1 //
2 // Copyright (C) 2019 The Android Open Source Project
3 //
4 // Licensed under the Apache License, Version 2.0 (the "License");
5 // you may not use this file except in compliance with the License.
6 // You may obtain a copy of the License at
7 //
8 // http://www.apache.org/licenses/LICENSE-2.0
9 //
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an "AS IS" BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
15
16 #include "host/commands/run_cvd/launch/log_tee_creator.h"
17
18 namespace cuttlefish {
19
LogTeeCreator(const CuttlefishConfig::InstanceSpecific & instance)20 LogTeeCreator::LogTeeCreator(const CuttlefishConfig::InstanceSpecific& instance)
21 : instance_(instance) {}
22
CreateLogTee(Command & cmd,const std::string & process_name)23 Result<Command> LogTeeCreator::CreateLogTee(Command& cmd,
24 const std::string& process_name) {
25 auto name_with_ext = process_name + "_logs.fifo";
26 auto logs_path = instance_.PerInstanceInternalPath(name_with_ext.c_str());
27 auto logs = CF_EXPECT(SharedFD::Fifo(logs_path, 0666));
28
29 cmd.RedirectStdIO(Subprocess::StdIOChannel::kStdOut, logs);
30 cmd.RedirectStdIO(Subprocess::StdIOChannel::kStdErr, logs);
31
32 return Command(HostBinaryPath("log_tee"))
33 .AddParameter("--process_name=", process_name)
34 .AddParameter("--log_fd_in=", logs);
35 }
36
37 } // namespace cuttlefish
38