[libvirt] [PATCH 14/23] qemu_conf: split out virQEMUDriverConfigLoadProcessEntry

John Ferlan jferlan at redhat.com
Thu Jan 17 13:48:54 UTC 2019



On 1/15/19 8:23 AM, Ján Tomko wrote:
> Split out parts of the config parsing code to make
> the parent function easier to read.
> 
> Signed-off-by: Ján Tomko <jtomko at redhat.com>
> ---
>  src/qemu/qemu_conf.c | 162 ++++++++++++++++++++++++-------------------
>  1 file changed, 90 insertions(+), 72 deletions(-)
> 
> diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c
> index 776ba3f3ad..8bc653fa9e 100644
> --- a/src/qemu/qemu_conf.c
> +++ b/src/qemu/qemu_conf.c
> @@ -423,6 +423,95 @@ virQEMUDriverConfigHugeTLBFSInit(virHugeTLBFSPtr hugetlbfs,
>  }
>  
>  
> +static int
> +virQEMUDriverConfigLoadProcessEntry(virQEMUDriverConfigPtr cfg,
> +                                    virConfPtr conf)
> +{
> +    char *stdioHandler = NULL;
> +    char **hugetlbfs = NULL;
> +    char *corestr = NULL;

VIR_AUTOPTR for each

> +    int ret = -1;
> +    size_t i;
> +
> +    if (virConfGetValueStringList(conf, "hugetlbfs_mount", true,
> +                                  &hugetlbfs) < 0)
> +        goto cleanup;
> +    if (hugetlbfs) {
> +        /* There already might be something autodetected. Avoid leaking it. */
> +        while (cfg->nhugetlbfs) {
> +            cfg->nhugetlbfs--;
> +            VIR_FREE(cfg->hugetlbfs[cfg->nhugetlbfs].mnt_dir);
> +        }
> +        VIR_FREE(cfg->hugetlbfs);
> +
> +        cfg->nhugetlbfs = virStringListLength((const char *const *)hugetlbfs);
> +        if (hugetlbfs[0] &&
> +            VIR_ALLOC_N(cfg->hugetlbfs, cfg->nhugetlbfs) < 0)
> +            goto cleanup;
> +
> +        for (i = 0; hugetlbfs[i] != NULL; i++) {
> +            if (virQEMUDriverConfigHugeTLBFSInit(&cfg->hugetlbfs[i],
> +                                                 hugetlbfs[i], i != 0) < 0)
> +                goto cleanup;
> +        }
> +    }
> +
> +    if (virConfGetValueBool(conf, "clear_emulator_capabilities", &cfg->clearEmulatorCapabilities) < 0)
> +        goto cleanup;
> +    if (virConfGetValueString(conf, "bridge_helper", &cfg->bridgeHelperName) < 0)
> +        goto cleanup;
> +
> +    if (virConfGetValueString(conf, "pr_helper", &cfg->prHelperName) < 0)
> +        goto cleanup;
> +
> +    if (virConfGetValueBool(conf, "set_process_name", &cfg->setProcessName) < 0)
> +        goto cleanup;
> +    if (virConfGetValueUInt(conf, "max_processes", &cfg->maxProcesses) < 0)
> +        goto cleanup;
> +    if (virConfGetValueUInt(conf, "max_files", &cfg->maxFiles) < 0)
> +        goto cleanup;
> +
> +    if (virConfGetValueType(conf, "max_core") == VIR_CONF_STRING) {
> +        if (virConfGetValueString(conf, "max_core", &corestr) < 0)
> +            goto cleanup;
> +        if (STREQ(corestr, "unlimited")) {
> +            cfg->maxCore = ULLONG_MAX;
> +        } else {
> +            virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
> +                           _("Unknown core size '%s'"),
> +                           corestr);
> +            goto cleanup;
> +        }
> +    } else if (virConfGetValueULLong(conf, "max_core", &cfg->maxCore) < 0) {
> +        goto cleanup;
> +    }
> +
> +    if (virConfGetValueBool(conf, "dump_guest_core", &cfg->dumpGuestCore) < 0)
> +        goto cleanup;
> +    if (virConfGetValueString(conf, "stdio_handler", &stdioHandler) < 0)
> +        goto cleanup;
> +    if (stdioHandler) {
> +        if (STREQ(stdioHandler, "logd")) {
> +            cfg->stdioLogD = true;
> +        } else if (STREQ(stdioHandler, "file")) {
> +            cfg->stdioLogD = false;
> +        } else {
> +            virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
> +                           _("Unknown stdio handler %s"),
> +                           stdioHandler);
> +            VIR_FREE(stdioHandler);
> +            goto cleanup;
> +        }
> +        VIR_FREE(stdioHandler);
> +    }
> +
> +    ret = 0;
> + cleanup:
> +    virStringListFree(hugetlbfs);
> +    VIR_FREE(corestr);
> +    return ret;
> +}
> +

blank line

Reviewed-by: John Ferlan <jferlan at redhat.com>

John




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