Stub in protocol_explore, style.

Makefile.am

@@ -58,6 +58,7 @@ src_libbitcoin_node_la_SOURCES = \
     src/protocols/protocol_block_in_31800.cpp \
     src/protocols/protocol_block_out_106.cpp \
     src/protocols/protocol_block_out_70012.cpp \
+    src/protocols/protocol_explore.cpp \
     src/protocols/protocol_filter_out_70015.cpp \
     src/protocols/protocol_header_in_31800.cpp \
     src/protocols/protocol_header_in_70012.cpp \
@@ -180,6 +181,7 @@ include_bitcoin_node_protocols_HEADERS = \
     include/bitcoin/node/protocols/protocol_block_in_31800.hpp \
     include/bitcoin/node/protocols/protocol_block_out_106.hpp \
     include/bitcoin/node/protocols/protocol_block_out_70012.hpp \
+    include/bitcoin/node/protocols/protocol_explore.hpp \
     include/bitcoin/node/protocols/protocol_filter_out_70015.hpp \
     include/bitcoin/node/protocols/protocol_header_in_31800.hpp \
     include/bitcoin/node/protocols/protocol_header_in_70012.hpp \

builds/cmake/CMakeLists.txt

@@ -270,6 +270,7 @@ add_library( ${CANONICAL_LIB_NAME}
     "../../src/protocols/protocol_block_in_31800.cpp"
     "../../src/protocols/protocol_block_out_106.cpp"
     "../../src/protocols/protocol_block_out_70012.cpp"
+    "../../src/protocols/protocol_explore.cpp"
     "../../src/protocols/protocol_filter_out_70015.cpp"
     "../../src/protocols/protocol_header_in_31800.cpp"
     "../../src/protocols/protocol_header_in_70012.cpp"

builds/msvc/vs2022/libbitcoin-node/libbitcoin-node.vcxproj

@@ -143,6 +143,7 @@
     <ClCompile Include="..\..\..\..\src\protocols\protocol_block_in_31800.cpp" />
     <ClCompile Include="..\..\..\..\src\protocols\protocol_block_out_106.cpp" />
     <ClCompile Include="..\..\..\..\src\protocols\protocol_block_out_70012.cpp" />
+    <ClCompile Include="..\..\..\..\src\protocols\protocol_explore.cpp" />
     <ClCompile Include="..\..\..\..\src\protocols\protocol_filter_out_70015.cpp" />
     <ClCompile Include="..\..\..\..\src\protocols\protocol_header_in_31800.cpp" />
     <ClCompile Include="..\..\..\..\src\protocols\protocol_header_in_70012.cpp" />
@@ -187,6 +188,7 @@
     <ClInclude Include="..\..\..\..\include\bitcoin\node\protocols\protocol_block_in_31800.hpp" />
     <ClInclude Include="..\..\..\..\include\bitcoin\node\protocols\protocol_block_out_106.hpp" />
     <ClInclude Include="..\..\..\..\include\bitcoin\node\protocols\protocol_block_out_70012.hpp" />
+    <ClInclude Include="..\..\..\..\include\bitcoin\node\protocols\protocol_explore.hpp" />
     <ClInclude Include="..\..\..\..\include\bitcoin\node\protocols\protocol_filter_out_70015.hpp" />
     <ClInclude Include="..\..\..\..\include\bitcoin\node\protocols\protocol_header_in_31800.hpp" />
     <ClInclude Include="..\..\..\..\include\bitcoin\node\protocols\protocol_header_in_70012.hpp" />

builds/msvc/vs2022/libbitcoin-node/libbitcoin-node.vcxproj.filters

@@ -114,6 +114,9 @@
     <ClCompile Include="..\..\..\..\src\protocols\protocol_block_out_70012.cpp">
       <Filter>src\protocols</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\src\protocols\protocol_explore.cpp">
+      <Filter>src\protocols</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\src\protocols\protocol_filter_out_70015.cpp">
       <Filter>src\protocols</Filter>
     </ClCompile>
@@ -242,6 +245,9 @@
     <ClInclude Include="..\..\..\..\include\bitcoin\node\protocols\protocol_block_out_70012.hpp">
       <Filter>include\bitcoin\node\protocols</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\include\bitcoin\node\protocols\protocol_explore.hpp">
+      <Filter>include\bitcoin\node\protocols</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\include\bitcoin\node\protocols\protocol_filter_out_70015.hpp">
       <Filter>include\bitcoin\node\protocols</Filter>
     </ClInclude>

