ob_plugin_libmain.c

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/*
 * Copyright (c) 2025 OceanBase.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include <unistd.h>
#include <stdio.h>
#include "oceanbase/ob_plugin.h"
 
#ifdef __linux__
#include <sys/utsname.h>
#endif
 
#ifdef __cplusplus
extern "C" {
#endif
 
#ifdef LD_LIBRARY_PATH
const char __plugin_service_interp[] __attribute__((section(".interp"))) = LD_LIBRARY_PATH;
#endif
 
void __print_version(ObPluginVersion version)
{
  printf("%ld.%ld.%ld",
         version / OBP_VERSION_FIELD_NUMBER / OBP_VERSION_FIELD_NUMBER,
         version / OBP_VERSION_FIELD_NUMBER % OBP_VERSION_FIELD_NUMBER,
         version % OBP_VERSION_FIELD_NUMBER);
}
 
void __print_compiler_info()
{
  const char *compiled_by = "COMPILED BY: ";
 
#ifdef __clang__
  printf("%sclang %s\n", compiled_by, __clang__version__);
#elif defined(__GNUC__)
  printf("%sGCC %s\n", compiled_by, __VERSION__);
#else
  printf("Unknown compiler\n");
#endif
}
 
void __print_os_info()
{
#ifdef __linux__
  struct utsname uname_info;
  if (0 == uname(&uname_info)) {
    printf("COMPILED ON: %s %s %s %s\n",
           uname_info.sysname, uname_info.release, uname_info.version, uname_info.machine);
  }
#endif
}
 
void _ob_plugin_lib_main()
{
  extern const char *OBP_DYNAMIC_PLUGIN_NAME_VAR;
  extern const char *OBP_DYNAMIC_PLUGIN_BUILD_REVISION_VAR;
  extern const char *OBP_DYNAMIC_PLUGIN_BUILD_BRANCH_VAR;
  extern const char *OBP_DYNAMIC_PLUGIN_BUILD_DATE_VAR;
  extern const char *OBP_DYNAMIC_PLUGIN_BUILD_TIME_VAR;
  extern ObPlugin    OBP_DYNAMIC_PLUGIN_PLUGIN_VAR;
 
  ObPlugin *plugin = &OBP_DYNAMIC_PLUGIN_PLUGIN_VAR;
 
  printf("OceanBase Plugin Library: %s\n", OBP_DYNAMIC_PLUGIN_NAME_VAR);
  __print_compiler_info();
  __print_os_info();
  printf("\n");
  printf("AUTHOR: %s\n", plugin->author);
  printf("LIBRARY VERSION: ");
  __print_version(plugin->version);
  printf("\n");
  printf("PLUGIN API VERSION: ");
  __print_version(OBP_PLUGIN_API_VERSION_CURRENT);
  printf("\n");
  printf("LICENSE: %s\n", plugin->license);
  printf("REVISION: %s\n", OBP_DYNAMIC_PLUGIN_BUILD_REVISION_VAR);
  printf("BUILD_BRANCH: %s\n", OBP_DYNAMIC_PLUGIN_BUILD_BRANCH_VAR);
  printf("BUILD_TIME: %s %s\n", OBP_DYNAMIC_PLUGIN_BUILD_DATE_VAR, OBP_DYNAMIC_PLUGIN_BUILD_TIME_VAR);
  printf("\n");
 
  _exit(0);
}
 
#ifdef __cplusplus
} // extern "C"
#endif