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-rw-r--r--apps/app_dial.c29
-rw-r--r--include/asterisk/features.h29
-rw-r--r--main/features.c121
3 files changed, 125 insertions, 54 deletions
diff --git a/apps/app_dial.c b/apps/app_dial.c
index a245a8098..56ba3de53 100644
--- a/apps/app_dial.c
+++ b/apps/app_dial.c
@@ -560,6 +560,7 @@ struct chanlist {
uint64_t flags;
};
+static int detect_disconnect(struct ast_channel *chan, char code, struct ast_str *featurecode);
static void hanguptree(struct chanlist *outgoing, struct ast_channel *exception, int answered_elsewhere)
{
@@ -809,7 +810,7 @@ static struct ast_channel *wait_for_answer(struct ast_channel *in,
#ifdef HAVE_EPOLL
struct chanlist *epollo;
#endif
-
+ struct ast_str *featurecode = ast_str_alloca(FEATURE_MAX_LEN + 1);
if (single) {
/* Turn off hold music, etc */
ast_deactivate_generator(in);
@@ -1058,8 +1059,8 @@ static struct ast_channel *wait_for_answer(struct ast_channel *in,
}
if (ast_test_flag64(peerflags, OPT_CALLER_HANGUP) &&
- (f->subclass == '*')) { /* hmm it it not guaranteed to be '*' anymore. */
- ast_verb(3, "User hit %c to disconnect call.\n", f->subclass);
+ detect_disconnect(in, f->subclass, featurecode)) {
+ ast_verb(3, "User requested call disconnect.\n");
*to = 0;
strcpy(pa->status, "CANCEL");
ast_cdr_noanswer(in->cdr);
@@ -1103,6 +1104,26 @@ static struct ast_channel *wait_for_answer(struct ast_channel *in,
return peer;
}
+static int detect_disconnect(struct ast_channel *chan, char code, struct ast_str *featurecode)
+{
+ struct ast_flags features = { AST_FEATURE_DISCONNECT }; /* only concerned with disconnect feature */
+ struct ast_call_feature feature;
+ int res;
+
+ ast_str_append(&featurecode, 1, "%c", code);
+
+ res = ast_feature_detect(chan, &features, ast_str_buffer(featurecode), &feature);
+
+ if (res != AST_FEATURE_RETURN_STOREDIGITS) {
+ ast_str_reset(featurecode);
+ }
+ if (feature.feature_mask & AST_FEATURE_DISCONNECT) {
+ return 1;
+ }
+
+ return 0;
+}
+
static void replace_macro_delimiter(char *s)
{
for (; *s; s++)
@@ -1597,7 +1618,7 @@ static int dial_exec_full(struct ast_channel *chan, void *data, struct ast_flags
res = -1; /* reset default */
}
- if (ast_test_flag64(&opts, OPT_DTMF_EXIT)) {
+ if (ast_test_flag64(&opts, OPT_DTMF_EXIT) || ast_test_flag64(&opts, OPT_CALLER_HANGUP)) {
__ast_answer(chan, 0, 0);
}
diff --git a/include/asterisk/features.h b/include/asterisk/features.h
index c4abbae31..7a88abcb1 100644
--- a/include/asterisk/features.h
+++ b/include/asterisk/features.h
@@ -36,6 +36,21 @@
#define PARK_APP_NAME "Park"
+#define AST_FEATURE_RETURN_HANGUP -1
+#define AST_FEATURE_RETURN_SUCCESSBREAK 0
+#define AST_FEATURE_RETURN_PBX_KEEPALIVE AST_PBX_KEEPALIVE
+#define AST_FEATURE_RETURN_NO_HANGUP_PEER AST_PBX_NO_HANGUP_PEER
+#define AST_FEATURE_RETURN_PASSDIGITS 21
+#define AST_FEATURE_RETURN_STOREDIGITS 22
+#define AST_FEATURE_RETURN_SUCCESS 23
+#define AST_FEATURE_RETURN_KEEPTRYING 24
