From 09a905e401df451f12673d75dc8d4d72ee73b7c9 Mon Sep 17 00:00:00 2001
From: Gluzskiy Alexandr <sss@sss.chaoslab.ru>
Date: Wed, 20 Jan 2016 05:35:09 +0300
Subject: server: 	very basic implementation of download_state_changed
 event api call for plugins 	started work on thread safety (plugins may and
 will be multithreaded, so api for plugins should be thread safe)

---
 server/src/api_core_events.cpp | 47 ++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 45 insertions(+), 2 deletions(-)

(limited to 'server/src/api_core_events.cpp')

diff --git a/server/src/api_core_events.cpp b/server/src/api_core_events.cpp
index 0259973..525f60b 100644
--- a/server/src/api_core_events.cpp
+++ b/server/src/api_core_events.cpp
@@ -23,14 +23,57 @@
 
 #include "api_core_events.h"
 #include "server_session.h"
+#include "utilities.h"
+#include "../../protocol/udm.pb.h"
+#include "api_module_base.h"
+#include <boost/log/trivial.hpp>
 
-extern std::list<server_session*> sessions;
+extern lockable_container<std::list<server_session*> > sessions;
+extern lockable_container<std::map<int, download_internal_s> > downloads;
 
 namespace core_events
 {
 	
-void core_events::download_state_changed(int download_id, download_state state)
+void core_events::download_state_changed(module_base *m, std::list<download_state_info> state_list) //TODO: multiple downloads at once should be supported
 {
+	//TODO: redesign, very unefficient implementation (reverse search in downloads list should be eleminated)
+	server_msg msg;
+	msg.set_type(SERVER_MSG_TYPE::SERVER_DOWNLOAD_STATE_CHANGE);
+	downloads.lock();
+	for(auto s : state_list)
+	{
+		for(auto d : downloads)
+		{
+			if(d.second.module_name == m->get_module_info().name)
+			{
+				if(s.download_id == d.second.module_id)
+				{
+					download_state_change *sc =msg.add_download_state_changes();
+					sc->set_download_id(d.first);
+					switch(s.state)
+					{
+						case download_state::download_stopped:
+						sc->set_state(SUBSCRIPTION_DOWNLOAD_STATE::SDS_STOPPED);
+						break;
+						case download_state::download_running:
+						sc->set_state(SUBSCRIPTION_DOWNLOAD_STATE::SDS_STARTED);
+						break;
+						default:
+						BOOST_LOG_TRIVIAL(debug)<<__FILE__<<":"<<__LINE__<<"\t"<<__func__<<"\nunhandled download state change event";
+						break;
+						
+					}
+				}
+			}
+		}
+	}
+	downloads.unlock();
+	sessions.lock();
+	for(auto p : sessions)
+	{
+		p->fire_event(SUBSCRIPTION_TYPE::ST_DOWNLOAD_STATE_CHANGE, msg);
+	}
+	sessions.unlock();
 }
 
 };
-- 
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