public InboundBufferVec Send(NetworkPipelineContext ctx, InboundBufferVec inboundBuffer, ref bool needsResume, ref bool needsUpdate) { var simulator = new SimulatorUtility(m_SimulatorParams.MaxPacketCount, m_SimulatorParams.MaxPacketSize, m_SimulatorParams.PacketDelayMs); if (inboundBuffer.buffer1.Length + inboundBuffer.buffer2.Length > m_SimulatorParams.MaxPacketSize) { //UnityEngine.Debug.LogWarning("Incoming packet too large for internal storage buffer. Passing through. [buffer=" + (inboundBuffer.buffer1.Length+inboundBuffer.buffer2.Length) + " packet=" + param->MaxPacketSize + "]"); return(inboundBuffer); } var timestamp = ctx.timestamp; // Packet always delayed atm bool delayPacket = true; // Inbound buffer is empty if this is a resumed receive if (delayPacket && inboundBuffer.buffer1.Length > 0) { if (!simulator.DelayPacket(ref ctx, inboundBuffer, ref needsUpdate, timestamp)) { return(inboundBuffer); } } NativeSlice <byte> returnPacket = default(NativeSlice <byte>); if (simulator.GetDelayedPacket(ref ctx, ref returnPacket, ref needsResume, ref needsUpdate, timestamp)) { inboundBuffer.buffer1 = returnPacket; inboundBuffer.buffer2 = default(NativeSlice <byte>); return(inboundBuffer); } return(default(InboundBufferVec)); }
public InboundBufferVec Send(NetworkPipelineContext ctx, InboundBufferVec inboundBuffer, ref bool needsResume, ref bool needsUpdate) { // Request an update to see if a queued packet needs to be resent later or if an ack packet should be sent needsUpdate = true; var header = new ReliableUtility.PacketHeader(); unsafe { var reliable = (ReliableUtility.Context *)ctx.internalProcessBuffer.GetUnsafePtr(); needsResume = ReliableUtility.ReleaseOrResumePackets(ctx); if (inboundBuffer.buffer1.Length > 0) { reliable->LastSentTime = ctx.timestamp; ReliableUtility.Write(ctx, inboundBuffer, ref header); ctx.header.WriteBytes((byte *)&header, UnsafeUtility.SizeOf <ReliableUtility.PacketHeader>()); if (reliable->Resume != ReliableUtility.NullEntry) { needsResume = true; } reliable->PreviousTimestamp = ctx.timestamp; return(inboundBuffer); } if (reliable->Resume != ReliableUtility.NullEntry) { reliable->LastSentTime = ctx.timestamp; var slice = ReliableUtility.ResumeSend(ctx, out header, ref needsResume); ctx.header.Clear(); ctx.header.WriteBytes((byte *)&header, UnsafeUtility.SizeOf <ReliableUtility.PacketHeader>()); inboundBuffer.buffer1 = slice; inboundBuffer.buffer2 = default(NativeSlice <byte>); reliable->PreviousTimestamp = ctx.timestamp; return(inboundBuffer); } if (ReliableUtility.ShouldSendAck(ctx)) { reliable->LastSentTime = ctx.timestamp; ReliableUtility.WriteAckPacket(ctx, ref header); ctx.header.WriteBytes((byte *)&header, UnsafeUtility.SizeOf <ReliableUtility.PacketHeader>()); reliable->PreviousTimestamp = ctx.timestamp; // TODO: Sending dummy byte over since the pipeline won't send an empty payload (ignored on receive) inboundBuffer.buffer1 = new NativeSlice <byte>(ctx.internalProcessBuffer, 0, 1); return(inboundBuffer); } reliable->PreviousTimestamp = ctx.timestamp; return(inboundBuffer); } }
public InboundBufferVec Send(NetworkPipelineContext ctx, InboundBufferVec inboundBuffer, ref bool needsResume, ref bool needsUpdate) { needsResume = false; unsafe { var sequenceId = (int *)ctx.internalProcessBuffer.GetUnsafePtr(); ctx.header.Write((ushort)*sequenceId); *sequenceId = (ushort)(*sequenceId + 1); } return(inboundBuffer); }
