+struct set_e2label_ctx {
+ /* This flag is set by the callbacks, so we know we've done
+ * the callbacks as expected, and in the right sequence.
+ * 0 = not called, 1 = reply_cb called.
+ */
+ int cb_sequence;
+ struct guestfs_message_header hdr;
+ struct guestfs_message_error err;
+};
+
+static void set_e2label_reply_cb (guestfs_h *g, void *data, XDR *xdr)
+{
+ guestfs_main_loop *ml = guestfs_get_main_loop (g);
+ struct set_e2label_ctx *ctx = (struct set_e2label_ctx *) data;
+
+ /* This should definitely not happen. */
+ if (ctx->cb_sequence != 0) {
+ ctx->cb_sequence = 9999;
+ error (g, "%s: internal error: reply callback called twice", "guestfs_set_e2label");
+ return;
+ }
+
+ ml->main_loop_quit (ml, g);
+
+ if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) {
+ error (g, "%s: failed to parse reply header", "guestfs_set_e2label");
+ return;
+ }
+ if (ctx->hdr.status == GUESTFS_STATUS_ERROR) {
+ if (!xdr_guestfs_message_error (xdr, &ctx->err)) {
+ error (g, "%s: failed to parse reply error", "guestfs_set_e2label");
+ return;
+ }
+ goto done;
+ }
+ done:
+ ctx->cb_sequence = 1;
+}
+
+int guestfs_set_e2label (guestfs_h *g,
+ const char *device,
+ const char *label)
+{
+ struct guestfs_set_e2label_args args;
+ struct set_e2label_ctx ctx;
+ guestfs_main_loop *ml = guestfs_get_main_loop (g);
+ int serial;
+
+ if (check_state (g, "guestfs_set_e2label") == -1) return -1;
+ guestfs_set_busy (g);
+
+ memset (&ctx, 0, sizeof ctx);
+
+ args.device = (char *) device;
+ args.label = (char *) label;
+ serial = guestfs__send_sync (g, GUESTFS_PROC_SET_E2LABEL,
+ (xdrproc_t) xdr_guestfs_set_e2label_args, (char *) &args);
+ if (serial == -1) {
+ guestfs_set_ready (g);
+ return -1;
+ }
+
+ guestfs__switch_to_receiving (g);
+ ctx.cb_sequence = 0;
+ guestfs_set_reply_callback (g, set_e2label_reply_cb, &ctx);
+ (void) ml->main_loop_run (ml, g);
+ guestfs_set_reply_callback (g, NULL, NULL);
+ if (ctx.cb_sequence != 1) {
+ error (g, "%s reply failed, see earlier error messages", "guestfs_set_e2label");
+ guestfs_set_ready (g);
+ return -1;
+ }
+
+ if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_SET_E2LABEL, serial) == -1) {
+ guestfs_set_ready (g);
+ return -1;
+ }
+
+ if (ctx.hdr.status == GUESTFS_STATUS_ERROR) {
+ error (g, "%s", ctx.err.error_message);
+ guestfs_set_ready (g);
+ return -1;
+ }
+
+ guestfs_set_ready (g);
+ return 0;
+}
+
+struct get_e2label_ctx {
+ /* This flag is set by the callbacks, so we know we've done
+ * the callbacks as expected, and in the right sequence.
+ * 0 = not called, 1 = reply_cb called.