+#define AST_FEATURE_RETURN_PARKFAILED 25
+
+#define FEATURE_SENSE_CHAN (1 << 0)
+#define FEATURE_SENSE_PEER (1 << 1)
+
+typedef int (*ast_feature_operation)(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config, char *code, int sense, void *data);
+
/*! \brief main call feature structure */
enum {
@@ -53,7 +68,7 @@ struct ast_call_feature {
char sname[FEATURE_SNAME_LEN];
char exten[FEATURE_MAX_LEN];
char default_exten[FEATURE_MAX_LEN];
- int (*operation)(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config, char *code, int sense, void *data);
+ ast_feature_operation operation;
unsigned int flags;
char app[FEATURE_APP_LEN];
char app_args[FEATURE_APP_ARGS_LEN];
@@ -61,14 +76,6 @@ struct ast_call_feature {
AST_LIST_ENTRY(ast_call_feature) feature_entry;
};
-#define AST_FEATURE_RETURN_HANGUP -1
-#define AST_FEATURE_RETURN_SUCCESSBREAK 0
-#define AST_FEATURE_RETURN_PASSDIGITS 21
-#define AST_FEATURE_RETURN_STOREDIGITS 22
-#define AST_FEATURE_RETURN_SUCCESS 23
-#define AST_FEATURE_RETURN_KEEPTRYING 24
-#define AST_FEATURE_RETURN_PARKFAILED 25
-
/*!
* \brief Park a call and read back parked location
* \param chan the channel to actually be parked
@@ -123,6 +130,10 @@ void ast_register_feature(struct ast_call_feature *feature);
\param feature the ast_call_feature object which was registered before*/
void ast_unregister_feature(struct ast_call_feature *feature);
+/*! \brief detect a feature before bridging
+ \para chan, ast_flags ptr, code, ast_call_feature ptr to be set if found */
+int ast_feature_detect(struct ast_channel *chan, struct ast_flags *features, char *code, struct ast_call_feature *feature);
+
/*! \brief look for a call feature entry by its sname
\param name a string ptr, should match "automon", "blindxfer", "atxfer", etc. */
struct ast_call_feature *ast_find_call_feature(const char *name);
diff --git a/main/features.c b/main/features.c
index 91d90fe3a..2f0b07b7a 100644
--- a/main/features.c
+++ b/main/features.c
@@ -889,9 +889,6 @@ static int masq_park_call_announce(struct ast_channel *rchan, struct ast_channel
return masq_park_call(rchan, peer, timeout, extout, 1, NULL);
}
-#define FEATURE_SENSE_CHAN (1 << 0)
-#define FEATURE_SENSE_PEER (1 << 1)
-
/*!
* \brief set caller and callee according to the direction
* \param caller, callee, peer, chan, sense
@@ -1969,53 +1966,42 @@ static int remap_feature(const char *name, const char *value)
}
/*!
- * \brief Check the dynamic features
- * \param chan,peer,config,code,sense
+ * \brief Helper function for feature_interpret and ast_feature_detect
+ * \param chan,peer,config,code,sense,dynamic_features char buf,feature flags,operation,feature
*
* Lock features list, browse for code, unlock list
+ * If a feature is found and the operation variable is set, that feature's
+ * operation is executed. The first feature found is copied to the feature parameter.
* \retval res on success.
* \retval -1 on failure.
