提交coredump转储功能代码

coredump.go

@@ -0,0 +1,64 @@
+package main
+
+import (
+	"coredump-handler/config"
+	"coredump-handler/logger"
+	"net"
+	"os/exec"
+	"syscall"
+)
+
+func coredumpInit(coreconfig config.Coreconfig) error {
+	cmd := exec.Command("sysctl", "-w", "kernel.core_pattern='"+coreconfig.Core_pattern+"'")
+	err := cmd.Run()
+	if err != nil {
+		return err
+	}
+	cmd = exec.Command("sysctl", "-w", "kernel.core_pipe_limit="+coreconfig.Core__pipe_limit)
+	err = cmd.Run()
+	if err != nil {
+		return err
+	}
+	cmd = exec.Command("sysctl", "-w", "kernel.suid_dumpable=2")
+	err = cmd.Run()
+	if err != nil {
+		return err
+	}
+	cmd = exec.Command("ulimit", "-c", coreconfig.Core_limited)
+	err = cmd.Run()
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func coredumpHandler(coreconfig config.Coreconfig) error {
+	syscall.Unlink(coreconfig.Socket_path)
+	laddr, err := net.ResolveUnixAddr("unix", coreconfig.Socket_path)
+	if err != nil {
+		return err
+	}
+	listener, err := net.ListenUnix("unix", laddr)
+	if err != nil {
+		return err
+	}
+	defer listener.Close()
+	for {
+		c, err := listener.Accept()
+		if err != nil {
+			logger.Logger.Println(err)
+		}
+		go HandleServerConn(c)
+	}
+	return nil
+}
+func HandleServerConn(c net.Conn) {
+	defer c.Close()
+	buf := make([]byte, 1024)
+	nr, err := c.Read(buf)
+	if err != nil {
+		logger.Logger.Println(err)
+		return
+	}
+	logger.Logger.Println(buf[0:nr])
+}