Move stream implementation to its own file.

internal/platform/implementation/linux/bluetooth_classic_socket.cc

@@ -1,85 +0,0 @@
-// Copyright 2023 Google LLC
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     https://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#include <unistd.h>
-#include <array>
-#include <cerrno>
-#include <cstdint>
-
-#include "internal/platform/byte_array.h"
-#include "internal/platform/exception.h"
-#include "internal/platform/implementation/linux/bluetooth_classic_socket.h"
-
-namespace nearby {
-namespace linux {
-
-ExceptionOr<ByteArray> InputStream::Read(std::int64_t size) {
-  if (!fd_.has_value()) return Exception::kIo;
-
-  char *data = new char[size];
-  ssize_t ret = read(fd_->get(), data, size);
-  if (ret == 0) {
-    delete[] data;
-    return ExceptionOr(ByteArray());
-  } else if (ret < 0) {
-    delete[] data;
-    return Exception::kIo;
-  }
-
-  return ExceptionOr(ByteArray(data, size));
-}
-
-Exception InputStream::Close() {
-  if (!fd_.has_value()) return Exception{Exception::kIo};
-
-  auto ret = close(fd_->get()) < 0 ? Exception{Exception::kIo}
-                                   : Exception{Exception::kSuccess};
-  fd_.reset();
-  return ret;
-}
-
-Exception OutputStream::Write(const ByteArray &data) {
-  if (!fd_.has_value()) return Exception{Exception::kIo};
-
-  size_t written = 0;
-  while (written < data.size()) {
-    ssize_t ret = write(fd_->get(), data.data(), data.size());
-    if (ret < 1) {
-      return Exception{Exception::kIo};
-    }
-    written += ret;
-  }
-  return Exception{Exception::kSuccess};
-}
-
-Exception OutputStream::Flush() { return Exception{Exception::kSuccess}; }
-
-Exception OutputStream::Close() {
-  if (!fd_.has_value()) return Exception{Exception::kIo};
-
-  auto ret = close(fd_->get()) < 0 ? Exception{Exception::kIo}
-                                   : Exception{Exception::kSuccess};
-  fd_.reset();
-  return ret;
-}
-
-Exception BluetoothSocket::Close() {
-  input_stream_.Close();
-  output_stream_.Close();
-
-  return Exception{Exception::kSuccess};
-}
-
-}  // namespace linux
-}  // namespace nearby