From 5ea5dcddfaf6263f424feb8c65f5c2627e5f5bb6 Mon Sep 17 00:00:00 2001
From: Richard Fuchs <rfuchs@sipwise.com>
Date: Tue, 22 Jan 2013 15:47:23 -0500
Subject: [PATCH] call_offer()/answer stubs

---
 daemon/call.c       | 17 +++++++++++++++++
 daemon/call.h       |  5 +++++
 daemon/control_ng.c | 15 ++++++++++++---
 3 files changed, 34 insertions(+), 3 deletions(-)

diff --git a/daemon/call.c b/daemon/call.c
index ac2cb90d5..f864998bd 100644
--- a/daemon/call.c
+++ b/daemon/call.c
@@ -22,6 +22,7 @@
 #include "streambuf.h"
 #include "redis.h"
 #include "xt_MEDIAPROXY.h"
+#include "bencode.h"
 
 
 
@@ -2113,3 +2114,19 @@ struct callstream *callstream_new(struct call *ca, int num) {
 
 	return s;
 }
+
+
+const char *call_offer(bencode_item_t *input, struct callmaster *m, bencode_item_t *output) {
+	const char *sdp;
+	int sdp_len;
+
+	sdp = bencode_dictionary_get_string(input, "sdp", &sdp_len);
+	if (!sdp)
+		return "No SDP body in message";
+
+	return NULL;
+}
+
+const char *call_answer(bencode_item_t *input, struct callmaster *m, bencode_item_t *output) {
+	return NULL;
+}
diff --git a/daemon/call.h b/daemon/call.h
index 39cf86f5b..1dce0de3c 100644
--- a/daemon/call.h
+++ b/daemon/call.h
@@ -13,6 +13,7 @@
 #include "control_udp.h"
 #include "obj.h"
 #include "aux.h"
+#include "bencode.h"
 
 struct poller;
 struct control_stream;
@@ -149,6 +150,10 @@ static inline char *call_strdup(struct call *c, const char *s) {
 	return r;
 }
 
+const char *call_offer(bencode_item_t *, struct callmaster *, bencode_item_t *);
+const char *call_answer(bencode_item_t *, struct callmaster *, bencode_item_t *);
+
+
 
 
 #endif
diff --git a/daemon/control_ng.c b/daemon/control_ng.c
index 11caf0d38..4fdfba711 100644
--- a/daemon/control_ng.c
+++ b/daemon/control_ng.c
@@ -4,6 +4,7 @@
 #include "bencode.h"
 #include "log.h"
 #include "cookie_cache.h"
+#include "call.h"
 
 
 static void control_ng_incoming(struct obj *obj, char *buf, int buf_len, struct sockaddr_in6 *sin, char *addr) {
@@ -38,7 +39,7 @@ static void control_ng_incoming(struct obj *obj, char *buf, int buf_len, struct
 	reply = cookie_cache_lookup(&c->cookie_cache, cookie);
 	if (reply) {
 		mylog(LOG_INFO, "Detected command from %s:%u as a duplicate", addr, ntohs(sin->sin6_port));
-		reply_len = strlen(reply);
+		reply_len = strlen(reply); /* XXX fails for embedded nulls */
 		resp = NULL;
 		goto send_only;
 	}
@@ -55,12 +56,20 @@ static void control_ng_incoming(struct obj *obj, char *buf, int buf_len, struct
 
 	mylog(LOG_INFO, "Got valid command from %s:%u: %.*s [%.*s]", addr, ntohs(sin->sin6_port), cmd_len, cmd, data_len, data);
 
+	errstr = NULL;
 	if (!strmemcmp(cmd, cmd_len, "ping"))
 		bencode_dictionary_add_string(resp, "result", "pong");
-	else {
+	else if (!strmemcmp(cmd, cmd_len, "offer")) {
+		errstr = call_offer(dict, c->callmaster, resp);
+	}
+	else if (!strmemcmp(cmd, cmd_len, "answer")) {
+		errstr = call_answer(dict, c->callmaster, resp);
+	}
+	else
 		errstr = "Unrecognized command";
+
+	if (errstr)
 		goto err_send;
-	}
 
 	goto send_out;