59 lines
2.3 KiB
C++
59 lines
2.3 KiB
C++
/*
|
|
Copyright (c) 2013, Matthias Schiffer <mschiffer@universe-factory.net>
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions are met:
|
|
|
|
1. Redistributions of source code must retain the above copyright notice,
|
|
this list of conditions and the following disclaimer.
|
|
2. Redistributions in binary form must reproduce the above copyright notice,
|
|
this list of conditions and the following disclaimer in the documentation
|
|
and/or other materials provided with the distribution.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
|
|
#include "protocol.hpp"
|
|
#include "context.hpp"
|
|
|
|
#include <dlfcn.h>
|
|
|
|
|
|
namespace MMSS {
|
|
|
|
protocol_t::~protocol_t() {
|
|
::dlclose(handle);
|
|
}
|
|
|
|
std::shared_ptr<const protocol_t> protocol_t::load(context_t *mmss, const std::string &module) {
|
|
void *handle = ::dlopen(module.c_str(), RTLD_NOW);
|
|
if (!handle) {
|
|
mmss->logf(LOG_ERR, "unable to load protocol from `%s': %s", module.c_str(), dlerror());
|
|
return std::shared_ptr<const protocol_t>();
|
|
}
|
|
|
|
::dlerror();
|
|
const mmss_protocol_t *proto = reinterpret_cast<const mmss_protocol_t*>(::dlsym(handle, "mmss_protocol_info"));
|
|
if (!proto) {
|
|
mmss->logf(LOG_ERR, "unable to load protocol from `%s': %s", module.c_str(), dlerror());
|
|
::dlclose(handle);
|
|
return std::shared_ptr<const protocol_t>();
|
|
}
|
|
|
|
mmss->logf(LOG_INFO, "loaded protocol `%s' version %s", proto->get_name(), proto->get_version());
|
|
|
|
return std::shared_ptr<const protocol_t>(new protocol_t(handle, proto));
|
|
}
|
|
|
|
}
|