syslog() is a blocking call on eglibc. as procd provides the actual syslog, weneed...

[project/procd.git] / service.c

diff --git a/service.c b/service.c
index 8083e93..29acc57 100644 (file)
--- a/service.c
+++ b/service.c
@@ -12,10 +12,12 @@
  * GNU General Public License for more details.
  */
 
+#include <libubox/blobmsg_json.h>
 #include <libubox/avl-cmp.h>
 #include "procd.h"
 #include "service.h"
 #include "instance.h"
+#include "rcS.h"
 
 struct avl_tree services;
 static struct blob_buf b;
@@ -54,7 +56,7 @@ service_instance_update(struct vlist_tree *tree, struct vlist_node *node_new,
                instance_free(in_n);
        } else if (in_o) {
                DEBUG(1, "Free instance %s::%s\n", in_o->srv->name, in_o->name);
-               instance_stop(in_o, false);
+               instance_stop(in_o);
                instance_free(in_o);
        } else if (in_n) {
                DEBUG(1, "Create instance %s::%s\n", in_n->srv->name, in_n->name);
@@ -83,6 +85,7 @@ enum {
        SERVICE_SET_NAME,
        SERVICE_SET_SCRIPT,
        SERVICE_SET_INSTANCES,
+       SERVICE_SET_TRIGGER,
        __SERVICE_SET_MAX
 };
 
@@ -90,15 +93,29 @@ static const struct blobmsg_policy service_set_attrs[__SERVICE_SET_MAX] = {
        [SERVICE_SET_NAME] = { "name", BLOBMSG_TYPE_STRING },
        [SERVICE_SET_SCRIPT] = { "script", BLOBMSG_TYPE_STRING },
        [SERVICE_SET_INSTANCES] = { "instances", BLOBMSG_TYPE_TABLE },
+       [SERVICE_SET_TRIGGER] = { "triggers", BLOBMSG_TYPE_ARRAY },
 };
 
-
 static int
 service_update(struct service *s, struct blob_attr *config, struct blob_attr **tb, bool add)
 {
        struct blob_attr *cur;
        int rem;
 
+       if (s->trigger) {
+               trigger_del(s);
+               free(s->trigger);
+               s->trigger = NULL;
+       }
+
+       if (tb[SERVICE_SET_TRIGGER] && blobmsg_data_len(tb[SERVICE_SET_TRIGGER])) {
+               s->trigger = malloc(blob_pad_len(tb[SERVICE_SET_TRIGGER]));
+               if (!s->trigger)
+                       return -1;
+               memcpy(s->trigger, tb[SERVICE_SET_TRIGGER], blob_pad_len(tb[SERVICE_SET_TRIGGER]));
+               trigger_add(s->trigger, s);
+       }
+
        if (tb[SERVICE_SET_INSTANCES]) {
                if (!add)
                        vlist_update(&s->instances);
@@ -109,6 +126,8 @@ service_update(struct service *s, struct blob_attr *config, struct blob_attr **t
                        vlist_flush(&s->instances);
        }
 
+       rc(s->name, "running");
+
        return 0;
 }
 
@@ -117,7 +136,9 @@ service_delete(struct service *s)
 {
        vlist_flush_all(&s->instances);
        avl_delete(&services, &s->avl);
-       free(s->config);
+       trigger_del(s);
+       s->trigger = NULL;
+       free(s->trigger);
        free(s);
 }
 
@@ -141,6 +162,25 @@ static const struct blobmsg_policy service_del_attrs[__SERVICE_DEL_ATTR_MAX] = {
        [SERVICE_DEL_ATTR_INSTANCE] = { "instance", BLOBMSG_TYPE_STRING },
 };
 
+enum {
+       SERVICE_LIST_ATTR_VERBOSE,
+       __SERVICE_LIST_ATTR_MAX,
+};
+
+static const struct blobmsg_policy service_list_attrs[__SERVICE_LIST_ATTR_MAX] = {
+       [SERVICE_LIST_ATTR_VERBOSE] = { "verbose", BLOBMSG_TYPE_BOOL },
+};
+
+enum {
+       EVENT_TYPE,
+       EVENT_DATA,
+       __EVENT_MAX
+};
+
+static const struct blobmsg_policy event_policy[__EVENT_MAX] = {
+       [EVENT_TYPE] = { .name = "type", .type = BLOBMSG_TYPE_STRING },
+       [EVENT_DATA] = { .name = "data", .type = BLOBMSG_TYPE_TABLE },
+};
 
