@Override public void write(ChannelHandlerContext ctx, int allowedBytes) { int queuedData = queue.readableBytes(); if (!endOfStream) { if (queuedData == 0) { // There's no need to write any data frames because there are only empty data frames in the queue // and it is not end of stream yet. Just complete their promises by getting the buffer corresponding // to 0 bytes and writing it to the channel (to preserve notification order). ChannelPromise writePromise = ctx.newPromise().addListener(this); ctx.write(queue.remove(0, writePromise), writePromise); return; } if (allowedBytes == 0) { return; } } // Determine how much data to write. int writableData = min(queuedData, allowedBytes); ChannelPromise writePromise = ctx.newPromise().addListener(this); ByteBuf toWrite = queue.remove(writableData, writePromise); dataSize = queue.readableBytes(); // Determine how much padding to write. int writablePadding = min(allowedBytes - writableData, padding); padding -= writablePadding; // Write the frame(s). frameWriter().writeData(ctx, stream.id(), toWrite, writablePadding, endOfStream && size() == 0, writePromise); }
@Override public void write(ChannelHandlerContext ctx, int allowedBytes) { int queuedData = queue.readableBytes(); if (!endOfStream) { if (queuedData == 0) { // There's no need to write any data frames because there are only empty data frames in the queue // and it is not end of stream yet. Just complete their promises by getting the buffer corresponding // to 0 bytes and writing it to the channel (to preserve notification order). ChannelPromise writePromise = ctx.newPromise().addListener(this); ctx.write(queue.remove(0, writePromise), writePromise); return; } if (allowedBytes == 0) { return; } } // Determine how much data to write. int writableData = min(queuedData, allowedBytes); ChannelPromise writePromise = ctx.newPromise().addListener(this); ByteBuf toWrite = queue.remove(writableData, writePromise); dataSize = queue.readableBytes(); // Determine how much padding to write. int writablePadding = min(allowedBytes - writableData, padding); padding -= writablePadding; // Write the frame(s). frameWriter().writeData(ctx, stream.id(), toWrite, writablePadding, endOfStream && size() == 0, writePromise); }
frameWriter().writeData(ctx, stream.id(), toWrite, writablePadding, endOfStream && size() == 0, writePromise);