1 files changed, 84 insertions, 0 deletions
diff --git a/include/libstate.h b/include/libstate.h
new file mode 100644
index 000000000..340644502
--- /dev/null
+++ b/include/libstate.h
@@ -0,0 +1,84 @@
+/*************************************************
+* Library Internal/Global State Header File      *
+* (C) 1999-2006 The Botan Project                *
+*************************************************/
+
+#ifndef BOTAN_LIB_STATE_H__
+#define BOTAN_LIB_STATE_H__
+
+#include <botan/base.h>
+#include <string>
+#include <vector>
+#include <map>
+
+namespace Botan {
+
+/*************************************************
+* Global State Container Base                    *
+*************************************************/
+class Library_State
+   {
+   public:
+      class Engine_Iterator
+         {
+         public:
+            class Engine* next();
+            Engine_Iterator(const Library_State& l) : lib(l) { n = 0; }
+         private:
+            const Library_State& lib;
+            u32bit n;
+         };
+      friend class Engine_Iterator;
+
+      Allocator* get_allocator(const std::string& = "") const;
+      void add_allocator(const std::string&, Allocator*);
+
+      void set_prng(RandomNumberGenerator*);
+      void randomize(byte[], u32bit);
+      void add_entropy_source(EntropySource*, bool = false);
+      void add_entropy(const byte[], u32bit);
+      void add_entropy(EntropySource&, bool);
+      u32bit seed_prng(bool, u32bit);
+
+      u64bit system_clock() const;
+
+      void set_option(const std::string&, const std::string&,
+                              const std::string&, bool = true);
+      std::string get_option(const std::string&, const std::string&) const;
+      bool option_set(const std::string&, const std::string&) const;
+
+      void add_engine(class Engine*);
+
+      class Mutex* get_mutex();
+
+      Library_State(class Mutex_Factory*, class Timer*);
+      ~Library_State();
+   private:
+      Library_State(const Library_State&) {}
+      Library_State& operator=(const Library_State&) { return (*this); }
+
+      class Engine* get_engine_n(u32bit) const;
+      void set_default_policy();
+
+      class Mutex_Factory* mutex_factory;
+      class Timer* timer;
+
+      std::map<std::string, class Mutex*> locks;
+      std::map<std::string, std::string> settings;
+      std::map<std::string, Allocator*> alloc_factory;
+      mutable Allocator* cached_default_allocator;
+
+      RandomNumberGenerator* rng;
+      std::vector<EntropySource*> entropy_sources;
+      std::vector<class Engine*> engines;
+   };
+
+/*************************************************
+* Global State                                   *
+*************************************************/
+Library_State& global_state();
+void set_global_state(Library_State*);
+
+}
+
+#endif