Rather than have lots of ugly inline code create helpers to try and make things more readable. While creating the helpers realign the code as necessary.
Signed-off-by: John Ferlan <jfer...@redhat.com> --- src/conf/storage_adapter_conf.c | 239 +++++++++++++++++++++++----------------- 1 file changed, 138 insertions(+), 101 deletions(-) diff --git a/src/conf/storage_adapter_conf.c b/src/conf/storage_adapter_conf.c index a2d4a3a..a361c34 100644 --- a/src/conf/storage_adapter_conf.c +++ b/src/conf/storage_adapter_conf.c @@ -52,12 +52,11 @@ virStorageAdapterFCHostClear(virStoragePoolSourceAdapterPtr adapter) void virStorageAdapterClear(virStoragePoolSourceAdapterPtr adapter) { - if (adapter->type == VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_FC_HOST) { + if (adapter->type == VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_FC_HOST) virStorageAdapterFCHostClear(adapter); - } else if (adapter->type == - VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_SCSI_HOST) { + + if (adapter->type == VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_SCSI_HOST) VIR_FREE(adapter->data.scsi_host.name); - } } @@ -95,6 +94,83 @@ virStorageAdapterFCHostParseXML(xmlNodePtr node, } +static int +virStorageAdapterSCSIHostParseXML(xmlNodePtr node, + xmlXPathContextPtr ctxt, + virStoragePoolSourcePtr source) +{ + source->adapter.data.scsi_host.name = + virXMLPropString(node, "name"); + if (virXPathNode("./parentaddr", ctxt)) { + xmlNodePtr addrnode = virXPathNode("./parentaddr/address", ctxt); + virPCIDeviceAddressPtr addr = + &source->adapter.data.scsi_host.parentaddr; + + if (!addrnode) { + virReportError(VIR_ERR_XML_ERROR, "%s", + _("Missing scsi_host PCI address element")); + return -1; + } + source->adapter.data.scsi_host.has_parent = true; + if (virPCIDeviceAddressParseXML(addrnode, addr) < 0) + return -1; + if ((virXPathInt("string(./parentaddr/@unique_id)", + ctxt, + &source->adapter.data.scsi_host.unique_id) < 0) || + (source->adapter.data.scsi_host.unique_id < 0)) { + virReportError(VIR_ERR_XML_ERROR, "%s", + _("Missing or invalid scsi adapter " + "'unique_id' value")); + return -1; + } + } + + return 0; +} + + +static int +virStorageAdapterLegacyParseXML(xmlNodePtr node, + xmlXPathContextPtr ctxt, + virStoragePoolSourcePtr source) +{ + char *wwnn = virXMLPropString(node, "wwnn"); + char *wwpn = virXMLPropString(node, "wwpn"); + char *parent = virXMLPropString(node, "parent"); + + /* "type" was not specified in the XML, so we must verify that + * "wwnn", "wwpn", "parent", or "parentaddr" are also not in the + * XML. If any are found, then we cannot just use "name" alone". + */ + if (wwnn || wwpn || parent) { + VIR_FREE(wwnn); + VIR_FREE(wwpn); + VIR_FREE(parent); + virReportError(VIR_ERR_XML_ERROR, "%s", + _("Use of 'wwnn', 'wwpn', and 'parent' attributes " + "requires use of the adapter 'type'")); + return -1; + } + + if (virXPathNode("./parentaddr", ctxt)) { + virReportError(VIR_ERR_XML_ERROR, "%s", + _("Use of 'parent' element requires use " + "of the adapter 'type'")); + return -1; + } + + /* To keep back-compat, 'type' is not required to specify + * for scsi_host adapter. + */ + if ((source->adapter.data.scsi_host.name = + virXMLPropString(node, "name"))) + source->adapter.type = + VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_SCSI_HOST; + + return 0; +} + + int virStorageAdapterParseXML(virStoragePoolSourcePtr source, xmlNodePtr node, @@ -121,68 +197,13 @@ virStorageAdapterParseXML(virStoragePoolSourcePtr source, goto cleanup; } else if (source->adapter.type == VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_SCSI_HOST) { + if (virStorageAdapterSCSIHostParseXML(node, ctxt, source) < 0) + goto cleanup; - source->adapter.data.scsi_host.name = - virXMLPropString(node, "name"); - if (virXPathNode("./parentaddr", ctxt)) { - xmlNodePtr addrnode = virXPathNode("./parentaddr/address", - ctxt); - virPCIDeviceAddressPtr addr = - &source->adapter.data.scsi_host.parentaddr; - - if (!addrnode) { - virReportError(VIR_ERR_XML_ERROR, "%s", - _("Missing scsi_host PCI address element")); - goto cleanup; - } - source->adapter.data.scsi_host.has_parent = true; - if (virPCIDeviceAddressParseXML(addrnode, addr) < 0) - goto cleanup; - if ((virXPathInt("string(./parentaddr/@unique_id)", - ctxt, - &source->adapter.data.scsi_host.unique_id) < 0) || - (source->adapter.data.scsi_host.unique_id < 0)) { - virReportError(VIR_ERR_XML_ERROR, "%s", - _("Missing or invalid scsi adapter " - "'unique_id' value")); - goto cleanup; - } - } } } else { - char *wwnn = virXMLPropString(node, "wwnn"); - char *wwpn = virXMLPropString(node, "wwpn"); - char *parent = virXMLPropString(node, "parent"); - - /* "type" was not specified in the XML, so we must verify that - * "wwnn", "wwpn", "parent", or "parentaddr" are also not in the - * XML. If any are found, then