1 files changed, 0 insertions, 78 deletions
diff --git a/src/input_common/udp/protocol.cpp b/src/input_common/udp/protocol.cpp
deleted file mode 100644
index 5e50bd612..000000000
--- a/src/input_common/udp/protocol.cpp
+++ /dev/null
@@ -1,78 +0,0 @@
-// Copyright 2018 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <cstddef>
-#include <cstring>
-#include "common/logging/log.h"
-#include "input_common/udp/protocol.h"
-
-namespace InputCommon::CemuhookUDP {
-
-static constexpr std::size_t GetSizeOfResponseType(Type t) {
-    switch (t) {
-    case Type::Version:
-        return sizeof(Response::Version);
-    case Type::PortInfo:
-        return sizeof(Response::PortInfo);
-    case Type::PadData:
-        return sizeof(Response::PadData);
-    }
-    return 0;
-}
-
-namespace Response {
-
-/**
- * Returns Type if the packet is valid, else none
- *
- * Note: Modifies the buffer to zero out the crc (since thats the easiest way to check without
- * copying the buffer)
- */
-std::optional<Type> Validate(u8* data, std::size_t size) {
-    if (size < sizeof(Header)) {
-        return std::nullopt;
-    }
-    Header header{};
-    std::memcpy(&header, data, sizeof(Header));
-    if (header.magic != SERVER_MAGIC) {
-        LOG_ERROR(Input, "UDP Packet has an unexpected magic value");
-        return std::nullopt;
-    }
-    if (header.protocol_version != PROTOCOL_VERSION) {
-        LOG_ERROR(Input, "UDP Packet protocol mismatch");
-        return std::nullopt;
-    }
-    if (header.type < Type::Version || header.type > Type::PadData) {
-        LOG_ERROR(Input, "UDP Packet is an unknown type");
-        return std::nullopt;
-    }
-
-    // Packet size must equal sizeof(Header) + sizeof(Data)
-    // and also verify that the packet info mentions the correct size. Since the spec includes the
-    // type of the packet as part of the data, we need to include it in size calculations here
-    // ie: payload_length == sizeof(T) + sizeof(Type)
-    const std::size_t data_len = GetSizeOfResponseType(header.type);
-    if (header.payload_length != data_len + sizeof(Type) || size < data_len + sizeof(Header)) {
-        LOG_ERROR(
-            Input,
-            "UDP Packet payload length doesn't match. Received: {} PayloadLength: {} Expected: {}",
-            size, header.payload_length, data_len + sizeof(Type));
-        return std::nullopt;
-    }
-
-    const u32 crc32 = header.crc;
-    boost::crc_32_type result;
-    // zero out the crc in the buffer and then run the crc against it
-    std::memset(&data[offsetof(Header, crc)], 0, sizeof(u32_le));
-
-    result.process_bytes(data, data_len + sizeof(Header));
-    if (crc32 != result.checksum()) {
-        LOG_ERROR(Input, "UDP Packet CRC check failed. Offset: {}", offsetof(Header, crc));
-        return std::nullopt;
-    }
-    return header.type;
-}
-} // namespace Response
-
-} // namespace InputCommon::CemuhookUDP