server-mode: Add infrastructure to watch the filesystem

Enable the server to watch for filesystem changes. This patch includes
* The infrastructure for the file watching
* makes that infrastructure available to cmServerProtocols
* Resets the filesystemwatchers on "configure"

1 files changed, 8 insertions, 0 deletions

diff --git a/Source/cmServerProtocol.cxx b/Source/cmServerProtocol.cxx
index f083e49..66cd801 100644
--- a/Source/cmServerProtocol.cxx
+++ b/Source/cmServerProtocol.cxx
@@ -4,6 +4,7 @@
 
 #include "cmCacheManager.h"
 #include "cmExternalMakefileProjectGenerator.h"
+#include "cmFileMonitor.h"
 #include "cmGeneratorTarget.h"
 #include "cmGlobalGenerator.h"
 #include "cmListFileCache.h"
@@ -214,6 +215,11 @@ bool cmServerProtocol::Activate(cmServer* server,
   return result;
 }
 
+cmFileMonitor* cmServerProtocol::FileMonitor() const
+{
+  return this->m_Server ? this->m_Server->FileMonitor() : nullptr;
+}
+
 void cmServerProtocol::SendSignal(const std::string& name,
                                   const Json::Value& data) const
 {
@@ -862,6 +868,8 @@ cmServerResponse cmServerProtocol1_0::ProcessConfigure(
     return request.ReportError("This instance is inactive.");
   }
 
+  FileMonitor()->StopMonitoring();
+
   // Make sure the types of cacheArguments matches (if given):
   std::vector<std::string> cacheArgs;
   bool cacheArgumentsError = false;