we cannot just use "name" alone". - */ - - if (wwnn || wwpn || parent) { - VIR_FREE(wwnn); - VIR_FREE(wwpn); - VIR_FREE(parent); - virReportError(VIR_ERR_XML_ERROR, "%s", - _("Use of 'wwnn', 'wwpn', and 'parent' attributes " - "requires use of the adapter 'type'")); + if (virStorageAdapterLegacyParseXML(node, ctxt, source) < 0) goto cleanup; - } - - if (virXPathNode("./parentaddr", ctxt)) { - virReportError(VIR_ERR_XML_ERROR, "%s", - _("Use of 'parent' element requires use " - "of the adapter 'type'")); - goto cleanup; - } - - /* To keep back-compat, 'type' is not required to specify - * for scsi_host adapter. - */ - if ((source->adapter.data.scsi_host.name = - virXMLPropString(node, "name"))) - source->adapter.type = - VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_SCSI_HOST; } ret = 0; @@ -235,6 +256,29 @@ virStorageAdapterFCHostParseValidate(virStoragePoolDefPtr ret) } +static int +virStorageAdapterSCSIHostParseValidate(virStoragePoolDefPtr ret) +{ + if (!ret->source.adapter.data.scsi_host.name && + !ret->source.adapter.data.scsi_host.has_parent) { + virReportError(VIR_ERR_XML_ERROR, "%s", + _("Either 'name' or 'parent' must be specified " + "for the 'scsi_host' adapter")); + return -1; + } + + if (ret->source.adapter.data.scsi_host.name && + ret->source.adapter.data.scsi_host.has_parent) { + virReportError(VIR_ERR_XML_ERROR, "%s", + _("Both 'name' and 'parent' cannot be specified " + "for the 'scsi_host' adapter")); + return -1; + } + + return 0; +} + + int virStorageAdapterParseValidate(virStoragePoolDefPtr ret) { @@ -245,26 +289,12 @@ virStorageAdapterParseValidate(virStoragePoolDefPtr ret) } if (ret->source.adapter.type == - VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_FC_HOST) { + VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_FC_HOST) return virStorageAdapterFCHostParseValidate(ret); - } else if (ret->source.adapter.type == - VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_SCSI_HOST) { - if (!ret->source.adapter.data.scsi_host.name && - !ret->source.adapter.data.scsi_host.has_parent) { - virReportError(VIR_ERR_XML_ERROR, "%s", - _("Either 'name' or 'parent' must be specified " - "for the 'scsi_host' adapter")); - return -1; - } - if (ret->source.adapter.data.scsi_host.name && - ret->source.adapter.data.scsi_host.has_parent) { - virReportError(VIR_ERR_XML_ERROR, "%s", - _("Both 'name' and 'parent' cannot be specified " - "for the 'scsi_host' adapter")); - return -1; - } - } + if (ret->source.adapter.type == + VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_SCSI_HOST) + return virStorageAdapterSCSIHostParseValidate(ret); return 0; } @@ -292,6 +322,30 @@ virStorageAdapterFCHostFormat(virBufferPtr buf, } +static void +virStorageAdapterSCSIHostFormat(virBufferPtr buf, + virStoragePoolSourcePtr src) +{ + if (src->adapter.data.scsi_host.name) { + virBufferAsprintf(buf, " name='%s'/>\n", + src->adapter.data.scsi_host.name); + } else { + virPCIDeviceAddress addr; + virBufferAddLit(buf, ">\n"); + virBufferAdjustIndent(buf, 2); + virBufferAsprintf(buf, "<parentaddr unique_id='%d'>\n", + src->adapter.data.scsi_host.unique_id); + virBufferAdjustIndent(buf, 2); + addr = src->adapter.data.scsi_host.parentaddr; + ignore_value(virPCIDeviceAddressFormat(buf, addr, false)); + virBufferAdjustIndent(buf, -2); + virBufferAddLit(buf, "</parentaddr>\n"); + virBufferAdjustIndent(buf, -2); + virBufferAddLit(buf, "</adapter>\n"); + } +} + + void virStorageAdapterFormat(virBufferPtr buf, virStoragePoolSourcePtr src) @@ -299,26 +353,9 @@ virStorageAdapterFormat(virBufferPtr buf, virBufferAsprintf(buf, "<adapter type='%s'", virStoragePoolSourceAdapterTypeToString(src->adapter.type)); - if (src->adapter.type == VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_FC_HOST) { + if (src->adapter.type == VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_FC_HOST) virStorageAdapterFCHostFormat(buf, src); - } else if (src->adapter.type == - VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_SCSI_HOST) { - if (src->adapter.data.scsi_host.name) { - virBufferAsprintf(buf, " name='%s'/>\n", - src->adapter.data.scsi_host.name); - } else { - virPCIDeviceAddress addr; - virBufferAddLit(buf, ">\n"); - virBufferAdjustIndent(buf, 2); - virBufferAsprintf(buf, "<parentaddr unique_id='%d'>\n", - src->adapter.data.scsi_host.unique_id); - virBufferAdjustIndent(buf, 2); - addr = src->adapter.data.scsi_host.parentaddr; - ignore_value(virPCIDeviceAddressFormat(buf, addr, false)); - virBufferAdjustIndent(buf, -2); - virBufferAddLit(buf, "</parentaddr>\n"); - virBufferAdjustIndent(buf, -2); - virBufferAddLit(buf, "</adapter>\n"); - } - } + + if (src->adapter.type == VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_SCSI_HOST) + virStorageAdapterSCSIHostFormat(buf, src); } -- 2.9.3 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list