+++ /dev/null
-/*
- * 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.
- */
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/un.h>
-#include <jni.h>
-
-#include "ScopedLocalRef.h"
-#include "JniConstants.h"
-
-#include "include/cephfs/libcephfs.h"
-#include "common/dout.h"
-
-#define dout_subsys ceph_subsys_javaclient
-
-#include "com_ceph_fs_CephMount.h"
-
-#define CEPH_STAT_CP "com/ceph/fs/CephStat"
-#define CEPH_STAT_VFS_CP "com/ceph/fs/CephStatVFS"
-#define CEPH_FILE_EXTENT_CP "com/ceph/fs/CephFileExtent"
-#define CEPH_MOUNT_CP "com/ceph/fs/CephMount"
-#define CEPH_NOTMOUNTED_CP "com/ceph/fs/CephNotMountedException"
-#define CEPH_FILEEXISTS_CP "com/ceph/fs/CephFileAlreadyExistsException"
-#define CEPH_ALREADYMOUNTED_CP "com/ceph/fs/CephAlreadyMountedException"
-#define CEPH_NOTDIR_CP "com/ceph/fs/CephNotDirectoryException"
-
-/*
- * Flags to open(). must be synchronized with CephMount.java
- *
- * There are two versions of flags: the version in Java and the version in the
- * target library (e.g. libc or libcephfs). We control the Java values and map
- * to the target value with fixup_* functions below. This is much faster than
- * keeping the values in Java and making a cross-JNI up-call to retrieve them,
- * and makes it easy to keep any platform specific value changes in this file.
- */
-#define JAVA_O_RDONLY 1
-#define JAVA_O_RDWR 2
-#define JAVA_O_APPEND 4
-#define JAVA_O_CREAT 8
-#define JAVA_O_TRUNC 16
-#define JAVA_O_EXCL 32
-#define JAVA_O_WRONLY 64
-#define JAVA_O_DIRECTORY 128
-
-/*
- * Whence flags for seek(). sync with CephMount.java if changed.
- *
- * Mapping of SEEK_* done in seek function.
- */
-#define JAVA_SEEK_SET 1
-#define JAVA_SEEK_CUR 2
-#define JAVA_SEEK_END 3
-
-/*
- * File attribute flags. sync with CephMount.java if changed.
- */
-#define JAVA_SETATTR_MODE 1
-#define JAVA_SETATTR_UID 2
-#define JAVA_SETATTR_GID 4
-#define JAVA_SETATTR_MTIME 8
-#define JAVA_SETATTR_ATIME 16
-
-/*
- * Setxattr flags. sync with CephMount.java if changed.
- */
-#define JAVA_XATTR_CREATE 1
-#define JAVA_XATTR_REPLACE 2
-#define JAVA_XATTR_NONE 3
-
-/*
- * flock flags. sync with CephMount.java if changed.
- */
-#define JAVA_LOCK_SH 1
-#define JAVA_LOCK_EX 2
-#define JAVA_LOCK_NB 4
-#define JAVA_LOCK_UN 8
-
-/* Map JAVA_O_* open flags to values in libc */
-static inline int fixup_open_flags(jint jflags)
-{
- int ret = 0;
-
-#define FIXUP_OPEN_FLAG(name) \
- if (jflags & JAVA_##name) \
- ret |= name;
-
- FIXUP_OPEN_FLAG(O_RDONLY)
- FIXUP_OPEN_FLAG(O_RDWR)
- FIXUP_OPEN_FLAG(O_APPEND)
- FIXUP_OPEN_FLAG(O_CREAT)
- FIXUP_OPEN_FLAG(O_TRUNC)
- FIXUP_OPEN_FLAG(O_EXCL)
- FIXUP_OPEN_FLAG(O_WRONLY)
- FIXUP_OPEN_FLAG(O_DIRECTORY)
-
-#undef FIXUP_OPEN_FLAG
-
- return ret;
-}
-
-/* Map JAVA_SETATTR_* to values in ceph lib */
-static inline int fixup_attr_mask(jint jmask)
-{
- int mask = 0;
-
-#define FIXUP_ATTR_MASK(name) \
- if (jmask & JAVA_##name) \
- mask |= CEPH_##name;
-
- FIXUP_ATTR_MASK(SETATTR_MODE)
- FIXUP_ATTR_MASK(SETATTR_UID)
- FIXUP_ATTR_MASK(SETATTR_GID)
- FIXUP_ATTR_MASK(SETATTR_MTIME)
- FIXUP_ATTR_MASK(SETATTR_ATIME)
-
-#undef FIXUP_ATTR_MASK
-
- return mask;
-}
-
-/* Cached field IDs for com.ceph.fs.CephStat */
-static jfieldID cephstat_mode_fid;
-static jfieldID cephstat_uid_fid;
-static jfieldID cephstat_gid_fid;
-static jfieldID cephstat_size_fid;
-static jfieldID cephstat_blksize_fid;
-static jfieldID cephstat_blocks_fid;
-static jfieldID cephstat_a_time_fid;
-static jfieldID cephstat_m_time_fid;
-static jfieldID cephstat_is_file_fid;
-static jfieldID cephstat_is_directory_fid;
-static jfieldID cephstat_is_symlink_fid;
-
-/* Cached field IDs for com.ceph.fs.CephStatVFS */
-static jfieldID cephstatvfs_bsize_fid;
-static jfieldID cephstatvfs_frsize_fid;
-static jfieldID cephstatvfs_blocks_fid;
-static jfieldID cephstatvfs_bavail_fid;
-static jfieldID cephstatvfs_files_fid;
-static jfieldID cephstatvfs_fsid_fid;
-static jfieldID cephstatvfs_namemax_fid;
-
-/* Cached field IDs for com.ceph.fs.CephMount */
-static jfieldID cephmount_instance_ptr_fid;
-
-/* Cached field IDs for com.ceph.fs.CephFileExtent */
-static jclass cephfileextent_cls;
-static jmethodID cephfileextent_ctor_fid;
-
-/*
- * Exception throwing helper. Adapted from Apache Hadoop header
- * org_apache_hadoop.h by adding the do {} while (0) construct.
- */
-#define THROW(env, exception_name, message) \
- do { \
- jclass ecls = env->FindClass(exception_name); \
- if (ecls) { \
- int ret = env->ThrowNew(ecls, message); \
- if (ret < 0) { \
- printf("(CephFS) Fatal Error\n"); \
- } \
- env->DeleteLocalRef(ecls); \
- } \
- } while (0)
-
-
-static void cephThrowNullArg(JNIEnv *env, const char *msg)
-{
- THROW(env, "java/lang/NullPointerException", msg);
-}
-
-static void cephThrowOutOfMemory(JNIEnv *env, const char *msg)
-{
- THROW(env, "java/lang/OutOfMemoryError", msg);
-}
-
-static void cephThrowInternal(JNIEnv *env, const char *msg)
-{
- THROW(env, "java/lang/InternalError", msg);
-}
-
-static void cephThrowIndexBounds(JNIEnv *env, const char *msg)
-{
- THROW(env, "java/lang/IndexOutOfBoundsException", msg);
-}
-
-static void cephThrowIllegalArg(JNIEnv *env, const char *msg)
-{
- THROW(env, "java/lang/IllegalArgumentException", msg);
-}
-
-static void cephThrowFNF(JNIEnv *env, const char *msg)
-{
- THROW(env, "java/io/FileNotFoundException", msg);
-}
-
-static void cephThrowFileExists(JNIEnv *env, const char *msg)
-{
- THROW(env, CEPH_FILEEXISTS_CP, msg);
-}
-
-static void cephThrowNotDir(JNIEnv *env, const char *msg)
-{
- THROW(env, CEPH_NOTDIR_CP, msg);
-}
-
-static void handle_error(JNIEnv *env, int rc)
-{
- switch (rc) {
- case -ENOENT:
- cephThrowFNF(env, "");
- return;
- case -EEXIST:
- cephThrowFileExists(env, "");
- return;
- case -ENOTDIR:
- cephThrowNotDir(env, "");
- return;
- default:
- break;
- }
-
- THROW(env, "java/io/IOException", strerror(-rc));
-}
-
-#define CHECK_ARG_NULL(v, m, r) do { \
- if (!(v)) { \
- cephThrowNullArg(env, (m)); \
- return (r); \
- } } while (0)
-
-#define CHECK_ARG_BOUNDS(c, m, r) do { \
- if ((c)) { \
- cephThrowIndexBounds(env, (m)); \
- return (r); \
- } } while (0)
-
-#define CHECK_MOUNTED(_c, _r) do { \
- if (!ceph_is_mounted((_c))) { \
- THROW(env, CEPH_NOTMOUNTED_CP, "not mounted"); \
- return (_r); \
- } } while (0)
-
-/*
- * Cast a jlong to ceph_mount_info. Each JNI function is expected to pass in
- * the class instance variable instance_ptr. Passing a parameter is faster
- * than reaching back into Java via an upcall to retreive this pointer.
- */
-static inline struct ceph_mount_info *get_ceph_mount(jlong j_mntp)
-{
- return (struct ceph_mount_info *)j_mntp;
-}
-
-/*
- * Setup cached field IDs
- */
-static void setup_field_ids(JNIEnv *env, jclass clz)
-{
- jclass cephstat_cls;
- jclass cephstatvfs_cls;
- jclass tmp_cephfileextent_cls;
-
-/*
- * Get a fieldID from a class with a specific type
- *
- * clz: jclass
- * field: field in clz
- * type: integer, long, etc..
