WIZnet / Mbed 2 deprecated TCPEchoServer-WIZwiki-W7500 Featured

TCPEchoServer example for WIZwiki-W7500

Dependencies:   WIZnetInterface mbed

Fork of TCPEchoServer by Mbed

main.cpp@11:0da8667a9201, 2015-06-29 (annotated)

Committer:
hjjeon
Date:
Mon Jun 29 09:46:12 2015 +0000
Revision:
11:0da8667a9201
Parent:
9:a63ff95c354b 
Revert

Who changed what in which revision?

UserRevisionLine numberNew contents of line
justinkim 8:f837e0d255e8 1 #include "mbed.h"
justinkim 8:f837e0d255e8 2 #include "EthernetInterface.h"
hjjeon 9:a63ff95c354b 3
hjjeon 11:0da8667a9201 4 #define ECHO_SERVER_PORT 7
hjjeon 9:a63ff95c354b 5
hjjeon 11:0da8667a9201 6 int main (void)
justinkim 8:f837e0d255e8 7 {
justinkim 8:f837e0d255e8 8 printf("Wait a second...\r\n");
hjjeon 11:0da8667a9201 9 uint8_t mac_addr[6] = {0x00, 0x08, 0xDC, 0x00, 0x01, 0x02};
hjjeon 11:0da8667a9201 10 EthernetInterface eth;
hjjeon 11:0da8667a9201 11 eth.init(mac_addr); //Use DHCP
justinkim 8:f837e0d255e8 12 eth.connect();
justinkim 8:f837e0d255e8 13 printf("Server IP Address is %s\r\n", eth.getIPAddress());
hjjeon 11:0da8667a9201 14
hjjeon 11:0da8667a9201 15 TCPSocketServer server;
hjjeon 11:0da8667a9201 16 server.bind(ECHO_SERVER_PORT);
hjjeon 11:0da8667a9201 17 server.listen();
hjjeon 11:0da8667a9201 18
hjjeon 11:0da8667a9201 19 while (true)
hjjeon 11:0da8667a9201 20 {
hjjeon 11:0da8667a9201 21 printf("Wait for new connection...\r\n");
hjjeon 11:0da8667a9201 22 TCPSocketConnection client;
hjjeon 11:0da8667a9201 23 server.accept(client);
hjjeon 11:0da8667a9201 24 client.set_blocking(false, 15000); // Timeout after (1.5)s
hjjeon 11:0da8667a9201 25
hjjeon 11:0da8667a9201 26 printf("Connection from: %s\r\n", client.get_address());
hjjeon 11:0da8667a9201 27 char buffer[256];
hjjeon 11:0da8667a9201 28 while (true) {
hjjeon 11:0da8667a9201 29 int n = client.receive(buffer, sizeof(buffer));
hjjeon 11:0da8667a9201 30 if (n <= 0) break;
hjjeon 11:0da8667a9201 31
hjjeon 11:0da8667a9201 32 // print received message to terminal
hjjeon 11:0da8667a9201 33 buffer[n] = '\0';
hjjeon 11:0da8667a9201 34 printf("Received message from Client :'%s'\r\n",buffer);
hjjeon 11:0da8667a9201 35
hjjeon 11:0da8667a9201 36 // reverse the message
hjjeon 11:0da8667a9201 37 char temp;
hjjeon 11:0da8667a9201 38 for(int f = 0, l = n-1; f<l; f++,l--){
hjjeon 11:0da8667a9201 39 temp = buffer[f];
hjjeon 11:0da8667a9201 40 buffer[f] = buffer[l];
hjjeon 11:0da8667a9201 41 buffer[l] = temp;
hjjeon 11:0da8667a9201 42 }
hjjeon 11:0da8667a9201 43
hjjeon 11:0da8667a9201 44 // print reversed message to terminal
hjjeon 11:0da8667a9201 45 printf("Sending message to Client: '%s'\r\n",buffer);
hjjeon 11:0da8667a9201 46
hjjeon 11:0da8667a9201 47 // Echo received message back to client
hjjeon 11:0da8667a9201 48 client.send_all(buffer, n);
hjjeon 11:0da8667a9201 49 if (n <= 0) break;
hjjeon 11:0da8667a9201 50 }
hjjeon 11:0da8667a9201 51
hjjeon 11:0da8667a9201 52 client.close();
hjjeon 9:a63ff95c354b 53 }
justinkim 8:f837e0d255e8 54
justinkim 8:f837e0d255e8 55 }
justinkim 8:f837e0d255e8 56