public unsafe NativeSlice <byte> Receive(NetworkPipelineContext ctx, NativeSlice <byte> inboundBuffer, ref bool needsResume, ref bool needsUpdate, ref bool needsSendUpdate) { var param = (SimulatorUtility.Context *)ctx.internalSharedProcessBuffer.GetUnsafePtr(); var simulator = new SimulatorUtility(m_SimulatorParams.MaxPacketCount, m_SimulatorParams.MaxPacketSize, m_SimulatorParams.PacketDelayMs); if (inboundBuffer.Length > m_SimulatorParams.MaxPacketSize) { //UnityEngine.Debug.LogWarning("Incoming packet too large for internal storage buffer. Passing through. [buffer=" + inboundBuffer.Length + " packet=" + param->MaxPacketSize + "]"); // TODO: Add error code for this return(inboundBuffer); } var timestamp = ctx.timestamp; if (inboundBuffer.Length > 0) { param->PacketCount++; } bool delayPacket = param->PacketDelayMs > 0; // Inbound buffer is empty if this is a resumed receive if (delayPacket && inboundBuffer.Length > 0) { var bufferVec = default(InboundBufferVec); bufferVec.buffer1 = inboundBuffer; if (!simulator.DelayPacket(ref ctx, bufferVec, ref needsUpdate, timestamp)) { return(inboundBuffer); } } if (simulator.ShouldDropPacket(param, m_SimulatorParams, timestamp)) { param->PacketDropCount++; return(new NativeSlice <byte>()); } NativeSlice <byte> returnPacket = default(NativeSlice <byte>); if (simulator.GetDelayedPacket(ref ctx, ref returnPacket, ref needsResume, ref needsUpdate, timestamp)) { return(returnPacket); } // Pass packet through, nothing was done with it. Or return empty buffer if no inbound buffer is here (then nothing is being resurrected) if (!delayPacket && inboundBuffer.Length > 0) { return(inboundBuffer); } return(new NativeSlice <byte>()); }
public NativeSlice <byte> Receive(NetworkPipelineContext ctx, NativeSlice <byte> inboundBuffer, ref bool needsResume, ref bool needsUpdate, ref bool needsSendUpdate) { needsResume = false; var reader = new DataStreamReader(inboundBuffer); var context = default(DataStreamReader.Context); unsafe { var oldSequenceId = (int *)ctx.internalProcessBuffer.GetUnsafePtr(); ushort sequenceId = reader.ReadUShort(ref context); if (SequenceHelpers.GreaterThan16(sequenceId, (ushort)*oldSequenceId)) { *oldSequenceId = sequenceId; // Skip over the part of the buffer which contains the header return(inboundBuffer.Slice(sizeof(ushort))); } } return(default(NativeSlice <byte>)); }
public NativeSlice <byte> InvokeReceive(int pipelineStageId, NetworkPipelineContext ctx, NativeSlice <byte> inboundBuffer, ref bool needsResume, ref bool needsUpdate, ref bool needsSendUpdate) { switch (pipelineStageId) { case 0: return(m_SimulatorPipelineStage.Receive(ctx, inboundBuffer, ref needsResume, ref needsUpdate, ref needsSendUpdate)); case 1: return(m_SimulatorPipelineStageInSend.Receive(ctx, inboundBuffer, ref needsResume, ref needsUpdate, ref needsSendUpdate)); case 2: return(m_NullPipelineStage.Receive(ctx, inboundBuffer, ref needsResume, ref needsUpdate, ref needsSendUpdate)); case 3: return(m_UnreliableSequencedPipelineStage.Receive(ctx, inboundBuffer, ref needsResume, ref needsUpdate, ref needsSendUpdate)); case 4: return(m_ReliableSequencedPipelineStage.Receive(ctx, inboundBuffer, ref needsResume, ref needsUpdate, ref needsSendUpdate)); } return(inboundBuffer); }
public InboundBufferVec InvokeSend(int pipelineStageId, NetworkPipelineContext ctx, InboundBufferVec inboundBuffer, ref bool needsResume, ref bool needsUpdate) { switch (pipelineStageId) { case 0: return(m_SimulatorPipelineStage.Send(ctx, inboundBuffer, ref needsResume, ref needsUpdate)); case 1: return(m_SimulatorPipelineStageInSend.Send(ctx, inboundBuffer, ref needsResume, ref needsUpdate)); case 2: return(m_NullPipelineStage.Send(ctx, inboundBuffer, ref needsResume, ref needsUpdate)); case 3: return(m_UnreliableSequencedPipelineStage.Send(ctx, inboundBuffer, ref needsResume, ref needsUpdate)); case 4: return(m_ReliableSequencedPipelineStage.Send(ctx, inboundBuffer, ref needsResume, ref needsUpdate)); } return(inboundBuffer); }
