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Making client do some snazzy stuff like sendto(). ~Cherish

This commit is contained in:
Cherish A. Franco 2011-09-29 16:04:38 -06:00
parent da4e850386
commit 5cffbd9632
1 changed files with 15 additions and 3 deletions
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18
packages/multicaster/src/multicaster-client.c
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@ -92,12 +92,24 @@ int main(int argc, char* argv[])
for (;;) /* Run forever */ for (;;) /* Run forever */
{ {
char recvString[500]; /* Buffer for received string */ char recvString[500]; /* Buffer for received string */
int recvStringLen; /* Length of received string */ int recvStringLen; /* Length of received string */
struct sockaddr_in6 from;
socklen_t fromlen = sizeof(from);
char sendString[] = "Token: banana\n";
char errorString[] = "That is not correct! Try again!\n";
/* Receive a single datagram from the server */ /* Receive a single datagram from the server */
if ((recvStringLen = recvfrom(sock, recvString, sizeof(recvString) - 1, 0, NULL, 0)) < 0) DieWithError("recvfrom() failed"); if ((recvStringLen = recvfrom(sock, recvString, sizeof(recvString) - 1, 0, (struct sockaddr *)&from, &fromlen)) < 0) DieWithError("recvfrom() failed");
recvString[recvStringLen] = '\0'; recvString[recvStringLen] = '\0';
if(strcmp(recvString, "hello")==0) {
printf("Correct!!\n");
// printf("Token: banana\n");
sendto(sock, sendString, sizeof(sendString) - 1, 0, (struct sockaddr *)&from, fromlen);
} else {
// printf("That isn't correct! Try again!\n");
sendto(sock, errorString, sizeof(errorString) - 1, 0, (struct sockaddr *)&from, fromlen);
}
/* Print the received string */ /* Print the received string */
printf("Received string [%s]\n", recvString); printf("Received string [%s]\n", recvString);