* added small test program done by Axel (and slightly changed by myself) that

exposes a problem in our UDP-connect implementation: the local address is 
  not set as a side-effect of connecting to a specific destination.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@34987 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/tests/kits/net/Jamfile

@@ -5,6 +5,7 @@ SetSubDirSupportedPlatformsBeOSCompatible ;
 SimpleTest firefox_crash : firefox_crash.cpp : $(TARGET_NETWORK_LIBS) ;
 
 SimpleTest udp_client : udp_client.c : $(TARGET_NETWORK_LIBS) ;
+SimpleTest udp_connect : udp_connect.cpp : $(TARGET_NETWORK_LIBS) ;
 SimpleTest udp_echo : udp_echo.c : $(TARGET_NETWORK_LIBS) ;
 SimpleTest udp_server : udp_server.c : $(TARGET_NETWORK_LIBS) ;
 

src/tests/kits/net/udp_connect.cpp

@@ -0,0 +1,90 @@
+/*
+ * Copyright 2010, Axel Dörfler, axeld@pinc-software.de.
+ * This file may be used under the terms of the MIT License.
+ */
+
+
+#include <arpa/inet.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+
+static bool sReceiveMode = false;
+
+
+int
+main(int argc, char** argv)
+{
+	const char* peerAddress = "192.168.0.1";
+	if (argc > 1)
+		peerAddress = argv[1];
+
+	if (argc > 2 && !strcmp(argv[2], "recv"))
+		sReceiveMode = true;
+
+	int fd = socket(AF_INET, SOCK_DGRAM, 0);
+	if (fd < 0)
+		return 1;
+
+#if 1
+	sockaddr_in addr;
+	addr.sin_family = AF_INET;
+	addr.sin_addr.s_addr = INADDR_ANY;
+	addr.sin_port = htons(sReceiveMode ? 8888 : 0);
+	if (bind(fd, (sockaddr*)&addr, sizeof(addr)) != 0)
+		perror("bind");
+
+	sockaddr ours;
+	socklen_t ourLength = sizeof(sockaddr);
+	if (getsockname(fd, &ours, &ourLength) != 0)
+		perror("getsockname");
+	else {
+		printf("After bind: local address %s (%u)\n",
+			inet_ntoa(((sockaddr_in&)ours).sin_addr),
+			ntohs(((sockaddr_in&)ours).sin_port));
+	}
+#endif
+
+	if (!sReceiveMode) {
+		sockaddr_in peer;
+		peer.sin_family = AF_INET;
+		peer.sin_addr.s_addr = inet_addr(peerAddress);
+		peer.sin_port = htons(sReceiveMode ? 0 : 8888);
+		if (connect(fd, (sockaddr*)&peer, sizeof(peer)) != 0)
+			perror("connect");
+
+		ourLength = sizeof(sockaddr);
+		if (getsockname(fd, &ours, &ourLength) != 0)
+			perror("getsockname");
+		else {
+			printf("After connect: local address %s (%u)\n",
+				inet_ntoa(((sockaddr_in&)ours).sin_addr),
+				ntohs(((sockaddr_in&)ours).sin_port));
+		}
+	}
+
+	char buffer[256];
+	if (sReceiveMode) {
+		ssize_t bytesReceived = recv(fd, buffer, sizeof(buffer), 0);
+		if (bytesReceived > 0) {
+			buffer[bytesReceived] = 0;
+			printf("received: %s\n", buffer);
+		} else
+			perror("recv");
+	} else {
+		if (argc > 2)
+			send(fd, argv[2], strlen(argv[2]), 0);
+		else {
+			fgets(buffer, sizeof(buffer), stdin);
+			send(fd, buffer, strlen(buffer), 0);
+		}
+	}
+
+	close(fd);
+	return 0;
+}
+
+