X-Git-Url: https://git.archive.openwrt.org/?p=project%2Fprocd.git;a=blobdiff_plain;f=service.c;h=b5f4f3ed091745deefdb9eedd2657aaf4af8dea6;hp=1f1b1a88cb433015e823528530c73b5900fb1593;hb=d8695bda1728d205fd76a4a5f8b329de418928dc;hpb=2c6b282d4b4a22e511e8cced48263fd0bc9cc6da diff --git a/service.c b/service.c index 1f1b1a8..b5f4f3e 100644 --- a/service.c +++ b/service.c @@ -1,3 +1,17 @@ +/* + * Copyright (C) 2013 Felix Fietkau + * Copyright (C) 2013 John Crispin + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 2.1 + * as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + #include #include "procd.h" #include "service.h" @@ -10,7 +24,6 @@ static void service_instance_add(struct service *s, struct blob_attr *attr) { struct service_instance *in; - const char *name = blobmsg_name(attr); if (blobmsg_type(attr) != BLOBMSG_TYPE_TABLE) return; @@ -19,8 +32,8 @@ service_instance_add(struct service *s, struct blob_attr *attr) if (!in) return; - instance_init(in, attr); - vlist_add(&s->instances, &in->node, (void *) name); + instance_init(in, s, attr); + vlist_add(&s->instances, &in->node, (void *) in->name); } static void @@ -36,12 +49,15 @@ service_instance_update(struct vlist_tree *tree, struct vlist_node *node_new, in_n = container_of(node_new, struct service_instance, node); if (in_o && in_n) { + DEBUG(1, "Update instance %s::%s\n", in_o->srv->name, in_o->name); instance_update(in_o, in_n); 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_free(in_o); } else if (in_n) { + DEBUG(1, "Create instance %s::%s\n", in_n->srv->name, in_n->name); instance_start(in_n); } } @@ -50,50 +66,52 @@ static struct service * service_alloc(const char *name) { struct service *s; + char *new_name; + + s = calloc_a(sizeof(*s), &new_name, strlen(name) + 1); + strcpy(new_name, name); - s = calloc(1, sizeof(*s)); vlist_init(&s->instances, avl_strcmp, service_instance_update); s->instances.keep_old = true; + s->name = new_name; + s->avl.key = s->name; return s; } enum { - SERVICE_ATTR_NAME, - SERVICE_ATTR_SCRIPT, - SERVICE_ATTR_INSTANCES, - __SERVICE_ATTR_MAX + SERVICE_SET_NAME, + SERVICE_SET_SCRIPT, + SERVICE_SET_INSTANCES, + SERVICE_SET_TRIGGER, + __SERVICE_SET_MAX }; -static const struct blobmsg_policy service_attrs[__SERVICE_ATTR_MAX] = { - [SERVICE_ATTR_NAME] = { "name", BLOBMSG_TYPE_STRING }, - [SERVICE_ATTR_SCRIPT] = { "script", BLOBMSG_TYPE_STRING }, - [SERVICE_ATTR_INSTANCES] = { "instances", BLOBMSG_TYPE_TABLE }, +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) +service_update(struct service *s, struct blob_attr *config, struct blob_attr **tb, bool add) { - struct blob_attr *old_config = s->config; struct blob_attr *cur; int rem; - /* only the pointer changes, the content stays the same, - * no avl update necessary */ - s->name = s->avl.key = blobmsg_data(tb[SERVICE_ATTR_NAME]); - s->config = config; + s->trigger = tb[SERVICE_SET_TRIGGER]; - if (tb[SERVICE_ATTR_INSTANCES]) { - vlist_update(&s->instances); - blobmsg_for_each_attr(cur, tb[SERVICE_ATTR_INSTANCES], rem) { + if (tb[SERVICE_SET_INSTANCES]) { + if (!add) + vlist_update(&s->instances); + blobmsg_for_each_attr(cur, tb[SERVICE_SET_INSTANCES], rem) { service_instance_add(s, cur); } - vlist_flush(&s->instances); + if (!add) + vlist_flush(&s->instances); } - free(old_config); - return 0; } @@ -106,21 +124,58 @@ service_delete(struct service *s) free(s); } +enum { + SERVICE_ATTR_NAME, + __SERVICE_ATTR_MAX, +}; + +static const struct blobmsg_policy service_attrs[__SERVICE_ATTR_MAX] = { + [SERVICE_ATTR_NAME] = { "name", BLOBMSG_TYPE_STRING }, +}; + +enum { + SERVICE_DEL_ATTR_NAME, + SERVICE_DEL_ATTR_INSTANCE, + __SERVICE_DEL_ATTR_MAX, +}; + +static const struct blobmsg_policy service_del_attrs[__SERVICE_DEL_ATTR_MAX] = { + [SERVICE_DEL_ATTR_NAME] = { "name", BLOBMSG_TYPE_STRING }, + [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_INT32 }, +}; + +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, struct ubus_request_data *req, const char *method, struct blob_attr *msg) { - struct blob_attr *tb[__SERVICE_ATTR_MAX], *cur; + struct blob_attr *tb[__SERVICE_SET_MAX], *cur; struct service *s = NULL; const char *name; int ret = UBUS_STATUS_INVALID_ARGUMENT; + bool add = !strcmp(method, "add"); - msg = blob_memdup(msg); - if (!msg) - return UBUS_STATUS_UNKNOWN_ERROR; - - blobmsg_parse(service_attrs, __SERVICE_ATTR_MAX, tb, blob_data(msg), blob_len(msg)); + blobmsg_parse(service_set_attrs, __SERVICE_SET_MAX, tb, blob_data(msg), blob_len(msg)); cur = tb[SERVICE_ATTR_NAME]; if (!cur) goto free; @@ -128,14 +183,17 @@ service_handle_set(struct ubus_context *ctx, struct ubus_object *obj, name = blobmsg_data(cur); s = avl_find_element(&services, name, s, avl); - if (s) - return service_update(s, msg, tb); + if (s) { + DEBUG(1, "Update service %s\n", name); + return service_update(s, msg, tb, add); + } + DEBUG(1, "Create service %s\n", name); s = service_alloc(name); if (!s) return UBUS_STATUS_UNKNOWN_ERROR; - ret = service_update(s, msg, tb); + ret = service_update(s, msg, tb, add); if (ret) goto free; @@ -149,15 +207,20 @@ free: } static void -service_dump(struct service *s) +service_dump(struct service *s, int verbose) { struct service_instance *in; void *c, *i; + if (avl_is_empty(&s->instances.avl)) + return; + c = blobmsg_open_table(&b, s->name); i = blobmsg_open_table(&b, "instances"); + if (verbose && s->trigger) + blobmsg_add_blob(&b, s->trigger); vlist_for_each_element(&s->instances, in, node) - instance_dump(&b, in); + instance_dump(&b, in, verbose); blobmsg_close_table(&b, i); blobmsg_close_table(&b, c); } @@ -167,56 +230,141 @@ 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_u32(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); return 0; } -enum { - SERVICE_DEL_NAME, - __SERVICE_DEL_MAX, -}; - -static const struct blobmsg_policy service_del_attrs[__SERVICE_DEL_MAX] = { - [SERVICE_DEL_NAME] = { "name", BLOBMSG_TYPE_STRING }, -}; - - static int service_handle_delete(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_DEL_MAX], *cur; - struct service *s, *tmp; + struct blob_attr *tb[__SERVICE_DEL_ATTR_MAX], *cur; + struct service *s; + struct service_instance *in; - blobmsg_parse(service_del_attrs, __SERVICE_DEL_MAX, tb, blob_data(msg), blob_len(msg)); + blobmsg_parse(service_del_attrs, __SERVICE_DEL_ATTR_MAX, tb, blob_data(msg), blob_len(msg)); - cur = tb[SERVICE_ATTR_NAME]; + cur = tb[SERVICE_DEL_ATTR_NAME]; + if (!cur) + return UBUS_STATUS_NOT_FOUND; + + s = avl_find_element(&services, blobmsg_data(cur), s, avl); + if (!s) + return UBUS_STATUS_NOT_FOUND; + + cur = tb[SERVICE_DEL_ATTR_INSTANCE]; if (!cur) { - avl_for_each_element_safe(&services, s, avl, tmp) - service_delete(s); + service_delete(s); return 0; } + in = vlist_find(&s->instances, blobmsg_data(cur), in, node); + if (!in) { + ERROR("instance %s not found\n", (char *) blobmsg_data(cur)); + return UBUS_STATUS_NOT_FOUND; + } + + vlist_delete(&s->instances, &in->node); + + return 0; +} + +static int +service_handle_update(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_ATTR_MAX], *cur; + struct service *s; + + blobmsg_parse(service_attrs, __SERVICE_ATTR_MAX, tb, blob_data(msg), blob_len(msg)); + + cur = tb[SERVICE_ATTR_NAME]; + if (!cur) + return UBUS_STATUS_INVALID_ARGUMENT; + s = avl_find_element(&services, blobmsg_data(cur), s, avl); if (!s) return UBUS_STATUS_NOT_FOUND; - service_delete(s); + if (!strcmp(method, "update_start")) + vlist_update(&s->instances); + else + vlist_flush(&s->instances); + + 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; +} + +enum { + TRIGGER_ATTR, + __TRIGGER_MAX +}; + +static const struct blobmsg_policy trigger_policy[__TRIGGER_MAX] = { + [TRIGGER_ATTR] = { .name = "triggers", .type = BLOBMSG_TYPE_ARRAY }, +}; + +static int service_handle_trigger(struct ubus_context *ctx, struct ubus_object *obj, + struct ubus_request_data *req, const char *method, + struct blob_attr *msg) +{ + struct blob_attr *tb[__TRIGGER_MAX]; + + if (!msg) + return UBUS_STATUS_INVALID_ARGUMENT; + + blobmsg_parse(trigger_policy, __TRIGGER_MAX, tb, blob_data(msg), blob_len(msg)); + if (!tb[TRIGGER_ATTR]) + return UBUS_STATUS_INVALID_ARGUMENT; + + trigger_add(tb[TRIGGER_ATTR], NULL); + return 0; } static struct ubus_method main_object_methods[] = { - { .name = "list", .handler = service_handle_list }, - { .name = "set", .handler = service_handle_set }, - { .name = "delete", .handler = service_handle_delete }, + UBUS_METHOD("set", service_handle_set, service_set_attrs), + UBUS_METHOD("add", service_handle_set, service_set_attrs), + UBUS_METHOD("list", service_handle_list, service_attrs), + 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), + UBUS_METHOD("trigger", service_handle_trigger, trigger_policy), }; static struct ubus_object_type main_object_type = @@ -229,7 +377,7 @@ static struct ubus_object main_object = { .n_methods = ARRAY_SIZE(main_object_methods), }; -void procd_init_service(struct ubus_context *ctx) +void ubus_init_service(struct ubus_context *ctx) { avl_init(&services, avl_strcmp, false, NULL); ubus_add_object(ctx, &main_object);