139 lines
3.8 KiB
C++
139 lines
3.8 KiB
C++
//
|
|
// Copyright (C) 2021 The Android Open Source Project
|
|
//
|
|
// 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
|
|
//
|
|
// http://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 "wmediumd_controller.h"
|
|
|
|
#include <android-base/logging.h>
|
|
#include <sys/socket.h>
|
|
|
|
#include <cstdint>
|
|
#include <memory>
|
|
#include <optional>
|
|
#include <string>
|
|
|
|
#include "common/libs/fs/shared_buf.h"
|
|
|
|
#include "host/libs/wmediumd_controller/wmediumd_api_protocol.h"
|
|
|
|
namespace cuttlefish {
|
|
|
|
std::unique_ptr<WmediumdController> WmediumdController::New(
|
|
const std::string& serverSocketPath) {
|
|
std::unique_ptr<WmediumdController> result(new WmediumdController);
|
|
|
|
if (!result->Connect(serverSocketPath)) {
|
|
return nullptr;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
bool WmediumdController::Connect(const std::string& serverSocketPath) {
|
|
wmediumd_socket_ =
|
|
SharedFD::SocketLocalClient(serverSocketPath, false, SOCK_STREAM);
|
|
|
|
if (!wmediumd_socket_->IsOpen()) {
|
|
LOG(ERROR) << "Cannot connect wmediumd control socket " << serverSocketPath
|
|
<< ": " << wmediumd_socket_->StrError();
|
|
return false;
|
|
}
|
|
|
|
return SetControl(0);
|
|
}
|
|
|
|
bool WmediumdController::SetSnr(const std::string& node1,
|
|
const std::string& node2, uint8_t snr) {
|
|
return SendMessage(WmediumdMessageSetSnr(node1, node2, snr));
|
|
}
|
|
|
|
bool WmediumdController::SetControl(const uint32_t flags) {
|
|
return SendMessage(WmediumdMessageSetControl(flags));
|
|
}
|
|
|
|
bool WmediumdController::ReloadCurrentConfig(void) {
|
|
return SendMessage(WmediumdMessageReloadCurrentConfig());
|
|
}
|
|
|
|
bool WmediumdController::ReloadConfig(const std::string& configPath) {
|
|
return SendMessage(WmediumdMessageReloadConfig(configPath));
|
|
}
|
|
|
|
bool WmediumdController::StartPcap(const std::string& pcapPath) {
|
|
return SendMessage(WmediumdMessageStartPcap(pcapPath));
|
|
}
|
|
|
|
bool WmediumdController::StopPcap(void) {
|
|
return SendMessage(WmediumdMessageStopPcap());
|
|
}
|
|
|
|
std::optional<WmediumdMessageStationsList> WmediumdController::GetStations(
|
|
void) {
|
|
auto reply = SendMessageWithReply(WmediumdMessageGetStations());
|
|
|
|
if (!reply) {
|
|
return std::nullopt;
|
|
}
|
|
|
|
return WmediumdMessageStationsList::Parse(*reply);
|
|
}
|
|
|
|
bool WmediumdController::SendMessage(const WmediumdMessage& message) {
|
|
auto reply = SendMessageWithReply(message);
|
|
|
|
if (!reply) {
|
|
return false;
|
|
}
|
|
|
|
if (reply->Type() != WmediumdMessageType::kAck) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
std::optional<WmediumdMessageReply> WmediumdController::SendMessageWithReply(
|
|
const WmediumdMessage& message) {
|
|
auto sendResult = SendAll(wmediumd_socket_, message.Serialize());
|
|
|
|
if (!sendResult) {
|
|
LOG(ERROR) << "sendmessage failed: " << wmediumd_socket_->StrError();
|
|
return std::nullopt;
|
|
}
|
|
|
|
std::string recvHeader = RecvAll(wmediumd_socket_, sizeof(uint32_t) * 2);
|
|
|
|
if (recvHeader.size() != sizeof(uint32_t) * 2) {
|
|
LOG(ERROR)
|
|
<< "error: RecvAll failed while receiving result header from server";
|
|
return std::nullopt;
|
|
}
|
|
|
|
uint32_t type = *reinterpret_cast<const uint32_t*>(recvHeader.c_str());
|
|
uint32_t dataLen =
|
|
*reinterpret_cast<const uint32_t*>(recvHeader.c_str() + sizeof(uint32_t));
|
|
|
|
std::string recvData = RecvAll(wmediumd_socket_, dataLen);
|
|
|
|
if (recvData.size() != dataLen) {
|
|
LOG(ERROR)
|
|
<< "error: RecvAll failed while receiving result data from server";
|
|
return std::nullopt;
|
|
}
|
|
|
|
return WmediumdMessageReply(static_cast<WmediumdMessageType>(type), recvData);
|
|
}
|
|
|
|
} // namespace cuttlefish
|