genode/repos/dde_linux/include/lxip/lxip.h
2017-02-28 12:59:29 +01:00

123 lines
3.1 KiB
C++

/*
* \brief Lxip: Linux TCP/IP as a library
* \author Christian Helmuth
* \author Sebastian Sumpf
* \date 2013-09-04
*/
/*
* Copyright (C) 2012-2017 Genode Labs GmbH
*
* This file is distributed under the terms of the GNU General Public License
* version 2.
*/
#ifndef _INCLUDE_LXIP_LXIP_H_
#define _INCLUDE_LXIP_LXIP_H_
#include <base/stdint.h>
namespace Lxip {
struct Handle
{
void *socket;
bool non_block;
Handle() : socket(0), non_block(false) { }
};
enum Type { TYPE_STREAM, TYPE_DGRAM };
class Socketcall;
/**
* Init backend
*
* \param ip_addr_str IP address
* \param netmask_str Netmask
* \param gateway_str Gateway
* \param nameserver_str Nameserver
*
* \return Reference to Socketcall object
*/
Socketcall & init(Genode::Env &env,
char const *ip_addr_str,
char const *netmask_str,
char const *gateway_str,
char const *nameserver_str);
typedef Genode::uint8_t uint8_t;
typedef Genode::uint16_t uint16_t;
typedef Genode::uint32_t uint32_t;
typedef signed long ssize_t;
typedef Genode::size_t size_t;
enum Poll_mask {
POLLIN = 0x1,
POLLOUT = 0x2,
POLLEX = 0x4,
};
enum Message_flags {
LINUX_MSG_COMPAT = 0x0,
LINUX_MSG_OOB = 0x1,
LINUX_MSG_PEEK = 0x2,
LINUX_MSG_DONTROUTE = 0x4,
LINUX_MSG_CTRUNC = 0x8,
LINUX_MSG_TRUNC = 0x20,
LINUX_MSG_DONTWAIT = 0x40,
LINUX_MSG_EOR = 0x80,
LINUX_MSG_WAITALL = 0x100,
LINUX_MSG_EOF = 0x200,
LINUX_MSG_NOSIGNAL = 0x4000,
};
enum Socket_level {
LINUX_SOL_SOCKET = 1,
};
enum Ioctl_cmd {
LINUX_FIONREAD = 0x541b, /* == SIOCINQ */
LINUX_IFADDR = 0x8915, /* == SIOCGIFADDR */
};
/*
* Must match errno values from lx_emul.h
*/
enum Io_result {
LINUX_EAGAIN = -35,
LINUX_EINPROGRESS = -36,
LINUX_EALREADY = -37,
LINUX_EISCONN = -56,
};
}
class Lxip::Socketcall
{
public:
virtual Handle accept(Handle h, void *addr, uint32_t *len) = 0;
virtual int bind(Handle h, uint16_t family, void *addr) = 0;
virtual void close(Handle h) = 0;
virtual int connect(Handle h, uint16_t family, void *addr) = 0;
virtual int getpeername(Handle h, void *addr, uint32_t *len) = 0;
virtual int getsockname(Handle h, void *addr, uint32_t *len) = 0;
virtual int getsockopt(Handle h, int level, int optname,
void *optval, int *optlen) = 0;
virtual int ioctl(Handle h, int request, char *arg) = 0;
virtual int listen(Handle h, int backlog) = 0;
virtual int poll(Handle h, bool block) = 0;
virtual ssize_t recv(Handle h, void *buf, size_t len, int flags,
uint16_t family, void *addr, uint32_t *addr_len) = 0;
virtual ssize_t send(Handle h, const void *buf, size_t len, int flags,
uint16_t family, void *addr) = 0;
virtual int setsockopt(Handle h, int level, int optname,
const void *optval, uint32_t optlen) = 0;
virtual int shutdown(Handle h, int how) = 0;
virtual Handle socket(Type) = 0;
};
#endif /* _INCLUDE_LXIP_LXIP_H_ */