80 lines
1.9 KiB
Go
80 lines
1.9 KiB
Go
package client
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import (
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"fmt"
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"github.com/nspcc-dev/neofs-api-go/v2/signature"
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apistatus "github.com/nspcc-dev/neofs-sdk-go/client/status"
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)
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// common interface of resulting structures with API status.
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type resCommon interface {
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setStatus(apistatus.Status)
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}
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// structure is embedded to all resulting types in order to inherit status-related methods.
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type statusRes struct {
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st apistatus.Status
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}
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// setStatus implements resCommon interface method.
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func (x *statusRes) setStatus(st apistatus.Status) {
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x.st = st
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}
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// Status returns server's status return.
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//
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// Use apistatus package functionality to handle the status.
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func (x statusRes) Status() apistatus.Status {
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return x.st
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}
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// checks response signature and write client error if it is not correct (in this case returns true).
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func isInvalidSignatureV2(res *processResponseV2Res, resp responseV2) bool {
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err := signature.VerifyServiceMessage(resp)
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isErr := err != nil
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if isErr {
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res.cliErr = fmt.Errorf("invalid response signature: %w", err)
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}
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return isErr
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}
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type processResponseV2Prm struct {
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callOpts *callOptions
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resp responseV2
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}
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type processResponseV2Res struct {
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statusRes resCommon
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cliErr error
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}
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// performs common actions of response processing and writes any problem as a result status or client error
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// (in both cases returns true).
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//
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// Actions:
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// * verify signature (internal);
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// * call response callback (internal).
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func (c *Client) processResponseV2(res *processResponseV2Res, prm processResponseV2Prm) bool {
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// verify response structure
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if isInvalidSignatureV2(res, prm.resp) {
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return true
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}
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// handle response meta info
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if err := c.handleResponseInfoV2(prm.callOpts, prm.resp); err != nil {
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res.cliErr = err
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return true
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}
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// set result status
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st := apistatus.FromStatusV2(prm.resp.GetMetaHeader().GetStatus())
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res.statusRes.setStatus(st)
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return !apistatus.IsSuccessful(st)
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}
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