X-Git-Url: http://git.cascardo.info/?p=cascardo%2Ff2fchat.git;a=blobdiff_plain;f=friend.c;h=03d306da94479620cb797d389e20cefd590ed0c6;hp=68deccdf67b681c70ef9ae7fabc9c97af3c1866e;hb=f7c4d6ccc1fd3c452481a2d085486f8dec3860fb;hpb=123b3a7a3989a0f040da5cc16f997ff5961fe593

diff --git a/friend.c b/friend.c
index 68deccd..03d306d 100644
--- a/friend.c
+++ b/friend.c
@@ -27,11 +27,18 @@
 #include <stdio.h>
 #include "message.h"
 
+enum {
+	STATE_OFFLINE,
+	STATE_PINGED,
+	STATE_ONLINE,
+};
+
 struct friend {
 	char *name;
 	char *address;
 	uint16_t port;
 	GInetSocketAddress *saddr;
+	int state;
 };
 
 static GSocket *usock;
@@ -64,6 +71,22 @@ int friend_send_message(struct friend *friend, char *buffer, size_t len)
 	return 0;
 }
 
+void friend_timeout(struct friend *friend)
+{
+	if (friend->state == STATE_PINGED) {
+		friend->state = STATE_OFFLINE;
+	}
+}
+
+void friend_got_message(struct friend *friend, char *buffer, size_t len)
+{
+	if (len >= 4 && !strncmp(buffer, "PING", 4)) {
+		pong(friend);
+	} else if (len >= 4 && !strncmp(buffer, "PONG", 4)) {
+		friend->state = STATE_ONLINE;
+	}
+}
+
 struct cache {
 	GList *friends;
 };
@@ -123,6 +146,7 @@ int cache_add_friend(struct cache *cache, char *name, char *address, uint16_t po
 	g_object_unref(addr);
 	cache->friends = g_list_append(cache->friends, friend);
 	ping(friend);
+	friend->state = STATE_PINGED;
 	return 0;
 }