*/
-static int feature_interpret(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config, char *code, int sense)
+static int feature_interpret_helper(struct ast_channel *chan, struct ast_channel *peer,
+ struct ast_bridge_config *config, char *code, int sense, char *dynamic_features_buf,
+ struct ast_flags *features, int operation, struct ast_call_feature *feature)
{
int x;
- struct ast_flags features;
- struct ast_call_feature *feature;
struct feature_group *fg = NULL;
struct feature_group_exten *fge;
- const char *peer_dynamic_features, *chan_dynamic_features;
- char dynamic_features_buf[128];
+ struct ast_call_feature *tmpfeature;
char *tmp, *tok;
int res = AST_FEATURE_RETURN_PASSDIGITS;
int feature_detected = 0;
- if (sense == FEATURE_SENSE_CHAN) {
- ast_copy_flags(&features, &(config->features_caller), AST_FLAGS_ALL);
- }
- else {
- ast_copy_flags(&features, &(config->features_callee), AST_FLAGS_ALL);
+ if (!(peer && chan && config) && operation) {
+ return -1; /* can not run feature operation */
}
- ast_channel_lock(peer);
- peer_dynamic_features = ast_strdupa(S_OR(pbx_builtin_getvar_helper(peer, "DYNAMIC_FEATURES"),""));
- ast_channel_unlock(peer);
-
- ast_channel_lock(chan);
- chan_dynamic_features = ast_strdupa(S_OR(pbx_builtin_getvar_helper(chan, "DYNAMIC_FEATURES"),""));
- ast_channel_unlock(chan);
-
- snprintf(dynamic_features_buf, sizeof(dynamic_features_buf), "%s%s%s", S_OR(chan_dynamic_features, ""), chan_dynamic_features && peer_dynamic_features ? "#" : "", S_OR(peer_dynamic_features,""));
-
- ast_debug(3, "Feature interpret: chan=%s, peer=%s, code=%s, sense=%d, features=%d, dynamic=%s\n", chan->name, peer->name, code, sense, features.flags, dynamic_features_buf);
-
ast_rwlock_rdlock(&features_lock);
for (x = 0; x < FEATURES_COUNT; x++) {
- if ((ast_test_flag(&features, builtin_features[x].feature_mask)) &&
+ if ((ast_test_flag(features, builtin_features[x].feature_mask)) &&
!ast_strlen_zero(builtin_features[x].exten)) {
/* Feature is up for consideration */
if (!strcmp(builtin_features[x].exten, code)) {
ast_debug(3, "Feature detected: fname=%s sname=%s exten=%s\n", builtin_features[x].fname, builtin_features[x].sname, builtin_features[x].exten);
- res = builtin_features[x].operation(chan, peer, config, code, sense, NULL);
+ if (operation) {
+ res = builtin_features[x].operation(chan, peer, config, code, sense, NULL);
+ }
+ memcpy(feature, &builtin_features[x], sizeof(feature));
feature_detected = 1;
break;
} else if (!strncmp(builtin_features[x].exten, code, strlen(code))) {
@@ -2026,8 +2012,9 @@ static int feature_interpret(struct ast_channel *chan, struct ast_channel *peer,
}
ast_rwlock_unlock(&features_lock);
- if (ast_strlen_zero(dynamic_features_buf) || feature_detected)
+ if (ast_strlen_zero(dynamic_features_buf) || feature_detected) {
return res;
+ }
tmp = dynamic_features_buf;
@@ -2040,8 +2027,10 @@ static int feature_interpret(struct ast_channel *chan, struct ast_channel *peer,
AST_LIST_TRAVERSE(&fg->features, fge, entry) {
if (strcasecmp(fge->exten, code))
continue;
-
- res = fge->feature->operation(chan, peer, config, code, sense, fge->feature);
+ if (operation) {
+ res = fge->feature->operation(chan, peer, config, code, sense, fge->feature);
+ }
+ memcpy(feature, fge->feature, sizeof(feature));
if (res != AST_FEATURE_RETURN_KEEPTRYING) {
AST_RWLIST_UNLOCK(&feature_groups);
break;
@@ -2056,33 +2045,83 @@ static int feature_interpret(struct ast_channel *chan, struct ast_channel *peer,
AST_RWLIST_RDLOCK(&feature_list);
- if (!(feature = find_dynamic_feature(tok))) {
+ if (!(tmpfeature = find_dynamic_feature(tok))) {
AST_RWLIST_UNLOCK(&feature_list);
continue;
}
-
+
/* Feature is up for consideration */
- if (!strcmp(feature->exten, code)) {
- ast_verb(3, " Feature Found: %s exten: %s\n",feature->sname, tok);
- res = feature->operation(chan, peer, config, code, sense, feature);
+ if (!strcmp(tmpfeature->exten, code)) {
+ ast_verb(3, " Feature Found: %s exten: %s\n",tmpfeature->sname, tok);
+ if (operation) {
+ res = tmpfeature->operation(chan, peer, config, code, sense, tmpfeature);
+ }
+ memcpy(feature, tmpfeature, sizeof(feature));
if (res != AST_FEATURE_RETURN_KEEPTRYING) {
AST_RWLIST_UNLOCK(&feature_list);
break;
}
res = AST_FEATURE_RETURN_PASSDIGITS;
- } else if (!strncmp(feature->exten, code, strlen(code)))
+ } else if (!strncmp(tmpfeature->exten, code, strlen(code)))
res = AST_FEATURE_RETURN_STOREDIGITS;
AST_RWLIST_UNLOCK(&feature_list);
}
-
+
return res;
}
+/*!
