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#include "headers.hpp"
#include "plclass.hpp"
#include "lang.hpp"
#include "config.hpp"
#include "pathmix.hpp"
#include "dirmix.hpp"
#include "message.hpp"
#include "plugins.hpp"
#include <errno.h>
#include <dlfcn.h>
Plugin::Plugin(PluginManager *owner,
const FARString &strModuleName,
const std::string &settingsName,
const std::string &moduleID)
:
m_owner(owner),
m_strModuleName(strModuleName),
m_strSettingsName(settingsName),
m_strModuleID(moduleID)
{
strRootKey = Opt.strRegRoot;
strRootKey += L"/Plugins";
}
Plugin::~Plugin()
{
Lang.Close();
}
void *Plugin::GetModulePFN(const char *fn)
{
void *out = dlsym(m_hModule, fn);
if (!out)
fprintf(stderr, "Plugin '%ls' doesn't export '%s'\n", PointToName(m_strModuleName), fn);
return out;
}
bool Plugin::OpenModule()
{
if (m_hModule)
return true;
if (WorkFlags.Check(PIWF_DONTLOADAGAIN))
return false;
char saved_cwd_buf[MAX_PATH + 1]{};
char *saved_cwd = sdc_getcwd(saved_cwd_buf, MAX_PATH);
FARString strModulePath = m_strModuleName.Clone();
CutToSlash(strModulePath);
if (sdc_chdir(strModulePath.GetMB().c_str()) == -1 )
fprintf(stderr, "Error %d chdir for plugin '%ls'\n", errno, m_strModuleName.CPtr());
const std::string &mbPath = m_strModuleName.GetMB();
m_hModule = dlopen(mbPath.c_str(), RTLD_LOCAL|RTLD_LAZY);
if (m_hModule)
{
void (*pPluginModuleOpen)(const char *path);
GetModuleFN(pPluginModuleOpen, "PluginModuleOpen");
if (pPluginModuleOpen)
pPluginModuleOpen(mbPath.c_str());
}
else
{
std::wstring strerr;
const char *dle = dlerror();
if (dle) {
fprintf(stderr, "dlerror: %s\n", dle);
const char *colon = strchr(dle, ':');
MB2Wide(colon ? colon + 1 : dle, strerr);
}
// avoid recurring and even recursive error message
WorkFlags.Set(PIWF_DONTLOADAGAIN);
if (!Opt.LoadPlug.SilentLoadPlugin) //убрать в PluginSet
{
SetMessageHelp(L"ErrLoadPlugin module");
//|MSG_ERRORTYPE
Message(MSG_WARNING, 1, Msg::Error, strerr.c_str(), Msg::PlgLoadPluginError, m_strModuleName, Msg::Ok);
}
}
ErrnoSaver Err;
if (saved_cwd)
sdc_chdir(saved_cwd);
return (!!m_hModule);
}
void Plugin::CloseModule()
{
if (m_hModule)
{
dlclose(m_hModule);
m_hModule = nullptr;
}
}
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