- *
- * This macro assumes some naming convention that is used
- * only in this file:
- *
- * GETFID(cephstat, mode, I) gets translated into
- * cephstat_mode_fid = env->GetFieldID(cephstat_cls, "mode", "I");
- */
-#define GETFID(clz, field, type) do { \
- clz ## _ ## field ## _fid = env->GetFieldID(clz ## _cls, #field, #type); \
- if ( ! clz ## _ ## field ## _fid ) \
- return; \
- } while (0)
-
- /* Cache CephStat fields */
-
- cephstat_cls = env->FindClass(CEPH_STAT_CP);
- if (!cephstat_cls)
- return;
-
- GETFID(cephstat, mode, I);
- GETFID(cephstat, uid, I);
- GETFID(cephstat, gid, I);
- GETFID(cephstat, size, J);
- GETFID(cephstat, blksize, J);
- GETFID(cephstat, blocks, J);
- GETFID(cephstat, a_time, J);
- GETFID(cephstat, m_time, J);
- GETFID(cephstat, is_file, Z);
- GETFID(cephstat, is_directory, Z);
- GETFID(cephstat, is_symlink, Z);
-
- /* Cache CephStatVFS fields */
-
- cephstatvfs_cls = env->FindClass(CEPH_STAT_VFS_CP);
- if (!cephstatvfs_cls)
- return;
-
- GETFID(cephstatvfs, bsize, J);
- GETFID(cephstatvfs, frsize, J);
- GETFID(cephstatvfs, blocks, J);
- GETFID(cephstatvfs, bavail, J);
- GETFID(cephstatvfs, files, J);
- GETFID(cephstatvfs, fsid, J);
- GETFID(cephstatvfs, namemax, J);
-
- /* Cache CephFileExtent fields */
-
- tmp_cephfileextent_cls = env->FindClass(CEPH_FILE_EXTENT_CP);
- if (!tmp_cephfileextent_cls)
- return;
-
- cephfileextent_cls = (jclass)env->NewGlobalRef(tmp_cephfileextent_cls);
- env->DeleteLocalRef(tmp_cephfileextent_cls);
-
- cephfileextent_ctor_fid = env->GetMethodID(cephfileextent_cls, "<init>", "(JJ[I)V");
- if (!cephfileextent_ctor_fid)
- return;
-
- JniConstants::init(env);
-
-#undef GETFID
-
- cephmount_instance_ptr_fid = env->GetFieldID(clz, "instance_ptr", "J");
-}
-
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_initialize
- * Signature: ()V
- */
-JNIEXPORT void JNICALL Java_com_ceph_fs_CephMount_native_1initialize
- (JNIEnv *env, jclass clz)
-{
- setup_field_ids(env, clz);
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_create
- * Signature: (Lcom/ceph/fs/CephMount;Ljava/lang/String;)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1create
- (JNIEnv *env, jclass clz, jobject j_cephmount, jstring j_id)
-{
- struct ceph_mount_info *cmount;
- const char *c_id = NULL;
- int ret;
-
- CHECK_ARG_NULL(j_cephmount, "@mount is null", -1);
-
- if (j_id) {
- c_id = env->GetStringUTFChars(j_id, NULL);
- if (!c_id) {
- cephThrowInternal(env, "Failed to pin memory");
- return -1;
- }
- }
-
- ret = ceph_create(&cmount, c_id);
-
- if (c_id)
- env->ReleaseStringUTFChars(j_id, c_id);
-
- if (ret) {
- THROW(env, "java/lang/RuntimeException", "failed to create Ceph mount object");
- return ret;
- }
-
- env->SetLongField(j_cephmount, cephmount_instance_ptr_fid, (long)cmount);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_mount
- * Signature: (JLjava/lang/String;)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1mount
- (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_root)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- const char *c_root = NULL;
- int ret;
-
- /*
- * Toss a message up if we are already mounted.
- */
- if (ceph_is_mounted(cmount)) {
- THROW(env, CEPH_ALREADYMOUNTED_CP, "");
- return -1;
- }
-
- if (j_root) {
- c_root = env->GetStringUTFChars(j_root, NULL);
- if (!c_root) {
- cephThrowInternal(env, "Failed to pin memory");
- return -1;
- }
- }
-
- ldout(cct, 10) << "jni: ceph_mount: " << (c_root ? c_root : "<NULL>") << dendl;
-
- ret = ceph_mount(cmount, c_root);
-
- ldout(cct, 10) << "jni: ceph_mount: exit ret " << ret << dendl;
-
- if (c_root)
- env->ReleaseStringUTFChars(j_root, c_root);
-
- if (ret)
- handle_error(env, ret);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_unmount
- * Signature: (J)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1unmount
- (JNIEnv *env, jclass clz, jlong j_mntp)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- int ret;
-
- ldout(cct, 10) << "jni: ceph_unmount enter" << dendl;
-
- CHECK_MOUNTED(cmount, -1);
-
- ret = ceph_unmount(cmount);
-
- ldout(cct, 10) << "jni: ceph_unmount exit ret " << ret << dendl;
-
- if (ret)
- handle_error(env, ret);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_release
- * Signature: (J)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1release
- (JNIEnv *env, jclass clz, jlong j_mntp)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- int ret;
-
- ldout(cct, 10) << "jni: ceph_release called" << dendl;
-
- ret = ceph_release(cmount);
-
- if (ret)
- handle_error(env, ret);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_conf_set
- * Signature: (JLjava/lang/String;Ljava/lang/String;)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1conf_1set
- (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_opt, jstring j_val)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- const char *c_opt, *c_val;
- int ret;
-
- CHECK_ARG_NULL(j_opt, "@option is null", -1);
- CHECK_ARG_NULL(j_val, "@value is null", -1);
-
- c_opt = env->GetStringUTFChars(j_opt, NULL);
- if (!c_opt) {
- cephThrowInternal(env, "failed to pin memory");
- return -1;
- }
-
- c_val = env->GetStringUTFChars(j_val, NULL);
- if (!c_val) {
- env->ReleaseStringUTFChars(j_opt, c_opt);
- cephThrowInternal(env, "failed to pin memory");
- return -1;
- }
-
- ldout(cct, 10) << "jni: conf_set: opt " << c_opt << " val " << c_val << dendl;
-
- ret = ceph_conf_set(cmount, c_opt, c_val);
-
- ldout(cct, 10) << "jni: conf_set: exit ret " << ret << dendl;
-
- env->ReleaseStringUTFChars(j_opt, c_opt);
- env->ReleaseStringUTFChars(j_val, c_val);
-
- if (ret)
- handle_error(env, ret);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_conf_get
- * Signature: (JLjava/lang/String;)Ljava/lang/String;
- */
-JNIEXPORT jstring JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1conf_1get
- (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_opt)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- const char *c_opt;
- jstring value = NULL;
- int ret, buflen;
- char *buf;
-
- CHECK_ARG_NULL(j_opt, "@option is null", NULL);
-
- c_opt = env->GetStringUTFChars(j_opt, NULL);
- if (!c_opt) {
- cephThrowInternal(env, "failed to pin memory");
- return NULL;
- }
-
- buflen = 128;
- buf = new (std::nothrow) char[buflen];
- if (!buf) {
- cephThrowOutOfMemory(env, "head allocation failed");
- goto out;
- }
-
- while (1) {
- memset(buf, 0, sizeof(char)*buflen);
- ldout(cct, 10) << "jni: conf_get: opt " << c_opt << " len " << buflen << dendl;
- ret = ceph_conf_get(cmount, c_opt, buf, buflen);
- if (ret == -ENAMETOOLONG) {
- buflen *= 2;
- delete [] buf;
- buf = new (std::nothrow) char[buflen];
- if (!buf) {
- cephThrowOutOfMemory(env, "head allocation failed");
- goto out;
- }
- } else
- break;
- }
-
- ldout(cct, 10) << "jni: conf_get: ret " << ret << dendl;
-
- if (ret == 0)
- value = env->NewStringUTF(buf);
- else if (ret != -ENOENT)
- handle_error(env, ret);
-
- delete [] buf;
-
-out:
- env->ReleaseStringUTFChars(j_opt, c_opt);
- return value;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_conf_read_file
- * Signature: (JLjava/lang/String;)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1conf_1read_1file
- (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- const char *c_path;
- int ret;
-
- CHECK_ARG_NULL(j_path, "@path is null", -1);
-
- c_path = env->GetStringUTFChars(j_path, NULL);
- if (!c_path) {
- cephThrowInternal(env, "failed to pin memory");
- return -1;
- }
-
- ldout(cct, 10) << "jni: conf_read_file: path " << c_path << dendl;
-
- ret = ceph_conf_read_file(cmount, c_path);
-
- ldout(cct, 10) << "jni: conf_read_file: exit ret " << ret << dendl;
-
- env->ReleaseStringUTFChars(j_path, c_path);
-
- if (ret)
- handle_error(env, ret);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_statfs
- * Signature: (JLjava/lang/String;Lcom/ceph/fs/CephStatVFS;)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1statfs
- (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path, jobject j_cephstatvfs)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- const char *c_path;
- struct statvfs st;
- int ret;
-
- CHECK_ARG_NULL(j_path, "@path is null", -1);
- CHECK_ARG_NULL(j_cephstatvfs, "@stat is null", -1);
- CHECK_MOUNTED(cmount, -1);
-
- c_path = env->GetStringUTFChars(j_path, NULL);
- if (!c_path) {
- cephThrowInternal(env, "Failed to pin memory");
- return -1;
- }
-
- ldout(cct, 10) << "jni: statfs: path " << c_path << dendl;
-
- ret = ceph_statfs(cmount, c_path, &st);
-
- ldout(cct, 10) << "jni: statfs: exit ret " << ret << dendl;
-
- env->ReleaseStringUTFChars(j_path, c_path);
-
- if (ret) {
- handle_error(env, ret);
- return ret;
- }
-
- env->SetLongField(j_cephstatvfs, cephstatvfs_bsize_fid, st.f_bsize);
- env->SetLongField(j_cephstatvfs, cephstatvfs_frsize_fid, st.f_frsize);
- env->SetLongField(j_cephstatvfs, cephstatvfs_blocks_fid, st.f_blocks);
- env->SetLongField(j_cephstatvfs, cephstatvfs_bavail_fid, st.f_bavail);
- env->SetLongField(j_cephstatvfs, cephstatvfs_files_fid, st.f_files);
- env->SetLongField(j_cephstatvfs, cephstatvfs_fsid_fid, st.f_fsid);
- env->SetLongField(j_cephstatvfs, cephstatvfs_namemax_fid, st.f_namemax);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_getcwd
- * Signature: (J)Ljava/lang/String;
- */
-JNIEXPORT jstring JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1getcwd
- (JNIEnv *env, jclass clz, jlong j_mntp)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- const char *c_cwd;
-
- CHECK_MOUNTED(cmount, NULL);
-
- ldout(cct, 10) << "jni: getcwd: enter" << dendl;
-
- c_cwd = ceph_getcwd(cmount);
- if (!c_cwd) {
- cephThrowOutOfMemory(env, "ceph_getcwd");
- return NULL;
- }
-
- ldout(cct, 10) << "jni: getcwd: exit ret " << c_cwd << dendl;
-
- return env->NewStringUTF(c_cwd);
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_chdir
- * Signature: (JLjava/lang/String;)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1chdir
- (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- const char *c_path;
- int ret;
-
- CHECK_ARG_NULL(j_path, "@path is null", -1);
- CHECK_MOUNTED(cmount, -1);
-
- c_path = env->GetStringUTFChars(j_path, NULL);
- if (!c_path) {
- cephThrowInternal(env, "failed to pin memory");
- return -1;
- }
-
- ldout(cct, 10) << "jni: chdir: path " << c_path << dendl;
-
- ret = ceph_chdir(cmount, c_path);
-
- ldout(cct, 10) << "jni: chdir: exit ret " << ret << dendl;
-
- env->ReleaseStringUTFChars(j_path, c_path);
-
- if (ret)
- handle_error(env, ret);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_listdir
- * Signature: (JLjava/lang/String;)[Ljava/lang/String;
- */
-JNIEXPORT jobjectArray JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1listdir
- (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- struct ceph_dir_result *dirp;
- list<string>::iterator it;
- list<string> contents;
- const char *c_path;
- jobjectArray dirlist;
- string *ent;
- int ret, buflen, bufpos, i;
- jstring name;
- char *buf;
-
- CHECK_ARG_NULL(j_path, "@path is null", NULL);
- CHECK_MOUNTED(cmount, NULL);
-
- c_path = env->GetStringUTFChars(j_path, NULL);
- if (!c_path) {
- cephThrowInternal(env, "failed to pin memory");
- return NULL;
- }
-
- ldout(cct, 10) << "jni: listdir: opendir: path " << c_path << dendl;
-
- /* ret < 0 also includes -ENOTDIR which should return NULL */
- ret = ceph_opendir(cmount, c_path, &dirp);
- if (ret) {
- env->ReleaseStringUTFChars(j_path, c_path);
- handle_error(env, ret);
- return NULL;
- }
-
- ldout(cct, 10) << "jni: listdir: opendir: exit ret " << ret << dendl;
-
- /* buffer for ceph_getdnames() results */
- buflen = 256;
- buf = new (std::nothrow) char[buflen];
- if (!buf) {
- cephThrowOutOfMemory(env, "heap allocation failed");
- goto out;
- }
-
- while (1) {
- ldout(cct, 10) << "jni: listdir: getdnames: enter" << dendl;
- ret = ceph_getdnames(cmount, dirp, buf, buflen);
- if (ret == -ERANGE) {
- delete [] buf;
- buflen *= 2;
- buf = new (std::nothrow) char[buflen];
- if (!buf) {
- cephThrowOutOfMemory(env, "heap allocation failed");
- goto out;
- }
- continue;
- }
-
- ldout(cct, 10) << "jni: listdir: getdnames: exit ret " << ret << dendl;
-
- if (ret <= 0)
- break;
-
- /* got at least one name */
- bufpos = 0;
- while (bufpos < ret) {
- ent = new (std::nothrow) string(buf + bufpos);
- if (!ent) {
- delete [] buf;
- cephThrowOutOfMemory(env, "heap allocation failed");
- goto out;
- }
-
- /* filter out dot files: xref: java.io.File::list() */
- if (ent->compare(".") && ent->compare("..")) {
- contents.push_back(*ent);
- ldout(cct, 20) << "jni: listdir: take path " << *ent << dendl;
- }
-
- bufpos += ent->size() + 1;
- delete ent;
- }
- }
-
- delete [] buf;
-
- if (ret < 0) {
- handle_error(env, ret);
- goto out;
- }
-
- /* directory list */
- dirlist = env->NewObjectArray(contents.size(), env->FindClass("java/lang/String"), NULL);
- if (!dirlist)
- goto out;
-
- /*
- * Fill directory listing array.
