rpc: in/out peers can now return the setting's value

src/daemon/command_parser_executor.cpp

@@ -493,11 +493,14 @@ bool t_command_parser_executor::set_limit_down(const std::vector<std::string>& a
 
 bool t_command_parser_executor::out_peers(const std::vector<std::string>& args)
 {
-	if (args.empty()) return false;
+	bool set = false;
-	
+	uint32_t limit = 0;
-	unsigned int limit;
 	try {
-		limit = std::stoi(args[0]);
+		if (!args.empty())
+		{
+			limit = std::stoi(args[0]);
+			set = true;
+		}
 	}
 	  
 	catch(const std::exception& ex) {
@@ -505,16 +508,19 @@ bool t_command_parser_executor::out_peers(const std::vector<std::string>& args)
 		return false;
 	}
 	
-	return m_executor.out_peers(limit);
+	return m_executor.out_peers(set, limit);
 }
 
 bool t_command_parser_executor::in_peers(const std::vector<std::string>& args)
 {
-	if (args.empty()) return false;
+	bool set = false;
-
+	uint32_t limit = 0;
-	unsigned int limit;
 	try {
-		limit = std::stoi(args[0]);
+		if (!args.empty())
+		{
+			limit = std::stoi(args[0]);
+			set = true;
+		}
 	}
 
 	catch(const std::exception& ex) {
@@ -522,7 +528,7 @@ bool t_command_parser_executor::in_peers(const std::vector<std::string>& args)
 		return false;
 	}
 
-	return m_executor.in_peers(limit);
+	return m_executor.in_peers(set, limit);
 }
 
 bool t_command_parser_executor::start_save_graph(const std::vector<std::string>& args)

src/daemon/rpc_command_executor.cpp

@@ -1465,13 +1465,14 @@ bool t_rpc_command_executor::get_limit_down()
   return true;
 }
 
-bool t_rpc_command_executor::out_peers(uint64_t limit)
+bool t_rpc_command_executor::out_peers(bool set, uint32_t limit)
 {
 	cryptonote::COMMAND_RPC_OUT_PEERS::request req;
 	cryptonote::COMMAND_RPC_OUT_PEERS::response res;
 	
 	epee::json_rpc::error error_resp;
 
+	req.set = set;
 	req.out_peers = limit;
 	
 	std::string fail_message = "Unsuccessful";
@@ -1492,18 +1493,20 @@ bool t_rpc_command_executor::out_peers(uint64_t limit)
 		}
 	}
 
-	tools::msg_writer() << "Max number of out peers set to " << limit << std::endl;
+	const std::string s = res.out_peers == (uint32_t)-1 ? "unlimited" : std::to_string(res.out_peers);
+	tools::msg_writer() << "Max number of out peers set to " << s << std::endl;
 
 	return true;
 }
 
-bool t_rpc_command_executor::in_peers(uint64_t limit)
+bool t_rpc_command_executor::in_peers(bool set, uint32_t limit)
 {
 	cryptonote::COMMAND_RPC_IN_PEERS::request req;
 	cryptonote::COMMAND_RPC_IN_PEERS::response res;
 
 	epee::json_rpc::error error_resp;
 
+	req.set = set;
 	req.in_peers = limit;
 
 	std::string fail_message = "Unsuccessful";
@@ -1524,7 +1527,8 @@ bool t_rpc_command_executor::in_peers(uint64_t limit)
 		}
 	}
 
-	tools::msg_writer() << "Max number of in peers set to " << limit << std::endl;
+	const std::string s = res.in_peers == (uint32_t)-1 ? "unlimited" : std::to_string(res.in_peers);
+	tools::msg_writer() << "Max number of in peers set to " << s << std::endl;
 
 	return true;
 }

src/daemon/rpc_command_executor.h

@@ -123,9 +123,9 @@ public:
 
   bool set_limit(int64_t limit_down, int64_t limit_up);
 
-  bool out_peers(uint64_t limit);
+  bool out_peers(bool set, uint32_t limit);
 
-  bool in_peers(uint64_t limit);
+  bool in_peers(bool set, uint32_t limit);
 
   bool start_save_graph();
   

src/p2p/net_node.h

@@ -245,7 +245,9 @@ namespace nodetool
     size_t get_zone_count() const { return m_network_zones.size(); }
 
     void change_max_out_public_peers(size_t count);
+    uint32_t get_max_out_public_peers() const;
     void change_max_in_public_peers(size_t count);
+    uint32_t get_max_in_public_peers() const;
     virtual bool block_host(const epee::net_utils::network_address &adress, time_t seconds = P2P_IP_BLOCKTIME);
     virtual bool unblock_host(const epee::net_utils::network_address &address);
     virtual std::map<std::string, time_t> get_blocked_hosts() { CRITICAL_REGION_LOCAL(m_blocked_hosts_lock); return m_blocked_hosts; }