public InboundBufferVec Send(NetworkPipelineContext ctx, InboundBufferVec inboundBuffer, ref bool needsResume, ref bool needsUpdate) { return(inboundBuffer); }
public NativeSlice <byte> Receive(NetworkPipelineContext ctx, NativeSlice <byte> inboundBuffer, ref bool needsResume, ref bool needsUpdate, ref bool needsSendUpdate) { return(new NativeSlice <byte>(inboundBuffer, 0, inboundBuffer.Length)); }
public NativeSlice <byte> Receive(NetworkPipelineContext ctx, NativeSlice <byte> inboundBuffer, ref bool needsResume, ref bool needsUpdate, ref bool needsSendUpdate) { needsResume = false; // Request a send update to see if a queued packet needs to be resent later or if an ack packet should be sent needsSendUpdate = true; var context = default(DataStreamReader.Context); var header = default(ReliableUtility.PacketHeader); var slice = default(NativeSlice <byte>); unsafe { ReliableUtility.Context * reliable = (ReliableUtility.Context *)ctx.internalProcessBuffer.GetUnsafePtr(); ReliableUtility.SharedContext *shared = (ReliableUtility.SharedContext *)ctx.internalSharedProcessBuffer.GetUnsafePtr(); shared->errorCode = 0; if (reliable->Resume == ReliableUtility.NullEntry) { if (inboundBuffer.Length <= 0) { return(slice); } var reader = new DataStreamReader(inboundBuffer); reader.ReadBytes(ref context, (byte *)&header, UnsafeUtility.SizeOf <ReliableUtility.PacketHeader>()); if (header.Type == (ushort)ReliableUtility.PacketType.Ack) { ReliableUtility.ReadAckPacket(ctx, header); inboundBuffer = new NativeSlice <byte>(); return(inboundBuffer); } var result = ReliableUtility.Read(ctx, header); if (result >= 0) { var nextExpectedSequenceId = (ushort)(reliable->Delivered + 1); if (result == nextExpectedSequenceId) { reliable->Delivered = result; slice = inboundBuffer.Slice(UnsafeUtility.SizeOf <ReliableUtility.PacketHeader>()); if (needsResume = SequenceHelpers.GreaterThan16((ushort)shared->ReceivedPackets.Sequence, (ushort)result)) { reliable->Resume = (ushort)(result + 1); } } else { ReliableUtility.SetPacket(ctx.internalProcessBuffer, result, inboundBuffer.Slice(UnsafeUtility.SizeOf <ReliableUtility.PacketHeader>())); slice = ReliableUtility.ResumeReceive(ctx, reliable->Delivered + 1, ref needsResume); } } } else { slice = ReliableUtility.ResumeReceive(ctx, reliable->Resume, ref needsResume); } } return(slice); }
private void ProcessReceiveStage(int stage, NetworkPipeline pipeline, int internalBufferOffset, int internalSharedBufferOffset, ref NetworkPipelineContext ctx, ref NativeSlice <byte> inboundBuffer, ref NativeList <int> resumeQ, ref bool needsUpdate, ref bool needsSendUpdate) { bool needsResume = false; var p = m_Pipelines[pipeline.Id - 1]; ctx.internalProcessBuffer = new NativeSlice <byte>(m_ReceiveBuffer, internalBufferOffset, m_StageCollection.GetReceiveCapacity(m_StageList[p.FirstStageIndex + stage])); ctx.internalSharedProcessBuffer = new NativeSlice <byte>(m_SharedBuffer, internalSharedBufferOffset, m_StageCollection.GetSharedStateCapacity(m_StageList[p.FirstStageIndex + stage])); var stageId = m_StageList[p.FirstStageIndex + stage]; inboundBuffer = m_StageCollection.InvokeReceive(stageId, ctx, inboundBuffer, ref needsResume, ref needsUpdate, ref needsSendUpdate); if (needsResume) { resumeQ.Add(stage); } }
