add signals for plugins

EOSIO · Sep 10, 2018 · e2ec9f9 · e2ec9f9
1 parent 5318041
commit e2ec9f9
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Showing 2 changed files with 10 additions and 1 deletion.
diff --git a/libraries/chain/controller.cpp b/libraries/chain/controller.cpp
@@ -214,7 +214,7 @@ struct controller_impl {
     *
     */
    template<typename Signal, typename Arg>
-   void emit( const Signal& s, Arg&& a ) {
+   void emit( const Signal& s, Arg&& a ) const {
       try {
         s(std::forward<Arg>(a));
       } catch (boost::interprocess::bad_alloc& e) {
@@ -462,6 +462,8 @@ struct controller_impl {
 
       authorization.add_to_snapshot(snapshot);
       resource_limits.add_to_snapshot(snapshot);
+
+      emit(self.write_snapshot, snapshot);
    }
 
    void print_json_snapshot() const {
@@ -484,6 +486,8 @@ struct controller_impl {
 
       authorization.read_from_snapshot(snapshot);
       resource_limits.read_from_snapshot(snapshot);
+
+      emit(self.read_snapshot, snapshot);
    }
 
    /**

diff --git a/libraries/chain/include/eosio/chain/controller.hpp b/libraries/chain/include/eosio/chain/controller.hpp
@@ -15,6 +15,8 @@ namespace chainbase {
 namespace eosio { namespace chain {
 
    class authorization_manager;
+   class snapshot_reader;
+   class snapshot_writer;
 
    namespace resource_limits {
       class resource_limits_manager;
@@ -254,6 +256,9 @@ namespace eosio { namespace chain {
          signal<void(const transaction_trace_ptr&)>  post_apply_action;
          */
 
+         signal<void(snapshot_writer&)>                write_snapshot;
+         signal<void(snapshot_reader&)>                read_snapshot;
+
          const apply_handler* find_apply_handler( account_name contract, scope_name scope, action_name act )const;
          wasm_interface& get_wasm_interface();