Move JSON event generators into separate modules

This moves the JSON event generators out of the Stasis-HTTP modules and
into standalone JSON-related counterparts so that Stasis-HTTP and
res_stasis can depend on them without creating dependency cycles. This
also provides a future location for Swagger Model validator functions
once the generators for that code are written.

Review: https://reviewboard.asterisk.org/r/2534/


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@388668 65c4cc65-6c06-0410-ace0-fbb531ad65f3

rest-api-templates/res_stasis_json_resource.c.mustache

@@ -0,0 +1,151 @@
+{{#api_declaration}}
+/*
+ * Asterisk -- An open source telephony toolkit.
+ *
+ * {{{copyright}}}
+ *
+ * {{{author}}}
+{{! Template Copyright
+ * Copyright (C) 2013, Digium, Inc.
+ *
+ * Kinsey Moore <kmoore@digium.com>
+}}
+ *
+ * See http://www.asterisk.org for more information about
+ * the Asterisk project. Please do not directly contact
+ * any of the maintainers of this project for assistance;
+ * the project provides a web site, mailing lists and IRC
+ * channels for your use.
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License Version 2. See the LICENSE file
+ * at the top of the source tree.
+ */
+
+{{! Template for rendering the res_ module for an HTTP resource. }}
+/*
+{{> do-not-edit}}
+ * This file is generated by a mustache template. Please see the original
+ * template in rest-api-templates/res_stasis_http_resource.c.mustache
+ */
+
+/*! \file
+ *
+ * \brief {{{description}}}
+ *
+ * \author {{{author}}}
+ */
+
+/*** MODULEINFO
+	<support_level>core</support_level>
+ ***/
+
+#include "asterisk.h"
+
+ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
+
+#include "asterisk/module.h"
+#include "asterisk/json.h"
+#include "stasis_json/resource_{{name}}.h"
+{{#has_events}}
+#include "asterisk/stasis_channels.h"
+
+{{#events}}
+{{> event_function_decl}}
+	)
+{
+	RAII_VAR(struct ast_json *, message, NULL, ast_json_unref);
+	RAII_VAR(struct ast_json *, event, NULL, ast_json_unref);
+{{#has_properties}}
+	struct ast_json *validator;
+{{/has_properties}}
+{{#channel}}
+	int ret;
+{{/channel}}
+{{#bridge}}
+{{^channel}}
+	int ret;
+{{/channel}}
+{{/bridge}}
+
+{{#channel}}
+	ast_assert(channel_snapshot != NULL);
+{{/channel}}
+{{#bridge}}
+	ast_assert(bridge_snapshot != NULL);
+{{/bridge}}
+{{#has_properties}}
+	ast_assert(blob != NULL);
+{{#channel}}
+	ast_assert(ast_json_object_get(blob, "channel") == NULL);
+{{/channel}}
+{{#bridge}}
+	ast_assert(ast_json_object_get(blob, "bridge") == NULL);
+{{/bridge}}
+	ast_assert(ast_json_object_get(blob, "type") == NULL);
+{{#properties}}
+
+	validator = ast_json_object_get(blob, "{{name}}");
+	if (validator) {
+		/* do validation? XXX */
+{{#required}}
+	} else {
+		/* fail message generation if the required parameter doesn't exist */
+		return NULL;
+{{/required}}
+	}
+{{/properties}}
+
+	event = ast_json_deep_copy(blob);
+{{/has_properties}}
+{{^has_properties}}
+
+	event = ast_json_object_create();
+{{/has_properties}}
+	if (!event) {
+		return NULL;
+	}
+
+{{#channel}}
+	ret = ast_json_object_set(event,
+		"channel", ast_channel_snapshot_to_json(channel_snapshot));
+	if (ret) {
+		return NULL;
+	}
+
+{{/channel}}
+{{#bridge}}
+	ret = ast_json_object_set(event,
+		"bridge", ast_bridge_snapshot_to_json(bridge_snapshot));
+	if (ret) {
+		return NULL;
+	}
+
+{{/bridge}}
+	message = ast_json_pack("{s: o}", "{{c_id}}", ast_json_ref(event));
+	if (!message) {
+		return NULL;
+	}
+
+	return ast_json_ref(message);
+}
+
+{{/events}}
+{{/has_events}}
+static int load_module(void)
+{
+	return 0;
+}
+
+static int unload_module(void)
+{
+	return 0;
+}
+
+AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_GLOBAL_SYMBOLS | AST_MODFLAG_LOAD_ORDER,
+	"Stasis JSON Generators and Validators - {{{description}}}",
+	.load = load_module,
+	.unload = unload_module,
+	.load_pri = AST_MODPRI_DEFAULT,
+	);
+{{/api_declaration}}