+ */
+ int cb_sequence;
+ struct guestfs_message_header hdr;
+ struct guestfs_message_error err;
+ struct guestfs_get_e2label_ret ret;
+};
+
+static void get_e2label_reply_cb (guestfs_h *g, void *data, XDR *xdr)
+{
+ guestfs_main_loop *ml = guestfs_get_main_loop (g);
+ struct get_e2label_ctx *ctx = (struct get_e2label_ctx *) data;
+
+ /* This should definitely not happen. */
+ if (ctx->cb_sequence != 0) {
+ ctx->cb_sequence = 9999;
+ error (g, "%s: internal error: reply callback called twice", "guestfs_get_e2label");
+ return;
+ }
+
+ ml->main_loop_quit (ml, g);
+
+ if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) {
+ error (g, "%s: failed to parse reply header", "guestfs_get_e2label");
+ return;
+ }
+ if (ctx->hdr.status == GUESTFS_STATUS_ERROR) {
+ if (!xdr_guestfs_message_error (xdr, &ctx->err)) {
+ error (g, "%s: failed to parse reply error", "guestfs_get_e2label");
+ return;
+ }
+ goto done;
+ }
+ if (!xdr_guestfs_get_e2label_ret (xdr, &ctx->ret)) {
+ error (g, "%s: failed to parse reply", "guestfs_get_e2label");
+ return;
+ }
+ done:
+ ctx->cb_sequence = 1;
+}
+
+char *guestfs_get_e2label (guestfs_h *g,
+ const char *device)
+{
+ struct guestfs_get_e2label_args args;
+ struct get_e2label_ctx ctx;
+ guestfs_main_loop *ml = guestfs_get_main_loop (g);
+ int serial;
+
+ if (check_state (g, "guestfs_get_e2label") == -1) return NULL;
+ guestfs_set_busy (g);
+
+ memset (&ctx, 0, sizeof ctx);
+
+ args.device = (char *) device;
+ serial = guestfs__send_sync (g, GUESTFS_PROC_GET_E2LABEL,
+ (xdrproc_t) xdr_guestfs_get_e2label_args, (char *) &args);
+ if (serial == -1) {
+ guestfs_set_ready (g);
+ return NULL;
+ }
+
+ guestfs__switch_to_receiving (g);
+ ctx.cb_sequence = 0;
+ guestfs_set_reply_callback (g, get_e2label_reply_cb, &ctx);
+ (void) ml->main_loop_run (ml, g);
+ guestfs_set_reply_callback (g, NULL, NULL);
+ if (ctx.cb_sequence != 1) {
+ error (g, "%s reply failed, see earlier error messages", "guestfs_get_e2label");
+ guestfs_set_ready (g);
+ return NULL;
+ }
+
+ if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_GET_E2LABEL, serial) == -1) {
+ guestfs_set_ready (g);
+ return NULL;
+ }
+
+ if (ctx.hdr.status == GUESTFS_STATUS_ERROR) {
+ error (g, "%s", ctx.err.error_message);
+ guestfs_set_ready (g);
+ return NULL;
+ }
+
+ guestfs_set_ready (g);
+ return ctx.ret.label; /* caller will free */
+}
+
+struct set_e2uuid_ctx {
+ /* This flag is set by the callbacks, so we know we've done
+ * the callbacks as expected, and in the right sequence.
+ * 0 = not called, 1 = reply_cb called.
+ */
+ int cb_sequence;
+ struct guestfs_message_header hdr;
+ struct guestfs_message_error err;
+};
+
+static void set_e2uuid_reply_cb (guestfs_h *g, void *data, XDR *xdr)
+{
+ guestfs_main_loop *ml = guestfs_get_main_loop (g);
+ struct set_e2uuid_ctx *ctx = (struct set_e2uuid_ctx *) data;
+
+ /* This should definitely not happen. */
+ if (ctx->cb_sequence != 0) {
+ ctx->cb_sequence = 9999;
+ error (g, "%s: internal error: reply callback called twice", "guestfs_set_e2uuid");
+ return;
+ }
+
+ ml->main_loop_quit (ml, g);
+
+ if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) {
+ error (g, "%s: failed to parse reply header", "guestfs_set_e2uuid");
+ return;
+ }
+ if (ctx->hdr.status == GUESTFS_STATUS_ERROR) {
+ if (!xdr_guestfs_message_error (xdr, &ctx->err)) {
+ error (g, "%s: failed to parse reply error", "guestfs_set_e2uuid");
+ return;
+ }
+ goto done;
+ }
+ done:
+ ctx->cb_sequence = 1;
+}
+
+int guestfs_set_e2uuid (guestfs_h *g,
+ const char *device,
+ const char *uuid)
+{
+ struct guestfs_set_e2uuid_args args;
+ struct set_e2uuid_ctx ctx;
+ guestfs_main_loop *ml = guestfs_get_main_loop (g);
+ int serial;
+
+ if (check_state (g, "guestfs_set_e2uuid") == -1) return -1;
+ guestfs_set_busy (g);
+
+ memset (&ctx, 0, sizeof ctx);
+
+ args.device = (char *) device;
+ args.uuid = (char *) uuid;
+ serial = guestfs__send_sync (g, GUESTFS_PROC_SET_E2UUID,
+ (xdrproc_t) xdr_guestfs_set_e2uuid_args, (char *) &args);
+ if (serial == -1) {
+ guestfs_set_ready (g);
+ return -1;
+ }
+
+ guestfs__switch_to_receiving (g);
+ ctx.cb_sequence = 0;
+ guestfs_set_reply_callback (g, set_e2uuid_reply_cb, &ctx);
+ (void) ml->main_loop_run (ml, g);
+ guestfs_set_reply_callback (g, NULL, NULL);
+ if (ctx.cb_sequence != 1) {
+ error (g, "%s reply failed, see earlier error messages", "guestfs_set_e2uuid");
+ guestfs_set_ready (g);
+ return -1;
+ }
+
+ if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_SET_E2UUID, serial) == -1) {
+ guestfs_set_ready (g);
+ return -1;
+ }
+
+ if (ctx.hdr.status == GUESTFS_STATUS_ERROR) {
+ error (g, "%s", ctx.err.error_message);
+ guestfs_set_ready (g);
+ return -1;
+ }
+
+ guestfs_set_ready (g);
+ return 0;
+}
+
+struct get_e2uuid_ctx {
+ /* This flag is set by the callbacks, so we know we've done
+ * the callbacks as expected, and in the right sequence.
