virsh命令调用流程(1)

virsh.c中
main-> vshParseArgv-> vshCommandArgvParse-> vshCommandParse-> vshCmddefSearch

int
main(int argc, char **argv)
{
    if (!vshParseArgv(ctl, argc, argv)) {
        vshDeinit(ctl);
        exit(EXIT_FAILURE);
    }

static bool
vshParseArgv(vshControl *ctl, int argc, char **argv)
{
    if (argc > optind) {
        /* parse command */
        ctl->imode = false;
        if (argc - optind == 1) {
            vshDebug(ctl, VSH_ERR_INFO, "commands: \"%s\"\n", argv[optind]);
            return vshCommandStringParse(ctl, argv[optind]);
        } else {
            return vshCommandArgvParse(ctl, argc - optind, argv + optind);
        }
    }

static bool
vshCommandArgvParse(vshControl *ctl, int nargs, char **argv)
{
    vshCommandParser parser;

    if (nargs <= 0)
        return false;

    parser.arg_pos = argv;
    parser.arg_end = argv + nargs;
    parser.getNextArg = vshCommandArgvGetArg;
    return vshCommandParse(ctl, &parser);
}