--- /dev/null
+/*
+ * Copyright (c) 2014 Intel Corporation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Intel Corporation nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <lualib.h>
+#include <lauxlib.h>
+
+#include <murphy/common.h>
+
+#include <murphy/core/plugin.h>
+#include <murphy/core/event.h>
+#include <murphy/core/lua-bindings/murphy.h>
+#include <murphy/core/lua-utils/object.h>
+#include <murphy/core/lua-utils/funcbridge.h>
+#include <murphy/core/domain.h>
+
+#include <murphy-db/mqi.h>
+#include <murphy-db/mql.h>
+
+#include <murphy/resource/client-api.h>
+#include <murphy/resource/manager-api.h>
+
+#include <murphy/resource/resource-set.h>
+#include <murphy/resource/zone.h>
+#include <murphy/resource/application-class.h>
+
+#define PRIORITY_CLASS MRP_LUA_CLASS_SIMPLE(routing_sink_priority)
+#define CONNID_ATTRIBUTE "connid"
+#define APPID_ATTRIBUTE "appid"
+
+/* Listen for new resource sets. When one appears, check if it already has
+ * attributes "sink" and "connection_id" set. If it has, the request has come
+ * from a GAM-aware application, otherwise not. If not, tell GAM that a new
+ * application has come around to ask for routing. */
+
+typedef struct {
+ char *name;
+ mrp_funcbridge_t *get_sinks;
+} priority_t;
+
+typedef struct {
+ mrp_mainloop_t *ml;
+ mrp_context_t *mrp_ctx;
+
+ char *zone;
+ char *default_sink;
+ mrp_json_t *mapping;
+ char *app_default;
+ char *playback_resource;
+ char *recording_resource;
+
+ mrp_htbl_t *pqs; /* "application_class" -> priority_t */
+
+ mrp_event_watch_t *w;
+ int events[4];
+} immelmann_t;
+
+typedef struct {
+ char *name;
+ mrp_list_hook_t hook;
+} routing_target_t;
+
+typedef struct {
+ immelmann_t *ctx;
+ uint32_t rset_id;
+ char *resource;
+} domain_data_t;
+
+/* global context for Lua configuration */
+
+static immelmann_t *global_ctx;
+
+enum {
+ ARG_ZONE,
+ ARG_DEFAULT_SINK,
+ ARG_APP_DEFAULT,
+ ARG_APP_MAPPING,
+ ARG_PLAYBACK_RESOURCE,
+ ARG_RECORDING_RESOURCE,
+};
+
+enum {
+ CREATED = 0,
+ ACQUIRE,
+ RELEASE,
+ DESTROYED,
+};
+
+static int priority_create(lua_State *);
+static int priority_getfield(lua_State *);
+static int priority_setfield(lua_State *);
+static void priority_destroy(void *);
+
+MRP_LUA_CLASS_DEF_SIMPLE (
+ routing_sink_priority,
+ priority_t,
+ priority_destroy,
+ MRP_LUA_METHOD_LIST (
+ MRP_LUA_METHOD_CONSTRUCTOR (priority_create)
+ ),
+ MRP_LUA_METHOD_LIST (
+ MRP_LUA_OVERRIDE_CALL (priority_create)
+ MRP_LUA_OVERRIDE_GETFIELD (priority_getfield)
+ MRP_LUA_OVERRIDE_SETFIELD (priority_setfield)
+ )
+);
+
+#define BUFLEN 1024
+static uint32_t get_node_id(immelmann_t *ctx, const char *name, bool sink)
+{
+ char cmdbuf[BUFLEN];
+ int ret;
+ mql_result_t *result = NULL;
+ uint32_t id = 0;
+ mqi_handle_t tx;
+
+ MRP_UNUSED(ctx);
+
