void ConnectedSocket::setup() {
_fd = -1;
_id = 0;
_parent = NULL;
_pending_delete = false;
connlist_add(this);
}
errorcode helper_fsm_start(connlist_t *list, connlist_item_t *item) {
/* declare variables */
errorcode ret;
/* error check arguments */
CHECK_NOT_NULL(list,ERROR_NULL_ARG_1);
CHECK_NOT_NULL(item,ERROR_NULL_ARG_2);
/* do function */
/* set initial values */
item->info.port_alloc.method = COMM_PORT_ALLOC_UNKNOWN;
item->info.port_alloc.method_set = FLAG_UNSET;
item->info.port_alloc.ext_port = PORT_UNKNOWN;
item->info.port_alloc.ext_port_set = FLAG_UNSET;
item->info.peer.ip = IP_UNKNOWN;
item->info.peer.port = PORT_UNKNOWN;
item->info.peer.set = FLAG_UNSET;
item->info.buddy.ext_ip = IP_UNKNOWN;
item->info.buddy.ext_port = PORT_UNKNOWN;
item->info.buddy.int_ip = IP_UNKNOWN;
item->info.buddy.int_port = PORT_UNKNOWN;
item->info.buddy.identifier = FLAG_UNSET;
item->info.buddy.ext_port_set = FLAG_UNSET;
item->info.buddy_syn.seq_num = SEQ_NUM_UNKNOWN;
item->info.buddy_syn.seq_num_set = FLAG_UNSET;
item->info.bday.seq_num = SEQ_NUM_UNKNOWN;
item->info.bday.seq_num_set = FLAG_UNSET;
item->info.bday.port = PORT_UNKNOWN;
item->info.bday.port_set = FLAG_UNSET;
item->info.bday.status = FLAG_UNSET;
/* add info to the list */
if(FAILED(connlist_add(list,item))) {
/* close the socket */
close(item->info.socks.peer);
return ERROR_LIST_ADD;
}
DEBUG(DBG_LIST,"LIST:item Watchers: %d\n",(int)item->watchers);
/* call next state */
ret = helper_fsm_hello(list,item);
if (FAILED(ret)) {
if (ret==ERROR_NETWORK_READ){
DEBUG(DBG_PROTOCOL,"PROTOCOL:no hello message\n");
}
/* close the socket */
close(item->info.socks.peer);
/* if the state fails, remove the list item */
CHECK_FAILED(connlist_forget(list,connlist_item_match,item),
ERROR_LIST_REMOVE_1);
return ERROR_CALLED_FUNCTION;
}
/* close the socket */
close(item->info.socks.peer);
CHECK_FAILED(connlist_forget(list,connlist_item_match,item),
ERROR_LIST_REMOVE_2);
return SUCCESS;
}
static int do_discover_conn(struct conn * conn,struct discovery_info * di)
{
rand_sleep(conf_max_discovery_interval);
struct wtpinfo * wtpinfo;
wtpinfo = get_wtpinfo();
// wtpinfo_print(wtpinfo);
// struct timespec tstart,tcur;
struct radioinfo ri;
memset(&ri,0,sizeof(ri));
ri.rmac[0]=6;
ri.rmac[2]=14;
ri.rmac[3]=14;
ri.rmac[4]=14;
ri.rmac[5]=14;
ri.rmac[6]=14;
ri.rmac[7]=14;
#ifdef WITH_CW_LOG_DEBUG
char str[100];
sock_addrtostr((struct sockaddr*)&conn->addr,str,100);
cw_log_debug0("Sending discovery request to %s",str);
#endif
int rc;
do {
rc = cwsend_discovery_request(conn,&ri,wtpinfo);
if (rc<0){
if (errno == EINTR)
continue;
if (errno == EMSGSIZE){
conn->mtu-=4;
cw_log_debug2("Setting mtu to %i",conn->mtu);
continue;
}
}
break;
}while (rc<0);
if (rc < 0 )
{
char str[100];
sock_addrtostr((struct sockaddr*)&conn->addr,str,100);
cw_log(LOG_ERR,"Error sending discovery request to %s: %s",str,strerror(errno));
return 0;
}
struct connlist * connlist;
connlist = connlist_create(30);
// clock_gettime(CLOCK_REALTIME,&tstart);
//
int tstart = time(0);
int treset = 0;
do {
char buf[2048];
int buflen=2048;
struct sockaddr_storage sa;
socklen_t fromlen=sizeof(struct sockaddr_storage);
rc = recvfrom(conn->sock,buf,buflen,0,(struct sockaddr*)&sa,&fromlen);
if (rc<0){
if (errno==EINTR)
rc=0;
if (errno==EAGAIN)
rc=0;
if (errno==EWOULDBLOCK)
rc=0;
}
if (rc>0) {
#ifdef WITH_CW_LOG_DEBUG
char str[100];
sock_addrtostr((struct sockaddr*)&sa,str,100);
cw_log_debug0("Received packet from %s",str);
#endif
struct conn * rconn;
rconn = connlist_get(connlist,(struct sockaddr*)&sa);
if (!rconn){
rconn = conn_create_noq(conn->sock,(struct sockaddr*)&sa); //msg_cb,NULL,0);
// rconn->pmsgarg=conn->pmsgarg;
rconn->mtu = conn->mtu;
rconn->seqnum=conn->seqnum;
connlist_add(connlist,rconn);
}
conn_process_packet(rconn,(uint8_t*)buf,rc,msg_cb,di);
}
/* reset discovery timer after we have received the first response */
if ( di->response_count == 1 && !treset ){
tstart=time(0);
treset=1;
}
//clock_gettime(CLOCK_REALTIME,&tcur);
// printf("TTSub: %i %i\n",time(0)-tstart, conf_discovery_interval);
}while(time(0)-tstart < conf_discovery_interval && rc>=0 );
if (rc <0){
char str[100];
sock_addrtostr((struct sockaddr*)&conn->addr,str,100);
cw_log(LOG_ERR,"Error sendings discovery request to %s: %s",str,strerror(errno));
}
connlist_destroy(connlist);
return 1;
}
struct wtpman * wtplist_add(struct wtpman * wtpman)
{
wtpman->conn->data=wtpman;
return (struct wtpman*)connlist_add(connlist,wtpman->conn);
}
