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Update README and IPv6 preparations

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DcruBro
2025-12-02 01:18:06 +01:00
parent 15d13b6f04
commit 4dbde290c2
2 changed files with 19 additions and 0 deletions
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2
README.md
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@@ -76,6 +76,8 @@ ColumnLynx makes use of both **TCP** and **UDP**. **TCP** is used for the initia
It operates on port **48042** for both TCP and UDP. It operates on port **48042** for both TCP and UDP.
Generally, all transmission is done in **little-endian byte order**, since pretty much every single modern architecture uses it by default. The only exemption to this is the **transmission of IP addresses** (for the **Virtual Interface**), which is **big-endian**.
### Handshake Procedure ### Handshake Procedure
The handshake between the client and server is done over **TCP**. This is to ensure delivery without much hassle. The handshake between the client and server is done over **TCP**. This is to ensure delivery without much hassle.

17
include/columnlynx/common/utils.hpp
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@@ -13,6 +13,7 @@
#include <fstream> #include <fstream>
#include <chrono> #include <chrono>
#include <unordered_map> #include <unordered_map>
#include <algorithm>
#ifdef _WIN32 #ifdef _WIN32
#include <winsock2.h> #include <winsock2.h>
@@ -22,6 +23,10 @@
#include <unistd.h> #include <unistd.h>
#endif #endif
namespace ColumnLynx {
using IPv6Addr = std::array<uint8_t, 16>;
}
namespace ColumnLynx::Utils { namespace ColumnLynx::Utils {
// General log function. Use for logging important information. // General log function. Use for logging important information.
void log(const std::string &msg); void log(const std::string &msg);
@@ -76,6 +81,18 @@ namespace ColumnLynx::Utils {
return cbswap64(x); return cbswap64(x);
} }
template <typename T>
T cbswap128(const T& x) {
static_assert(sizeof(T) == 16, "cbswap128 requires a 128-bit type");
T out{};
const uint8_t* src = reinterpret_cast<const uint8_t*>(&x);
uint8_t* dst = reinterpret_cast<uint8_t*>(&out);
std::reverse_copy(src, src + 16, dst);
return out;
}
// Returns the config file in an unordered_map format. This purely reads the config file, you still need to parse it manually. // Returns the config file in an unordered_map format. This purely reads the config file, you still need to parse it manually.
std::unordered_map<std::string, std::string> getConfigMap(std::string path); std::unordered_map<std::string, std::string> getConfigMap(std::string path);
}; };