+ tx = mqi_begin_transaction();
+
+ /* FIXME: quote the string? */
+
+ ret = snprintf(cmdbuf, BUFLEN, "SELECT id from %s where name = '%s'",
+ sink ? "audio_manager_sinks" : "audio_manager_sources",
+ name);
+
+ if (ret < 0 || ret == BUFLEN)
+ goto end;
+
+ result = mql_exec_string(mql_result_rows, cmdbuf);
+
+ if (!mql_result_is_success(result))
+ goto end;
+
+ if (mql_result_rows_get_row_count(result) != 1)
+ goto end;
+
+ id = mql_result_rows_get_unsigned(result, 0, 0); /* first column, row */
+
+end:
+ if (result)
+ mql_result_free(result);
+
+ mqi_commit_transaction(tx);
+ return id;
+}
+#undef BUFLEN
+
+static uint32_t get_source_id(immelmann_t *ctx, const char *source)
+{
+ return get_node_id(ctx, source, FALSE);
+}
+
+static uint32_t get_sink_id(immelmann_t *ctx, const char *sink)
+{
+ return get_node_id(ctx, sink, TRUE);
+}
+
+
+#define BUFLEN 1024
+static bool is_sink_available(immelmann_t *ctx, const char *sink)
+{
+ char cmdbuf[BUFLEN];
+ int ret;
+ mql_result_t *result = NULL;
+ bool available = FALSE;
+ mqi_handle_t tx;
+
+ MRP_UNUSED(ctx);
+
+ /* check from the database table if GAM has provided this sink */
+
+ tx = mqi_begin_transaction();
+
+ /*
+ a sink can be used if it's both visible and available:
+ - "visible" means that the sink cannot be referenced from HMI.
+ - "available" means that the sink cannot be used.
+ */
+
+ ret = snprintf(cmdbuf, BUFLEN, "SELECT * from audio_manager_sinks where name = '%s'", sink);
+
+ if (ret < 0 || ret == BUFLEN)
+ goto end;
+
+ result = mql_exec_string(mql_result_rows, cmdbuf);
+
+ if (!mql_result_is_success(result))
+ goto end;
+
+ if (mql_result_rows_get_row_count(result) == 1) {
+ uint32_t sink_available = mql_result_rows_get_unsigned(result, 2, 0);
+ uint32_t sink_visible = mql_result_rows_get_unsigned(result, 3, 0);
+
+ /* currently there's a bug that makes AND not work in MQL */
+
+ if (sink_available && sink_visible) {
+ available = TRUE;
+ }
+ }
+
+end:
+ if (result)
+ mql_result_free(result);
+
+ mqi_commit_transaction(tx);
+ return available;
+}
+#undef BUFLEN
+
+static void create_priority_class(immelmann_t *ctx)
+{
+ lua_State *L = mrp_lua_get_lua_state();
+
+ MRP_UNUSED(ctx);
+
+ mrp_lua_create_object_class(L, PRIORITY_CLASS);
+}
+
+static mrp_list_hook_t *get_priorities_for_application_class(immelmann_t *ctx,
+ const char *name)
+{
+ priority_t *prio = mrp_htbl_lookup(ctx->pqs, (char *) name);
+ mrp_list_hook_t *priorities;
+ int i;
+ mrp_funcbridge_value_t ret;
+ char t;
+ mrp_funcbridge_value_t args[1] = { { .pointer = prio } };
+ lua_State *L = mrp_lua_get_lua_state();
+ char **arr;
+
+ if (!prio->get_sinks)
+ return NULL;
+
+ priorities = mrp_allocz(sizeof(mrp_list_hook_t));
+
+ if (!priorities) {
+ goto error;
+ }
+
+ mrp_list_init(priorities);
+
