Author: Ambreen Ilyas

/////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//// This example is from the ACE Programmers Guide.
//// Chapter: "IPC SAP" (Interprocess Communication Mechanisms in ACE).
//// For details please see the guide at
//// http://www.cs.wustl.edu/~schmidt/ACE.html
//// AUTHOR: Umar Syyid (usyyid@hns.com)
//// and Ambreen Ilyas (ambreen@bitsmart.com)
/////////////////////////////////////////////////////////////////////////////////////////////////////////////

//Example 1
#include "ace/SOCK_Acceptor.h"
#include "ace/SOCK_Stream.h"
#define SIZE_DATA 18
#define SIZE_BUF 1024

class Server{

public:
Server (int port):
server_addr_(port),peer_acceptor_(server_addr_){
data_buf_= new char[SIZE_BUF];
}

//Handle the connection once it has been established.
//Here the connection is handled by reading SIZE_DATA amount of data
//from the remote and then closing the connection
//stream down.
int handle_connection(){
// Read data from client
if(new_stream_.recv_n (data_buf_, SIZE_DATA, 0)==-1)
ACE_ERROR ((LM_ERROR, "%p\n", "Error in recv"));

ACE_DEBUG((LM_DEBUG,"Server recieved %s \n",data_buf_));
// Close new endpoint
if (new_stream_.close () == -1)
ACE_ERROR ((LM_ERROR, "%p\n", "close"));
return 0;
}
//Use the acceptor component peer_acceptor_ to accept the connection
//into the underlying stream new_stream_. After the connection has been
//established call the handle_connenction() method.
int accept_connections (){
if (peer_acceptor_.get_local_addr (server_addr_) == -1)
ACE_ERROR_RETURN ((LM_ERROR,"%p\n","Error in get_local_addr"),1);

ACE_DEBUG ((LM_DEBUG,"Starting server at port %d\n",
server_addr_.get_port_number ()));

// Performs the iterative server activities.
while(1){
ACE_Time_Value timeout (ACE_DEFAULT_TIMEOUT);
if (peer_acceptor_.accept
(new_stream_, &client_addr_, &timeout)== -1){
ACE_ERROR ((LM_ERROR, "%p\n", "accept"));
continue;
}
else
ACE_DEBUG((LM_DEBUG,
"Connection established with remote %s:%d\n",
client_addr_.get_host_name(),client_addr_.get_port_number()));
//Handle the connection
handle_connection();
}
}

private:
char *data_buf_;
ACE_INET_Addr server_addr_;
ACE_INET_Addr client_addr_;
ACE_SOCK_Acceptor peer_acceptor_;
ACE_SOCK_Stream new_stream_;
ACE_HANDLE newhandle;
};

int main (int argc, char *argv[]){
if(argc<2){
ACE_ERROR((LM_ERROR,"Usage egX <port_num>"));
ACE_OS::exit(1);
}
Server server(ACE_OS::atoi(argv[1]));
server.accept_connections();
}

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