Project import generated by Copybara.
PiperOrigin-RevId: 224614037
Change-Id: I14e53449d4aeccb328f86828c76b5f09dea0d4b8
diff --git a/http2/http2_constants.cc b/http2/http2_constants.cc
new file mode 100644
index 0000000..d4d59a5
--- /dev/null
+++ b/http2/http2_constants.cc
@@ -0,0 +1,150 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "net/third_party/quiche/src/http2/http2_constants.h"
+
+#include "base/logging.h"
+#include "net/third_party/quiche/src/http2/platform/api/http2_string_piece.h"
+#include "net/third_party/quiche/src/http2/platform/api/http2_string_utils.h"
+
+namespace http2 {
+
+Http2String Http2FrameTypeToString(Http2FrameType v) {
+ switch (v) {
+ case Http2FrameType::DATA:
+ return "DATA";
+ case Http2FrameType::HEADERS:
+ return "HEADERS";
+ case Http2FrameType::PRIORITY:
+ return "PRIORITY";
+ case Http2FrameType::RST_STREAM:
+ return "RST_STREAM";
+ case Http2FrameType::SETTINGS:
+ return "SETTINGS";
+ case Http2FrameType::PUSH_PROMISE:
+ return "PUSH_PROMISE";
+ case Http2FrameType::PING:
+ return "PING";
+ case Http2FrameType::GOAWAY:
+ return "GOAWAY";
+ case Http2FrameType::WINDOW_UPDATE:
+ return "WINDOW_UPDATE";
+ case Http2FrameType::CONTINUATION:
+ return "CONTINUATION";
+ case Http2FrameType::ALTSVC:
+ return "ALTSVC";
+ }
+ return Http2StrCat("UnknownFrameType(", static_cast<int>(v), ")");
+}
+
+Http2String Http2FrameTypeToString(uint8_t v) {
+ return Http2FrameTypeToString(static_cast<Http2FrameType>(v));
+}
+
+Http2String Http2FrameFlagsToString(Http2FrameType type, uint8_t flags) {
+ Http2String s;
+ // Closure to append flag name |v| to the Http2String |s|,
+ // and to clear |bit| from |flags|.
+ auto append_and_clear = [&s, &flags](Http2StringPiece v, uint8_t bit) {
+ if (!s.empty()) {
+ s.push_back('|');
+ }
+ Http2StrAppend(&s, v);
+ flags ^= bit;
+ };
+ if (flags & 0x01) {
+ if (type == Http2FrameType::DATA || type == Http2FrameType::HEADERS) {
+ append_and_clear("END_STREAM", Http2FrameFlag::END_STREAM);
+ } else if (type == Http2FrameType::SETTINGS ||
+ type == Http2FrameType::PING) {
+ append_and_clear("ACK", Http2FrameFlag::ACK);
+ }
+ }
+ if (flags & 0x04) {
+ if (type == Http2FrameType::HEADERS ||
+ type == Http2FrameType::PUSH_PROMISE ||
+ type == Http2FrameType::CONTINUATION) {
+ append_and_clear("END_HEADERS", Http2FrameFlag::END_HEADERS);
+ }
+ }
+ if (flags & 0x08) {
+ if (type == Http2FrameType::DATA || type == Http2FrameType::HEADERS ||
+ type == Http2FrameType::PUSH_PROMISE) {
+ append_and_clear("PADDED", Http2FrameFlag::PADDED);
+ }
+ }
+ if (flags & 0x20) {
+ if (type == Http2FrameType::HEADERS) {
+ append_and_clear("PRIORITY", Http2FrameFlag::PRIORITY);
+ }
+ }
+ if (flags != 0) {
+ append_and_clear(Http2StringPrintf("0x%02x", flags), flags);
+ }
+ DCHECK_EQ(0, flags);
+ return s;
+}
+Http2String Http2FrameFlagsToString(uint8_t type, uint8_t flags) {
+ return Http2FrameFlagsToString(static_cast<Http2FrameType>(type), flags);
+}
+
+Http2String Http2ErrorCodeToString(uint32_t v) {
+ switch (v) {
+ case 0x0:
+ return "NO_ERROR";
+ case 0x1:
+ return "PROTOCOL_ERROR";
+ case 0x2:
+ return "INTERNAL_ERROR";
+ case 0x3:
+ return "FLOW_CONTROL_ERROR";
+ case 0x4:
+ return "SETTINGS_TIMEOUT";
+ case 0x5:
+ return "STREAM_CLOSED";
+ case 0x6:
+ return "FRAME_SIZE_ERROR";
+ case 0x7:
+ return "REFUSED_STREAM";
+ case 0x8:
+ return "CANCEL";
+ case 0x9:
+ return "COMPRESSION_ERROR";
+ case 0xa:
+ return "CONNECT_ERROR";
+ case 0xb:
+ return "ENHANCE_YOUR_CALM";
+ case 0xc:
+ return "INADEQUATE_SECURITY";
+ case 0xd:
+ return "HTTP_1_1_REQUIRED";
+ }
+ return Http2StrCat("UnknownErrorCode(0x", Http2Hex(v), ")");
+}
+Http2String Http2ErrorCodeToString(Http2ErrorCode v) {
+ return Http2ErrorCodeToString(static_cast<uint32_t>(v));
+}
+
+Http2String Http2SettingsParameterToString(uint32_t v) {
+ switch (v) {
+ case 0x1:
+ return "HEADER_TABLE_SIZE";
+ case 0x2:
+ return "ENABLE_PUSH";
+ case 0x3:
+ return "MAX_CONCURRENT_STREAMS";
+ case 0x4:
+ return "INITIAL_WINDOW_SIZE";
+ case 0x5:
+ return "MAX_FRAME_SIZE";
+ case 0x6:
+ return "MAX_HEADER_LIST_SIZE";
+ }
+ return Http2StrCat("UnknownSettingsParameter(0x", Http2Hex(v), ")");
+}
+Http2String Http2SettingsParameterToString(Http2SettingsParameter v) {
+ return Http2SettingsParameterToString(static_cast<uint32_t>(v));
+}
+
+} // namespace http2
