mbed official / Mbed 2 deprecated TCPEchoClient

TCP Echo Client example

Dependencies:   EthernetInterface mbed-rtos mbed

main.cpp@10:0468b439a484, 2017-02-14 (annotated)

Committer:
mbed_official
Date:
Tue Feb 14 16:37:18 2017 +0000
Revision:
10:0468b439a484
Parent:
9:a640b18e5931 
Update libraries

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:e8f884c94549 1 #include "mbed.h"
emilmont 1:a51d8ed156e6 2 #include "EthernetInterface.h"
emilmont 1:a51d8ed156e6 3
mbedAustin 9:a640b18e5931 4 const char* ECHO_SERVER_ADDRESS = "192.168.2.2";
emilmont 3:3fbf0efec25a 5 const int ECHO_SERVER_PORT = 7;
emilmont 1:a51d8ed156e6 6
emilmont 1:a51d8ed156e6 7 int main() {
emilmont 1:a51d8ed156e6 8 EthernetInterface eth;
emilmont 1:a51d8ed156e6 9 eth.init(); //Use DHCP
emilmont 1:a51d8ed156e6 10 eth.connect();
mbedAustin 9:a640b18e5931 11 printf("\nClient IP Address is %s\n", eth.getIPAddress());
emilmont 1:a51d8ed156e6 12
mbedAustin 9:a640b18e5931 13 // Connect to Server
emilmont 3:3fbf0efec25a 14 TCPSocketConnection socket;
emilmont 3:3fbf0efec25a 15 while (socket.connect(ECHO_SERVER_ADDRESS, ECHO_SERVER_PORT) < 0) {
emilmont 3:3fbf0efec25a 16 printf("Unable to connect to (%s) on port (%d)\n", ECHO_SERVER_ADDRESS, ECHO_SERVER_PORT);
emilmont 1:a51d8ed156e6 17 wait(1);
emilmont 1:a51d8ed156e6 18 }
mbedAustin 9:a640b18e5931 19 printf("Connected to Server at %s\n",ECHO_SERVER_ADDRESS);
emilmont 1:a51d8ed156e6 20
mbedAustin 9:a640b18e5931 21 // Send message to server
mbedAustin 9:a640b18e5931 22 char hello[] = "Hello World";
mbedAustin 9:a640b18e5931 23 printf("Sending message to Server : '%s' \n",hello);
emilmont 3:3fbf0efec25a 24 socket.send_all(hello, sizeof(hello) - 1);
emilmont 1:a51d8ed156e6 25
mbedAustin 9:a640b18e5931 26 // Receive message from server
emilmont 1:a51d8ed156e6 27 char buf[256];
emilmont 3:3fbf0efec25a 28 int n = socket.receive(buf, 256);
emilmont 2:563aa530f0dd 29 buf[n] = '\0';
mbedAustin 9:a640b18e5931 30 printf("Received message from server: '%s'\n", buf);
emilmont 1:a51d8ed156e6 31
mbedAustin 9:a640b18e5931 32 // Clean up
emilmont 3:3fbf0efec25a 33 socket.close();
emilmont 1:a51d8ed156e6 34 eth.disconnect();
emilmont 1:a51d8ed156e6 35
emilmont 1:a51d8ed156e6 36 while(true) {}
emilmont 1:a51d8ed156e6 37 }