src/p2p/net_node.inl

@@ -2216,6 +2216,15 @@ namespace nodetool
     }
   }
 
+  template<class t_payload_net_handler>
+  uint32_t node_server<t_payload_net_handler>::get_max_out_public_peers() const
+  {
+    const auto public_zone = m_network_zones.find(epee::net_utils::zone::public_);
+    if (public_zone == m_network_zones.end())
+      return 0;
+    return public_zone->second.m_config.m_net_config.max_out_connection_count;
+  }
+
   template<class t_payload_net_handler>
   void node_server<t_payload_net_handler>::change_max_in_public_peers(size_t count)
   {
@@ -2229,6 +2238,15 @@ namespace nodetool
     }
   }
 
+  template<class t_payload_net_handler>
+  uint32_t node_server<t_payload_net_handler>::get_max_in_public_peers() const
+  {
+    const auto public_zone = m_network_zones.find(epee::net_utils::zone::public_);
+    if (public_zone == m_network_zones.end())
+      return 0;
+    return public_zone->second.m_config.m_net_config.max_in_connection_count;
+  }
+
   template<class t_payload_net_handler>
   bool node_server<t_payload_net_handler>::set_tos_flag(const boost::program_options::variables_map& vm, int flag)
   {

src/rpc/core_rpc_server.cpp

@@ -2075,7 +2075,9 @@ namespace cryptonote
   bool core_rpc_server::on_out_peers(const COMMAND_RPC_OUT_PEERS::request& req, COMMAND_RPC_OUT_PEERS::response& res, const connection_context *ctx)
   {
     PERF_TIMER(on_out_peers);
-    m_p2p.change_max_out_public_peers(req.out_peers);
+    if (req.set)
+      m_p2p.change_max_out_public_peers(req.out_peers);
+    res.out_peers = m_p2p.get_max_out_public_peers();
     res.status = CORE_RPC_STATUS_OK;
     return true;
   }
@@ -2083,7 +2085,9 @@ namespace cryptonote
   bool core_rpc_server::on_in_peers(const COMMAND_RPC_IN_PEERS::request& req, COMMAND_RPC_IN_PEERS::response& res, const connection_context *ctx)
   {
     PERF_TIMER(on_in_peers);
-    m_p2p.change_max_in_public_peers(req.in_peers);
+    if (req.set)
+      m_p2p.change_max_in_public_peers(req.in_peers);
+    res.in_peers = m_p2p.get_max_in_public_peers();
     res.status = CORE_RPC_STATUS_OK;
     return true;
   }

src/rpc/core_rpc_server_commands_defs.h

@@ -84,7 +84,7 @@ namespace cryptonote
 // advance which version they will stop working with
 // Don't go over 32767 for any of these
 #define CORE_RPC_VERSION_MAJOR 2
-#define CORE_RPC_VERSION_MINOR 6
+#define CORE_RPC_VERSION_MINOR 7
 #define MAKE_CORE_RPC_VERSION(major,minor) (((major)<<16)|(minor))
 #define CORE_RPC_VERSION MAKE_CORE_RPC_VERSION(CORE_RPC_VERSION_MAJOR, CORE_RPC_VERSION_MINOR)
 
@@ -1682,8 +1682,10 @@ namespace cryptonote
   {
     struct request_t
     {
-	  uint64_t out_peers;
+      bool set;
+      uint32_t out_peers;
       BEGIN_KV_SERIALIZE_MAP()
+        KV_SERIALIZE_OPT(set, true)
         KV_SERIALIZE(out_peers)
       END_KV_SERIALIZE_MAP()
     };
@@ -1691,9 +1693,11 @@ namespace cryptonote
     
     struct response_t
     {
+      uint32_t out_peers;
       std::string status;
 
       BEGIN_KV_SERIALIZE_MAP()
+        KV_SERIALIZE(out_peers)
         KV_SERIALIZE(status)
       END_KV_SERIALIZE_MAP()
     };
@@ -1704,8 +1708,10 @@ namespace cryptonote
   {
     struct request_t
     {
-      uint64_t in_peers;
+      bool set;
+      uint32_t in_peers;
       BEGIN_KV_SERIALIZE_MAP()
+        KV_SERIALIZE_OPT(set, true)
         KV_SERIALIZE(in_peers)
       END_KV_SERIALIZE_MAP()
     };
@@ -1713,9 +1719,11 @@ namespace cryptonote
 
     struct response_t
     {
+      uint32_t in_peers;
       std::string status;
 
       BEGIN_KV_SERIALIZE_MAP()
+        KV_SERIALIZE(in_peers)
         KV_SERIALIZE(status)
       END_KV_SERIALIZE_MAP()
     };