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diff --git a/include/osl/socket_decl.hxx b/include/osl/socket_decl.hxx new file mode 100644 index 000000000..de6442b27 --- /dev/null +++ b/include/osl/socket_decl.hxx @@ -0,0 +1,750 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +/* + * This file is part of LibreOffice published API. + */ + +#ifndef INCLUDED_OSL_SOCKET_DECL_HXX +#define INCLUDED_OSL_SOCKET_DECL_HXX + +#include "sal/config.h" + +#include <cstddef> + +#include "osl/socket.h" +#include "rtl/ustring.hxx" +#include "rtl/byteseq.hxx" + +namespace osl +{ + enum __osl_socket_NoCopy { SAL_NO_COPY }; + + /** The class should be understood as a reference to a socket address handle (struct sockaddr). + + The handle is mutable. + */ + class SocketAddr + { + protected: + oslSocketAddr m_handle; + public: + + /** Creates socket address of unknown type. + */ + inline SocketAddr(); + + /** Copy constructor. + */ + inline SocketAddr(const SocketAddr& Addr); + +#if defined LIBO_INTERNAL_ONLY + inline SocketAddr(SocketAddr && other) noexcept; +#endif + + /** The SocketAddr takes over the responsibility of the handle (which means + that the handle gets destructed by the destructor of this reference) + + @param Addr a handle + @param nocopy use SAL_NO_COPY + */ + inline SocketAddr(const oslSocketAddr Addr, __osl_socket_NoCopy nocopy ); + + /** Copyconstructs the oslSocketAddr handle. + + @param Addr a handle + */ + inline SocketAddr(oslSocketAddr Addr); + + /** TCP/IP-specific constructor. + + @param strAddrOrHostName strAddrOrHostName hostname or dotted ip-number of the network + interface, the socket shall be created on. + @param nPort tcp-ip port number + */ + inline SocketAddr(const ::rtl::OUString& strAddrOrHostName, sal_Int32 nPort); + + /** destroys underlying oslSocketAddress + */ + inline ~SocketAddr(); + + /** Checks if the SocketAddr was created successful. + + @retval true if there is a valid underlying handle + @retval false no valid underlying handle + */ + inline bool is() const; + + /** Converts the address to a (human readable) domain-name. + + @param[out] pResult value of 0 if you are not interested in errors, + otherwise *pResult contains an error code on failure + or osl_Socket_Ok on success + + @return the hostname of this SocketAddr or an empty string on failure. + + @see osl_getHostnameOfSocketAddr + */ + inline ::rtl::OUString SAL_CALL getHostname(oslSocketResult *pResult = NULL) const; + + /** Sets the IP address or hostname of the SocketAddress + + @param[in] sDottedIpOrHostname IP address or hostname + + @retval true success + @retval false failure + */ + inline bool SAL_CALL setHostname(const ::rtl::OUString &sDottedIpOrHostname); + + /** Returns the port number of the address. + + @return the port in host-byte order or OSL_INVALID_PORT on errors. + */ + inline sal_Int32 SAL_CALL getPort() const; + + /** Sets the port number of the address. + + @param[in] nPort port number + + @retval true success + @retval false failure + */ + inline bool SAL_CALL setPort(sal_Int32 nPort); + + /** Sets the address of the underlying socket address struct in network byte order. + + @retval true success + @retval false failure + */ + inline bool SAL_CALL setAddr(const ::rtl::ByteSequence & address); + + /** Returns the address of the underlying socket in network byte order + */ + inline ::rtl::ByteSequence SAL_CALL getAddr(oslSocketResult *pResult = NULL) const; + + /** assign the handle to this reference. The previous handle is released. + */ + inline SocketAddr & SAL_CALL operator= (oslSocketAddr Addr); + + inline SocketAddr & SAL_CALL operator= (const SocketAddr& Addr); + +#if defined LIBO_INTERNAL_ONLY + inline SocketAddr & operator =(SocketAddr && other) noexcept; +#endif + + /** Assigns the socket addr without copyconstructing it. + @param Addr the socket address. + @param nocopy use SAL_NO_COPY + */ + inline SocketAddr & SAL_CALL assign( oslSocketAddr Addr, __osl_socket_NoCopy nocopy ); + + /** Returns true if the underlying handle is identical to the Addr handle. + */ + inline bool SAL_CALL operator== (oslSocketAddr Addr) const; + + /** Returns true if the underlying