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this is a rather unfinished version, half works.

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This commit is contained in:
Charles Descamps 2025-02-05 18:17:06 -07:00
parent 1b9f53ed94
commit 02ecc16617
3 changed files with 13 additions and 11 deletions
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24
timeserver/timeserver.c
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@ -28,7 +28,7 @@ int main(int argc, char **argv)
// bind the UDP socket to port 8888 / TIMEPORT
serverAddr.sin_family = AF_INET;
serverAddr.sin_addr.s_addr = INADDR_ANY;
serverAddr.sin_port = TIMEPORT;
serverAddr.sin_port = htons(TIMEPORT);
int bindCheck = bind(socketTimeFD, &serverAddr, sizeof(serverAddr));
if(bindCheck < 0)
{
@ -36,28 +36,30 @@ int main(int argc, char **argv)
return -1;
}
// while loop to see if the "time\r\n" has been received (recv call?)
int clientAddrLen;
int receivedDataLen;
printf("Timeserver listening on port: %d\n", TIMEPORT);
while(quitFlag)
{
printf("Started grabbing data");
int clientAddrLen;
int receivedDataLen;
// grab the data from the client
receivedDataLen = recvfrom(socketTimeFD, message, BUFFER_SIZE, MSG_WAITALL, &clientAddr, &clientAddrLen);
printf("Ended grabbing data");
message[receivedDataLen] = '\0';
printf("Message rec: %s", message);
// if "time\r\n" is received, then send() back the linux epoch.
if(message == "time\r\n")
if(strcmp(message, "time\n") == 0)
{
//
printf("recv");
char *reply = time(NULL);
sendto(socketTimeFD, reply, strlen(reply), 0, &clientAddr, clientAddrLen);
printf("\nrecv\n");
// char *reply = time(NULL);
char *reply = "Replied";
printf("\nreply made\n");
sendto(socketTimeFD, (const char *)reply, strlen(reply), 0, (const struct sockaddr *) &clientAddr, clientAddrLen);
printf("\nreply sent\n");
}
else if(message == "close\r\n" || message == "quit\r\n" || message == "q\r\n")
else if(strcmp(message, "close") == 0 || strcmp(message, "quit") == 0 || strcmp(message, "q") == 0)
{
//
printf("Server received close.");
printf("\nServer received close.\n");
quitFlag = false;
}
}