[svn-commits] file: trunk r403118 - in /trunk: ./ include/asterisk/ main/ res/ res/ari/ res...

SVN commits to the Digium repositories svn-commits at lists.digium.com
Sat Nov 23 06:40:49 CST 2013


Author: file
Date: Sat Nov 23 06:40:46 2013
New Revision: 403118

URL: http://svnview.digium.com/svn/asterisk?view=rev&rev=403118
Log:
ari: Add Snoop operation for spying/whispering on channels.

The Snoop operation can be invoked on a channel to spy or
whisper on it. It returns a channel that any channel operations
can then be invoked on (such as record to do monitoring).

(closes issue ASTERISK-22780)
Reported by: Matt Jordan

Review: https://reviewboard.asterisk.org/r/3003/
........

Merged revisions 403117 from http://svn.asterisk.org/svn/asterisk/branches/12

Added:
    trunk/include/asterisk/stasis_app_snoop.h
      - copied unchanged from r403117, branches/12/include/asterisk/stasis_app_snoop.h
    trunk/res/res_stasis_snoop.c
      - copied unchanged from r403117, branches/12/res/res_stasis_snoop.c
    trunk/res/res_stasis_snoop.exports.in
      - copied unchanged from r403117, branches/12/res/res_stasis_snoop.exports.in
Modified:
    trunk/   (props changed)
    trunk/main/audiohook.c
    trunk/res/ari/resource_channels.c
    trunk/res/ari/resource_channels.h
    trunk/res/res_ari_channels.c
    trunk/rest-api/api-docs/channels.json

Propchange: trunk/
------------------------------------------------------------------------------
--- branch-12-merged (original)
+++ branch-12-merged Sat Nov 23 06:40:46 2013
@@ -1,1 +1,1 @@
-/branches/12:1-398558,398560-398577,398579-399305,399307-401390,401392-402993,403016,403022,403069,403082,403094
+/branches/12:1-398558,398560-398577,398579-399305,399307-401390,401392-402993,403016,403022,403069,403082,403094,403117

Modified: trunk/main/audiohook.c
URL: http://svnview.digium.com/svn/asterisk/trunk/main/audiohook.c?view=diff&rev=403118&r1=403117&r2=403118
==============================================================================
--- trunk/main/audiohook.c (original)
+++ trunk/main/audiohook.c Sat Nov 23 06:40:46 2013
@@ -79,15 +79,12 @@
 	/* Setup the factories that are needed for this audiohook type */
 	switch (audiohook->type) {
 	case AST_AUDIOHOOK_TYPE_SPY:
+	case AST_AUDIOHOOK_TYPE_WHISPER:
 		if (reset) {
 			ast_slinfactory_destroy(&audiohook->read_factory);
+			ast_slinfactory_destroy(&audiohook->write_factory);
 		}
 		ast_slinfactory_init_with_format(&audiohook->read_factory, &slin);
-		/* fall through */
-	case AST_AUDIOHOOK_TYPE_WHISPER:
-		if (reset) {
-			ast_slinfactory_destroy(&audiohook->write_factory);
-		}
 		ast_slinfactory_init_with_format(&audiohook->write_factory, &slin);
 		break;
 	default:
@@ -134,8 +131,8 @@
 	/* Drop the factories used by this audiohook type */
 	switch (audiohook->type) {
 	case AST_AUDIOHOOK_TYPE_SPY:
+	case AST_AUDIOHOOK_TYPE_WHISPER:
 		ast_slinfactory_destroy(&audiohook->read_factory);
-	case AST_AUDIOHOOK_TYPE_WHISPER:
 		ast_slinfactory_destroy(&audiohook->write_factory);
 		break;
 	default:
@@ -815,11 +812,12 @@
 	AST_LIST_TRAVERSE_SAFE_END;
 
 	/* If this frame is being written out to the channel then we need to use whisper sources */
-	if (direction == AST_AUDIOHOOK_DIRECTION_WRITE && !AST_LIST_EMPTY(&audiohook_list->whisper_list)) {
+	if (!AST_LIST_EMPTY(&audiohook_list->whisper_list)) {
 		int i = 0;
 		short read_buf[samples], combine_buf[samples], *data1 = NULL, *data2 = NULL;
 		memset(&combine_buf, 0, sizeof(combine_buf));
 		AST_LIST_TRAVERSE_SAFE_BEGIN(&audiohook_list->whisper_list, audiohook, list) {
+			struct ast_slinfactory *factory = (direction == AST_AUDIOHOOK_DIRECTION_READ ? &audiohook->read_factory : &audiohook->write_factory);
 			ast_audiohook_lock(audiohook);
 			if (audiohook->status != AST_AUDIOHOOK_STATUS_RUNNING) {
 				AST_LIST_REMOVE_CURRENT(list);
@@ -829,7 +827,7 @@
 				continue;
 			}
 			audiohook_set_internal_rate(audiohook, audiohook_list->list_internal_samp_rate, 1);
-			if (ast_slinfactory_available(&audiohook->write_factory) >= samples && ast_slinfactory_read(&audiohook->write_factory, read_buf, samples)) {
+			if (ast_slinfactory_available(factory) >= samples && ast_slinfactory_read(factory, read_buf, samples)) {
 				/* Take audio from this whisper source and combine it into our main buffer */
 				for (i = 0, data1 = combine_buf, data2 = read_buf; i < samples; i++, data1++, data2++)
 					ast_slinear_saturated_add(data1, data2);

