实现基本的访问日志策略

internal/accesslogs/storage_tcp.go

@@ -0,0 +1,111 @@
+package accesslogs
+
+import (
+	"errors"
+	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
+	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
+	"github.com/iwind/TeaGo/logs"
+	"net"
+	"sync"
+)
+
+// TCPStorage TCP存储策略
+type TCPStorage struct {
+	BaseStorage
+
+	config *serverconfigs.AccessLogTCPStorageConfig
+
+	writeLocker sync.Mutex
+
+	connLocker sync.Mutex
+	conn       net.Conn
+}
+
+func NewTCPStorage(config *serverconfigs.AccessLogTCPStorageConfig) *TCPStorage {
+	return &TCPStorage{config: config}
+}
+
+func (this *TCPStorage) Config() interface{} {
+	return this.config
+}
+
+// Start 开启
+func (this *TCPStorage) Start() error {
+	if len(this.config.Network) == 0 {
+		return errors.New("'network' should not be empty")
+	}
+	if len(this.config.Addr) == 0 {
+		return errors.New("'addr' should not be empty")
+	}
+	return nil
+}
+
+// 写入日志
+func (this *TCPStorage) Write(accessLogs []*pb.HTTPAccessLog) error {
+	if len(accessLogs) == 0 {
+		return nil
+	}
+
+	err := this.connect()
+	if err != nil {
+		return err
+	}
+
+	conn := this.conn
+	if conn == nil {
+		return errors.New("connection should not be nil")
+	}
+
+	this.writeLocker.Lock()
+	defer this.writeLocker.Unlock()
+
+	for _, accessLog := range accessLogs {
+		data, err := this.Marshal(accessLog)
+		if err != nil {
+			logs.Error(err)
+			continue
+		}
+		_, err = conn.Write(data)
+		if err != nil {
+			_ = this.Close()
+			break
+		}
+		_, err = conn.Write([]byte("\n"))
+		if err != nil {
+			_ = this.Close()
+			break
+		}
+	}
+
+	return nil
+}
+
+// Close 关闭
+func (this *TCPStorage) Close() error {
+	this.connLocker.Lock()
+	defer this.connLocker.Unlock()
+
+	if this.conn != nil {
+		err := this.conn.Close()
+		this.conn = nil
+		return err
+	}
+	return nil
+}
+
+func (this *TCPStorage) connect() error {
+	this.connLocker.Lock()
+	defer this.connLocker.Unlock()
+
+	if this.conn != nil {
+		return nil
+	}
+
+	conn, err := net.Dial(this.config.Network, this.config.Addr)
+	if err != nil {
+		return err
+	}
+	this.conn = conn
+
+	return nil
+}