Jason Garner / Mbed 2 deprecated TCPGarageServer

copy of TCPEchoServer, with changes for a make-shift garage door opener

Dependencies:   EthernetInterface mbed-rtos mbed

Fork of TCPEchoServer by mbed official

main.cpp@7:e2ffd7edf9c9, 2013-01-21 (annotated)

Committer:
elevatorguy
Date:
Mon Jan 21 07:47:59 2013 +0000
Revision:
7:e2ffd7edf9c9
Parent:
6:ef919d4efe56
Child:
8:9c587d7ed39e
change comment

Who changed what in which revision?

UserRevisionLine numberNew contents of line
elevatorguy 5:89cca64797f3 1 #include "mbed.h"
elevatorguy 5:89cca64797f3 2 #include "EthernetInterface.h"
elevatorguy 5:89cca64797f3 3
elevatorguy 5:89cca64797f3 4 #define SERVER_PORT 80
elevatorguy 5:89cca64797f3 5
elevatorguy 5:89cca64797f3 6 DigitalOut garagebutton(p15);
elevatorguy 5:89cca64797f3 7
elevatorguy 5:89cca64797f3 8 void doorcontrol()
elevatorguy 5:89cca64797f3 9 {
elevatorguy 5:89cca64797f3 10 garagebutton = 1;
elevatorguy 5:89cca64797f3 11 wait(0.5);
elevatorguy 5:89cca64797f3 12 garagebutton = 0;
elevatorguy 5:89cca64797f3 13 }
elevatorguy 5:89cca64797f3 14
elevatorguy 5:89cca64797f3 15 int main (void) {
elevatorguy 5:89cca64797f3 16 EthernetInterface eth;
elevatorguy 5:89cca64797f3 17 eth.init("192.168.1.99", "255.255.255.0", "192.168.1.1"); //Use static IP
elevatorguy 5:89cca64797f3 18 eth.connect();
elevatorguy 5:89cca64797f3 19 printf("IP Address is %s\r\n", eth.getIPAddress());
elevatorguy 5:89cca64797f3 20
elevatorguy 5:89cca64797f3 21 TCPSocketServer server;
elevatorguy 5:89cca64797f3 22 server.bind(SERVER_PORT);
elevatorguy 5:89cca64797f3 23 server.listen();
elevatorguy 5:89cca64797f3 24
elevatorguy 5:89cca64797f3 25 while (true) {
elevatorguy 5:89cca64797f3 26 printf("Wait for new connection...\r\n");
elevatorguy 5:89cca64797f3 27 TCPSocketConnection client;
elevatorguy 5:89cca64797f3 28 server.accept(client);
elevatorguy 5:89cca64797f3 29 client.set_blocking(false, 1500); // Timeout after (1.5)s
elevatorguy 5:89cca64797f3 30
elevatorguy 5:89cca64797f3 31 printf("Connection from: %s\r\n", client.get_address());
elevatorguy 5:89cca64797f3 32 char buffer[256];
elevatorguy 5:89cca64797f3 33
elevatorguy 6:ef919d4efe56 34 // HTTP is statusline + headers + \r\n + body
elevatorguy 7:e2ffd7edf9c9 35 // these are in that format
elevatorguy 6:ef919d4efe56 36 char firstpage[] = {"HTTP/1.1 200 OK\r\nContent-Type: text/html; charset=UTF-8\r\nContent-Length: 213\r\n\r\n<html><head><title>Garage Door</title></head><body><h4>Garage Door Opener</h4><form action=index.html method=post><input style='border : 1px solid #000000;' value='Open/Close' type='submit' /></form></body></html>"};
elevatorguy 6:ef919d4efe56 37 char secondpage[] = {"HTTP/1.1 200 OK\r\nContent-Type: text/html; charset=UTF-8\r\nContent-Length: 248\r\n\r\n<html><head><title>Pressing Button</title></head><body><h4>Garage Door Opener</h4><p>Door should be moving...</p><form action=index.html method=post><input style='border : 1px solid #000000;' value='Open/Close' type='submit' /></form></body></html>"};
elevatorguy 6:ef919d4efe56 38 char error[] = {"HTTP/1.1 501 Not Implemented\r\nContent-Type: text/html; charset=UTF-8\r\nContent-Length: 100\r\n\r\n<html><head><title>Error</title></head><body>Sorry, I don't understand your request :(</body></html>"};
