--- /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);
+}
Code Review / stor4nfv.git / blobdiff