+ /* run the sink evaluation function and return the result */
+
+ if (!mrp_funcbridge_call_from_c(L, prio->get_sinks, "o", args, &t,
+ &ret)) {
+ mrp_log_error("immelmann: failed to call priorities function (%s)",
+ ret.string);
+ mrp_free((void *) ret.string); /* error msg string or NULL */
+ goto error;
+ }
+
+ if (t != MRP_FUNCBRIDGE_ARRAY) {
+ mrp_log_error("immelmann: priorities with wrong return type (%c)",
+ t);
+ goto error;
+ }
+
+ if (!ret.array.type == MRP_FUNCBRIDGE_STRING) {
+ mrp_log_error("immelmann: priorities aren't strings (%c)",
+ ret.array.type);
+ goto error;
+ }
+
+ arr = (char **) ret.array.items;
+
+ for (i = 0; i < ret.array.nitem; i++) {
+
+ routing_target_t *target = mrp_allocz(sizeof(routing_target_t));
+
+ if (!target) {
+ mrp_log_error("immelmann: out of memory");
+ goto error;
+ }
+
+ mrp_list_init(&target->hook);
+
+ if (!arr[i]) {
+ mrp_log_error("immelmann: array missing elements");
+ goto error;
+ }
+
+ target->name = mrp_strdup(arr[i]);
+ if (!target->name) {
+ mrp_log_error("immelmann: out of memory");
+ mrp_free(target);
+ goto error;
+ }
+
+ /* free the memory while we go */
+
+ mrp_free(arr[i]);
+ arr[i] = NULL;
+
+ mrp_list_append(priorities, &target->hook);
+ }
+
+ mrp_free(ret.array.items);
+
+ return priorities;
+
+error:
+ arr = (char **) ret.array.items;
+ if (arr) {
+ for (; i < ret.array.nitem; i++) {
+ mrp_free(arr[i]);
+ }
+
+ mrp_free(arr);
+ }
+
+ if (priorities) {
+ mrp_list_hook_t *p, *n;
+
+ mrp_list_foreach(priorities, p, n) {
+ routing_target_t *t = mrp_list_entry(p, typeof(*t), hook);
+
+ mrp_list_delete(&t->hook);
+ mrp_free(t->name);
+ mrp_free(t);
+ }
+
+ mrp_free(priorities);
+ }
+ return NULL;
+}
+
+static const char *get_default_sink(immelmann_t *ctx, mrp_resource_set_t *rset)
+{
+ mrp_list_hook_t *pq = NULL;
+ mrp_list_hook_t *p, *n;
+ const char *name = NULL;
+
+ /* get the priority list from Murphy configuration for this particular
+ * application class */
+
+ pq = get_priorities_for_application_class(ctx, rset->class.ptr->name);
+
+ if (!pq)
+ return NULL;
+
+ /* go through the list while checking if the defined sinks are available */
+
+ mrp_list_foreach(pq, p, n) {
+ routing_target_t *t = mrp_list_entry(p, typeof(*t), hook);
+
+ if (is_sink_available(ctx, t->name)) {
+ name = t->name;
+ break;
+ }
+ }
+
+ /* free the data */
+ mrp_list_foreach(pq, p, n) {
+ routing_target_t *t = mrp_list_entry(p, typeof(*t), hook);
+ mrp_list_delete(&t->hook);
+ mrp_free(t->name);
+ mrp_free(t);
+ }
+ mrp_free(pq);
+
+ mrp_log_info("default sink: %s", name ? name : "null");
+
+ return name;
+}
+
+static void connect_cb(int error, int retval, int narg, mrp_domctl_arg_t *args,
+ void *user_data)
+{
+ uint32_t connid;
+ domain_data_t *d = (domain_data_t *) user_data;
+ mrp_resource_set_t *rset;
+
