55 lines
2.3 KiB
C
55 lines
2.3 KiB
C
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#ifndef HGL_NETWORK_SOCKET_OUTPUT_STREAM_INCLUDE
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#define HGL_NETWORK_SOCKET_OUTPUT_STREAM_INCLUDE
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#include<hgl/io/OutputStream.h>
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namespace hgl
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{
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namespace network
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{
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/**
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* Socket输出流，用于TCP／SCTP协议在无包封装处理的情况下
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*/
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class SocketOutputStream:public io::OutputStream
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{
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protected:
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int sock;
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int64 total; //累计字节数
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public:
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SocketOutputStream(int s=-1)
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{
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SetSocket(s);
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}
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~SocketOutputStream()=default;
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void SetSocket(int s)
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{
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sock=s;
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total=0;
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}
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void Close(){} ///<关闭输出流
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int64 GetTotal()const{return total;} ///<取得累计字节数
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int64 Write(const void *,int64); ///<向socket中写入指定的字节数
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int64 WriteFully(const void *,int64); ///<充分写入指定字节的数据
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bool CanRestart()const{return false;} ///<是否可以复位
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bool CanSeek()const{return false;} ///<是否可以定位
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bool CanSize()const{return false;} ///<是否可以取得尺寸
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bool Restart(){return false;} ///<复位访问指针
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int64 Seek(int64,io::SeekOrigin=io::soBegin){return -1;} ///<移动访问指针
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int64 Tell()const{return -1;} ///<返回当前访问位置
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int64 GetSize()const{return -1;} ///<取得流长度
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int64 Available()const; ///<剩下的可以不受阻塞写入的字节数
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};//class SocketOutputStream
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}//namespace network
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}//namespace hgl
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#endif//HGL_NETWORK_SOCKET_OUTPUT_STREAM_INCLUDE
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