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#include <boost/filesystem.hpp>
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#include "drizzled/plugin.h"
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#include "drizzled/definitions.h"
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#include "drizzled/error.h"
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#include "drizzled/errmsg_print.h"
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#include "drizzled/module/library.h"
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#include "drizzled/plugin/library.h"
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using namespace std;
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namespace fs=boost::filesystem;
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module::Library::Library(const std::string &name_arg,
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plugin::Library::Library(const std::string &name_arg,
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const Manifest *manifest_arg)
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: name(name_arg), handle(handle_arg), manifest(manifest_arg)
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module::Library::~Library()
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plugin::Library::~Library()
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* @TODO: This breaks valgrind at the moment.
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const fs::path module::Library::getLibraryPath(const string &plugin_name)
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string plugin_lib_name("lib");
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plugin_lib_name.append(plugin_name);
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plugin_lib_name.append("_plugin");
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#if defined(TARGET_OS_OSX)
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plugin_lib_name.append(".dylib");
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plugin_lib_name.append(".so");
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/* Compile dll path */
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return plugin_dir / plugin_lib_name;
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module::Library *module::Library::loadLibrary(const string &plugin_name, bool builtin)
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plugin::Library *plugin::Library::loadLibrary(const string &plugin_name)
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Ensure that the dll doesn't have a path.
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size_t found= plugin_name.find(FN_LIBCHAR);
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if (found != string::npos)
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errmsg_printf(error::ERROR, "%s",ER(ER_PLUGIN_NO_PATHS));
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errmsg_printf(ERRMSG_LVL_ERROR, "%s",ER(ER_PLUGIN_NO_PATHS));
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void *dl_handle= NULL;
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dlpath.assign("<builtin>");
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dl_handle= dlopen(NULL, RTLD_NOW|RTLD_LOCAL);
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if (dl_handle == NULL)
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const char *errmsg= dlerror();
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errmsg_printf(error::ERROR, ER(ER_CANT_OPEN_LIBRARY),
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dlpath.c_str(), errno, errmsg);
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/* Compile dll path */
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dlpath.reserve(FN_REFLEN);
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dlpath.append(opt_plugin_dir);
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dlpath.append(plugin_name);
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dlpath.append("_plugin");
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#if defined(TARGET_OS_OSX)
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dlpath.append(".dylib");
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/* Open new dll handle */
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dlpath.assign(Library::getLibraryPath(plugin_name).file_string());
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dl_handle= dlopen(dlpath.c_str(), RTLD_NOW|RTLD_GLOBAL);
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if (dl_handle == NULL)
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const char *errmsg= dlerror();
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uint32_t dlpathlen= dlpath.length();
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if (not dlpath.compare(0, dlpathlen, errmsg))
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{ // if errmsg starts from dlpath, trim this prefix.
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if (*errmsg == ':') errmsg++;
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if (*errmsg == ' ') errmsg++;
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errmsg_printf(error::ERROR, ER(ER_CANT_OPEN_LIBRARY),
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dlpath.c_str(), errno, errmsg);
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// This, in theory, should cause dlerror() to deallocate the error
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// message. Found this via Google'ing :)
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void *handle= dlopen(dlpath.c_str(), RTLD_NOW|RTLD_GLOBAL);
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const char *errmsg= dlerror();
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uint32_t dlpathlen= dlpath.length();
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if (!dlpath.compare(0, dlpathlen, errmsg))
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{ // if errmsg starts from dlpath, trim this prefix.
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if (*errmsg == ':') errmsg++;
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if (*errmsg == ' ') errmsg++;
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errmsg_printf(ERRMSG_LVL_ERROR, ER(ER_CANT_OPEN_LIBRARY),
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dlpath.c_str(), errno, errmsg);
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// This is, in theory, should cause dlerror() to deallocate the error
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// message. Found this via Google'ing :)
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string plugin_decl_sym("_drizzled_");
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plugin_decl_sym.append(plugin_name);
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plugin_decl_sym.append("_plugin_");
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/* Find plugin declarations */
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void *sym= dlsym(dl_handle, plugin_decl_sym.c_str());
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void *sym= dlsym(handle, plugin_decl_sym.c_str());
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const char* errmsg= dlerror();
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errmsg_printf(error::ERROR, errmsg);
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errmsg_printf(error::ERROR, ER(ER_CANT_FIND_DL_ENTRY),
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errmsg_printf(ERRMSG_LVL_ERROR, errmsg);
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errmsg_printf(ERRMSG_LVL_ERROR, ER(ER_CANT_FIND_DL_ENTRY),
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plugin_decl_sym.c_str(), dlpath.c_str());
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const Manifest *module_manifest= static_cast<module::Manifest *>(sym);
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if (module_manifest->drizzle_version != DRIZZLE_VERSION_ID)
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const Manifest *manifest= static_cast<plugin::Manifest *>(sym);
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if (manifest->drizzle_version != DRIZZLE_VERSION_ID)
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errmsg_printf(error::ERROR,
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errmsg_printf(ERRMSG_LVL_ERROR,
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_("Plugin module %s was compiled for version %" PRIu64 ", "
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"which does not match the current running version of "
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"Drizzle: %" PRIu64"."),
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dlpath.c_str(), module_manifest->drizzle_version,
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static_cast<uint64_t>(DRIZZLE_VERSION_ID));
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dlpath.c_str(), manifest->drizzle_version,
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return new (nothrow) module::Library(plugin_name, dl_handle, module_manifest);
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return new (nothrow) plugin::Library(plugin_name, handle, manifest);
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} /* namespace drizzled */