| // Copyright 2017 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef VM_TOOLS_SYSLOG_FORWARDER_H_ |
| #define VM_TOOLS_SYSLOG_FORWARDER_H_ |
| |
| #include <memory> |
| |
| #include <base/files/scoped_file.h> |
| #include <base/macros.h> |
| #include <grpc++/grpc++.h> |
| |
| #include "host.grpc.pb.h" // NOLINT(build/include) |
| |
| namespace vm_tools { |
| namespace syslog { |
| |
| // Responsible for collecting log records from the VM, scrubbing them, |
| // and then forwarding them to the host syslog daemon. |
| class Forwarder final : public LogCollector::Service { |
| public: |
| explicit Forwarder(base::ScopedFD destination); |
| ~Forwarder() override = default; |
| |
| // vm_tools::LogCollector::Service overrides. |
| grpc::Status CollectKernelLogs(grpc::ServerContext* ctx, |
| const vm_tools::LogRequest* request, |
| vm_tools::EmptyMessage* response) override; |
| grpc::Status CollectUserLogs(grpc::ServerContext* ctx, |
| const vm_tools::LogRequest* request, |
| vm_tools::EmptyMessage* response) override; |
| |
| private: |
| // Common implementation for actually forwarding logs to the syslog daemon. |
| grpc::Status ForwardLogs(grpc::ServerContext* ctx, |
| const vm_tools::LogRequest* request, |
| bool is_kernel); |
| |
| base::ScopedFD destination_; |
| |
| DISALLOW_COPY_AND_ASSIGN(Forwarder); |
| }; |
| |
| } // namespace syslog |
| } // namespace vm_tools |
| |
| #endif // VM_TOOLS_SYSLOG_FORWARDER_H_ |