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Thu, 16 Mar 2017 15:29:01 +0000 (UTC) X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" To allow updating stats based on the node name, add a helper function that will fetch the required data from 'query-named-block-nodes' and return it in hash table for easy lookup. --- src/qemu/qemu_block.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++ src/qemu/qemu_block.h | 3 +++ 2 files changed, 49 insertions(+) diff --git a/src/qemu/qemu_block.c b/src/qemu/qemu_block.c index e31907842..586d56809 100644 --- a/src/qemu/qemu_block.c +++ b/src/qemu/qemu_block.c @@ -380,3 +380,49 @@ qemuBlockNodeNamesDetect(virQEMUDriverPtr driver, return ret; } + + +static int +qemuBlockFillNodeData(size_t pos ATTRIBUTE_UNUSED, + virJSONValuePtr item, + void *opaque) +{ + virHashTablePtr table =3D opaque; + const char *name; + + if (!(name =3D virJSONValueObjectGetString(item, "node-name"))) + return 1; + + if (virHashAddEntry(table, name, item) < 0) + return -1; + + return 0; +} + + +/** + * qemuBlockGetNodeData: + * @data: JSON object returned from query-named-block-nodes + * + * Returns a hash table organized by the node name of the JSON value objec= ts of + * data for given qemu block nodes. + * + * Returns a filled virHashTablePtr on success NULL on error. + */ +virHashTablePtr +qemuBlockGetNodeData(virJSONValuePtr data) +{ + virHashTablePtr ret =3D NULL; + + if (!(ret =3D virHashCreate(50, virJSONValueHashFree))) + return NULL; + + if (virJSONValueArrayForeachSteal(data, qemuBlockFillNodeData, ret) < = 0) + goto error; + + return ret; + + error: + virHashFree(ret); + return NULL; +} diff --git a/src/qemu/qemu_block.h b/src/qemu/qemu_block.h index 56f4a74dd..9d6a24643 100644 --- a/src/qemu/qemu_block.h +++ b/src/qemu/qemu_block.h @@ -48,4 +48,7 @@ int qemuBlockNodeNamesDetect(virQEMUDriverPtr driver, virDomainObjPtr vm); +virHashTablePtr +qemuBlockGetNodeData(virJSONValuePtr data); + #endif /* __QEMU_BLOCK_H__ */ --=20 2.12.0 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list