- *
- * FIXME: how should a partially filled array be cleaned-up properly?
- */
- for (i = 0, it = contents.begin(); it != contents.end(); ++it) {
- name = env->NewStringUTF(it->c_str());
- if (!name)
- goto out;
- env->SetObjectArrayElement(dirlist, i++, name);
- if (env->ExceptionOccurred())
- goto out;
- env->DeleteLocalRef(name);
- }
-
- env->ReleaseStringUTFChars(j_path, c_path);
- ceph_closedir(cmount, dirp);
-
- return dirlist;
-
-out:
- env->ReleaseStringUTFChars(j_path, c_path);
- ceph_closedir(cmount, dirp);
- return NULL;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_link
- * Signature: (JLjava/lang/String;Ljava/lang/String;)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1link
- (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_oldpath, jstring j_newpath)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- const char *c_oldpath, *c_newpath;
- int ret;
-
- CHECK_ARG_NULL(j_oldpath, "@oldpath is null", -1);
- CHECK_ARG_NULL(j_newpath, "@newpath is null", -1);
- CHECK_MOUNTED(cmount, -1);
-
- c_oldpath = env->GetStringUTFChars(j_oldpath, NULL);
- if (!c_oldpath) {
- cephThrowInternal(env, "failed to pin memory");
- return -1;
- }
-
- c_newpath = env->GetStringUTFChars(j_newpath, NULL);
- if (!c_newpath) {
- env->ReleaseStringUTFChars(j_oldpath, c_oldpath);
- cephThrowInternal(env, "failed to pin memory");
- return -1;
- }
-
- ldout(cct, 10) << "jni: link: oldpath " << c_oldpath <<
- " newpath " << c_newpath << dendl;
-
- ret = ceph_link(cmount, c_oldpath, c_newpath);
-
- ldout(cct, 10) << "jni: link: exit ret " << ret << dendl;
-
- env->ReleaseStringUTFChars(j_oldpath, c_oldpath);
- env->ReleaseStringUTFChars(j_newpath, c_newpath);
-
- if (ret)
- handle_error(env, ret);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_unlink
- * Signature: (JLjava/lang/String;)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1unlink
- (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- const char *c_path;
- int ret;
-
- CHECK_ARG_NULL(j_path, "@path is null", -1);
- CHECK_MOUNTED(cmount, -1);
-
- c_path = env->GetStringUTFChars(j_path, NULL);
- if (!c_path) {
- cephThrowInternal(env, "failed to pin memory");
- return -1;
- }
-
- ldout(cct, 10) << "jni: unlink: path " << c_path << dendl;
-
- ret = ceph_unlink(cmount, c_path);
-
- ldout(cct, 10) << "jni: unlink: exit ret " << ret << dendl;
-
- env->ReleaseStringUTFChars(j_path, c_path);
-
- if (ret)
- handle_error(env, ret);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_rename
- * Signature: (JLjava/lang/String;Ljava/lang/String;)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1rename
- (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_from, jstring j_to)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- const char *c_from, *c_to;
- int ret;
-
- CHECK_ARG_NULL(j_from, "@from is null", -1);
- CHECK_ARG_NULL(j_to, "@to is null", -1);
- CHECK_MOUNTED(cmount, -1);
-
- c_from = env->GetStringUTFChars(j_from, NULL);
- if (!c_from) {
- cephThrowInternal(env, "Failed to pin memory!");
- return -1;
- }
-
- c_to = env->GetStringUTFChars(j_to, NULL);
- if (!c_to) {
- env->ReleaseStringUTFChars(j_from, c_from);
- cephThrowInternal(env, "Failed to pin memory.");
- return -1;
- }
-
- ldout(cct, 10) << "jni: rename: from " << c_from << " to " << c_to << dendl;
-
- ret = ceph_rename(cmount, c_from, c_to);
-
- ldout(cct, 10) << "jni: rename: exit ret " << ret << dendl;
-
- env->ReleaseStringUTFChars(j_from, c_from);
- env->ReleaseStringUTFChars(j_to, c_to);
-
- if (ret)
- handle_error(env, ret);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_mkdir
- * Signature: (JLjava/lang/String;I)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1mkdir
- (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path, jint j_mode)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- const char *c_path;
- int ret;
-
- CHECK_ARG_NULL(j_path, "@path is null", -1);
- CHECK_MOUNTED(cmount, -1);
-
- c_path = env->GetStringUTFChars(j_path, NULL);
- if (!c_path) {
- cephThrowInternal(env, "failed to pin memory");
- return -1;
- }
-
- ldout(cct, 10) << "jni: mkdir: path " << c_path << " mode " << (int)j_mode << dendl;
-
- ret = ceph_mkdir(cmount, c_path, (int)j_mode);
-
- ldout(cct, 10) << "jni: mkdir: exit ret " << ret << dendl;
-
- env->ReleaseStringUTFChars(j_path, c_path);
-
- if (ret)
- handle_error(env, ret);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_mkdirs
- * Signature: (JLjava/lang/String;I)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1mkdirs
- (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path, jint j_mode)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- const char *c_path;
- int ret;
-
- CHECK_ARG_NULL(j_path, "@path is null", -1);
- CHECK_MOUNTED(cmount, -1);
-
- c_path = env->GetStringUTFChars(j_path, NULL);
- if (!c_path) {
- cephThrowInternal(env, "failed to pin memory");
- return -1;
- }
-
- ldout(cct, 10) << "jni: mkdirs: path " << c_path << " mode " << (int)j_mode << dendl;
-
- ret = ceph_mkdirs(cmount, c_path, (int)j_mode);
-
- ldout(cct, 10) << "jni: mkdirs: exit ret " << ret << dendl;
-
- env->ReleaseStringUTFChars(j_path, c_path);
-
- if (ret)
- handle_error(env, ret);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_rmdir
- * Signature: (JLjava/lang/String;)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1rmdir
- (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- const char *c_path;
- int ret;
-
- CHECK_ARG_NULL(j_path, "@path is null", -1);
- CHECK_MOUNTED(cmount, -1);
-
- c_path = env->GetStringUTFChars(j_path, NULL);
- if (!c_path) {
- cephThrowInternal(env, "failed to pin memory");
- return -1;
- }
-
- ldout(cct, 10) << "jni: rmdir: path " << c_path << dendl;
-
- ret = ceph_rmdir(cmount, c_path);
-
- ldout(cct, 10) << "jni: rmdir: exit ret " << ret << dendl;
-
- env->ReleaseStringUTFChars(j_path, c_path);
-
- if (ret)
- handle_error(env, ret);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_readlink
- * Signature: (JLjava/lang/String;)Ljava/lang/String;
- */
-JNIEXPORT jstring JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1readlink
- (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- const char *c_path;
- char *linkname;
- struct ceph_statx stx;
- jstring j_linkname;
-
- CHECK_ARG_NULL(j_path, "@path is null", NULL);
- CHECK_MOUNTED(cmount, NULL);
-
- c_path = env->GetStringUTFChars(j_path, NULL);
- if (!c_path) {
- cephThrowInternal(env, "failed to pin memory");
- return NULL;
- }
-
- for (;;) {
- ldout(cct, 10) << "jni: readlink: lstatx " << c_path << dendl;
- int ret = ceph_statx(cmount, c_path, &stx, CEPH_STATX_SIZE,
- AT_SYMLINK_NOFOLLOW);
- ldout(cct, 10) << "jni: readlink: lstat exit ret " << ret << dendl;
- if (ret) {
- env->ReleaseStringUTFChars(j_path, c_path);
- handle_error(env, ret);
- return NULL;
- }
-
- linkname = new (std::nothrow) char[stx.stx_size + 1];
- if (!linkname) {
- env->ReleaseStringUTFChars(j_path, c_path);
- cephThrowOutOfMemory(env, "head allocation failed");
- return NULL;
- }
-
- ldout(cct, 10) << "jni: readlink: size " << stx.stx_size << " path " << c_path << dendl;
-
- ret = ceph_readlink(cmount, c_path, linkname, stx.stx_size + 1);
-
- ldout(cct, 10) << "jni: readlink: exit ret " << ret << dendl;
-
- if (ret < 0) {
- delete [] linkname;
- env->ReleaseStringUTFChars(j_path, c_path);
- handle_error(env, ret);
- return NULL;
- }
-
- /* re-stat and try again */
- if (ret > (int)stx.stx_size) {
- delete [] linkname;
- continue;
- }
-
- linkname[ret] = '\0';
- break;
- }
-
- env->ReleaseStringUTFChars(j_path, c_path);
-
- j_linkname = env->NewStringUTF(linkname);
- delete [] linkname;
-
- return j_linkname;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_symlink
- * Signature: (JLjava/lang/String;Ljava/lang/String;)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1symlink
- (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_oldpath, jstring j_newpath)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- const char *c_oldpath, *c_newpath;
- int ret;
-
- CHECK_ARG_NULL(j_oldpath, "@oldpath is null", -1);
- CHECK_ARG_NULL(j_newpath, "@newpath is null", -1);
- CHECK_MOUNTED(cmount, -1);
-
- c_oldpath = env->GetStringUTFChars(j_oldpath, NULL);
- if (!c_oldpath) {
- cephThrowInternal(env, "failed to pin memory");
- return -1;
- }
-
- c_newpath = env->GetStringUTFChars(j_newpath, NULL);
- if (!c_newpath) {
- env->ReleaseStringUTFChars(j_oldpath, c_oldpath);
- cephThrowInternal(env, "failed to pin memory");
- return -1;
- }
-
- ldout(cct, 10) << "jni: symlink: oldpath " << c_oldpath <<
- " newpath " << c_newpath << dendl;
-
- ret = ceph_symlink(cmount, c_oldpath, c_newpath);
-
- ldout(cct, 10) << "jni: symlink: exit ret " << ret << dendl;
-
- env->ReleaseStringUTFChars(j_oldpath, c_oldpath);
- env->ReleaseStringUTFChars(j_newpath, c_newpath);
-
- if (ret)
- handle_error(env, ret);
-
- return ret;
-}
-
-#define CEPH_J_CEPHSTAT_MASK (CEPH_STATX_UID|CEPH_STATX_GID|CEPH_STATX_SIZE|CEPH_STATX_BLOCKS|CEPH_STATX_MTIME|CEPH_STATX_ATIME)
