X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=test.c;h=0eb8462b4b60f26a17c87860384d238500748db8;hb=619f181e8507d7195b5f855d9fb7922e956f8233;hp=922099a9009dc83c386417a84fa2c2b8ac848628;hpb=5e2471e7e38b68745668aa9c3b1d55297895bba2;p=utcp

diff --git a/test.c b/test.c
index 922099a..0eb8462 100644
--- a/test.c
+++ b/test.c
@@ -13,8 +13,11 @@
 
 #include "utcp.h"
 
+#define DIR_READ 1
+#define DIR_WRITE 2
+
 struct utcp_connection *c;
-int dir = 3;
+int dir = DIR_READ | DIR_WRITE;
 bool running = true;
 double dropin;
 double dropout;
@@ -25,7 +28,7 @@ ssize_t do_recv(struct utcp_connection *c, const void *data, size_t len) {
 			fprintf(stderr, "Error: %s\n", strerror(errno));
 			dir = 0;
 		} else {
-			dir &= ~2;
+			dir &= ~DIR_WRITE;
 			fprintf(stderr, "Connection closed by peer\n");
 		}
 		return -1;
@@ -36,14 +39,18 @@ ssize_t do_recv(struct utcp_connection *c, const void *data, size_t len) {
 void do_accept(struct utcp_connection *nc, uint16_t port) {
 	utcp_accept(nc, do_recv, NULL);
 	c = nc;
+	utcp_set_accept_cb(c->utcp, NULL, NULL);
 }
 
 ssize_t do_send(struct utcp *utcp, const void *data, size_t len) {
 	int s = *(int *)utcp->priv;
-	if(drand48() >= dropout)
-		return send(s, data, len, MSG_DONTWAIT);
-	else
+	if(drand48() < dropout)
 		return len;
+
+	ssize_t result = send(s, data, len, MSG_DONTWAIT);
+	if(result <= 0)
+		fprintf(stderr, "Error sending UDP packet: %s\n", strerror(errno));
+	return result;
 }
 
 int main(int argc, char *argv[]) {
@@ -70,7 +77,7 @@ int main(int argc, char *argv[]) {
 		return 1;
 
 	int s = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol);
-	if(s < 0)
+	if(s == -1)
 		return 1;
 
 	if(server) {
@@ -102,31 +109,47 @@ int main(int argc, char *argv[]) {
 	char buf[102400];
 	struct timeval timeout = utcp_timeout(u);
 
-	while(dir) {
-		poll(fds, 2, timeout.tv_sec * 1000 + timeout.tv_usec / 1000);
+	while(!connected || utcp_is_active(u)) {
+		size_t max = c ? utcp_get_sndbuf_free(c) : 0;
+		if(max > sizeof buf)
+			max = sizeof buf;
+
+		if((dir & DIR_READ) && max)
+			poll(fds, 2, timeout.tv_sec * 1000 + timeout.tv_usec / 1000);
+		else
+			poll(fds + 1, 1, timeout.tv_sec * 1000 + timeout.tv_usec / 1000);
 
 		if(fds[0].revents) {
-			int len = read(0, buf, sizeof buf);
+			fds[0].revents = 0;
+			fprintf(stderr, "0");
+			ssize_t len = read(0, buf, max);
 			if(len <= 0) {
 				fds[0].fd = -1;
-				dir &= ~1;
+				dir &= ~DIR_READ;
 				if(c)
 					utcp_shutdown(c, SHUT_WR);
-				if(len < 0)
+				if(len == -1)
 					break;
 				else
 					continue;
 			}
-			if(c)
-				utcp_send(c, buf, len);
+			if(c) {
+				ssize_t sent = utcp_send(c, buf, len);
+				if(sent != len)
+					fprintf(stderr, "PANIEK: %zd != %zd\n", sent, len);
+			}
 		}
 
 		if(fds[1].revents) {
+			fds[1].revents = 0;
+			fprintf(stderr, "1");
 			struct sockaddr_storage ss;
 			socklen_t sl = sizeof ss;
 			int len = recvfrom(s, buf, sizeof buf, MSG_DONTWAIT, (struct sockaddr *)&ss, &sl);
-			if(len <= 0)
+			if(len <= 0) {
+				fprintf(stderr, "Error receiving UDP packet: %s\n", strerror(errno));
 				break;
+			}
 			if(!connected)
 				if(!connect(s, (struct sockaddr *)&ss, sl))
 					connected = true;