Function fillUnixSocketAddr

lib/cpp/src/thrift/transport/SocketCommon.cpp:33–62

namespace transport {

socklen_t fillUnixSocketAddr(struct sockaddr_un& address, std::string& path)
{
    // abstract namespace socket ?
    bool isAbstractNamespace = path[0] == 0;

#ifndef __linux__
    if (isAbstractNamespace) {
      TOutput::instance().perror("TSocket::open() Abstract Namespace Domain sockets only supported on linux: ", -99);
      throw TTransportException(TTransportException::NOT_OPEN,
                                " Abstract Namespace Domain socket path not supported");
    }
#endif

    /*
     * For abstract namespace sockets, the path string is not null-terminated (as opposite to path based), so we
     *   rely in pass the string size, to the bind() call.
     */
    size_t addr_len = isAbstractNamespace ? path.size() : path.size() + 1;

    if (addr_len > sizeof(((sockaddr_un*)nullptr)->sun_path)) {
        int errno_copy = THRIFT_GET_SOCKET_ERROR;
        TOutput::instance().perror("TSocket::open() Unix Domain socket path too long", errno_copy);
        throw TTransportException(TTransportException::NOT_OPEN, " Unix Domain socket path too long");
    }

    address.sun_family = AF_UNIX;
    memcpy(address.sun_path, path.c_str(), addr_len);

    return static_cast<socklen_t>(sizeof((sockaddr_un*)nullptr)->sun_family + addr_len);
}

}
}