include/bitcoin/node.hpp

@@ -45,6 +45,7 @@
 #include <bitcoin/node/protocols/protocol_block_in_31800.hpp>
 #include <bitcoin/node/protocols/protocol_block_out_106.hpp>
 #include <bitcoin/node/protocols/protocol_block_out_70012.hpp>
+#include <bitcoin/node/protocols/protocol_explore.hpp>
 #include <bitcoin/node/protocols/protocol_filter_out_70015.hpp>
 #include <bitcoin/node/protocols/protocol_header_in_31800.hpp>
 #include <bitcoin/node/protocols/protocol_header_in_70012.hpp>

include/bitcoin/node/define.hpp

@@ -120,10 +120,9 @@ using type_id = network::messages::peer::inventory_item::type_id;
 // settings       : define
 // configuration  : define settings
 // parser         : define configuration
-// /chasers       : define configuration  [forward: full_node]
+// /chasers       : define configuration     [forward: full_node]
 // full_node      : define /chasers
-// session        : define full_node
-// /protocols     : define session
-
-// Session is only included by full_node.cpp (avoids cycle).
-// /sessions      : define full_node /protocols
+// attach         : define session           [forward: full_node]
+// session        : define                   [forward: full_node]
+// /sessions      : define attach /protocols [forward: full_node]
+// /protocols     : define session

include/bitcoin/node/full_node.hpp

@@ -25,6 +25,8 @@
 #include <bitcoin/node/chasers/chasers.hpp>
 #include <bitcoin/node/configuration.hpp>
 #include <bitcoin/node/define.hpp>
+////#include <bitcoin/node/protocols/protocols.hpp>
+////#include <bitcoin/node/sessions/sessions.hpp>
 
 namespace libbitcoin {
 namespace node {
@@ -40,9 +42,9 @@ class BCN_API full_node
   : public network::net
 {
 public:
-    using memory_controller = block_memory;
     using store = node::store;
     using query = node::query;
+    using memory_controller = block_memory;
     typedef std::shared_ptr<full_node> ptr;
 
     /// Constructors.

include/bitcoin/node/protocols/protocol_block_in_106.hpp

@@ -34,17 +34,14 @@ class BCN_API protocol_block_in_106
 public:
     typedef std::shared_ptr<protocol_block_in_106> ptr;
 
-    BC_PUSH_WARNING(NO_THROW_IN_NOEXCEPT)
-    template <typename SessionPtr>
-    protocol_block_in_106(const SessionPtr& session,
+    protocol_block_in_106(const auto& session,
         const network::channel::ptr& channel) NOEXCEPT
       : node::protocol(session, channel),
         block_type_(session->config().network.witness_node() ?
             type_id::witness_block : type_id::block),
         network::tracker<protocol_block_in_106>(session->log)
     {
     }
-    BC_POP_WARNING()
 
     /// Start/stop protocol (strand required).
     void start() NOEXCEPT override;

include/bitcoin/node/protocols/protocol_block_in_31800.hpp

@@ -35,9 +35,7 @@ class BCN_API protocol_block_in_31800
 public:
     typedef std::shared_ptr<protocol_block_in_31800> ptr;
 
-    BC_PUSH_WARNING(NO_THROW_IN_NOEXCEPT)
-    template <typename SessionPtr>
-    protocol_block_in_31800(const SessionPtr& session,
+    protocol_block_in_31800(const auto& session,
         const network::channel::ptr& channel, bool performance_enabled=true) NOEXCEPT
       : protocol_performer(session, channel, performance_enabled),
         top_checkpoint_height_(
@@ -48,7 +46,6 @@ class BCN_API protocol_block_in_31800
         network::tracker<protocol_block_in_31800>(session->log)
     {
     }
-    BC_POP_WARNING()
 
