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src/subversion/subversion/bindings/javahl/native/JNIUtil.cpp  view on Meta::CPAN

/**
 * @copyright
 * ====================================================================
 *    Licensed to the Apache Software Foundation (ASF) under one
 *    or more contributor license agreements.  See the NOTICE file
 *    distributed with this work for additional information
 *    regarding copyright ownership.  The ASF licenses this file
 *    to you 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.
 * ====================================================================
 * @endcopyright
 *
 * @file JNIUtil.cpp
 * @brief Implementation of the class JNIUtil
 */

#include "JNIUtil.h"
#include "Array.h"

#include <sstream>
#include <vector>
#include <locale.h>

#include <apr_strings.h>
#include <apr_tables.h>
#include <apr_general.h>
#include <apr_lib.h>

#include "svn_pools.h"
#include "svn_fs.h"
#include "svn_ra.h"
#include "svn_utf.h"
#include "svn_wc.h"
#include "svn_dso.h"
#include "svn_path.h"
#include "svn_cache_config.h"
#include <apr_file_info.h>
#include "svn_private_config.h"
#ifdef WIN32
/* FIXME: We're using an internal APR header here, which means we
   have to build Subversion with APR sources. This being Win32-only,
   that should be fine for now, but a better solution must be found in
   combination with issue #850. */
extern "C" {
#include <arch/win32/apr_arch_utf8.h>
};
#endif

#include "SVNBase.h"
#include "JNIMutex.h"
#include "JNICriticalSection.h"
#include "JNIThreadData.h"
#include "JNIStringHolder.h"
#include "Pool.h"

// Static members of JNIUtil are allocated here.
apr_pool_t *JNIUtil::g_pool = NULL;
std::list<SVNBase*> JNIUtil::g_finalizedObjects;
JNIMutex *JNIUtil::g_finalizedObjectsMutex = NULL;
JNIMutex *JNIUtil::g_logMutex = NULL;
bool JNIUtil::g_initException;
bool JNIUtil::g_inInit;
JNIEnv *JNIUtil::g_initEnv;
char JNIUtil::g_initFormatBuffer[formatBufferSize];
int JNIUtil::g_logLevel = JNIUtil::noLog;
std::ofstream JNIUtil::g_logStream;

/**
 * Initialize the environment for all requests.
 * @param env   the JNI environment for this request
 */
bool JNIUtil::JNIInit(JNIEnv *env)
{
  // Clear all standing exceptions.
  env->ExceptionClear();

  // Remember the env parameter for the remainder of the request.
  setEnv(env);

  // Lock the list of finalized objects.
  JNICriticalSection cs(*g_finalizedObjectsMutex) ;
  if (isExceptionThrown())

src/subversion/subversion/bindings/javahl/native/JNIUtil.cpp  view on Meta::CPAN

      return FALSE;
    }

  /* This has to happen before any pools are created. */
  if ((err = svn_dso_initialize2()))
    {
      if (stderr && err->message)
        fprintf(stderr, "%s", err->message);

      svn_error_clear(err);
      return FALSE;
    }

  if (0 > atexit(apr_terminate))
    {
      if (stderr)
        fprintf(stderr,
                "%s: error: atexit registration failed\n",
                "svnjavahl");
      return FALSE;
    }

  /* Create our top-level pool. */
  g_pool = svn_pool_create(NULL);

  apr_allocator_t* allocator = apr_pool_allocator_get(g_pool);

  if (allocator)
    {
      /* Keep a maximum of 1 free block, to release memory back to the JVM
         (and other modules). */
      apr_allocator_max_free_set(allocator, 1);
    }

  svn_utf_initialize2(FALSE, g_pool); /* Optimize character conversions */
  svn_fs_initialize(g_pool); /* Avoid some theoretical issues */
  svn_ra_initialize(g_pool);

  /* We shouldn't fill the JVMs memory with FS cache data unless explictly
     requested. */
  {
    svn_cache_config_t settings = *svn_cache_config_get();
    settings.cache_size = 0;
    settings.file_handle_count = 0;
    settings.single_threaded = FALSE;
    svn_cache_config_set(&settings);
  }

#ifdef ENABLE_NLS
#ifdef WIN32
  {
    WCHAR ucs2_path[MAX_PATH];
    char *utf8_path;
    const char *internal_path;
    apr_pool_t *pool;
    apr_status_t apr_err;
    apr_size_t inwords, outbytes;
    unsigned int outlength;

    pool = svn_pool_create(g_pool);
    /* get dll name - our locale info will be in '../share/locale' */
    inwords = sizeof(ucs2_path) / sizeof(ucs2_path[0]);
    HINSTANCE moduleHandle = GetModuleHandle("libsvnjavahl-1");
    GetModuleFileNameW(moduleHandle, ucs2_path, inwords);
    inwords = lstrlenW(ucs2_path);
    outbytes = outlength = 3 * (inwords + 1);
    utf8_path = reinterpret_cast<char *>(apr_palloc(pool, outlength));
    apr_err = apr_conv_ucs2_to_utf8((const apr_wchar_t *) ucs2_path,
                                    &inwords, utf8_path, &outbytes);
    if (!apr_err && (inwords > 0 || outbytes == 0))
      apr_err = APR_INCOMPLETE;
    if (apr_err)
      {
        if (stderr)
          fprintf(stderr, "Can't convert module path to UTF-8");
        return FALSE;
      }
    utf8_path[outlength - outbytes] = '\0';
    internal_path = svn_dirent_internal_style(utf8_path, pool);
    /* get base path name */
    internal_path = svn_dirent_dirname(internal_path, pool);
    internal_path = svn_dirent_join(internal_path, SVN_LOCALE_RELATIVE_PATH,
                                  pool);
    bindtextdomain(PACKAGE_NAME, internal_path);
    svn_pool_destroy(pool);
  }
#else
  bindtextdomain(PACKAGE_NAME, SVN_LOCALE_DIR);
#endif
#endif

#if defined(WIN32) || defined(__CYGWIN__)
  /* See http://svn.apache.org/repos/asf/subversion/trunk/notes/asp-dot-net-hack.txt */
  /* ### This code really only needs to be invoked by consumers of
     ### the libsvn_wc library, which basically means SVNClient. */
  if (getenv("SVN_ASP_DOT_NET_HACK"))
    {
      err = svn_wc_set_adm_dir("_svn", g_pool);
      if (err)
        {
          if (stderr)
            {
              fprintf(stderr,
                      "%s: error: SVN_ASP_DOT_NET_HACK failed: %s\n",
                      "svnjavahl", err->message);
            }
          svn_error_clear(err);
          return FALSE;
        }
    }
#endif

  svn_error_set_malfunction_handler(svn_error_raise_on_malfunction);

  // Build all mutexes.
  g_finalizedObjectsMutex = new JNIMutex(g_pool);
  if (isExceptionThrown())
    return false;

  g_logMutex = new JNIMutex(g_pool);
  if (isExceptionThrown())