int guestfs_sfdisk_N (guestfs_h *g,
const char *device,
- int n,
+ int partnum,
int cyls,
int heads,
int sectors,
memset (&ctx, 0, sizeof ctx);
args.device = (char *) device;
- args.n = n;
+ args.partnum = partnum;
args.cyls = cyls;
args.heads = heads;
args.sectors = sectors;
return ctx.ret.chars;
}
+struct head_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_head_ret ret;
+};
+
+static void head_reply_cb (guestfs_h *g, void *data, XDR *xdr)
+{
+ guestfs_main_loop *ml = guestfs_get_main_loop (g);
+ struct head_ctx *ctx = (struct head_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_head");
+ return;
+ }
+
+ ml->main_loop_quit (ml, g);
+
+ if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) {
+ error (g, "%s: failed to parse reply header", "guestfs_head");
+ 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_head");
+ return;
+ }
+ goto done;
+ }
+ if (!xdr_guestfs_head_ret (xdr, &ctx->ret)) {
+ error (g, "%s: failed to parse reply", "guestfs_head");
+ return;
+ }
+ done:
+ ctx->cb_sequence = 1;
+}
+
+char **guestfs_head (guestfs_h *g,
+ const char *path)
+{
+ struct guestfs_head_args args;
+ struct head_ctx ctx;
+ guestfs_main_loop *ml = guestfs_get_main_loop (g);
+ int serial;
+
+ if (check_state (g, "guestfs_head") == -1) return NULL;
+ guestfs_set_busy (g);
+
+ memset (&ctx, 0, sizeof ctx);
+
+ args.path = (char *) path;
+ serial = guestfs__send_sync (g, GUESTFS_PROC_HEAD,
+ (xdrproc_t) xdr_guestfs_head_args, (char *) &args);
+ if (serial == -1) {
+ guestfs_end_busy (g);
+ return NULL;
+ }
+
+ guestfs__switch_to_receiving (g);
+ ctx.cb_sequence = 0;
+ guestfs_set_reply_callback (g, head_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_head");
+ guestfs_end_busy (g);
+ return NULL;
+ }
+
+ if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_HEAD, serial) == -1) {
+ guestfs_end_busy (g);
+ return NULL;
+ }
+
+ if (ctx.hdr.status == GUESTFS_STATUS_ERROR) {
+ error (g, "%s", ctx.err.error_message);
+ free (ctx.err.error_message);
+ guestfs_end_busy (g);
+ return NULL;
+ }
+
+ guestfs_end_busy (g);
+ /* caller will free this, but we need to add a NULL entry */
+ ctx.ret.lines.lines_val =
+ safe_realloc (g, ctx.ret.lines.lines_val,
+ sizeof (char *) * (ctx.ret.lines.lines_len + 1));
+ ctx.ret.lines.lines_val[ctx.ret.lines.lines_len] = NULL;
+ return ctx.ret.lines.lines_val;
+}
+
+struct head_n_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_head_n_ret ret;
+};
+
+static void head_n_reply_cb (guestfs_h *g, void *data, XDR *xdr)
+{
+ guestfs_main_loop *ml = guestfs_get_main_loop (g);
+ struct head_n_ctx *ctx = (struct head_n_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_head_n");
+ return;
+ }
+
+ ml->main_loop_quit (ml, g);
+
+ if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) {
+ error (g, "%s: failed to parse reply header", "guestfs_head_n");
+ 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_head_n");
+ return;
+ }
+ goto done;
+ }
+ if (!xdr_guestfs_head_n_ret (xdr, &ctx->ret)) {
+ error (g, "%s: failed to parse reply", "guestfs_head_n");
+ return;
+ }
+ done:
+ ctx->cb_sequence = 1;
+}
+
+char **guestfs_head_n (guestfs_h *g,
+ int nrlines,
+ const char *path)
+{
+ struct guestfs_head_n_args args;
+ struct head_n_ctx ctx;
+ guestfs_main_loop *ml = guestfs_get_main_loop (g);
+ int serial;
+
+ if (check_state (g, "guestfs_head_n") == -1) return NULL;
+ guestfs_set_busy (g);
+
+ memset (&ctx, 0, sizeof ctx);
+
+ args.nrlines = nrlines;
+ args.path = (char *) path;
+ serial = guestfs__send_sync (g, GUESTFS_PROC_HEAD_N,
+ (xdrproc_t) xdr_guestfs_head_n_args, (char *) &args);
+ if (serial == -1) {
+ guestfs_end_busy (g);
+ return NULL;
+ }
+
+ guestfs__switch_to_receiving (g);
+ ctx.cb_sequence = 0;
+ guestfs_set_reply_callback (g, head_n_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_head_n");
+ guestfs_end_busy (g);
+ return NULL;
+ }
+
+ if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_HEAD_N, serial) == -1) {
+ guestfs_end_busy (g);
+ return NULL;
+ }
+
+ if (ctx.hdr.status == GUESTFS_STATUS_ERROR) {
+ error (g, "%s", ctx.err.error_message);
+ free (ctx.err.error_message);
+ guestfs_end_busy (g);
+ return NULL;
+ }
+
+ guestfs_end_busy (g);
+ /* caller will free this, but we need to add a NULL entry */
+ ctx.ret.lines.lines_val =
+ safe_realloc (g, ctx.ret.lines.lines_val,
