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MGCP_Templates: Add receive templates for SDP and use those in {CR,MD}CX

Change-Id: Ibc46888b1b7913d399c79ab735841844ff0487ad
---
M library/MGCP_Templates.ttcn
1 file changed, 52 insertions(+), 4 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/17/27117/1

diff --git a/library/MGCP_Templates.ttcn b/library/MGCP_Templates.ttcn
index 917ef89..59aeb7b 100644
--- a/library/MGCP_Templates.ttcn
+++ b/library/MGCP_Templates.ttcn
@@ -113,10 +113,10 @@
 		sdp := sdp
 	}
 
-	template MgcpCommand tr_CRCX(template MgcpEndpoint ep := ?) := {
+	template MgcpCommand tr_CRCX(template MgcpEndpoint ep := ?, template SDP_Message sdp := *) := {
 		line := t_MgcpCmdLine("CRCX", ?, ep),
 		params := *,
-		sdp := *
+		sdp := sdp
 	}
 
 	template MgcpResponse tr_CRCX_ACK := {
@@ -187,10 +187,10 @@
 		sdp := sdp
 	}
 
-	template MgcpCommand tr_MDCX := {
+	template MgcpCommand tr_MDCX(template SDP_Message sdp := *) := {
 		line := t_MgcpCmdLine("MDCX", ?, ?),
 		params := *,
-		sdp := *
+		sdp := sdp
 	}
 
 	template MgcpResponse tr_MDCX_ACK := {
@@ -284,6 +284,18 @@
 		}
 	}
 
+	template SDP_connection tr_SDP_connection_IP(template charstring addr, template charstring addr_type := ?,
+						     template integer ttl := *,
+						     template integer num_of_addr := *) := {
+		net_type := "IN",
+		addr_type := addr_type,
+		conn_addr := {
+			addr := addr,
+			ttl := ttl,
+			num_of_addr := num_of_addr
+		}
+	}
+
 	template SDP_time ts_SDP_time(charstring beg, charstring end) := {
 		time_field := {
 			start_time := beg,
@@ -310,6 +322,25 @@
 		attributes := attributes
 	}
 
+	template SDP_media_desc tr_SDP_media_desc(template integer port_number := ?,
+						  template SDP_fmt_list fmts := ?,
+						  template SDP_attribute_list attributes := ?) := {
+		media_field := {
+			media := "audio",
+			ports := {
+				port_number := port_number,
+				num_of_ports := omit
+			},
+			transport := "RTP/AVP",
+			fmts := fmts
+		},
+		information := omit,
+		connections := omit,
+		bandwidth := omit,
+		key := omit,
+		attributes := attributes
+	}
+
 	/* master template for generating SDP based in template arguments */
 	template SDP_Message ts_SDP(charstring local_addr, charstring remote_addr,
 				    charstring session_id, charstring session_version,
@@ -331,6 +362,23 @@
 		media_list := { ts_SDP_media_desc(rtp_port, fmts, attributes) }
 	}
 
+	template SDP_Message tr_SDP(template charstring remote_addr := ?, template integer rtp_port := ?) := {
+		protocol_version := 0,
+		origin := ?,
+		session_name := ?,
+		information := *,
+		uri := *,
+		emails := *,
+		phone_numbers := *,
+		connection := tr_SDP_connection_IP(remote_addr, ?),
+		bandwidth := *,
+		times := ?,
+		timezone_adjustments := *,
+		key := *,
+		attributes := *,
+		media_list := { tr_SDP_media_desc(rtp_port) }
+	}
+
 	template SDP_attribute ts_SDP_rtpmap(integer fmt, charstring val) := {
 		rtpmap := {
 			attr_value := int2str(fmt) & " " & val

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