It is the project that wifi run on the rtos

Fork of WiflyInterface by Mbed

Socket/TCPSocketConnection.cpp

Committer:
shiyilei
Date:
2014-12-05
Revision:
10:8a57e2ed20a4
Parent:
1:fb4494783863

File content as of revision 10:8a57e2ed20a4:

/* Copyright (C) 2012 mbed.org, MIT License
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
 * and associated documentation files (the "Software"), to deal in the Software without restriction,
 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or
 * substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#include "TCPSocketConnection.h"
#include "rtos.h"
#include <algorithm>

TCPSocketConnection::TCPSocketConnection() {}

int TCPSocketConnection::connect(const char* host, const int port)
{  
    return (base_level_connect(host,port));
}

bool TCPSocketConnection::is_connected(void)
{
    return base_level_is_connected();

}

int TCPSocketConnection::send(char* data, int length)
{
//    Timer tmr;

//    if (!_blocking) {
//        tmr.start();
//        while (tmr.read_ms() < _timeout) {
//            if (wifi->writeable())
//                break;
//        }
//        if (tmr.read_ms() >= _timeout) {
//            return -1;
//        }
//    }
//    return wifi->send(data, length);
    
}

// -1 if unsuccessful, else number of bytes written
int TCPSocketConnection::send_all(char* data, int length)
{
    
    Timer tmr;
    int idx = 0;
       globaldata.send_length=length; 
    memcpy(globaldata.send_buffer,data,length);
     globaldata.send_ready=1;           
    tmr.start();

    while ((tmr.read_ms() < _timeout) || _blocking) {

        //idx += wifi->send(data, length);

//        idx+=baselevel_send_data(data,length);
//        if (idx == length)
//            return idx;
     if(globaldata.send_completed==1)
               { 
                    globaldata.send_completed=0;
                    memset(globaldata.send_buffer,0,600*sizeof(char));
                    if(globaldata.send_length_over==length)
                                            return length;
        
                 }
    //return (idx == 0) ? -1 : idx;
                     }
        return (globaldata.send_length_over==0) ? -1 : globaldata.send_length_over;
    
}

// -1 if unsuccessful, else number of bytes received
int TCPSocketConnection::receive(char* data, int length)
{
    Timer tmr;
    int time = -1;
    int idx=0;
    
    if (!_blocking) {
                globaldata.need_receive=length;
                globaldata.receive_start=1;
        tmr.start();
        while (time < _timeout + 30) {
            if (globaldata.receive_completed==1) {
                                    globaldata.receive_completed=0;
                                globaldata.receive_start=0;
                            break;
            }
                    
            time = tmr.read_ms();
        }
        if (time >= _timeout + 30) {
            return -1;
        }
    }


//    while(!wifi->readable());
//    int nb_available = wifi->readable();
//    for (int i = 0; i < min(nb_available, length); i++) {
//        data[i] = wifi->getc();
//}
        //int nb_available=baselevel_receive_data(data, length);
    

   // return min(nb_available, length);
     for(int i=0;i<globaldata.receive_length;i++)
                   if(globaldata.receive_buffer[i]!=0)
                                        data[idx++]=globaldata.receive_buffer[i];
                                        globaldata.receive_completed=0;

            return min(globaldata.receive_length, length);

}


// -1 if unsuccessful, else number of bytes received
int TCPSocketConnection::receive_all(char* data, int length)
{

        Timer tmr;
    int idx = 0;
    int time = -1;
    globaldata.receive_start=1;
    globaldata.need_receive=length;
    tmr.start();

    while (time < _timeout || _blocking) {

        // int nb_available = wifi->readable();
        // for (int i = 0; i < min(nb_available, length); i++) {
        //     data[idx++] = wifi->getc();
        // }
        // 
        // my code:
         //idx=baselevel_receive_data(data,length);

        // if (idx == length)
        //     break;

        if(globaldata.receive_completed==1)
        {
                for(int i=0;i<globaldata.receive_length;i++)
                   if(globaldata.receive_buffer[i]!=0)
                                        data[idx++]=globaldata.receive_buffer[i];
                                        globaldata.receive_completed=0;
        }
        if(idx==length)
            break;

        time = tmr.read_ms();
    }

    //return (idx == 0) ? -1 : idx;
    return (idx==0) ? -1 : idx;
    
    
    
}