Patryk Patlas / Mbed 2 deprecated SiSK_HTTP

Simple server for AGH accademic purpose

Dependencies:   EthernetInterface mbed-rtos mbed

Fork of HTTP_SD_Server_K64F by FRDM-K64F Code Share

main.cpp

Committer:
patlas
Date:
2016-11-17
Revision:
8:a27748c1fc33
Parent:
7:04744a9ce2b9
Child:
9:aebb88e6e653

File content as of revision 8:a27748c1fc33:

#include "mbed.h"
#include "EthernetInterface.h"

#include <stdio.h>
#include <string.h>

#define HTTPD_SERVER_PORT   80
#define HTTPD_MAX_REQ_LENGTH   1023
#define HTTPD_MAX_HDR_LENGTH   255


Serial uart(USBTX, USBRX);


EthernetInterface eth;
TCPSocketServer server;
TCPSocketConnection client;

char buffer[HTTPD_MAX_REQ_LENGTH+1];
char httpHeader[HTTPD_MAX_HDR_LENGTH+1];

char *uristr;
char *eou;
char *qrystr;


int rdCnt;

char *first = "/first";
char *sec = "/second";
void show_page(char* uri)
{
    uart.printf("Trying to open requested uri\n");
    char *lstchr_ptr = strrchr(uri, NULL) -1; //function try to find char which is non ascii (recently set to 0 so no ascii)
    if(!memcmp(uri, first, 6)){
        sprintf(httpHeader,"HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: Close\r\n\r\n");
        client.send(httpHeader,strlen(httpHeader));
        sprintf(httpHeader,"<html><head><title>First_one</title></head><body><h1>First page has been opened</h1></body></html>");
        client.send(httpHeader,strlen(httpHeader));
    }
    else if(!memcmp(uri, sec, 6)){
        sprintf(httpHeader,"HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: Close\r\n\r\n");
        client.send(httpHeader,strlen(httpHeader));
        sprintf(httpHeader,"<html><head><title>Seond_one</title></head><body><h1>Second page has been opened</h1></body></html>");
        client.send(httpHeader,strlen(httpHeader));
    }
    else{
        sprintf(httpHeader,"HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: Close\r\n\r\n");
        client.send(httpHeader,strlen(httpHeader));
        sprintf(httpHeader,"<html><head><title>ERROR</title></head><body><h1>THERE IS NO SUCH PAGE</h1></body></html>");
        client.send(httpHeader,strlen(httpHeader));
    }
}

int main (void)
{
//    Serial Interface eth;
    uart.baud(115200);
    uart.printf("Initializing\n");

//    EthernetInterface eth;
    uart.printf("Initializing Ethernet ...\n");
    if(!eth.init("192.168.5.10", "255.255.255.0", "192.168.5.50")){//Init interface with static IP
        uart.printf("Ethernet interface configured properly\n");
    }
    uart.printf("Setting interface UP ...\n");
    eth.connect();
    uart.printf("IP: %s\n", eth.getIPAddress());
    uart.printf("IP: %s\n", eth.getNetworkMask());

//    TCPSocketServer server;
    uart.printf("Starting TCP server at port: %d", HTTPD_SERVER_PORT);
    server.bind(HTTPD_SERVER_PORT);
    server.listen();
    uart.printf("Server starts listening at port: %d\n", HTTPD_SERVER_PORT);

    while (true) {
        uart.printf("\nWaiting for new connection...\r\n");
        server.accept(client);
        client.set_blocking(false, 1500); // Timeout after (1.5)s

        uart.printf("Client with IP %s has connected with server.\r\n", client.get_address());
        while (true) {
            int n = client.receive(buffer, sizeof(buffer));
            if (n <= 0) break;
            uart.printf("Recieved Data: %d\r\n\r\n%.*s\r\n",n,n,buffer);
            if (n >= 1024) {
                sprintf(httpHeader,"HTTP/1.1 413 Request Entity Too Large \r\nContent-Type: text\r\nConnection: Close\r\n\r\n");
                client.send(httpHeader,strlen(httpHeader));
                client.send(buffer,n);
                break;
            } else {
                buffer[n]=0;
            }
            if (!strncmp(buffer, "GET ", 4)) {
                uristr = buffer + 4;
                eou = strstr(uristr, " ");
                if (eou == NULL) {
                    sprintf(httpHeader,"HTTP/1.1 400 Bad Request \r\nContent-Type: text\r\nConnection: Close\r\n\r\n");
                    client.send(httpHeader,strlen(httpHeader));
                    client.send(buffer,n);
                } else {
                    *eou = 0;
                    show_page(uristr);
                }
            }
        }

        client.close();
    }
}