1 files changed, 53 insertions, 0 deletions
diff --git a/plugins/fcgi/fcgi.h b/plugins/fcgi/fcgi.h
index 7edfe91..164fecb 100644
--- a/plugins/fcgi/fcgi.h
+++ b/plugins/fcgi/fcgi.h
@@ -2,8 +2,60 @@
 
 #include "../../plugin_interface.h"
 
+#include <set>
+#include <cstdint>
+
+// TODO: multithreading
+class FCGI_ID
+{
+ std::set<uint16_t >m_unused;
+ uint16_t m_current_max{};
+
+public:
+ FCGI_ID(){}
+
+ // starting at 1
+ uint16_t getID(){
+  if (m_unused.empty()) {
+   m_current_max++;
+   return m_current_max;
+  } else {
+   uint16_t result{*m_unused.begin()};
+   m_unused.erase(m_unused.begin());
+   return result;
+  }
+ }
+
+ void putID(uint16_t id){
+  m_unused.insert(id);
+ }
+};
+
+// automatically reserves ID, and releases it via RAII
+class FCGI_ID_Guard
+{
+ FCGI_ID& m_fcgi_id;
+ uint16_t m_id;
+
+public:
+ FCGI_ID_Guard(FCGI_ID& fcgi_id): m_fcgi_id(fcgi_id), m_id(fcgi_id.getID())
+ {
+ }
+
+ ~FCGI_ID_Guard()
+ {
+  m_fcgi_id.putID(m_id);
+ }
+
+ uint16_t getID() const { return m_id; }
+};
+
+struct FCGIContext;
+
 class fcgi_plugin: public webserver_plugin_interface 
 {
+ FCGI_ID m_fcgi_id;
+
 public:
  fcgi_plugin();
  ~fcgi_plugin();
@@ -15,6 +67,7 @@ public:
   std::function<void(const std::string& key, const std::string& value)>& SetResponseHeader // to be added to result string
  );
 
+ std::string fcgiQuery(FCGIContext& context);
 };
 
 extern "C" BOOST_SYMBOL_EXPORT fcgi_plugin webserver_plugin;