Reem M / Mbed OS http-server-example1

http

source/main.cpp@1:ce6ccd14af4c, 2019-04-15 (annotated)

Committer:
reeml3
Date:
Mon Apr 15 18:12:24 2019 +0000
Revision:
1:ce6ccd14af4c
Parent:
0:a49e37a83a7a 
http

Who changed what in which revision?

UserRevisionLine numberNew contents of line
DuaaAbusharkh 0:a49e37a83a7a 1 #include "mbed.h"
DuaaAbusharkh 0:a49e37a83a7a 2 #include "easy-connect.h"
DuaaAbusharkh 0:a49e37a83a7a 3 #include "http_server.h"
DuaaAbusharkh 0:a49e37a83a7a 4 #include "http_response_builder.h"
DuaaAbusharkh 0:a49e37a83a7a 5
DuaaAbusharkh 0:a49e37a83a7a 6
DuaaAbusharkh 0:a49e37a83a7a 7
DuaaAbusharkh 0:a49e37a83a7a 8 Serial pc(USBTX,USBRX,9600);
DuaaAbusharkh 0:a49e37a83a7a 9 DigitalOut led(LED1);
DuaaAbusharkh 0:a49e37a83a7a 10
DuaaAbusharkh 0:a49e37a83a7a 11 // Requests come in here
DuaaAbusharkh 0:a49e37a83a7a 12
DuaaAbusharkh 0:a49e37a83a7a 13 void request_handler(ParsedHttpRequest* request, TCPSocket* socket) {
DuaaAbusharkh 0:a49e37a83a7a 14
DuaaAbusharkh 0:a49e37a83a7a 15 pc.printf("Request came in: %s %s\n", http_method_str(request->get_method()), request->get_url().c_str());
DuaaAbusharkh 0:a49e37a83a7a 16
DuaaAbusharkh 0:a49e37a83a7a 17 if (request->get_method() == HTTP_GET && request->get_url() == "/") {
DuaaAbusharkh 0:a49e37a83a7a 18 HttpResponseBuilder builder(200);
DuaaAbusharkh 0:a49e37a83a7a 19 builder.set_header("Content-Type", "text/html; charset=utf-8");
DuaaAbusharkh 0:a49e37a83a7a 20
DuaaAbusharkh 0:a49e37a83a7a 21 char response[] = "<html><head><title>Hello from mbed</title></head>"
DuaaAbusharkh 0:a49e37a83a7a 22 "<body>"
DuaaAbusharkh 0:a49e37a83a7a 23 "<h1>mbed webserver</h1>"
DuaaAbusharkh 0:a49e37a83a7a 24 "<button id=\"toggle\">Toggle LED</button>"
DuaaAbusharkh 0:a49e37a83a7a 25 "<script>document.querySelector('#toggle').onclick = function() {"
DuaaAbusharkh 0:a49e37a83a7a 26 "var x = new XMLHttpRequest(); x.open('POST', '/toggle'); x.send();"
DuaaAbusharkh 0:a49e37a83a7a 27 "}</script>"
DuaaAbusharkh 0:a49e37a83a7a 28 "</body></html>";
DuaaAbusharkh 0:a49e37a83a7a 29
DuaaAbusharkh 0:a49e37a83a7a 30 builder.send(socket, response, sizeof(response) - 1);
DuaaAbusharkh 0:a49e37a83a7a 31
DuaaAbusharkh 0:a49e37a83a7a 32 }
DuaaAbusharkh 0:a49e37a83a7a 33 else if (request->get_method() == HTTP_POST && request->get_url() == "/toggle") {
DuaaAbusharkh 0:a49e37a83a7a 34 pc.printf("toggle LED called\n");
DuaaAbusharkh 0:a49e37a83a7a 35 led = !led;
DuaaAbusharkh 0:a49e37a83a7a 36
DuaaAbusharkh 0:a49e37a83a7a 37 HttpResponseBuilder builder(200);
DuaaAbusharkh 0:a49e37a83a7a 38 builder.send(socket, NULL, 0);
DuaaAbusharkh 0:a49e37a83a7a 39 }
DuaaAbusharkh 0:a49e37a83a7a 40 else {
DuaaAbusharkh 0:a49e37a83a7a 41 HttpResponseBuilder builder(404);
DuaaAbusharkh 0:a49e37a83a7a 42 builder.send(socket, NULL, 0);
DuaaAbusharkh 0:a49e37a83a7a 43 }
DuaaAbusharkh 0:a49e37a83a7a 44 }
DuaaAbusharkh 0:a49e37a83a7a 45
DuaaAbusharkh 0:a49e37a83a7a 46 int main() {
DuaaAbusharkh 0:a49e37a83a7a 47
reeml3 1:ce6ccd14af4c 48 lcd_printf("Reem");
DuaaAbusharkh 0:a49e37a83a7a 49 // Connect to the network (see mbed_app.json for the connectivity method used)
DuaaAbusharkh 0:a49e37a83a7a 50 NetworkInterface* network = easy_connect(true);
DuaaAbusharkh 0:a49e37a83a7a 51 if (!network) {
DuaaAbusharkh 0:a49e37a83a7a 52 pc.printf("Cannot connect to the network, see serial output\n");
DuaaAbusharkh 0:a49e37a83a7a 53 return 1;
DuaaAbusharkh 0:a49e37a83a7a 54 }
DuaaAbusharkh 0:a49e37a83a7a 55
DuaaAbusharkh 0:a49e37a83a7a 56 HttpServer server(network);
DuaaAbusharkh 0:a49e37a83a7a 57 nsapi_error_t res = server.start(8080, &request_handler);
DuaaAbusharkh 0:a49e37a83a7a 58
DuaaAbusharkh 0:a49e37a83a7a 59 if (res == NSAPI_ERROR_OK) {
DuaaAbusharkh 0:a49e37a83a7a 60 pc.printf("Server is listening at http://%s:8080\n", network->get_ip_address());
DuaaAbusharkh 0:a49e37a83a7a 61 }
DuaaAbusharkh 0:a49e37a83a7a 62 else {
DuaaAbusharkh 0:a49e37a83a7a 63 pc.printf("Server could not be started... %d\n", res);
DuaaAbusharkh 0:a49e37a83a7a 64 }
DuaaAbusharkh 0:a49e37a83a7a 65
DuaaAbusharkh 0:a49e37a83a7a 66
DuaaAbusharkh 0:a49e37a83a7a 67
DuaaAbusharkh 0:a49e37a83a7a 68 wait(osWaitForever);
DuaaAbusharkh 0:a49e37a83a7a 69
DuaaAbusharkh 0:a49e37a83a7a 70
DuaaAbusharkh 0:a49e37a83a7a 71 }