Add Go 1.18 support (valyala#1253)

* Add Go 1.18 support

* fix Gosec Security Scanner

https://github.com/valyala/fasthttp/runs/5595618634?check_suite_focus=true

* fix securego/gosec#469 (comment) Gosec Github Action Doesn't Work at Go 1.18

* fix golangci/golangci-lint#2438 golangci/golangci-lint Doesn't Work at Go 1.18

* fix golint unused

* fix golint: SA1019: netErr.Temporary is deprecated

* fix valyala#1256

.github/workflows/lint.yml

@@ -11,9 +11,12 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions/setup-go@v2
       with:
-        go-version: 1.17.x
+        go-version: 1.18.x
     - run: go version
     - run: diff -u <(echo -n) <(gofmt -d .)
-    - uses: golangci/golangci-lint-action@v2
-      with:
-        version: v1.28.3
+    - name: Run golangci-lint
+      run: | # https://github.com/golangci/golangci-lint/pull/2438
+        export PATH=$PATH:$(go env GOPATH)/bin
+        go install github.com/golangci/golangci-lint/cmd/golangci-lint@v1.44.2
+        golangci-lint run
+

.github/workflows/security.yml

@@ -8,15 +8,20 @@ jobs:
   test:
     strategy:
       matrix:
-        go-version: [1.17.x]
+        go-version: [1.18.x]
         platform: [ubuntu-latest]
     runs-on: ${{ matrix.platform }}
+    env:
+      GO111MODULE: on
     steps:
       - name: Install Go
         uses: actions/setup-go@v1
         with:
           go-version: ${{ matrix.go-version }}
       - name: Checkout code
         uses: actions/checkout@v2
-      - name: Security
-        run: go get github.com/securego/gosec/cmd/gosec; `go env GOPATH`/bin/gosec -exclude=G104,G304 ./...
+      - name: Run Gosec Security Scanner
+        run: | # https://github.com/securego/gosec/issues/469#issuecomment-1070608395
+          export PATH=$PATH:$(go env GOPATH)/bin
+          go install github.com/securego/gosec/v2/cmd/gosec@latest
+          gosec -exclude=G104,G304,G402 ./...

.github/workflows/test.yml

@@ -8,7 +8,7 @@ jobs:
   test:
     strategy:
       matrix:
-        go-version: [1.15.x, 1.16.x, 1.17.x]
+        go-version: [1.15.x, 1.16.x, 1.17.x, 1.18.x]
         os: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps:

client.go

@@ -2631,8 +2631,8 @@ func (c *pipelineConnClient) init() {
 			for {
 				if err := c.worker(); err != nil {
 					c.logger().Printf("error in PipelineClient(%q): %s", c.Addr, err)
-					if netErr, ok := err.(net.Error); ok && netErr.Temporary() {
-						// Throttle client reconnections on temporary errors
+					if netErr, ok := err.(net.Error); ok && netErr.Timeout() {
+						// Throttle client reconnections on timeout errors
 						time.Sleep(time.Second)
 					}
 				} else {

nocopy.go

@@ -7,5 +7,5 @@ package fasthttp
 // and also: https://stackoverflow.com/questions/52494458/nocopy-minimal-example
 type noCopy struct{} //nolint:unused
 
-func (*noCopy) Lock()   {}
-func (*noCopy) Unlock() {}
+func (*noCopy) Lock()   {} //nolint:unused
+func (*noCopy) Unlock() {} //nolint:unused

server.go

@@ -482,7 +482,7 @@ func TimeoutWithCodeHandler(h RequestHandler, timeout time.Duration, msg string,
 	}
 }
 
-//RequestConfig configure the per request deadline and body limits
+// RequestConfig configure the per request deadline and body limits
 type RequestConfig struct {
 	// ReadTimeout is the maximum duration for reading the entire
 	// request body.
@@ -1915,8 +1915,8 @@ func acceptConn(s *Server, ln net.Listener, lastPerIPErrorTime *time.Time) (net.
 			if c != nil {
 				panic("BUG: net.Listener returned non-nil conn and non-nil error")
 			}
-			if netErr, ok := err.(net.Error); ok && netErr.Temporary() {
-				s.logger().Printf("Temporary error when accepting new connections: %s", netErr)
+			if netErr, ok := err.(net.Error); ok && netErr.Timeout() {
+				s.logger().Printf("Timeout error when accepting new connections: %s", netErr)
 				time.Sleep(time.Second)
 				continue
 			}
@@ -2230,7 +2230,7 @@ func (s *Server) serveConn(c net.Conn) (err error) {
 						writeTimeout = reqConf.WriteTimeout
 					}
 				}
-				//read body
+				// read body
 				if s.StreamRequestBody {
 					err = ctx.Request.readBodyStream(br, maxRequestBodySize, s.GetOnly, !s.DisablePreParseMultipartForm)
 				} else {