<p>N A has uploaded this change for <strong>review</strong>.</p><p><a href="https://gerrit.asterisk.org/c/asterisk/+/18562">View Change</a></p><pre style="font-family: monospace,monospace; white-space: pre-wrap;">pbx: Add pbx exec helper function.<br><br>Finding an application and executing it if found is<br>a common task throughout Asterisk. This adds a wrapper<br>function around pbx_exec to do this, to eliminate<br>redundant code and make it easier for modules to<br>execute applications by name.<br><br>ASTERISK-30061 #close<br><br>Change-Id: Ifee4d2825df7545fb515d763d393065675140c84<br>---<br>M apps/app_disa.c<br>M include/asterisk/pbx.h<br>M main/bridge_channel.c<br>M main/dial.c<br>M main/features.c<br>M main/pbx_app.c<br>M main/pbx_builtins.c<br>M res/res_stasis_snoop.c<br>8 files changed, 49 insertions(+), 49 deletions(-)<br><br></pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;">git pull ssh://gerrit.asterisk.org:29418/asterisk refs/changes/62/18562/1</pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;"><span>diff --git a/apps/app_disa.c b/apps/app_disa.c</span><br><span>index cceb554..7e69fec 100644</span><br><span>--- a/apps/app_disa.c</span><br><span>+++ b/apps/app_disa.c</span><br><span>@@ -361,7 +361,6 @@</span><br><span> </span><br><span> if (k == 3) {</span><br><span> int recheck = 0;</span><br><span style="color: hsl(0, 100%, 40%);">- struct ast_app *app_reset_cdr;</span><br><span> </span><br><span> if (!ast_exists_extension(chan, args.context, exten, 1,</span><br><span> S_COR(ast_channel_caller(chan)->id.number.valid, ast_channel_caller(chan)->id.number.str, NULL))) {</span><br><span>@@ -386,10 +385,7 @@</span><br><span> ast_channel_unlock(chan);</span><br><span> }</span><br><span> </span><br><span style="color: hsl(0, 100%, 40%);">- app_reset_cdr = pbx_findapp("ResetCDR");</span><br><span style="color: hsl(0, 100%, 40%);">- if (app_reset_cdr) {</span><br><span style="color: hsl(0, 100%, 40%);">- pbx_exec(chan, app_reset_cdr, special_noanswer ? "" : "e");</span><br><span style="color: hsl(0, 100%, 40%);">- } else {</span><br><span style="color: hsl(120, 100%, 40%);">+ if (pbx_exec_helper(chan, "ResetCDR", special_noanswer ? "" : "e")) {</span><br><span> ast_log(AST_LOG_NOTICE, "ResetCDR application not found; CDR will not be reset\n");</span><br><span> }</span><br><span> ast_explicit_goto(chan, args.context, exten, 1);</span><br><span>diff --git a/include/asterisk/pbx.h b/include/asterisk/pbx.h</span><br><span>index d531b44..d0082e2 100644</span><br><span>--- a/include/asterisk/pbx.h</span><br><span>+++ b/include/asterisk/pbx.h</span><br><span>@@ -269,6 +269,21 @@</span><br><span> int pbx_exec(struct ast_channel *c, struct ast_app *app, const char *data);</span><br><span> </span><br><span> /*!</span><br><span style="color: hsl(120, 100%, 40%);">+ * \brief Execute an application</span><br><span style="color: hsl(120, 100%, 40%);">+ *</span><br><span style="color: hsl(120, 100%, 40%);">+ * \param c channel to execute on</span><br><span style="color: hsl(120, 100%, 40%);">+ * \param app name of app to execute</span><br><span style="color: hsl(120, 100%, 40%);">+ * \param data the data passed into the app</span><br><span style="color: hsl(120, 100%, 40%);">+ *</span><br><span style="color: hsl(120, 100%, 40%);">+ * This application executes an application by name on a given channel.</span><br><span style="color: hsl(120, 100%, 40%);">+ * It is a wrapper around pbx_exec that will execute the application if it exists.</span><br><span style="color: hsl(120, 100%, 40%);">+ *</span><br><span style="color: hsl(120, 100%, 40%);">+ * \retval 0 success</span><br><span style="color: hsl(120, 100%, 40%);">+ * \retval -1 failure</span><br><span style="color: hsl(120, 100%, 40%);">+ */</span><br><span style="color: hsl(120, 100%, 40%);">+int pbx_exec_helper(struct ast_channel *chan, const char *app_name, const char *app_args);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+/*!