/*
* Copyright (c) 2004-2010 Mellanox Technologies LTD. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 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.
*
*/
#ifndef IBMS_SERVER_H
#define IBMS_SERVER_H
#include "node.h"
#include "tcpcomm.h"
#include "msgmgr.h"
/****h* IBMS/Server
* NAME
* IB Management Simulator Server
*
* DESCRIPTION
* The simulator provides a TCP/IP server by which the clients can send
* and receive mads.
*
* AUTHOR
* Eitan Zahavi, Mellanox
*
*********/
/****************************************************/
/******** class IBMSClientConn : GenClient **********/
/****************************************************/
/*
* the client connection class handles a specific client
*/
/*
* One instance of this class per exists for each connected client.
* The instance is created when the client sends the connect message,
* providing the port guid it attaches to.
*/
typedef std::list< class IBMSClientMsgProcessor *> list_pmad_proc;
class IBMSClientConn : GenClient {
private:
/* the actual node this client attached to. */
class IBMSNode *pSimNode;
/* for cleanup we want to keep the registered processors */
list_pmad_proc madProcessors;
uint8_t ibPortNum;
public:
/* constructor */
/* TODO: It is not enough to keep the node - we need the IB port num */
IBMSClientConn(IBMSNode *pN, uint8_t ibPN,
char *hostName, unsigned short portNum) :
GenClient(hostName, portNum, sizeof(ibms_response_t)) {
pSimNode = pN;
ibPortNum = ibPN;
};
/* destructor */
~IBMSClientConn();
/* get the IB Port Number we attach to */
uint8_t getIbPortNum() {
return ibPortNum;
};
/* get the sim node connected to this client */
class IBMSNode *getSimNode() {
return pSimNode;
};
/* handle client bind request */
int handleBindMsg(ibms_bind_msg_t &msg);
friend class IBMSClientMsgProcessor;
friend class IBMSServer;
};
/****************************************************/
/* class IBMSClientMsgProcessor : IBMSMadProcessor **/
/****************************************************/
/*
* Specialization of IBMSMadProcessor - this processor is being created
* for each "BIND" command requested by the client. It should handle
* forwarding of the MAD that it got to the client by invoking the
* client send method.
*/
class IBMSClientMsgProcessor : IBMSMadProcessor {
private:
/* The filtering information by which we attach to. */
ibms_bind_msg_t filter;
/* the client object attached. */
class IBMSClientConn *pClient;
public:
/* if filter is matched - forward the mad msg to the client send() */
int processMad(uint8_t inPort, ibms_mad_msg_t &madMsg);
/* construct the new processor */
IBMSClientMsgProcessor(class IBMSClientConn *pCli,
ibms_bind_msg_t &msg) : IBMSMadProcessor(pCli->pSimNode,
msg.mgt_class,
TRUE) {
MSGREG(inf1,'V', "Binding client to node:$ class:$","server");
filter = msg;
pClient = pCli;
MSGSND(inf1, pCli->pSimNode->getIBNode()->name, msg.mgt_class);
};
};
/****************************************************/
/****** class IBMSServer : public GenServer *********/
/****************************************************/
#define map_sock_client std::map< int, class IBMSClientConn *, std::less< int > >
/*
* The simulator server allowing for multiple clients to connect
*/
class IBMSServer : public GenServer {
/* a list of active clients */
map_sock_client sockToClientMap;
/* pointer back to the simulator */
class IBMgtSim *pSim;
/* handle a connection message */
int handleConnectionMsg(int clientSock, ibms_conn_msg_t &connMsg);
/* handle a connection message */
int handleDisconnectMsg(int clientSock, ibms_disconn_msg_t &discMsg);
/* handle a bind message */
int handleBindMsg(int clientSock, ibms_bind_msg_t &bindMsg);
/* handle a mad message */
int handleMadMsg(int clientSock, ibms_mad_msg_t &madMsg);
/* handle client port capabilities mask request */
int handleCapMsg(int clientSock, ibms_cap_msg_t &msg);
/* invoked when a client is closing - under a lock */
int closingClient(int clientSock);
public:
/* constructor */
IBMSServer(IBMgtSim *pS, unsigned short portNum);
/* handle client request - either create a new client conn or
pass the request to the existing one */
int proccessClientMsg(int clientSock,
int reqLen, char request[],
int &resLen, char *(pResponse[]));
};
#endif /* IBMS_SERVER_H */