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qemu_conf: split out virQEMUDriverConfigLoadProcessEntry

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Split out parts of the config parsing code to make
the parent function easier to read.

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
This commit is contained in:
Ján Tomko 2019-01-15 12:35:59 +01:00
parent 00063c2c95
commit 0ebe4e60e6
1 changed files with 91 additions and 75 deletions
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166
src/qemu/qemu_conf.c
View File

@ -423,6 +423,96 @@ virQEMUDriverConfigHugeTLBFSInit(virHugeTLBFSPtr hugetlbfs,
}
static int
virQEMUDriverConfigLoadProcessEntry(virQEMUDriverConfigPtr cfg,
virConfPtr conf)
{
char *stdioHandler = NULL;
char **hugetlbfs = NULL;
char *corestr = NULL;
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;
}
static int
virQEMUDriverConfigLoadDeviceEntry(virQEMUDriverConfigPtr cfg,
virConfPtr conf)
@ -724,9 +814,6 @@ int virQEMUDriverConfigLoadFile(virQEMUDriverConfigPtr cfg,
virConfPtr conf = NULL;
int ret = -1;
int rv;
size_t i;
char *stdioHandler = NULL;
char **hugetlbfs = NULL;
char *corestr = NULL;
/* Just check the file is readable before opening it, otherwise
@ -897,78 +984,8 @@ int virQEMUDriverConfigLoadFile(virQEMUDriverConfigPtr cfg,
if (virConfGetValueBool(conf, "auto_start_bypass_cache", &cfg->autoStartBypassCache) < 0)
goto cleanup;
if (virConfGetValueStringList(conf, "hugetlbfs_mount", true,
&hugetlbfs) < 0)
if (virQEMUDriverConfigLoadProcessEntry(cfg, conf) < 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 (virConfGetValueString(conf, "bridge_helper", &cfg->bridgeHelperName) < 0)
goto cleanup;
if (virConfGetValueString(conf, "pr_helper", &cfg->prHelperName) < 0)
goto cleanup;
if (virConfGetValueBool(conf, "clear_emulator_capabilities", &cfg->clearEmulatorCapabilities) < 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);
}
if (virQEMUDriverConfigLoadDeviceEntry(cfg, conf) < 0)
goto cleanup;
@ -1000,7 +1017,6 @@ int virQEMUDriverConfigLoadFile(virQEMUDriverConfigPtr cfg,
ret = 0;
cleanup:
virStringListFree(hugetlbfs);
VIR_FREE(corestr);
virConfFree(conf);
return ret;