+ MRP_UNUSED(narg);
+ MRP_UNUSED(args);
+
+ if (error || retval == 0) {
+ mrp_log_error("immelmann: connect call to GAM failed: %d / %d", error,
+ retval);
+ goto end;
+ }
+
+ connid = retval;
+
+ if (connid == 0) {
+ mrp_log_error("immelmann: error doing the GAM connection");
+ goto end;
+ }
+
+ rset = mrp_resource_set_find_by_id(d->rset_id);
+
+ if (!rset) {
+ mrp_log_error("immelmann: no resource set matching id (%u)", d->rset_id);
+ goto end;
+ }
+
+ mrp_log_info("immelmann: got connection id %u for resource set %u",
+ connid, d->rset_id);
+
+end:
+ mrp_free(d->resource);
+ mrp_free(d);
+
+ /* TODO: what to do to the resource set in the error case? */
+}
+
+static bool register_sink_with_gam(immelmann_t *ctx, mrp_resource_set_t *rset,
+ const char *appid)
+{
+ const char *source;
+ const char *sink;
+ uint32_t sink_id, source_id, rset_id;
+ mrp_domctl_arg_t args[3];
+ domain_data_t *d;
+
+ /* map the appid to sources as defined in configuration */
+
+ if (ctx->mapping == NULL ||
+ !mrp_json_get_string(ctx->mapping, appid, &source))
+ source = ctx->app_default;
+
+ /* ask GAM for the connection via control interface */
+
+ sink = get_default_sink(ctx, rset);
+
+ if (!sink) {
+ mrp_log_error("immelmann: error finding default sink, using global default");
+ sink = ctx->default_sink;
+ }
+
+ rset_id = mrp_get_resource_set_id(rset);
+ source_id = get_source_id(ctx, source);
+ sink_id = get_sink_id(ctx, sink);
+
+ mrp_log_info("immelmann: register rset %u with GAM! (%s(%u) -> %s(%u))",
+ rset_id, source, source_id, sink, sink_id);
+
+ /*
+ calling GAM:
+ domain: "audio-manager", function: "connect", source_id, sink_id
+ return value: connection id, 0 as error
+ */
+
+ args[0].type = MRP_DOMCTL_UINT16;
+ args[0].u16 = source_id;
+
+ args[1].type = MRP_DOMCTL_UINT16;
+ args[1].u16 = sink_id;
+
+ args[2].type = MRP_DOMCTL_UINT32;
+ args[2].u32 = rset_id;
+
+ /* TODO: do proper error handling */
+
+ d = mrp_allocz(sizeof(domain_data_t));
+
+ if (!d) {
+ mrp_log_error("immelmann: memory allocation error");
+ return false;
+ }
+
+ /* TODO: resource names from config */
+ d->resource = mrp_strdup(ctx->playback_resource);
+ if (!d->resource) {
+ mrp_log_error("immelmann: memory allocation error");
+ mrp_free(d);
+ return false;
+ }
+
+ d->ctx = ctx;
+ d->rset_id = rset->id; /* use id to escape a race condition */
+
+ if (!mrp_invoke_domain(ctx->mrp_ctx, "audio-manager", "connect", 3, args,
+ connect_cb, d)) {
+ mrp_log_error("immmelmann: failed to send connect request to GAM");
+ mrp_free(d->resource);
+ mrp_free(d);
+ return false;
+ }
+
+ return true;
+}
+
+static void resource_set_event(mrp_event_watch_t *w, int id, mrp_msg_t *event_data,
+ void *user_data)
+{
+ immelmann_t *ctx = (immelmann_t *) user_data;
+ uint32_t rset_id;