 static int
 service_handle_set(struct ubus_context *ctx, struct ubus_object *obj,
@@ -185,16 +225,24 @@ free:
 }
 
 static void
-service_dump(struct service *s)
+service_dump(struct service *s, int verbose)
 {
        struct service_instance *in;
        void *c, *i;
 
        c = blobmsg_open_table(&b, s->name);
+
+       if (avl_is_empty(&s->instances.avl)) {
+               blobmsg_close_table(&b, c);
+               return;
+       }
+
        i = blobmsg_open_table(&b, "instances");
        vlist_for_each_element(&s->instances, in, node)
-               instance_dump(&b, in);
+               instance_dump(&b, in, verbose);
        blobmsg_close_table(&b, i);
+       if (verbose && s->trigger)
+               blobmsg_add_blob(&b, s->trigger);
        blobmsg_close_table(&b, c);
 }
 
@@ -203,11 +251,18 @@ service_handle_list(struct ubus_context *ctx, struct ubus_object *obj,
                    struct ubus_request_data *req, const char *method,
                    struct blob_attr *msg)
 {
+       struct blob_attr *tb[__SERVICE_LIST_ATTR_MAX];
        struct service *s;
+       int verbose = 0;
+
+       blobmsg_parse(service_list_attrs, __SERVICE_LIST_ATTR_MAX, tb, blob_data(msg), blob_len(msg));
+
+       if (tb[SERVICE_LIST_ATTR_VERBOSE] && blobmsg_get_bool(tb[SERVICE_LIST_ATTR_VERBOSE]))
+               verbose = 1;
 
        blob_buf_init(&b, 0);
        avl_for_each_element(&services, s, avl)
-               service_dump(s);
+               service_dump(s, verbose);
 
        ubus_send_reply(ctx, req, b.head);
 
@@ -220,17 +275,14 @@ service_handle_delete(struct ubus_context *ctx, struct ubus_object *obj,
                    struct blob_attr *msg)
 {
        struct blob_attr *tb[__SERVICE_DEL_ATTR_MAX], *cur;
-       struct service *s, *tmp;
+       struct service *s;
        struct service_instance *in;
 
        blobmsg_parse(service_del_attrs, __SERVICE_DEL_ATTR_MAX, tb, blob_data(msg), blob_len(msg));
 
        cur = tb[SERVICE_DEL_ATTR_NAME];
-       if (!cur) {
-               avl_for_each_element_safe(&services, s, avl, tmp)
-                       service_delete(s);
-               return 0;
-       }
+       if (!cur)
+               return UBUS_STATUS_NOT_FOUND;
 
        s = avl_find_element(&services, blobmsg_data(cur), s, avl);
        if (!s)
@@ -279,6 +331,25 @@ service_handle_update(struct ubus_context *ctx, struct ubus_object *obj,
        return 0;
 }
 
+static int
+service_handle_event(struct ubus_context *ctx, struct ubus_object *obj,
+                       struct ubus_request_data *req, const char *method,
+                       struct blob_attr *msg)
+{
+       struct blob_attr *tb[__EVENT_MAX];
+
+       if (!msg)
+               return UBUS_STATUS_INVALID_ARGUMENT;
+
+       blobmsg_parse(event_policy, __EVENT_MAX, tb, blob_data(msg), blob_len(msg));
+       if (!tb[EVENT_TYPE] || !tb[EVENT_DATA])
+               return UBUS_STATUS_INVALID_ARGUMENT;
+
+       trigger_event(blobmsg_get_string(tb[EVENT_TYPE]), tb[EVENT_DATA]);
+
+       return 0;
+}
+
 static struct ubus_method main_object_methods[] = {
        UBUS_METHOD("set", service_handle_set, service_set_attrs),
        UBUS_METHOD("add", service_handle_set, service_set_attrs),
@@ -286,6 +357,7 @@ static struct ubus_method main_object_methods[] = {
        UBUS_METHOD("delete", service_handle_delete, service_del_attrs),
        UBUS_METHOD("update_start", service_handle_update, service_attrs),
        UBUS_METHOD("update_complete", service_handle_update, service_attrs),
+       UBUS_METHOD("event", service_handle_event, event_policy),
 };
 
 static struct ubus_object_type main_object_type =