elevatorguy 6:ef919d4efe56 39 char error404[] = {"HTTP/1.1 404 Not Found\r\nContent-Type: text/html; charset=UTF-8\r\nContent-Length: 147\r\n\r\n<html><head><title>Error 404</title></head><body><h1>Page not found.</h1> <h2>404</h2><br /><p>(this is not a real webserver FYI)</p></body></html>"};
elevatorguy 6:ef919d4efe56 40
elevatorguy 6:ef919d4efe56 41 //I used this website to get string length
elevatorguy 6:ef919d4efe56 42 //http://www.string-functions.com/length.aspx
elevatorguy 6:ef919d4efe56 43
elevatorguy 5:89cca64797f3 44 while (true) { //accept data
elevatorguy 5:89cca64797f3 45 int n = client.receive(buffer, sizeof(buffer));
elevatorguy 5:89cca64797f3 46 if (n <= 0) break;
elevatorguy 5:89cca64797f3 47
elevatorguy 5:89cca64797f3 48 if(buffer[0]=='G' && buffer[1]=='E' && buffer[2]=='T') //HTTP GET request
elevatorguy 5:89cca64797f3 49 {
elevatorguy 5:89cca64797f3 50 if(buffer[3]==' ' && buffer[4]=='/' && buffer[5] == ' ') // root directory
elevatorguy 5:89cca64797f3 51 {
elevatorguy 5:89cca64797f3 52 client.send_all(firstpage, sizeof(firstpage));
elevatorguy 5:89cca64797f3 53 if (n <= 0) break;
elevatorguy 5:89cca64797f3 54 }
elevatorguy 5:89cca64797f3 55 else if(buffer[3]==' ' && buffer[4]=='/' && buffer[5] == 'i' && buffer[6] == 'n' && buffer[7] == 'd' && buffer[8] == 'e'
elevatorguy 5:89cca64797f3 56 && buffer[9] == 'x') // index.*
elevatorguy 5:89cca64797f3 57 {
elevatorguy 5:89cca64797f3 58 client.send_all(firstpage, sizeof(firstpage));
elevatorguy 5:89cca64797f3 59 if (n <= 0) break;
elevatorguy 5:89cca64797f3 60 }
elevatorguy 5:89cca64797f3 61 else if(buffer[3]==' ' && buffer[4]=='/' && buffer[5] == 'a'
elevatorguy 5:89cca64797f3 62 && buffer[6] == 'c' && buffer[7] == 't' && buffer[8] == 'i' && buffer[9] == 'o' && buffer[10] == 'n'
elevatorguy 5:89cca64797f3 63 && buffer[11] == '.' && buffer[12] == 'h' && buffer[13] == 't' && buffer[14] == 'm') // action.htm
elevatorguy 5:89cca64797f3 64 {
elevatorguy 6:ef919d4efe56 65 //backwards compatibility with the first way I did it
elevatorguy 6:ef919d4efe56 66 client.send_all(firstpage, sizeof(firstpage));
elevatorguy 5:89cca64797f3 67 if (n <= 0) break;
elevatorguy 5:89cca64797f3 68 }
elevatorguy 5:89cca64797f3 69 else
elevatorguy 5:89cca64797f3 70 {
elevatorguy 5:89cca64797f3 71 client.send_all(error404, sizeof(error404));
elevatorguy 5:89cca64797f3 72 if (n <= 0) break;
elevatorguy 5:89cca64797f3 73 }
elevatorguy 5:89cca64797f3 74 }
elevatorguy 6:ef919d4efe56 75 else if (buffer[0]=='P' && buffer[1]=='O' && buffer[2]=='S' && buffer[3]=='T' && buffer[4]==' ' && buffer[5]=='/'
elevatorguy 6:ef919d4efe56 76 && buffer[6]=='i' && buffer[7]=='n' && buffer[8]=='d' && buffer[9]=='e' && buffer[10]=='x' && buffer[11]=='.')
elevatorguy 6:ef919d4efe56 77 {
elevatorguy 6:ef919d4efe56 78 client.send_all(secondpage, sizeof(secondpage));
elevatorguy 6:ef919d4efe56 79 doorcontrol();
elevatorguy 6:ef919d4efe56 80 if (n <= 0) break;
elevatorguy 6:ef919d4efe56 81 }
elevatorguy 5:89cca64797f3 82 else
elevatorguy 5:89cca64797f3 83 {
elevatorguy 6:ef919d4efe56 84 client.send_all(error, sizeof(error));
elevatorguy 5:89cca64797f3 85 if (n <= 0) break;
elevatorguy 5:89cca64797f3 86 }
elevatorguy 5:89cca64797f3 87 }
elevatorguy 5:89cca64797f3 88 client.close();
elevatorguy 5:89cca64797f3 89 }
elevatorguy 5:89cca64797f3 90 }