Section 3: library functions
NAME dmlite_url – Handles URL. SYNOPSIS #include <utils.h> Data Fields char scheme [SCHEME_MAX] char domain [HOST_NAME_MAX] unsigned port char path [PATH_MAX] dmlite_any_dict * query Detailed Description Handles URL. Field Documentation char domain[HOST_NAME_MAX] char path[PATH_MAX] unsigned port dmlite_any_dict* query char scheme[SCHEME_MAX] Author Generated automatically by Doxygen for dmlite from the source code. Index Author
NAME dmlite_security_ent – Used to handle user and group information. SYNOPSIS #include <dmlite.h> Data Fields const char * name dmlite_any_dict * extra Detailed Description Used to handle user and group information. Field Documentation dmlite_any_dict* extra const char* name Author Generated automatically by Doxygen for dmlite from the source code. Index Author
NAME dmlite_security_context – Security context. SYNOPSIS #include <dmlite.h> Data Fields dmlite_credentials * credentials unsigned ngroups dmlite_security_ent user dmlite_security_ent * groups Detailed Description Security context. Field Documentation dmlite_credentials* credentials dmlite_security_ent* groups unsigned ngroups dmlite_security_ent user Author Generated automatically by Doxygen for dmlite from the source code. Index Author
NAME dmlite_replica – SYNOPSIS #include <inode.h> Data Fields int64_t replicaid int64_t fileid int64_t nbaccesses time_t atime time_t ptime time_t ltime enum dmlite_replica_status status enum dmlite_replica_type type char server [HOST_NAME_MAX] char rfn [URL_MAX] dmlite_any_dict * extra If != NULL, additional metadata will be put here. Detailed Description A replica of a file Field Documentation time_t atime…
NAME dmlite_pool – Pool data. SYNOPSIS #include <pool.h> Data Fields char pool_type [POOL_TYPE_MAX] char pool_name [POOL_MAX] dmlite_any_dict * extra Detailed Description Pool data. Field Documentation dmlite_any_dict* extra char pool_name[POOL_MAX] char pool_type[POOL_TYPE_MAX] Author Generated automatically by Doxygen for dmlite from the source code. Index Author
NAME dmlite_location – Collection of chunks that form a replica. SYNOPSIS #include <pool.h> Data Fields dmlite_chunk * chunks unsigned nchunks Detailed Description Collection of chunks that form a replica. On read, there may be duplicated chunks. Field Documentation dmlite_chunk* chunks unsigned nchunks Author Generated automatically by Doxygen for dmlite from the source code. Index Author
NAME dmlite_credentials – Security credentials. SYNOPSIS #include <dmlite.h> Data Fields const char * mech const char * client_name const char * remote_address const char * session_id unsigned nfqans const char ** fqans dmlite_any_dict * extra Detailed Description Security credentials. It is up to the caller to allocate and free this pointers. DMLite will keep a…
NAME dmlite_chunk – Chunk of data. SYNOPSIS #include <pool.h> Data Fields off_t offset size_t size dmlite_url url Detailed Description Chunk of data. Field Documentation off_t offset size_t size dmlite_url url Author Generated automatically by Doxygen for dmlite from the source code. Index Author
NAME dmlite_aclentry – Handles ACL entries. SYNOPSIS #include <utils.h> Data Fields uint8_t type uint8_t perm uint32_t id Detailed Description Handles ACL entries. Field Documentation uint32_t id uint8_t perm uint8_t type Author Generated automatically by Doxygen for dmlite from the source code. Index
dmlite.h – C wrapper for DMLite. Synopsis #include ‘dmlite/common/config.h’ #include ‘dmlite/common/errno.h’ #include ‘any.h’ #include <stdlib.h> #include <sys/stat.h> #include <utime.h> Data Structures struct dmlite_credentials Security credentials. struct dmlite_security_ent Used to handle user and group information. struct dmlite_security_context Security context. Typedefs typedef struct dmlite_manager dmlite_manager Handle for the plugin manager. typedef struct dmlite_context dmlite_context Handle for a…
NAME dlsym, dlvsym – obtain address of a symbol in a shared object or executable SYNOPSIS #include <dlfcn.h> void *dlsym(void *handle, const char *symbol); #define _GNU_SOURCE #include <dlfcn.h> void *dlvsym(void *handle, char *symbol, char *version); Link with -ldl. DESCRIPTION The function dlsym() takes a "handle" of a dynamic loaded shared object returned by dlopen(3) along…
