From 1a7da1650c3763c5c49fab0ba91a20eb59873357 Mon Sep 17 00:00:00 2001
From: "Spencer G. Jones" <spencer@egovmt.com>
Date: Mon, 15 Jul 2013 09:12:32 -0600
Subject: [PATCH] Find a free port for OmniSharp if another OmniSharp is using
 the default port

---
 plugin/youcompleteme.vim                 |  2 ++
 python/ycm/completers/cs/cs_completer.py | 16 +++++++++++++++-
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/plugin/youcompleteme.vim b/plugin/youcompleteme.vim
index 2e9efff3..9787f52f 100644
--- a/plugin/youcompleteme.vim
+++ b/plugin/youcompleteme.vim
@@ -163,6 +163,8 @@ let g:ycm_csharp_server_stderr_logfile_format =
 let g:ycm_csharp_server_stdout_logfile_format =
       \ get( g:, 'ycm_csharp_server_stdout_logfile_format',  '' )
 
+let g:ycm_find_free_port_for_csharp_server =
+      \ get( g:, 'ycm_find_free_port_for_csharp_server', 0 )
 
 " On-demand loading. Let's use the autoload folder and not slow down vim's
 " startup procedure.
diff --git a/python/ycm/completers/cs/cs_completer.py b/python/ycm/completers/cs/cs_completer.py
index 280c868d..77db628c 100755
--- a/python/ycm/completers/cs/cs_completer.py
+++ b/python/ycm/completers/cs/cs_completer.py
@@ -38,7 +38,13 @@ class CsharpCompleter( ThreadedCompleter ):
   def __init__( self ):
     super( CsharpCompleter, self ).__init__()
     self.OmniSharpPort = int( vimsupport.GetVariableValue( "g:ycm_csharp_server_port" ) ) 
-    self.OmniSharpHost = 'http://localhost:' + str( self.OmniSharpPort )
+    self.OmniSharpHost = ''
+
+    if vimsupport.GetBoolValue( "g:ycm_find_free_port_for_csharp_server" ):
+      self._FindFreePort();
+
+    self._RefreshOmniSharpHost()
+
     if vimsupport.GetBoolValue( "g:ycm_auto_start_csharp_server" ):
       self._StartServer()
 
@@ -132,6 +138,14 @@ class CsharpCompleter( ThreadedCompleter ):
     """ Check if the OmniSharp server is running """
     return self._GetResponse( '/checkalivestatus', silent=True ) != None
 
+  def _FindFreePort( self ):
+    while self._ServerIsRunning():
+      self.OmniSharpPort = self.OmniSharpPort + 1
+      self._RefreshOmniSharpHost()
+
+  def _RefreshOmniSharpHost ( self ):
+    self.OmniSharpHost = 'http://localhost:' + str( self.OmniSharpPort )
+
   def _GetCompletions( self ):
     """ Ask server for completions """
     line, column = vimsupport.CurrentLineAndColumn()