void start_request(const void* data, size_t len)
{
tcp::endpoint ep(boost::asio::ip::address_v4::from_string(address_), port_);
socket_.open(boost::asio::ip::tcp::v4());
do_timeout_check(connect_timeout_);
socket_.async_connect(ep, [this,data,len](const boost::system::error_code& ec){
cancel_timer();
if(!ec)
{
// The connection was successful. Send the request.
connected_ = true;
do_timeout_check(request_timeout_);
boost::asio::async_write(socket_,
boost::asio::buffer(data, len),
[this](const boost::system::error_code& ec, size_t) {
handle_write_request(ec);
});
}
else {
handle_error(ec);
}
});
if(!service_running_)
{
service_running_ = true;
boost::system::error_code ignored_ec;
io_service_.reset();
io_service_.run(ignored_ec);
this->socket_.close(ignored_ec);
service_running_ = false;
}
}
// MARK: Dispatcher
uint16_t att_handle_request(att_connection_t * att_connection,
uint8_t * request_buffer,
uint16_t request_len,
uint8_t * response_buffer){
uint16_t response_len = 0;
uint16_t response_buffer_size = att_connection->mtu;
switch (request_buffer[0]){
case ATT_EXCHANGE_MTU_REQUEST:
response_len = handle_exchange_mtu_request(att_connection, request_buffer, request_len, response_buffer);
break;
case ATT_FIND_INFORMATION_REQUEST:
response_len = handle_find_information_request(att_connection, request_buffer, request_len,response_buffer, response_buffer_size);
break;
case ATT_FIND_BY_TYPE_VALUE_REQUEST:
response_len = handle_find_by_type_value_request(att_connection, request_buffer, request_len, response_buffer, response_buffer_size);
break;
case ATT_READ_BY_TYPE_REQUEST:
response_len = handle_read_by_type_request(att_connection, request_buffer, request_len, response_buffer, response_buffer_size);
break;
case ATT_READ_REQUEST:
response_len = handle_read_request(att_connection, request_buffer, request_len, response_buffer, response_buffer_size);
break;
case ATT_READ_BLOB_REQUEST:
response_len = handle_read_blob_request(att_connection, request_buffer, request_len, response_buffer, response_buffer_size);
break;
case ATT_READ_MULTIPLE_REQUEST:
response_len = handle_read_multiple_request(att_connection, request_buffer, request_len, response_buffer, response_buffer_size);
break;
case ATT_READ_BY_GROUP_TYPE_REQUEST:
response_len = handle_read_by_group_type_request(att_connection, request_buffer, request_len, response_buffer, response_buffer_size);
break;
case ATT_WRITE_REQUEST:
response_len = handle_write_request(att_connection, request_buffer, request_len, response_buffer, response_buffer_size);
break;
case ATT_PREPARE_WRITE_REQUEST:
response_len = handle_prepare_write_request(att_connection, request_buffer, request_len, response_buffer, response_buffer_size);
break;
case ATT_EXECUTE_WRITE_REQUEST:
response_len = handle_execute_write_request(att_connection, request_buffer, request_len, response_buffer, response_buffer_size);
break;
case ATT_WRITE_COMMAND:
handle_write_command(att_connection, request_buffer, request_len, response_buffer, response_buffer_size);
break;
case ATT_SIGNED_WRITE_COMMAND:
log_info("handle_signed_write_command preprocessed by att_server.c");
break;
default:
log_info("Unhandled ATT Command: %02X, DATA: ", request_buffer[0]);
hexdump(&request_buffer[9], request_len-9);
break;
}
return response_len;
}