transacmng.c

来自「mgcp协议源代码和测试程序,还有一个编译器」· C语言 代码 · 共 1,780 行 · 第 1/5 页

  TMGCPMessage *pAbnfMgcpMsg = NULL;

  Assert(pTransacMng);
  Assert(pAbnfMsgList);
  Assert(pTranMgcpCmdOut);
    
  /* First check if need piggyback other commands */
  if (pTranMgcpCmdOut->pCmdOut->wPiggyCmdNum > 0)
  {
    BuildPiggybackedCommands(pTransacMng, 
                             pAbnfMsgList,
                             &pTransacMng->MsgList,
                             pTranMgcpCmdOut->pCmdOut->wPiggyCmdNum,
                             pTranMgcpCmdOut->pCmdOut->PiggybackCmdIDTable);
  }

  /* Fill the current outgoing mgcp command */
  pAbnfMsgList->MGCPMessage.pNode = realloc(pAbnfMsgList->MGCPMessage.pNode,
            ((WORD)pAbnfMsgList->MGCPMessage.iNum+1)*sizeof(TMGCPMessage));
  Assert(pAbnfMsgList->MGCPMessage.pNode);

  pAbnfMgcpMsg = ((TMGCPMessage*)pAbnfMsgList->MGCPMessage.pNode)
                  + pAbnfMsgList->MGCPMessage.iNum;
  memset(pAbnfMgcpMsg, 0, sizeof(TMGCPMessage));

  pAbnfMsgList->MGCPMessage.iNum++;


  /* Command type */
  pAbnfMgcpMsg->iType = MGCPMessage_MGCPCommand;

  /* Fill the command data */
  FillAbnfMgcpCommand(&pAbnfMgcpMsg->u.MGCPCommand,
                      pTranMgcpCmdOut->pCmdOut->eType,
                      pTranMgcpCmdOut->pCmdOut->u.pRsipCmd,
                      pTranMgcpCmdOut->dwTransacId,
                      pTranMgcpCmdOut->pCmdOut->hEndpointHandle->pcEndpointName,
                      pTransacMng->pcDomainName,
                      pTransacMng->pStack->pcMgcpVersion,
                      pTransacMng->pStack->pcProfileName);
}
/******************************************************************************
 * Function          : FillAbnfMgcpRspOut
 *
 * Description       : Fill the Abnf mgcp response
 *                     
 * Input parameters  : pTransacMng - Handle of the TransacMng 
 *                     pMgcpRspOut - Pointer to Mgcp outgoing response data
 *                     bNeedAck - Flag of whether this response need ack
 *
 * Output parameters : pAbnfMsgList
 *
 * Return value      : None
 *
 * Comments          : 
 *
 * History           :
 *  2005/09/04       : Creation
 *
 * Date              : Sep 04 2005, Frank Zhang
 ******************************************************************************/
void FillAbnfMgcpRspOut(H_MGCP_TRANSAC_MANAGER pTransacMng,
                        TMGCPMsgList *pAbnfMsgList,
                        MGCP_RSP_OUT *pMgcpRspOut,
                        BOOL bNeedAck)
{
  TMGCPMessage *pAbnfMgcpMsg = NULL;  
  
  Assert(pTransacMng);
  Assert(pAbnfMsgList);
  Assert(pMgcpRspOut);
  
  /* First check if need piggyback other commands */
  if (pMgcpRspOut->wPiggyCmdNum > 0)
  {
    BuildPiggybackedCommands(pTransacMng, pAbnfMsgList,
                             &pTransacMng->MsgList, pMgcpRspOut->wPiggyCmdNum,
                             pMgcpRspOut->PiggybackCmdIDTable);
  }

