virsh命令调用流程（2）

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static bool
vshCommandParse(vshControl *ctl, vshCommandParser *parser)
{
            if (cmd == NULL) {
                /* first token must be command name */
                if (!(cmd = vshCmddefSearch(tkdata))) {

static const vshCmdGrp cmdGroups[] = {
    {VSH_CMD_GRP_DOM_MANAGEMENT, "domain", domManagementCmds},
    {VSH_CMD_GRP_DOM_MONITORING, "monitor", domMonitoringCmds},
    {VSH_CMD_GRP_HOST_AND_HV, "host", hostAndHypervisorCmds},
    {VSH_CMD_GRP_IFACE, "interface", ifaceCmds},
    {VSH_CMD_GRP_NWFILTER, "filter", nwfilterCmds},
    {VSH_CMD_GRP_NETWORK, "network", networkCmds},
    {VSH_CMD_GRP_NODEDEV, "nodedev", nodedevCmds},
    {VSH_CMD_GRP_SECRET, "secret", secretCmds},
    {VSH_CMD_GRP_SNAPSHOT, "snapshot", snapshotCmds},
    {VSH_CMD_GRP_STORAGE_POOL, "pool", storagePoolCmds},
    {VSH_CMD_GRP_STORAGE_VOL, "volume", storageVolCmds},
    {VSH_CMD_GRP_VIRSH, "virsh", virshCmds},
    {NULL, NULL, NULL}
};

domManagementCmds

static const vshCmdDef domManagementCmds[] = {
{"define", cmdDefine, opts_define, info_define, 0},

返回vshCmdDef
cmd = domManagementCmds

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]);