private void ProcessReceiveStagesFrom <T>(T driver, int startStage, NetworkPipeline pipeline, NetworkConnection connection, NativeSlice <byte> buffer) where T : struct, INetworkPipelineReceiver { var p = m_Pipelines[pipeline.Id - 1]; var connectionId = connection.m_NetworkId; var resumeQ = new NativeList <int>(16, Allocator.Temp); int resumeQStart = 0; NetworkPipelineContext ctx = default(NetworkPipelineContext); ctx.timestamp = Timestamp; var inboundBuffer = new NativeSlice <byte>(buffer, 0, buffer.Length); ctx.header = default(DataStreamWriter); NativeList <UpdatePipeline> sendUpdates = new NativeList <UpdatePipeline>(128, Allocator.Temp); while (true) { bool needsUpdate = false; bool needsSendUpdate = false; int internalBufferOffset = p.receiveBufferOffset + sizePerConnection[RecveiveSizeOffset] * connectionId; int internalSharedBufferOffset = p.sharedBufferOffset + sizePerConnection[SharedSizeOffset] * connectionId; // Adjust offset accounting for stages in front of the starting stage, since we're parsing the stages in reverse order for (int st = 0; st < startStage; ++st) { internalBufferOffset += m_StageCollection.GetReceiveCapacity(m_StageList[p.FirstStageIndex + st]); internalSharedBufferOffset += m_StageCollection.GetSharedStateCapacity(m_StageList[p.FirstStageIndex + st]); } for (int i = startStage; i >= 0; --i) { ProcessReceiveStage(i, pipeline, internalBufferOffset, internalSharedBufferOffset, ref ctx, ref inboundBuffer, ref resumeQ, ref needsUpdate, ref needsSendUpdate); if (needsUpdate) { var newUpdate = new UpdatePipeline { connection = connection, stage = i, pipeline = pipeline }; bool uniqueItem = true; for (int j = 0; j < m_ReceiveStageNeedsUpdate.Length; ++j) { if (m_ReceiveStageNeedsUpdate[j].stage == newUpdate.stage && m_ReceiveStageNeedsUpdate[j].pipeline.Id == newUpdate.pipeline.Id && m_ReceiveStageNeedsUpdate[j].connection == newUpdate.connection) { uniqueItem = false; } } if (uniqueItem) { m_ReceiveStageNeedsUpdate.Add(newUpdate); } } if (needsSendUpdate) { AddSendUpdate(connection, i, pipeline, m_SendStageNeedsUpdate); } if (inboundBuffer.Length == 0) { break; } // Offset needs to be adjusted for the next pipeline (the one in front of this one) if (i > 0) { internalBufferOffset -= m_StageCollection.GetReceiveCapacity(m_StageList[p.FirstStageIndex + i - 1]); internalSharedBufferOffset -= m_StageCollection.GetSharedStateCapacity(m_StageList[p.FirstStageIndex + i - 1]); } needsUpdate = false; } if (inboundBuffer.Length != 0) { driver.PushDataEvent(connection, inboundBuffer); } if (resumeQStart >= resumeQ.Length) { return; } startStage = resumeQ[resumeQStart++]; inboundBuffer = default(NativeSlice <byte>); } }
private void ProcessSendStage(int startStage, int internalBufferOffset, int internalSharedBufferOffset, PipelineImpl p, ref NativeList <int> resumeQ, ref NetworkPipelineContext ctx, ref InboundBufferVec inboundBuffer, ref bool needsUpdate) { bool needsResume = false; ctx.internalProcessBuffer = Unsafe_GetSliceFromReadOnlyArray(sendBuffer, internalBufferOffset, m_StageCollection.GetSendCapacity(m_StageList[p.FirstStageIndex + startStage])); ctx.internalSharedProcessBuffer = Unsafe_GetSliceFromReadOnlyArray(sharedBuffer, internalSharedBufferOffset, m_StageCollection.GetSharedStateCapacity(m_StageList[p.FirstStageIndex + startStage])); inboundBuffer = m_StageCollection.InvokeSend(m_StageList[p.FirstStageIndex + startStage], ctx, inboundBuffer, ref needsResume, ref needsUpdate); if (needsResume) { resumeQ.Add(startStage); } }
