diff options
Diffstat (limited to 'netcon/LWIPStack.hpp')
-rw-r--r-- | netcon/LWIPStack.hpp | 199 |
1 files changed, 118 insertions, 81 deletions
diff --git a/netcon/LWIPStack.hpp b/netcon/LWIPStack.hpp index b93de87d..c1492b6f 100644 --- a/netcon/LWIPStack.hpp +++ b/netcon/LWIPStack.hpp @@ -48,6 +48,8 @@ //#include "lwip/ip_frag.h" */ +#include "../node/Mutex.hpp" + #include <stdio.h> #include <dlfcn.h> @@ -58,10 +60,8 @@ #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 @@ -97,6 +97,8 @@ typedef ip_addr ip_addr_t; #define NETIF_SET_UP_SIG struct netif *netif #define NETIF_POLL_SIG struct netif *netif +namespace ZeroTier { + /** * Loads an instance of liblwip.so in a private memory arena * @@ -109,90 +111,88 @@ typedef ip_addr ip_addr_t; class LWIPStack { private: - void* libref; + void *_libref; + + 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); + 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); + + Mutex _lock; 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) + LWIPStack(const char* path) : + _libref(NULL) { - libref = dlmopen(LM_ID_NEWLM, path, RTLD_NOW); - if(libref == NULL) + _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"); + _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"); + _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"); } ~LWIPStack() @@ -200,6 +200,43 @@ public: if (libref) dlclose(libref); } + + inline void lwip_init() throw() { Mutex::Lock _l(_lock); return _lwip_init(); } + inline err_t tcp_write(TCP_WRITE_SIG) throw() { Mutex::Lock _l(_lock); return _tcp_write(pcb,arg,len,apiflags); } + inline void tcp_sent(TCP_SENT_SIG) throw() { Mutex::Lock _l(_lock); return _tcp_sent(pcb,sent); } + inline struct tcp_pcb * tcp_new(TCP_NEW_SIG) throw() { Mutex::Lock _l(_lock); return _tcp_new(); } + inline u16_t tcp_sndbuf(TCP_SNDBUF_SIG) throw() { Mutex::Lock _l(_lock); return _tcp_sndbuf(pcb); } + inline err_t tcp_connect(TCP_CONNECT_SIG) throw() { Mutex::Lock _l(_lock); return _tcp_connect(pcb,ipaddr,port,connected); } + inline void tcp_recv(TCP_RECV_SIG) throw() { Mutex::Lock _l(_lock); return _tcp_recv(pcb,recv); } + inline void tcp_recved(TCP_RECVED_SIG) throw() { Mutex::Lock _l(_lock); return _tcp_recved(pcb,len); } + inline void tcp_err(TCP_ERR_SIG) throw() { Mutex::Lock _l(_lock); return _tcp_err(pcb,err); } + inline void tcp_poll(TCP_POLL_SIG) throw() { Mutex::Lock _l(_lock); return _tcp_poll(pcb,poll); } + inline void tcp_arg(TCP_ARG_SIG) throw() { Mutex::Lock _l(_lock); return _tcp_arg(pcb,arg); } + inline err_t tcp_close(TCP_CLOSE_SIG) throw() { Mutex::Lock _l(_lock); return _tcp_close(pcb); } + inline void tcp_abort(TCP_ABORT_SIG) throw() { Mutex::Lock _l(_lock); return _tcp_abort(pcb); } + inline err_t tcp_output(TCP_OUTPUT_SIG) throw() { Mutex::Lock _l(_lock); return _tcp_output(pcb); } + inline void tcp_accept(TCP_ACCEPT_SIG) throw() { Mutex::Lock _l(_lock); return _tcp_accept(pcb,accept); } + inline struct tcp_pcb * tcp_listen(TCP_LISTEN_SIG) throw() { Mutex::Lock _l(_lock); return _tcp_listen(pcb); } + inline struct tcp_pcb * tcp_listen_with_backlog(TCP_LISTEN_WITH_BACKLOG_SIG) throw() { Mutex::Lock _l(_lock); return _tcp_listen_with_backlog(pcb,backlog); } + inline err_t tcp_bind(TCP_BIND_SIG) throw() { Mutex::Lock _l(_lock); return _tcp_bind(pcb,ipaddr,port); } + inline void etharp_tmr(void) throw() { Mutex::Lock _l(_lock); return _etharp_tmr(); } + inline void tcp_tmr(void) throw() { Mutex::Lock _l(_lock); return _tcp_tmr(); } + inline u8_t pbuf_free(PBUF_FREE_SIG) throw() { Mutex::Lock _l(_lock); return _pbuf_free(p); } + inline struct pbuf * pbuf_alloc(PBUF_ALLOC_SIG) throw() { Mutex::Lock _l(_lock); return _pbuf_alloc(layer,length,type); } + inline u16_t lwip_htons(LWIP_HTONS_SIG) throw() { Mutex::Lock _l(_lock); return _lwip_htons(x); } + inline u16_t lwip_ntohs(LWIP_NTOHS_SIG) throw() { Mutex::Lock _l(_lock); return _lwip_ntohs(x); } + inline char* ipaddr_ntoa(IPADDR_NTOA_SIG) throw() { Mutex::Lock _l(_lock); return _ipaddr_ntoa(addr); } + inline err_t etharp_output(ETHARP_OUTPUT_SIG) throw() { Mutex::Lock _l(_lock); return _etharp_output(netif,q,ipaddr); } + inline err_t ethernet_input(ETHERNET_INPUT_SIG) throw() { Mutex::Lock _l(_lock); return _ethernet_input(p,netif); } + inline void tcp_input(TCP_INPUT_SIG) throw() { Mutex::Lock _l(_lock); return _tcp_input(p,inp); } + inline err_t ip_input(IP_INPUT_SIG) throw() { Mutex::Lock _l(_lock); return _ip_input(p,inp); } + + inline void netif_set_default(NETIF_SET_DEFAULT_SIG) throw() { Mutex::Lock _l(_lock); return _netif_set_default(netif); } + inline struct netif * netif_add(NETIF_ADD_SIG) throw() { Mutex::Lock _l(_lock); return _netif_add(netif,ipaddr,netmask,gw,state,init,input); } + inline void netif_set_up(NETIF_SET_UP_SIG) throw() { Mutex::Lock _l(_lock); return _netif_set_up(netif); } + inline void netif_poll(NETIF_POLL_SIG) throw() { Mutex::Lock _l(_lock); return _netif_poll(netif); } }; +} // namespace ZeroTier + #endif |