mars_nwe/ipx-utils
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Samples: clean ipxrcv and ipxsend

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Zero sipx buffers not to have garbage. Send message to broadcast
address, so the remote side receives the message.
This commit is contained in:
Dmitry Podgorny
2020-05-29 21:24:40 +03:00
parent d080e6e7dd
commit 268f8cd0c1
2 changed files with 31 additions and 29 deletions
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27
Samples/ipxrcv.c
View File

@@ -1,16 +1,17 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <linux/ipx.h>
#include <netinet/in.h>
#include <sys/socket.h>
#include <errno.h>
int
main(int argc, char **argv)
int main(int argc, char **argv)
{
struct sockaddr_ipx sipx;
int s;
int result;
int rc;
char msg[100];
int len;
@@ -19,34 +20,30 @@ main(int argc, char **argv)
perror("IPX: socket: ");
exit(-1);
}
memset(&sipx, 0, sizeof(sipx));
sipx.sipx_family = AF_IPX;
sipx.sipx_network = 0;
sipx.sipx_port = htons(0x5000);
sipx.sipx_type = 17;
len = sizeof(sipx);
result = bind(s, (struct sockaddr *)&sipx, sizeof(sipx));
if (result < 0) {
rc = bind(s, (struct sockaddr *)&sipx, sizeof(sipx));
if (rc < 0) {
perror("IPX: bind: ");
exit(-1);
}
msg[0] = '\0';
result = recvfrom(s, msg, sizeof(msg), 0, (struct sockaddr *)&sipx,
&len);
if (result < 0) {
rc = recvfrom(s, msg, sizeof(msg), 0, (struct sockaddr *)&sipx, &len);
if (rc < 0) {
perror("IPX: recvfrom: ");
}
printf("From %08lX:%02X%02X%02X%02X%02X%02X:%04X\n",
htonl(sipx.sipx_network),
printf("From %08lX:%02X%02X%02X%02X%02X%02X:%04X\n",
(unsigned long)ntohl(sipx.sipx_network),
sipx.sipx_node[0], sipx.sipx_node[1],
sipx.sipx_node[2], sipx.sipx_node[3],
sipx.sipx_node[4], sipx.sipx_node[5],
htons(sipx.sipx_port));
ntohs(sipx.sipx_port));
printf("\tGot \"%s\"\n", msg);
return 0;
}

33
Samples/ipxsend.c
View File

@@ -1,17 +1,18 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <linux/ipx.h>
#include <netinet/in.h>
#include <sys/socket.h>
#include <errno.h>
int
main(int argc, char **argv)
int main(int argc, char **argv)
{
struct sockaddr_ipx sipx;
int s;
int result;
char msg[100] = "Hi Mom";
int rc;
char msg[100] = "Hello world!";
int len = sizeof(sipx);
s = socket(AF_IPX, SOCK_DGRAM, AF_IPX);
@@ -19,28 +20,32 @@ main(int argc, char **argv)
perror("IPX: socket: ");
exit(-1);
}
memset(&sipx, 0, sizeof(sipx));
sipx.sipx_family = AF_IPX;
sipx.sipx_network = 0;
sipx.sipx_port = 0;
sipx.sipx_type = 17;
result = bind(s, (struct sockaddr *)&sipx, sizeof(sipx));
if (result < 0) {
rc = bind(s, (struct sockaddr *)&sipx, sizeof(sipx));
if (rc < 0) {
perror("IPX: bind: ");
exit(-1);
}
result = getsockname(s, (struct sockaddr *)&sipx, &len);
rc = getsockname(s, (struct sockaddr *)&sipx, &len);
sipx.sipx_port = htons(0x5000);
result = sendto(s, msg, sizeof(msg), 0, (struct sockaddr *)&sipx,
sizeof(sipx));
if (result < 0) {
sipx.sipx_node[0] = 0xFF;
sipx.sipx_node[1] = 0xFF;
sipx.sipx_node[2] = 0xFF;
sipx.sipx_node[3] = 0xFF;
sipx.sipx_node[4] = 0xFF;
sipx.sipx_node[5] = 0xFF;
rc = sendto(s, msg, strlen(msg), 0, (struct sockaddr *)&sipx,
sizeof(sipx));
if (rc < 0) {
perror("IPX: send: ");
exit(-1);
}
return 0;
}