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qemu: block: Refactor and rename qemuGetDriveSourceProps

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Rename it to qemuBlockStorageSourceGetBackendProps and refactor it to
return the JSON object instead of filling a pointer since now it's
always expected to return data.
This commit is contained in:
Peter Krempa 2017-07-07 17:37:42 +02:00
parent 7677f8a7d9
commit bb8ebe69dd
3 changed files with 38 additions and 19 deletions
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49
src/qemu/qemu_block.c
View File

@ -519,14 +519,19 @@ qemuBuildGlusterDriveJSON(virStorageSourcePtr src)
}
int
qemuGetDriveSourceProps(virStorageSourcePtr src,
virJSONValuePtr *props)
/**
* qemuBlockStorageSourceGetBackendProps:
* @src: disk source
*
* Creates a JSON object describing the underlying storage or protocol of a
* storage source. Returns NULL on error and reports an appropriate error message.
*/
virJSONValuePtr
qemuBlockStorageSourceGetBackendProps(virStorageSourcePtr src)
{
int actualType = virStorageSourceGetActualType(src);
virJSONValuePtr fileprops = NULL;
*props = NULL;
virJSONValuePtr ret = NULL;
switch ((virStorageType) actualType) {
case VIR_STORAGE_TYPE_BLOCK:
@ -538,19 +543,35 @@ qemuGetDriveSourceProps(virStorageSourcePtr src,
break;
case VIR_STORAGE_TYPE_NETWORK:
if (src->protocol == VIR_STORAGE_NET_PROTOCOL_GLUSTER &&
src->nhosts > 1) {
switch ((virStorageNetProtocol) src->protocol) {
case VIR_STORAGE_NET_PROTOCOL_GLUSTER:
if (!(fileprops = qemuBuildGlusterDriveJSON(src)))
return -1;
goto cleanup;
break;
case VIR_STORAGE_NET_PROTOCOL_NBD:
case VIR_STORAGE_NET_PROTOCOL_RBD:
case VIR_STORAGE_NET_PROTOCOL_SHEEPDOG:
case VIR_STORAGE_NET_PROTOCOL_ISCSI:
case VIR_STORAGE_NET_PROTOCOL_HTTP:
case VIR_STORAGE_NET_PROTOCOL_HTTPS:
case VIR_STORAGE_NET_PROTOCOL_FTP:
case VIR_STORAGE_NET_PROTOCOL_FTPS:
case VIR_STORAGE_NET_PROTOCOL_TFTP:
case VIR_STORAGE_NET_PROTOCOL_SSH:
case VIR_STORAGE_NET_PROTOCOL_NONE:
case VIR_STORAGE_NET_PROTOCOL_LAST:
break;
}
break;
}
if (fileprops &&
virJSONValueObjectCreate(props, "a:file", fileprops, NULL) < 0) {
virJSONValueFree(fileprops);
return -1;
}
if (virJSONValueObjectCreate(&ret, "a:file", fileprops, NULL) < 0)
goto cleanup;
return 0;
fileprops = NULL;
cleanup:
virJSONValueFree(fileprops);
return ret;
}

6
src/qemu/qemu_block.h
View File

@ -53,9 +53,7 @@ qemuBlockNodeNamesDetect(virQEMUDriverPtr driver,
virHashTablePtr
qemuBlockGetNodeData(virJSONValuePtr data);
int
qemuGetDriveSourceProps(virStorageSourcePtr src,
virJSONValuePtr *props);
virJSONValuePtr
qemuBlockStorageSourceGetBackendProps(virStorageSourcePtr src);
#endif /* __QEMU_BLOCK_H__ */

2
src/qemu/qemu_command.c
View File

@ -1348,7 +1348,7 @@ qemuBuildDriveSourceStr(virDomainDiskDefPtr disk,
int ret = -1;
if (qemuDiskSourceNeedsProps(disk->src) &&
qemuGetDriveSourceProps(disk->src, &srcprops) < 0)
!(srcprops = qemuBlockStorageSourceGetBackendProps(disk->src)))
goto cleanup;
if (!srcprops &&