handle is identical to the Addr handle. + */ + inline bool SAL_CALL operator== (const SocketAddr & Addr) const; + + /** Returns the underlying SocketAddr handle without copyconstructing it. + */ + inline oslSocketAddr SAL_CALL getHandle() const; + + /** Get the hostname for the local interface. + @param pResult after the call *pResult contains osl_Socket_Ok on success or + an error on failure. + @return the hostname + */ + static inline ::rtl::OUString SAL_CALL getLocalHostname( oslSocketResult *pResult = NULL); + + /** Tries to find an address for a host. + @see osl_resolveHostname() + @return A new created socket-address or 0 if the name could not be found. + */ + static inline void SAL_CALL resolveHostname( + const ::rtl::OUString & strHostName , SocketAddr & Addr ); + + /** + Tries to find the port associated with the given service/protocol- + pair (e.g. "ftp"/"tcp"). + @return the port number in host-byte order or <code>OSL_INVALID_PORT</code> + if no service/protocol pair could be found. + */ + static inline sal_Int32 SAL_CALL getServicePort( + const ::rtl::OUString& strServiceName, + const ::rtl::OUString & strProtocolName= ::rtl::OUString("tcp") ); + }; + + + class Socket + { + protected: + oslSocket m_handle; + protected: + /** Creates a socket. Note it's protected. + @param Type + @param Family + @param Protocol + */ + inline Socket(oslSocketType Type, + oslAddrFamily Family = osl_Socket_FamilyInet, + oslProtocol Protocol = osl_Socket_ProtocolIp); + public: + inline Socket( ); + + inline Socket( const Socket & socket ); + + inline Socket( oslSocket socketHandle ); + + /** The instance takes over the handle's ownership without acquiring the + handle, but releases it within the dtor. + @param socketHandle the handle + @param noacquire use SAL_NO_ACQUIRE + */ + inline Socket( oslSocket socketHandle, __sal_NoAcquire noacquire ); + + /** Destructor. Releases the underlying handle + */ + inline ~Socket(); + + /** Assignment operator. If socket was already created, the old one will + be discarded. + */ + inline Socket& SAL_CALL operator= ( oslSocket socketHandle); + + /** Assignment operator. If socket was already created, the old one will + be discarded. + */ + inline Socket& SAL_CALL operator= (const Socket& sock); + + /** + @return <code>true</code>, when the underlying handle of both + Socket instances are identical, <code>false</code> otherwise. + */ + inline bool SAL_CALL operator==( const Socket& rSocket ) const ; + + /** + @return <code>true</code>, when the underlying handle of both + Socket instances are identical, <code>false</code> otherwise. + */ + inline bool SAL_CALL operator==( const oslSocket socketHandle ) const; + + /** Closes a definite or both directions of the bidirectional stream. + + @param Direction + @see osl_shutdownSocket() + */ + inline void SAL_CALL shutdown( oslSocketDirection Direction = osl_Socket_DirReadWrite ); + + /** Closes a socket. + Note that closing a socket is identical to shutdown( osl_Socket_DirReadWrite ), + as the operating system distinguish both cases, both functions or offered in this API. + @see osl_closeSocket() + */ + inline void SAL_CALL close(); + + /** Retrieves the address of the local interface of this socket. + @param Addr [out] receives the address. + @see osl_getLocalAddrOfSocket() + */ + inline void SAL_CALL getLocalAddr( SocketAddr &Addr ) const; + + /** Get the local port of the socket. Usually used after bind(). + @return the port number or OSL_INVALID_PORT on errors. + */ + inline sal_Int32 SAL_CALL getLocalPort() const; + + /** Get the hostname for the local interface. + @return the hostname or an empty string (""). + */ + inline ::rtl::OUString SAL_CALL getLocalHost() const; + + /** Retrieves the address of the remote host of this socket. + @param Addr [out] receives the address. + */ + inline void SAL_CALL getPeerAddr( SocketAddr & Addr) const; + + /** Get the remote port of the socket. + @return the port number or OSL_INVALID_PORT on errors. + */ + inline sal_Int32 SAL_CALL getPeerPort() const; + + /** Get the hostname for the remote interface. + @return the hostname or an empty string (""). + */ + inline ::rtl::OUString