-
-static void fill_cephstat(JNIEnv *env, jobject j_cephstat, struct ceph_statx *stx)
-{
- env->SetIntField(j_cephstat, cephstat_mode_fid, stx->stx_mode);
- env->SetIntField(j_cephstat, cephstat_uid_fid, stx->stx_uid);
- env->SetIntField(j_cephstat, cephstat_gid_fid, stx->stx_gid);
- env->SetLongField(j_cephstat, cephstat_size_fid, stx->stx_size);
- env->SetLongField(j_cephstat, cephstat_blksize_fid, stx->stx_blksize);
- env->SetLongField(j_cephstat, cephstat_blocks_fid, stx->stx_blocks);
-
- long long time = stx->stx_mtime.tv_sec;
- time *= 1000;
- time += stx->stx_mtime.tv_nsec / 1000000;
- env->SetLongField(j_cephstat, cephstat_m_time_fid, time);
-
- time = stx->stx_atime.tv_sec;
- time *= 1000;
- time += stx->stx_atime.tv_nsec / 1000000;
- env->SetLongField(j_cephstat, cephstat_a_time_fid, time);
-
- env->SetBooleanField(j_cephstat, cephstat_is_file_fid,
- S_ISREG(stx->stx_mode) ? JNI_TRUE : JNI_FALSE);
-
- env->SetBooleanField(j_cephstat, cephstat_is_directory_fid,
- S_ISDIR(stx->stx_mode) ? JNI_TRUE : JNI_FALSE);
-
- env->SetBooleanField(j_cephstat, cephstat_is_symlink_fid,
- S_ISLNK(stx->stx_mode) ? JNI_TRUE : JNI_FALSE);
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_lstat
- * Signature: (JLjava/lang/String;Lcom/ceph/fs/CephStat;)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1lstat
- (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path, jobject j_cephstat)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- const char *c_path;
- struct ceph_statx stx;
- int ret;
-
- CHECK_ARG_NULL(j_path, "@path is null", -1);
- CHECK_ARG_NULL(j_cephstat, "@stat is null", -1);
- CHECK_MOUNTED(cmount, -1);
-
- c_path = env->GetStringUTFChars(j_path, NULL);
- if (!c_path) {
- cephThrowInternal(env, "Failed to pin memory");
- return -1;
- }
-
- ldout(cct, 10) << "jni: lstat: path " << c_path << dendl;
-
- ret = ceph_statx(cmount, c_path, &stx, CEPH_J_CEPHSTAT_MASK, AT_SYMLINK_NOFOLLOW);
-
- ldout(cct, 10) << "jni: lstat exit ret " << ret << dendl;
-
- env->ReleaseStringUTFChars(j_path, c_path);
-
- if (ret) {
- handle_error(env, ret);
- return ret;
- }
-
- fill_cephstat(env, j_cephstat, &stx);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_stat
- * Signature: (JLjava/lang/String;Lcom/ceph/fs/CephStat;)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1stat
- (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path, jobject j_cephstat)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- const char *c_path;
- struct ceph_statx stx;
- int ret;
-
- CHECK_ARG_NULL(j_path, "@path is null", -1);
- CHECK_ARG_NULL(j_cephstat, "@stat is null", -1);
- CHECK_MOUNTED(cmount, -1);
-
- c_path = env->GetStringUTFChars(j_path, NULL);
- if (!c_path) {
- cephThrowInternal(env, "Failed to pin memory");
- return -1;
- }
-
- ldout(cct, 10) << "jni: lstat: path " << c_path << dendl;
-
- ret = ceph_statx(cmount, c_path, &stx, CEPH_J_CEPHSTAT_MASK, 0);
-
- ldout(cct, 10) << "jni: lstat exit ret " << ret << dendl;
-
- env->ReleaseStringUTFChars(j_path, c_path);
-
- if (ret) {
- handle_error(env, ret);
- return ret;
- }
-
- fill_cephstat(env, j_cephstat, &stx);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_setattr
- * Signature: (JLjava/lang/String;Lcom/ceph/fs/CephStat;I)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1setattr
- (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path, jobject j_cephstat, jint j_mask)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- const char *c_path;
- struct ceph_statx stx;
- int ret, mask = fixup_attr_mask(j_mask);
-
- CHECK_ARG_NULL(j_path, "@path is null", -1);
- CHECK_ARG_NULL(j_cephstat, "@stat is null", -1);
- CHECK_MOUNTED(cmount, -1);
-
- c_path = env->GetStringUTFChars(j_path, NULL);
- if (!c_path) {
- cephThrowInternal(env, "Failed to pin memory");
- return -1;
- }
-
- memset(&stx, 0, sizeof(stx));
-
- stx.stx_mode = env->GetIntField(j_cephstat, cephstat_mode_fid);
- stx.stx_uid = env->GetIntField(j_cephstat, cephstat_uid_fid);
- stx.stx_gid = env->GetIntField(j_cephstat, cephstat_gid_fid);
- stx.stx_mtime.tv_sec = env->GetLongField(j_cephstat, cephstat_m_time_fid);
- stx.stx_atime.tv_sec = env->GetLongField(j_cephstat, cephstat_a_time_fid);
-
- ldout(cct, 10) << "jni: setattr: path " << c_path << " mask " << mask << dendl;
-
- ret = ceph_setattrx(cmount, c_path, &stx, mask, 0);
-
- ldout(cct, 10) << "jni: setattr: exit ret " << ret << dendl;
-
- env->ReleaseStringUTFChars(j_path, c_path);
-
- if (ret)
- handle_error(env, ret);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_chmod
- * Signature: (JLjava/lang/String;I)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1chmod
- (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path, jint j_mode)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- const char *c_path;
- int ret;
-
- CHECK_ARG_NULL(j_path, "@path is null", -1);
- CHECK_MOUNTED(cmount, -1);
-
- c_path = env->GetStringUTFChars(j_path, NULL);
- if (!c_path) {
- cephThrowInternal(env, "Failed to pin memory");
- return -1;
- }
-
- ldout(cct, 10) << "jni: chmod: path " << c_path << " mode " << (int)j_mode << dendl;
-
- ret = ceph_chmod(cmount, c_path, (int)j_mode);
-
- ldout(cct, 10) << "jni: chmod: exit ret " << ret << dendl;
-
- env->ReleaseStringUTFChars(j_path, c_path);
-
- if (ret)
- handle_error(env, ret);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_fchmod
- * Signature: (JII)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1fchmod
- (JNIEnv *env, jclass clz, jlong j_mntp, jint j_fd, jint j_mode)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- int ret;
-
- CHECK_MOUNTED(cmount, -1);
-
- ldout(cct, 10) << "jni: fchmod: fd " << (int)j_fd << " mode " << (int)j_mode << dendl;
-
- ret = ceph_fchmod(cmount, (int)j_fd, (int)j_mode);
-
- ldout(cct, 10) << "jni: fchmod: exit ret " << ret << dendl;
-
- if (ret)
- handle_error(env, ret);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_truncate
- * Signature: (JLjava/lang/String;J)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1truncate
- (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path, jlong j_size)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- const char *c_path;
- int ret;
-
- CHECK_ARG_NULL(j_path, "@path is null", -1);
- CHECK_MOUNTED(cmount, -1);
-
- c_path = env->GetStringUTFChars(j_path, NULL);
- if (!c_path) {
- cephThrowInternal(env, "Failed to pin memory");
- return -1;
- }
-
- ldout(cct, 10) << "jni: truncate: path " << c_path << " size " << (loff_t)j_size << dendl;
-
- ret = ceph_truncate(cmount, c_path, (loff_t)j_size);
-
- ldout(cct, 10) << "jni: truncate: exit ret " << ret << dendl;
-
- env->ReleaseStringUTFChars(j_path, c_path);
-
- if (ret)
- handle_error(env, ret);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_open
- * Signature: (JLjava/lang/String;II)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1open
- (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path, jint j_flags, jint j_mode)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- const char *c_path;
- int ret, flags = fixup_open_flags(j_flags);
-
- CHECK_ARG_NULL(j_path, "@path is null", -1);
- CHECK_MOUNTED(cmount, -1);
-
- c_path = env->GetStringUTFChars(j_path, NULL);
- if (!c_path) {
- cephThrowInternal(env, "Failed to pin memory");
- return -1;
- }
-
- ldout(cct, 10) << "jni: open: path " << c_path << " flags " << flags
- << " mode " << (int)j_mode << dendl;
-
- ret = ceph_open(cmount, c_path, flags, (int)j_mode);
-
- ldout(cct, 10) << "jni: open: exit ret " << ret << dendl;
-
- env->ReleaseStringUTFChars(j_path, c_path);
-
- if (ret < 0)
- handle_error(env, ret);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_open_layout
- * Signature: (JLjava/lang/String;IIIIILjava/lang/String;)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1open_1layout
- (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path, jint j_flags, jint j_mode,
- jint stripe_unit, jint stripe_count, jint object_size, jstring j_data_pool)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- const char *c_path, *c_data_pool = NULL;
- int ret, flags = fixup_open_flags(j_flags);
-
- CHECK_ARG_NULL(j_path, "@path is null", -1);
- CHECK_MOUNTED(cmount, -1);
-
- c_path = env->GetStringUTFChars(j_path, NULL);
- if (!c_path) {
- cephThrowInternal(env, "Failed to pin memory");
- return -1;
- }
-
- if (j_data_pool) {
- c_data_pool = env->GetStringUTFChars(j_data_pool, NULL);
- if (!c_data_pool) {
- env->ReleaseStringUTFChars(j_path, c_path);
- cephThrowInternal(env, "Failed to pin memory");
- return -1;
- }
- }
-
- ldout(cct, 10) << "jni: open_layout: path " << c_path << " flags " << flags
- << " mode " << (int)j_mode << " stripe_unit " << stripe_unit
- << " stripe_count " << stripe_count << " object_size " << object_size
- << " data_pool " << (c_data_pool ? c_data_pool : "<NULL>") << dendl;
-
- ret = ceph_open_layout(cmount, c_path, flags, (int)j_mode,
- (int)stripe_unit, (int)stripe_count, (int)object_size, c_data_pool);
-
- ldout(cct, 10) << "jni: open_layout: exit ret " << ret << dendl;
