[asterisk-commits] ARI: Creating log channels (asterisk[13])

SVN commits to the Asterisk project asterisk-commits at lists.digium.com
Fri Aug 7 11:36:37 CDT 2015


Joshua Colp has submitted this change and it was merged.

Change subject: ARI: Creating log channels
......................................................................


ARI: Creating log channels

An http request can be sent to create a log channel
in Asterisk.

The command "curl -v -u user:pass -X POST
'http://localhost:088/ari/asterisk/logging/mylog?
configuration=notice,warning'" can be run in the terminal
to access the newly implemented functionality for ARI.

* Ability to create log channels using ARI

ASTERISK-25252

Change-Id: I9a20e5c75716dfbb6b62fd3474faf55be20bd782
---
M include/asterisk/logger.h
M main/logger.c
M res/ari/ari_model_validators.c
M res/ari/ari_model_validators.h
M res/ari/resource_asterisk.c
M res/ari/resource_asterisk.h
M res/res_ari_asterisk.c
M rest-api/api-docs/asterisk.json
8 files changed, 249 insertions(+), 17 deletions(-)

Approvals:
  Anonymous Coward #1000019: Verified
  Ashley Sanders: Looks good to me, but someone else must approve
  Joshua Colp: Looks good to me, approved



diff --git a/include/asterisk/logger.h b/include/asterisk/logger.h
index e944147..18701a1 100644
--- a/include/asterisk/logger.h
+++ b/include/asterisk/logger.h
@@ -99,6 +99,14 @@
 	__attribute__((format(printf, 6, 7)));
 
 /*!
+ * \brief Create a log channel
+ *
+ * \param log_channel Log channel to create
+ * \param components Logging config levels to add to the log channel
+ */
+int ast_logger_create_channel(const char *log_channel, const char *components);
+
+/*!
  * \brief Delete the specified log channel
  *
  * \param log_channel The log channel to delete
diff --git a/main/logger.c b/main/logger.c
index f64825d..c856e72 100644
--- a/main/logger.c
+++ b/main/logger.c
@@ -1054,6 +1054,44 @@
 	return CLI_SUCCESS;
 }
 
+int ast_logger_create_channel(const char *log_channel, const char *components)
+{
+	struct logchannel *chan;
+	struct ast_str *filename = ast_str_create(64);
+	int chan_exists = AST_LOGGER_SUCCESS;
+
+	if (ast_strlen_zero(components)) {
+		return AST_LOGGER_DECLINE;
+	}
+
+	if (!filename) {
+		return AST_LOGGER_ALLOC_ERROR;
+	}
+
+	ast_str_append(&filename, 0, "%s/%s", ast_config_AST_LOG_DIR, log_channel);
+
+	AST_RWLIST_WRLOCK(&logchannels);
+
+	AST_RWLIST_TRAVERSE(&logchannels, chan, list) {
+		if (!strcmp(ast_str_buffer(filename), chan->filename)) {
+			chan_exists = AST_LOGGER_FAILURE;
+			break;
+		}
+	}
+
+	if (!chan_exists) {
+		chan = make_logchannel(log_channel, components, 0, 1);
+		if (chan) {
+			AST_RWLIST_INSERT_HEAD(&logchannels, chan, list);
+			global_logmask |= chan->logmask;
+			chan_exists = AST_LOGGER_SUCCESS;
+		}
+	}
+	AST_RWLIST_UNLOCK(&logchannels);
+
+	return chan_exists;
+}
+
 static char *handle_logger_add_channel(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
 {
 	struct logchannel *chan;
diff --git a/res/ari/ari_model_validators.c b/res/ari/ari_model_validators.c
index 26e9b74..7461175 100644
--- a/res/ari/ari_model_validators.c
+++ b/res/ari/ari_model_validators.c
@@ -366,12 +366,22 @@
 {
 	int res = 1;
 	struct ast_json_iter *iter;
+	int has_channel = 0;
 	int has_configuration = 0;
-	int has_name = 0;
 	int has_status = 0;
 	int has_type = 0;
 
 	for (iter = ast_json_object_iter(json); iter; iter = ast_json_object_iter_next(json, iter)) {
+		if (strcmp("channel", ast_json_object_iter_key(iter)) == 0) {
+			int prop_is_valid;
+			has_channel = 1;
+			prop_is_valid = ast_ari_validate_string(
+				ast_json_object_iter_value(iter));
+			if (!prop_is_valid) {
+				ast_log(LOG_ERROR, "ARI LogChannel field channel failed validation\n");
+				res = 0;
+			}
+		} else
 		if (strcmp("configuration", ast_json_object_iter_key(iter)) == 0) {
 			int prop_is_valid;
 			has_configuration = 1;
@@ -379,16 +389,6 @@
 				ast_json_object_iter_value(iter));
 			if (!prop_is_valid) {
 				ast_log(LOG_ERROR, "ARI LogChannel field configuration failed validation\n");
-				res = 0;
-			}
-		} else
-		if (strcmp("name", ast_json_object_iter_key(iter)) == 0) {
-			int prop_is_valid;
-			has_name = 1;
-			prop_is_valid = ast_ari_validate_string(
-				ast_json_object_iter_value(iter));
-			if (!prop_is_valid) {
-				ast_log(LOG_ERROR, "ARI LogChannel field name failed validation\n");
 				res = 0;
 			}
 		} else
@@ -420,13 +420,13 @@
 		}
 	}
 
-	if (!has_configuration) {
-		ast_log(LOG_ERROR, "ARI LogChannel missing required field configuration\n");
+	if (!has_channel) {
+		ast_log(LOG_ERROR, "ARI LogChannel missing required field channel\n");
 		res = 0;
 	}
 
-	if (!has_name) {
-		ast_log(LOG_ERROR, "ARI LogChannel missing required field name\n");
+	if (!has_configuration) {
+		ast_log(LOG_ERROR, "ARI LogChannel missing required field configuration\n");
 		res = 0;
 	}
 
diff --git a/res/ari/ari_model_validators.h b/res/ari/ari_model_validators.h
index b181506..1803f57 100644
--- a/res/ari/ari_model_validators.h
+++ b/res/ari/ari_model_validators.h
@@ -1302,8 +1302,8 @@
  * - attribute: string (required)
  * - value: string (required)
  * LogChannel
+ * - channel: string (required)
  * - configuration: string (required)
- * - name: string (required)
  * - status: string (required)
  * - type: string (required)
  * Module
diff --git a/res/ari/resource_asterisk.c b/res/ari/resource_asterisk.c
index d2e77f5..070a1aa 100644
--- a/res/ari/resource_asterisk.c
+++ b/res/ari/resource_asterisk.c
@@ -628,6 +628,33 @@
 	ast_ari_response_no_content(response);
 }
 