SAL_CALL getPeerHost() const; + + /** Binds the socket to the specified (local) interface. + @param LocalInterface Address of the Interface + @return True if bind was successful. + */ + inline bool SAL_CALL bind(const SocketAddr& LocalInterface); + + /** Checks if read operations will block. + + You can specify a timeout-value in seconds/nanoseconds that denotes + how the operation will block if the Socket is not ready. + @return <code>true</code> if read operations (recv, recvFrom, accept) on the Socket + will NOT block; <code>false</code> if it would block or if an error occurred. + + @param pTimeout if 0, the operation will block without a timeout. Otherwise + the specified amount of time. + */ + inline bool SAL_CALL isRecvReady(const TimeValue *pTimeout = NULL) const; + + /** Checks if send operations will block. + + You can specify a timeout-value in seconds/nanoseconds that denotes + how the operation will block if the Socket is not ready. + @return <code>true</code> if send operations (send, sendTo) on the Socket + will NOT block; <code>false</code> if it would block or if an error occurred. + + @param pTimeout if 0, the operation will block without a timeout. Otherwise + the specified amount of time. + */ + inline bool SAL_CALL isSendReady(const TimeValue *pTimeout = NULL) const; + + + /** Checks if a request for out-of-band data will block. + + You can specify a timeout-value in seconds/nanoseconds that denotes + how the operation will block if the Socket has no pending OOB data. + + @return <code>true</code> if OOB-request operations (recv with appropriate flags) + on the Socket will NOT block; <code>false</code> if it would block or if + an error occurred. + + @param pTimeout if 0, the operation will block without a timeout. Otherwise + the specified amount of time. + */ + inline bool SAL_CALL isExceptionPending(const TimeValue *pTimeout = NULL) const; + + + /** Queries the socket for its type. + + @retval osl_Socket_TypeStream + @retval osl_Socket_TypeDgram + @retval osl_Socket_TypeRaw + @retval osl_Socket_TypeRdm + @retval osl_Socket_TypeSeqPacket + @retval osl_invalid_SocketType if an error occurred + */ + inline oslSocketType SAL_CALL getType() const; + + /** Retrieves option-attributes associated with the socket. + @param Option The attribute to query. + Valid values (depending on the Level) are: + <ul> + <li> <code>osl_Socket_Option_Debug</code><br> + (sal_Bool) Socket debug flag 1 = enabled, 0 = disabled. + + <li> <code>osl_Socket_OptionAcceptConn</code><br> + <li> <code>osl_Socket_OptionReuseAddr</code><br> + (sal_Bool) Allows the socket to be bound to an address that is + already in use. + 1 = multiple bound allowed, 0 = no multiple bounds allowed + + <li><code>osl_Socket_OptionKeepAlive</code><br> + (sal_Bool) Keepalive packets are sent by the underlying socket. + 1 = enabled, 0 = disabled + + <li><code>osl_Socket_OptionDontRoute</code><br> + (sal_Bool) Do not route: send directly to interface. + 1 = do not route , 0 = routing possible + + <li><code>osl_Socket_OptionBroadcast</code><br> + (sal_Bool) Transmission of broadcast messages are allowed on the socket. + 1 = transmission allowed, 0 = transmission disallowed + + <li><code>osl_Socket_OptionUseLoopback</code><br> + + <li><code>osl_Socket_OptionLinger</code><br> + (linger) Linger on close if unsent data is present. + linger has two members: l_onoff, l_linger + l_onoff = 0 is off, l_onoff > 0 and l_linger= timeout in seconds. + + <li><code>osl_Socket_OptionOOBinLine</code><br> + + + <li><code>osl_Socket_OptionSndBuf</code><br> + (sal_Int32) Size of the send buffer in bytes. Data is sent after + SndTimeo or when the buffer is full. This allows faster writing + to the socket. + + <li><code>osl_Socket_OptionRcvBuf</code><br> + (sal_Int32) Size of the receive buffer in bytes. Data is sent after + SndTimeo or when the buffer is full. This allows faster writing + to the socket and larger packet sizes. + + <li><code>osl_Socket_OptionSndLowat</code><br> + + <li><code>osl_Socket_OptionRcvLowat</code><br> + + <li><code>osl_Socket_OptionSndTimeo</code><br> + (sal_Int32) Data is sent after this timeout. This allows gathering + of data to send larger packages but increases latency times. + + <li><code>osl_Socket_OptionRcvTimeo</code><br> + + <li><code>osl_Socket_OptionError</code><br> + <li><code>osl_Socket_OptionType</code><br> + + <li><code>osl_Socket_OptionTcpNoDelay</code><br> + Disables the Nagle algorithm for send coalescing. (Do not + collect data until a packet is full, instead send immediately. + This increases network traffic but might improve latency-times.) + 1 = disables the algorithm, 0 = keeps it enabled. + </ul> + + If not above mentioned otherwise, the options are only valid for + level <code>osl_Socket_LevelSocket</code>. + @param pBuffer The Buffer will be filled with the attribute. + + @param BufferLen The size of pBuffer. + + @param Level The option level. + + Valid values are: + <ul> + <li><code>osl_Socket_LevelSocket</code> : Socket Level + <li><code>osl_Socket_LevelTcp</code> : Level of Transmission Control Protocol + </ul> + @return The size of the attribute copied into pBuffer or -1 if an error + occurred. + */ + inline sal_Int32 SAL_CALL getOption( + oslSocketOption Option, + void* pBuffer, + sal_uInt32 BufferLen, + oslSocketOptionLevel Level= osl_Socket_LevelSocket) const; + + /** Sets the sockets attributes. + + @param Option denotes the option to modify. + Valid values (depending on the Level) are: + <ul> + <li> osl_Socket_Option_Debug + <li> osl_Socket_OptionAcceptConn + <li> osl_Socket_OptionReuseAddr + <li> osl_Socket_OptionKeepAlive + <li> osl_Socket_OptionDontRoute + <li> osl_Socket_OptionBroadcast + <li> osl_Socket_OptionUseLoopback + <li> osl_Socket_OptionLinger + <li> osl_Socket_OptionOOBinLine + <li> osl_Socket_OptionSndBuf + <li> osl_Socket_OptionRcvBuf + <li> osl_Socket_OptionSndLowat + <li> osl_Socket_OptionRcvLowat + <li> osl_Socket_OptionSndTimeo + <li> osl_Socket_OptionRcvTimeo + <li> osl_Socket_OptionError + <li> osl_Socket_OptionType + <li> osl_Socket_OptionTcpNoDelay + </ul> + + If not above mentioned otherwise, the options are only valid for + level osl_Socket_LevelSocket. + + @param pBuffer Pointer to a Buffer which contains the attribute-value. + + @param BufferLen contains the length of the Buffer. + + @param Level selects the level for which an option should be changed. + Valid values are: + <ul> + <li> osl_Socket_evel_Socket : Socket Level + <li> osl_Socket_Level_Tcp : Level of Transmission Control Protocol + </ul> + + @return True if the option could be changed. + */ + inline bool SAL_CALL setOption( oslSocketOption Option, + void* pBuffer, + sal_uInt32 BufferLen, + oslSocketOptionLevel Level= osl_Socket_LevelSocket ) const; + + /** Convenience function for setting sal_Bool and sal_Int32 option values. + @see setOption() + */ + inline bool setOption( oslSocketOption option, sal_Int32 nValue ); + + /** Convenience function for retrieving sal_Bool and sal_Int32 option values. + @see setOption() + */ + inline sal_Int32 getOption( oslSocketOption option ) const; + + /** Enables/disables non-blocking mode of the socket. + @param bNonBlockingMode If <code>true</code>, blocking mode will be switched off + If <code>false</code>, the socket will become a blocking + socket (which is the default behaviour of a socket). + @return <code>true</code> if mode could be set. + */ + inline bool SAL_CALL enableNonBlockingMode( bool bNonBlockingMode); + + /** Query blocking mode of the socket. + @return <code>true</code> if non-blocking mode is set. + */ + inline bool SAL_CALL isNonBlockingMode() const; + + + /** clears the error status + */ + inline void SAL_CALL clearError() const; + + /** returns a constant describing the last error for the socket system. + + @return osl_Socket_E_NONE if no error occurred, invalid_SocketError if + an unknown (unmapped) error occurred, otherwise an enum describing the + error. + @see osl_getLastSocketError() + */ + inline oslSocketError getError() const; + + /** Builds a string with the last error-message for the socket. + */ + inline ::rtl::OUString getErrorAsString( ) const; + + /** Returns the underlying handle unacquired (The caller must acquire it to keep it). + */ + inline oslSocket getHandle() const; + }; + + + class StreamSocket : public Socket + { + public: + /** Creates a socket. + @param Family the Family of the socket (Inet by default) + @param Protocol the Protocon of the socket (IP by default) + @param Type For some protocols it might be desirable to + use a different type than <code>osl_Socket_TypeStream</code> + (like <code>osl_Socket_TypeSeqPacket</code>). + Therefore this parameter is not hidden. + */ + inline StreamSocket(oslAddrFamily Family = osl_Socket_FamilyInet, + oslProtocol Protocol = osl_Socket_ProtocolIp, + oslSocketType Type = osl_Socket_TypeStream); + + inline StreamSocket( oslSocket Socket , __sal_NoAcquire noacquire ); + + inline StreamSocket( oslSocket Socket ); + + /** Retrieves n bytes from the stream and copies them into pBuffer. + The method avoids incomplete reads due to packet boundaries and is thus + blocking. + @param pBuffer receives the read data. pBuffer must be large enough + to hold n bytes. + @param n the number of bytes to read. + @return the number of read bytes. The number will only be smaller than + n if an exceptional condition (e.g. connection closed) occurs. + */ + inline sal_Int32 SAL_CALL read(void* pBuffer, sal_uInt32 n); + + /** Writes n bytes from pBuffer to the stream. The method avoids + incomplete writes due to packet boundaries and is thus blocking. + @param pBuffer contains the data to be written. + @param n the number of bytes to write. + @return the number of written bytes. The number will only be smaller than + n if an exceptional condition (e.g. connection closed) occurs. + */ + inline sal_Int32 SAL_CALL write(const void* pBuffer, sal_uInt32 n); + + + /** Tries to receive BytesToRead data from the connected socket, + + @param[out] pBuffer Points to a buffer that will be filled with the received + data. pBuffer must have at least have a size of BytesToRead. + @param[in] BytesToRead The number of bytes to read. + @param[in] flags Modifier for the call. Valid values are: + + <ul> + <li><code>osl_Socket_MsgNormal</code> + <li><code>osl_Socket_MsgOOB</code> + <li><code>osl_Socket_MsgPeek</code> + <li><code>osl_Socket_MsgDontRoute</code> + <li><code>osl_Socket_MsgMaxIOVLen</code> + </ul> + @return the number of received bytes, which may be less than BytesToRead. + */ + inline sal_Int32 SAL_CALL recv(void* pBuffer, + sal_uInt32 BytesToRead, + oslSocketMsgFlag flags= osl_Socket_MsgNormal); + + /** Tries to send BytesToSend data to the connected socket. + + @param pBuffer [in] Points to a buffer that contains the send-data. + @param BytesToSend [in] The number of bytes to send. pBuffer must have at least + this size. + @param Flag [in] Modifier for the call. Valid values are: + <ul> + <li><code>osl_Socket_MsgNormal</code> + <li><code>osl_Socket_MsgOOB</code> + <li><code>osl_Socket_MsgPeek</code> + <li><code>osl_Socket_MsgDontRoute</code> + <li><code>osl_Socket_MsgMaxIOVLen</code> + </ul> + + @return the number of transferred bytes. It may be less than BytesToSend. + */ + sal_Int32 SAL_CALL send(const void* pBuffer, + sal_uInt32 BytesToSend, + oslSocketMsgFlag= osl_Socket_MsgNormal); + }; + + class ConnectorSocket : public StreamSocket + { + public: + /** Creates a socket that can connect to a (remote) host. + @param Family the Family of the socket (Inet by default) + @param Protocol the Protocon of the socket (IP by default) + @param Type For some protocols it might be desirable to + use a different type than sock_stream <code>osl_Socket_TypeSeqPacket</code> + (like <code>osl_Socket_TypeSeqPacket</code>). + Therefore we do not hide this parameter here. + */ + ConnectorSocket(oslAddrFamily Family = osl_Socket_FamilyInet, + oslProtocol Protocol = osl_Socket_ProtocolIp, + oslSocketType Type = osl_Socket_TypeStream); + + + /** Connects the socket to a (remote) host. + @param TargetHost The address of the target. + @param pTimeout The timeout for blocking. If 0, a default system dependent timeout + us used. + @return <code> osl_Socket_Ok</code> if connected successfully, + <code>osl_Socket_TimedOut</code> on timeout, + <code>osl_Socket_Interrupted</code> if unblocked forcefully (by osl::Socket::close()), + <code>osl_Socket_Error</code> if connect failed. + */ + oslSocketResult SAL_CALL connect(const SocketAddr& TargetHost, const TimeValue* pTimeout = NULL); + }; + + /** Allows to accept socket connections. + */ + class AcceptorSocket : public Socket + { + public: + inline AcceptorSocket(oslAddrFamily Family = osl_Socket_FamilyInet, + oslProtocol Protocol = osl_Socket_ProtocolIp, + oslSocketType Type = osl_Socket_TypeStream); + + /** Prepare a socket for the accept-call. The socket must have been + bound before to the local address. + @param MaxPendingConnections The maximum number of pending + connections (waiting to be accepted) on this socket. If you use + -1, a system default value is used. + @return <code>true</code> if call was successful. + */ + inline bool SAL_CALL listen(sal_Int32 MaxPendingConnections= -1); + + /** Accepts incoming connections on the socket. You must + precede this call with osl::Socket::bind() and listen(). + @param Connection receives the incoming connection. + @return <code>osl_Socket_Ok</code>, if a connection has been accepted, + <code>osl_Socket_TimedOut</code>, if m_RecvTimeout milliseconds passed without connect, + <code>osl_Socket_Error</code> on errors. + */ + inline oslSocketResult SAL_CALL acceptConnection( StreamSocket& Connection); + + /** Accepts incoming connections on the socket. You must + precede this call with osl::Socket::bind() and listen(). + @param PeerAddr receives the address of the connecting entity + (your communication partner). + @param Connection receives the incoming connection. + @return <code>osl_Socket_Ok</code>, if a connection has been accepted, + <code>osl_Socket_TimedOut</code>, if m_RecvTimeout milliseconds passed without connect, + <code>osl_Socket_Error</code> on errors. + */ + inline oslSocketResult SAL_CALL acceptConnection( StreamSocket& Connection, SocketAddr & PeerAddr); + }; + + + /** A connectionless socket to send and receive datagrams. + */ + class DatagramSocket : public Socket + { + public: + + /** Creates a datagram socket. + @param Family the Family of the socket (Inet by default) + @param Protocol the Protocon of the socket (IP by default) + @param Type is sock_dgram by default. + */ + inline DatagramSocket(oslAddrFamily Family= osl_Socket_FamilyInet, + oslProtocol Protocol= osl_Socket_ProtocolIp, + oslSocketType Type= osl_Socket_TypeDgram); + + /** Tries to receives BufferSize data from the socket, if no error occurs. + + @param pSenderAddr [out] You must provide pointer to a SocketAddr. + It will be filled with the address of the datagrams sender. + If pSenderAddr is 0, it is ignored. + @param pBuffer [out] Points to a buffer that will be filled with the received + datagram. + @param BufferSize [in] The size of pBuffer. + @param Flag [in] Modifier for the call. Valid values are: + <ul> + <li><code>osl_Socket_MsgNormal</code> + <li><code>osl_Socket_MsgOOB</code> + <li><code>osl_Socket_MsgPeek</code> + <li><code>osl_Socket_MsgDontRoute</code> + <li><code>osl_Socket_MsgMaxIOVLen</code> + </ul> + + @return the number of received bytes. + */ + inline sal_Int32 SAL_CALL recvFrom(void* pBuffer, + sal_uInt32 BufferSize, + SocketAddr* pSenderAddr= NULL, + oslSocketMsgFlag Flag= osl_Socket_MsgNormal); + + /** Tries to send one datagram with BytesToSend size to the given ReceiverAddr. + Since there is only send one packet, the function doesn't care about + packet boundaries. + + @param ReceiverAddr [in] A SocketAddr that contains + the destination address for this send. + + @param pBuffer [in] Points to a buffer that contains the send-data. + @param BufferSize [in] The number of bytes to send. pBuffer must have at least + this size. + @param Flag [in] Modifier for the call. Valid values are: + + <ul> + <li><code>osl_Socket_MsgNormal</code> + <li><code>osl_Socket_MsgOOB</code> + <li><code>osl_Socket_MsgPeek</code> + <li><code>osl_Socket_MsgDontRoute</code> + <li><code>osl_Socket_MsgMaxIOVLen</code> + </ul> + + @return the number of transferred bytes. + */ + inline sal_Int32 SAL_CALL sendTo( const SocketAddr& ReceiverAddr, + const void* pBuffer, + sal_uInt32 BufferSize, + oslSocketMsgFlag Flag= osl_Socket_MsgNormal); + }; + +} + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |