content: /*
   ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
   ~                                                                               ~
   ~ The MIT License (MIT)                                                         ~
   ~                                                                               ~
   ~ Copyright (c) 2015-2025 miaixz.org OSHI and other contributors.               ~
   ~                                                                               ~
   ~ Permission is hereby granted, free of charge, to any person obtaining a copy  ~
   ~ of this software and associated documentation files (the "Software"), to deal ~
   ~ in the Software without restriction, including without limitation the rights  ~
   ~ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell     ~
   ~ copies of the Software, and to permit persons to whom the Software is         ~
   ~ furnished to do so, subject to the following conditions:                      ~
   ~                                                                               ~
   ~ The above copyright notice and this permission notice shall be included in    ~
   ~ all copies or substantial portions of the Software.                           ~
   ~                                                                               ~
   ~ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR    ~
   ~ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,      ~
   ~ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE   ~
   ~ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER        ~
   ~ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, ~
   ~ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN     ~
   ~ THE SOFTWARE.                                                                 ~
   ~                                                                               ~
   ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
  */
  package org.miaixz.bus.health.unix.platform.aix.software;
  
  import java.io.File;
  import java.nio.file.PathMatcher;
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import org.miaixz.bus.core.center.regex.Pattern;
  import org.miaixz.bus.core.lang.Normal;
  import org.miaixz.bus.core.lang.annotation.ThreadSafe;
  import org.miaixz.bus.health.Builder;
  import org.miaixz.bus.health.Config;
  import org.miaixz.bus.health.Executor;
  import org.miaixz.bus.health.Parsing;
  import org.miaixz.bus.health.builtin.software.OSFileStore;
  import org.miaixz.bus.health.builtin.software.common.AbstractFileSystem;
  
  /**
   * The AIX File System contains {@link OSFileStore}s which are a storage pool, device, partition, volume, concrete file
   * system or other implementation specific means of file storage.
   *
   * @author Kimi Liu
   * @since Java 17+
   */
  @ThreadSafe
  public class AixFileSystem extends AbstractFileSystem {
  
      private static final List<PathMatcher> FS_PATH_EXCLUDES = Builder
              .loadAndParseFileSystemConfig(Config._UNIX_AIX_FS_PATH_EXCLUDES);
      private static final List<PathMatcher> FS_PATH_INCLUDES = Builder
              .loadAndParseFileSystemConfig(Config._UNIX_AIX_FS_PATH_INCLUDES);
      private static final List<PathMatcher> FS_VOLUME_EXCLUDES = Builder
              .loadAndParseFileSystemConfig(Config._UNIX_AIX_FS_VOLUME_EXCLUDES);
      private static final List<PathMatcher> FS_VOLUME_INCLUDES = Builder
              .loadAndParseFileSystemConfig(Config._UNIX_AIX_FS_VOLUME_INCLUDES);
  
      // Called by AixOSFileStore
      static List<OSFileStore> getFileStoreMatching(String nameToMatch) {
          return getFileStoreMatching(nameToMatch, false);
      }
  
      private static List<OSFileStore> getFileStoreMatching(String nameToMatch, boolean localOnly) {
          List<OSFileStore> fsList = new ArrayList<>();
  
          // Get inode usage data
          Map<String, Long> inodeFreeMap = new HashMap<>();
          Map<String, Long> inodeTotalMap = new HashMap<>();
          String command = "df -i" + (localOnly ? " -l" : Normal.EMPTY);
          for (String line : Executor.runNative(command)) {
              /*- Sample Output:
               $ df -i
              Filesystem            Inodes   IUsed   IFree IUse% Mounted on
              /dev/hd4               75081   16741   58340   23% /
              /dev/hd2              269640   43104  226536   16% /usr
              /dev/hd9var            43598    1370   42228    4% /var
              /dev/hd3               79936     386   79550    1% /tmp
              /dev/hd11admin         29138       7   29131    1% /admin
              /proc                      0       0       0    -  /proc
              /dev/hd10opt           47477    4232   43245    9% /opt
              /dev/livedump          58204       4   58200    1% /var/adm/ras/livedump
              /dev/fslv00          12419240  292668 12126572    3% /home
              */
              if (line.startsWith("/")) {
                  String[] split = Pattern.SPACES_PATTERN.split(line);
                  if (split.length > 5) {
                      inodeTotalMap.put(split[0], Parsing.parseLongOrDefault(split[1], 0L));
                      inodeFreeMap.put(split[0], Parsing.parseLongOrDefault(split[3], 0L));
                  }
              }
          }
  
          // Get mount table
          for (String fs : Executor.runNative("mount")) { // NOSONAR squid:S135
              /*- Sample Output:
               *   node       mounted        mounted over    vfs       date        options
               * -------- ---------------  ---------------  ------ ------------ ---------------
               *          /dev/hd4         /                jfs2   Jun 16 09:12 rw,log=/dev/hd8
               *          /dev/hd2         /usr             jfs2   Jun 16 09:12 rw,log=/dev/hd8
               *          /dev/hd9var      /var             jfs2   Jun 16 09:12 rw,log=/dev/hd8
               *          /dev/hd3         /tmp             jfs2   Jun 16 09:12 rw,log=/dev/hd8
               *          /dev/hd11admin   /admin           jfs2   Jun 16 09:13 rw,log=/dev/hd8
               *          /proc            /proc            procfs Jun 16 09:13 rw
               *          /dev/hd10opt     /opt             jfs2   Jun 16 09:13 rw,log=/dev/hd8
               *          /dev/livedump    /var/adm/ras/livedump jfs2   Jun 16 09:13 rw,log=/dev/hd8
               * foo      /dev/fslv00      /home            jfs2   Jun 16 09:13 rw,log=/dev/loglv00
               */
              // Lines begin with optional node, which we don't use. To force sensible split
              // behavior, append any character at the beginning of the string
              String[] split = Pattern.SPACES_PATTERN.split("x" + fs);
              if (split.length > 7) {
                  // 1st field is volume name [0-index]
                  // 2nd field is mount point
                  // 3rd field is fs type
                  // 4th-6th fields are date, ignored
                  // 7th field is options
                  String volume = split[1];
                  String path = split[2];
                  String type = split[3];
                  String options = split[4];
  
                  // Skip non-local drives if requested, and exclude pseudo file systems
                  if ((localOnly && NETWORK_FS_TYPES.contains(type))
                          || !path.equals("/") && (PSEUDO_FS_TYPES.contains(type) || Builder.isFileStoreExcluded(
                                  path,
                                  volume,
                                  FS_PATH_INCLUDES,
                                  FS_PATH_EXCLUDES,
                                  FS_VOLUME_INCLUDES,
                                  FS_VOLUME_EXCLUDES))) {
                      continue;
                  }
  
                  String name = path.substring(path.lastIndexOf('/') + 1);
                  // Special case for /, pull last element of volume instead
                  if (name.isEmpty()) {
                      name = volume.substring(volume.lastIndexOf('/') + 1);
                  }
  
                  if (nameToMatch != null && !nameToMatch.equals(name)) {
                      continue;
                  }
                  File f = new File(path);
                  if (!f.exists() || f.getTotalSpace() < 0) {
                      continue;
                  }
                  long totalSpace = f.getTotalSpace();
                  long usableSpace = f.getUsableSpace();
                  long freeSpace = f.getFreeSpace();
  
                  String description;
                  if (volume.startsWith("/dev") || path.equals("/")) {
                      description = "Local Disk";
                  } else if (volume.equals("tmpfs")) {
                      description = "Ram Disk";
                  } else if (NETWORK_FS_TYPES.contains(type)) {
                      description = "Network Disk";
                  } else {
                      description = "Mount Point";
                  }
  
                  fsList.add(
                          new AixOSFileStore(name, volume, name, path, options, Normal.EMPTY, Normal.EMPTY, description,
                                  type, freeSpace, usableSpace, totalSpace, inodeFreeMap.getOrDefault(volume, 0L),
                                  inodeTotalMap.getOrDefault(volume, 0L)));
              }
          }
          return fsList;
      }
  
      @Override
      public List<OSFileStore> getFileStores(boolean localOnly) {
          return getFileStoreMatching(null, localOnly);
      }
  
      @Override
      public long getOpenFileDescriptors() {
          boolean header = false;
          long openfiles = 0L;
          for (String f : Executor.runNative("lsof -nl")) {
              if (!header) {
                  header = f.startsWith("COMMAND");
              } else {
                  openfiles++;
              }
          }
          return openfiles;
      }
  
      @Override
      public long getMaxFileDescriptors() {
          return Parsing.parseLongOrDefault(Executor.getFirstAnswer("ulimit -n"), 0L);
      }
  
      @Override
      public long getMaxFileDescriptorsPerProcess() {
          final List<String> lines = Builder.readFile("/etc/security/limits");
          for (final String line : lines) {
              if (line.trim().startsWith("nofiles")) {
                  return Parsing.parseLastLong(line, Long.MAX_VALUE);
              }
          }
          return Long.MAX_VALUE;
      }
  
  }
  