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Diffstat (limited to 'netcon/LWIPStack.hpp')
| -rw-r--r-- | netcon/LWIPStack.hpp | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/netcon/LWIPStack.hpp b/netcon/LWIPStack.hpp new file mode 100644 index 00000000..a938dd1e --- /dev/null +++ b/netcon/LWIPStack.hpp @@ -0,0 +1,193 @@ +/* + * ZeroTier One - Network Virtualization Everywhere + * Copyright (C) 2011-2015 ZeroTier, Inc. + * + * 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, either version 3 of the License, or + * (at your option) any later version. + * + * 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 <http://www.gnu.org/licenses/>. + * + * -- + * + * ZeroTier may be used and distributed under the terms of the GPLv3, which + * are available at: http://www.gnu.org/licenses/gpl-3.0.html + * + * If you would like to embed ZeroTier into a commercial application or + * redistribute it in a modified binary form, please contact ZeroTier Networks + * LLC. Start here: http://www.zerotier.com/ + */ + + +#include "lwip/mem.h" +#include "lwip/pbuf.h" +#include "lwip/ip_addr.h" +#include "lwip/netif.h" + +/* +#include "lwip/timers.h" +#include "lwip/opt.h" +#include "lwip/init.h" +#include "lwip/mem.h" +#include "lwip/memp.h" +#include "lwip/sys.h" +#include "lwip/stats.h" +//#include "lwip/tcp_impl.h" +//#include "lwip/inet_chksum.h" +#include "lwip/tcpip.h" +//#include "lwip/ip_addr.h" +#include "lwip/debug.h" +//#include "lwip/ip.h" +//#include "lwip/ip_frag.h" +*/ + +#include <stdio.h> +#include <dlfcn.h> + +#ifndef LWIPSTACK_H +#define LWIPSTACK_H + +#ifdef D_GNU_SOURCE + #define _GNU_SOURCE +#endif + + +typedef ip_addr ip_addr_t; + + +#define TCP_WRITE_SIG struct tcp_pcb *pcb, const void *arg, u16_t len, u8_t apiflags +#define TCP_SENT_SIG struct tcp_pcb * pcb, err_t (* sent)(void * arg, struct tcp_pcb * tpcb, u16_t len) +#define TCP_NEW_SIG void +#define TCP_SNDBUF_SIG struct tcp_pcb * pcb +#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) +#define TCP_RECV_SIG struct tcp_pcb * pcb, err_t (* recv)(void * arg, struct tcp_pcb * tpcb, struct pbuf * p, err_t err) +#define TCP_RECVED_SIG struct tcp_pcb * pcb, u16_t len +#define TCP_ERR_SIG struct tcp_pcb * pcb, void (* err)(void * arg, err_t err) +#define TCP_POLL_SIG struct tcp_pcb * pcb, err_t (* poll)(void * arg, struct tcp_pcb * tpcb), u8_t interval +#define TCP_ARG_SIG struct tcp_pcb * pcb, void * arg +#define TCP_CLOSE_SIG struct tcp_pcb * pcb +#define TCP_ABORT_SIG struct tcp_pcb * pcb +#define TCP_OUTPUT_SIG struct tcp_pcb * pcb +#define TCP_ACCEPT_SIG struct tcp_pcb * pcb, err_t (* accept)(void * arg, struct tcp_pcb * newpcb, err_t err) +#define TCP_LISTEN_SIG struct tcp_pcb * pcb +#define TCP_LISTEN_WITH_BACKLOG_SIG struct tcp_pcb * pcb, u8_t backlog +#define TCP_BIND_SIG struct tcp_pcb * pcb, struct ip_addr * ipaddr, u16_t port +//#define TAPIF_INIT_SIG struct netif *netif +//#define TAPIF_INPUT_SIG LWIPStack* ls, struct netif *netif +#define PBUF_FREE_SIG struct pbuf *p +#define PBUF_ALLOC_SIG pbuf_layer layer, u16_t length, pbuf_type type +#define LWIP_HTONS_SIG u16_t x +#define LWIP_NTOHS_SIG u16_t x +#define IPADDR_NTOA_SIG const ip_addr_t *addr +#define ETHARP_OUTPUT_SIG struct netif *netif, struct pbuf *q, ip_addr_t *ipaddr +#define ETHERNET_INPUT_SIG struct pbuf *p, struct netif *netif + +#define TCP_INPUT_SIG struct pbuf *p, struct netif *inp +#define IP_INPUT_SIG struct pbuf *p, struct netif *inp + +#define NETIF_SET_DEFAULT_SIG struct netif *netif +#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 +#define NETIF_SET_UP_SIG struct netif *netif +#define NETIF_POLL_SIG struct netif *netif + + + +class LWIPStack{ + void* libref; + +public: + + void (*lwip_init)(); + err_t (*tcp_write)(TCP_WRITE_SIG); + void (*tcp_sent)(TCP_SENT_SIG); + struct tcp_pcb * (*tcp_new)(TCP_NEW_SIG); + u16_t (*tcp_sndbuf)(TCP_SNDBUF_SIG); + err_t (*tcp_connect)(TCP_CONNECT_SIG); + void (*tcp_recv)(TCP_RECV_SIG); + void (*tcp_recved)(TCP_RECVED_SIG); + void (*tcp_err)(TCP_ERR_SIG); + void (*tcp_poll)(TCP_POLL_SIG); + void (*tcp_arg)(TCP_ARG_SIG); + err_t (*tcp_close)(TCP_CLOSE_SIG); + void (*tcp_abort)(TCP_ABORT_SIG); + err_t (*tcp_output)(TCP_OUTPUT_SIG); + void (*tcp_accept)(TCP_ACCEPT_SIG); + struct tcp_pcb * (*tcp_listen)(TCP_LISTEN_SIG); + struct tcp_pcb * (*tcp_listen_with_backlog)(TCP_LISTEN_WITH_BACKLOG_SIG); + err_t (*tcp_bind)(TCP_BIND_SIG); + void (*etharp_tmr)(void); + void (*tcp_tmr)(void); + //err_t (*tapif_init)(TAPIF_INIT_SIG); + //void (*tapif_input)(TAPIF_INPUT_SIG); + u8_t (*pbuf_free)(PBUF_FREE_SIG); + struct pbuf * (*pbuf_alloc)(PBUF_ALLOC_SIG); + u16_t (*lwip_htons)(LWIP_HTONS_SIG); + u16_t (*lwip_ntohs)(LWIP_NTOHS_SIG); + char* (*ipaddr_ntoa)(IPADDR_NTOA_SIG); + err_t (*etharp_output)(ETHARP_OUTPUT_SIG); + err_t (*ethernet_input)(ETHERNET_INPUT_SIG); + void (*tcp_input)(TCP_INPUT_SIG); + err_t (*ip_input)(IP_INPUT_SIG); + + void (*netif_set_default)(NETIF_SET_DEFAULT_SIG); + struct netif * (*netif_add)(NETIF_ADD_SIG); + void (*netif_set_up)(NETIF_SET_UP_SIG); + void (*netif_poll)(NETIF_POLL_SIG); + + + + LWIPStack(const char* path) + { + libref = dlmopen(LM_ID_NEWLM, path, RTLD_NOW); + if(libref == NULL) + printf("dlerror(): %s\n", dlerror()); + + /* assign function pointers to symbols in dynamically-loaded lib */ + lwip_init = (void(*)(void))dlsym(libref, "lwip_init"); + tcp_write = (err_t(*)(TCP_WRITE_SIG))dlsym(libref, "tcp_write"); + tcp_sent = (void(*)(TCP_SENT_SIG))dlsym(libref, "tcp_sent"); + tcp_new = (struct tcp_pcb*(*)(TCP_NEW_SIG))dlsym(libref, "tcp_new"); + tcp_sndbuf = (u16_t(*)(TCP_SNDBUF_SIG))dlsym(libref, "tcp_sndbuf"); + tcp_connect = (err_t(*)(TCP_CONNECT_SIG))dlsym(libref, "tcp_connect"); + tcp_recv = (void(*)(TCP_RECV_SIG))dlsym(libref, "tcp_recv"); + tcp_recved = (void(*)(TCP_RECVED_SIG))dlsym(libref, "tcp_recved"); + tcp_err = (void(*)(TCP_ERR_SIG))dlsym(libref, "tcp_err"); + tcp_poll = (void(*)(TCP_POLL_SIG))dlsym(libref, "tcp_poll"); + tcp_arg = (void(*)(TCP_ARG_SIG))dlsym(libref, "tcp_arg"); + tcp_close = (err_t(*)(TCP_CLOSE_SIG))dlsym(libref, "tcp_close"); + tcp_abort = (void(*)(TCP_ABORT_SIG))dlsym(libref, "tcp_abort"); + tcp_output = (err_t(*)(TCP_OUTPUT_SIG))dlsym(libref, "tcp_output"); + tcp_accept = (void(*)(TCP_ACCEPT_SIG))dlsym(libref, "tcp_accept"); + tcp_listen = (struct tcp_pcb*(*)(TCP_LISTEN_SIG))dlsym(libref, "tcp_listen"); + tcp_listen_with_backlog = (struct tcp_pcb*(*)(TCP_LISTEN_WITH_BACKLOG_SIG))dlsym(libref, "tcp_listen_with_backlog"); + tcp_bind = (err_t(*)(TCP_BIND_SIG))dlsym(libref, "tcp_bind"); + etharp_tmr = (void(*)(void))dlsym(libref, "etharp_tmr"); + tcp_tmr = (void(*)(void))dlsym(libref, "tcp_tmr"); + //tapif_init = (err_t(*)(TAPIF_INIT_SIG))dlsym(libref, "tapif_init"); + //tapif_input = (void(*)(TAPIF_INPUT_SIG))dlsym(libref, "tapif_input"); + pbuf_free = (u8_t(*)(PBUF_FREE_SIG))dlsym(libref, "pbuf_free"); + pbuf_alloc = (struct pbuf*(*)(PBUF_ALLOC_SIG))dlsym(libref, "pbuf_alloc"); + lwip_htons = (u16_t(*)(LWIP_HTONS_SIG))dlsym(libref, "lwip_htons"); + lwip_ntohs = (u16_t(*)(LWIP_NTOHS_SIG))dlsym(libref, "lwip_ntohs"); + ipaddr_ntoa = (char*(*)(IPADDR_NTOA_SIG))dlsym(libref, "ipaddr_ntoa"); + etharp_output = (err_t(*)(ETHARP_OUTPUT_SIG))dlsym(libref, "etharp_output"); + ethernet_input = (err_t(*)(ETHERNET_INPUT_SIG))dlsym(libref, "ethernet_input"); + + tcp_input = (void(*)(TCP_INPUT_SIG))dlsym(libref, "tcp_input"); + ip_input = (err_t(*)(IP_INPUT_SIG))dlsym(libref, "ip_input"); + + netif_set_default = (void(*)(NETIF_SET_DEFAULT_SIG))dlsym(libref, "netif_set_default"); + netif_add = (struct netif*(*)(NETIF_ADD_SIG))dlsym(libref, "netif_add"); + netif_set_up = (void(*)(NETIF_SET_UP_SIG))dlsym(libref, "netif_set_up"); + netif_poll = (void(*)(NETIF_POLL_SIG))dlsym(libref, "netif_poll"); + } +}; + +#endif |