+ * \brief Check the dynamic features
+ * \param chan,peer,config,code,sense
+ *
+ * \retval res on success.
+ * \retval -1 on failure.
+*/
+
+static int feature_interpret(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config, char *code, int sense) {
+
+ char dynamic_features_buf[128];
+ const char *peer_dynamic_features, *chan_dynamic_features;
+ struct ast_flags features;
+ struct ast_call_feature feature;
+ if (sense == FEATURE_SENSE_CHAN) {
+ ast_copy_flags(&features, &(config->features_caller), AST_FLAGS_ALL);
+ }
+ else {
+ ast_copy_flags(&features, &(config->features_callee), AST_FLAGS_ALL);
+ }
+
+ ast_channel_lock(peer);
+ peer_dynamic_features = ast_strdupa(S_OR(pbx_builtin_getvar_helper(peer, "DYNAMIC_FEATURES"),""));
+ ast_channel_unlock(peer);
+
+ ast_channel_lock(chan);
+ chan_dynamic_features = ast_strdupa(S_OR(pbx_builtin_getvar_helper(chan, "DYNAMIC_FEATURES"),""));
+ ast_channel_unlock(chan);
+
+ snprintf(dynamic_features_buf, sizeof(dynamic_features_buf), "%s%s%s", S_OR(chan_dynamic_features, ""), chan_dynamic_features && peer_dynamic_features ? "#" : "", S_OR(peer_dynamic_features,""));
+
+ ast_debug(3, "Feature interpret: chan=%s, peer=%s, code=%s, sense=%d, features=%d, dynamic=%s\n", chan->name, peer->name, code, sense, features.flags, dynamic_features_buf);
+
+ return feature_interpret_helper(chan, peer, config, code, sense, dynamic_features_buf, &features, 1, &feature);
+}
+
+
+int ast_feature_detect(struct ast_channel *chan, struct ast_flags *features, char *code, struct ast_call_feature *feature) {
+
+ char *dynamic_features;
+ ast_channel_lock(chan);
+ dynamic_features = ast_strdupa(S_OR(pbx_builtin_getvar_helper(chan, "DYNAMIC_FEATURES"),""));
+ ast_channel_unlock(chan);
+
+ return feature_interpret_helper(chan, NULL, NULL, code, 0, dynamic_features, features, 0, feature);
+}
+
static void set_config_flags(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config)
{
int x;
-
+
ast_clear_flag(config, AST_FLAGS_ALL);
ast_rwlock_rdlock(&features_lock);
@@ -2097,7 +2136,7 @@ static void set_config_flags(struct ast_channel *chan, struct ast_channel *peer,
ast_set_flag(config, AST_BRIDGE_DTMF_CHANNEL_1);
}
ast_rwlock_unlock(&features_lock);
-
+
if (chan && peer && !(ast_test_flag(config, AST_BRIDGE_DTMF_CHANNEL_0) && ast_test_flag(config, AST_BRIDGE_DTMF_CHANNEL_1))) {
const char *dynamic_features = pbx_builtin_getvar_helper(chan, "DYNAMIC_FEATURES");
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-13 20:01:45 +0000