  /* Fill the current outgoing mgcp command */
  pAbnfMsgList->MGCPMessage.pNode = realloc(pAbnfMsgList->MGCPMessage.pNode,
            ((WORD)pAbnfMsgList->MGCPMessage.iNum+1)*sizeof(TMGCPMessage));
  Assert(pAbnfMsgList->MGCPMessage.pNode);

  pAbnfMgcpMsg = ((TMGCPMessage*)pAbnfMsgList->MGCPMessage.pNode)
                  + pAbnfMsgList->MGCPMessage.iNum;
  memset(pAbnfMgcpMsg, 0, sizeof(TMGCPMessage));

  pAbnfMsgList->MGCPMessage.iNum++;
  

  /* Command type */
  pAbnfMgcpMsg->iType = MGCPMessage_MGCPResponse;

  /* Fill the command data */
  FillAbnfMgcpResponse(&pAbnfMgcpMsg->u.MGCPResponse, pMgcpRspOut->wRspCode,
                       pMgcpRspOut->pcRspString, pMgcpRspOut->dwTransacId,
                       pMgcpRspOut->eType, pMgcpRspOut->u.pEpcfRsp, bNeedAck);
}
/******************************************************************************
 * Function          : SendMgcpCmdOut
 *
 * Description       : Encode the mgcp commands and sent out to the socket
 *                     
 * Input parameters  : pTransacMng - Handle of the TransacMng 
 *                     pTranMgcpCmdOut - Pointer to Mgcp transaction outgoing
 *                                       command data
 *
 * Output parameters : 
 *
 * Return value      : None
 *
 * Comments          : 
 *
 * History           :
 *  2005/09/03       : Creation
 *
 * Date              : Sep 03 2005, Frank Zhang
 ******************************************************************************/
void SendMgcpCmdOut(H_MGCP_TRANSAC_MANAGER pTransacMng,
                    TRANSAC_CMD_OUT *pTranMgcpCmdOut)
{
  TMGCPMsgList AbnfMsgList;
  TCtx ctx;
  char EnBuffer[ABNF_ENCODE_BUF_LEN];

  Assert(pTransacMng);
  Assert(pTranMgcpCmdOut);
  Assert(pTranMgcpCmdOut->pCmdOut);
  
  memset(&AbnfMsgList, 0, sizeof(TMGCPMsgList));
  CtxInitial(&ctx, EnBuffer, ABNF_ENCODE_BUF_LEN);
  memset(EnBuffer, 0, sizeof(EnBuffer));

  FillAbnfMgcpCmdOut(pTransacMng, &AbnfMsgList, pTranMgcpCmdOut);

  if (EN_MGCPMsgList(&ctx, &AbnfMsgList) == OK)
  {
    struct sockaddr_in DesAddress;
    socklen_t SocketLen = sizeof(struct sockaddr_in);
    WORD wIndex = pTranMgcpCmdOut->pCmdOut->NotifiedEntity.wCurAddrIndex;
	
    DesAddress.sin_family = AF_INET;
    DesAddress.sin_port = htons(pTranMgcpCmdOut->pCmdOut->NotifiedEntity.wPort);
    DesAddress.sin_addr.s_addr
      = htonl(pTranMgcpCmdOut->pCmdOut->NotifiedEntity.pIPAddrList[wIndex]);

    /* If Log message is on, print the transmit abnf message */
    DEBUG({
				int i = 0;
				char str_cur_time[24] = {0};
				if (Get_Time_Ext(str_cur_time, 24) == TRUE)
				{
					LogMSG(LOG_ABNF_MSG, "\r\n>TX ------------ %s:\r\n", str_cur_time);
				}
				else
				{
					LogMSG(LOG_ABNF_MSG, "\r\n>TX----------------------------------------:\r\n");
				}
				LogMSG(LOG_ABNF_MSG, "    IP == %s : port == %d\r\n",
					   inet_ntoa(DesAddress.sin_addr),
					   pTranMgcpCmdOut->pCmdOut->NotifiedEntity.wPort);				
				for (i = 0; i < ctx.pCur-ctx.pHead; i++)
				{
					LogMSG(LOG_ABNF_MSG, "%c", ctx.pHead[i]);
				}
           });
    
