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// Copyright (C) 2014-2015 Bayerische Motoren Werke Aktiengesellschaft (BMW AG)
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#ifdef WIN32
#include <Windows.h>
#include <iostream>
#else
#include <dlfcn.h>
#endif
#include <sys/stat.h>
#include <vsomeip/defines.hpp>
#include <vsomeip/logger.hpp>
#include "../include/byteorder.hpp"
#include "../include/utility.hpp"
namespace vsomeip {
uint32_t utility::get_message_size(const byte_t *_data, uint32_t _size) {
uint32_t its_size(0);
if (VSOMEIP_SOMEIP_HEADER_SIZE <= _size) {
its_size = VSOMEIP_SOMEIP_HEADER_SIZE
+ VSOMEIP_BYTES_TO_LONG(_data[4], _data[5], _data[6], _data[7]);
}
return (its_size);
}
uint32_t utility::get_payload_size(const byte_t *_data, uint32_t _size) {
uint32_t its_size(0);
if (VSOMEIP_SOMEIP_HEADER_SIZE <= _size) {
its_size = VSOMEIP_BYTES_TO_LONG(_data[4], _data[5], _data[6], _data[7])
- VSOMEIP_SOMEIP_HEADER_SIZE;
}
return (its_size);
}
void * utility::load_library(const std::string &_path,
const std::string &_symbol) {
void * its_symbol = 0;
#ifdef WIN32
std::string path = _path.substr(0, _path.length() - 5).substr(3) + ".dll";
HINSTANCE hDLL = LoadLibrary(path.c_str());
if (hDLL != NULL) {
//loadedLibraries_.insert(itsLibrary);
std::cout << "Loading interface library \"" << path << "\" succeeded." << std::endl;
typedef UINT(CALLBACK* LPFNDLLFUNC1)(DWORD, UINT);
LPFNDLLFUNC1 lpfnDllFunc1 = (LPFNDLLFUNC1)GetProcAddress(hDLL, _symbol.c_str());
if (!lpfnDllFunc1)
{
FreeLibrary(hDLL);
std::cerr << "Loading symbol \"" << _symbol << "\" failed (" << GetLastError() << ")" << std::endl;
}
else
{
its_symbol = lpfnDllFunc1;
}
}
else {
std::cerr << "Loading interface library \"" << path << "\" failed (" << GetLastError() << ")" << std::endl;
}
#else
void *handle = dlopen(_path.c_str(), RTLD_LAZY | RTLD_GLOBAL);
if (0 != handle) {
its_symbol = dlsym(handle, _symbol.c_str());
} else {
VSOMEIP_ERROR << "Loading failed: (" << dlerror() << ")";
}
#endif
return (its_symbol);
}
bool utility::exists(const std::string &_path) {
struct stat its_stat;
return (stat(_path.c_str(), &its_stat) == 0);
}
} // namespace vsomeip
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