1 /*
2 * Copyright 2014 The Netty Project
3 *
4 * The Netty Project licenses this file to you under the Apache License,
5 * version 2.0 (the "License"); you may not use this file except in compliance
6 * with the License. You may obtain a copy of the License at:
7 *
8 * https://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13 * License for the specific language governing permissions and limitations
14 * under the License.
15 */
16 package io.netty.handler.codec.spdy;
17
18 import io.netty.buffer.ByteBuf;
19
20 /**
21 * Callback interface for {@link SpdyFrameDecoder}.
22 */
23 public interface SpdyFrameDecoderDelegate {
24
25 /**
26 * Called when a DATA frame is received.
27 */
28 void readDataFrame(int streamId, boolean last, ByteBuf data);
29
30 /**
31 * Called when a SYN_STREAM frame is received.
32 * The Name/Value Header Block is not included. See readHeaderBlock().
33 */
34 void readSynStreamFrame(
35 int streamId, int associatedToStreamId, byte priority, boolean last, boolean unidirectional);
36
37 /**
38 * Called when a SYN_REPLY frame is received.
39 * The Name/Value Header Block is not included. See readHeaderBlock().
40 */
41 void readSynReplyFrame(int streamId, boolean last);
42
43 /**
44 * Called when a RST_STREAM frame is received.
45 */
46 void readRstStreamFrame(int streamId, int statusCode);
47
48 /**
49 * Called when a SETTINGS frame is received.
50 * Settings are not included. See readSetting().
51 */
52 void readSettingsFrame(boolean clearPersisted);
53
54 /**
55 * Called when an individual setting within a SETTINGS frame is received.
56 */
57 void readSetting(int id, int value, boolean persistValue, boolean persisted);
58
59 /**
60 * Called when the entire SETTINGS frame has been received.
61 */
62 void readSettingsEnd();
63
64 /**
65 * Called when a PING frame is received.
66 */
67 void readPingFrame(int id);
68
69 /**
70 * Called when a GOAWAY frame is received.
71 */
72 void readGoAwayFrame(int lastGoodStreamId, int statusCode);
73
74 /**
75 * Called when a HEADERS frame is received.
76 * The Name/Value Header Block is not included. See readHeaderBlock().
77 */
78 void readHeadersFrame(int streamId, boolean last);
79
80 /**
81 * Called when a WINDOW_UPDATE frame is received.
82 */
83 void readWindowUpdateFrame(int streamId, int deltaWindowSize);
84
85 /**
86 * Called when the header block within a SYN_STREAM, SYN_REPLY, or HEADERS frame is received.
87 */
88 void readHeaderBlock(ByteBuf headerBlock);
89
90 /**
91 * Called when an entire header block has been received.
92 */
93 void readHeaderBlockEnd();
94
95 /**
96 * Called when an unrecoverable session error has occurred.
97 */
98 void readFrameError(String message);
99 }