+ uint16_t tag = MRP_RESOURCE_TAG_RSET_ID;
+
+ MRP_UNUSED(w);
+
+ mrp_msg_get(event_data, MRP_MSG_TAG_UINT32(tag, &rset_id), NULL);
+
+ mrp_log_info("immelmann: resource set event '%d' for '%u' received!", id, rset_id);
+
+ if (id == ctx->events[CREATED]) {
+ mrp_resource_set_t *rset = mrp_resource_set_find_by_id(rset_id);
+
+ mrp_log_info("immelmann: Resource set %u (%p) was created", rset_id, rset);
+ }
+ else if (id == ctx->events[ACQUIRE]) {
+ mrp_resource_set_t *rset = mrp_resource_set_find_by_id(rset_id);
+ void *iter = NULL;
+ mrp_resource_t *resource;
+ mrp_resource_t *audio_playback = NULL;
+ mrp_resource_t *audio_recording = NULL;
+ const char *name;
+
+ if (!rset)
+ return;
+
+ while ((resource = mrp_resource_set_iterate_resources(rset, &iter))) {
+
+ name = mrp_resource_get_name(resource);
+
+ if (strcmp(name, ctx->playback_resource) == 0)
+ audio_playback = resource;
+
+ else if (strcmp(name, ctx->recording_resource) == 0)
+ audio_recording = resource;
+
+ if (audio_playback && audio_recording)
+ break;
+ }
+
+ if (audio_playback) {
+ mrp_attr_t *app_id; /* the application itself */
+ mrp_attr_t *conn_id;
+
+ app_id = mrp_resource_set_get_attribute_by_name(rset,
+ ctx->playback_resource, APPID_ATTRIBUTE);
+ conn_id = mrp_resource_set_get_attribute_by_name(rset,
+ ctx->playback_resource, CONNID_ATTRIBUTE);
+
+ if (!app_id || !conn_id) {
+ /* what is this? */
+ mrp_log_error("immelmann: source or conn_id attributes not defined!");
+ }
+ else if (conn_id->type != mqi_integer ||
+ app_id->type != mqi_string) {
+ mrp_log_error("immelmann: appid or connid types don't match!");
+ }
+ else if (conn_id->value.integer < 1) {
+ /* this connection is not yet managed by GAM */
+
+ register_sink_with_gam(ctx, rset, app_id->value.string);
+ }
+ }
+
+ /* TODO: think properly about hos to handle audio recording */
+
+ mrp_log_info("immelmann: Resource set %u (%p) was acquired", rset_id, rset);
+ }
+ else if (id == ctx->events[RELEASE]) {
+ mrp_resource_set_t *rset = mrp_resource_set_find_by_id(rset_id);
+
+ mrp_log_info("immelmann: Resource set %u (%p) was released", rset_id, rset);
+ }
+ else if (id == ctx->events[DESTROYED]) {
+ mrp_log_info("immelmann: Resource set %u was destroyed", rset_id);
+ }
+}
+
+
+static int priority_create(lua_State *L)
+{
+ priority_t *prio;
+ size_t fldnamlen;
+ const char *fldnam;
+ char *name = NULL;
+ mrp_funcbridge_t *get_sinks = NULL;
+ mrp_list_hook_t *priority_queue;
+ immelmann_t *ctx = global_ctx;
+
+ MRP_LUA_ENTER;
+
+ priority_queue = mrp_allocz(sizeof(mrp_list_hook_t));
+
+ mrp_list_init(priority_queue);
+
+ /*
+ general_pq = {
+ "headset", "bluetooth", "speakers"
+ }
+
+ sink_routing_priority {
+ application_class = "player",
+ priority_queue = general_pq
+ }
+ */
+
+ MRP_LUA_FOREACH_FIELD(L, 2, fldnam, fldnamlen) {
