summaryrefslogtreecommitdiffstats
path: root/service/service.c
diff options
context:
space:
mode:
authorMatthias Schiffer <mschiffer@universe-factory.net>2015-11-30 14:49:56 +0100
committerMatthias Schiffer <mschiffer@universe-factory.net>2015-11-30 15:03:56 +0100
commitd905c9da4d8984f19cd74a17cebd2743d399b035 (patch)
tree8a7db7d0ef9d8ce2ed0750da1e6286bbc0aadc41 /service/service.c
parent9f5b52ee3240dc61b0cae882dd880fd2ff28edf4 (diff)
downloadunitd-d905c9da4d8984f19cd74a17cebd2743d399b035.tar
unitd-d905c9da4d8984f19cd74a17cebd2743d399b035.zip
Reorganize source directory
Diffstat (limited to 'service/service.c')
-rw-r--r--service/service.c465
1 files changed, 0 insertions, 465 deletions
diff --git a/service/service.c b/service/service.c
deleted file mode 100644
index a57d470..0000000
--- a/service/service.c
+++ /dev/null
@@ -1,465 +0,0 @@
-/*
- * Copyright (C) 2015 Matthias Schiffer <mschiffer@universe-factory.net>
- *
- * Based on "procd" by:
- * Copyright (C) 2013 Felix Fietkau <nbd@openwrt.org>
- * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
- *
- * 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 <libubox/blobmsg_json.h>
-#include <libubox/avl-cmp.h>
-
-#include "../unitd.h"
-
-#include "service.h"
-#include "instance.h"
-
-struct avl_tree services;
-static struct blob_buf b;
-static struct ubus_context *ctx;
-
-static void
-service_instance_add(struct service *s, struct blob_attr *attr)
-{
- struct service_instance *in;
-
- if (blobmsg_type(attr) != BLOBMSG_TYPE_TABLE)
- return;
-
- in = calloc(1, sizeof(*in));
- if (!in)
- return;
-
- instance_init(in, s, attr);
- vlist_add(&s->instances, &in->node, (void *) in->name);
-}
-
-static void
-service_instance_update(struct vlist_tree *tree, struct vlist_node *node_new,
- struct vlist_node *node_old)
-{
- struct service_instance *in_o = NULL, *in_n = NULL;
-
- if (node_old)
- in_o = container_of(node_old, struct service_instance, node);
-
- if (node_new)
- in_n = container_of(node_new, struct service_instance, node);
-
- if (in_o && in_n) {
- DEBUG(2, "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(2, "Free instance %s::%s\n", in_o->srv->name, in_o->name);
- instance_stop(in_o);
- instance_free(in_o);
- } else if (in_n) {
- DEBUG(2, "Create instance %s::%s\n", in_n->srv->name, in_n->name);
- instance_start(in_n);
- }
- blob_buf_init(&b, 0);
-}
-
-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);
-
- 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_SET_NAME,
- SERVICE_SET_SCRIPT,
- SERVICE_SET_INSTANCES,
- __SERVICE_SET_MAX
-};
-
-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 },
-};
-
-static int
-service_update(struct service *s, struct blob_attr **tb, bool add)
-{
- struct blob_attr *cur;
- int 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);
- }
- if (!add)
- vlist_flush(&s->instances);
- }
-
- return 0;
-}
-
-static void
-service_delete(struct service *s)
-{
- service_event("service.stop", s->name, NULL);
- vlist_flush_all(&s->instances);
- avl_delete(&services, &s->avl);
- 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_NAME,
- SERVICE_LIST_ATTR_VERBOSE,
- __SERVICE_LIST_ATTR_MAX,
-};
-
-static const struct blobmsg_policy service_list_attrs[__SERVICE_LIST_ATTR_MAX] = {
- [SERVICE_LIST_ATTR_NAME] = { "name", BLOBMSG_TYPE_STRING },
- [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 },
-};
-
-enum {
- DATA_NAME,
- DATA_INSTANCE,
- DATA_TYPE,
- __DATA_MAX
-};
-
-static const struct blobmsg_policy get_data_policy[] = {
- [DATA_NAME] = { "name", BLOBMSG_TYPE_STRING },
- [DATA_INSTANCE] = { "instance", BLOBMSG_TYPE_STRING },
- [DATA_TYPE] = { "type", BLOBMSG_TYPE_STRING },
-};
-
-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_SET_MAX], *cur;
- struct service *s = NULL;
- const char *name;
- bool add = !strcmp(method, "add");
- int ret;
-
- blobmsg_parse(service_set_attrs, __SERVICE_SET_MAX, tb, blob_data(msg), blob_len(msg));
- cur = tb[SERVICE_ATTR_NAME];
- if (!cur)
- return UBUS_STATUS_INVALID_ARGUMENT;
-
- name = blobmsg_data(cur);
-
- s = avl_find_element(&services, name, s, avl);
- if (s) {
- DEBUG(2, "Update service %s\n", name);
- return service_update(s, tb, add);
- }
-
- DEBUG(2, "Create service %s\n", name);
- s = service_alloc(name);
- if (!s)
- return UBUS_STATUS_UNKNOWN_ERROR;
-
- ret = service_update(s, tb, add);
- if (ret)
- return ret;
-
- avl_insert(&services, &s->avl);
-
- service_event("service.start", s->name, NULL);
-
- return 0;
-}
-
-static void
