diff options
Diffstat (limited to 'libglusterfsclient/src')
| -rwxr-xr-x | libglusterfsclient/src/libglusterfsclient.c | 79 | 
1 files changed, 79 insertions, 0 deletions
diff --git a/libglusterfsclient/src/libglusterfsclient.c b/libglusterfsclient/src/libglusterfsclient.c index 3bbe8894503..9dcaadc0e19 100755 --- a/libglusterfsclient/src/libglusterfsclient.c +++ b/libglusterfsclient/src/libglusterfsclient.c @@ -4668,6 +4668,85 @@ out:          return op_ret;  } +int32_t +libgf_client_readlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                                int32_t op_ret, int32_t op_errno, +                                const char *path) +{ +        libgf_client_local_t    *local = frame->local; + +        local->reply_stub = fop_readlink_cbk_stub (frame, NULL, op_ret, +                                                   op_errno, path); + +        LIBGF_REPLY_NOTIFY (local); +        return 0; +} + +int32_t +libgf_client_readlink (libglusterfs_client_ctx_t *ctx, loc_t *loc, char *buf, +                       size_t bufsize) +{ +        int                             op_ret = -1; +        libgf_client_local_t            *local = NULL; +        call_stub_t                     *stub = NULL; +        size_t                           cpy_size = 0; + +        LIBGF_CLIENT_FOP (ctx, stub, readlink, local, loc, bufsize); + +        op_ret = stub->args.readlink_cbk.op_ret; +        errno = stub->args.readlink_cbk.op_errno; + +        if (op_ret != -1) { +                cpy_size = ((op_ret <= bufsize) ? op_ret : bufsize); +                memcpy (buf, stub->args.readlink_cbk.buf, cpy_size); +                op_ret = cpy_size; +        } + +        call_stub_destroy (stub); +        return op_ret; +} + +ssize_t +glusterfs_readlink (glusterfs_handle_t handle, const char *path, char *buf, +                    size_t bufsize) +{ +        int32_t                         op_ret = -1; +        loc_t                           loc = {0, }; +        libglusterfs_client_ctx_t       *ctx = handle; +        char                            *name = NULL; + +        GF_VALIDATE_OR_GOTO (LIBGF_XL_NAME, ctx, out); +        GF_VALIDATE_ABSOLUTE_PATH_OR_GOTO (LIBGF_XL_NAME, path, out); + +        loc.path = strdup (path); +        op_ret = libgf_client_path_lookup (&loc, ctx, 1); +        if (op_ret == -1) { +                gf_log ("libglusterfsclient", GF_LOG_ERROR, +                                "path lookup failed for (%s)", path); +                goto out; +        } + +        name = strdup (path); +        op_ret = libgf_client_loc_fill (&loc, ctx, 0, loc.parent->ino, +                                                basename (name)); +        if (op_ret == -1) { +                gf_log ("libglusterfsclient", GF_LOG_ERROR, +                                "libgf_client_loc_fill returned -1, " +                                "returning EINVAL"); +                errno = EINVAL; +                goto out; +        } + +        op_ret = libgf_client_readlink (ctx, &loc, buf, bufsize); + +out: +        if (name) +                FREE (name); + +        libgf_client_loc_wipe (&loc); +        return op_ret; +} +  static struct xlator_fops libgf_client_fops = {  };  | 