+ * 0 = not called, 1 = reply_cb called.
+ */
+ int cb_sequence;
+ struct guestfs_message_header hdr;
+ struct guestfs_message_error err;
+ struct guestfs_get_e2uuid_ret ret;
+};
+
+static void get_e2uuid_reply_cb (guestfs_h *g, void *data, XDR *xdr)
+{
+ guestfs_main_loop *ml = guestfs_get_main_loop (g);
+ struct get_e2uuid_ctx *ctx = (struct get_e2uuid_ctx *) data;
+
+ /* This should definitely not happen. */
+ if (ctx->cb_sequence != 0) {
+ ctx->cb_sequence = 9999;
+ error (g, "%s: internal error: reply callback called twice", "guestfs_get_e2uuid");
+ return;
+ }
+
+ ml->main_loop_quit (ml, g);
+
+ if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) {
+ error (g, "%s: failed to parse reply header", "guestfs_get_e2uuid");
+ return;
+ }
+ if (ctx->hdr.status == GUESTFS_STATUS_ERROR) {
+ if (!xdr_guestfs_message_error (xdr, &ctx->err)) {
+ error (g, "%s: failed to parse reply error", "guestfs_get_e2uuid");
+ return;
+ }
+ goto done;
+ }
+ if (!xdr_guestfs_get_e2uuid_ret (xdr, &ctx->ret)) {
+ error (g, "%s: failed to parse reply", "guestfs_get_e2uuid");
+ return;
+ }
+ done:
+ ctx->cb_sequence = 1;
+}
+
+char *guestfs_get_e2uuid (guestfs_h *g,
+ const char *device)
+{
+ struct guestfs_get_e2uuid_args args;
+ struct get_e2uuid_ctx ctx;
+ guestfs_main_loop *ml = guestfs_get_main_loop (g);
+ int serial;
+
+ if (check_state (g, "guestfs_get_e2uuid") == -1) return NULL;
+ guestfs_set_busy (g);
+
+ memset (&ctx, 0, sizeof ctx);
+
+ args.device = (char *) device;
+ serial = guestfs__send_sync (g, GUESTFS_PROC_GET_E2UUID,
+ (xdrproc_t) xdr_guestfs_get_e2uuid_args, (char *) &args);
+ if (serial == -1) {
+ guestfs_set_ready (g);
+ return NULL;
+ }
+
+ guestfs__switch_to_receiving (g);
+ ctx.cb_sequence = 0;
+ guestfs_set_reply_callback (g, get_e2uuid_reply_cb, &ctx);
+ (void) ml->main_loop_run (ml, g);
+ guestfs_set_reply_callback (g, NULL, NULL);
+ if (ctx.cb_sequence != 1) {
+ error (g, "%s reply failed, see earlier error messages", "guestfs_get_e2uuid");
+ guestfs_set_ready (g);
+ return NULL;
+ }
+
+ if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_GET_E2UUID, serial) == -1) {
+ guestfs_set_ready (g);
+ return NULL;
+ }
+
+ if (ctx.hdr.status == GUESTFS_STATUS_ERROR) {
+ error (g, "%s", ctx.err.error_message);
+ guestfs_set_ready (g);
+ return NULL;
+ }
+
+ guestfs_set_ready (g);
+ return ctx.ret.uuid; /* caller will free */
+}
+
git.annexia.org / libguestfs.git / commitdiff