+void ast_ari_asterisk_add_log(struct ast_variable *headers,
+	struct ast_ari_asterisk_add_log_args *args,
+	struct ast_ari_response *response)
+{
+	int res;
+
+	ast_assert(response != NULL);
+
+	res = ast_logger_create_channel(args->log_channel_name, args->configuration);
+
+	if (res == AST_LOGGER_DECLINE) {
+		ast_ari_response_error(response, 400, "Bad Request",
+			"Configuration levels are required");
+		return;
+	} else if (res == AST_LOGGER_FAILURE) {
+		ast_ari_response_error(response, 409, "Conflict",
+			"Log channel already exists");
+		return;
+	} else if (res == AST_LOGGER_ALLOC_ERROR) {
+		ast_ari_response_error(response, 500, "Internal Server Error",
+			"Allocation failed");
+		return;
+	}
+
+	ast_ari_response_no_content(response);
+}
+
 void ast_ari_asterisk_rotate_log(struct ast_variable *headers,
 	struct ast_ari_asterisk_rotate_log_args *args,
 	struct ast_ari_response *response)
diff --git a/res/ari/resource_asterisk.h b/res/ari/resource_asterisk.h
index 00f463c..5f84d07 100644
--- a/res/ari/resource_asterisk.h
+++ b/res/ari/resource_asterisk.h
@@ -194,6 +194,32 @@
  * \param[out] response HTTP response
  */
 void ast_ari_asterisk_reload_module(struct ast_variable *headers, struct ast_ari_asterisk_reload_module_args *args, struct ast_ari_response *response);
+/*! Argument struct for ast_ari_asterisk_add_log() */
+struct ast_ari_asterisk_add_log_args {
+	/*! The log channel to add */
+	const char *log_channel_name;
+	/*! levels of the log channel */
+	const char *configuration;
+};
+/*!
+ * \brief Body parsing function for /asterisk/logging/{logChannelName}.
+ * \param body The JSON body from which to parse parameters.
+ * \param[out] args The args structure to parse into.
+ * \retval zero on success
+ * \retval non-zero on failure
+ */
+int ast_ari_asterisk_add_log_parse_body(
+	struct ast_json *body,
+	struct ast_ari_asterisk_add_log_args *args);
+
+/*!
+ * \brief Adds a log channel.
+ *
+ * \param headers HTTP headers
+ * \param args Swagger parameters
+ * \param[out] response HTTP response
+ */
+void ast_ari_asterisk_add_log(struct ast_variable *headers, struct ast_ari_asterisk_add_log_args *args, struct ast_ari_response *response);
 /*! Argument struct for ast_ari_asterisk_delete_log() */
 struct ast_ari_asterisk_delete_log_args {
 	/*! Log channels name */
diff --git a/res/res_ari_asterisk.c b/res/res_ari_asterisk.c
index 320800a..08ec951 100644
--- a/res/res_ari_asterisk.c
+++ b/res/res_ari_asterisk.c
@@ -721,6 +721,104 @@
 fin: __attribute__((unused))
 	return;
 }
+int ast_ari_asterisk_add_log_parse_body(
+	struct ast_json *body,
+	struct ast_ari_asterisk_add_log_args *args)
+{
+	struct ast_json *field;
+	/* Parse query parameters out of it */
+	field = ast_json_object_get(body, "configuration");
+	if (field) {
+		args->configuration = ast_json_string_get(field);
+	}
+	return 0;
+}
+
+/*!
+ * \brief Parameter parsing callback for /asterisk/logging/{logChannelName}.
+ * \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_asterisk_add_log_cb(
+	struct ast_tcptls_session_instance *ser,
+	struct ast_variable *get_params, struct ast_variable *path_vars,
+	struct ast_variable *headers, struct ast_ari_response *response)
+{
+	struct ast_ari_asterisk_add_log_args args = {};
+	struct ast_variable *i;
+	RAII_VAR(struct ast_json *, body, NULL, ast_json_unref);
+#if defined(AST_DEVMODE)
+	int is_valid;
+	int code;
+#endif /* AST_DEVMODE */
+
+	for (i = get_params; i; i = i->next) {
+		if (strcmp(i->name, "configuration") == 0) {
+			args.configuration = (i->value);
+		} else
+		{}
+	}
+	for (i = path_vars; i; i = i->next) {
+		if (strcmp(i->name, "logChannelName") == 0) {
+			args.log_channel_name = (i->value);
+		} else
+		{}
+	}
+	/* Look for a JSON request entity */
+	body = ast_http_get_json(ser, headers);
+	if (!body) {
+		switch (errno) {
+		case EFBIG:
+			ast_ari_response_error(response, 413, "Request Entity Too Large", "Request body too large");
+			goto fin;
+		case ENOMEM:
+			ast_ari_response_error(response, 500, "Internal Server Error", "Error processing request");
+			goto fin;
+		case EIO:
+			ast_ari_response_error(response, 400, "Bad Request", "Error parsing request body");
+			goto fin;
+		}
+	}
+	if (ast_ari_asterisk_add_log_parse_body(body, &args)) {
+		ast_ari_response_alloc_failed(response);
+		goto fin;
+	}
+	ast_ari_asterisk_add_log(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: /* Bad request body */
+	case 409: /* Log channel could not be created. */
+		is_valid = 1;
+		break;
+	default:
+		if (200 <= code && code <= 299) {
+			is_valid = ast_ari_validate_void(
+				response->message);
+		} else {
+			ast_log(LOG_ERROR, "Invalid error response %d for /asterisk/logging/{logChannelName}\n", code);
+			is_valid = 0;
+		}
+	}
+
+	if (!is_valid) {
+		ast_log(LOG_ERROR, "Response validation failed for /asterisk/logging/{logChannelName}\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 /asterisk/logging/{logChannelName}.
  * \param get_params GET parameters in the HTTP request.
@@ -1120,6 +1218,7 @@
 	.path_segment = "logChannelName",
 	.is_wildcard = 1,
 	.callbacks = {
+		[AST_HTTP_POST] = ast_ari_asterisk_add_log_cb,
 		[AST_HTTP_DELETE] = ast_ari_asterisk_delete_log_cb,
 	},
 	.num_children = 1,
diff --git a/rest-api/api-docs/asterisk.json b/rest-api/api-docs/asterisk.json
index c251dfa..6b2c896 100644
--- a/rest-api/api-docs/asterisk.json
+++ b/rest-api/api-docs/asterisk.json
@@ -301,6 +301,40 @@
 			"description": "Asterisk log channel",
 			"operations": [
 				{
+					"httpMethod": "POST",
+					"summary": "Adds a log channel.",
+					"nickname": "addLog",
+					"responseClass": "void",
+					"parameters": [
+						{
+							"name": "logChannelName",
+							"description": "The log channel to add",
+							"paramType": "path",
+							"required": true,
+							"allowMultiple": false,
+							"dataType": "string"
+						},
+						{
+							"name": "configuration",
+							"description": "levels of the log channel",
+							"paramType": "query",
+							"required": true,
+							"allowMultiple": false,
+							"dataType": "string"
+						}
+					],
+					"errorResponses": [
+						{
+							"code": 400,
+							"reason": "Bad request body"
+						},
+						{
+							"code": 409,
+							"reason": "Log channel could not be created."
+						}
+					]
+				},
+				{
 					"httpMethod": "DELETE",
 					"summary": "Deletes a log channel.",
 					"nickname": "deleteLog",
@@ -609,7 +643,7 @@
 					"required": true
 				},
 				"configuration": {
-					"type": "List[string]",
+					"type": "string",
 					"description": "The various log levels",
 					"required": true
 				}

-- 
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Gerrit-MessageType: merged
Gerrit-Change-Id: I9a20e5c75716dfbb6b62fd3474faf55be20bd782
Gerrit-PatchSet: 5
Gerrit-Project: asterisk
Gerrit-Branch: 13
Gerrit-Owner: Scott Emidy <jemidy at digium.com>
Gerrit-Reviewer: Anonymous Coward #1000019
Gerrit-Reviewer: Ashley Sanders <asanders at digium.com>
Gerrit-Reviewer: Joshua Colp <jcolp at digium.com>
Gerrit-Reviewer: Mark Michelson <mmichelson at digium.com>



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