Function StringToProtocolType

src/brpc/protocol.cpp:161–189

}

ProtocolType StringToProtocolType(const butil::StringPiece& name,
                                  bool print_log_on_unknown) {
    // Force init of s_protocol_name.
    GlobalInitializeOrDie();

    ProtocolEntry* const protocol_map = get_protocol_map();
    for (size_t i = 0; i < MAX_PROTOCOL_SIZE; ++i) {
        if (protocol_map[i].valid.load(butil::memory_order_acquire) &&
            CompareStringPieceWithoutCase(name, protocol_map[i].protocol.name)) {
            return static_cast<ProtocolType>(i);
        }
    }
    // We need to print a log here otherwise the return value cannot reflect
    // the original input, which makes later initializations of other classes
    // fail with vague logs which is not informational to user, like this:
    //   "channel doesn't support protocol=unknown"
    // Some callsite may not need this log, so we keep a flag.
    if (print_log_on_unknown) {
        std::ostringstream err;
        err << "Unknown protocol `" << name << "', supported protocols:";
        for (size_t i = 0; i < MAX_PROTOCOL_SIZE; ++i) {
            if (protocol_map[i].valid.load(butil::memory_order_acquire)) {
                err << ' ' << protocol_map[i].protocol.name;
            }
        }
        LOG(ERROR) << err.str();
    }
    return PROTOCOL_UNKNOWN;
}

const char* ProtocolTypeToString(ProtocolType type) {
    // Force init of s_protocol_name.