add database schema for recording daemon

closes #716

Change-Id: I2684b3e74f4a676fd6aa6e2f1c24bfed37bd6db0

recording-daemon/db.c

@@ -9,6 +9,48 @@
 #include "tag.h"
 
 
+/*
+CREATE TABLE `recording_calls` (
+  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
+  `call_id` varchar(250) NOT NULL,
+  `start_timestamp` decimal(13,3) DEFAULT NULL,
+  `end_timestamp` decimal(13,3) DEFAULT NULL,
+  `status` enum('recording','completed','confirmed') DEFAULT 'recording',
+  PRIMARY KEY (`id`),
+  KEY `call_id` (`call_id`)
+)
+CREATE TABLE `recording_streams` (
+  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
+  `call` int(10) unsigned NOT NULL,
+  `local_filename` varchar(250) NOT NULL,
+  `full_filename` varchar(250) NOT NULL,
+  `file_format` varchar(10) NOT NULL,
+  `output_type` enum('mixed','single') NOT NULL,
+  `stream_id` int(10) unsigned NOT NULL,
+  `sample_rate` int(10) unsigned NOT NULL DEFAULT '0',
+  `channels` int(10) unsigned NOT NULL DEFAULT '0',
+  `ssrc` int(10) unsigned NOT NULL,
+  `start_timestamp` decimal(13,3) DEFAULT NULL,
+  `end_timestamp` decimal(13,3) DEFAULT NULL,
+  `tag_label` varchar(255) NOT NULL DEFAULT '',
+  PRIMARY KEY (`id`),
+  KEY `call` (`call`),
+  CONSTRAINT `fk_call_id` FOREIGN KEY (`call`) REFERENCES `recording_calls` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
+)
+CREATE TABLE `recording_metakeys` (
+  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
+  `call` int(10) unsigned NOT NULL,
+  `key` char(255) NOT NULL,
+  `value` char(255) NOT NULL,
+  PRIMARY KEY (`id`),
+  KEY `prim_lookup` (`value`,`key`),
+  KEY `fk_call_idx` (`call`),
+  CONSTRAINT `fk_call_idx` FOREIGN KEY (`call`) REFERENCES `recording_calls` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
+)
+*/
+
+
+
 static MYSQL __thread *mysql_conn;
 static MYSQL_STMT __thread
 	*stm_insert_call,