//protocol_utils.cpp
#include "protocol_utils.h"

std::vector<unsigned char> encodeVarint(int value) {
    std::vector<unsigned char> varint;
    auto uValue = static_cast<unsigned int>(value);
    do {
        unsigned char temp = uValue & 0x7FU;
        uValue >>= 7;
        if (uValue != 0) {
            temp |= 0x80;
        }
        varint.push_back(temp);
    } while (uValue != 0);
    return varint;
}

std::vector<unsigned char> encodeString(const std::string &str) {
    std::vector<unsigned char> data = encodeVarint(str.length());
    (void) data.insert(data.end(), str.begin(), str.end());
    return data;
}