Modified: trunk/res/ari/resource_channels.c
URL: http://svnview.digium.com/svn/asterisk/trunk/res/ari/resource_channels.c?view=diff&rev=403118&r1=403117&r2=403118
==============================================================================
--- trunk/res/ari/resource_channels.c (original)
+++ trunk/res/ari/resource_channels.c Sat Nov 23 06:40:46 2013
@@ -39,6 +39,7 @@
 #include "asterisk/stasis_app.h"
 #include "asterisk/stasis_app_playback.h"
 #include "asterisk/stasis_app_recording.h"
+#include "asterisk/stasis_app_snoop.h"
 #include "asterisk/stasis_channels.h"
 #include "asterisk/causes.h"
 #include "resource_channels.h"
@@ -847,3 +848,73 @@
 	ast_ari_response_no_content(response);
 }
 
+void ast_ari_channels_snoop_channel(struct ast_variable *headers, struct ast_ari_channels_snoop_channel_args *args, struct ast_ari_response *response)
+{
+	enum stasis_app_snoop_direction spy, whisper;
+	RAII_VAR(struct ast_channel *, chan, NULL, ast_channel_cleanup);
+	RAII_VAR(struct ast_channel *, snoop, NULL, ast_channel_cleanup);
+	RAII_VAR(struct ast_channel_snapshot *, snapshot, NULL, ao2_cleanup);
+
+	ast_assert(response != NULL);
+
+	if (ast_strlen_zero(args->spy) || !strcmp(args->spy, "none")) {
+		spy = STASIS_SNOOP_DIRECTION_NONE;
+	} else if (!strcmp(args->spy, "both")) {
+		spy = STASIS_SNOOP_DIRECTION_BOTH;
+	} else if (!strcmp(args->spy, "out")) {
+		spy = STASIS_SNOOP_DIRECTION_OUT;
+	} else if (!strcmp(args->spy, "in")) {
+		spy = STASIS_SNOOP_DIRECTION_IN;
+	} else {
+		ast_ari_response_error(
+			response, 400, "Bad Request",
+			"Invalid direction specified for spy");
+		return;
+	}
+
+	if (ast_strlen_zero(args->whisper) || !strcmp(args->whisper, "none")) {
+		whisper = STASIS_SNOOP_DIRECTION_NONE;
+	} else if (!strcmp(args->whisper, "both")) {
+		whisper = STASIS_SNOOP_DIRECTION_BOTH;
+	} else if (!strcmp(args->whisper, "out")) {
+		whisper = STASIS_SNOOP_DIRECTION_OUT;
+	} else if (!strcmp(args->whisper, "in")) {
+		whisper = STASIS_SNOOP_DIRECTION_IN;
+	} else {
+		ast_ari_response_error(
+			response, 400, "Bad Request",
+			"Invalid direction specified for whisper");
+		return;
+	}
+
+	if (spy == STASIS_SNOOP_DIRECTION_NONE && whisper == STASIS_SNOOP_DIRECTION_NONE) {
+		ast_ari_response_error(
+			response, 400, "Bad Request",
+			"Direction must be specified for at least spy or whisper");
+		return;
+	} else if (ast_strlen_zero(args->app)) {
+		ast_ari_response_error(
+			response, 400, "Bad Request",
+			"Application name is required");
+		return;
+	}
+
+	chan = ast_channel_get_by_name(args->channel_id);
+	if (chan == NULL) {
+		ast_ari_response_error(
+			response, 404, "Channel Not Found",
+			"Provided channel was not found");
+		return;
+	}
+
+	snoop = stasis_app_control_snoop(chan, spy, whisper, args->app, args->app_args);
+	if (snoop == NULL) {
+		ast_ari_response_error(
+			response, 500, "Internal error",
+			"Snoop channel could not be created");
+		return;
+	}
+
+	snapshot = ast_channel_snapshot_create(snoop);
+	ast_ari_response_ok(response, ast_channel_snapshot_to_json(snapshot, NULL));
+}

