message: revert some commits.
diff: @@ -102,7 +102,7 @@ typedef struct _swClient
  void (*onBufferFull)(struct _swClient *cli);
  void (*onBufferEmpty)(struct _swClient *cli);
  - int (*connect)(struct _swClient *cli, char *hosts, int port, double _timeout, int sock_flag);
  + int (*connect)(struct _swClient *cli, char *host, int port, double _timeout, int sock_flag);
  int (*send)(struct _swClient *cli, char *data, int length, int flags);
  int (*sendfile)(struct _swClient *cli, char *filename, off_t offset);
  int (*recv)(struct _swClient *cli, char *data, int len, int flags);
  