//update view of other servers
public void updateView()
{
foreach (KeyValuePair <string, ServerInfo> pair in serverList)
{
if (pair.Value.isOnline == false)
{
continue; //skip if offline
}
IServerToServer server = (IServerToServer)Activator.GetObject(
typeof(IServerToServer),
pair.Value.url_to_server);
try{
server.ping();
}catch (Exception ex) {
Log.Debug(ex, "Server {server} is offline", pair.Value.server_id);
pair.Value.isOnline = false;
}
}
int count = 0;
foreach (KeyValuePair <string, ServerInfo> pair in serverList)
{
if (pair.Value.isOnline == false)
{
count++;
}
}
Log.Debug("count of crashed servers: {c}", count);
if (count > max_faults)
{
throw new ServerException("max faults reached");
}
}
void sendMeeting(ServerInfo serverInfo, MeetingProposal meeting, ref int consensus)
{
Log.Debug("sending {meeting} to {server}", meeting.topic, serverInfo.server_id);
IServerToServer server = (IServerToServer)Activator.GetObject(
typeof(IServerToServer),
serverInfo.url_to_server);
bool join = false;
try{
join = server.sendMeeting(meeting);
} catch (Exception ex) {
Log.Error(ex, "cannot send meeting");
join = false;
}
if (join)
{
Log.Debug("{server} accepted {meeting}", serverInfo.server_id, meeting.topic);
if (Interlocked.Decrement(ref consensus) == 0)
{
meetingLock.Set();
}
}
else
{
Log.Debug("{server} did not accept {meeting}", serverInfo.server_id, meeting.topic);
}
}
void DONTwriteMeeting(ServerInfo serverInfo, MeetingProposal meeting, List <ServerInfo> servers)
{
IServerToServer server = (IServerToServer)Activator.GetObject(
typeof(IServerToServer),
serverInfo.url_to_server);
server.DONTwriteMeeting(meeting, servers);
}
//ServerPuppeteer populate
public void addOldServers(Dictionary <string, ServerInfo> serverList)
{
ServerInfo me = this.GetInfo();
foreach (KeyValuePair <string, ServerInfo> pair in serverList)
{
//save server
this.serverList.Add(pair.Key, pair.Value);
//connect to server and send my info
IServerToServer server = (ServerToServer)Activator.GetObject(
typeof(IServerToServer),
pair.Value.url_to_server);
server.addNewServer(me);
}
}
