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clean up code, fix a few bugs

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6396 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Kevin P. Fleming
2005-08-24 23:10:55 +00:00
parent 0bd1861df8
commit e979e32374
1 changed files with 62 additions and 53 deletions
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115
apps/app_externalivr.c
View File

@@ -48,11 +48,7 @@ static const char *descrip =
"when the channel is hung up.\n"
"See doc/README.externalivr for a protocol specification.\n";
#define ast_chan_log(level, channel, format, ...) ast_log(level, "%s: " format, channel, ## __VA_ARGS__)
#define send_child_event(fd, event) fprintf(fd, "%c,%10ld\n", event, time(NULL))
#define send_child_event_data(fd, event, data) fprintf(fd, "%c,%10ld,%s\n", event, time(NULL), data)
#define ast_chan_log(level, channel, format, ...) ast_log(level, "%s: " format, channel->name, ## __VA_ARGS__)
struct playlist_entry {
AST_LIST_ENTRY(playlist_entry) list;
@@ -78,6 +74,21 @@ struct gen_state {
int sample_queue;
};
static void send_child_event(FILE *handle, const char event, const char *data,
const struct ast_channel *chan)
{
char tmp[256];
if (!data) {
snprintf(tmp, sizeof(tmp), "%c,%10ld", event, time(NULL));
} else {
snprintf(tmp, sizeof(tmp), "%c,%10ld,%s", event, time(NULL), data);
}
fprintf(handle, "%s\n", tmp);
ast_chan_log(LOG_DEBUG, chan, "sent '%s'\n", tmp);
}
static void *gen_alloc(struct ast_channel *chan, void *params)
{
struct localuser *u = params;
@@ -114,35 +125,24 @@ static void gen_release(struct ast_channel *chan, void *data)
/* caller has the playlist locked */
static int gen_nextfile(struct gen_state *state)
{
struct playlist_entry *entry;
struct localuser *u = state->u;
char *file_to_stream;
u->list_cleared = 0;
u->playing_silence = 0;
gen_closestream(state);
if (state->current) {
if (!u->playing_silence) {
AST_LIST_LOCK(&u->finishlist);
AST_LIST_INSERT_TAIL(&u->finishlist, state->current, list);
AST_LIST_UNLOCK(&u->finishlist);
}
state->current = NULL;
}
while (!state->stream) {
entry = AST_LIST_REMOVE_HEAD(&u->playlist, list);
if (entry) {
file_to_stream = entry->filename;
state->current = AST_LIST_REMOVE_HEAD(&u->playlist, list);
if (state->current) {
file_to_stream = state->current->filename;
} else {
file_to_stream = "silence-10";
u->playing_silence = 1;
}
state->current = entry;
if (!(state->stream = ast_openstream_full(u->chan, file_to_stream, u->chan->language, 1))) {
ast_chan_log(LOG_WARNING, u->chan->name, "File '%s' could not be opened: %s\n", file_to_stream, strerror(errno));
ast_chan_log(LOG_WARNING, u->chan, "File '%s' could not be opened: %s\n", file_to_stream, strerror(errno));
if (!u->playing_silence) {
continue;
} else {
@@ -168,6 +168,12 @@ static struct ast_frame *gen_readframe(struct gen_state *state)
}
if (!(state->stream && (f = ast_readframe(state->stream)))) {
if (state->current) {
AST_LIST_LOCK(&u->finishlist);
AST_LIST_INSERT_TAIL(&u->finishlist, state->current, list);
AST_LIST_UNLOCK(&u->finishlist);
state->current = NULL;
}
if (!gen_nextfile(state))
f = ast_readframe(state->stream);
}
@@ -190,7 +196,7 @@ static int gen_generate(struct ast_channel *chan, void *data, int len, int sampl
res = ast_write(chan, f);
ast_frfree(f);
if (res < 0) {
ast_chan_log(LOG_WARNING, chan->name, "Failed to write frame: %s\n", strerror(errno));
ast_chan_log(LOG_WARNING, chan, "Failed to write frame: %s\n", strerror(errno));
return -1;
}
state->sample_queue -= f->samples;
@@ -210,7 +216,7 @@ static struct playlist_entry *make_entry(const char *filename)
{
struct playlist_entry *entry;
entry = calloc(1, sizeof(*entry) + strlen(filename));
entry = calloc(1, sizeof(*entry) + strlen(filename) + 10);
if (!entry)
return NULL;
