test if server connections succeed, if not drop the server from the list

trunk/ripnews/news/article.rb

@@ -29,18 +29,31 @@ def initialize(nntpservers, groupname, newsrc="~/.newsrc")
 	@connections = {}
 	@serverlist.collect{|server|
 		@connections[server] = {}
+		begin
 			@connections[server]["nntp"] = Net::NNTP.new(server)
 			@connections[server]["skip_ids"] = Set::IntSpan.new()
 			@connections[server]["newsrc"] = News::Newsrc.new("#{newsrc}.#{server}")
 			set_skip_ids(server, @connections[server]["newsrc"].marked_articles(@group))
-		print "Connection type: #{@connections[server]["nntp"].type.to_s}\n"
+		rescue SocketError
+			print "Connection to #{server} failed, removing from server list...\n"
+			@connections.delete(server)
+			@serverlist.delete(server)
+		end
 	}
 end
 
 def reconnect(server)
 	print "Trying to reconnect to #{server}...\n"
+	begin
 		@connections[server]["nntp"] = Net::NNTP.new(server)
-	print "Connection type: #{@connections[server]["nntp"].type.to_s}\n"
+	rescue SocketError
+		print "Connection to #{server} failed, removing from server list...\n"
+		@connections.delete(server)
+		@serverlist.delete(server)
+		return false
+	end
+	print "Succesfully reconnected to #{server}\n"
+	return true
 end
 
 def add(messid, id, server, subject)
@@ -118,6 +131,8 @@ def get_articles(cachedir=false)
 						end
 					end
 				rescue Net::NNTP::RuntimeError
+					print "Caught Net::NNTP::RuntimeError reading from server #{server}\n"
+					print "Error: #{$!}\n"
 				rescue Errno::EPIPE, Errno::ECONNRESET
 					print "Caught Errno::EPIPE reading from server #{server}\n"
 					print "Error: #{$!}\n"