mirror of
https://github.com/saymrwulf/uhd.git
synced 2026-05-15 21:01:26 +00:00
2a87970a9c
- read from environment variable paths - utility functions to get paths and search for images - modified load modules to call the utility functions - added private header constants.hpp to contain cmake variables of interest - modified version.cpp to use this constants file
109 lines
3.1 KiB
C++
109 lines
3.1 KiB
C++
//
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// Copyright 2010 Ettus Research LLC
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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#include <uhd/utils/static.hpp>
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#include <boost/format.hpp>
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#include <boost/foreach.hpp>
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#include <boost/filesystem.hpp>
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#include <iostream>
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#include <stdexcept>
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#include <string>
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#include <vector>
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namespace fs = boost::filesystem;
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/***********************************************************************
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* Module Load Function
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**********************************************************************/
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#if defined(HAVE_DLFCN_H)
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#include <dlfcn.h>
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static void load_module(const std::string &file_name){
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if (dlopen(file_name.c_str(), RTLD_LAZY) == NULL){
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throw std::runtime_error(str(
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boost::format("dlopen failed to load \"%s\"") % file_name
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));
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}
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}
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#elif defined(HAVE_WINDOWS_H)
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#include <windows.h>
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static void load_module(const std::string &file_name){
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if (LoadLibrary(file_name.c_str()) == NULL){
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throw std::runtime_error(str(
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boost::format("LoadLibrary failed to load \"%s\"") % file_name
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));
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}
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}
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#else
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static void load_module(const std::string &file_name){
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throw std::runtime_error(str(
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boost::format("Module loading not supported: Cannot load \"%s\"") % file_name
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));
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}
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#endif
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/***********************************************************************
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* Load Modules
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**********************************************************************/
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/*!
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* Load all modules in a given path.
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* This will recurse into sub-directories.
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* Does not throw, prints to std error.
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* \param path the filesystem path
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*/
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static void load_module_path(const fs::path &path){
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if (not fs::exists(path)){
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//std::cerr << boost::format("Module path \"%s\" not found.") % path.file_string() << std::endl;
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return;
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}
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//try to load the files in this path
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if (fs::is_directory(path)){
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for(
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fs::directory_iterator dir_itr(path);
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dir_itr != fs::directory_iterator();
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++dir_itr
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){
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load_module_path(dir_itr->path());
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}
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return;
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}
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//its not a directory, try to load it
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try{
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load_module(path.file_string());
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}
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catch(const std::exception &err){
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std::cerr << boost::format("Error: %s") % err.what() << std::endl;
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}
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}
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std::vector<fs::path> get_module_paths(void); //defined in paths.cpp
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/*!
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* Load all the modules given in the module paths.
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*/
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UHD_STATIC_BLOCK(load_modules){
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BOOST_FOREACH(const fs::path &path, get_module_paths()){
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load_module_path(path);
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}
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}
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