// Copyright (C) 2013 Internet Systems Consortium, Inc. ("ISC") // // Permission to use, copy, modify, and/or distribute this software for any // purpose with or without fee is hereby granted, provided that the above // copyright notice and this permission notice appear in all copies. // // THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH // REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY // AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, // INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM // LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE // OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR // PERFORMANCE OF THIS SOFTWARE. /// @file /// @brief Marker file callout library /// /// This is the source of a test library for the DHCP parser and configuration /// tests. /// /// To check that they libraries are loaded and unloaded correctly, the load /// and unload functions in this library maintain two marker files - the load /// marker file and the unload marker file. The functions append a single /// line to the file, creating the file if need be. In this way, the test code /// can determine whether the load/unload functions have been run and, if so, /// in what order. /// /// This file is the common library file for the tests. It will not compile /// by itself - it is included into each callout library which specifies the /// missing constant LIBRARY_NUMBER before the inclusion. #include #include "marker_file.h" #include extern "C" { /// @brief Append digit to marker file /// /// If the marker file does not exist, create it. Then append the single /// digit (given by the constant LIBRARY_NUMBER) defined earlier to it and /// close the file. /// /// @param name Name of the file to open /// /// @return 0 on success, non-zero on error. int appendDigit(const char* name) { // Open the file and check if successful. std::fstream file(name, std::fstream::out | std::fstream::app); if (!file.good()) { return (1); } // Add the library number to it and close. file << LIBRARY_NUMBER; file.close(); return (0); } // Framework functions int version() { return (BIND10_HOOKS_VERSION); } int load(isc::hooks::LibraryHandle&) { return (appendDigit(LOAD_MARKER_FILE)); } int unload() { return (appendDigit(UNLOAD_MARKER_FILE)); } };