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
17 #include <common/libs/device_config/device_config.h>
18 #include <gflags/gflags.h>
19 #include <android-base/logging.h>
20
21 #include "common/libs/fs/shared_fd.h"
22 #include "common/libs/utils/tee_logging.h"
23 #include "host/libs/config/logging.h"
24
25 DEFINE_int32(
26 server_fd, -1,
27 "File descriptor to an already created vsock server. Must be specified.");
28
main(int argc,char ** argv)29 int main(int argc, char** argv) {
30 cuttlefish::DefaultSubprocessLogging(argv);
31 google::ParseCommandLineFlags(&argc, &argv, true);
32
33 auto device_config = cuttlefish::DeviceConfig::Get();
34
35 CHECK(device_config) << "Could not open device config";
36
37 cuttlefish::SharedFD server_fd = cuttlefish::SharedFD::Dup(FLAGS_server_fd);
38
39 CHECK(server_fd->IsOpen()) << "Inheriting logcat server: "
40 << server_fd->StrError();
41
42 // Server loop
43 while (true) {
44 auto conn = cuttlefish::SharedFD::Accept(*server_fd);
45 LOG(DEBUG) << "Connection received on configuration server";
46
47 bool succeeded = device_config->SendRawData(conn);
48 if (succeeded) {
49 LOG(DEBUG) << "Successfully sent device configuration";
50 } else {
51 LOG(ERROR) << "Failed to send the device configuration: "
52 << conn->StrError();
53 }
54 }
55 }
56