    if (sendto(pTransacMng->iSocket_fd, ctx.pHead, ctx.pCur-ctx.pHead, 0,
               (struct sockaddr*)&DesAddress, SocketLen) < 0)
    {
      DEBUG(LogMSG(LOG_ERROR, "\n@@TransacMng: Fail to send socket data! IP: %d, Port: %d",
                   pTranMgcpCmdOut->pCmdOut->NotifiedEntity.pIPAddrList[wIndex],
                   pTranMgcpCmdOut->pCmdOut->NotifiedEntity.wPort););
    }
  }
  else
  {
    DEBUG(LogMSG(LOG_ERROR, "\nFail to encode MGCP outgoing command!"););
  }

  Free_MGCPMsgList(&AbnfMsgList);
}
/******************************************************************************
 * Function          : SendMgcpRspAckOut
 *
 * Description       : Fill the Abnf mgcp Response Ack and sent to the socket
 *                     
 * Input parameters  : pTransacMng - Handle of the TransacMng 
 *                     dwTranID - Transaction ID of the ACK response
 *
 * Output parameters : 
 *
 * Return value      : None
 *
 * Comments          : 
 *
 * History           :
 *  2005/09/03       : Creation
 *
 * Date              : Sep 03 2005, Frank Zhang
 ******************************************************************************/
void SendMgcpRspAckOut(H_MGCP_TRANSAC_MANAGER pTransacMng, DWORD dwTranID)
{
  MGCP_RSP_OUT *pMgcpRspOut = (MGCP_RSP_OUT*)calloc(1, sizeof(MGCP_RSP_OUT));

  Assert(pMgcpRspOut);
  Assert(pTransacMng);  

//  memset(pMgcpRspOut, 0, sizeof(MGCP_RSP_OUT));
  
  /* Send response ack out */
  pMgcpRspOut->wRspCode = 0;
  pMgcpRspOut->dwTransacId = dwTranID;
  
  SendMgcpRspOut(pTransacMng, pMgcpRspOut, FALSE);

  ClearMgcpRspOut(pMgcpRspOut);
  free(pMgcpRspOut);
}
/******************************************************************************
 * Function          : SendMgcpRspOut
 *
 * Description       : Fill the Abnf mgcp Response and sent to the socket, if 
 *                     the response need ack, add the ACK parameter into the
 *                     Abnf response data.
 *                     
 * Input parameters  : pTransacMng - Handle of the TransacMng 
 *                     pMgcpRspOut - Pointer to Mgcp outgoing response data
 *                     bNeedAck - Flag if the response need ack
 *
 * Output parameters : 
 *
 * Return value      : None
 *
 * Comments          : 
 *
 * History           :
 *  2005/09/03       : Creation
 *
 * Date              : Sep 03 2005, Frank Zhang
 ******************************************************************************/
void SendMgcpRspOut(H_MGCP_TRANSAC_MANAGER pTransacMng,
                    MGCP_RSP_OUT *pMgcpRspOut , BOOL bNeedAck)
{
  TMGCPMsgList AbnfMsgList;
  TCtx ctx;
  char EnBuffer[ABNF_ENCODE_BUF_LEN];
  
  memset(&AbnfMsgList, 0, sizeof(TMGCPMsgList)); 
  CtxInitial(&ctx, EnBuffer, ABNF_ENCODE_BUF_LEN);
  memset(EnBuffer, 0, sizeof(EnBuffer));

  Assert(pTransacMng);
  
  FillAbnfMgcpRspOut(pTransacMng, &AbnfMsgList, pMgcpRspOut, bNeedAck);

  if (EN_MGCPMsgList(&ctx, &AbnfMsgList) == OK)
  {
    struct sockaddr_in DesAddress;  
    socklen_t SocketLen = sizeof(struct sockaddr);
    
