feat: add the main program for perftest

Author: zhufuyi

cmd/perftest/Dockerfile

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+FROM alpine:latest
+LABEL maintainer="zhufuyi <g.zhufuyi@gmail.com>"
+
+# set the time zone to Shanghai
+#RUN apk add tzdata  \
+#    && cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
+#    && echo "Asia/Shanghai" > /etc/timezone \
+#    && apk del tzdata
+
+COPY perftest /app/perftest
+RUN chmod +x /app/perftest
+
+# 8888 for collector, 6601 for agent
+EXPOSE 8888 6601
+
+WORKDIR /app
+
+ENTRYPOINT ["./perftest"]

cmd/perftest/README.md

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+## Performance Testing Tool `perftest`
+
+### Documentation
+
+For the usage guide of `perftest`, please refer to [**perftest documentation**](https://go-sponge.com/component/monitor/perftest.html)
+
+<br>
+
+### Build Docker Image
+
+```shell
+# Build perftest image
+bash build-perftest-image.sh v1.0.0
+
+# push perftest image to Docker Hub
+#docker push zhufuyi/perftest:v1.0.0
+#docker push zhufuyi/perftest:latest
+```

cmd/perftest/build-perftest-image.sh

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+#!/bin/bash
+
+TAG=$1
+if [ -z "$TAG" ];then
+    echo "image tag cannot be empty, example: ./build-perftest-image.sh v1.0.0"
+    exit 1
+fi
+
+function rmFile() {
+    sFile=$1
+    if [ -e "${sFile}" ]; then
+        rm -rf "${sFile}"
+    fi
+}
+
+function checkResult() {
+    result=$1
+    if [ ${result} -ne 0 ]; then
+        exit ${result}
+    fi
+}
+
+CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags "all=-s -w"
+checkResult $?
+
+# compressing binary file
+if command -v upx >/dev/null 2>&1; then
+    upx -9 perftest
+else
+    echo "upx not found, skipping compression"
+fi
+
+echo "docker build -t zhufuyi/perftest:${TAG}  ."
+docker build -t zhufuyi/perftest:${TAG}  .
+echo "docker tag zhufuyi/perftest:${TAG} zhufuyi/perftest:latest"
+docker tag zhufuyi/perftest:${TAG} zhufuyi/perftest:latest
+checkResult $?
+
+rmFile perftest
+
+# delete none image
+noneImages=$(docker images --filter "dangling=true" -q)
+if [ -n "$noneImages" ]; then
+    docker rmi $noneImages > /dev/null
+fi
+
+# push image to docker hub
+#docker push zhufuyi/perftest:${TAG}
+#docker push zhufuyi/perftest:latest

cmd/perftest/main.go

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+package main
+
+import (
+	"os"
+
+	"github.com/spf13/cobra"
+
+	"github.com/go-dev-frame/sponge/cmd/sponge/commands/perftest/common"
+	"github.com/go-dev-frame/sponge/cmd/sponge/commands/perftest/http"
+	"github.com/go-dev-frame/sponge/cmd/sponge/commands/perftest/websocket"
+)
+
+func main() {
+	cmd := perftestCommand()
+	if err := cmd.Execute(); err != nil {
+		cmd.PrintErrln("Error:", err)
+		os.Exit(1)
+	}
+}
+
+func perftestCommand() *cobra.Command {
+	common.SetCommandPrefix("perftest")
+	cmd := &cobra.Command{
+		Use:   "perftest",
+		Short: "Performance testing for HTTP/1.1, HTTP/2, HTTP/3, and websocket",
+		Long: `Perftest is a high-performance testing tool that supports HTTP/1.1, HTTP/2, HTTP/3, and WebSocket protocols.  
+It provides real-time metrics reporting to custom HTTP endpoints or Prometheus, and supports two modes:  
+standalone testing and distributed cluster testing.`,
+		SilenceErrors: true,
+		SilenceUsage:  true,
+	}
+
+	cmd.AddCommand(
+		http.PerfTestHTTPCMD(),
+		http.PerfTestHTTP2CMD(),
+		http.PerfTestHTTP3CMD(),
+		websocket.PerfTestWebsocketCMD(),
+
+		http.PerfTestCollectorCMD(),
+		http.PerfTestAgentCMD(),
+	)
+
+	return cmd
+}