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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:49:04 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:49:04 +0000
commit16f504a9dca3fe3b70568f67b7d41241ae485288 (patch)
treec60f36ada0496ba928b7161059ba5ab1ab224f9d /include/iprt/udp.h
parentInitial commit. (diff)
downloadvirtualbox-16f504a9dca3fe3b70568f67b7d41241ae485288.tar.xz
virtualbox-16f504a9dca3fe3b70568f67b7d41241ae485288.zip
Adding upstream version 7.0.6-dfsg.upstream/7.0.6-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/iprt/udp.h')
-rw-r--r--include/iprt/udp.h191
1 files changed, 191 insertions, 0 deletions
diff --git a/include/iprt/udp.h b/include/iprt/udp.h
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+/** @file
+ * IPRT - UDP/IP.
+ */
+
+/*
+ * Copyright (C) 2006-2022 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+#ifndef IPRT_INCLUDED_udp_h
+#define IPRT_INCLUDED_udp_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include <iprt/cdefs.h>
+#include <iprt/types.h>
+#include <iprt/thread.h>
+#include <iprt/net.h>
+#include <iprt/sg.h>
+#include <iprt/socket.h>
+
+#ifdef IN_RING0
+# error "There are no RTFile APIs available Ring-0 Host Context!"
+#endif
+
+
+RT_C_DECLS_BEGIN
+
+/** @defgroup grp_rt_udp RTUdp - UDP/IP
+ * @ingroup grp_rt
+ * @{
+ */
+
+
+/**
+ * Handle incoming UDP datagrams.
+ *
+ * @returns iprt status code.
+ * @returns VERR_UDP_SERVER_STOP to terminate the server loop forcing
+ * the RTUdpCreateServer() call to return.
+ * @param Sock The socket on which the datagram needs to be received.
+ * @param pvUser User argument.
+ */
+typedef DECLCALLBACKTYPE(int, FNRTUDPSERVE,(RTSOCKET Sock, void *pvUser));
+/** Pointer to a RTUDPSERVE(). */
+typedef FNRTUDPSERVE *PFNRTUDPSERVE;
+
+/**
+ * Create single datagram at a time UDP Server in a separate thread.
+ *
+ * The thread will loop accepting datagrams and call pfnServe for
+ * each of the incoming datagrams in turn. The pfnServe function can
+ * return VERR_UDP_SERVER_STOP too terminate this loop. RTUdpServerDestroy()
+ * should be used to terminate the server.
+ *
+ * @returns iprt status code.
+ * @param pszAddress The address for creating a datagram socket.
+ * If NULL or empty string the server is bound to all interfaces.
+ * @param uPort The port for creating a datagram socket.
+ * @param enmType The thread type.
+ * @param pszThrdName The name of the worker thread.
+ * @param pfnServe The function which will handle incoming datagrams.
+ * @param pvUser User argument passed to pfnServe.
+ * @param ppServer Where to store the serverhandle.
+ */
+RTR3DECL(int) RTUdpServerCreate(const char *pszAddress, unsigned uPort, RTTHREADTYPE enmType, const char *pszThrdName,
+ PFNRTUDPSERVE pfnServe, void *pvUser, PPRTUDPSERVER ppServer);
+
+/**
+ * Create single datagram at a time UDP Server.
+ * The caller must call RTUdpServerReceive() to actually start the server.
+ *
+ * @returns iprt status code.
+ * @param pszAddress The address for creating a datagram socket.
+ * If NULL the server is bound to all interfaces.
+ * @param uPort The port for creating a datagram socket.
+ * @param ppServer Where to store the serverhandle.
+ */
+RTR3DECL(int) RTUdpServerCreateEx(const char *pszAddress, uint32_t uPort, PPRTUDPSERVER ppServer);
+
+/**
+ * Shuts down the server.
+ *
+ * @returns IPRT status code.
+ * @param pServer Handle to the server.
+ */
+RTR3DECL(int) RTUdpServerShutdown(PRTUDPSERVER pServer);
+
+/**
+ * Closes down and frees a UDP Server.
+ *
+ * @returns iprt status code.
+ * @param pServer Handle to the server.
+ */
+RTR3DECL(int) RTUdpServerDestroy(PRTUDPSERVER pServer);
+
+/**
+ * Listen for incoming datagrams.
+ *
+ * The function will loop waiting for datagrams and call pfnServe for
+ * each of the incoming datagrams in turn. The pfnServe function can
+ * return VERR_UDP_SERVER_STOP too terminate this loop. A stopped server
+ * can only be destroyed.
+ *
+ * @returns iprt status code.
+ * @param pServer The server handle as returned from RTUdpServerCreateEx().
+ * @param pfnServe The function which will handle incoming datagrams.
+ * @param pvUser User argument passed to pfnServe.
+ */
+RTR3DECL(int) RTUdpServerListen(PRTUDPSERVER pServer, PFNRTUDPSERVE pfnServe, void *pvUser);
+
+/**
+ * Receive data from a socket.
+ *
+ * @returns iprt status code.
+ * @param Sock Socket descriptor.
+ * @param pvBuffer Where to put the data we read.
+ * @param cbBuffer Read buffer size.
+ * @param pcbRead Number of bytes read. Must be non-NULL.
+ * @param pSrcAddr The network address to read from.
+ */
+RTR3DECL(int) RTUdpRead(RTSOCKET Sock, void *pvBuffer, size_t cbBuffer, size_t *pcbRead, PRTNETADDR pSrcAddr);
+
+/**
+ * Send data to a socket.
+ *
+ * @returns iprt status code.
+ * @retval VERR_INTERRUPTED if interrupted before anything was written.
+ *
+ * @param pServer Handle to the server.
+ * @param pvBuffer Buffer to write data to socket.
+ * @param cbBuffer How much to write.
+ * @param pDstAddr Destination address.
+ */
+RTR3DECL(int) RTUdpWrite(PRTUDPSERVER pServer, const void *pvBuffer,
+ size_t cbBuffer, PCRTNETADDR pDstAddr);
+
+/**
+ * Create and connect a data socket.
+ *
+ * @returns iprt status code.
+ * @param pszAddress The address to connect to.
+ * @param uPort The port to connect to.
+ * @param pLocalAddr The local address to bind this socket to, can be
+ * NULL.
+ * @param pSock Where to store the handle to the established connection.
+ */
+RTR3DECL(int) RTUdpCreateClientSocket(const char *pszAddress, uint32_t uPort, PRTNETADDR pLocalAddr, PRTSOCKET pSock);
+
+/**
+ * Create a data socket acting as a server.
+ *
+ * @returns iprt status code.
+ * @param pszAddress The address to connect to.
+ * @param uPort The port to connect to.
+ * @param pSock Where to store the handle to the established connection.
+ */
+RTR3DECL(int) RTUdpCreateServerSocket(const char *pszAddress, uint32_t uPort, PRTSOCKET pSock);
+
+/** @} */
+RT_C_DECLS_END
+
+#endif /* !IPRT_INCLUDED_udp_h */
+