| // Copyright (c) 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. |
| |
| // Decodes the packet HandshakeFailureReason from the chromium histogram |
| // Net.QuicClientHelloRejectReasons |
| |
| #include <iostream> |
| |
| #include "absl/strings/numbers.h" |
| #include "quiche/quic/core/crypto/crypto_handshake.h" |
| #include "quiche/quic/core/crypto/crypto_utils.h" |
| #include "quiche/quic/platform/api/quic_flags.h" |
| #include "quiche/common/platform/api/quiche_command_line_flags.h" |
| #include "quiche/common/quiche_text_utils.h" |
| |
| using quic::CryptoUtils; |
| using quic::HandshakeFailureReason; |
| using quic::MAX_FAILURE_REASON; |
| |
| int main(int argc, char* argv[]) { |
| const char* usage = "Usage: quic_reject_reason_decoder <packed_reason>"; |
| std::vector<std::string> args = |
| quiche::QuicheParseCommandLineFlags(usage, argc, argv); |
| |
| if (args.size() != 1) { |
| std::cerr << usage << std::endl; |
| return 1; |
| } |
| |
| uint32_t packed_error = 0; |
| if (!absl::SimpleAtoi(args[0], &packed_error)) { |
| std::cerr << "Unable to parse: " << args[0] << "\n"; |
| return 2; |
| } |
| |
| for (int i = 1; i < MAX_FAILURE_REASON; ++i) { |
| if ((packed_error & (1 << (i - 1))) == 0) { |
| continue; |
| } |
| HandshakeFailureReason reason = static_cast<HandshakeFailureReason>(i); |
| std::cout << CryptoUtils::HandshakeFailureReasonToString(reason) << "\n"; |
| } |
| return 0; |
| } |