1 files changed, 111 insertions, 0 deletions
diff --git a/pipewire-jack/src/uuid.c b/pipewire-jack/src/uuid.c
new file mode 100644
index 0000000..8584e11
--- /dev/null
+++ b/pipewire-jack/src/uuid.c
@@ -0,0 +1,111 @@
+/* PipeWire
+ *
+ * Copyright © 2018 Wim Taymans
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include "config.h"
+
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/mman.h>
+
+#include <jack/uuid.h>
+
+#include <pipewire/pipewire.h>
+
+SPA_EXPORT
+jack_uuid_t jack_client_uuid_generate (void)
+{
+	static uint32_t uuid_cnt = 0;
+	jack_uuid_t uuid = 0x2; /* JackUUIDClient */;
+	uuid = (uuid << 32) | ++uuid_cnt;
+	pw_log_debug("uuid %"PRIu64, uuid);
+	return uuid;
+}
+
+SPA_EXPORT
+jack_uuid_t jack_port_uuid_generate (uint32_t port_id)
+{
+	jack_uuid_t uuid = 0x1; /* JackUUIDPort */
+	uuid = (uuid << 32) | (port_id + 1);
+	pw_log_debug("uuid %d -> %"PRIu64, port_id, uuid);
+	return uuid;
+}
+
+SPA_EXPORT
+uint32_t jack_uuid_to_index (jack_uuid_t id)
+{
+	return (id & 0xffffff) - 1;
+}
+
+SPA_EXPORT
+int  jack_uuid_compare (jack_uuid_t id1, jack_uuid_t id2)
+{
+	if (id1 == id2)
+		return 0;
+	if (id1 < id2)
+		return -1;
+	return 1;
+}
+
+SPA_EXPORT
+void jack_uuid_copy (jack_uuid_t* dst, jack_uuid_t src)
+{
+	spa_return_if_fail(dst != NULL);
+	*dst = src;
+}
+
+SPA_EXPORT
+void jack_uuid_clear (jack_uuid_t *id)
+{
+	spa_return_if_fail(id != NULL);
+	*id = 0;
+}
+
+SPA_EXPORT
+int  jack_uuid_parse (const char *buf, jack_uuid_t *id)
+{
+	spa_return_val_if_fail(buf != NULL, -EINVAL);
+	spa_return_val_if_fail(id != NULL, -EINVAL);
+
+	if (sscanf (buf, "%" PRIu64, id) == 1) {
+		if (*id < (0x1LL << 32)) {
+			/* has not type bits set - not legal */
+			return -1;
+		}
+		return 0;
+	}
+	return -1;
+}
+
+SPA_EXPORT
+void jack_uuid_unparse (jack_uuid_t id, char buf[JACK_UUID_STRING_SIZE])
+{
+	spa_return_if_fail(buf != NULL);
+	snprintf (buf, JACK_UUID_STRING_SIZE, "%" PRIu64, id);
+}
+
+SPA_EXPORT
+int  jack_uuid_empty (jack_uuid_t id)
+{
+	return id == 0;
+}