First version of a QUIC SendAlgorithmSimulator which is designed to

net/quic/test_tools/quic_test_utils.cc

 // Copyright (c) 2012 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/quic/test_tools/quic_test_utils.h"
 
+#include "base/sha1.h"
 #include "base/stl_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "net/quic/crypto/crypto_framer.h"
 #include "net/quic/crypto/crypto_handshake.h"
 #include "net/quic/crypto/crypto_utils.h"
 #include "net/quic/crypto/null_encrypter.h"
 #include "net/quic/crypto/quic_decrypter.h"
 #include "net/quic/crypto/quic_encrypter.h"
 #include "net/quic/quic_framer.h"
 #include "net/quic/quic_packet_creator.h"
@@ skipping 58 matching lines @@
     const size_t frame_size = framer->GetSerializedFrameLength(
         frames[i], max_plaintext_size - packet_size, first_frame, last_frame,
         header.is_in_fec_group,
         header.public_header.sequence_number_length);
     DCHECK(frame_size);
     packet_size += frame_size;
   }
   return framer->BuildDataPacket(header, frames, packet_size);
 }
 
+uint64 SimpleRandom::RandUint64() {
+  unsigned char hash[base::kSHA1Length];
+  base::SHA1HashBytes(reinterpret_cast<unsigned char*>(&seed_), sizeof(seed_),
+                      hash);
+  memcpy(&seed_, hash, sizeof(seed_));
+  return seed_;
+}
+
 MockFramerVisitor::MockFramerVisitor() {
   // By default, we want to accept packets.
   ON_CALL(*this, OnProtocolVersionMismatch(_))
       .WillByDefault(testing::Return(false));
 
   // By default, we want to accept packets.
   ON_CALL(*this, OnUnauthenticatedHeader(_))
       .WillByDefault(testing::Return(true));
 
   ON_CALL(*this, OnUnauthenticatedPublicHeader(_))
@@ skipping 487 matching lines @@
 }
 
 QuicVersionVector SupportedVersions(QuicVersion version) {
   QuicVersionVector versions;
   versions.push_back(version);
   return versions;
 }
 
 }  // namespace test
 }  // namespace net