@@ -246,6 +252,7 @@ static int app_exec(struct ast_channel *chan, void *data)
buf = ast_strdupa(data);
command = strsep(&buf, "|");
memset(argv, 0, sizeof(argv) / sizeof(argv[0]));
argv[0] = command;
while ((argc < 31) && (argv[argc++] = strsep(&buf, "|")));
argv[argc] = NULL;
@@ -253,17 +260,17 @@ static int app_exec(struct ast_channel *chan, void *data)
LOCAL_USER_ADD(u);
if (pipe(child_stdin)) {
ast_chan_log(LOG_WARNING, chan->name, "Could not create pipe for child input: %s\n", strerror(errno));
ast_chan_log(LOG_WARNING, chan, "Could not create pipe for child input: %s\n", strerror(errno));
goto exit;
}
if (pipe(child_stdout)) {
ast_chan_log(LOG_WARNING, chan->name, "Could not create pipe for child output: %s\n", strerror(errno));
ast_chan_log(LOG_WARNING, chan, "Could not create pipe for child output: %s\n", strerror(errno));
goto exit;
}
if (pipe(child_stderr)) {
ast_chan_log(LOG_WARNING, chan->name, "Could not create pipe for child errors: %s\n", strerror(errno));
ast_chan_log(LOG_WARNING, chan, "Could not create pipe for child errors: %s\n", strerror(errno));
goto exit;
}
@@ -276,7 +283,7 @@ static int app_exec(struct ast_channel *chan, void *data)
}
if (ast_activate_generator(chan, &gen, u) < 0) {
ast_chan_log(LOG_WARNING, chan->name, "Failed to activate generator\n");
ast_chan_log(LOG_WARNING, chan, "Failed to activate generator\n");
goto exit;
} else
gen_active = 1;
@@ -319,19 +326,19 @@ static int app_exec(struct ast_channel *chan, void *data)
close(child_stderr[1]);
if (!(child_events = fdopen(child_events_fd, "w"))) {
ast_chan_log(LOG_WARNING, chan->name, "Could not open stream for child events\n");
ast_chan_log(LOG_WARNING, chan, "Could not open stream for child events\n");
goto exit;
}
setvbuf(child_events, NULL, _IONBF, 0);
if (!(child_commands = fdopen(child_commands_fd, "r"))) {
ast_chan_log(LOG_WARNING, chan->name, "Could not open stream for child commands\n");
ast_chan_log(LOG_WARNING, chan, "Could not open stream for child commands\n");
goto exit;
}
if (!(child_errors = fdopen(child_errors_fd, "r"))) {
ast_chan_log(LOG_WARNING, chan->name, "Could not open stream for child errors\n");
ast_chan_log(LOG_WARNING, chan, "Could not open stream for child errors\n");
goto exit;
}
@@ -339,14 +346,14 @@ static int app_exec(struct ast_channel *chan, void *data)
while (1) {
if (ast_test_flag(chan, AST_FLAG_ZOMBIE)) {
ast_chan_log(LOG_NOTICE, chan->name, "Is a zombie\n");
ast_chan_log(LOG_NOTICE, chan, "Is a zombie\n");
res = -1;
break;
}
if (ast_check_hangup(chan)) {
ast_chan_log(LOG_NOTICE, chan->name, "Got check_hangup\n");
send_child_event(child_events, 'H');
ast_chan_log(LOG_NOTICE, chan, "Got check_hangup\n");
send_child_event(child_events, 'H', NULL, chan);
res = -1;
break;
}
@@ -361,7 +368,7 @@ static int app_exec(struct ast_channel *chan, void *data)
if (!AST_LIST_EMPTY(&u->finishlist)) {
AST_LIST_LOCK(&u->finishlist);
while ((entry = AST_LIST_REMOVE_HEAD(&u->finishlist, list))) {
send_child_event_data(child_events, 'F', entry->filename);
send_child_event(child_events, 'F', entry->filename, chan);
free(entry);
}
AST_LIST_UNLOCK(&u->finishlist);
@@ -371,29 +378,29 @@ static int app_exec(struct ast_channel *chan, void *data)
/* the channel has something */
f = ast_read(chan);
if (!f) {
ast_chan_log(LOG_NOTICE, chan->name, "Returned no frame\n");
send_child_event(child_events, 'H');
ast_chan_log(LOG_NOTICE, chan, "Returned no frame\n");
send_child_event(child_events, 'H', NULL, chan);
res = -1;
break;
}
if (f->frametype == AST_FRAME_DTMF) {
send_child_event(child_events, f->subclass);
send_child_event(child_events, f->subclass, NULL, chan);
if (u->option_autoclear) {
if (!u->playing_silence)
send_child_event(child_events, 'T');
send_child_event(child_events, 'T', NULL, chan);
AST_LIST_LOCK(&u->playlist);