     /// Start/stop protocol (strand required).
     void start() NOEXCEPT override;

include/bitcoin/node/protocols/protocol_block_out_106.hpp

@@ -33,8 +33,7 @@ class BCN_API protocol_block_out_106
 public:
     typedef std::shared_ptr<protocol_block_out_106> ptr;
 
-    template <typename SessionPtr>
-    protocol_block_out_106(const SessionPtr& session,
+    protocol_block_out_106(const auto& session,
         const network::channel::ptr& channel) NOEXCEPT
       : node::protocol(session, channel),
         node_witness_(session->config().network.witness_node()),

include/bitcoin/node/protocols/protocol_block_out_70012.hpp

@@ -33,8 +33,7 @@ class BCN_API protocol_block_out_70012
 public:
     typedef std::shared_ptr<protocol_block_out_70012> ptr;
 
-    template <typename SessionPtr>
-    protocol_block_out_70012(const SessionPtr& session,
+    protocol_block_out_70012(const auto& session,
         const network::channel::ptr& channel) NOEXCEPT
       : protocol_block_out_106(session, channel),
         network::tracker<protocol_block_out_70012>(session->log)

include/bitcoin/node/protocols/protocol_explore.hpp

@@ -0,0 +1,60 @@
+/**
+ * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ *
+ * This file is part of libbitcoin.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef LIBBITCOIN_NODE_PROTOCOLS_PROTOCOL_EXPLORE_HPP
+#define LIBBITCOIN_NODE_PROTOCOLS_PROTOCOL_EXPLORE_HPP
+
+#include <memory>
+#include <bitcoin/network.hpp>
+#include <bitcoin/node/define.hpp>
+#include <bitcoin/node/protocols/protocol.hpp>
+
+namespace libbitcoin {
+namespace node {
+
+class BCN_API protocol_explore
+  : public network::protocol_html,
+    protected network::tracker<protocol_explore>
+{
+public:
+    typedef std::shared_ptr<protocol_explore> ptr;
+    using options_t = network::settings::html_server;
+    using channel_t = network::channel_http;
+
+    protocol_explore(const auto& session,
+        const network::channel::ptr& channel,
+        const options_t& options) NOEXCEPT
+      : network::protocol_html(session, channel, options),
+        ////options_(options),
+        network::tracker<protocol_explore>(session->log)
+    {
+    }
+
+protected:
+    void handle_receive_get(const code& ec,
+        const network::http::method::get& request) NOEXCEPT override;
+
+private:
+    // This is thread safe.
+    ////const options_t& options_;
+};
+
+} // namespace node
+} // namespace libbitcoin
+
+#endif

include/bitcoin/node/protocols/protocol_filter_out_70015.hpp

@@ -34,8 +34,7 @@ class BCN_API protocol_filter_out_70015
 public:
     typedef std::shared_ptr<protocol_filter_out_70015> ptr;
 
-    template <typename SessionPtr>
-    protocol_filter_out_70015(const SessionPtr& session,
+    protocol_filter_out_70015(const auto& session,
         const network::channel::ptr& channel) NOEXCEPT
       : node::protocol(session, channel),
         network::tracker<protocol_filter_out_70015>(session->log)

include/bitcoin/node/protocols/protocol_header_in_31800.hpp

@@ -33,8 +33,7 @@ class BCN_API protocol_header_in_31800
 public:
     typedef std::shared_ptr<protocol_header_in_31800> ptr;
 
-    template <typename SessionPtr>
-    protocol_header_in_31800(const SessionPtr& session,
+    protocol_header_in_31800(const auto& session,
         const network::channel::ptr& channel) NOEXCEPT
       : node::protocol(session, channel),
         network::tracker<protocol_header_in_31800>(session->log)

include/bitcoin/node/protocols/protocol_header_in_70012.hpp

@@ -33,8 +33,7 @@ class BCN_API protocol_header_in_70012
 public:
     typedef std::shared_ptr<protocol_header_in_70012> ptr;
 
