From 2c6b282d4b4a22e511e8cced48263fd0bc9cc6da Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Sun, 24 Jun 2012 21:32:39 +0200
Subject: [PATCH] dump status info

---
 instance.c | 14 ++++++++++++++
 instance.h |  1 +
 service.c  | 22 ++++++++++++++++------
 3 files changed, 31 insertions(+), 6 deletions(-)

diff --git a/instance.c b/instance.c
index c788f9d..41b9419 100644
--- a/instance.c
+++ b/instance.c
@@ -173,6 +173,7 @@ instance_config_move(struct service_instance *in, struct service_instance *in_sr
 	blobmsg_list_move(&in->env, &in_src->env);
 	blobmsg_list_move(&in->data, &in_src->data);
 	in->command = in_src->command;
+	in->name = in_src->name;
 }
 
 bool
@@ -202,6 +203,7 @@ instance_free(struct service_instance *in)
 void
 instance_init(struct service_instance *in, struct blob_attr *config)
 {
+	in->name = blobmsg_name(config);
 	in->config = config;
 	in->timeout.cb = instance_timeout;
 	in->proc.cb = instance_exit;
@@ -210,3 +212,15 @@ instance_init(struct service_instance *in, struct blob_attr *config)
 	blobmsg_list_simple_init(&in->data);
 	in->valid = instance_config_parse(in);
 }
+
+void instance_dump(struct blob_buf *b, struct service_instance *in)
+{
+	void *i;
+
+	i = blobmsg_open_table(b, in->name);
+	blobmsg_add_u8(b, "running", in->proc.pending);
+	if (in->proc.pending)
+		blobmsg_add_u32(b, "pid", in->proc.pid);
+	blobmsg_add_blob(b, in->command);
+	blobmsg_close_table(b, i);
+}
diff --git a/instance.h b/instance.h
index ebe4d20..7adaca6 100644
--- a/instance.h
+++ b/instance.h
@@ -25,5 +25,6 @@ void instance_stop(struct service_instance *in, bool restart);
 bool instance_update(struct service_instance *in, struct service_instance *in_new);
 void instance_init(struct service_instance *in, struct blob_attr *config);
 void instance_free(struct service_instance *in);
+void instance_dump(struct blob_buf *b, struct service_instance *in);
 
 #endif
diff --git a/service.c b/service.c
index 46f846d..1f1b1a8 100644
--- a/service.c
+++ b/service.c
@@ -148,6 +148,20 @@ free:
 	return ret;
 }
 
+static void
+service_dump(struct service *s)
+{
+	struct service_instance *in;
+	void *c, *i;
+
+	c = blobmsg_open_table(&b, s->name);
+	i = blobmsg_open_table(&b, "instances");
+	vlist_for_each_element(&s->instances, in, node)
+		instance_dump(&b, in);
+	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,
@@ -156,12 +170,8 @@ service_handle_list(struct ubus_context *ctx, struct ubus_object *obj,
 	struct service *s;
 
 	blob_buf_init(&b, 0);
-	avl_for_each_element(&services, s, avl) {
-		void *c;
-
-		c = blobmsg_open_table(&b, s->name);
-		blobmsg_close_table(&b, c);
-	}
+	avl_for_each_element(&services, s, avl)
+		service_dump(s);
 
 	ubus_send_reply(ctx, req, b.head);
 
-- 
2.25.1