</span><br><span> * \brief Register a new context or find an existing one</span><br><span> *</span><br><span> * \param extcontexts pointer to the ast_context structure pointer</span><br><span>diff --git a/main/bridge_channel.c b/main/bridge_channel.c</span><br><span>index 1b0f1dd..29edb6c 100644</span><br><span>--- a/main/bridge_channel.c</span><br><span>+++ b/main/bridge_channel.c</span><br><span>@@ -1178,23 +1178,7 @@</span><br><span> } else if (!strcasecmp("Macro", app_name)) {</span><br><span> ast_app_exec_macro(NULL, chan, app_args);</span><br><span> } else {</span><br><span style="color: hsl(0, 100%, 40%);">- struct ast_app *app;</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- app = pbx_findapp(app_name);</span><br><span style="color: hsl(0, 100%, 40%);">- if (!app) {</span><br><span style="color: hsl(0, 100%, 40%);">- ast_log(LOG_WARNING, "Could not find application (%s)\n", app_name);</span><br><span style="color: hsl(0, 100%, 40%);">- } else {</span><br><span style="color: hsl(0, 100%, 40%);">- struct ast_str *substituted_args = ast_str_create(16);</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- if (substituted_args) {</span><br><span style="color: hsl(0, 100%, 40%);">- ast_str_substitute_variables(&substituted_args, 0, chan, app_args);</span><br><span style="color: hsl(0, 100%, 40%);">- res = pbx_exec(chan, app, ast_str_buffer(substituted_args));</span><br><span style="color: hsl(0, 100%, 40%);">- ast_free(substituted_args);</span><br><span style="color: hsl(0, 100%, 40%);">- } else {</span><br><span style="color: hsl(0, 100%, 40%);">- ast_log(LOG_WARNING, "Could not substitute application argument variables for %s\n", app_name);</span><br><span style="color: hsl(0, 100%, 40%);">- res = pbx_exec(chan, app, app_args);</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(120, 100%, 40%);">+ res = pbx_exec_helper(chan, app_name, app_args);</span><br><span> }</span><br><span> return res;</span><br><span> }</span><br><span>diff --git a/main/dial.c b/main/dial.c</span><br><span>index c40b7fb..256816e 100644</span><br><span>--- a/main/dial.c</span><br><span>+++ b/main/dial.c</span><br><span>@@ -166,14 +166,12 @@</span><br><span> static void answer_exec_run(struct ast_dial *dial, struct ast_dial_channel *dial_channel, char *app, char *args)</span><br><span> {</span><br><span> struct ast_channel *chan = dial_channel->owner;</span><br><span style="color: hsl(0, 100%, 40%);">- struct ast_app *ast_app = pbx_findapp(app);</span><br><span> </span><br><span style="color: hsl(0, 100%, 40%);">- /* If the application was not found, return immediately */</span><br><span style="color: hsl(0, 100%, 40%);">- if (!ast_app)</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Execute the application, if available */</span><br><span style="color: hsl(120, 100%, 40%);">+ if (pbx_exec_helper(chan, app, args)) {</span><br><span style="color: hsl(120, 100%, 40%);">+ /* If the application was not found, return immediately */</span><br><span> return;</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- /* All is well... execute the application */</span><br><span style="color: hsl(0, 100%, 40%);">- pbx_exec(chan, ast_app, args);</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span> </span><br><span> /* If another thread is not taking over hang up the channel */</span><br><span> ast_mutex_lock(&dial->lock);</span><br><span>diff --git a/main/features.c b/main/features.c</span><br><span>index b67bf38..3d82496 100644</span><br><span>--- a/main/features.c</span><br><span>+++ b/main/features.c</span><br><span>@@ -504,12 +504,7 @@</span><br><span> ast_channel_unlock(peer);</span><br><span> }</span><br><span> if (monitor_chan) {</span><br><span style="color: hsl(0, 100%, 40%);">- struct ast_app *monitor_app;</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- monitor_app = pbx_findapp("Monitor");</span><br><span style="color: hsl(0, 100%, 40%);">- if (monitor_app) {</span><br><span style="color: hsl(0, 100%, 40%);">- pbx_exec(monitor_chan, monitor_app, monitor_args);</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(120, 100%, 40%);">+ pbx_exec_helper(monitor_chan, "Monitor", monitor_args);</span><br><span> }</span><br><span> }</span><br><span> </span><br><span>diff --git a/main/pbx_app.c b/main/pbx_app.c</span><br><span>index 0cbb04a..bf5cb34 100644</span><br><span>--- a/main/pbx_app.c</span><br><span>+++ b/main/pbx_app.c</span><br><span>@@ -498,6 +498,31 @@</span><br><span> return res;</span><br><span> }</span><br><span> </span><br><span style="color: hsl(120, 100%, 40%);">+int pbx_exec_helper(struct ast_channel *chan, const char *app_name, const char *app_args)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ int res = -1;</span><br><span style="color: hsl(120, 100%, 40%);">+ struct ast_app *app;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ app = pbx_findapp(app_name);</span><br><span style="color: hsl(120, 100%, 40%);">+ if (!app) {</span><br><span style="color: hsl(120, 100%, 40%);">+ ast_log(LOG_WARNING, "Could not find application (%s)\n", app_name);</span><br><span style="color: hsl(120, 100%, 40%);">+ } else {</span><br><span style="color: hsl(120, 100%, 40%);">+ struct ast_str *substituted_args = NULL;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ if (!ast_strlen_zero(app_args) && (substituted_args = ast_str_create(16))) {</span><br><span style="color: hsl(120, 100%, 40%);">+ ast_str_substitute_variables(&substituted_args, 0, chan, app_args);</span><br><span style="color: hsl(120, 100%, 40%);">+ res = pbx_exec(chan, app, ast_str_buffer(substituted_args));</span><br><span style="color: hsl(120, 100%, 40%);">+ ast_free(substituted_args);</span><br><span style="color: hsl(120, 100%, 40%);">+ } else {</span><br><span style="color: hsl(120, 100%, 40%);">+ if (!ast_strlen_zero(app_args)) {</span><br><span style="color: hsl(120, 100%, 40%);">+ ast_log(LOG_WARNING, "Could not substitute application argument variables for %s\n", app_name);</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ res = pbx_exec(chan, app, app_args);</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ return res;</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span> static struct ast_cli_entry app_cli[] = {</span><br><span> AST_CLI_DEFINE(handle_show_applications, "Shows registered dialplan applications"),</span><br><span> AST_CLI_DEFINE(handle_show_application, "Describe a specific dialplan application"),</span><br><span>diff --git a/main/pbx_builtins.c b/main/pbx_builtins.c</span><br><span>index 078a307..91a2045 100644</span><br><span>--- a/main/pbx_builtins.c</span><br><span>+++ b/main/pbx_builtins.c</span><br><span>@@ -1000,7 +1000,6 @@</span><br><span> {</span><br><span> char *s, *appname;</span><br><span> struct ast_timing timing;</span><br><span style="color: hsl(0, 100%, 40%);">- struct ast_app *app;</span><br><span> static const char * const usage = "ExecIfTime requires an argument:\n <time range>,<days of week>,<days of month>,<months>[,<timezone>]?<appname>[(<appargs>)]";</span><br><span> </span><br><span> if (ast_strlen_zero(data)) {</span><br><span>@@ -1038,13 +1037,7 @@</span><br><span> ast_log(LOG_WARNING, "Failed to find closing parenthesis\n");</span><br><span> }</span><br><span> </span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- if ((app = pbx_findapp(appname))) {</span><br><span style="color: hsl(0, 100%, 40%);">- return pbx_exec(chan, app, S_OR(s, ""));</span><br><span style="color: hsl(0, 100%, 40%);">- } else {</span><br><span style="color: hsl(0, 100%, 40%);">- ast_log(LOG_WARNING, "Cannot locate application %s\n", appname);</span><br><span style="color: hsl(0, 100%, 40%);">- return -1;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(120, 100%, 40%);">+ return pbx_exec_helper(chan, appname, S_OR(s, ""));</span><br><span> }</span><br><span> </span><br><span> /*!</span><br><span>diff --git a/res/res_stasis_snoop.c b/res/res_stasis_snoop.c</span><br><span>index 190ee06..89ecd42 100644</span><br><span>--- a/res/res_stasis_snoop.c</span><br><span>+++ b/res/res_stasis_snoop.c</span><br><span>@@ -263,14 +263,8 @@</span><br><span> static void *snoop_stasis_thread(void *obj)</span><br><span> {</span><br><span> RAII_VAR(struct stasis_app_snoop *, snoop, obj, ao2_cleanup);</span><br><span style="color: hsl(0, 100%, 40%);">- struct ast_app *stasis = pbx_findapp("Stasis");</span><br><span> </span><br><span style="color: hsl(0, 100%, 40%);">- if (!stasis) {</span><br><span style="color: hsl(0, 100%, 40%);">- ast_hangup(snoop->chan);</span><br><span style="color: hsl(0, 100%, 40%);">- return NULL;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- pbx_exec(snoop->chan, stasis, ast_str_buffer(snoop->app));</span><br><span style="color: hsl(120, 100%, 40%);">+ pbx_exec_helper(snoop->chan, "Stasis", ast_str_buffer(snoop->app));</span><br><span> </span><br><span> ast_hangup(snoop->chan);</span><br><span> </span><br><span></span><br></pre><p>To view, visit <a href="https://gerrit.asterisk.org/c/asterisk/+/18562">change 18562</a>. 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<div style="display:none"> Gerrit-Project: asterisk </div>
<div style="display:none"> Gerrit-Branch: master </div>
<div style="display:none"> Gerrit-Change-Id: Ifee4d2825df7545fb515d763d393065675140c84 </div>
<div style="display:none"> Gerrit-Change-Number: 18562 </div>
<div style="display:none"> Gerrit-PatchSet: 1 </div>
<div style="display:none"> Gerrit-Owner: N A <mail@interlinked.x10host.com> </div>
<div style="display:none"> Gerrit-MessageType: newchange </div>