-
- env->ReleaseStringUTFChars(j_path, c_path);
- if (j_data_pool)
- env->ReleaseStringUTFChars(j_data_pool, c_data_pool);
-
- if (ret < 0)
- handle_error(env, ret);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_close
- * Signature: (JI)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1close
- (JNIEnv *env, jclass clz, jlong j_mntp, jint j_fd)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- int ret;
-
- CHECK_MOUNTED(cmount, -1);
-
- ldout(cct, 10) << "jni: close: fd " << (int)j_fd << dendl;
-
- ret = ceph_close(cmount, (int)j_fd);
-
- ldout(cct, 10) << "jni: close: ret " << ret << dendl;
-
- if (ret)
- handle_error(env, ret);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_lseek
- * Signature: (JIJI)J
- */
-JNIEXPORT jlong JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1lseek
- (JNIEnv *env, jclass clz, jlong j_mntp, jint j_fd, jlong j_offset, jint j_whence)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- int whence;
- jlong ret;
-
- CHECK_MOUNTED(cmount, -1);
-
- switch (j_whence) {
- case JAVA_SEEK_SET:
- whence = SEEK_SET;
- break;
- case JAVA_SEEK_CUR:
- whence = SEEK_CUR;
- break;
- case JAVA_SEEK_END:
- whence = SEEK_END;
- break;
- default:
- cephThrowIllegalArg(env, "Unknown whence value");
- return -1;
- }
-
- ldout(cct, 10) << "jni: lseek: fd " << (int)j_fd << " offset "
- << (long)j_offset << " whence " << whence << dendl;
-
- ret = ceph_lseek(cmount, (int)j_fd, (long)j_offset, whence);
-
- ldout(cct, 10) << "jni: lseek: exit ret " << ret << dendl;
-
- if (ret < 0)
- handle_error(env, ret);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_read
- * Signature: (JI[BJJ)J
- */
-JNIEXPORT jlong JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1read
- (JNIEnv *env, jclass clz, jlong j_mntp, jint j_fd, jbyteArray j_buf, jlong j_size, jlong j_offset)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- jsize buf_size;
- jbyte *c_buf;
- long ret;
-
- CHECK_ARG_NULL(j_buf, "@buf is null", -1);
- CHECK_ARG_BOUNDS(j_size < 0, "@size is negative", -1);
- CHECK_MOUNTED(cmount, -1);
-
- buf_size = env->GetArrayLength(j_buf);
- CHECK_ARG_BOUNDS(j_size > buf_size, "@size > @buf.length", -1);
-
- c_buf = env->GetByteArrayElements(j_buf, NULL);
- if (!c_buf) {
- cephThrowInternal(env, "failed to pin memory");
- return -1;
- }
-
- ldout(cct, 10) << "jni: read: fd " << (int)j_fd << " len " << (long)j_size <<
- " offset " << (long)j_offset << dendl;
-
- ret = ceph_read(cmount, (int)j_fd, (char*)c_buf, (long)j_size, (long)j_offset);
-
- ldout(cct, 10) << "jni: read: exit ret " << ret << dendl;
-
- if (ret < 0)
- handle_error(env, (int)ret);
- else
- env->ReleaseByteArrayElements(j_buf, c_buf, 0);
-
- return (jlong)ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_write
- * Signature: (JI[BJJ)J
- */
-JNIEXPORT jlong JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1write
- (JNIEnv *env, jclass clz, jlong j_mntp, jint j_fd, jbyteArray j_buf, jlong j_size, jlong j_offset)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- jsize buf_size;
- jbyte *c_buf;
- long ret;
-
- CHECK_ARG_NULL(j_buf, "@buf is null", -1);
- CHECK_ARG_BOUNDS(j_size < 0, "@size is negative", -1);
- CHECK_MOUNTED(cmount, -1);
-
- buf_size = env->GetArrayLength(j_buf);
- CHECK_ARG_BOUNDS(j_size > buf_size, "@size > @buf.length", -1);
-
- c_buf = env->GetByteArrayElements(j_buf, NULL);
- if (!c_buf) {
- cephThrowInternal(env, "failed to pin memory");
- return -1;
- }
-
- ldout(cct, 10) << "jni: write: fd " << (int)j_fd << " len " << (long)j_size <<
- " offset " << (long)j_offset << dendl;
-
- ret = ceph_write(cmount, (int)j_fd, (char*)c_buf, (long)j_size, (long)j_offset);
-
- ldout(cct, 10) << "jni: write: exit ret " << ret << dendl;
-
- if (ret < 0)
- handle_error(env, (int)ret);
- else
- env->ReleaseByteArrayElements(j_buf, c_buf, JNI_ABORT);
-
- return ret;
-}
-
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_ftruncate
- * Signature: (JIJ)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1ftruncate
- (JNIEnv *env, jclass clz, jlong j_mntp, jint j_fd, jlong j_size)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- int ret;
-
- CHECK_MOUNTED(cmount, -1);
-
- ldout(cct, 10) << "jni: ftruncate: fd " << (int)j_fd <<
- " size " << (loff_t)j_size << dendl;
-
- ret = ceph_ftruncate(cmount, (int)j_fd, (loff_t)j_size);
-
- ldout(cct, 10) << "jni: ftruncate: exit ret " << ret << dendl;
-
- if (ret)
- handle_error(env, ret);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_fsync
- * Signature: (JIZ)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1fsync
- (JNIEnv *env, jclass clz, jlong j_mntp, jint j_fd, jboolean j_dataonly)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- int ret;
-
- ldout(cct, 10) << "jni: fsync: fd " << (int)j_fd <<
- " dataonly " << (j_dataonly ? 1 : 0) << dendl;
-
- ret = ceph_fsync(cmount, (int)j_fd, j_dataonly ? 1 : 0);
-
- ldout(cct, 10) << "jni: fsync: exit ret " << ret << dendl;
-
- if (ret)
- handle_error(env, ret);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_flock
- * Signature: (JIZ)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1flock
- (JNIEnv *env, jclass clz, jlong j_mntp, jint j_fd, jint j_operation, jlong j_owner)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- int ret;
-
- ldout(cct, 10) << "jni: flock: fd " << (int)j_fd <<
- " operation " << j_operation << " owner " << j_owner << dendl;
-
- int operation = 0;
-
-#define MAP_FLOCK_FLAG(JNI_MASK, NATIVE_MASK) do { \
- if ((j_operation & JNI_MASK) != 0) { \
- operation |= NATIVE_MASK; \
- j_operation &= ~JNI_MASK; \
- } \
- } while(0)
- MAP_FLOCK_FLAG(JAVA_LOCK_SH, LOCK_SH);
- MAP_FLOCK_FLAG(JAVA_LOCK_EX, LOCK_EX);
- MAP_FLOCK_FLAG(JAVA_LOCK_NB, LOCK_NB);
- MAP_FLOCK_FLAG(JAVA_LOCK_UN, LOCK_UN);
- if (j_operation != 0) {
- cephThrowIllegalArg(env, "flock flags");
- return -EINVAL;
- }
-#undef MAP_FLOCK_FLAG
-
- ret = ceph_flock(cmount, (int)j_fd, operation, (uint64_t) j_owner);
-
- ldout(cct, 10) << "jni: flock: exit ret " << ret << dendl;
-
- if (ret)
- handle_error(env, ret);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_fstat
- * Signature: (JILcom/ceph/fs/CephStat;)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1fstat
- (JNIEnv *env, jclass clz, jlong j_mntp, jint j_fd, jobject j_cephstat)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- struct ceph_statx stx;
- int ret;
-
- CHECK_ARG_NULL(j_cephstat, "@stat is null", -1);
- CHECK_MOUNTED(cmount, -1);
-
- ldout(cct, 10) << "jni: fstat: fd " << (int)j_fd << dendl;
-
- ret = ceph_fstatx(cmount, (int)j_fd, &stx, CEPH_J_CEPHSTAT_MASK, 0);
-
- ldout(cct, 10) << "jni: fstat exit ret " << ret << dendl;
-
- if (ret) {
- handle_error(env, ret);
- return ret;
- }
-
- fill_cephstat(env, j_cephstat, &stx);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_sync_fs
- * Signature: (J)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1sync_1fs
- (JNIEnv *env, jclass clz, jlong j_mntp)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- int ret;
-
- ldout(cct, 10) << "jni: sync_fs: enter" << dendl;
-
- ret = ceph_sync_fs(cmount);
-
- ldout(cct, 10) << "jni: sync_fs: exit ret " << ret << dendl;
-
- if (ret)
- handle_error(env, ret);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_getxattr
- * Signature: (JLjava/lang/String;Ljava/lang/String;[B)J
- */
-JNIEXPORT jlong JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1getxattr
- (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path, jstring j_name, jbyteArray j_buf)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- const char *c_path;
- const char *c_name;
- jsize buf_size;
- jbyte *c_buf = NULL; /* please gcc with goto */
- long ret;
-
- CHECK_ARG_NULL(j_path, "@path is null", -1);
- CHECK_ARG_NULL(j_name, "@name is null", -1);
- CHECK_MOUNTED(cmount, -1);
-
- c_path = env->GetStringUTFChars(j_path, NULL);
- if (!c_path) {
- cephThrowInternal(env, "Failed to pin memory");
- return -1;
- }
-
- c_name = env->GetStringUTFChars(j_name, NULL);
- if (!c_name) {
- env->ReleaseStringUTFChars(j_path, c_path);
- cephThrowInternal(env, "Failed to pin memory");
- return -1;
- }
-
- /* just lookup the size if buf is null */
- if (!j_buf) {
- buf_size = 0;
- goto do_getxattr;
- }
-
- c_buf = env->GetByteArrayElements(j_buf, NULL);
- if (!c_buf) {
- env->ReleaseStringUTFChars(j_path, c_path);
- env->ReleaseStringUTFChars(j_name, c_name);
- cephThrowInternal(env, "failed to pin memory");
- return -1;
- }
-
- buf_size = env->GetArrayLength(j_buf);
-
-do_getxattr:
-
- ldout(cct, 10) << "jni: getxattr: path " << c_path << " name " << c_name <<
- " len " << buf_size << dendl;
-
- ret = ceph_getxattr(cmount, c_path, c_name, c_buf, buf_size);
- if (ret == -ERANGE)
- ret = ceph_getxattr(cmount, c_path, c_name, c_buf, 0);
-
- ldout(cct, 10) << "jni: getxattr: exit ret " << ret << dendl;
-
- env->ReleaseStringUTFChars(j_path, c_path);
- env->ReleaseStringUTFChars(j_name, c_name);
- if (j_buf)
- env->ReleaseByteArrayElements(j_buf, c_buf, 0);
-