while ((entry = AST_LIST_REMOVE_HEAD(&u->playlist, list))) {
if (!u->playing_silence)
send_child_event_data(child_events, 'D', entry->filename);
send_child_event(child_events, 'D', entry->filename, chan);
free(entry);
}
u->list_cleared = 1;
AST_LIST_UNLOCK(&u->playlist);
}
} else if ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_HANGUP)) {
ast_chan_log(LOG_NOTICE, chan->name, "Got AST_CONTROL_HANGUP\n");
send_child_event(child_events, 'H');
ast_chan_log(LOG_NOTICE, chan, "Got AST_CONTROL_HANGUP\n");
send_child_event(child_events, 'H', NULL, chan);
ast_frfree(f);
res = -1;
break;
@@ -403,7 +410,7 @@ static int app_exec(struct ast_channel *chan, void *data)
char input[1024];
if (exception || feof(child_commands)) {
ast_chan_log(LOG_WARNING, chan->name, "Child process went away\n");
ast_chan_log(LOG_WARNING, chan, "Child process went away\n");
res = -1;
break;
}
@@ -413,21 +420,23 @@ static int app_exec(struct ast_channel *chan, void *data)
command = ast_strip(input);
ast_chan_log(LOG_DEBUG, chan, "got command '%s'\n", input);
if (strlen(input) < 4)
continue;
if (input[0] == 'S') {
if (ast_fileexists(&input[2], NULL, NULL) == -1) {
ast_chan_log(LOG_WARNING, chan->name, "Unknown file requested '%s'\n", &input[2]);
send_child_event(child_events, 'Z');
ast_chan_log(LOG_WARNING, chan, "Unknown file requested '%s'\n", &input[2]);
send_child_event(child_events, 'Z', NULL, chan);
strcpy(&input[2], "exception");
}
if (!u->playing_silence)
send_child_event(child_events, 'T');
send_child_event(child_events, 'T', NULL, chan);
AST_LIST_LOCK(&u->playlist);
while ((entry = AST_LIST_REMOVE_HEAD(&u->playlist, list))) {
if (!u->playing_silence)
send_child_event_data(child_events, 'D', entry->filename);
send_child_event(child_events, 'D', entry->filename, chan);
free(entry);
}
u->list_cleared = 1;
@@ -437,8 +446,8 @@ static int app_exec(struct ast_channel *chan, void *data)
AST_LIST_UNLOCK(&u->playlist);
} else if (input[0] == 'A') {
if (ast_fileexists(&input[2], NULL, NULL) == -1) {
ast_chan_log(LOG_WARNING, chan->name, "Unknown file requested '%s'\n", &input[2]);
send_child_event(child_events, 'Z');
ast_chan_log(LOG_WARNING, chan, "Unknown file requested '%s'\n", &input[2]);
send_child_event(child_events, 'Z', NULL, chan);
strcpy(&input[2], "exception");
}
entry = make_entry(&input[2]);
@@ -448,8 +457,8 @@ static int app_exec(struct ast_channel *chan, void *data)
AST_LIST_UNLOCK(&u->playlist);
}
} else if (input[0] == 'H') {
ast_chan_log(LOG_NOTICE, chan->name, "Hanging up: %s\n", &input[2]);
send_child_event(child_events, 'H');
ast_chan_log(LOG_NOTICE, chan, "Hanging up: %s\n", &input[2]);
send_child_event(child_events, 'H', NULL, chan);
break;
} else if (input[0] == 'O') {
if (!strcasecmp(&input[2], "autoclear"))
@@ -457,26 +466,26 @@ static int app_exec(struct ast_channel *chan, void *data)
else if (!strcasecmp(&input[2], "noautoclear"))
u->option_autoclear = 0;
else
ast_chan_log(LOG_WARNING, chan->name, "Unknown option requested '%s'\n", &input[2]);
ast_chan_log(LOG_WARNING, chan, "Unknown option requested '%s'\n", &input[2]);
}
} else if (ready_fd == child_errors_fd) {
char input[1024];
if (exception || feof(child_errors)) {
ast_chan_log(LOG_WARNING, chan->name, "Child process went away\n");
ast_chan_log(LOG_WARNING, chan, "Child process went away\n");
res = -1;
break;
}
if (fgets(input, sizeof(input), child_errors)) {
command = ast_strip(input);
ast_chan_log(LOG_NOTICE, chan->name, "stderr: %s\n", command);
ast_chan_log(LOG_NOTICE, chan, "stderr: %s\n", command);
}
} else if ((ready_fd < 0) && ms) {
if (errno == 0 || errno == EINTR)
continue;
ast_chan_log(LOG_WARNING, chan->name, "Wait failed (%s)\n", strerror(errno));
ast_chan_log(LOG_WARNING, chan, "Wait failed (%s)\n", strerror(errno));
break;
}
}