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193 lines
7.9 KiB
193 lines
7.9 KiB
/* |
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* ZeroTier One - Network Virtualization Everywhere |
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* Copyright (C) 2011-2015 ZeroTier, Inc. |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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* -- |
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* |
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* ZeroTier may be used and distributed under the terms of the GPLv3, which |
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* are available at: http://www.gnu.org/licenses/gpl-3.0.html |
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* |
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* If you would like to embed ZeroTier into a commercial application or |
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* redistribute it in a modified binary form, please contact ZeroTier Networks |
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* LLC. Start here: http://www.zerotier.com/ |
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*/ |
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#include "lwip/mem.h" |
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#include "lwip/pbuf.h" |
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#include "lwip/ip_addr.h" |
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#include "lwip/netif.h" |
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/* |
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#include "lwip/timers.h" |
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#include "lwip/opt.h" |
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#include "lwip/init.h" |
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#include "lwip/mem.h" |
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#include "lwip/memp.h" |
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#include "lwip/sys.h" |
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#include "lwip/stats.h" |
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//#include "lwip/tcp_impl.h" |
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//#include "lwip/inet_chksum.h" |
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#include "lwip/tcpip.h" |
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//#include "lwip/ip_addr.h" |
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#include "lwip/debug.h" |
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//#include "lwip/ip.h" |
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//#include "lwip/ip_frag.h" |
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*/ |
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#include <stdio.h> |
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#include <dlfcn.h> |
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#ifndef LWIPSTACK_H |
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#define LWIPSTACK_H |
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#ifdef D_GNU_SOURCE |
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#define _GNU_SOURCE |
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#endif |
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typedef ip_addr ip_addr_t; |
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#define TCP_WRITE_SIG struct tcp_pcb *pcb, const void *arg, u16_t len, u8_t apiflags |
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#define TCP_SENT_SIG struct tcp_pcb * pcb, err_t (* sent)(void * arg, struct tcp_pcb * tpcb, u16_t len) |
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#define TCP_NEW_SIG void |
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#define TCP_SNDBUF_SIG struct tcp_pcb * pcb |
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#define TCP_CONNECT_SIG struct tcp_pcb * pcb, struct ip_addr * ipaddr, u16_t port, err_t (* connected)(void * arg, struct tcp_pcb * tpcb, err_t err) |
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#define TCP_RECV_SIG struct tcp_pcb * pcb, err_t (* recv)(void * arg, struct tcp_pcb * tpcb, struct pbuf * p, err_t err) |
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#define TCP_RECVED_SIG struct tcp_pcb * pcb, u16_t len |
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#define TCP_ERR_SIG struct tcp_pcb * pcb, void (* err)(void * arg, err_t err) |
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#define TCP_POLL_SIG struct tcp_pcb * pcb, err_t (* poll)(void * arg, struct tcp_pcb * tpcb), u8_t interval |
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#define TCP_ARG_SIG struct tcp_pcb * pcb, void * arg |
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#define TCP_CLOSE_SIG struct tcp_pcb * pcb |
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#define TCP_ABORT_SIG struct tcp_pcb * pcb |
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#define TCP_OUTPUT_SIG struct tcp_pcb * pcb |
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#define TCP_ACCEPT_SIG struct tcp_pcb * pcb, err_t (* accept)(void * arg, struct tcp_pcb * newpcb, err_t err) |
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#define TCP_LISTEN_SIG struct tcp_pcb * pcb |
