frostfs-sdk-go/client/container_eacl.go
Evgenii Stratonikov 772fa90983 [#48] client/container: Form requests in a separate function
Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
2023-04-14 09:06:52 +03:00

110 lines
2.8 KiB
Go

package client
import (
"context"
v2container "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/container"
"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/refs"
rpcapi "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/rpc"
"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/rpc/client"
cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/eacl"
)
// PrmContainerEACL groups parameters of ContainerEACL operation.
type PrmContainerEACL struct {
prmCommonMeta
idSet bool
id cid.ID
}
// SetContainer sets identifier of the FrostFS container to read the eACL table.
// Required parameter.
func (x *PrmContainerEACL) SetContainer(id cid.ID) {
x.id = id
x.idSet = true
}
func (x *PrmContainerEACL) formRequest(c *Client) (*v2container.GetExtendedACLRequest, error) {
if !x.idSet {
return nil, errorMissingContainer
}
var cidV2 refs.ContainerID
x.id.WriteToV2(&cidV2)
reqBody := new(v2container.GetExtendedACLRequestBody)
reqBody.SetContainerID(&cidV2)
var req v2container.GetExtendedACLRequest
req.SetBody(reqBody)
return &req, nil
}
// ResContainerEACL groups resulting values of ContainerEACL operation.
type ResContainerEACL struct {
statusRes
table eacl.Table
}
// Table returns eACL table of the requested container.
func (x ResContainerEACL) Table() eacl.Table {
return x.table
}
// ContainerEACL reads eACL table of the FrostFS container.
//
// Exactly one return value is non-nil. By default, server status is returned in res structure.
// Any client's internal or transport errors are returned as `error`.
// If PrmInit.ResolveFrostFSFailures has been called, unsuccessful
// FrostFS status codes are returned as `error`, otherwise, are included
// in the returned result structure.
//
// Returns an error if parameters are set incorrectly (see PrmContainerEACL docs).
// Context is required and must not be nil. It is used for network communication.
//
// Return statuses:
// - global (see Client docs);
// - *apistatus.ContainerNotFound;
// - *apistatus.EACLNotFound.
func (c *Client) ContainerEACL(ctx context.Context, prm PrmContainerEACL) (*ResContainerEACL, error) {
req, err := prm.formRequest(c)
if err != nil {
return nil, err
}
// init call context
var (
cc contextCall
res ResContainerEACL
)
c.initCallContext(&cc)
cc.meta = prm.prmCommonMeta
cc.req = req
cc.statusRes = &res
cc.call = func() (responseV2, error) {
return rpcapi.GetEACL(&c.c, req, client.WithContext(ctx))
}
cc.result = func(r responseV2) {
resp := r.(*v2container.GetExtendedACLResponse)
eACL := resp.GetBody().GetEACL()
if eACL == nil {
cc.err = newErrMissingResponseField("eACL")
return
}
res.table = *eacl.NewTableFromV2(eACL)
}
// process call
if !cc.processCall() {
return nil, cc.err
}
return &res, nil
}