i2p: initial support

3 files changed, 60 insertions, 3 deletions

diff --git a/src/p2p/net_node.cpp b/src/p2p/net_node.cpp
index 8639fdb3b..2f0678913 100644
--- a/src/p2p/net_node.cpp
+++ b/src/p2p/net_node.cpp
@@ -46,13 +46,14 @@
 #include "net/socks.h"
 #include "net/parse.h"
 #include "net/tor_address.h"
+#include "net/i2p_address.h"
 #include "p2p/p2p_protocol_defs.h"
 #include "string_tools.h"
 
 namespace
 {
     constexpr const boost::chrono::milliseconds future_poll_interval{500};
-    constexpr const std::chrono::seconds tor_connect_timeout{P2P_DEFAULT_TOR_CONNECT_TIMEOUT};
+    constexpr const std::chrono::seconds socks_connect_timeout{P2P_DEFAULT_SOCKS_CONNECT_TIMEOUT};
 
     std::int64_t get_max_connections(const boost::iterator_range<boost::string_ref::const_iterator> value) noexcept
     {
@@ -90,6 +91,9 @@ namespace
         case net::tor_address::get_type_id():
             set = client->set_connect_command(remote.as<net::tor_address>());
             break;
+        case net::i2p_address::get_type_id():
+            set = client->set_connect_command(remote.as<net::i2p_address>());
+            break;
         default:
             MERROR("Unsupported network address in socks_connect");
             return false;
@@ -177,6 +181,9 @@ namespace nodetool
             case epee::net_utils::zone::tor:
                 proxies.back().zone = epee::net_utils::zone::tor;
                 break;
+            case epee::net_utils::zone::i2p:
+                proxies.back().zone = epee::net_utils::zone::i2p;
+                break;
             default:
                 MERROR("Invalid network for --" << arg_proxy.name);
                 return boost::none;
@@ -235,6 +242,10 @@ namespace nodetool
                 inbounds.back().our_address = std::move(*our_address);
                 inbounds.back().default_remote = net::tor_address::unknown();
                 break;
+            case net::i2p_address::get_type_id():
+                inbounds.back().our_address = std::move(*our_address);
+                inbounds.back().default_remote = net::i2p_address::unknown();
+                break;
             default:
                 MERROR("Invalid inbound address (" << address << ") for --" << arg_anonymous_inbound.name << ": " << (our_address ? "invalid type" : our_address.error().message()));
                 return boost::none;
@@ -308,7 +319,7 @@ namespace nodetool
         const auto start = std::chrono::steady_clock::now();
         while (socks_result.wait_for(future_poll_interval) == boost::future_status::timeout)
         {
-            if (tor_connect_timeout < std::chrono::steady_clock::now() - start)
+            if (socks_connect_timeout < std::chrono::steady_clock::now() - start)
             {
                 MERROR("Timeout on socks connect (" << proxy << " to " << remote.str() << ")");
                 return boost::none;
diff --git a/src/p2p/net_peerlist_boost_serialization.h b/src/p2p/net_peerlist_boost_serialization.h
index d2e9efa3d..6c891581f 100644
--- a/src/p2p/net_peerlist_boost_serialization.h
+++ b/src/p2p/net_peerlist_boost_serialization.h
@@ -1,4 +1,4 @@
-	// Copyright (c) 2014-2018, The Monero Project
+// Copyright (c) 2014-2018, The Monero Project
 // 
 // All rights reserved.
 // 
@@ -35,6 +35,7 @@
 #include "common/expect.h"
 #include "net/net_utils_base.h"
 #include "net/tor_address.h"
+#include "net/i2p_address.h"
 #include "p2p/p2p_protocol_defs.h"
 
 #ifdef CRYPTONOTE_PRUNING_DEBUG_SPOOF_SEED
@@ -76,6 +77,9 @@ namespace boost
         case net::tor_address::get_type_id():
           do_serialize<net::tor_address>(is_saving, a, na);
           break;
+        case net::i2p_address::get_type_id():
+          do_serialize<net::i2p_address>(is_saving, a, na);
+          break;
         case epee::net_utils::address_type::invalid:
         default:
           throw std::runtime_error("Unsupported network address type");
@@ -107,6 +111,20 @@ namespace boost
     }
 
     template <class Archive, class ver_type>
+    inline void save(Archive& a, const net::i2p_address& na, const ver_type)
+    {
+      const size_t length = std::strlen(na.host_str());
+      if (length > 255)
+        MONERO_THROW(net::error::invalid_i2p_address, "i2p address too long");
+
+      const uint16_t port{na.port()};
+      const uint8_t len = length;
+      a & port;
+      a & len;
+      a.save_binary(na.host_str(), length);
+    }
+
+    template <class Archive, class ver_type>
     inline void load(Archive& a, net::tor_address& na, const ver_type)
     {
       uint16_t port = 0;
@@ -128,12 +146,39 @@ namespace boost
     }
 
     template <class Archive, class ver_type>
+    inline void load(Archive& a, net::i2p_address& na, const ver_type)
+    {
+      uint16_t port = 0;
+      uint8_t length = 0;
+      a & port;
+      a & length;
+
+      if (length > net::i2p_address::buffer_size())
+        MONERO_THROW(net::error::invalid_i2p_address, "i2p address too long");
+
+      char host[net::i2p_address::buffer_size()] = {0};
+      a.load_binary(host, length);
+      host[sizeof(host) - 1] = 0;
+
+      if (std::strcmp(host, net::i2p_address::unknown_str()) == 0)
+        na = net::i2p_address::unknown();
+      else
+        na = MONERO_UNWRAP(net::i2p_address::make(host, port));
+    }
+
+    template <class Archive, class ver_type>
     inline void serialize(Archive &a, net::tor_address& na, const ver_type ver)
     {
       boost::serialization::split_free(a, na, ver);
     }
 
     template <class Archive, class ver_type>
+    inline void serialize(Archive &a, net::i2p_address& na, const ver_type ver)
+    {
+      boost::serialization::split_free(a, na, ver);
+    }
+
+    template <class Archive, class ver_type>
     inline void serialize(Archive &a,  nodetool::peerlist_entry& pl, const ver_type ver)
     {
       a & pl.adr;
diff --git a/src/p2p/p2p_protocol_defs.h b/src/p2p/p2p_protocol_defs.h
index 6e5e45008..e9449b950 100644
--- a/src/p2p/p2p_protocol_defs.h
+++ b/src/p2p/p2p_protocol_defs.h
@@ -35,6 +35,7 @@
 #include "serialization/keyvalue_serialization.h"
 #include "net/net_utils_base.h"
 #include "net/tor_address.h" // needed for serialization
+#include "net/i2p_address.h" // needed for serialization
 #include "misc_language.h"
 #include "string_tools.h"
 #include "time_helper.h"