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}
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res = common_exec(chan, silent, bronly, volfactor, fd, mygroup, spec);
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if (fd)
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close(fd);
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if (oldwf && ast_set_write_format(chan, oldwf) < 0)
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ast_log(LOG_ERROR, "Could Not Set Write Format.\n");
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ast_clear_flag(chan, AST_FLAG_SPYING);
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ast_channel_setoption(chan, AST_OPTION_TXGAIN, &zero_volume, sizeof(zero_volume), 0);
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LOCAL_USER_REMOVE(u);
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return res;
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