Nathan Yonkee / Mbed OS mbed-os-tcp-server-example

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main.cpp@3:f4f66901181c, 2017-08-08 (annotated)

Committer:
Nathan Yonkee
Date:
Tue Aug 08 23:56:11 2017 -0600
Revision:
3:f4f66901181c
Parent:
1:59e0d83a4014
Child:
4:24963e7cc783
use fixed IP address

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tulanthoar 0:5d1a93a692a1 1 #if !FEATURE_LWIP
Nathan Yonkee 3:f4f66901181c 2 #error [NOT_SUPPORTED] LWIP not supported for this target
tulanthoar 0:5d1a93a692a1 3 #endif
tulanthoar 0:5d1a93a692a1 4
tulanthoar 0:5d1a93a692a1 5 #include "mbed.h"
tulanthoar 0:5d1a93a692a1 6 #include "EthernetInterface.h"
tulanthoar 0:5d1a93a692a1 7 #include "TCPServer.h"
tulanthoar 0:5d1a93a692a1 8 #include "TCPSocket.h"
tulanthoar 0:5d1a93a692a1 9
tulanthoar 0:5d1a93a692a1 10 #define HTTP_STATUS_LINE "HTTP/1.0 200 OK"
tulanthoar 0:5d1a93a692a1 11 #define HTTP_HEADER_FIELDS "Content-Type: text/html; charset=utf-8"
tulanthoar 0:5d1a93a692a1 12 #define HTTP_MESSAGE_BODY "" \
tulanthoar 0:5d1a93a692a1 13 "<html>" "\r\n" \
tulanthoar 0:5d1a93a692a1 14 " <body style=\"display:flex;text-align:center\">" "\r\n" \
tulanthoar 0:5d1a93a692a1 15 " <div style=\"margin:auto\">" "\r\n" \
tulanthoar 0:5d1a93a692a1 16 " <h1>Hello World</h1>" "\r\n" \
tulanthoar 0:5d1a93a692a1 17 " <p>It works !</p>" "\r\n" \
tulanthoar 0:5d1a93a692a1 18 " </div>" "\r\n" \
tulanthoar 0:5d1a93a692a1 19 " </body>" "\r\n" \
tulanthoar 1:59e0d83a4014 20 "</html>\r\n"
tulanthoar 0:5d1a93a692a1 21
tulanthoar 0:5d1a93a692a1 22 #define HTTP_RESPONSE HTTP_STATUS_LINE "\r\n" \
tulanthoar 0:5d1a93a692a1 23 HTTP_HEADER_FIELDS "\r\n" \
tulanthoar 0:5d1a93a692a1 24 "\r\n" \
tulanthoar 0:5d1a93a692a1 25 HTTP_MESSAGE_BODY "\r\n"
tulanthoar 0:5d1a93a692a1 26
tulanthoar 1:59e0d83a4014 27 DigitalIn swtch(PD_14);
tulanthoar 1:59e0d83a4014 28
Nathan Yonkee 3:f4f66901181c 29 int main() {
tulanthoar 0:5d1a93a692a1 30 printf("Basic HTTP server example\n");
Nathan Yonkee 3:f4f66901181c 31
tulanthoar 0:5d1a93a692a1 32 EthernetInterface eth;
Nathan Yonkee 3:f4f66901181c 33 eth.set_network("192.168.1.101", "255.255.255.0","192.168.1.1");
tulanthoar 0:5d1a93a692a1 34 eth.connect();
Nathan Yonkee 3:f4f66901181c 35
tulanthoar 0:5d1a93a692a1 36 printf("The target IP address is '%s'\n", eth.get_ip_address());
Nathan Yonkee 3:f4f66901181c 37 printf("The target netmask is '%s'\n", eth.get_netmask());
Nathan Yonkee 3:f4f66901181c 38 printf("The target gateway is '%s'\n", eth.get_gateway());
Nathan Yonkee 3:f4f66901181c 39
tulanthoar 0:5d1a93a692a1 40 TCPServer srv;
tulanthoar 1:59e0d83a4014 41 SocketAddress clt_addr;
tulanthoar 0:5d1a93a692a1 42 TCPSocket clt_sock;
Nathan Yonkee 3:f4f66901181c 43
tulanthoar 0:5d1a93a692a1 44 /* Open the server on ethernet stack */
tulanthoar 0:5d1a93a692a1 45 srv.open(&eth);
Nathan Yonkee 3:f4f66901181c 46
tulanthoar 0:5d1a93a692a1 47 /* Bind the HTTP port (TCP 80) to the server */
tulanthoar 0:5d1a93a692a1 48 srv.bind(eth.get_ip_address(), 80);
Nathan Yonkee 3:f4f66901181c 49
tulanthoar 0:5d1a93a692a1 50 /* Can handle 5 simultaneous connections */
tulanthoar 0:5d1a93a692a1 51 srv.listen(5);
tulanthoar 1:59e0d83a4014 52 srv.accept(&clt_sock, &clt_addr);
tulanthoar 0:5d1a93a692a1 53 while (true) {
tulanthoar 1:59e0d83a4014 54 wait(1);
tulanthoar 0:5d1a93a692a1 55 printf("accept %s:%d\n", clt_addr.get_ip_address(), clt_addr.get_port());
tulanthoar 1:59e0d83a4014 56 wait(1);
tulanthoar 0:5d1a93a692a1 57 clt_sock.send(HTTP_RESPONSE, strlen(HTTP_RESPONSE));
tulanthoar 1:59e0d83a4014 58 wait(1);
Nathan Yonkee 3:f4f66901181c 59 clt_sock.send("hi\r\n", strlen("hi\r\n"));
tulanthoar 1:59e0d83a4014 60 if( swtch == 0 ) clt_sock.send("hi\r\n", strlen("hi\r\n"));
tulanthoar 1:59e0d83a4014 61 printf("accept %s:%d\n", clt_addr.get_ip_address(), clt_addr.get_port());
tulanthoar 0:5d1a93a692a1 62 }
tulanthoar 0:5d1a93a692a1 63 }