NAME dlsym, dlvsym – obtain address of a symbol in a shared object or executable SYNOPSIS #include <dlfcn.h> void *dlsym(void *handle, const char *symbol); #define _GNU_SOURCE #include <dlfcn.h> void *dlvsym(void *handle, char *symbol, char *version); Link with -ldl. DESCRIPTION The function dlsym() takes a "handle" of a dynamic loaded shared object returned by dlopen(3) along…
NAME dlclose, dlopen, dlmopen – open and close a shared object SYNOPSIS #include <dlfcn.h> void *dlopen(const char *filename, int flags); int dlclose(void *handle); #define _GNU_SOURCE #include <dlfcn.h> void *dlmopen(Lmid_t lmid, const char *filename, int flags); Link with -ldl. DESCRIPTION dlopen() The function dlopen() loads the dynamic shared object (shared library) file named by the null-terminated…
NAME dlclose, dlopen, dlmopen – open and close a shared object SYNOPSIS #include <dlfcn.h> void *dlopen(const char *filename, int flags); int dlclose(void *handle); #define _GNU_SOURCE #include <dlfcn.h> void *dlmopen(Lmid_t lmid, const char *filename, int flags); Link with -ldl. DESCRIPTION dlopen() The function dlopen() loads the dynamic shared object (shared library) file named by the null-terminated…
NAME dlm_unlock – unlock a DLM lock SYNOPSIS #include <libdlm.h> int dlm_unlock(uint32_t lkid, uint32_t flags, struct dlm_lksb *lksb, void *astarg); int dlm_unlock_wait(uint32_t lkid, uint32_t flags, struct dlm_lksb *lksb); DESCRIPTION dlm_unlock() unlocks a lock previously acquired by dlm_lock and its variants. Unless dlm_unlock_wait() is used unlocks are also asynchronous. The AST routine is called when the…
NAME dlm_unlock – unlock a DLM lock SYNOPSIS #include <libdlm.h> int dlm_unlock(uint32_t lkid, uint32_t flags, struct dlm_lksb *lksb, void *astarg); int dlm_unlock_wait(uint32_t lkid, uint32_t flags, struct dlm_lksb *lksb); DESCRIPTION dlm_unlock() unlocks a lock previously acquired by dlm_lock and its variants. Unless dlm_unlock_wait() is used unlocks are also asynchronous. The AST routine is called when the…
NAME dlm_create_lockspace, dlm_open_lockspace, dlm_close_lockspace, dlm_release_lockspace – manipulate DLM lockspaces SYNOPSIS #include <libdlm.h> dlm_lshandle_t dlm_create_lockspace(const char *name, mode_t mode); dlm_lshandle_t dlm_new_lockspace(const char *name, mode_t mode, uint32_t flags); dlm_lshandle_t dlm_open_lockspace(const char *name); int dlm_close_lockspace(dlm_lshandle_t ls); int dlm_release_lockspace(const char *name, dlm_lshandle_t ls, int force); DESCRIPTION The DLM allows locks to be partitioned into "lockspaces", and these can be…
NAME libdlm – dlm_get_fd, dlm_dispatch, dlm_pthread_init, dlm_ls_pthread_init, dlm_cleanup SYNOPSIS #include <libdlm.h> int dlm_pthread_init(); int dlm_ls_pthread_init(dlm_lshandle_t lockspace); int dlm_pthread_cleanup(); int dlm_get_fd(void); int dlm_dispatch(int fd); link with – ldlm DESCRIPTION libdlm provides the programmatic userspace interface to the Distributed Lock manager. It provides all the calls you need to manipulate locks & lockspaces libdlm can be used…
NAME dlm_create_lockspace, dlm_open_lockspace, dlm_close_lockspace, dlm_release_lockspace – manipulate DLM lockspaces SYNOPSIS #include <libdlm.h> dlm_lshandle_t dlm_create_lockspace(const char *name, mode_t mode); dlm_lshandle_t dlm_new_lockspace(const char *name, mode_t mode, uint32_t flags); dlm_lshandle_t dlm_open_lockspace(const char *name); int dlm_close_lockspace(dlm_lshandle_t ls); int dlm_release_lockspace(const char *name, dlm_lshandle_t ls, int force); DESCRIPTION The DLM allows locks to be partitioned into "lockspaces", and these can be…
NAME dlm_create_lockspace, dlm_open_lockspace, dlm_close_lockspace, dlm_release_lockspace – manipulate DLM lockspaces SYNOPSIS #include <libdlm.h> dlm_lshandle_t dlm_create_lockspace(const char *name, mode_t mode); dlm_lshandle_t dlm_new_lockspace(const char *name, mode_t mode, uint32_t flags); dlm_lshandle_t dlm_open_lockspace(const char *name); int dlm_close_lockspace(dlm_lshandle_t ls); int dlm_release_lockspace(const char *name, dlm_lshandle_t ls, int force); DESCRIPTION The DLM allows locks to be partitioned into "lockspaces", and these can be…