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* In case of an error, status is always -1, only errno shows the actual error.

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* Added test mode for UDP broadcasting.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@18485 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2006-08-11 14:56:16 +00:00
parent c6bfe05b1e
commit e192628c47
1 changed files with 71 additions and 13 deletions
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80
src/tests/kits/net/udp_echo.c
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@ -4,11 +4,13 @@
*
* Authors:
* Oliver Tappe, zooey@hirschkaefer.de
* Axel Dörfler, axeld@pinc-software.de
*/
#include <arpa/inet.h>
#include <ctype.h>
#include <errno.h>
#include <netinet/in.h>
#include <stdio.h>
#include <stdlib.h>
@ -33,13 +35,13 @@ printf("trying to send %u bytes...\n", len);
status = sendto(sockFD, buf, len, 0,
(struct sockaddr*)serverAddr, sizeof(struct sockaddr_in));
if (status < 0) {
printf("sendto(): %lx (%s)\n", status, strerror(status));
printf("sendto(): %x (%s)\n", errno, strerror(errno));
exit(5);
}
len = 0;
status = recvfrom(sockFD, buf, MAXLEN-1, 0, NULL, NULL);
if (status < 0) {
printf("recvfrom(): %lx (%s)\n", status, strerror(status));
printf("recvfrom(): %x (%s)\n", errno, strerror(errno));
exit(5);
}
buf[status] = 0;
@ -48,6 +50,36 @@ printf("trying to send %u bytes...\n", len);
}
static void
udp_broadcast(int sockFD, const struct sockaddr_in* serverAddr)
{
char buf[MAXLEN];
int option = 1;
int len;
int status;
strcpy(buf, "broadcast");
len = strlen(buf);
setsockopt(sockFD, SOL_SOCKET, SO_BROADCAST, &option, sizeof(option));
status = sendto(sockFD, buf, len, 0,
(struct sockaddr*)serverAddr, sizeof(struct sockaddr_in));
if (status < 0) {
printf("sendto(): %s\n", strerror(errno));
exit(5);
}
status = recvfrom(sockFD, buf, MAXLEN-1, 0, NULL, NULL);
if (status < 0) {
printf("recvfrom(): %x (%s)\n", errno, strerror(errno));
exit(5);
}
buf[status] = 0;
printf("-> %s\n", buf);
}
static void
udp_echo_server(int sockFD)
{
@ -61,7 +93,7 @@ udp_echo_server(int sockFD)
len = sizeof(clientAddr);
status = recvfrom(sockFD, buf, MAXLEN-1, 0, (struct sockaddr*)&clientAddr, &len);
if (status < 0) {
printf("recvfrom(): %lx (%s)\n", status, strerror(status));
printf("recvfrom(): %x (%s)\n", errno, strerror(errno));
exit(5);
}
buf[status] = 0;
@ -76,7 +108,7 @@ udp_echo_server(int sockFD)
status = sendto(sockFD, buf, status, 0,
(struct sockaddr*)&clientAddr, sizeof(clientAddr));
if (status < 0) {
printf("sendto(): %lx (%s)\n", status, strerror(status));
printf("sendto(): %x (%s)\n", errno, strerror(errno));
exit(5);
}
}
@ -86,20 +118,25 @@ udp_echo_server(int sockFD)
int
main(int argc, char** argv)
{
long status;
unsigned long status;
int sockFD;
struct sockaddr_in serverAddr, localAddr;
int clientMode;
enum {
CLIENT_MODE,
BROADCAST_MODE,
SERVER_MODE,
} mode;
unsigned short bindPort = 0;
if (argc < 2) {
printf("usage: %s client <IP-address> <port> [local-port]\n", argv[0]);
printf("or %s broadcast <port> <local-port>\n", argv[0]);
printf("or %s server <local-port>\n", argv[0]);
exit(5);
}
if (!strcmp(argv[1], "client")) {
clientMode = 1;
mode = CLIENT_MODE;
if (argc < 4) {
printf("usage: %s client <IP-address> <port> [local-port]\n", argv[0]);
exit(5);
@ -112,8 +149,22 @@ main(int argc, char** argv)
bindPort = atoi(argv[4]);
printf("client connected to server(%lx:%u)\n", serverAddr.sin_addr.s_addr,
ntohs(serverAddr.sin_port));
} else if (!strcmp(argv[1], "broadcast")) {
mode = BROADCAST_MODE;
if (argc < 3) {
printf("usage: %s broadcast <port> [local-port]\n", argv[0]);
exit(5);
}
memset(&serverAddr, 0, sizeof(struct sockaddr_in));
serverAddr.sin_family = AF_INET;
serverAddr.sin_port = htons(atoi(argv[2]));
serverAddr.sin_addr.s_addr = INADDR_BROADCAST;
if (argc > 3)
bindPort = atoi(argv[3]);
} else if (!strcmp(argv[1], "server")) {
clientMode = 0;
mode = SERVER_MODE;
if (argc < 3) {
printf("usage: %s server <local-port>\n", argv[0]);
exit(5);
@ -130,15 +181,22 @@ main(int argc, char** argv)
printf("binding to port %u\n", bindPort);
status = bind(sockFD, (struct sockaddr *)&localAddr, sizeof(localAddr));
if (status < 0) {
printf("bind(): %lx (%s)\n", status, strerror(status));
printf("bind(): %x (%s)\n", errno, strerror(errno));
exit(5);
}
}
if (clientMode)
switch (mode) {
case CLIENT_MODE:
udp_echo_client(sockFD, &serverAddr);
else
break;
case BROADCAST_MODE:
udp_broadcast(sockFD, &serverAddr);
break;
case SERVER_MODE:
udp_echo_server(sockFD);
break;
}
return 0;
}