+
+ if (strncmp(fldnam, "application_class", fldnamlen) == 0) {
+ name = mrp_strdup(luaL_checkstring(L, -1));
+ }
+ else if (strncmp(fldnam, "priority_queue", fldnamlen) == 0) {
+ if (lua_isfunction(L, -1)) {
+ /* store the function to a function pointer */
+ get_sinks = mrp_funcbridge_create_luafunc(L, -1);
+ }
+ }
+ else {
+ mrp_log_error("immelmann: unknown field");
+ }
+ }
+
+ if (!name)
+ luaL_error(L, "missing or wrong application_class field");
+
+ /* FIXME: check that there is an application class definition for 'name'? */
+
+ prio = (priority_t *) mrp_lua_create_object(L, PRIORITY_CLASS, name, 0);
+
+ if (!prio)
+ luaL_error(L, "invalid or duplicate application_class '%s'", name);
+ else {
+ prio->name = name;
+ prio->get_sinks = get_sinks;
+ mrp_log_info("immelmann: application class priority object '%s' created", name);
+ }
+
+ if (ctx) {
+ mrp_htbl_insert(ctx->pqs, name, prio);
+ }
+
+ MRP_LUA_LEAVE(1);
+}
+
+static int priority_getfield(lua_State *L)
+{
+ MRP_LUA_ENTER;
+
+ /* TODO */
+ lua_pushnil(L);
+
+ MRP_LUA_LEAVE(1);
+}
+
+static int priority_setfield(lua_State *L)
+{
+ MRP_LUA_ENTER;
+
+ luaL_error(L, "TODO: add dynamic modification of priorities");
+
+ MRP_LUA_LEAVE(0);
+}
+
+static void priority_destroy(void *data)
+{
+ priority_t *prio = (priority_t *) data;
+ mrp_list_hook_t *p, *n;
+
+ MRP_LUA_ENTER;
+
+ mrp_free(prio->name);
+
+ mrp_funcbridge_unref(mrp_lua_get_lua_state(), prio->get_sinks);
+ prio->get_sinks = NULL;
+ prio->name = NULL;
+
+ MRP_LUA_LEAVE_NOARG;
+}
+
+static int plugin_init(mrp_plugin_t *plugin)
+{
+ immelmann_t *ctx;
+ ctx = mrp_allocz(sizeof(immelmann_t));
+ mrp_event_mask_t mask = 0;
+ mrp_htbl_config_t conf;
+
+ mrp_reset_event_mask(&mask);
+
+ if (!ctx)
+ goto error;
+
+ ctx->zone = mrp_strdup(plugin->args[ARG_ZONE].str);
+ ctx->default_sink = mrp_strdup(plugin->args[ARG_DEFAULT_SINK].str);
+ ctx->app_default = mrp_strdup(plugin->args[ARG_APP_DEFAULT].str);
+ ctx->playback_resource = mrp_strdup(plugin->args[ARG_PLAYBACK_RESOURCE].str);
+ ctx->recording_resource = mrp_strdup(plugin->args[ARG_RECORDING_RESOURCE].str);
+
+ ctx->mapping = plugin->args[ARG_APP_MAPPING].obj.json;
+
+ if (!ctx->zone || !ctx->default_sink)
+ goto error;
+
+ ctx->ml = plugin->ctx->ml;
+ ctx->mrp_ctx = plugin->ctx;
+ plugin->data = ctx;
+
+ global_ctx = ctx;
+
+ /* subscribe to the events coming from resource library */
+
+ mrp_add_named_event(&mask, MURPHY_RESOURCE_EVENT_CREATED);
+ mrp_add_named_event(&mask, MURPHY_RESOURCE_EVENT_ACQUIRE);
+ mrp_add_named_event(&mask, MURPHY_RESOURCE_EVENT_RELEASE);
+ mrp_add_named_event(&mask, MURPHY_RESOURCE_EVENT_DESTROYED);
+
+ ctx->events[CREATED] = mrp_get_event_id(MURPHY_RESOURCE_EVENT_CREATED, 1);
+ ctx->events[ACQUIRE] = mrp_get_event_id(MURPHY_RESOURCE_EVENT_ACQUIRE, 1);