- if (ret < 0)
- handle_error(env, (int)ret);
-
- return (jlong)ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_lgetxattr
- * Signature: (JLjava/lang/String;Ljava/lang/String;[B)I
- */
-JNIEXPORT jlong JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1lgetxattr
- (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path, jstring j_name, jbyteArray j_buf)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- const char *c_path;
- const char *c_name;
- jsize buf_size;
- jbyte *c_buf = NULL; /* please gcc with goto */
- long ret;
-
- CHECK_ARG_NULL(j_path, "@path is null", -1);
- CHECK_ARG_NULL(j_name, "@name is null", -1);
- CHECK_MOUNTED(cmount, -1);
-
- c_path = env->GetStringUTFChars(j_path, NULL);
- if (!c_path) {
- cephThrowInternal(env, "Failed to pin memory");
- return -1;
- }
-
- c_name = env->GetStringUTFChars(j_name, NULL);
- if (!c_name) {
- env->ReleaseStringUTFChars(j_path, c_path);
- cephThrowInternal(env, "Failed to pin memory");
- return -1;
- }
-
- /* just lookup the size if buf is null */
- if (!j_buf) {
- buf_size = 0;
- goto do_lgetxattr;
- }
-
- c_buf = env->GetByteArrayElements(j_buf, NULL);
- if (!c_buf) {
- env->ReleaseStringUTFChars(j_path, c_path);
- env->ReleaseStringUTFChars(j_name, c_name);
- cephThrowInternal(env, "failed to pin memory");
- return -1;
- }
-
- buf_size = env->GetArrayLength(j_buf);
-
-do_lgetxattr:
-
- ldout(cct, 10) << "jni: lgetxattr: path " << c_path << " name " << c_name <<
- " len " << buf_size << dendl;
-
- ret = ceph_lgetxattr(cmount, c_path, c_name, c_buf, buf_size);
- if (ret == -ERANGE)
- ret = ceph_lgetxattr(cmount, c_path, c_name, c_buf, 0);
-
- ldout(cct, 10) << "jni: lgetxattr: exit ret " << ret << dendl;
-
- env->ReleaseStringUTFChars(j_path, c_path);
- env->ReleaseStringUTFChars(j_name, c_name);
- if (j_buf)
- env->ReleaseByteArrayElements(j_buf, c_buf, 0);
-
- if (ret < 0)
- handle_error(env, (int)ret);
-
- return (jlong)ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_listxattr
- * Signature: (JLjava/lang/String;)[Ljava/lang/String;
- */
-JNIEXPORT jobjectArray JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1listxattr
- (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- jobjectArray xattrlist;
- const char *c_path;
- string *ent;
- jstring name;
- list<string>::iterator it;
- list<string> contents;
- int ret, buflen, bufpos, i;
- char *buf;
-
- CHECK_ARG_NULL(j_path, "@path is null", NULL);
- CHECK_MOUNTED(cmount, NULL);
-
- c_path = env->GetStringUTFChars(j_path, NULL);
- if (!c_path) {
- cephThrowInternal(env, "Failed to pin memory");
- return NULL;
- }
-
- buflen = 1024;
- buf = new (std::nothrow) char[buflen];
- if (!buf) {
- cephThrowOutOfMemory(env, "head allocation failed");
- goto out;
- }
-
- while (1) {
- ldout(cct, 10) << "jni: listxattr: path " << c_path << " len " << buflen << dendl;
- ret = ceph_listxattr(cmount, c_path, buf, buflen);
- if (ret == -ERANGE) {
- delete [] buf;
- buflen *= 2;
- buf = new (std::nothrow) char[buflen];
- if (!buf) {
- cephThrowOutOfMemory(env, "heap allocation failed");
- goto out;
- }
- continue;
- }
- break;
- }
-
- ldout(cct, 10) << "jni: listxattr: ret " << ret << dendl;
-
- if (ret < 0) {
- delete [] buf;
- handle_error(env, ret);
- goto out;
- }
-
- bufpos = 0;
- while (bufpos < ret) {
- ent = new (std::nothrow) string(buf + bufpos);
- if (!ent) {
- delete [] buf;
- cephThrowOutOfMemory(env, "heap allocation failed");
- goto out;
- }
- contents.push_back(*ent);
- bufpos += ent->size() + 1;
- delete ent;
- }
-
- delete [] buf;
-
- xattrlist = env->NewObjectArray(contents.size(), env->FindClass("java/lang/String"), NULL);
- if (!xattrlist)
- goto out;
-
- for (i = 0, it = contents.begin(); it != contents.end(); ++it) {
- name = env->NewStringUTF(it->c_str());
- if (!name)
- goto out;
- env->SetObjectArrayElement(xattrlist, i++, name);
- if (env->ExceptionOccurred())
- goto out;
- env->DeleteLocalRef(name);
- }
-
- env->ReleaseStringUTFChars(j_path, c_path);
- return xattrlist;
-
-out:
- env->ReleaseStringUTFChars(j_path, c_path);
- return NULL;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_llistxattr
- * Signature: (JLjava/lang/String;)[Ljava/lang/String;
- */
-JNIEXPORT jobjectArray JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1llistxattr
- (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- jobjectArray xattrlist;
- const char *c_path;
- string *ent;
- jstring name;
- list<string>::iterator it;
- list<string> contents;
- int ret, buflen, bufpos, i;
- char *buf;
-
- CHECK_ARG_NULL(j_path, "@path is null", NULL);
- CHECK_MOUNTED(cmount, NULL);
-
- c_path = env->GetStringUTFChars(j_path, NULL);
- if (!c_path) {
- cephThrowInternal(env, "Failed to pin memory");
- return NULL;
- }
-
- buflen = 1024;
- buf = new (std::nothrow) char[buflen];
- if (!buf) {
- cephThrowOutOfMemory(env, "head allocation failed");
- goto out;
- }
-
- while (1) {
- ldout(cct, 10) << "jni: llistxattr: path " << c_path << " len " << buflen << dendl;
- ret = ceph_llistxattr(cmount, c_path, buf, buflen);
- if (ret == -ERANGE) {
- delete [] buf;
- buflen *= 2;
- buf = new (std::nothrow) char[buflen];
- if (!buf) {
- cephThrowOutOfMemory(env, "heap allocation failed");
- goto out;
- }
- continue;
- }
- break;
- }
-
- ldout(cct, 10) << "jni: llistxattr: ret " << ret << dendl;
-
- if (ret < 0) {
- delete [] buf;
- handle_error(env, ret);
- goto out;
- }
-
- bufpos = 0;
- while (bufpos < ret) {
- ent = new (std::nothrow) string(buf + bufpos);
- if (!ent) {
- delete [] buf;
- cephThrowOutOfMemory(env, "heap allocation failed");
- goto out;
- }
- contents.push_back(*ent);
- bufpos += ent->size() + 1;
- delete ent;
- }
-
- delete [] buf;
-
- xattrlist = env->NewObjectArray(contents.size(), env->FindClass("java/lang/String"), NULL);
- if (!xattrlist)
- goto out;
-
- for (i = 0, it = contents.begin(); it != contents.end(); ++it) {
- name = env->NewStringUTF(it->c_str());
- if (!name)
- goto out;
- env->SetObjectArrayElement(xattrlist, i++, name);
- if (env->ExceptionOccurred())
- goto out;
- env->DeleteLocalRef(name);
- }
-
- env->ReleaseStringUTFChars(j_path, c_path);
- return xattrlist;
-
-out:
- env->ReleaseStringUTFChars(j_path, c_path);
- return NULL;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_removexattr
- * Signature: (JLjava/lang/String;Ljava/lang/String;)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1removexattr
- (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path, jstring j_name)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- const char *c_path;
- const char *c_name;
- int ret;
-
- CHECK_ARG_NULL(j_path, "@path is null", -1);
- CHECK_ARG_NULL(j_name, "@name is null", -1);
- CHECK_MOUNTED(cmount, -1);
-
- c_path = env->GetStringUTFChars(j_path, NULL);
- if (!c_path) {
- cephThrowInternal(env, "Failed to pin memory");
- return -1;
- }
-
- c_name = env->GetStringUTFChars(j_name, NULL);
- if (!c_name) {
- env->ReleaseStringUTFChars(j_path, c_path);
- cephThrowInternal(env, "Failed to pin memory");
- return -1;
- }
-
- ldout(cct, 10) << "jni: removexattr: path " << c_path << " name " << c_name << dendl;
-
- ret = ceph_removexattr(cmount, c_path, c_name);
-
- ldout(cct, 10) << "jni: removexattr: exit ret " << ret << dendl;
-
- env->ReleaseStringUTFChars(j_path, c_path);
- env->ReleaseStringUTFChars(j_name, c_name);
-
- if (ret)
- handle_error(env, ret);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_lremovexattr
- * Signature: (JLjava/lang/String;Ljava/lang/String;)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1lremovexattr
- (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path, jstring j_name)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- const char *c_path;
- const char *c_name;
- int ret;
-
- CHECK_ARG_NULL(j_path, "@path is null", -1);
- CHECK_ARG_NULL(j_name, "@name is null", -1);
- CHECK_MOUNTED(cmount, -1);
-
- c_path = env->GetStringUTFChars(j_path, NULL);
- if (!c_path) {
- cephThrowInternal(env, "Failed to pin memory");
- return -1;
- }
-
- c_name = env->GetStringUTFChars(j_name, NULL);
- if (!c_name) {
- env->ReleaseStringUTFChars(j_path, c_path);
- cephThrowInternal(env, "Failed to pin memory");
- return -1;
- }
-
- ldout(cct, 10) << "jni: lremovexattr: path " << c_path << " name " << c_name << dendl;
-
- ret = ceph_lremovexattr(cmount, c_path, c_name);
-
- ldout(cct, 10) << "jni: lremovexattr: exit ret " << ret << dendl;
-
- env->ReleaseStringUTFChars(j_path, c_path);
- env->ReleaseStringUTFChars(j_name, c_name);
-
- if (ret)
- handle_error(env, ret);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_setxattr
- * Signature: (JLjava/lang/String;Ljava/lang/String;[BJI)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1setxattr
- (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path, jstring j_name,
- jbyteArray j_buf, jlong j_size, jint j_flags)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- const char *c_path;
- const char *c_name;
- jsize buf_size;
- jbyte *c_buf;
- int ret, flags;
-
