pulse: move pulse protocol to module

src/modules/module-protocol-pulse.c

@@ -0,0 +1,118 @@
+/* PipeWire
+ *
+ * Copyright © 2020 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 <string.h>
+#include <stdio.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#include "config.h"
+
+#include <spa/utils/result.h>
+
+#include <pipewire/impl.h>
+
+#include "module-protocol-pulse/pulse-server.h"
+
+#define NAME "protocol-pulse"
+
+#define MODULE_USAGE	PW_PROTOCOL_PULSE_USAGE
+
+static const struct spa_dict_item module_props[] = {
+	{ PW_KEY_MODULE_AUTHOR, "Wim Taymans <wim.taymans@gmail.com>" },
+	{ PW_KEY_MODULE_DESCRIPTION, "Implement a PulseAudio server" },
+	{ PW_KEY_MODULE_USAGE, MODULE_USAGE },
+	{ PW_KEY_MODULE_VERSION, PACKAGE_VERSION },
+};
+
+struct impl {
+	struct pw_context *context;
+	struct pw_properties *properties;
+
+	struct spa_hook module_listener;
+
+	struct pw_protocol_pulse *pulse;
+};
+
+static void impl_free(struct impl *impl)
+{
+	spa_hook_remove(&impl->module_listener);
+	if (impl->pulse)
+		pw_protocol_pulse_destroy(impl->pulse);
+	if (impl->properties)
+		pw_properties_free(impl->properties);
+	free(impl);
+}
+
+static void module_destroy(void *data)
+{
+	struct impl *impl = data;
+	impl_free(impl);
+}
+
+static const struct pw_impl_module_events module_events = {
+	PW_VERSION_IMPL_MODULE_EVENTS,
+	.destroy = module_destroy,
+};
+
+SPA_EXPORT
+int pipewire__module_init(struct pw_impl_module *module, const char *args)
+{
+	struct pw_context *context = pw_impl_module_get_context(module);
+	struct pw_properties *props;
+	struct impl *impl;
+	int res;
+
+	impl = calloc(1, sizeof(struct impl));
+	if (impl == NULL)
+		return -errno;
+
+	pw_impl_module_add_listener(module, &impl->module_listener, &module_events, impl);
+
+	pw_log_debug("module %p: new %s", impl, args);
+
+	if (args)
+		props = pw_properties_new_string(args);
+	else
+		props = NULL;
+
+	impl->properties = props;
+
+	impl->pulse = pw_protocol_pulse_new(context,
+			props ? pw_properties_copy(props) : NULL, 0);
+	if (impl->pulse == NULL) {
+		res = -errno;
+		goto error;
+	}
+
+	pw_impl_module_update_properties(module, &SPA_DICT_INIT_ARRAY(module_props));
+
+	return 0;
+error:
+	impl_free(impl);
+	return res;
+}