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#define TCP_LISTEN_WITH_BACKLOG_SIG struct tcp_pcb * pcb, u8_t backlog |
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#define TCP_BIND_SIG struct tcp_pcb * pcb, struct ip_addr * ipaddr, u16_t port |
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//#define TAPIF_INIT_SIG struct netif *netif |
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//#define TAPIF_INPUT_SIG LWIPStack* ls, struct netif *netif |
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#define PBUF_FREE_SIG struct pbuf *p |
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#define PBUF_ALLOC_SIG pbuf_layer layer, u16_t length, pbuf_type type |
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#define LWIP_HTONS_SIG u16_t x |
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#define LWIP_NTOHS_SIG u16_t x |
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#define IPADDR_NTOA_SIG const ip_addr_t *addr |
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#define ETHARP_OUTPUT_SIG struct netif *netif, struct pbuf *q, ip_addr_t *ipaddr |
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#define ETHERNET_INPUT_SIG struct pbuf *p, struct netif *netif |
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#define TCP_INPUT_SIG struct pbuf *p, struct netif *inp |
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#define IP_INPUT_SIG struct pbuf *p, struct netif *inp |
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#define NETIF_SET_DEFAULT_SIG struct netif *netif |
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#define NETIF_ADD_SIG struct netif *netif, ip_addr_t *ipaddr, ip_addr_t *netmask, ip_addr_t *gw, void *state, netif_init_fn init, netif_input_fn input |
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#define NETIF_SET_UP_SIG struct netif *netif |
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#define NETIF_POLL_SIG struct netif *netif |
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class LWIPStack{ |
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void* libref; |
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public: |
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void (*lwip_init)(); |
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err_t (*tcp_write)(TCP_WRITE_SIG); |
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void (*tcp_sent)(TCP_SENT_SIG); |
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struct tcp_pcb * (*tcp_new)(TCP_NEW_SIG); |
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u16_t (*tcp_sndbuf)(TCP_SNDBUF_SIG); |
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err_t (*tcp_connect)(TCP_CONNECT_SIG); |
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void (*tcp_recv)(TCP_RECV_SIG); |
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void (*tcp_recved)(TCP_RECVED_SIG); |
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void (*tcp_err)(TCP_ERR_SIG); |
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void (*tcp_poll)(TCP_POLL_SIG); |
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void (*tcp_arg)(TCP_ARG_SIG); |
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err_t (*tcp_close)(TCP_CLOSE_SIG); |
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void (*tcp_abort)(TCP_ABORT_SIG); |
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err_t (*tcp_output)(TCP_OUTPUT_SIG); |
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void (*tcp_accept)(TCP_ACCEPT_SIG); |
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struct tcp_pcb * (*tcp_listen)(TCP_LISTEN_SIG); |
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struct tcp_pcb * (*tcp_listen_with_backlog)(TCP_LISTEN_WITH_BACKLOG_SIG); |
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err_t (*tcp_bind)(TCP_BIND_SIG); |
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void (*etharp_tmr)(void); |
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void (*tcp_tmr)(void); |
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//err_t (*tapif_init)(TAPIF_INIT_SIG); |
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//void (*tapif_input)(TAPIF_INPUT_SIG); |
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u8_t (*pbuf_free)(PBUF_FREE_SIG); |
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struct pbuf * (*pbuf_alloc)(PBUF_ALLOC_SIG); |
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u16_t (*lwip_htons)(LWIP_HTONS_SIG); |
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u16_t (*lwip_ntohs)(LWIP_NTOHS_SIG); |
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char* (*ipaddr_ntoa)(IPADDR_NTOA_SIG); |
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err_t (*etharp_output)(ETHARP_OUTPUT_SIG); |
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err_t (*ethernet_input)(ETHERNET_INPUT_SIG); |
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void (*tcp_input)(TCP_INPUT_SIG); |
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err_t (*ip_input)(IP_INPUT_SIG); |
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void (*netif_set_default)(NETIF_SET_DEFAULT_SIG); |
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struct netif * (*netif_add)(NETIF_ADD_SIG); |