Modified: trunk/res/ari/resource_channels.h
URL: http://svnview.digium.com/svn/asterisk/trunk/res/ari/resource_channels.h?view=diff&rev=403118&r1=403117&r2=403118
==============================================================================
--- trunk/res/ari/resource_channels.h (original)
+++ trunk/res/ari/resource_channels.h Sat Nov 23 06:40:46 2013
@@ -386,5 +386,28 @@
  * \param[out] response HTTP response
  */
 void ast_ari_channels_set_channel_var(struct ast_variable *headers, struct ast_ari_channels_set_channel_var_args *args, struct ast_ari_response *response);
+/*! \brief Argument struct for ast_ari_channels_snoop_channel() */
+struct ast_ari_channels_snoop_channel_args {
+	/*! \brief Channel's id */
+	const char *channel_id;
+	/*! \brief Direction of audio to spy on */
+	const char *spy;
+	/*! \brief Direction of audio to whisper into */
+	const char *whisper;
+	/*! \brief Application the snooping channel is placed into */
+	const char *app;
+	/*! \brief The application arguments to pass to the Stasis application */
+	const char *app_args;
+};
+/*!
+ * \brief Start snooping.
+ *
+ * Snoop (spy/whisper) on a specific channel.
+ *
+ * \param headers HTTP headers
+ * \param args Swagger parameters
+ * \param[out] response HTTP response
+ */
+void ast_ari_channels_snoop_channel(struct ast_variable *headers, struct ast_ari_channels_snoop_channel_args *args, struct ast_ari_response *response);
 
 #endif /* _ASTERISK_RESOURCE_CHANNELS_H */

Modified: trunk/res/res_ari_channels.c
URL: http://svnview.digium.com/svn/asterisk/trunk/res/res_ari_channels.c?view=diff&rev=403118&r1=403117&r2=403118
==============================================================================
--- trunk/res/res_ari_channels.c (original)
+++ trunk/res/res_ari_channels.c Sat Nov 23 06:40:46 2013
@@ -1384,6 +1384,79 @@
 
 	if (!is_valid) {
 		ast_log(LOG_ERROR, "Response validation failed for /channels/{channelId}/variable\n");
+		ast_ari_response_error(response, 500,
+			"Internal Server Error", "Response validation failed");
+	}
+#endif /* AST_DEVMODE */
+
+fin: __attribute__((unused))
+	return;
+}
+/*!
+ * \brief Parameter parsing callback for /channels/{channelId}/snoop.
+ * \param get_params GET parameters in the HTTP request.
+ * \param path_vars Path variables extracted from the request.
+ * \param headers HTTP headers.
+ * \param[out] response Response to the HTTP request.
+ */
+static void ast_ari_channels_snoop_channel_cb(
+	struct ast_variable *get_params, struct ast_variable *path_vars,
+	struct ast_variable *headers, struct ast_ari_response *response)
+{
+	struct ast_ari_channels_snoop_channel_args args = {};
+	struct ast_variable *i;
+#if defined(AST_DEVMODE)
+	int is_valid;
+	int code;
+#endif /* AST_DEVMODE */
+
+	for (i = get_params; i; i = i->next) {
+		if (strcmp(i->name, "spy") == 0) {
+			args.spy = (i->value);
+		} else
+		if (strcmp(i->name, "whisper") == 0) {
+			args.whisper = (i->value);
+		} else
+		if (strcmp(i->name, "app") == 0) {
+			args.app = (i->value);
+		} else
+		if (strcmp(i->name, "appArgs") == 0) {
+			args.app_args = (i->value);
+		} else
+		{}
+	}
+	for (i = path_vars; i; i = i->next) {
+		if (strcmp(i->name, "channelId") == 0) {
+			args.channel_id = (i->value);
+		} else
+		{}
+	}
+	ast_ari_channels_snoop_channel(headers, &args, response);
+#if defined(AST_DEVMODE)
+	code = response->response_code;
+
+	switch (code) {
+	case 0: /* Implementation is still a stub, or the code wasn't set */
+		is_valid = response->message == NULL;
+		break;
+	case 500: /* Internal Server Error */
+	case 501: /* Not Implemented */
+	case 400: /* Invalid parameters */
+	case 404: /* Channel not found */
+		is_valid = 1;
+		break;
+	default:
+		if (200 <= code && code <= 299) {
+			is_valid = ast_ari_validate_channel(
+				response->message);
+		} else {
+			ast_log(LOG_ERROR, "Invalid error response %d for /channels/{channelId}/snoop\n", code);
+			is_valid = 0;
+		}
+	}
+
+	if (!is_valid) {
+		ast_log(LOG_ERROR, "Response validation failed for /channels/{channelId}/snoop\n");
 		ast_ari_response_error(response, 500,
 			"Internal Server Error", "Response validation failed");
 	}
@@ -1499,6 +1572,15 @@
 	.children = {  }
 };
 /*! \brief REST handler for /api-docs/channels.{format} */
+static struct stasis_rest_handlers channels_channelId_snoop = {
+	.path_segment = "snoop",
+	.callbacks = {
+		[AST_HTTP_POST] = ast_ari_channels_snoop_channel_cb,
+	},
+	.num_children = 0,
+	.children = {  }
+};
+/*! \brief REST handler for /api-docs/channels.{format} */
 static struct stasis_rest_handlers channels_channelId = {
 	.path_segment = "channelId",
 	.is_wildcard = 1,
@@ -1506,8 +1588,8 @@
 		[AST_HTTP_GET] = ast_ari_channels_get_cb,
 		[AST_HTTP_DELETE] = ast_ari_channels_hangup_cb,
 	},
-	.num_children = 11,
-	.children = { &channels_channelId_continue,&channels_channelId_answer,&channels_channelId_ring,&channels_channelId_dtmf,&channels_channelId_mute,&channels_channelId_hold,&channels_channelId_moh,&channels_channelId_silence,&channels_channelId_play,&channels_channelId_record,&channels_channelId_variable, }
+	.num_children = 12,
+	.children = { &channels_channelId_continue,&channels_channelId_answer,&channels_channelId_ring,&channels_channelId_dtmf,&channels_channelId_mute,&channels_channelId_hold,&channels_channelId_moh,&channels_channelId_silence,&channels_channelId_play,&channels_channelId_record,&channels_channelId_variable,&channels_channelId_snoop, }
 };
 /*! \brief REST handler for /api-docs/channels.{format} */
 static struct stasis_rest_handlers channels = {

