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112 lines
2.9 KiB
C++
112 lines
2.9 KiB
C++
/*
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* \brief Lxip: Linux TCP/IP as a library
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* \author Christian Helmuth
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* \author Sebastian Sumpf
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* \date 2013-09-04
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*/
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/*
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* Copyright (C) 2012-2013 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#ifndef _INCLUDE_LXIP_LXIP_H_
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#define _INCLUDE_LXIP_LXIP_H_
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#include <base/stdint.h>
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namespace Lxip {
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struct Handle
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{
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void *socket;
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bool non_block;
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Handle() : socket(0), non_block(false) { }
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};
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enum Type { TYPE_STREAM, TYPE_DGRAM };
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class Socketcall;
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/**
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* Init backend
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*
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* \param ip_addr_str IP address
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* \param netmask_str Netmask
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* \param gateway_str Gateway
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* \param nameserver_str Nameserver
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*
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* \return Reference to Socketcall object
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*/
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Socketcall & init(Genode::Env &env,
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char const *ip_addr_str,
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char const *netmask_str,
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char const *gateway_str,
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char const *nameserver_str);
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typedef Genode::uint8_t uint8_t;
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typedef Genode::uint16_t uint16_t;
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typedef Genode::uint32_t uint32_t;
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typedef signed long ssize_t;
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typedef Genode::size_t size_t;
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enum Poll_mask {
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POLLIN = 0x1,
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POLLOUT = 0x2,
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POLLEX = 0x4,
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};
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enum Message_flags {
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LINUX_MSG_COMPAT = 0x0,
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LINUX_MSG_OOB = 0x1,
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LINUX_MSG_PEEK = 0x2,
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LINUX_MSG_DONTROUTE = 0x4,
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LINUX_MSG_CTRUNC = 0x8,
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LINUX_MSG_TRUNC = 0x20,
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LINUX_MSG_DONTWAIT = 0x40,
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LINUX_MSG_EOR = 0x80,
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LINUX_MSG_WAITALL = 0x100,
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LINUX_MSG_EOF = 0x200,
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LINUX_MSG_NOSIGNAL = 0x4000,
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};
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enum Socket_level {
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LINUX_SOL_SOCKET = 1,
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};
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enum Ioctl_cmd {
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LINUX_FIONREAD = 0x541b /* == SIOCINQ */
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};
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}
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class Lxip::Socketcall
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{
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public:
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virtual Handle accept(Handle h, void *addr, uint32_t *len) = 0;
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virtual int bind(Handle h, uint16_t family, void *addr) = 0;
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virtual void close(Handle h) = 0;
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virtual int connect(Handle h, uint16_t family, void *addr) = 0;
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virtual int getpeername(Handle h, void *addr, uint32_t *len) = 0;
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virtual int getsockname(Handle h, void *addr, uint32_t *len) = 0;
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virtual int getsockopt(Handle h, int level, int optname,
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void *optval, int *optlen) = 0;
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virtual int ioctl(Handle h, int request, char *arg) = 0;
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virtual int listen(Handle h, int backlog) = 0;
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virtual int poll(Handle h, bool block) = 0;
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virtual ssize_t recv(Handle h, void *buf, size_t len, int flags,
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uint16_t family, void *addr, uint32_t *addr_len) = 0;
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virtual ssize_t send(Handle h, const void *buf, size_t len, int flags,
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uint16_t family, void *addr) = 0;
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virtual int setsockopt(Handle h, int level, int optname,
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const void *optval, uint32_t optlen) = 0;
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virtual int shutdown(Handle h, int how) = 0;
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virtual Handle socket(Type) = 0;
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};
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#endif /* _INCLUDE_LXIP_LXIP_H_ */
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