void CImConn::OnRead()
{
for (;;)
{
uint32_t free_buf_len = m_in_buf.GetAllocSize() - m_in_buf.GetWriteOffset();
if (free_buf_len < READ_BUF_SIZE)
m_in_buf.Extend(READ_BUF_SIZE);
int ret = netlib_recv(m_handle, m_in_buf.GetBuffer() + m_in_buf.GetWriteOffset(), READ_BUF_SIZE);
if (ret == 0) {
log("close on netlib_recv=0");
OnClose();
return;
} else if (ret < 0) {
if (errno == EAGAIN || errno == EWOULDBLOCK) {
break;
} else {
log("close on error=%d", errno);
OnClose();
return;
}
}
m_recv_bytes += ret;
m_in_buf.IncWriteOffset(ret);
m_last_recv_tick = get_tick_count();
}
CImPdu* pPdu = NULL;
try
{
while ( ( pPdu = CImPdu::ReadPdu(m_in_buf.GetBuffer(), m_in_buf.GetWriteOffset()) ) )
{
uint32_t pdu_len = pPdu->GetLength();
HandlePdu(pPdu);
m_in_buf.Read(NULL, pdu_len);
delete pPdu;
pPdu = NULL;
// ++g_recv_pkt_cnt;
}
} catch (CPduException& ex) {
log("!!!catch exception, sid=%u, cid=%u, err_code=%u, err_msg=%s, close the connection ",
ex.GetServiceId(), ex.GetCommandId(), ex.GetErrorCode(), ex.GetErrorMsg());
if (pPdu) {
delete pPdu;
pPdu = NULL;
}
OnClose();
}
}
void CImConn::OnRead()
{
for (;;)
{
uint32_t free_buf_len = m_in_buf.GetAllocSize() - m_in_buf.GetWriteOffset();
if (free_buf_len < READ_BUF_SIZE)
m_in_buf.Extend(READ_BUF_SIZE);
int ret = netlib_recv(m_handle, m_in_buf.GetBuffer() + m_in_buf.GetWriteOffset(), READ_BUF_SIZE);
if (ret <= 0)
break;
m_recv_bytes += ret;
m_in_buf.IncWriteOffset(ret);
m_last_recv_tick = get_tick_count();
}
if (m_policy_conn) {
return;
}
// no received data is read by ReadPdu(), check if this is a flash security policy request
if (m_recv_bytes == m_in_buf.GetWriteOffset()) {
if ( (m_in_buf.GetBuffer()[0] == '<') && (g_policy_content != NULL) ) {
log("policy request, handle=%d\n", m_handle);
m_policy_conn = true;
Send(g_policy_content, g_policy_len);
return;
}
}
try {
CImPdu* pPdu = NULL;
while ( ( pPdu = CImPdu::ReadPdu(m_in_buf.GetBuffer(), m_in_buf.GetWriteOffset()) ) )
{
uint32_t pdu_len = pPdu->GetLength();
HandlePdu(pPdu);
m_in_buf.Read(NULL, pdu_len);
delete pPdu;
++g_recv_pkt_cnt;
}
} catch (CPduException& ex) {
log("!!!catch exception, sid=%u, cid=%u, err_code=%u, err_msg=%s, close the connection\n",
ex.GetModuleId(), ex.GetCommandId(), ex.GetErrorCode(), ex.GetErrorMsg());
OnClose();
}
}
void CImConn::OnRead() {
while (true) {
uint32_t free_buf_len = m_in_buff.GetAllocSize()
- m_in_buff.GetWriteOffset();
if (free_buf_len < READ_BUF_SIZE) {
m_in_buff.Extend(READ_BUF_SIZE);
}
int ret = netlib_recv(m_handle,
m_in_buff.GetBuffer() + m_in_buff.GetWriteOffset(),
READ_BUF_SIZE);
if (ret <= 0) {
break;
}
m_recv_bytes += ret;
m_in_buff.IncWriteOffset(ret);
m_last_recv_tick = get_tick_count();
}
if (m_policy_conn) {
return;
}
if (m_recv_bytes == m_in_buff.GetWriteOffset()) {