- CHECK_ARG_NULL(j_path, "@path is null", -1);
- CHECK_ARG_NULL(j_name, "@name is null", -1);
- CHECK_ARG_NULL(j_buf, "@buf is null", -1);
- CHECK_ARG_BOUNDS(j_size < 0, "@size is negative", -1);
- CHECK_MOUNTED(cmount, -1);
-
- buf_size = env->GetArrayLength(j_buf);
- CHECK_ARG_BOUNDS(j_size > buf_size, "@size > @buf.length", -1);
-
- c_path = env->GetStringUTFChars(j_path, NULL);
- if (!c_path) {
- cephThrowInternal(env, "Failed to pin memory");
- return -1;
- }
-
- c_name = env->GetStringUTFChars(j_name, NULL);
- if (!c_name) {
- env->ReleaseStringUTFChars(j_path, c_path);
- cephThrowInternal(env, "Failed to pin memory");
- return -1;
- }
-
- c_buf = env->GetByteArrayElements(j_buf, NULL);
- if (!c_buf) {
- env->ReleaseStringUTFChars(j_path, c_path);
- env->ReleaseStringUTFChars(j_name, c_name);
- cephThrowInternal(env, "failed to pin memory");
- return -1;
- }
-
- switch (j_flags) {
- case JAVA_XATTR_CREATE:
- flags = CEPH_XATTR_CREATE;
- break;
- case JAVA_XATTR_REPLACE:
- flags = CEPH_XATTR_REPLACE;
- break;
- case JAVA_XATTR_NONE:
- flags = 0;
- break;
- default:
- env->ReleaseStringUTFChars(j_path, c_path);
- env->ReleaseStringUTFChars(j_name, c_name);
- env->ReleaseByteArrayElements(j_buf, c_buf, JNI_ABORT);
- cephThrowIllegalArg(env, "setxattr flag");
- return -1;
- }
-
- ldout(cct, 10) << "jni: setxattr: path " << c_path << " name " << c_name
- << " len " << j_size << " flags " << flags << dendl;
-
- ret = ceph_setxattr(cmount, c_path, c_name, c_buf, j_size, flags);
-
- ldout(cct, 10) << "jni: setxattr: exit ret " << ret << dendl;
-
- env->ReleaseStringUTFChars(j_path, c_path);
- env->ReleaseStringUTFChars(j_name, c_name);
- env->ReleaseByteArrayElements(j_buf, c_buf, JNI_ABORT);
-
- if (ret)
- handle_error(env, ret);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_lsetxattr
- * Signature: (JLjava/lang/String;Ljava/lang/String;[BJI)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1lsetxattr
- (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path, jstring j_name,
- jbyteArray j_buf, jlong j_size, jint j_flags)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- const char *c_path;
- const char *c_name;
- jsize buf_size;
- jbyte *c_buf;
- int ret, flags;
-
- CHECK_ARG_NULL(j_path, "@path is null", -1);
- CHECK_ARG_NULL(j_name, "@name is null", -1);
- CHECK_ARG_NULL(j_buf, "@buf is null", -1);
- CHECK_ARG_BOUNDS(j_size < 0, "@size is negative", -1);
- CHECK_MOUNTED(cmount, -1);
-
- buf_size = env->GetArrayLength(j_buf);
- CHECK_ARG_BOUNDS(j_size > buf_size, "@size > @buf.length", -1);
-
- c_path = env->GetStringUTFChars(j_path, NULL);
- if (!c_path) {
- cephThrowInternal(env, "Failed to pin memory");
- return -1;
- }
-
- c_name = env->GetStringUTFChars(j_name, NULL);
- if (!c_name) {
- env->ReleaseStringUTFChars(j_path, c_path);
- cephThrowInternal(env, "Failed to pin memory");
- return -1;
- }
-
- c_buf = env->GetByteArrayElements(j_buf, NULL);
- if (!c_buf) {
- env->ReleaseStringUTFChars(j_path, c_path);
- env->ReleaseStringUTFChars(j_name, c_name);
- cephThrowInternal(env, "failed to pin memory");
- return -1;
- }
-
- switch (j_flags) {
- case JAVA_XATTR_CREATE:
- flags = CEPH_XATTR_CREATE;
- break;
- case JAVA_XATTR_REPLACE:
- flags = CEPH_XATTR_REPLACE;
- break;
- case JAVA_XATTR_NONE:
- flags = 0;
- break;
- default:
- env->ReleaseStringUTFChars(j_path, c_path);
- env->ReleaseStringUTFChars(j_name, c_name);
- env->ReleaseByteArrayElements(j_buf, c_buf, JNI_ABORT);
- cephThrowIllegalArg(env, "lsetxattr flag");
- return -1;
- }
-
- ldout(cct, 10) << "jni: lsetxattr: path " << c_path << " name " << c_name
- << " len " << j_size << " flags " << flags << dendl;
-
- ret = ceph_lsetxattr(cmount, c_path, c_name, c_buf, j_size, flags);
-
- ldout(cct, 10) << "jni: lsetxattr: exit ret " << ret << dendl;
-
- env->ReleaseStringUTFChars(j_path, c_path);
- env->ReleaseStringUTFChars(j_name, c_name);
- env->ReleaseByteArrayElements(j_buf, c_buf, JNI_ABORT);
-
- if (ret)
- handle_error(env, ret);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_get_file_stripe_unit
- * Signature: (JI)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1get_1file_1stripe_1unit
- (JNIEnv *env, jclass clz, jlong j_mntp, jint j_fd)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- int ret;
-
- CHECK_MOUNTED(cmount, -1);
-
- ldout(cct, 10) << "jni: get_file_stripe_unit: fd " << (int)j_fd << dendl;
-
- ret = ceph_get_file_stripe_unit(cmount, (int)j_fd);
-
- ldout(cct, 10) << "jni: get_file_stripe_unit: exit ret " << ret << dendl;
-
- if (ret < 0)
- handle_error(env, ret);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_get_file_replication
- * Signature: (JI)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1get_1file_1replication
- (JNIEnv *env, jclass clz, jlong j_mntp, jint j_fd)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- int ret;
-
- CHECK_MOUNTED(cmount, -1);
-
- ldout(cct, 10) << "jni: get_file_replication: fd " << (int)j_fd << dendl;
-
- ret = ceph_get_file_replication(cmount, (int)j_fd);
-
- ldout(cct, 10) << "jni: get_file_replication: exit ret " << ret << dendl;
-
- if (ret < 0)
- handle_error(env, ret);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_get_file_pool_name
- * Signature: (JI)Ljava/lang/String;
- */
-JNIEXPORT jstring JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1get_1file_1pool_1name
- (JNIEnv *env, jclass clz, jlong j_mntp, jint j_fd)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- jstring pool = NULL;
- int ret, buflen = 0;
- char *buf = NULL;
-
- CHECK_MOUNTED(cmount, NULL);
-
- ldout(cct, 10) << "jni: get_file_pool_name: fd " << (int)j_fd << dendl;
-
- for (;;) {
- /* get pool name length (len==0) */
- ret = ceph_get_file_pool_name(cmount, (int)j_fd, NULL, 0);
- if (ret < 0)
- break;
-
- /* allocate buffer */
- if (buf)
- delete [] buf;
- buflen = ret;
- buf = new (std::nothrow) char[buflen+1]; /* +1 for '\0' */
- if (!buf) {
- cephThrowOutOfMemory(env, "head allocation failed");
- goto out;
- }
- memset(buf, 0, (buflen+1)*sizeof(*buf));
-
- /* handle zero-length pool name!? */
- if (buflen == 0)
- break;
-
- /* fill buffer */
- ret = ceph_get_file_pool_name(cmount, (int)j_fd, buf, buflen);
- if (ret == -ERANGE) /* size changed! */
- continue;
- else
- break;
- }
-
- ldout(cct, 10) << "jni: get_file_pool_name: ret " << ret << dendl;
-
- if (ret < 0)
- handle_error(env, ret);
- else
- pool = env->NewStringUTF(buf);
-
-out:
- if (buf)
- delete [] buf;
-
- return pool;
-}
-
-/**
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_get_default_data_pool_name
- * Signature: (J)Ljava/lang/String;
- */
-JNIEXPORT jstring JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1get_1default_1data_1pool_1name
- (JNIEnv *env, jclass clz, jlong j_mntp)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- jstring pool = NULL;
- int ret, buflen = 0;
- char *buf = NULL;
-
- CHECK_MOUNTED(cmount, NULL);
-
- ldout(cct, 10) << "jni: get_default_data_pool_name" << dendl;
-
- ret = ceph_get_default_data_pool_name(cmount, NULL, 0);
- if (ret < 0)
- goto out;
- buflen = ret;
- buf = new (std::nothrow) char[buflen+1]; /* +1 for '\0' */
- if (!buf) {
- cephThrowOutOfMemory(env, "head allocation failed");
- goto out;
- }
- memset(buf, 0, (buflen+1)*sizeof(*buf));
- ret = ceph_get_default_data_pool_name(cmount, buf, buflen);
-
- ldout(cct, 10) << "jni: get_default_data_pool_name: ret " << ret << dendl;
-
- if (ret < 0)
- handle_error(env, ret);
- else
- pool = env->NewStringUTF(buf);
-
-out:
- if (buf)
- delete [] buf;
-
- return pool;
-}
-
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_localize_reads
- * Signature: (JZ)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1localize_1reads
- (JNIEnv *env, jclass clz, jlong j_mntp, jboolean j_on)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- int ret, val = j_on ? 1 : 0;
-
- CHECK_MOUNTED(cmount, -1);
-
- ldout(cct, 10) << "jni: localize_reads: val " << val << dendl;
-
- ret = ceph_localize_reads(cmount, val);
-
- ldout(cct, 10) << "jni: localize_reads: exit ret " << ret << dendl;
-
- if (ret)
- handle_error(env, ret);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_get_stripe_unit_granularity
- * Signature: (J)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1get_1stripe_1unit_1granularity
- (JNIEnv *env, jclass clz, jlong j_mntp)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- int ret;
-
- CHECK_MOUNTED(cmount, -1);
-
- ldout(cct, 10) << "jni: get_stripe_unit_granularity" << dendl;
-
- ret = ceph_get_stripe_unit_granularity(cmount);
-
- ldout(cct, 10) << "jni: get_stripe_unit_granularity: exit ret " << ret << dendl;
-
- if (ret < 0)
- handle_error(env, ret);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_get_pool_id
- * Signature: (JLjava/lang/String;)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1get_1pool_1id
- (JNIEnv *env, jclass clz, jlong j_mntp, jstring jname)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- const char *c_name;
- int ret;
-
- CHECK_MOUNTED(cmount, -1);
