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authorJosh Blum <josh@joshknows.com>2010-08-04 14:50:35 -0700
committerJosh Blum <josh@joshknows.com>2010-08-04 14:50:35 -0700
commit70abdef8f6c6d24a99caf8d3668f32094b159903 (patch)
tree00d55f296fe9873174b26d0166122deb3ae8386b /host/lib/load_modules.cpp
parentfc66ef454c1b79cceb2b161c669bcf6fdfe87ee7 (diff)
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uhd: moved utils cpp files into lib/utils directory
Diffstat (limited to 'host/lib/load_modules.cpp')
-rw-r--r--host/lib/load_modules.cpp146
1 files changed, 0 insertions, 146 deletions
diff --git a/host/lib/load_modules.cpp b/host/lib/load_modules.cpp
deleted file mode 100644
index dbb8d0695..000000000
--- a/host/lib/load_modules.cpp
+++ /dev/null
@@ -1,146 +0,0 @@
-//
-// Copyright 2010 Ettus Research LLC
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY 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 <http://www.gnu.org/licenses/>.
-//
-
-#include <uhd/utils/static.hpp>
-#include <boost/format.hpp>
-#include <boost/foreach.hpp>
-#include <boost/algorithm/string.hpp>
-#include <boost/filesystem.hpp>
-#include <boost/program_options.hpp>
-#include <iostream>
-#include <stdexcept>
-
-namespace po = boost::program_options;
-namespace fs = boost::filesystem;
-
-/***********************************************************************
- * Module Load Function
- **********************************************************************/
-#if defined(HAVE_DLFCN_H)
-#include <dlfcn.h>
-static const std::string env_path_sep = ":";
-
-static void load_module(const std::string &file_name){
- if (dlopen(file_name.c_str(), RTLD_LAZY) == NULL){
- throw std::runtime_error(str(
- boost::format("dlopen failed to load \"%s\"") % file_name
- ));
- }
-}
-
-#elif defined(HAVE_WINDOWS_H)
-#include <windows.h>
-static const std::string env_path_sep = ";";
-
-static void load_module(const std::string &file_name){
- if (LoadLibrary(file_name.c_str()) == NULL){
- throw std::runtime_error(str(
- boost::format("LoadLibrary failed to load \"%s\"") % file_name
- ));
- }
-}
-
-#else
-static const std::string env_path_sep = ":";
-
-static void load_module(const std::string &file_name){
- throw std::runtime_error(str(
- boost::format("Module loading not supported: Cannot load \"%s\"") % file_name
- ));
-}
-
-#endif
-
-/***********************************************************************
- * Load Modules
- **********************************************************************/
-/*!
- * Load all modules in a given path.
- * This will recurse into sub-directories.
- * Does not throw, prints to std error.
- * \param path the filesystem path
- */
-static void load_path(const fs::path &path){
- if (not fs::exists(path)){
- std::cerr << boost::format("Module path \"%s\" not found.") % path.file_string() << std::endl;
- return;
- }
-
- //try to load the files in this path
- if (fs::is_directory(path)){
- for(
- fs::directory_iterator dir_itr(path);
- dir_itr != fs::directory_iterator();
- ++dir_itr
- ){
- load_path(dir_itr->path());
- }
- return;
- }
-
- //its not a directory, try to load it
- try{
- load_module(path.file_string());
- }
- catch(const std::exception &err){
- std::cerr << boost::format("Error: %s") % err.what() << std::endl;
- }
-}
-
-//! The string constant for the module path environment variable
-static const std::string MODULE_PATH_KEY = "UHD_MODULE_PATH";
-
-/*!
- * Name mapper function for the environment variable parser.
- * Map environment variable names (that we use) to option names.
- * \param the variable name
- * \return the option name or blank string
- */
-static std::string name_mapper(const std::string &var_name){
- if (var_name == MODULE_PATH_KEY) return var_name;
- return "";
-}
-
-/*!
- * Load all the modules given by the module path enviroment variable.
- * The path variable may be several paths split by path separators.
- */
-UHD_STATIC_BLOCK(load_modules){
- //register the options
- std::string env_module_path;
- po::options_description desc("UHD Module Options");
- desc.add_options()
- (MODULE_PATH_KEY.c_str(), po::value<std::string>(&env_module_path)->default_value(""))
- ;
-
- //parse environment variables
- po::variables_map vm;
- po::store(po::parse_environment(desc, &name_mapper), vm);
- po::notify(vm);
-
- if (env_module_path == "") return;
- //std::cout << "env_module_path: " << env_module_path << std::endl;
-
- //split the path at the path separators
- std::vector<std::string> module_paths;
- boost::split(module_paths, env_module_path, boost::is_any_of(env_path_sep));
-
- //load modules in each path
- BOOST_FOREACH(const std::string &module_path, module_paths){
- load_path(fs::system_complete(fs::path(module_path)));
- }
-}