1 files changed, 71 insertions, 0 deletions
diff --git a/src/cryptonote_basic/connection_context.cpp b/src/cryptonote_basic/connection_context.cpp
new file mode 100644
index 000000000..a0b8ca1f1
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+++ b/src/cryptonote_basic/connection_context.cpp
@@ -0,0 +1,71 @@
+// Copyright (c) 2020, The Monero Project
+//
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+//
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+//
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "connection_context.h"
+
+#include "cryptonote_protocol/cryptonote_protocol_defs.h"
+#include "p2p/p2p_protocol_defs.h"
+
+namespace cryptonote
+{
+  std::size_t cryptonote_connection_context::get_max_bytes(const int command) noexcept
+  {
+    switch (command)
+    {
+    case nodetool::COMMAND_HANDSHAKE_T<cryptonote::CORE_SYNC_DATA>::ID:
+      return 65536;
+    case nodetool::COMMAND_TIMED_SYNC_T<cryptonote::CORE_SYNC_DATA>::ID:
+      return 65536;
+    case nodetool::COMMAND_PING::ID:
+      return 4096;
+    case nodetool::COMMAND_REQUEST_SUPPORT_FLAGS::ID:
+      return 4096;
+    case cryptonote::NOTIFY_NEW_BLOCK::ID:
+      return 1024 * 1024 * 128; // 128 MB (max packet is a bit less than 100 MB though)
+    case cryptonote::NOTIFY_NEW_TRANSACTIONS::ID:
+      return 1024 * 1024 * 128; // 128 MB (max packet is a bit less than 100 MB though)
+    case cryptonote::NOTIFY_REQUEST_GET_OBJECTS::ID:
+      return 1024 * 1024 * 2; // 2 MB
+    case cryptonote::NOTIFY_RESPONSE_GET_OBJECTS::ID:
+      return 1024 * 1024 * 128; // 128 MB (max packet is a bit less than 100 MB though)
+    case cryptonote::NOTIFY_REQUEST_CHAIN::ID:
+      return 512 * 1024; // 512 kB
+    case cryptonote::NOTIFY_RESPONSE_CHAIN_ENTRY::ID:
+      return 1024 * 1024 * 4; // 4 MB
+    case cryptonote::NOTIFY_NEW_FLUFFY_BLOCK::ID:
+      return 1024 * 1024 * 4; // 4 MB, but it does not includes transaction data
+    case cryptonote::NOTIFY_REQUEST_FLUFFY_MISSING_TX::ID:
+      return 1024 * 1024; // 1 MB
+    case cryptonote::NOTIFY_GET_TXPOOL_COMPLEMENT::ID:
+      return 1024 * 1024 * 4; // 4 MB
+    default:
+      break;
+    };
+    return std::numeric_limits<size_t>::max();
+  }
+} // cryptonote