C++ (Cpp) DB_MSG_FROM_HOST::enumerate示例

示例#1

文件： message_handler.cpp 项目： FoxKyong/boinc

// make one pass through msgs_from_host with handled == 0
// return true if there were any
//
bool do_message_scan() {
    DB_MSG_FROM_HOST mfh;
    char buf[256];
    bool found=false;
    int retval;

    sprintf(buf, "where handled=0");
    while (1) {
        retval = mfh.enumerate(buf);
        if (retval) {
            if (retval != ERR_DB_NOT_FOUND) {
                log_messages.printf(MSG_DEBUG,
                    "DB connection lost, exiting\n"
                );
                exit(0);
            }
            break;
        }
        retval = handle_message(mfh);
        if (!retval) {
            mfh.handled = true;
            mfh.update();
        }
        found = true;
    }
    return found;
}

示例#2

文件： trickle_handler.cpp 项目： Ashod/Boinc

// make one pass through trickle_ups with handled == 0
// return true if there were any
//
bool do_trickle_scan() {
    DB_MSG_FROM_HOST mfh;
    char buf[256];
    bool found=false;
    int retval;

    sprintf(buf, "where variety='%s' and handled=0", variety);
    while (1) {
        retval = mfh.enumerate(buf);
        if (retval) {
            if (retval != ERR_DB_NOT_FOUND) {
                fprintf(stderr, "lost DB conn\n");
                exit(1);
            }
            break;
        }
        retval = handle_trickle(mfh);
        if (!retval) {
            log_messages.printf(MSG_CRITICAL,
                "handle_trickle(): %s", boincerror(retval)
            );
        }
        mfh.handled = true;
        mfh.update();
        found = true;
    }
    return found;
}