////////////////////////////////////////////////////////////////////////////////
// Subscribe a device to a group. Send out data messages for the current group entries.
int LocalBB::ProcessSubscribeGroupMessage(QueuePointer &resp_queue, player_msghdr * hdr, void * data)
{
if (!CheckHeader(hdr))
return -1;
// Add the device to the listeners map
player_blackboard_entry_t *request = reinterpret_cast<player_blackboard_entry_t*>(data);
std::vector<BlackBoardEntry> entries = SubscribeGroup(request->group, resp_queue, hdr->addr);
for (std::vector<BlackBoardEntry>::iterator itr = entries.begin(); itr != entries.end(); itr++)
{
BlackBoardEntry current_value = *itr;
player_blackboard_entry_t response = ToPlayerBlackBoardEntry(current_value);
size_t response_size = sizeof(player_blackboard_entry_t) + response.key_count + response.group_count + response.data_count;
// Publish the blackboard entries
this->Publish(this->device_addr,
resp_queue,
PLAYER_MSGTYPE_DATA,
PLAYER_BLACKBOARD_DATA_UPDATE,
&response,
response_size,
NULL);
if (response.key)
{
delete [] response.key;
}
if (response.group)
{
delete [] response.group;
}
if (response.data)
{
delete [] response.data;
}
}
// Then send an empty ack
this->Publish(
this->device_addr,
resp_queue,
PLAYER_MSGTYPE_RESP_ACK,
PLAYER_BLACKBOARD_REQ_SUBSCRIBE_TO_GROUP,
NULL,
0,
NULL);
return 0;
}
void CHyperFeedPriceProvider::OnRequest(CRequestBasePtr pRequest)
{
switch(pRequest->m_enType)
{
case _enRequestLast:
GetPrice(pRequest);
break;
case _enRequestRealtime:
Subscribe(pRequest, false);
break;
case _enRequestGroup:
{
CGroupRequestPtr pGroupRequest = boost::shared_dynamic_cast<CGroupRequest>(pRequest);
if(pGroupRequest)
{
if(enGroupRequestLastQuote == pGroupRequest->m_enGroupRequestType)
GetGroupPrice(pGroupRequest->m_recParams);
else
SubscribeGroup(pGroupRequest->m_recParams, pGroupRequest->m_enGroupRequestType);
}
}
break;
}
}
