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input/udp - Add minor error handling to prevent bad input from crashing

This commit is contained in:
James Rowe 2020-03-03 23:46:05 -07:00
parent fc205a1bc5
commit 002d9508a0
1 changed files with 13 additions and 4 deletions
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17
src/input_common/udp/client.cpp
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@ -32,8 +32,16 @@ public:
SocketCallback callback) SocketCallback callback)
: callback(std::move(callback)), timer(io_service), : callback(std::move(callback)), timer(io_service),
socket(io_service, udp::endpoint(udp::v4(), 0)), client_id(client_id), socket(io_service, udp::endpoint(udp::v4(), 0)), client_id(client_id),
pad_index(pad_index), pad_index(pad_index) {
send_endpoint(udp::endpoint(boost::asio::ip::make_address_v4(host), port)) {} boost::system::error_code ec{};
auto ipv4 = boost::asio::ip::make_address_v4(host, ec);
if (ec.failed()) {
LOG_ERROR(Input, "Invalid IPv4 address \"{}\" provided to socket", host);
ipv4 = boost::asio::ip::address_v4{};
}
send_endpoint = {udp::endpoint(ipv4, port)};
}
void Stop() { void Stop() {
io_service.stop(); io_service.stop();
@ -85,17 +93,18 @@ private:
} }
void HandleSend(const boost::system::error_code& error) { void HandleSend(const boost::system::error_code& error) {
boost::system::error_code _ignored{};
// Send a request for getting port info for the pad // Send a request for getting port info for the pad
Request::PortInfo port_info{1, {pad_index, 0, 0, 0}}; Request::PortInfo port_info{1, {pad_index, 0, 0, 0}};
const auto port_message = Request::Create(port_info, client_id); const auto port_message = Request::Create(port_info, client_id);
std::memcpy(&send_buffer1, &port_message, PORT_INFO_SIZE); std::memcpy(&send_buffer1, &port_message, PORT_INFO_SIZE);
socket.send_to(boost::asio::buffer(send_buffer1), send_endpoint); socket.send_to(boost::asio::buffer(send_buffer1), send_endpoint, {}, _ignored);
// Send a request for getting pad data for the pad // Send a request for getting pad data for the pad
Request::PadData pad_data{Request::PadData::Flags::Id, pad_index, EMPTY_MAC_ADDRESS}; Request::PadData pad_data{Request::PadData::Flags::Id, pad_index, EMPTY_MAC_ADDRESS};
const auto pad_message = Request::Create(pad_data, client_id); const auto pad_message = Request::Create(pad_data, client_id);
std::memcpy(send_buffer2.data(), &pad_message, PAD_DATA_SIZE); std::memcpy(send_buffer2.data(), &pad_message, PAD_DATA_SIZE);
socket.send_to(boost::asio::buffer(send_buffer2), send_endpoint); socket.send_to(boost::asio::buffer(send_buffer2), send_endpoint, {}, _ignored);
StartSend(timer.expiry()); StartSend(timer.expiry());
} }