FairMQ/fairmq/FairMQSocket.cxx

/********************************************************************************
 *    Copyright (C) 2014 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH    *
 *                                                                              *
 *              This software is distributed under the terms of the             * 
 *         GNU Lesser General Public Licence version 3 (LGPL) version 3,        *  
 *                  copied verbatim in the file "LICENSE"                       *
 ********************************************************************************/
/**
 * FairMQSocket.cxx
 *
 * @since 2012-12-05
 * @author D. Klein, A. Rybalchenko
 */

#include "FairMQSocket.h"
#include <cstring>

bool FairMQSocket::Attach(const std::string& config, bool serverish)
{
    if (config.empty())
    {
        return false;
    }
    if (config.size() < 2)
    {
        return false;
    }

    const char* endpoints = config.c_str();

    //  We hold each individual endpoint here
    char endpoint [256];
    while (*endpoints)
    {
        const char *delimiter = strchr(endpoints, ',');
        if (!delimiter)
        {
            delimiter = endpoints + strlen(endpoints);
        }
        if (delimiter - endpoints > 255)
        {
            return false;
        }
        memcpy(endpoint, endpoints, delimiter - endpoints);
        endpoint[delimiter - endpoints] = 0;

        bool rc = false;

        if (endpoint [0] == '@')
        {
            rc = Bind(endpoint + 1);
        }
        else if (endpoint [0] == '>' || endpoint [0] == '-' || endpoint [0] == '+' )
        {
            Connect(endpoint + 1);
        }
        else if (serverish)
        {
            rc = Bind(endpoint);
        }
        else
        {
            Connect(endpoint);
        }

        if (!rc)
        {
            return false;
        }

        if (*delimiter == 0)
        {
            break;
        }

        endpoints = delimiter + 1;
    }

    return true;
}