package io.grpc.okhttp;

import com.google.common.base.Preconditions;
import io.grpc.okhttp.internal.framed.FrameWriter;
import java.io.IOException;
import o.C15111ghZ;

/* JADX INFO: Access modifiers changed from: package-private */
/* loaded from: classes6.dex */
public class OutboundFlowController {
    private final FrameWriter frameWriter;
    private final OkHttpClientTransport transport;
    private int initialWindowSize = 65535;
    private final OutboundFlowState connectionState = new OutboundFlowState(this, 0, 65535);

    /* JADX INFO: Access modifiers changed from: package-private */
    public OutboundFlowController(OkHttpClientTransport okHttpClientTransport, FrameWriter frameWriter) {
        this.transport = (OkHttpClientTransport) Preconditions.checkNotNull(okHttpClientTransport, "transport");
        this.frameWriter = (FrameWriter) Preconditions.checkNotNull(frameWriter, "frameWriter");
    }

    /* JADX INFO: Access modifiers changed from: package-private */
    public boolean initialOutboundWindowSize(int i) {
        if (i < 0) {
            throw new IllegalArgumentException("Invalid initial window size: ".concat(String.valueOf(i)));
        }
        int i2 = i - this.initialWindowSize;
        this.initialWindowSize = i;
        for (OkHttpClientStream okHttpClientStream : this.transport.getActiveStreams()) {
            OutboundFlowState outboundFlowState = (OutboundFlowState) okHttpClientStream.getOutboundFlowState();
            if (outboundFlowState == null) {
                okHttpClientStream.setOutboundFlowState(new OutboundFlowState(this, okHttpClientStream, this.initialWindowSize));
            } else {
                outboundFlowState.incrementStreamWindow(i2);
            }
        }
        return i2 > 0;
    }

    /* JADX INFO: Access modifiers changed from: package-private */
    public int windowUpdate(OkHttpClientStream okHttpClientStream, int i) {
        if (okHttpClientStream == null) {
            int incrementStreamWindow = this.connectionState.incrementStreamWindow(i);
            writeStreams();
            return incrementStreamWindow;
        }
        OutboundFlowState state = state(okHttpClientStream);
        int incrementStreamWindow2 = state.incrementStreamWindow(i);
        WriteStatus writeStatus = new WriteStatus();
        state.writeBytes(state.writableWindow(), writeStatus);
        if (writeStatus.hasWritten()) {
            flush();
        }
        return incrementStreamWindow2;
    }

    /* JADX INFO: Access modifiers changed from: package-private */
    public void data(boolean z, int i, C15111ghZ c15111ghZ, boolean z2) {
        Preconditions.checkNotNull(c15111ghZ, "source");
        OkHttpClientStream stream = this.transport.getStream(i);
        if (stream == null) {
            return;
        }
        OutboundFlowState state = state(stream);
        int writableWindow = state.writableWindow();
        boolean hasPendingData = state.hasPendingData();
        int i2 = (int) c15111ghZ.c;
        if (!hasPendingData && writableWindow >= i2) {
            state.write(c15111ghZ, i2, z);
        } else {
            if (!hasPendingData && writableWindow > 0) {
                state.write(c15111ghZ, writableWindow, false);
            }
            state.enqueue(c15111ghZ, (int) c15111ghZ.c, z);
        }
        if (z2) {
            flush();
        }
    }

    void flush() {
        try {
            this.frameWriter.flush();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }

    private OutboundFlowState state(OkHttpClientStream okHttpClientStream) {
        OutboundFlowState outboundFlowState = (OutboundFlowState) okHttpClientStream.getOutboundFlowState();
        if (outboundFlowState != null) {
            return outboundFlowState;
        }
        OutboundFlowState outboundFlowState2 = new OutboundFlowState(this, okHttpClientStream, this.initialWindowSize);
        okHttpClientStream.setOutboundFlowState(outboundFlowState2);
        return outboundFlowState2;
    }

