int main (int argc, char *argv[])
{
int sock; /* Socket descriptor */
char * echoString; /* String to send to echo server */
char echoBuffer[RCVBUFSIZE]; /* Buffer for received string */
int echoStringLen; /* Length of string to echo */
int bytesRcvd; /* Bytes read in single recv() */
int bytesSend; /* Bytes read in single send() */
int i; /* counter for data-arguments */
parse_args (argc, argv);
sock = CreateTCPClientSocket (argv_ip, argv_port);
for (i = 0; i < argv_nrofdata; i++)
{
echoString = argv_data [i];
echoStringLen = strlen (echoString); /* Determine input length */
delaying ();
// TODO: add code to send this string to the server; use send()
bytesSend = send (sock, echoString, echoStringLen, 0);
if (bytesSend < 0)
{
DieWithError ("send() failed");
}
// TODO: add code to display the transmitted string in verbose mode; use info_s()
info_s ("Sending to server: ", echoString);
// TODO: add code to receive & display the converted string from the server
// use recv() & printf()
bytesRcvd = recv (sock, echoBuffer, RCVBUFSIZE-1, 0);
if (bytesRcvd < 0)
{
DieWithError ("recv() failed");
}
add_nt (echoBuffer, bytesRcvd);
printf (" Received from server:'%s'\n", echoBuffer);
}
delaying ();
close (sock);
info ("close & exit");
exit (0);
}
int main (int argc, char *argv[])
{
int sock; /* Socket descriptor */
char echoBuffer[RCVBUFSIZE]; /* Buffer for received string */
int bytesRcvd; /* Bytes read in single recv() */
int bytesSend; /* Bytes read in single send() */
char line[80]; /* String entered by user to send to server */
parse_args (argc, argv);
sock = CreateTCPClientSocket (argv_ip, argv_port);
while (strcmp (line, "Quit") != 0)
{
/* Send message to server */
fgets (line, sizeof (line), stdin);
remove_nl (line);
info_s ("Entered: ", line);
bytesSend = send (sock, line, strlen (line), 0);
if (bytesSend < 0)
{
DieWithError ("send() failed");
}
/* Receive message from server */
if(strcmp (line, "Quit") != 0)
{
bytesRcvd = recv (sock, echoBuffer, RCVBUFSIZE-1, 0);
if (bytesRcvd < 0)
{
DieWithError ("recv() failed");
}
if (bytesRcvd > 0)
{
add_nt (echoBuffer, bytesRcvd);
printf ("Received: %s\n", echoBuffer);
}
}
}
delaying ();
close (sock);
info ("close & exit");
exit (0);
}
int main (int argc, char *argv[])
{
int sock; /* Socket descriptor */
char * echoString; /* String to send to echo server */
char echoBuffer[RCVBUFSIZE]; /* Buffer for received string */
int echoStringLen; /* Length of string to echo */
int bytesRcvd; /* Bytes read in single recv() */
int i; /* counter for data-arguments */
parse_args (argc, argv);
sock = CreateTCPClientSocket (argv_ip, argv_port);
for (i = 0; i < argv_nrofdata; i++)
{
echoString = argv_data [i];
echoStringLen = strlen (echoString); /* Determine input length */
delaying();
if (send(sock, echoString, echoStringLen, 0) < 0) {
printf("error in send: exiting");
exit(-1);
}
info_s("data", echoString);
bytesRcvd = recv(sock, echoBuffer, RCVBUFSIZE - 1, 0);
if (bytesRcvd < 0) {
printf("error in recv: exiting");
exit(-1);
}
int j;
for (j = 0; j < bytesRcvd; j++) {
printf("%c", echoBuffer[j]);
}
printf("\n");
}
delaying ();
close (sock);
info ("close & exit");
exit (0);
}