- CHECK_ARG_NULL(jname, "@name is null", -1);
-
- c_name = env->GetStringUTFChars(jname, NULL);
- if (!c_name) {
- cephThrowInternal(env, "failed to pin memory");
- return -1;
- }
-
- ldout(cct, 10) << "jni: get_pool_id: name " << c_name << dendl;
-
- ret = ceph_get_pool_id(cmount, c_name);
- if (ret < 0)
- handle_error(env, ret);
-
- ldout(cct, 10) << "jni: get_pool_id: ret " << ret << dendl;
-
- env->ReleaseStringUTFChars(jname, c_name);
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_get_pool_replication
- * Signature: (JI)I
- */
-JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1get_1pool_1replication
- (JNIEnv *env, jclass clz, jlong j_mntp, jint jpoolid)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- int ret;
-
- CHECK_MOUNTED(cmount, -1);
-
- ldout(cct, 10) << "jni: get_pool_replication: poolid " << jpoolid << dendl;
-
- ret = ceph_get_pool_replication(cmount, jpoolid);
- if (ret < 0)
- handle_error(env, ret);
-
- ldout(cct, 10) << "jni: get_pool_replication: ret " << ret << dendl;
-
- return ret;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_get_file_extent_osds
- * Signature: (JIJ)Lcom/ceph/fs/CephFileExtent;
- */
-JNIEXPORT jobject JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1get_1file_1extent_1osds
- (JNIEnv *env, jclass clz, jlong mntp, jint fd, jlong off)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- jobject extent = NULL;
- int ret, nosds, *osds = NULL;
- jintArray osd_array;
- loff_t len;
-
- CHECK_MOUNTED(cmount, NULL);
-
- ldout(cct, 10) << "jni: get_file_extent_osds: fd " << fd << " off " << off << dendl;
-
- for (;;) {
- /* get pg size */
- ret = ceph_get_file_extent_osds(cmount, fd, off, NULL, NULL, 0);
- if (ret < 0)
- break;
-
- /* alloc osd id array */
- if (osds)
- delete [] osds;
- nosds = ret;
- osds = new int[nosds];
-
- /* get osd ids */
- ret = ceph_get_file_extent_osds(cmount, fd, off, &len, osds, nosds);
- if (ret == -ERANGE)
- continue;
- else
- break;
- }
-
- ldout(cct, 10) << "jni: get_file_extent_osds: ret " << ret << dendl;
-
- if (ret < 0) {
- handle_error(env, ret);
- goto out;
- }
-
- nosds = ret;
-
- osd_array = env->NewIntArray(nosds);
- if (!osd_array)
- goto out;
-
- env->SetIntArrayRegion(osd_array, 0, nosds, osds);
- if (env->ExceptionOccurred())
- goto out;
-
- extent = env->NewObject(cephfileextent_cls, cephfileextent_ctor_fid, off, len, osd_array);
- if (!extent)
- goto out;
-
-out:
- if (osds)
- delete [] osds;
-
- return extent;
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_get_osd_crush_location
- * Signature: (JI)[Ljava/lang/String;
- */
-JNIEXPORT jobjectArray JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1get_1osd_1crush_1location
- (JNIEnv *env, jclass clz, jlong j_mntp, jint osdid)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- jobjectArray path = NULL;
- vector<string> str_path;
- int ret, bufpos, buflen = 0;
- char *buf = NULL;
-
- CHECK_MOUNTED(cmount, NULL);
-
- ldout(cct, 10) << "jni: osd loc: osd " << osdid << dendl;
-
- for (;;) {
- /* get length of the location path */
- ret = ceph_get_osd_crush_location(cmount, osdid, NULL, 0);
- if (ret < 0)
- break;
-
- /* alloc path buffer */
- if (buf)
- delete [] buf;
- buflen = ret;
- buf = new char[buflen+1];
- memset(buf, 0, buflen*sizeof(*buf));
-
- /* empty path */
- if (buflen == 0)
- break;
-
- /* get the path */
- ret = ceph_get_osd_crush_location(cmount, osdid, buf, buflen);
- if (ret == -ERANGE)
- continue;
- else
- break;
- }
-
- ldout(cct, 10) << "jni: osd loc: osd " << osdid << " ret " << ret << dendl;
-
- if (ret < 0) {
- handle_error(env, ret);
- goto out;
- }
-
- bufpos = 0;
- while (bufpos < ret) {
- string type(buf + bufpos);
- bufpos += type.size() + 1;
- string name(buf + bufpos);
- bufpos += name.size() + 1;
- str_path.push_back(type);
- str_path.push_back(name);
- }
-
- path = env->NewObjectArray(str_path.size(), env->FindClass("java/lang/String"), NULL);
- if (!path)
- goto out;
-
- for (unsigned i = 0; i < str_path.size(); i++) {
- jstring ent = env->NewStringUTF(str_path[i].c_str());
- if (!ent)
- goto out;
- env->SetObjectArrayElement(path, i, ent);
- if (env->ExceptionOccurred())
- goto out;
- env->DeleteLocalRef(ent);
- }
-
-out:
- if (buf)
- delete [] buf;
-
- return path;
-}
-
-/*
- * sockaddrToInetAddress uses with the following license, and is adapted for
- * use in this project by using Ceph JNI exception utilities.
- *
- * ----
- *
- * Copyright (C) 2010 The Android Open Source Project
- *
- * 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.
- */
-jobject sockaddrToInetAddress(JNIEnv* env, const sockaddr_storage& ss, jint* port) {
- // Convert IPv4-mapped IPv6 addresses to IPv4 addresses.
- // The RI states "Java will never return an IPv4-mapped address".
- const sockaddr_in6& sin6 = reinterpret_cast<const sockaddr_in6&>(ss);
- if (ss.ss_family == AF_INET6 && IN6_IS_ADDR_V4MAPPED(&sin6.sin6_addr)) {
- // Copy the IPv6 address into the temporary sockaddr_storage.
- sockaddr_storage tmp;
- memset(&tmp, 0, sizeof(tmp));
- memcpy(&tmp, &ss, sizeof(sockaddr_in6));
- // Unmap it into an IPv4 address.
- sockaddr_in& sin = reinterpret_cast<sockaddr_in&>(tmp);
- sin.sin_family = AF_INET;
- sin.sin_port = sin6.sin6_port;
- memcpy(&sin.sin_addr.s_addr, &sin6.sin6_addr.s6_addr[12], 4);
- // Do the regular conversion using the unmapped address.
- return sockaddrToInetAddress(env, tmp, port);
- }
-
- const void* rawAddress;
- size_t addressLength;
- int sin_port = 0;
- int scope_id = 0;
- if (ss.ss_family == AF_INET) {
- const sockaddr_in& sin = reinterpret_cast<const sockaddr_in&>(ss);
- rawAddress = &sin.sin_addr.s_addr;
- addressLength = 4;
- sin_port = ntohs(sin.sin_port);
- } else if (ss.ss_family == AF_INET6) {
- const sockaddr_in6& sin6 = reinterpret_cast<const sockaddr_in6&>(ss);
- rawAddress = &sin6.sin6_addr.s6_addr;
- addressLength = 16;
- sin_port = ntohs(sin6.sin6_port);
- scope_id = sin6.sin6_scope_id;
- } else if (ss.ss_family == AF_UNIX) {
- const sockaddr_un& sun = reinterpret_cast<const sockaddr_un&>(ss);
- rawAddress = &sun.sun_path;
- addressLength = strlen(sun.sun_path);
- } else {
- // We can't throw SocketException. We aren't meant to see bad addresses, so seeing one
- // really does imply an internal error.
- //jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException",
- // "sockaddrToInetAddress unsupported ss_family: %i", ss.ss_family);
- cephThrowIllegalArg(env, "sockaddrToInetAddress unsupposed ss_family");
- return NULL;
- }
- if (port != NULL) {
- *port = sin_port;
- }
-
- ScopedLocalRef<jbyteArray> byteArray(env, env->NewByteArray(addressLength));
- if (byteArray.get() == NULL) {
- return NULL;
- }
- env->SetByteArrayRegion(byteArray.get(), 0, addressLength,
- reinterpret_cast<jbyte*>(const_cast<void*>(rawAddress)));
-
- if (ss.ss_family == AF_UNIX) {
- // Note that we get here for AF_UNIX sockets on accept(2). The unix(7) man page claims
- // that the peer's sun_path will contain the path, but in practice it doesn't, and the
- // peer length is returned as 2 (meaning only the sun_family field was set).
- //
- // Ceph Note: this isn't supported. inetUnixAddress appears to just be
- // something in Dalvik/Android stuff.
- cephThrowInternal(env, "OSD address should never be a UNIX socket");
- return NULL;
- //static jmethodID ctor = env->GetMethodID(JniConstants::inetUnixAddressClass, "<init>", "([B)V");
- //return env->NewObject(JniConstants::inetUnixAddressClass, ctor, byteArray.get());
- }
-
- if (addressLength == 4) {
- static jmethodID getByAddressMethod = env->GetStaticMethodID(JniConstants::inetAddressClass,
- "getByAddress", "(Ljava/lang/String;[B)Ljava/net/InetAddress;");
- if (getByAddressMethod == NULL) {
- return NULL;
- }
- return env->CallStaticObjectMethod(JniConstants::inetAddressClass, getByAddressMethod,
- NULL, byteArray.get());
- } else if (addressLength == 16) {
- static jmethodID getByAddressMethod = env->GetStaticMethodID(JniConstants::inet6AddressClass,
- "getByAddress", "(Ljava/lang/String;[BI)Ljava/net/Inet6Address;");
- if (getByAddressMethod == NULL) {
- return NULL;
- }
- return env->CallStaticObjectMethod(JniConstants::inet6AddressClass, getByAddressMethod,
- NULL, byteArray.get(), scope_id);
- } else {
- abort();
- return NULL;
- }
-}
-
-/*
- * Class: com_ceph_fs_CephMount
- * Method: native_ceph_get_osd_addr
- * Signature: (JI)Ljava/net/InetAddress;
- */
-JNIEXPORT jobject JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1get_1osd_1addr
- (JNIEnv *env, jclass clz, jlong j_mntp, jint osd)
-{
- struct ceph_mount_info *cmount = get_ceph_mount(j_mntp);
- CephContext *cct = ceph_get_mount_context(cmount);
- struct sockaddr_storage addr;
- int ret;
-
- CHECK_MOUNTED(cmount, NULL);
-
- ldout(cct, 10) << "jni: get_osd_addr: osd " << osd << dendl;
-
- ret = ceph_get_osd_addr(cmount, osd, &addr);
-
- ldout(cct, 10) << "jni: get_osd_addr: ret " << ret << dendl;
-
- if (ret < 0) {
- handle_error(env, ret);
- return NULL;
- }
-
- return sockaddrToInetAddress(env, addr, NULL);
-}