From 606112e234e1604b7998b54648cd02966bf959b6 Mon Sep 17 00:00:00 2001
From: Joshua Colp <jcolp@digium.com>
Date: Sun, 16 Aug 2009 19:27:39 +0000
Subject: [PATCH] Add two more API calls for getting the current glue and
 channel in bridging code.

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@212390 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 include/asterisk/rtp_engine.h | 40 +++++++++++++++++++++++++++++++++++
 main/rtp_engine.c             | 24 +++++++++++++++++++++
 2 files changed, 64 insertions(+)

diff --git a/include/asterisk/rtp_engine.h b/include/asterisk/rtp_engine.h
index 605cc17a77..5d5ae3f7b1 100644
--- a/include/asterisk/rtp_engine.h
+++ b/include/asterisk/rtp_engine.h
@@ -1658,6 +1658,46 @@ int ast_rtp_instance_get_hold_timeout(struct ast_rtp_instance *instance);
  */
 struct ast_rtp_engine *ast_rtp_instance_get_engine(struct ast_rtp_instance *instance);
 
+/*!
+ * \brief Get the RTP glue in use on an RTP instance
+ *
+ * \param instance The RTP instance
+ *
+ * \retval pointer to the glue
+ *
+ * Example:
+ *
+ * \code
+ * struct ast_rtp_glue *glue = ast_rtp_instance_get_active_glue(instance);
+ * \endcode
+ *
+ * This gets the RTP glue currently in use on the RTP instance pointed to by 'instance'.
+ *
+ * \since 1.6.3
+ */
+struct ast_rtp_glue *ast_rtp_instance_get_active_glue(struct ast_rtp_instance *instance);
+
+/*!
+ * \brief Get the channel that is associated with an RTP instance while in a bridge
+ *
+ * \param instance The RTP instance
+ *
+ * \retval pointer to the channel
+ *
+ * Example:
+ *
+ * \code
+ * struct ast_channel *chan = ast_rtp_instance_get_chan(instance);
+ * \endcode
+ *
+ * This gets the channel associated with the RTP instance pointed to by 'instance'.
+ *
+ * \note This will only return a channel while in a local or remote bridge.
+ *
+ * \since 1.6.3
+ */
+struct ast_channel *ast_rtp_instance_get_chan(struct ast_rtp_instance *instance);
+
 #if defined(__cplusplus) || defined(c_plusplus)
 }
 #endif
diff --git a/main/rtp_engine.c b/main/rtp_engine.c
index 5d4bdac106..ee45bfc070 100644
--- a/main/rtp_engine.c
+++ b/main/rtp_engine.c
@@ -63,6 +63,10 @@ struct ast_rtp_instance {
 	int holdtimeout;
 	/*! DTMF mode in use */
 	enum ast_rtp_dtmf_mode dtmf_mode;
+	/*! Glue currently in use */
+	struct ast_rtp_glue *glue;
+	/*! Channel associated with the instance */
+	struct ast_channel *chan;
 };
 
 /*! List of RTP engines that are currently registered */
@@ -1233,6 +1237,11 @@ enum ast_bridge_result ast_rtp_instance_bridge(struct ast_channel *c0, struct as
 		goto done;
 	}
 
+	instance0->glue = glue0;
+	instance1->glue = glue1;
+	instance0->chan = c0;
+	instance1->chan = c1;
+
 	/* Depending on the end result for bridging either do a local bridge or remote bridge */
 	if (audio_glue0_res == AST_RTP_GLUE_RESULT_LOCAL || audio_glue1_res == AST_RTP_GLUE_RESULT_LOCAL) {
 		ast_verbose(VERBOSE_PREFIX_3 "Locally bridging %s and %s\n", c0->name, c1->name);
@@ -1244,6 +1253,11 @@ enum ast_bridge_result ast_rtp_instance_bridge(struct ast_channel *c0, struct as
 				fo, rc, c0->tech_pvt, c1->tech_pvt);
 	}
 
+	instance0->glue = NULL;
+	instance1->glue = NULL;
+	instance0->chan = NULL;
+	instance1->chan = NULL;
+
 	unlock_chans = 0;
 
 done:
@@ -1620,3 +1634,13 @@ struct ast_rtp_engine *ast_rtp_instance_get_engine(struct ast_rtp_instance *inst
 {
 	return instance->engine;
 }
+
+struct ast_rtp_glue *ast_rtp_instance_get_active_glue(struct ast_rtp_instance *instance)
+{
+	return instance->glue;
+}
+
+struct ast_channel *ast_rtp_instance_get_chan(struct ast_rtp_instance *instance)
+{
+	return instance->chan;
+}