1/*
2 * Copyright 2006, Haiku, Inc. All Rights Reserved.
3 * Distributed under the terms of the MIT License.
4 *
5 * Authors:
6 *		Oliver Tappe, zooey@hirschkaefer.de
7 */
8
9
10#include <arpa/inet.h>
11#include <netinet/in.h>
12#include <stdio.h>
13#include <stdlib.h>
14#include <string.h>
15#include <sys/socket.h>
16
17#define MAXLEN 32768
18
19
20static void
21udp_client(int sockFD, const struct sockaddr_in* serverAddr)
22{
23	char sendbuf[MAXLEN];
24	long status;
25
26	while (!feof(stdin)) {
27		status = fread(sendbuf, 1, MAXLEN, stdin);
28		if (status < 0) {
29			printf("fread(): %lx (%s)\n", status, strerror(status));
30			exit(5);
31		}
32printf("trying to send %ld bytes...\n", status);
33		status = sendto(sockFD, sendbuf, status, 0,
34			(struct sockaddr*)serverAddr, sizeof(struct sockaddr_in));
35		if (status < 0) {
36			printf("sendto(): %lx (%s)\n", status, strerror(status));
37			exit(5);
38		}
39	}
40}
41
42
43int
44main(int argc, char** argv)
45{
46	long status;
47	int sockFD;
48	struct sockaddr_in serverAddr, clientAddr;
49
50	if (argc < 3) {
51		printf("usage: %s <IP-address> <port> [local-port]\n", argv[0]);
52		exit(5);
53	}
54
55	memset(&serverAddr, 0, sizeof(struct sockaddr_in));
56	serverAddr.sin_family = AF_INET;
57	serverAddr.sin_port = htons(atoi(argv[2]));
58	serverAddr.sin_addr.s_addr = inet_addr(argv[1]);
59	printf("addr=%lx port=%u\n", serverAddr.sin_addr.s_addr, ntohs(serverAddr.sin_port));
60
61	sockFD = socket(AF_INET, SOCK_DGRAM, 0);
62
63	if (argc > 3) {
64		memset(&clientAddr, 0, sizeof(struct sockaddr_in));
65		clientAddr.sin_family = AF_INET;
66		clientAddr.sin_port = htons(atoi(argv[3]));
67		printf("binding to port %u\n", ntohs(clientAddr.sin_port));
68		status = bind(sockFD, (struct sockaddr *)&clientAddr, sizeof(struct sockaddr_in));
69		if (status < 0) {
70			printf("bind(): %lx (%s)\n", status, strerror(status));
71			exit(5);
72		}
73	}
74
75	udp_client(sockFD, &serverAddr);
76	return 0;
77}
78