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// Copyright (c) 2011 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 <queue>
#include <string>
#include "base/memory/scoped_ptr.h"
#include "base/stringprintf.h"
#include "crypto/symmetric_key.h"
#include "net/base/io_buffer.h"
#include "remoting/protocol/secure_p2p_socket.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace remoting {
namespace protocol {
namespace {
class TestSocket : public net::Socket {
public:
TestSocket() {}
// Socket implementation.
virtual int Read(net::IOBuffer* buf, int buf_len,
net::CompletionCallback* callback) {
std::string buffer = buffer_.front();
buffer_.pop();
memcpy(buf->data(), buffer.data(), buffer.length());
int size = buffer.length();
return size;
}
virtual int Write(net::IOBuffer* buf, int buf_len,
net::CompletionCallback* callback) {
buffer_.push(std::string(buf->data(), buf_len));
return buf_len;
}
virtual bool SetReceiveBufferSize(int32 size) {
return true;
}
virtual bool SetSendBufferSize(int32 size) {
return true;
}
std::string GetFrontBuffer() const {
return buffer_.front();
}
void PushBuffer(std::string buffer) {
buffer_.push(buffer);
}
private:
std::queue<std::string> buffer_;
DISALLOW_COPY_AND_ASSIGN(TestSocket);
};
} // namespace
// AES-CTR is only implemented with NSS.
#if defined(USE_NSS)
TEST(SecureP2PSocketTest, WriteAndRead) {
TestSocket* test_socket = new TestSocket();
SecureP2PSocket secure_socket(test_socket, "1234567890123456");
const std::string kWritePattern = "Hello world! This is a nice day.";
scoped_refptr<net::IOBuffer> write_buf =
new net::StringIOBuffer(kWritePattern);
scoped_refptr<net::IOBuffer> read_buf = new net::IOBufferWithSize(2048);
for (int i = 0; i < 5; ++i) {
size_t written = secure_socket.Write(write_buf,
kWritePattern.length(), NULL);
EXPECT_EQ(kWritePattern.length(), written);
EXPECT_EQ(kWritePattern.length() + 44,
test_socket->GetFrontBuffer().length());
std::string hex_packet;
for (size_t j = 0; j < test_socket->GetFrontBuffer().length(); ++j) {
base::StringAppendF(&hex_packet, "%02x",
(uint8)test_socket->GetFrontBuffer()[j]);
}
LOG(INFO) << hex_packet;
size_t read = secure_socket.Read(read_buf, 2048, NULL);
EXPECT_EQ(kWritePattern.length(), read);
EXPECT_EQ(0, memcmp(kWritePattern.data(), read_buf->data(),
kWritePattern.length()));
}
}
TEST(SecureP2PSocketTest, ReadRetry) {
TestSocket* test_socket = new TestSocket();
SecureP2PSocket secure_socket(test_socket, "1234567890123456");
const std::string kWritePattern = "Hello world! This is a nice day.";
scoped_refptr<net::IOBuffer> write_buf =
new net::StringIOBuffer(kWritePattern);
scoped_refptr<net::IOBuffer> read_buf = new net::IOBufferWithSize(2048);
// Push some garbage to the socket.
test_socket->PushBuffer("0");
test_socket->PushBuffer("00");
test_socket->PushBuffer("0000");
test_socket->PushBuffer("00000000");
test_socket->PushBuffer("0000000000000000");
test_socket->PushBuffer("00000000000000000000000000000000");
// Then write some real stuff.
size_t written = secure_socket.Write(write_buf,
kWritePattern.length(), NULL);
EXPECT_EQ(kWritePattern.length(), written);
size_t read = secure_socket.Read(read_buf, 2048, NULL);
EXPECT_EQ(kWritePattern.length(), read);
EXPECT_EQ(0, memcmp(kWritePattern.data(), read_buf->data(),
kWritePattern.length()));
}
#endif
} // namespace protocol
} // namespace remoting
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