MR_Reply *_SendMRRequest(Eip_Session *session,CIP_USINT service,BYTE *path,
CIP_USINT requestpathsize,void *requestdata,int requestdatasize,int *replysize)
{ int mrsize=0;
MR_Request *request=_BuildMRRequest(service,path,requestpathsize,requestdata,requestdatasize,&mrsize);
MR_Reply *reply=_ExSendMRRequest(session,request,mrsize,replysize);
free(request);
return(reply);
}
MR_Reply *_UnconnectedSend(Eip_Session *session,BYTE Priority,
CIP_USINT TimeOut_Ticks,
MR_Request *MRrequest,int MRrequestsize,
BYTE *routepath,CIP_USINT routepathsize,int *replysize)
{ Unconnected_Send_Request *UCRequest=NULL;
MR_Reply *reply=NULL;
if ((MRrequest==NULL) && (MRrequestsize<=0))
{
CIPERROR(Internal_Error,E_NothingToSend,0);
return(NULL);
}
if ((routepath!=NULL) && (routepathsize>0)) //
{ int UCRequestsize=sizeof(Unconnected_Send_Request)
+MRrequestsize
+(MRrequestsize%2) // pad
+routepathsize+routepathsize%2;
UCRequest=malloc(UCRequestsize);
if (UCRequest==NULL)
{
CIPERROR(Sys_Error,errno,0);
return(NULL);
};
memset(UCRequest,0,UCRequestsize);
void *pos=(void *)(&(UCRequest->MRRequest));
UCRequest->Priority=Priority;//used to calculate request timeout information
UCRequest->TimeOut_Ticks=TimeOut_Ticks;//used to calculate request timeout information
UCRequest->Request_size=MRrequestsize;
memcpy(pos,MRrequest,MRrequestsize);
pos+=MRrequestsize+MRrequestsize%2;
*((CIP_USINT *)pos)=routepathsize/2;
pos+=2*sizeof(CIP_USINT);
memcpy(pos,routepath,routepathsize);
reply=_SendMRRequest(session,UNCONNECTED_SEND,CM_PATH,sizeof(CM_PATH),UCRequest,UCRequestsize,replysize);
free(UCRequest);
if (reply!=NULL)
{
if ((reply->Service!=(UNCONNECTED_SEND+0x80))&&(reply->Service!=(MRrequest->Service+0x80)))
{
CIPERROR(Internal_Error,E_UnsolicitedMsg,0);
free(reply);
return(NULL);
} else
{
CIPERROR(MR_Error,reply->General_Status,_GetMRExtendedStatus(reply));
return(reply);
}
} else return(NULL);
} else
{
reply=_ExSendMRRequest(session,MRrequest,MRrequestsize,replysize);
if (reply!=NULL)
{
if (reply->Service!=(MRrequest->Service+0x80))
{
CIPERROR(Internal_Error,E_UnsolicitedMsg,0);
free(reply);
return(NULL);
} else
{
CIPERROR(MR_Error,reply->General_Status,_GetMRExtendedStatus(reply));
return(reply);
}
} else return(NULL);
}
}
