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//
// Copyright 2011 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/msg.hpp>
#include <uhd/utils/log.hpp>
#include <uhd/utils/static.hpp>
#include <boost/thread/mutex.hpp>
#include <boost/foreach.hpp>
#include <boost/tokenizer.hpp>
#include <sstream>
#include <iostream>
/***********************************************************************
* Helper functions
**********************************************************************/
#define tokenizer(inp, sep) \
boost::tokenizer<boost::char_separator<char> > \
(inp, boost::char_separator<char>(sep))
static void msg_to_cout(const std::string &msg){
std::stringstream ss;
BOOST_FOREACH(const std::string &line, tokenizer(msg, "\n")){
ss << "-- " << line << std::endl;
}
std::cout << ss.str();
}
static void msg_to_cerr(const std::string &title, const std::string &msg){
std::stringstream ss;
ss << std::endl << title << ":" << std::endl;
BOOST_FOREACH(const std::string &line, tokenizer(msg, "\n")){
ss << " " << line << std::endl;
}
std::cerr << ss.str();
}
/***********************************************************************
* Global settings for the messenger
**********************************************************************/
static boost::mutex msg_mutex;
static std::ostringstream msg_ss;
static uhd::msg::type_t msg_type;
static uhd::msg::handler_t msg_handler;
/***********************************************************************
* Setup the message handlers
**********************************************************************/
void uhd::msg::register_handler(const handler_t &handler){
msg_mutex.lock();
msg_handler = handler;
msg_mutex.unlock();
}
static void default_msg_handler(uhd::msg::type_t type, const std::string &msg){
switch(type){
case uhd::msg::status:
msg_to_cout(msg);
break;
case uhd::msg::warning:
msg_to_cerr("UHD Warning", msg);
break;
case uhd::msg::error:
msg_to_cerr("UHD Error", msg);
break;
}
}
UHD_STATIC_BLOCK(msg_register_default_handler){
uhd::msg::register_handler(&default_msg_handler);
}
/***********************************************************************
* The message object implementation
**********************************************************************/
uhd::msg::_msg::_msg(const type_t type){
msg_mutex.lock();
msg_type = type;
}
uhd::msg::_msg::~_msg(void){
msg_handler(msg_type, msg_ss.str());
UHD_LOG << "Message " << char(msg_type) << std::endl << msg_ss.str();
msg_ss.str(""); //clear for next call
msg_mutex.unlock();
}
std::ostream & uhd::msg::_msg::get(void){
return msg_ss;
}
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