UCVL Software Automation
94 lines
2.3 KiB
C
94 lines
2.3 KiB
C
/*
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============================================================================
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Name : hev-tunnel.h
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Author : hev <r@hev.cc>
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Copyright : Copyright (c) 2023 - 2025 hev
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Description : Tunnel
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============================================================================
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*/
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#ifndef __HEV_TUNNEL_H__
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#define __HEV_TUNNEL_H__
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#include <lwip/pbuf.h>
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#if defined(__linux__)
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#include "hev-tunnel-linux.h"
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#endif /* __linux__ */
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#if defined(__FreeBSD__)
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#include "hev-tunnel-freebsd.h"
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#endif /* __FreeBSD__ */
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#if defined(__NetBSD__)
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#include "hev-tunnel-netbsd.h"
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#endif /* __NetBSD__ */
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#if defined(__APPLE__) || defined(__MACH__)
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#include "hev-tunnel-macos.h"
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#endif /* __APPLE__ || __MACH__ */
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#if defined(__MSYS__)
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#include "hev-tunnel-windows.h"
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#endif /* __MSYS__ */
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#if defined(__linux__) || defined(__FreeBSD__) || defined(__NetBSD__)
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static inline struct pbuf *
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hev_tunnel_read (int fd, int mtu, HevTaskIOYielder yielder, void *yielder_data)
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{
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struct pbuf *buf;
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ssize_t s;
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buf = pbuf_alloc (PBUF_RAW, mtu, PBUF_RAM);
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if (!buf)
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return NULL;
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s = hev_task_io_read (fd, buf->payload, buf->len, yielder, yielder_data);
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if (s <= 0) {
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pbuf_free (buf);
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return NULL;
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}
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buf->tot_len = s;
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buf->len = s;
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return buf;
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}
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static inline ssize_t
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hev_tunnel_write (int fd, struct pbuf *buf)
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{
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struct iovec iov[512];
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struct pbuf *p = buf;
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int i;
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if (!p->next)
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return write (fd, p->payload, p->len);
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for (i = 0; p && (i < 512); p = p->next) {
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iov[i].iov_base = p->payload;
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iov[i].iov_len = p->len;
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i++;
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}
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return writev (fd, iov, i);
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}
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#endif /* defined(__linux__) || defined(__FreeBSD__) || defined(__NetBSD__) */
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int hev_tunnel_open (const char *name, int multi_queue);
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void hev_tunnel_close (int fd);
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int hev_tunnel_set_mtu (int mtu);
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int hev_tunnel_set_state (int state);
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int hev_tunnel_set_ipv4 (const char *addr, unsigned int prefix);
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int hev_tunnel_set_ipv6 (const char *addr, unsigned int prefix);
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const char *hev_tunnel_get_name (void);
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const char *hev_tunnel_get_index (void);
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int hev_tunnel_add_task (int fd, HevTask *task);
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void hev_tunnel_del_task (int fd, HevTask *task);
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#endif /* __HEV_TUNNEL_H__ */
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