ping every frame

3 files changed, 16 insertions, 0 deletions

diff --git a/inc/netcode.h b/inc/netcode.h
index ac1bb18..148a519 100644
--- a/inc/netcode.h
+++ b/inc/netcode.h
@@ -8,3 +8,5 @@ void netcode_deinit(void);
 
 int netcode_send(void *data, size_t size);
 int netcode_recv(void *data, size_t size);
+
+int netcode_ping(void);
diff --git a/src/main.c b/src/main.c
index 68080b6..b56f427 100644
--- a/src/main.c
+++ b/src/main.c
@@ -51,5 +51,10 @@ main_loop(void *udata)
 	TZR_DrawBegin();
 	TZR_DrawEnd();
 
+	if (netcode_ping()) {
+		log_error("netcode_ping failed");
+		return -1;
+	}
+
 	return 0;
 }
diff --git a/src/netcode.c b/src/netcode.c
index b3ac6c3..5ae5990 100644
--- a/src/netcode.c
+++ b/src/netcode.c
@@ -99,3 +99,12 @@ netcode_recv(void *data, size_t size)
 	}
 	return 0;
 }
+
+int
+netcode_ping(void)
+{
+	char a = 0;
+	if (_sock_host != NULL)
+		return netcode_recv(&a, 1);
+	return netcode_send(&a, 1);
+}