Modified: trunk/rest-api/api-docs/channels.json
URL: http://svnview.digium.com/svn/asterisk/trunk/rest-api/api-docs/channels.json?view=diff&rev=403118&r1=403117&r2=403118
==============================================================================
--- trunk/rest-api/api-docs/channels.json (original)
+++ trunk/rest-api/api-docs/channels.json Sat Nov 23 06:40:46 2013
@@ -950,6 +950,91 @@
 						{
 							"code": 409,
 							"reason": "Channel not in a Stasis application"
+						}
+					]
+				}
+			]
+		},
+		{
+			"path": "/channels/{channelId}/snoop",
+			"description": "Snoop (spy/whisper) on a channel",
+			"operations": [
+				{
+					"httpMethod": "POST",
+					"summary": "Start snooping.",
+					"notes": "Snoop (spy/whisper) on a specific channel.",
+					"nickname": "snoopChannel",
+					"responseClass": "Channel",
+					"parameters": [
+						{
+							"name": "channelId",
+							"description": "Channel's id",
+							"paramType": "path",
+							"required": true,
+							"allowMultiple": false,
+							"dataType": "string"
+						},
+						{
+							"name": "spy",
+							"description": "Direction of audio to spy on",
+							"paramType": "query",
+							"required": false,
+							"allowMultiple": false,
+							"dataType": "string",
+							"defaultValue": "none",
+							"allowableValues": {
+								"valueType": "LIST",
+								"values": [
+									"none",
+									"both",
+									"out",
+									"in"
+								]
+							}
+						},
+						{
+							"name": "whisper",
+							"description": "Direction of audio to whisper into",
+							"paramType": "query",
+							"required": false,
+							"allowMultiple": false,
+							"dataType": "string",
+							"defaultValue": "none",
+							"allowableValues": {
+								"valueType": "LIST",
+								"values": [
+									"none",
+									"both",
+									"out",
+									"in"
+								]
+							}
+						},
+						{
+							"name": "app",
+							"description": "Application the snooping channel is placed into",
+							"paramType": "query",
+							"required": true,
+							"allowMultiple": false,
+							"dataType": "string"
+						},
+						{
+							"name": "appArgs",
+							"description": "The application arguments to pass to the Stasis application",
+							"paramType": "query",
+							"required": false,
+							"allowMultiple": false,
+							"dataType": "string"
+						}
+					],
+					"errorResponses": [
+						{
+							"code": 400,
+							"reason": "Invalid parameters"
+						},
+						{
+							"code": 404,
+							"reason": "Channel not found"
 						}
 					]
 				}




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