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| /*
* serverfunction.cpp
*
* Created on: 18 mars 2010
*/
#include <arpa/inet.h>
#include <netdb.h>
#include <sys/epoll.h>
#include <netinet/in.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <errno.h>
#include <unistd.h>
#include <fcntl.h>
#include <string>
#include <iostream>
#include "serverfunction.h"
using namespace std;
//SOCKET SERVER
bool SocketServer::InitSocketServer(const char * Address, int Port)
{
bool CreateSocket = false;
struct sockaddr_in SocketServerParam,
SocketClientParam;
// Configure a socket server in connected mode...
SocketServerListen = socket(AF_INET, SOCK_STREAM, 0);
if (SocketServerListen == -1)
{
throw Error(1,"Problem in the creation of the socket",2);
}
else
{
cout<<"Socket Server is correctly create"<<endl;
memset(&SocketServerParam, 0, sizeof (struct sockaddr_in)) ;
/*Set the first numbyte of the block memory pointed by ptr to the specified value (ptr, value to be set, number of bytes to be set to the value)*/
SocketServerParam.sin_family = AF_INET;
// ...on specified address and port...
SocketServerParam.sin_port = htons(Port) ; //Port
SocketServerParam.sin_addr.s_addr = inet_addr(Address) ; //Address IP
if (SocketServerParam.sin_addr.s_addr == INADDR_NONE)
{
throw Error(2,"Problem in the set a socket parameter structure with the IP address and port",2);
}
else
{
/* bind the socket to the Internet address */
if (bind(SocketServerListen, (struct sockaddr *)&SocketServerParam, sizeof(struct sockaddr_in)) == -1)
{
throw Error(3,"Problem to bind the socket to the Internet Address",2);
}
else
{
// Allow IP address immediate reuse
int flagReuseAddress = 1;
if (setsockopt(SocketServerListen, SOL_SOCKET, SO_REUSEADDR,
&flagReuseAddress, sizeof (int)) == -1)
{
throw Error(4,"Problem to allow IP address",2);
}
else
{
// ...for one client
if (listen(SocketServerListen,2) == -1)
{
throw Error(5,"Problem to prepare and accept the connection",2);
}
else
{
cout<<"Listen and wait a client"<<endl;
// Initialize SocketServerCon variable
socklen_t ClientAdress=sizeof(SocketClientParam);
SocketServerCon = accept(SocketServerListen, (struct sockaddr *)&SocketClientParam, &ClientAdress);
if (SocketServerCon == -1)
{
cout<<"Problem in the accept function"<<endl;
//throw Error(5,"Problem to connect with the client",2);
}
else
{
cout<<"The connection is established with the client"<<endl;
// The connection is established with the client
CreateSocket = true;
}
}
}
}
}
}
return CreateSocket;
}
//CLOSE SOCKET
void SocketServer::CloseSocketServer()
{
close(SocketServerListen);
cout<<"Close the socket Server"<<endl;
}
//TEMPO
HMP_MicroSleepServer::HMP_MicroSleepServer(int TEMPO_USEC_CNX_SERV)
{
sleep(TEMPO_USEC_CNX_SERV);
}
//RECEIVE AND SEND LINE
void SocketServer::SendlineServer(string s)
{
s += '\n';
if (send(SocketServerCon, s.c_str(), s.length(), 0)==-1)
{
throw Error(6,"Error in the send line server function",2);
}
}
std::string SocketServer::ReceiveLineServer()
{
fd_set input_set; // Create Input set
int s;
struct timeval timeout;
timeout.tv_sec = 10; // Attends 50 msec pour returner.
timeout.tv_usec = 0;
string ret;
while (1){
//Set up the input,and exception sets for select().
FD_ZERO(&input_set);
FD_SET(SocketServerCon, &input_set);
s = select(SocketServerCon+1, &input_set, NULL, NULL,&timeout);
if (s) // Is there data coming in?
{
// tu fais un recv.
while (1)
{
char r;
switch (recv(SocketServerCon, &r, 1, 0))
{
case 0: // not connected anymore but last line sent might not end in \n so return ret anyway.
return ret;
case -1:
return "";
throw Error(7,"Error in the receive line server function",2);
}
ret += r;
if (r == '\n')
return ret;
}
}
if (s == -1)
{
throw Error(12,"Error in the receive line server function(select function)",2);
}
if (s == 0)
cout<<"No data coming in"<<endl;
ret =0x48;
return ret;
}
} |
Server connecté a un client spécifique
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