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test and cosmetic changes

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This commit is contained in:
Joseph Henry
2016-07-03 12:01:30 -05:00
parent 02473993c1
commit f661018050
16 changed files with 184 additions and 88 deletions
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55
tests/udp_server.c
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@@ -21,71 +21,52 @@ void echo( int sd ) {
while (1) {
usleep(50);
count++;
/* read a datagram from the socket (put result in bufin) */
// read a datagram from the socket (put result in bufin)
n=recvfrom(sd,bufin,MAXBUF,0,(struct sockaddr *)&remote,&len);
/* print out the address of the sender */
printf("Got a datagram from %s port %d\n", inet_ntoa(remote.sin_addr), ntohs(remote.sin_port));
// print out the address of the sender
printf("DGRAM from %s:%d\n", inet_ntoa(remote.sin_addr), ntohs(remote.sin_port));
if (n<0) {
perror("Error receiving data");
} else {
printf("GOT %d BYTES (count = %d)\n",n, count);
/* Got something, just send it back */
//sendto(sd,bufin,n,0,(struct sockaddr *)&remote,len);
// Got something, just send it back
// sendto(sd,bufin,n,0,(struct sockaddr *)&remote,len);
}
}
}
/* server main routine */
int main(int argc, char *argv[]) {
printf("DGRAM = %d\n", SOCK_DGRAM);
printf("STREAM = %d\n", SOCK_STREAM);
/*
if(argc < 2) {
printf("usage: udp_server <port>\n");
exit(0);
}
int port = atoi(argv[1]);
*/
int ld;
int ld, length, int port = atoi(argv[1]);
struct sockaddr_in skaddr;
struct sockaddr_in skaddr2;
struct sockaddr_in skaddr2;
int length;
// create socket
if ((ld = socket( PF_INET, SOCK_DGRAM, 0 )) < 0) {
printf("Problem creating socket\n");
// Create socket
if ((ld = socket( PF_INET, SOCK_DGRAM, 0)) < 0) {
printf("error creating socket\n");
exit(1);
}
// create address
// Create address
skaddr.sin_family = AF_INET;
//skaddr.sin_addr.s_addr = htonl(INADDR_ANY);
skaddr.sin_addr.s_addr = inet_addr("10.5.5.2");
skaddr.sin_port = htons(0);
// bind to address
skaddr.sin_addr.s_addr = htonl(INADDR_ANY);
skaddr.sin_port = htons(port);
// Bind to address
if (bind(ld, (struct sockaddr *) &skaddr, sizeof(skaddr))<0) {
printf("error binding\n");
exit(0);
}
/* find out what port we were assigned and print it out */
// find out what port we were assigned
length = sizeof( skaddr2 );
if (getsockname(ld, (struct sockaddr *) &skaddr2, &length)<0) {
printf("error getsockname\n");
exit(1);
}
// Display address:port to verify it was sent over RPC correctly
int port = ntohs(skaddr2.sin_port);
int ip = skaddr2.sin_addr.s_addr;
unsigned char d[4];
@@ -93,9 +74,9 @@ int main(int argc, char *argv[]) {
d[1] = (ip >> 8) & 0xFF;
d[2] = (ip >> 16) & 0xFF;
d[3] = (ip >> 24) & 0xFF;
printf(" handleBind(): %d.%d.%d.%d : %d -> Assigned: %d\n", d[0],d[1],d[2],d[3], port);
printf("Bound to address: %d.%d.%d.%d : %d\n", d[0],d[1],d[2],d[3], port);
/* echo every datagram */
// RX
echo(ld);
return(0);
}