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add safe vpp connection + update vpphelper version
Signed-off-by: NikitaSkrynnik <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| // Copyright (c) 2024 Cisco and/or its affiliates. | ||
| // | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at: | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package vppinit | ||
|
|
||
| import ( | ||
| "context" | ||
| "time" | ||
|
|
||
| "github.com/networkservicemesh/sdk/pkg/tools/extend" | ||
| "github.com/networkservicemesh/sdk/pkg/tools/log" | ||
| "go.fd.io/govpp/api" | ||
| ) | ||
|
|
||
| type safeVPPConnection struct { | ||
| api.Connection | ||
| contextTimeout time.Duration | ||
| } | ||
|
|
||
| func NewSafeVPPConnection(vppConn api.Connection, contextTimeout time.Duration) api.Connection { | ||
| return &safeVPPConnection{ | ||
| Connection: vppConn, | ||
| contextTimeout: contextTimeout, | ||
| } | ||
| } | ||
|
|
||
| func (c *safeVPPConnection) Invoke(ctx context.Context, req api.Message, reply api.Message) error { | ||
| ctx, cancel := c.ToSafeContext(ctx) | ||
| err := c.Connection.Invoke(ctx, req, reply) | ||
| cancel() | ||
| return err | ||
| } | ||
|
|
||
| func (c *safeVPPConnection) ToSafeContext(ctx context.Context) (context.Context, func()) { | ||
| deadline, ok := ctx.Deadline() | ||
| if !ok { | ||
| return ctx, func() {} | ||
| } | ||
|
|
||
| minDeadline := time.Now().Add(c.contextTimeout) | ||
| if minDeadline.After(deadline) { | ||
| deadline = minDeadline | ||
| log.FromContext(ctx).Infof("Context deadline has been increased due to important request(s)") | ||
| } | ||
| postponedCtx, cancel := context.WithDeadline(context.Background(), deadline) | ||
| return extend.WithValuesFromContext(postponedCtx, ctx), cancel | ||
| } | ||
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