    /* JADX INFO: Access modifiers changed from: package-private */
    public void writeStreams() {
        int i;
        OkHttpClientStream[] activeStreams = this.transport.getActiveStreams();
        int window = this.connectionState.window();
        int length = activeStreams.length;
        while (true) {
            i = 0;
            if (length <= 0 || window <= 0) {
                break;
            }
            int ceil = (int) Math.ceil(window / length);
            for (int i2 = 0; i2 < length && window > 0; i2++) {
                OkHttpClientStream okHttpClientStream = activeStreams[i2];
                OutboundFlowState state = state(okHttpClientStream);
                int min = Math.min(window, Math.min(state.unallocatedBytes(), ceil));
                if (min > 0) {
                    state.allocateBytes(min);
                    window -= min;
                }
                if (state.unallocatedBytes() > 0) {
                    activeStreams[i] = okHttpClientStream;
                    i++;
                }
            }
            length = i;
        }
        WriteStatus writeStatus = new WriteStatus();
        OkHttpClientStream[] activeStreams2 = this.transport.getActiveStreams();
        int length2 = activeStreams2.length;
        while (i < length2) {
            OutboundFlowState state2 = state(activeStreams2[i]);
            state2.writeBytes(state2.allocatedBytes(), writeStatus);
            state2.clearAllocatedBytes();
            i++;
        }
        if (writeStatus.hasWritten()) {
            flush();
        }
    }

    /* JADX INFO: Access modifiers changed from: package-private */
    /* loaded from: classes6.dex */
    public static final class WriteStatus {
        int numWrites;

        private WriteStatus() {
        }

        final void incrementNumWrites() {
            this.numWrites++;
        }

        final boolean hasWritten() {
            return this.numWrites > 0;
        }
    }

    /* JADX INFO: Access modifiers changed from: package-private */
    /* loaded from: classes6.dex */
    public final class OutboundFlowState {
        int allocatedBytes;
        boolean pendingBufferHasEndOfStream;
        final C15111ghZ pendingWriteBuffer;
        OkHttpClientStream stream;
        final int streamId;
        final OutboundFlowController this$0;
        int window;

        OutboundFlowState(OutboundFlowController outboundFlowController, int i, int i2) {
            this.this$0 = outboundFlowController;
            this.pendingBufferHasEndOfStream = false;
            this.streamId = i;
            this.window = i2;
            this.pendingWriteBuffer = new C15111ghZ();
        }

        OutboundFlowState(OutboundFlowController outboundFlowController, OkHttpClientStream okHttpClientStream, int i) {
            this(outboundFlowController, okHttpClientStream.id(), i);
            this.stream = okHttpClientStream;
        }

        final int unallocatedBytes() {
            return streamableBytes() - this.allocatedBytes;
        }

        final int incrementStreamWindow(int i) {
            if (i <= 0 || Integer.MAX_VALUE - i >= this.window) {
                int i2 = this.window + i;
                this.window = i2;
                return i2;
            }
            StringBuilder sb = new StringBuilder("Window size overflow for stream: ");
            sb.append(this.streamId);
            throw new IllegalArgumentException(sb.toString());
        }

        final int writableWindow() {
            return Math.min(this.window, this.this$0.connectionState.window());
        }

        final int writeBytes(int i, WriteStatus writeStatus) {
            int min = Math.min(i, writableWindow());
            int i2 = 0;
            while (hasPendingData() && min > 0) {
                if (min < this.pendingWriteBuffer.c) {
                    i2 += min;
                    write(this.pendingWriteBuffer, min, false);
                } else {
                    i2 += (int) this.pendingWriteBuffer.c;
                    C15111ghZ c15111ghZ = this.pendingWriteBuffer;
                    write(c15111ghZ, (int) c15111ghZ.c, this.pendingBufferHasEndOfStream);
                }
                writeStatus.incrementNumWrites();
                min = Math.min(i - i2, writableWindow());
            }
            return i2;
        }

        final void write(C15111ghZ c15111ghZ, int i, boolean z) {
            do {
                int min = Math.min(i, this.this$0.frameWriter.maxDataLength());
                int i2 = -min;
                this.this$0.connectionState.incrementStreamWindow(i2);
                incrementStreamWindow(i2);
                try {
                    this.this$0.frameWriter.data(c15111ghZ.c == ((long) min) && z, this.streamId, c15111ghZ, min);
                    this.stream.transportState().onSentBytes(min);
                    i -= min;
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            } while (i > 0);
        }

        final void enqueue(C15111ghZ c15111ghZ, int i, boolean z) {
            this.pendingWriteBuffer.write(c15111ghZ, i);
            this.pendingBufferHasEndOfStream |= z;
        }

        final boolean hasPendingData() {
            return this.pendingWriteBuffer.c > 0;
        }

        final int streamableBytes() {
            return Math.max(0, Math.min(this.window, (int) this.pendingWriteBuffer.c));
        }

        final int window() {
            return this.window;
        }

        final void clearAllocatedBytes() {
            this.allocatedBytes = 0;
        }

        final int allocatedBytes() {
            return this.allocatedBytes;
        }

        final void allocateBytes(int i) {
            this.allocatedBytes += i;
        }
    }
}