internal unsafe void ProcessPipelineSend <T>(T driver, int startStage, NetworkPipeline pipeline, NetworkConnection connection, NativeSlice <byte> payloadBuffer, NativeList <UpdatePipeline> currentUpdates) where T : struct, INetworkPipelineSender { NetworkPipelineContext ctx = default(NetworkPipelineContext); ctx.timestamp = m_timestamp[0]; var p = m_Pipelines[pipeline.Id - 1]; var connectionId = connection.m_NetworkId; var resumeQ = new NativeList <int>(16, Allocator.Temp); int resumeQStart = 0; ctx.header = new DataStreamWriter(p.headerCapacity, Allocator.Temp); var inboundBuffer = default(InboundBufferVec); inboundBuffer.buffer1 = payloadBuffer; var prevHeader = new DataStreamWriter(p.headerCapacity, Allocator.Temp); while (true) { int internalBufferOffset = p.sendBufferOffset + sizePerConnection[SendSizeOffset] * connectionId; int internalSharedBufferOffset = p.sharedBufferOffset + sizePerConnection[SharedSizeOffset] * connectionId; bool needsUpdate = false; // If this is not the first stage we need to fast forward the buffer offset to the correct place if (startStage > 0) { for (int i = 0; i < startStage; ++i) { internalBufferOffset += m_StageCollection.GetSendCapacity(m_StageList[p.FirstStageIndex + i]); internalSharedBufferOffset += m_StageCollection.GetSharedStateCapacity(m_StageList[p.FirstStageIndex + i]); } } for (int i = startStage; i < p.NumStages; ++i) { var prevInbound = inboundBuffer; ProcessSendStage(i, internalBufferOffset, internalSharedBufferOffset, p, ref resumeQ, ref ctx, ref inboundBuffer, ref needsUpdate); if (inboundBuffer.buffer1 == prevInbound.buffer1 && inboundBuffer.buffer2 == prevInbound.buffer2) { if (ctx.header.Length > 0) { if (prevHeader.Length > 0) { ctx.header.WriteBytes(prevHeader.GetUnsafeReadOnlyPtr(), prevHeader.Length); } prevHeader.Clear(); var tempHeader = ctx.header; ctx.header = prevHeader; prevHeader = tempHeader; if (inboundBuffer.buffer2.Length == 0) { inboundBuffer.buffer2 = inboundBuffer.buffer1; } inboundBuffer.buffer1 = prevHeader.GetNativeSlice(0, prevHeader.Length); } } else { #if ENABLE_UNITY_COLLECTIONS_CHECKS if (inboundBuffer.buffer2.Length > 0) { throw new InvalidOperationException("Pipeline send stages must return either the unmodified inbound buffers or a consolidated version with a single buffer"); } #endif // Prev header is now part of payload prevHeader.Clear(); if (ctx.header.Length > 0) { var tempHeader = ctx.header; ctx.header = prevHeader; prevHeader = tempHeader; inboundBuffer.buffer2 = inboundBuffer.buffer1; inboundBuffer.buffer1 = prevHeader.GetNativeSlice(0, prevHeader.Length); } } if (needsUpdate) { AddSendUpdate(connection, i, pipeline, currentUpdates); } if (inboundBuffer.buffer1.Length == 0) { break; } needsUpdate = false; internalBufferOffset += ctx.internalProcessBuffer.Length; internalSharedBufferOffset += ctx.internalSharedProcessBuffer.Length; } if (inboundBuffer.buffer1.Length != 0) { var iov = stackalloc network_iovec[4]; var pipelineId = pipeline.Id; iov[0].buf = &pipelineId; iov[0].len = 1; iov[1].buf = ctx.header.GetUnsafePtr(); iov[1].len = ctx.header.Length; iov[2].buf = inboundBuffer.buffer1.GetUnsafeReadOnlyPtr(); iov[2].len = inboundBuffer.buffer1.Length; if (inboundBuffer.buffer2.Length > 0) { iov[3].buf = inboundBuffer.buffer2.GetUnsafeReadOnlyPtr(); iov[3].len = inboundBuffer.buffer2.Length; // FIXME: handle send errors driver.Send(connection, iov, 4); } else { driver.Send(connection, iov, 3); } } if (resumeQStart >= resumeQ.Length) { break; } startStage = resumeQ[resumeQStart++]; prevHeader.Clear(); inboundBuffer = default(InboundBufferVec); } }
public NativeSlice <byte> InvokeReceive(int pipelineStageId, NetworkPipelineContext ctx, NativeSlice <byte> inboundBuffer, ref bool needsResume, ref bool needsUpdate, ref bool needsSendUpdate) { return(inboundBuffer); }
public InboundBufferVec InvokeSend(int pipelineStageId, NetworkPipelineContext ctx, InboundBufferVec inboundBuffer, ref bool needsResume, ref bool needsUpdate) { return(inboundBuffer); }