/* * Copyright (C) 2016 Simon Fels * * This program is free software: you can redistribute it and/or modify it * under the terms of the GNU General Public License version 3, as published * by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranties of * MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR * PURPOSE. See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program. If not, see . * */ #include "anbox/qemu//at_parser.h" #include "anbox/logger.h" #include "anbox/utils.h" namespace anbox { namespace qemu { AtParser::AtParser() {} void AtParser::register_command(const std::string &command, CommandHandler handler) { handlers_.insert({command, handler}); } void AtParser::process_data(std::vector &data) { size_t bytes_processed = 0; for (size_t pos = 0; pos < data.size();) { const auto byte = data.at(pos); if (byte == '\n' || byte == '\r') { std::string command; command.insert( 0, reinterpret_cast(data.data()) + bytes_processed, pos - bytes_processed); bytes_processed += (pos - bytes_processed) + 1; processs_command(command); } pos++; } data.erase(data.begin(), data.begin() + bytes_processed); } void AtParser::processs_command(const std::string &command) { if (!utils::string_starts_with(command, "AT")) { WARNING("Invalid AT command: '%s'", command); return; } // Strip AT prefix from command auto real_command = command.substr(2, command.length() - 2); DEBUG("command: %s", real_command); CommandHandler handler = nullptr; for (const auto &iter : handlers_) { if (utils::string_starts_with(real_command, iter.first)) { handler = iter.second; break; } } if (!handler) { WARNING("No handler for command '%s' available", real_command); return; } handler(real_command); } } // namespace qemu } // namespace anbox