+ ctx->events[RELEASE] = mrp_get_event_id(MURPHY_RESOURCE_EVENT_RELEASE, 1);
+ ctx->events[DESTROYED] = mrp_get_event_id(MURPHY_RESOURCE_EVENT_DESTROYED,
+ 1);
+
+ mrp_add_event(&mask, ctx->events[CREATED]);
+ mrp_add_event(&mask, ctx->events[ACQUIRE]);
+ mrp_add_event(&mask, ctx->events[RELEASE]);
+ mrp_add_event(&mask, ctx->events[DESTROYED]);
+
+ conf.comp = mrp_string_comp;
+ conf.hash = mrp_string_hash;
+ conf.free = NULL;
+ conf.nbucket = 0;
+ conf.nentry = 10;
+
+ ctx->pqs = mrp_htbl_create(&conf);
+
+ if (!ctx->pqs)
+ goto error;
+
+ ctx->w = mrp_add_event_watch(&mask, resource_set_event, ctx);
+ if (!ctx->w)
+ goto error;
+
+ create_priority_class(ctx);
+
+ mrp_log_info("Launched the Murphy Immelmann plugin!");
+ return TRUE;
+
+error:
+ mrp_log_error("Error starting Murphy Immelmann plugin!");
+
+ if (ctx->w)
+ mrp_del_event_watch(ctx->w);
+
+ if (ctx->pqs)
+ mrp_htbl_destroy(ctx->pqs, FALSE);
+
+ mrp_free(ctx->default_sink);
+ mrp_free(ctx->app_default);
+ mrp_free(ctx->playback_resource);
+ mrp_free(ctx->recording_resource);
+ mrp_free(ctx->zone);
+ if (ctx->mapping)
+ mrp_json_unref(ctx->mapping);
+ mrp_free(ctx);
+
+ global_ctx = NULL;
+
+ return FALSE;
+}
+
+static void plugin_exit(mrp_plugin_t *plugin)
+{
+ immelmann_t *ctx = (immelmann_t *) plugin->data;
+
+ if (ctx->w)
+ mrp_del_event_watch(ctx->w);
+
+ if (ctx->pqs)
+ mrp_htbl_destroy(ctx->pqs, FALSE);
+
+ mrp_free(ctx->default_sink);
+ mrp_free(ctx->zone);
+ mrp_free(ctx);
+
+ global_ctx = NULL;
+}
+
+#define DEFAULT_ZONE "driver"
+#define DEFAULT_SINK "speakers"
+#define DEFAULT_APP_DEFAULT "icoApplication"
+#define DEFAULT_APP_MAPPING "{}"
+#define DEFAULT_PLAYBACK_RESOURCE "audio_playback"
+#define DEFAULT_RECORDING_RESOURCE "audio_recording"
+
+#define PLUGIN_DESCRIPTION "Plugin to add PA streams to GAM (with resource support)"
+#define PLUGIN_HELP "Help coming later."
+#define PLUGIN_AUTHORS "Ismo Puustinen <ismo.puustinen@intel.com>"
+#define PLUGIN_VERSION MRP_VERSION_INT(0, 0, 1)
+
+static mrp_plugin_arg_t plugin_args[] = {
+ MRP_PLUGIN_ARGIDX(ARG_ZONE, STRING, "zone", DEFAULT_ZONE),
+ MRP_PLUGIN_ARGIDX(ARG_DEFAULT_SINK, STRING, "default_sink", DEFAULT_SINK),
+ MRP_PLUGIN_ARGIDX(ARG_APP_DEFAULT, STRING, "app_default", DEFAULT_APP_DEFAULT),
+ MRP_PLUGIN_ARGIDX(ARG_APP_MAPPING, OBJECT, "app_mapping", DEFAULT_APP_MAPPING),
+ MRP_PLUGIN_ARGIDX(ARG_PLAYBACK_RESOURCE, STRING, "playback_resource", DEFAULT_PLAYBACK_RESOURCE),
+ MRP_PLUGIN_ARGIDX(ARG_RECORDING_RESOURCE, STRING, "recording_resource", DEFAULT_RECORDING_RESOURCE),
+};
+
+MURPHY_REGISTER_PLUGIN("immelmann",
+ PLUGIN_VERSION, PLUGIN_DESCRIPTION, PLUGIN_AUTHORS,
+ PLUGIN_HELP, MRP_SINGLETON, plugin_init, plugin_exit,
+ plugin_args, MRP_ARRAY_SIZE(plugin_args),
+ NULL, 0,
+ NULL, 0,
+ NULL);