Line data    Source code

       1              : /*
       2              :  *
       3              :  *    Copyright (c) 2020-2021 Project CHIP Authors
       4              :  *
       5              :  *    Licensed under the Apache License, Version 2.0 (the "License");
       6              :  *    you may not use this file except in compliance with the License.
       7              :  *    You may obtain a copy of the License at
       8              :  *
       9              :  *        http://www.apache.org/licenses/LICENSE-2.0
      10              :  *
      11              :  *    Unless required by applicable law or agreed to in writing, software
      12              :  *    distributed under the License is distributed on an "AS IS" BASIS,
      13              :  *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      14              :  *    See the License for the specific language governing permissions and
      15              :  */
      16              : 
      17              : #include <transport/TransportMgrBase.h>
      18              : 
      19              : #include <lib/support/CodeUtils.h>
      20              : #include <platform/LockTracker.h>
      21              : #include <transport/TransportMgr.h>
      22              : #include <transport/raw/Base.h>
      23              : 
      24              : namespace chip {
      25              : 
      26        15136 : CHIP_ERROR TransportMgrBase::SendMessage(const Transport::PeerAddress & address, System::PacketBufferHandle && msgBuf)
      27              : {
      28        15136 :     return mTransport->SendMessage(address, std::move(msgBuf));
      29              : }
      30              : 
      31              : #if INET_CONFIG_ENABLE_TCP_ENDPOINT
      32            0 : CHIP_ERROR TransportMgrBase::TCPConnect(const Transport::PeerAddress & address, Transport::AppTCPConnectionCallbackCtxt * appState,
      33              :                                         Transport::ActiveTCPConnectionHandle & peerConnState)
      34              : {
      35            0 :     return mTransport->TCPConnect(address, appState, peerConnState);
      36              : }
      37              : #endif // INET_CONFIG_ENABLE_TCP_ENDPOINT
      38              : 
      39           77 : CHIP_ERROR TransportMgrBase::Init(Transport::Base * transport)
      40              : {
      41           77 :     if (mTransport != nullptr)
      42              :     {
      43            0 :         return CHIP_ERROR_INCORRECT_STATE;
      44              :     }
      45           77 :     mTransport = transport;
      46           77 :     mTransport->SetDelegate(this);
      47              : 
      48           77 :     ChipLogDetail(Inet, "TransportMgr initialized");
      49           77 :     return CHIP_NO_ERROR;
      50              : }
      51              : 
      52           58 : void TransportMgrBase::Close()
      53              : {
      54           58 :     mSessionManager = nullptr;
      55           58 :     mTransport      = nullptr;
      56           58 : }
      57              : 
      58            0 : CHIP_ERROR TransportMgrBase::MulticastGroupJoinLeave(const Transport::PeerAddress & address, bool join)
      59              : {
      60            0 :     return mTransport->MulticastGroupJoinLeave(address, join);
      61              : }
      62              : 
      63        15044 : void TransportMgrBase::HandleMessageReceived(const Transport::PeerAddress & peerAddress, System::PacketBufferHandle && msg,
      64              :                                              Transport::MessageTransportContext * ctxt)
      65              : {
      66              :     // This is the first point all incoming messages funnel through.  Ensure
      67              :     // that our message receipts are all synchronized correctly.
      68        15044 :     assertChipStackLockedByCurrentThread();
      69              : 
      70        15044 :     if (msg->HasChainedBuffer())
      71              :     {
      72              :         // Something in the lower levels messed up.
      73              :         char addrBuffer[Transport::PeerAddress::kMaxToStringSize];
      74            0 :         peerAddress.ToString(addrBuffer);
      75            0 :         ChipLogError(Inet, "message from %s dropped due to lower layers not ensuring a single packet buffer.", addrBuffer);
      76            0 :         return;
      77              :     }
      78              : 
      79        15044 :     if (mSessionManager != nullptr)
      80              :     {
      81        15044 :         mSessionManager->OnMessageReceived(peerAddress, std::move(msg), ctxt);
      82              :     }
      83              :     else
      84              :     {
      85              :         char addrBuffer[Transport::PeerAddress::kMaxToStringSize];
      86            0 :         peerAddress.ToString(addrBuffer);
      87            0 :         ChipLogError(Inet, "message from %s is dropped since no corresponding handler is set in TransportMgr.", addrBuffer);
      88              :     }
      89              : }
      90              : 
      91              : #if INET_CONFIG_ENABLE_TCP_ENDPOINT
      92           14 : void TransportMgrBase::HandleConnectionReceived(Transport::ActiveTCPConnectionState & conn)
      93              : {
      94           14 :     if (mSessionManager != nullptr)
      95              :     {
      96           14 :         mSessionManager->HandleConnectionReceived(conn);
      97              :     }
      98           14 : }
      99              : 
     100           20 : void TransportMgrBase::HandleConnectionAttemptComplete(Transport::ActiveTCPConnectionHandle & conn, CHIP_ERROR conErr)
     101              : {
     102           20 :     if (mSessionManager != nullptr)
     103              :     {
     104           20 :         mSessionManager->HandleConnectionAttemptComplete(conn, conErr);
     105              :     }
     106           20 : }
     107              : 
     108           10 : void TransportMgrBase::HandleConnectionClosed(Transport::ActiveTCPConnectionState & conn, CHIP_ERROR conErr)
     109              : {
     110           10 :     if (mSessionManager != nullptr)
     111              :     {
     112           10 :         mSessionManager->HandleConnectionClosed(conn, conErr);
     113              :     }
     114           10 : }
     115              : #endif // INET_CONFIG_ENABLE_TCP_ENDPOINT
     116              : 
     117              : } // namespace chip