/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "socket.h"

#include <algorithm>
#include <cassert>
#include <cstdint>
#include <cstring>

#include "prinrval.h"
#include "prio.h"

namespace TlsSocket {

int32_t DummyPrSocket::Read(PRFileDesc* fd, void* data, int32_t len) {
  assert(data && len > 0);

  int32_t amount = std::min(len, static_cast<int32_t>(mLen));
  memcpy(data, mBuf, amount);

  mBuf += amount;
  mLen -= amount;

  return amount;
}

int32_t DummyPrSocket::Write(PRFileDesc* fd, const void* buf, int32_t length) {
  return length;
}

int32_t DummyPrSocket::Recv(PRFileDesc* fd, void* buf, int32_t buflen,
                            int32_t flags, PRIntervalTime to) {
  assert(flags == 0);
  return Read(fd, buf, buflen);
}

}  // namespace TlsSocket