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void (*netif_set_up)(NETIF_SET_UP_SIG); |
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void (*netif_poll)(NETIF_POLL_SIG); |
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LWIPStack(const char* path) |
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{ |
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libref = dlmopen(LM_ID_NEWLM, path, RTLD_NOW); |
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if(libref == NULL) |
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printf("dlerror(): %s\n", dlerror()); |
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/* assign function pointers to symbols in dynamically-loaded lib */ |
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lwip_init = (void(*)(void))dlsym(libref, "lwip_init"); |
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tcp_write = (err_t(*)(TCP_WRITE_SIG))dlsym(libref, "tcp_write"); |
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tcp_sent = (void(*)(TCP_SENT_SIG))dlsym(libref, "tcp_sent"); |
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tcp_new = (struct tcp_pcb*(*)(TCP_NEW_SIG))dlsym(libref, "tcp_new"); |
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tcp_sndbuf = (u16_t(*)(TCP_SNDBUF_SIG))dlsym(libref, "tcp_sndbuf"); |
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tcp_connect = (err_t(*)(TCP_CONNECT_SIG))dlsym(libref, "tcp_connect"); |
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tcp_recv = (void(*)(TCP_RECV_SIG))dlsym(libref, "tcp_recv"); |
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tcp_recved = (void(*)(TCP_RECVED_SIG))dlsym(libref, "tcp_recved"); |
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tcp_err = (void(*)(TCP_ERR_SIG))dlsym(libref, "tcp_err"); |
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tcp_poll = (void(*)(TCP_POLL_SIG))dlsym(libref, "tcp_poll"); |
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tcp_arg = (void(*)(TCP_ARG_SIG))dlsym(libref, "tcp_arg"); |
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tcp_close = (err_t(*)(TCP_CLOSE_SIG))dlsym(libref, "tcp_close"); |
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tcp_abort = (void(*)(TCP_ABORT_SIG))dlsym(libref, "tcp_abort"); |
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tcp_output = (err_t(*)(TCP_OUTPUT_SIG))dlsym(libref, "tcp_output"); |
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tcp_accept = (void(*)(TCP_ACCEPT_SIG))dlsym(libref, "tcp_accept"); |
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tcp_listen = (struct tcp_pcb*(*)(TCP_LISTEN_SIG))dlsym(libref, "tcp_listen"); |
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tcp_listen_with_backlog = (struct tcp_pcb*(*)(TCP_LISTEN_WITH_BACKLOG_SIG))dlsym(libref, "tcp_listen_with_backlog"); |
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tcp_bind = (err_t(*)(TCP_BIND_SIG))dlsym(libref, "tcp_bind"); |
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etharp_tmr = (void(*)(void))dlsym(libref, "etharp_tmr"); |
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tcp_tmr = (void(*)(void))dlsym(libref, "tcp_tmr"); |
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//tapif_init = (err_t(*)(TAPIF_INIT_SIG))dlsym(libref, "tapif_init"); |
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//tapif_input = (void(*)(TAPIF_INPUT_SIG))dlsym(libref, "tapif_input"); |
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pbuf_free = (u8_t(*)(PBUF_FREE_SIG))dlsym(libref, "pbuf_free"); |
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pbuf_alloc = (struct pbuf*(*)(PBUF_ALLOC_SIG))dlsym(libref, "pbuf_alloc"); |
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lwip_htons = (u16_t(*)(LWIP_HTONS_SIG))dlsym(libref, "lwip_htons"); |
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lwip_ntohs = (u16_t(*)(LWIP_NTOHS_SIG))dlsym(libref, "lwip_ntohs"); |
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ipaddr_ntoa = (char*(*)(IPADDR_NTOA_SIG))dlsym(libref, "ipaddr_ntoa"); |
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etharp_output = (err_t(*)(ETHARP_OUTPUT_SIG))dlsym(libref, "etharp_output"); |
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ethernet_input = (err_t(*)(ETHERNET_INPUT_SIG))dlsym(libref, "ethernet_input"); |
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tcp_input = (void(*)(TCP_INPUT_SIG))dlsym(libref, "tcp_input"); |
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ip_input = (err_t(*)(IP_INPUT_SIG))dlsym(libref, "ip_input"); |
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netif_set_default = (void(*)(NETIF_SET_DEFAULT_SIG))dlsym(libref, "netif_set_default"); |
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netif_add = (struct netif*(*)(NETIF_ADD_SIG))dlsym(libref, "netif_add"); |
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netif_set_up = (void(*)(NETIF_SET_UP_SIG))dlsym(libref, "netif_set_up"); |
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netif_poll = (void(*)(NETIF_POLL_SIG))dlsym(libref, "netif_poll"); |
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} |
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}; |
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#endif
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