+struct strings_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_strings_ret ret;
+};
+
+static void strings_reply_cb (guestfs_h *g, void *data, XDR *xdr)
+{
+ guestfs_main_loop *ml = guestfs_get_main_loop (g);
+ struct strings_ctx *ctx = (struct strings_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_strings");
+ return;
+ }
+
+ ml->main_loop_quit (ml, g);
+
+ if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) {
+ error (g, "%s: failed to parse reply header", "guestfs_strings");
+ 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_strings");
+ return;
+ }
+ goto done;
+ }
+ if (!xdr_guestfs_strings_ret (xdr, &ctx->ret)) {
+ error (g, "%s: failed to parse reply", "guestfs_strings");
+ return;
+ }
+ done:
+ ctx->cb_sequence = 1;
+}
+
+char **guestfs_strings (guestfs_h *g,
+ const char *path)
+{
+ struct guestfs_strings_args args;
+ struct strings_ctx ctx;
+ guestfs_main_loop *ml = guestfs_get_main_loop (g);
+ int serial;
+
+ if (check_state (g, "guestfs_strings") == -1) return NULL;
+ guestfs_set_busy (g);
+
+ memset (&ctx, 0, sizeof ctx);
+
+ args.path = (char *) path;
+ serial = guestfs__send_sync (g, GUESTFS_PROC_STRINGS,
+ (xdrproc_t) xdr_guestfs_strings_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, strings_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_strings");
+ guestfs_set_ready (g);
+ return NULL;
+ }
+
+ if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_STRINGS, 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);
+ /* caller will free this, but we need to add a NULL entry */
+ ctx.ret.stringsout.stringsout_val =
+ safe_realloc (g, ctx.ret.stringsout.stringsout_val,
+ sizeof (char *) * (ctx.ret.stringsout.stringsout_len + 1));
+ ctx.ret.stringsout.stringsout_val[ctx.ret.stringsout.stringsout_len] = NULL;
+ return ctx.ret.stringsout.stringsout_val;
+}
+
+struct strings_e_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_strings_e_ret ret;
+};
+
+static void strings_e_reply_cb (guestfs_h *g, void *data, XDR *xdr)
+{
+ guestfs_main_loop *ml = guestfs_get_main_loop (g);
+ struct strings_e_ctx *ctx = (struct strings_e_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_strings_e");
+ return;
+ }
+
+ ml->main_loop_quit (ml, g);
+
+ if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) {
+ error (g, "%s: failed to parse reply header", "guestfs_strings_e");
+ 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_strings_e");
+ return;
+ }
+ goto done;
+ }
+ if (!xdr_guestfs_strings_e_ret (xdr, &ctx->ret)) {
+ error (g, "%s: failed to parse reply", "guestfs_strings_e");
+ return;
+ }
+ done:
+ ctx->cb_sequence = 1;
+}
+
+char **guestfs_strings_e (guestfs_h *g,
+ const char *encoding,
+ const char *path)
+{
+ struct guestfs_strings_e_args args;
+ struct strings_e_ctx ctx;
+ guestfs_main_loop *ml = guestfs_get_main_loop (g);
+ int serial;
+
+ if (check_state (g, "guestfs_strings_e") == -1) return NULL;
+ guestfs_set_busy (g);
+
+ memset (&ctx, 0, sizeof ctx);
+
+ args.encoding = (char *) encoding;
+ args.path = (char *) path;
+ serial = guestfs__send_sync (g, GUESTFS_PROC_STRINGS_E,
+ (xdrproc_t) xdr_guestfs_strings_e_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, strings_e_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_strings_e");
+ guestfs_set_ready (g);
+ return NULL;
+ }
+
+ if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_STRINGS_E, 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);
+ /* caller will free this, but we need to add a NULL entry */
+ ctx.ret.stringsout.stringsout_val =
+ safe_realloc (g, ctx.ret.stringsout.stringsout_val,
+ sizeof (char *) * (ctx.ret.stringsout.stringsout_len + 1));
+ ctx.ret.stringsout.stringsout_val[ctx.ret.stringsout.stringsout_len] = NULL;
+ return ctx.ret.stringsout.stringsout_val;
+}
+
+struct hexdump_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_hexdump_ret ret;
+};
+
+static void hexdump_reply_cb (guestfs_h *g, void *data, XDR *xdr)
+{
+ guestfs_main_loop *ml = guestfs_get_main_loop (g);
+ struct hexdump_ctx *ctx = (struct hexdump_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_hexdump");
+ return;
+ }
+
+ ml->main_loop_quit (ml, g);
+
+ if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) {
+ error (g, "%s: failed to parse reply header", "guestfs_hexdump");
+ 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_hexdump");
+ return;
+ }
+ goto done;
+ }
+ if (!xdr_guestfs_hexdump_ret (xdr, &ctx->ret)) {
+ error (g, "%s: failed to parse reply", "guestfs_hexdump");
+ return;
+ }
+ done:
+ ctx->cb_sequence = 1;
+}
+
+char *guestfs_hexdump (guestfs_h *g,
+ const char *path)
+{
+ struct guestfs_hexdump_args args;
+ struct hexdump_ctx ctx;
+ guestfs_main_loop *ml = guestfs_get_main_loop (g);
+ int serial;
+
+ if (check_state (g, "guestfs_hexdump") == -1) return NULL;
+ guestfs_set_busy (g);
+
+ memset (&ctx, 0, sizeof ctx);
+
+ args.path = (char *) path;
+ serial = guestfs__send_sync (g, GUESTFS_PROC_HEXDUMP,
+ (xdrproc_t) xdr_guestfs_hexdump_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, hexdump_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_hexdump");
+ guestfs_set_ready (g);
+ return NULL;
+ }
+
+ if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_HEXDUMP, 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.dump; /* caller will free */
+}
+
git.annexia.org / libguestfs.git / commitdiff