First version

Dependencies:   mbed EthernetInterface mbed-rto

TCPlistener.cpp

Committer:
KlaasGovaerts
Date:
2018-04-18
Revision:
18:5ee34e60a31d
Parent:
15:ffd311730575
Child:
19:4997b02d6a88

File content as of revision 18:5ee34e60a31d:

#include "TCPlistener.h"

TCPlistener::TCPlistener(){
    char ip[]="192.168.0.253";
    char mask[]="255.255.255.0";
    char gateway[]="192.168.0.254";
    eth.init(ip,mask,gateway);
    eth.connect();
    server.bind(4000);
    server.listen();
    server.set_blocking(false);
    for(int i=0;i<10;i++){
        connections[i]=0;
    }
    arraySize=10;
}
void TCPlistener::listen(){
    //server.listen(10);//Accept 10 connections at a time.
    //Source:https://os.mbed.com/handbook/Socket
    bool incomingConnection=true;
    while(incomingConnection){
        TCPSocketConnection* connection=newConnection();
        if(connection!=0){
            if(server.accept(*connection)==-1)
                incomingConnection=false;
            else
                connection->set_blocking(false);
                printf("Connectie van: %s\n", connection->get_address());
        }
    }
}

bool TCPlistener::receiveSegment(char *contents,int size){
    for(int i=0;i<arraySize;i++){
        int n = connections[i]->receive(contents, size);
        if(n!=-1){
            contents[n] = '\0';
            printf("Segment ontvangen van %s:%i met inhoud \"%s\"\r\n", connections[i]->get_address(),connections[i]->get_port(),contents);
            return true;
        }
    }
    return false;
}

TCPSocketConnection* TCPlistener::newConnection(){
    bool searchLocation=true;
    for(int i=0;i<arraySize&&searchLocation;i++){
        if(connections[i]==0){
            connections[i]=new TCPSocketConnection();
            return connections[i];
        } else if(!(connections[i]->is_connected())){
            delete connections[i];
            connections[i]=new TCPSocketConnection();
            return connections[i];
        }
    }
    return 0;
}