pespin has uploaded this change for review.

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mgw: Add backpointer from pdata to req to have context available

This will also allow eg. parsing/validating differently based on the
command being parsed, or incrementing rate counters per cmd group.

Change-Id: I464258ca1a8817d58ae5c5426dfc3b7cee6763d3
---
M include/osmocom/mgcp/mgcp_protocol.h
M src/libosmo-mgcp/mgcp_msg.c
M src/libosmo-mgcp/mgcp_protocol.c
3 files changed, 5 insertions(+), 2 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/osmo-mgw refs/changes/20/39720/1

diff --git a/include/osmocom/mgcp/mgcp_protocol.h b/include/osmocom/mgcp/mgcp_protocol.h
index e61669c..2ef4c3e 100644
--- a/include/osmocom/mgcp/mgcp_protocol.h
+++ b/include/osmocom/mgcp/mgcp_protocol.h
@@ -71,7 +71,9 @@
 }
 
 /* Internal structure while parsing a request */
+struct mgcp_request_data;
 struct mgcp_parse_data {
+	struct mgcp_request_data *rq; /* backpointer to request context */
 	char *save;
 	/* MGCP Header: */
 	char *epname;
diff --git a/src/libosmo-mgcp/mgcp_msg.c b/src/libosmo-mgcp/mgcp_msg.c
index 2269a66..af4f9d0 100644
--- a/src/libosmo-mgcp/mgcp_msg.c
+++ b/src/libosmo-mgcp/mgcp_msg.c
@@ -36,7 +36,7 @@
 
 /* (same fmt as LOGPENDP()) */
 #define LOG_MGCP_PDATA(PDATA, LEVEL, FMT, ARGS...) \
-	LOGP(DLMGCP, LEVEL, "endpoint:%s " FMT, (PDATA) ? ((PDATA)->epname ? : "null-epname") : "null-pdata", ##ARGS)
+	LOGP(DLMGCP, LEVEL, "%s: endpoint(%s) " FMT, (PDATA)->rq->name, (PDATA)->epname ? : "null-epname", ##ARGS)
 
 /*! Display an mgcp message on the log output.
  *  \param[in] message mgcp message string
@@ -212,7 +212,7 @@
 			hp->have_sdp = true;
 			goto mgcp_header_done;
 		default:
-			LOG_MGCP_PDATA(pdata, LOGL_NOTICE, "CRCX: unhandled option: '%c'/%d\n", *line, *line);
+			LOG_MGCP_PDATA(pdata, LOGL_NOTICE, "unhandled option: '%c'/%d\n", *line, *line);
 			return -539;
 		}
 	}
diff --git a/src/libosmo-mgcp/mgcp_protocol.c b/src/libosmo-mgcp/mgcp_protocol.c
index 1215b95..1eb241b 100644
--- a/src/libosmo-mgcp/mgcp_protocol.c
+++ b/src/libosmo-mgcp/mgcp_protocol.c
@@ -332,6 +332,7 @@
 	memset(&rq, 0, sizeof(rq));
 	rq.cfg = cfg;
 	memset(&pdata, 0, sizeof(pdata));
+	pdata.rq = &rq;
 
 	/* Parse command name: */
 	memcpy(rq.name, (const char *)&msg->l2h[0], sizeof(rq.name)-1);

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