if ((m_in_buff.GetBuffer()[0] == '<') && (g_policy_content != NULL)) {
m_policy_conn = true;
Send(g_policy_content, g_policy_len);
return;
}
}
CImPdu *pPdu = NULL;
while ((pPdu = CImPdu::ReadPdu(m_in_buff.GetBuffer(), m_in_buff.GetWriteOffset()))) {
uint32_t pdu_len = pPdu->GetLength();
HandlePdu(pPdu);
m_in_buff.Read(NULL, pdu_len);
delete pPdu;
++g_recv_pkt_cnt;
}
}
void CGroupChat::HandleGroupInfoResponse(CImPdu* pPdu)
{
IM::Group::IMGroupInfoListRsp msg;
CHECK_PB_PARSE_MSG(msg.ParseFromArray(pPdu->GetBodyData(), pPdu->GetBodyLength()));
uint32_t user_id = msg.user_id();
uint32_t group_cnt = msg.group_info_list_size();
CPduAttachData pduAttachData((uchar_t*)msg.attach_data().c_str(), msg.attach_data().length());
log("HandleGroupInfoResponse, user_id=%u, group_cnt=%u. ", user_id, group_cnt);
//此处是查询成员时使用，主要用于群消息从数据库获得msg_id后进行发送,一般此时group_cnt = 1
if (pduAttachData.GetPduLength() > 0 && group_cnt > 0)
{
IM::BaseDefine::GroupInfo group_info = msg.group_info_list(0);
uint32_t group_id = group_info.group_id();
log("GroupInfoRequest is send by server, group_id=%u ", group_id);
std::set<uint32_t> group_member_set;
for (uint32_t i = 0; i < group_info.group_member_list_size(); i++)
{
uint32_t member_user_id = group_info.group_member_list(i);
group_member_set.insert(member_user_id);
}
if (group_member_set.find(user_id) == group_member_set.end())
{
log("user_id=%u is not in group, group_id=%u. ", user_id, group_id);
return;
}
IM::Message::IMMsgData msg2;
CHECK_PB_PARSE_MSG(msg2.ParseFromArray(pduAttachData.GetPdu(), pduAttachData.GetPduLength()));
CImPdu pdu;
pdu.SetPBMsg(&msg2);
pdu.SetServiceId(SID_MSG);
pdu.SetCommandId(CID_MSG_DATA);
//Push相关
IM::Server::IMGroupGetShieldReq msg3;
msg3.set_group_id(group_id);
msg3.set_attach_data(pdu.GetBodyData(), pdu.GetBodyLength());
for (uint32_t i = 0; i < group_info.group_member_list_size(); i++)
{
uint32_t member_user_id = group_info.group_member_list(i);
msg3.add_user_id(member_user_id);
CImUser* pToImUser = CImUserManager::GetInstance()->GetImUserById(member_user_id);
if (pToImUser)
{
CMsgConn* pFromConn = NULL;
if( member_user_id == user_id )
{
uint32_t reqHandle = pduAttachData.GetHandle();
if(reqHandle != 0)
pFromConn = CImUserManager::GetInstance()->GetMsgConnByHandle(user_id, reqHandle);
}
pToImUser->BroadcastData(pdu.GetBuffer(), pdu.GetLength(), pFromConn);
}
}
CImPdu pdu2;
pdu2.SetPBMsg(&msg3);
pdu2.SetServiceId(SID_OTHER);
pdu2.SetCommandId(CID_OTHER_GET_SHIELD_REQ);
CDBServConn* pDbConn = get_db_serv_conn();
if (pDbConn)
{
pDbConn->SendPdu(&pdu2);
}
}
else if (pduAttachData.GetPduLength() == 0)
{
//正常获取群信息的返回
CMsgConn* pConn = CImUserManager::GetInstance()->GetMsgConnByHandle(user_id, pduAttachData.GetHandle());
if (pConn)
{
msg.clear_attach_data();
pPdu->SetPBMsg(&msg);
pConn->SendPdu(pPdu);
}
}
}