    DesAddress.sin_family = AF_INET;
    DesAddress.sin_port = htons(pMgcpRspOut->wDesPort);
    DesAddress.sin_addr.s_addr = htonl(pMgcpRspOut->dwDesIpAddr);

    /* If Log message is on, print the transmit abnf message */
    DEBUG({
				int i = 0;
				char str_cur_time[24] = {0};
				if (Get_Time_Ext(str_cur_time, 24) == TRUE)
				{
					LogMSG(LOG_ABNF_MSG, "\r\n>TX ------------ %s:\r\n", str_cur_time);
				}
				else
				{
					LogMSG(LOG_ABNF_MSG, "\r\n>TX----------------------------------------:\r\n");
				}
				LogMSG(LOG_ABNF_MSG, "    IP == %s : port == %d\r\n",
					   inet_ntoa(DesAddress.sin_addr),
					   pMgcpRspOut->wDesPort);	
				for (i = 0; i < ctx.pCur-ctx.pHead; i++)
				{
					LogMSG(LOG_ABNF_MSG, "%c", ctx.pHead[i]);
				}
           });
    
    if (sendto(pTransacMng->iSocket_fd, ctx.pHead, ctx.pCur-ctx.pHead, 0,
           (struct sockaddr*)&DesAddress, SocketLen) <0)
    {
      DEBUG(LogMSG(LOG_ERROR, "\nTransacMng: Fail to send socket data! IP: %d, Port: %d",
                   pMgcpRspOut->dwDesIpAddr,
                   pMgcpRspOut->wDesPort););
    }
  }
  else
  {
    DEBUG(LogMSG(LOG_ERROR, "\nFail to encode MGCP outgoing response!"););
  }

  Free_MGCPMsgList(&AbnfMsgList);
}
/******************************************************************************
 * Function          : RemovePiggyBackingCmdID
 *
 * Description       : Find the commands/responses piggybacking the target
 *                     command id, if found, remove the command id from the 
 *                     piggybacking command ID table, if the tabke is empty, 
 *                     move this command/response from piggybacking list to none
 *                     piggybacking list
 *                     
 * Input parameters  : dwCommandID - Command ID to be find and removed 
 *                     pMsgList - pointer to Mgcp outgoing message list
 *
 * Output parameters : 
 *
 * Return value      : None
 *
 * Comments          : 
 *
 * History           :
 *  2005/09/03       : Creation
 *
 * Date              : Sep 03 2005, Frank Zhang
 ******************************************************************************/
void RemovePiggyBackingCmdID(DWORD dwCommandID, MGCP_MSG_LIST *pMsgList)
{
  WORD i;
  TRANSAC_CMD_OUT *pCmdPiggy;
  TRANSAC_RSP_OUT *pRspPiggy;
  TRANSAC_RSP_WAIT_ACK *pRspPiggyWaitAck;

  Assert(pMsgList);

  SListReset(&pMsgList->CmdSentPiggybackList);
  while((pCmdPiggy = SListGetCurData(&pMsgList->CmdSentPiggybackList))!= NULL)
  {
    Assert(pCmdPiggy->pCmdOut->wPiggyCmdNum > 0);
    for (i = 0; i < pCmdPiggy->pCmdOut->wPiggyCmdNum; i++)
    {
      if (pCmdPiggy->pCmdOut->PiggybackCmdIDTable[i] == dwCommandID)
      {
        WORD j;
        
        /* Advance the following command IDs after the found Command ID */
        for (j = i+1; j < pCmdPiggy->pCmdOut->wPiggyCmdNum; j++)
        {          
          pCmdPiggy->pCmdOut->PiggybackCmdIDTable[i] =
                                   pCmdPiggy->pCmdOut->PiggybackCmdIDTable[j];
        }

        pCmdPiggy->pCmdOut->wPiggyCmdNum--;
        break;
      }
    }