int main(int argc, char *argv[]) {
printf("SIP layer is starting, pls wait...\n");
//初始化全局变量
nct = nbrcosttable_create();//邻居代价表
dv = dvtable_create();//距离矢量表
dv_mutex = (pthread_mutex_t*)malloc(sizeof(pthread_mutex_t));//距离矢量表互斥变量
pthread_mutex_init(dv_mutex,NULL);
routingtable = routingtable_create();//路由表
routingtable_mutex = (pthread_mutex_t*)malloc(sizeof(pthread_mutex_t));//路由表互斥变量
pthread_mutex_init(routingtable_mutex,NULL);
son_conn = -1;
stcp_conn = -1;
nbrcosttable_print(nct);
dvtable_print(dv);
routingtable_print(routingtable);
//注册用于终止进程的信号句柄
signal(SIGINT, sip_stop);
//连接到本地SON进程
son_conn = connectToSON();
if(son_conn<0) {
printf("can't connect to SON process\n");
exit(1);
}
//启动线程处理来自SON进程的进入报文
pthread_t pkt_handler_thread;
pthread_create(&pkt_handler_thread,NULL,pkthandler,(void*)0);
//启动路由更新线程
pthread_t routeupdate_thread;
pthread_create(&routeupdate_thread,NULL,routeupdate_daemon,(void*)0);
printf("SIP layer is started...\n");
printf("waiting for routes to be established\n");
sleep(SIP_WAITTIME);
nbrcosttable_print(nct);
dvtable_print(dv);
routingtable_print(routingtable);
//等待来自STCP进程的连接
printf("waiting for connection from STCP process\n");
waitSTCP();
}
int main()
{
dv_t* dv_table;
routingtable_t* route_table;
nbr_cost_entry_t* nbr_ct;
nbr_ct = nbrcosttable_create();
nbrcosttable_print(nbr_ct);
printf("--------------- create dv table--------------------\n");
dv_table = dvtable_create();
printf("--------------- create dv table--------------------\n");
dvtable_print(dv_table);
printf("--------------- create route table--------------------\n");
route_table = routingtable_create();
printf("--------------- create route table--------------------\n");
routingtable_print(route_table);
nbrcosttable_destroy(nbr_ct);
dvtable_destroy(dv_table);
routingtable_destroy(route_table);
return 0;
}