-    template <typename SessionPtr>
-    protocol_header_in_70012(const SessionPtr& session,
+    protocol_header_in_70012(const auto& session,
         const network::channel::ptr& channel) NOEXCEPT
       : node::protocol_header_in_31800(session, channel),
         network::tracker<protocol_header_in_70012>(session->log)

include/bitcoin/node/protocols/protocol_header_out_31800.hpp

@@ -33,8 +33,7 @@ class BCN_API protocol_header_out_31800
 public:
     typedef std::shared_ptr<protocol_header_out_31800> ptr;
 
-    template <typename SessionPtr>
-    protocol_header_out_31800(const SessionPtr& session,
+    protocol_header_out_31800(const auto& session,
         const network::channel::ptr& channel) NOEXCEPT
       : node::protocol(session, channel),
         network::tracker<protocol_header_out_31800>(session->log)

include/bitcoin/node/protocols/protocol_header_out_70012.hpp

@@ -33,8 +33,7 @@ class BCN_API protocol_header_out_70012
 public:
     typedef std::shared_ptr<protocol_header_out_70012> ptr;
 
-    template <typename SessionPtr>
-    protocol_header_out_70012(const SessionPtr& session,
+    protocol_header_out_70012(const auto& session,
         const network::channel::ptr& channel) NOEXCEPT
       : node::protocol_header_out_31800(session, channel),
         network::tracker<protocol_header_out_70012>(session->log)

include/bitcoin/node/protocols/protocol_observer.hpp

@@ -36,8 +36,7 @@ class BCN_API protocol_observer
 
     // TODO: consider relay may be dynamic (disallowed until current).
     // TODO: current network handshake sets relay based on config only.
-    template <typename SessionPtr>
-    protocol_observer(const SessionPtr& session,
+    protocol_observer(const auto& session,
         const network::channel::ptr& channel) NOEXCEPT
       : node::protocol(session, channel),
         relay_disallowed_

include/bitcoin/node/protocols/protocol_performer.hpp

@@ -38,8 +38,7 @@ class BCN_API protocol_performer
     virtual void count(size_t bytes) NOEXCEPT;
 
 protected:
-    template <typename SessionPtr>
-    protocol_performer(const SessionPtr& session,
+    protocol_performer(const auto& session,
         const network::channel::ptr& channel, bool enabled) NOEXCEPT
       : node::protocol(session, channel),
         deviation_(session->config().node.allowed_deviation > 0.0),

include/bitcoin/node/protocols/protocol_transaction_in_106.hpp

@@ -33,8 +33,7 @@ class BCN_API protocol_transaction_in_106
 public:
     typedef std::shared_ptr<protocol_transaction_in_106> ptr;
 
-    template <typename SessionPtr>
-    protocol_transaction_in_106(const SessionPtr& session,
+    protocol_transaction_in_106(const auto& session,
         const network::channel::ptr& channel) NOEXCEPT
       : node::protocol(session, channel),
         ////tx_type_(session->config().network.witness_node() ?

include/bitcoin/node/protocols/protocol_transaction_out_106.hpp

@@ -33,8 +33,7 @@ class BCN_API protocol_transaction_out_106
 public:
     typedef std::shared_ptr<protocol_transaction_out_106> ptr;
 
-    template <typename SessionPtr>
-    protocol_transaction_out_106(const SessionPtr& session,
+    protocol_transaction_out_106(const auto& session,
         const network::channel::ptr& channel) NOEXCEPT
       : node::protocol(session, channel),
         node_witness_(session->config().network.witness_node()),

include/bitcoin/node/protocols/protocols.hpp

@@ -24,6 +24,7 @@
 #include <bitcoin/node/protocols/protocol_block_in_31800.hpp>
 #include <bitcoin/node/protocols/protocol_block_out_106.hpp>
 #include <bitcoin/node/protocols/protocol_block_out_70012.hpp>
+#include <bitcoin/node/protocols/protocol_explore.hpp>
 #include <bitcoin/node/protocols/protocol_filter_out_70015.hpp>
 #include <bitcoin/node/protocols/protocol_header_in_31800.hpp>
 #include <bitcoin/node/protocols/protocol_header_in_70012.hpp>