-service_dump(struct service *s, bool verbose)
-{
- struct service_instance *in;
- void *c, *i;
-
- c = blobmsg_open_table(&b, s->name);
-
- if (!avl_is_empty(&s->instances.avl)) {
- i = blobmsg_open_table(&b, "instances");
- vlist_for_each_element(&s->instances, in, node)
- instance_dump(&b, in, verbose);
- blobmsg_close_table(&b, i);
- }
- blobmsg_close_table(&b, c);
-}
-
-static int
-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;
- const char *name = NULL;
- bool verbose = false;
-
- blobmsg_parse(service_list_attrs, __SERVICE_LIST_ATTR_MAX, tb, blob_data(msg), blob_len(msg));
-
- if (tb[SERVICE_LIST_ATTR_VERBOSE])
- verbose = blobmsg_get_bool(tb[SERVICE_LIST_ATTR_VERBOSE]);
- if (tb[SERVICE_LIST_ATTR_NAME])
- name = blobmsg_get_string(tb[SERVICE_LIST_ATTR_NAME]);
-
- blob_buf_init(&b, 0);
- avl_for_each_element(&services, s, avl) {
- if (name && strcmp(s->name, name) != 0)
- continue;
-
- service_dump(s, verbose);
- }
-
- ubus_send_reply(ctx, req, b.head);
-
- return 0;
-}
-
-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_ATTR_MAX], *cur;
- 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)
- 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) {
- 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;
-
- if (!strcmp(method, "update_start"))
- vlist_update(&s->instances);
- else
- vlist_flush(&s->instances);
-
- return 0;
-}
-
-static int
-service_get_data(struct ubus_context *ctx, struct ubus_object *obj,
- struct ubus_request_data *req, const char *method,
- struct blob_attr *msg)
-{
- struct service_instance *in;
- struct service *s;
- struct blob_attr *tb[__DATA_MAX];
- const char *name = NULL;
- const char *instance = NULL;
- const char *type = NULL;
-
- blobmsg_parse(get_data_policy, __DATA_MAX, tb, blob_data(msg), blob_len(msg));
- if (tb[DATA_NAME])
- name = blobmsg_data(tb[DATA_NAME]);
- if (tb[DATA_INSTANCE])
- instance = blobmsg_data(tb[DATA_INSTANCE]);
- if (tb[DATA_TYPE])
- type = blobmsg_data(tb[DATA_TYPE]);
-
- blob_buf_init(&b, 0);
- avl_for_each_element(&services, s, avl) {
- void *cs = NULL;
-
- if (name && strcmp(name, s->name))
- continue;
-
- vlist_for_each_element(&s->instances, in, node) {
- struct blobmsg_list_node *var;
- void *ci = NULL;
-
- if (instance && strcmp(instance, in->name))
- continue;
-
- blobmsg_list_for_each(&in->data, var) {
- if (type &&
- strcmp(blobmsg_name(var->data), type))
- continue;
-
- if (!cs)
- cs = blobmsg_open_table(&b, s->name);
- if (!ci)
- ci = blobmsg_open_table(&b, in->name);
-
- blobmsg_add_blob(&b, var->data);
- }
-
- if (ci)
- blobmsg_close_table(&b, ci);
- }
-
- if (cs)
- blobmsg_close_table(&b, cs);
- }
-
- ubus_send_reply(ctx, req, b.head);
- 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),
- UBUS_METHOD("list", service_handle_list, service_list_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("get_data", service_get_data, get_data_policy),
-};
-
-static struct ubus_object_type main_object_type =
- UBUS_OBJECT_TYPE("service", main_object_methods);
-
-static struct ubus_object main_object = {
- .name = "service",
- .type = &main_object_type,
- .methods = main_object_methods,
- .n_methods = ARRAY_SIZE(main_object_methods),
-};
-
-int
-service_start_early(char *name, char *cmdline)
-{
- void *instances, *instance, *command, *respawn;
- char *t;
-
- blob_buf_init(&b, 0);
- blobmsg_add_string(&b, "name", name);
- instances = blobmsg_open_table(&b, "instances");
- instance = blobmsg_open_table(&b, "instance1");
- command = blobmsg_open_array(&b, "command");
- t = strtok(cmdline, " ");
- while (t) {
- blobmsg_add_string(&b, NULL, t);
- t = strtok(NULL, " ");
- }
- blobmsg_close_array(&b, command);
- respawn = blobmsg_open_array(&b, "respawn");
- blobmsg_add_string(&b, NULL, "3600");
- blobmsg_add_string(&b, NULL, "1");
- blobmsg_add_string(&b, NULL, "0");
- blobmsg_close_array(&b, respawn);
- blobmsg_close_table(&b, instance);
- blobmsg_close_table(&b, instances);
-
- return service_handle_set(NULL, NULL, NULL, "add", b.head);
-}
-
-void service_event(const char *type, const char *service, const char *instance)
-{
- if (!ctx)
- return;
-
- blob_buf_init(&b, 0);
- blobmsg_add_string(&b, "service", service);
- if (instance)
- blobmsg_add_string(&b, "instance", instance);
- ubus_notify(ctx, &main_object, type, b.head, -1);
-}
-
-void ubus_init_service(struct ubus_context *_ctx)
-{
- ctx = _ctx;
- ubus_add_object(ctx, &main_object);
-}
-
-void
-service_init(void)
-{
- avl_init(&services, avl_strcmp, false, NULL);
-}
-