+ sizeof (char *) * (ctx.ret.lines.lines_len + 1));
+ ctx.ret.lines.lines_val[ctx.ret.lines.lines_len] = NULL;
+ return ctx.ret.lines.lines_val;
+}
+
+struct tail_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_tail_ret ret;
+};
+
+static void tail_reply_cb (guestfs_h *g, void *data, XDR *xdr)
+{
+ guestfs_main_loop *ml = guestfs_get_main_loop (g);
+ struct tail_ctx *ctx = (struct tail_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_tail");
+ return;
+ }
+
+ ml->main_loop_quit (ml, g);
+
+ if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) {
+ error (g, "%s: failed to parse reply header", "guestfs_tail");
+ 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_tail");
+ return;
+ }
+ goto done;
+ }
+ if (!xdr_guestfs_tail_ret (xdr, &ctx->ret)) {
+ error (g, "%s: failed to parse reply", "guestfs_tail");
+ return;
+ }
+ done:
+ ctx->cb_sequence = 1;
+}
+
+char **guestfs_tail (guestfs_h *g,
+ const char *path)
+{
+ struct guestfs_tail_args args;
+ struct tail_ctx ctx;
+ guestfs_main_loop *ml = guestfs_get_main_loop (g);
+ int serial;
+
+ if (check_state (g, "guestfs_tail") == -1) return NULL;
+ guestfs_set_busy (g);
+
+ memset (&ctx, 0, sizeof ctx);
+
+ args.path = (char *) path;
+ serial = guestfs__send_sync (g, GUESTFS_PROC_TAIL,
+ (xdrproc_t) xdr_guestfs_tail_args, (char *) &args);
+ if (serial == -1) {
+ guestfs_end_busy (g);
+ return NULL;
+ }
+
+ guestfs__switch_to_receiving (g);
+ ctx.cb_sequence = 0;
+ guestfs_set_reply_callback (g, tail_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_tail");
+ guestfs_end_busy (g);
+ return NULL;
+ }
+
+ if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_TAIL, serial) == -1) {
+ guestfs_end_busy (g);
+ return NULL;
+ }
+
+ if (ctx.hdr.status == GUESTFS_STATUS_ERROR) {
+ error (g, "%s", ctx.err.error_message);
+ free (ctx.err.error_message);
+ guestfs_end_busy (g);
+ return NULL;
+ }
+
+ guestfs_end_busy (g);
+ /* caller will free this, but we need to add a NULL entry */
+ ctx.ret.lines.lines_val =
+ safe_realloc (g, ctx.ret.lines.lines_val,
+ sizeof (char *) * (ctx.ret.lines.lines_len + 1));
+ ctx.ret.lines.lines_val[ctx.ret.lines.lines_len] = NULL;
+ return ctx.ret.lines.lines_val;
+}
+
+struct tail_n_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_tail_n_ret ret;
+};
+
+static void tail_n_reply_cb (guestfs_h *g, void *data, XDR *xdr)
+{
+ guestfs_main_loop *ml = guestfs_get_main_loop (g);
+ struct tail_n_ctx *ctx = (struct tail_n_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_tail_n");
+ return;
+ }
+
+ ml->main_loop_quit (ml, g);
+
+ if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) {
+ error (g, "%s: failed to parse reply header", "guestfs_tail_n");
+ 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_tail_n");
+ return;
+ }
+ goto done;
+ }
+ if (!xdr_guestfs_tail_n_ret (xdr, &ctx->ret)) {
+ error (g, "%s: failed to parse reply", "guestfs_tail_n");
+ return;
+ }
+ done:
+ ctx->cb_sequence = 1;
+}
+
+char **guestfs_tail_n (guestfs_h *g,
+ int nrlines,
+ const char *path)
+{
+ struct guestfs_tail_n_args args;
+ struct tail_n_ctx ctx;
+ guestfs_main_loop *ml = guestfs_get_main_loop (g);
+ int serial;
+
+ if (check_state (g, "guestfs_tail_n") == -1) return NULL;
+ guestfs_set_busy (g);
+
+ memset (&ctx, 0, sizeof ctx);
+
+ args.nrlines = nrlines;
+ args.path = (char *) path;
+ serial = guestfs__send_sync (g, GUESTFS_PROC_TAIL_N,
+ (xdrproc_t) xdr_guestfs_tail_n_args, (char *) &args);
+ if (serial == -1) {
+ guestfs_end_busy (g);
+ return NULL;
+ }
+
+ guestfs__switch_to_receiving (g);
+ ctx.cb_sequence = 0;
+ guestfs_set_reply_callback (g, tail_n_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_tail_n");
+ guestfs_end_busy (g);
+ return NULL;
+ }
+
+ if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_TAIL_N, serial) == -1) {
+ guestfs_end_busy (g);
+ return NULL;
+ }
+
+ if (ctx.hdr.status == GUESTFS_STATUS_ERROR) {
+ error (g, "%s", ctx.err.error_message);
+ free (ctx.err.error_message);
+ guestfs_end_busy (g);
+ return NULL;
+ }
+
+ guestfs_end_busy (g);
+ /* caller will free this, but we need to add a NULL entry */
+ ctx.ret.lines.lines_val =
+ safe_realloc (g, ctx.ret.lines.lines_val,
+ sizeof (char *) * (ctx.ret.lines.lines_len + 1));
+ ctx.ret.lines.lines_val[ctx.ret.lines.lines_len] = NULL;
+ return ctx.ret.lines.lines_val;
+}
+
git.annexia.org / libguestfs.git / blobdiff