int CWWTPSendFrame(unsigned char *buf, int len){
int FRAME_80211_LEN=24;
int gRawSockLocal;
struct sockaddr_ll addr;
if ((gRawSockLocal=socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL)))<0) {
CWDebugLog("THR FRAME: Error creating socket");
CWExitThread();
}
memset(&addr, 0, sizeof(addr));
addr.sll_family = AF_PACKET;
// addr.sll_protocol = htons(ETH_P_ALL);
// addr.sll_pkttype = PACKET_HOST;
addr.sll_ifindex = if_nametoindex("monitor0"); //if_nametoindex(gRadioInterfaceName_0);
if ((bind(gRawSockLocal, (struct sockaddr*)&addr, sizeof(addr)))<0) {
CWDebugLog("THR FRAME: Error binding socket");
CWExitThread();
}
if( send(gRawSockLocal, buf + FRAME_80211_LEN, len - FRAME_80211_LEN,0) < 1 ){
CWDebugLog("Error to send frame on raw socket");
return -1;
}
CWDebugLog("Send (%d) bytes on raw socket",len - FRAME_80211_LEN);
return 1;
}
CW_THREAD_RETURN_TYPE CWWTPFreqManager(void *arg) {
int recSock, rlen;
struct sockaddr_in servaddr, client_addr;
socklen_t slen = sizeof(client_addr);
char buffer[PACKET_SIZE];
OFDMControlValues* freqValue;
int current_chan=0;
CWProtocolMessage *completeMsgPtr = NULL;
CWThreadSetSignals(SIG_BLOCK, 1, SIGALRM);
/* Create an Inet UDP socket for this thread (Receive freq/ack packets) */
if ((recSock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) {
CWDebugLog("Thread Frequency Management: Error creating socket");
CWExitThread();
}
/* Set up address structure for server socket */
servaddr.sin_family = AF_INET;
servaddr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
servaddr.sin_port = htons(SERVER_PORT);
/* Binding Socket */
if (bind(recSock, (struct sockaddr *) &servaddr, sizeof(struct sockaddr_in)) < 0) {
CWDebugLog("Thread Frequency Management: Binding Socket Error");
close(recSock);
CWExitThread();
}
CW_REPEAT_FOREVER /* Receive data Loop */
{
memset(buffer, 0, PACKET_SIZE);
rlen = 0;
if ( ( rlen = recvfrom(recSock, buffer, PACKET_SIZE, 0, (struct sockaddr *) &client_addr, &slen) ) > 0 )
{
freqValue = (OFDMControlValues*) buffer;
current_chan = freqValue->currentChan;
if(!CWSetCurrentChannel(current_chan)) {
CWLog("Thread Frequency Management: Failed to set current channel value.");
continue;
}
}
}
CWDebugLog("Thread Frequency Management: Thread ended unexpectedly!!");
close(recSock);
CWExitThread();
}
CW_THREAD_RETURN_TYPE CWWTPReceiveFreqStats(void *arg)
{
int recSock, rlen, k, fragmentsNum = 0;
struct sockaddr_in servaddr, client_addr;
socklen_t slen = sizeof(client_addr);
char buffer[PACKET_SIZE];
CWProtocolMessage *completeMsgPtr = NULL;
CWProtocolMessage *data = NULL;
CWBindingTransportHeaderValues *bindingValuesPtr = NULL;
CWThreadSetSignals(SIG_BLOCK, 1, SIGALRM);
/* Create an Inet UDP socket for this thread (Receive freq/ack packets) */
if ( ( recSock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP) ) < 0 ) {
CWDebugLog("Thread Frequency Receive Stats: Error creating socket");
CWExitThread();
}
/* Set up address structure for server socket */
servaddr.sin_family = AF_INET;
servaddr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
servaddr.sin_port = htons(SERVER_PORT);
/* Binding Socket */
if ( bind(recSock, (struct sockaddr *) &servaddr, sizeof(struct sockaddr_in)) < 0 ) {
CWDebugLog("Thread Frequency Receive Stats: Binding Socket Error");
close(recSock);
CWExitThread();
}
CW_REPEAT_FOREVER /* Receive data Loop */
{
memset(buffer, 0, PACKET_SIZE);
fragmentsNum = 0;
k = 0;
rlen = 0;
if ( ( rlen = recvfrom(recSock, buffer, PACKET_SIZE, 0, (struct sockaddr *) &client_addr, &slen) ) > 0 )
{
/* Creation of stats/ack message for AC */
CW_CREATE_OBJECT_ERR(data, CWProtocolMessage, return 0;);
CW_CREATE_PROTOCOL_MESSAGE(*data, rlen, return 0;);
void CW80211ManagementFrameEvent(struct nl_handle **handleMgmt, cw_sock_handler handler, void * cb, struct WTPBSSInfo * BSSInfo)
{
//Set file descriptor of socket to non-blocking state
nl_socket_set_nonblocking(*handleMgmt);
int nlSocketFDmgmt = nl_socket_get_fd(*handleMgmt);
CWBool exitThread=CW_FALSE;
while(1)
{
//On delete BSS
CWThreadMutexLock(&(BSSInfo->bssMutex));
exitThread = BSSInfo->destroyBSS;
CWThreadMutexUnlock(&(BSSInfo->bssMutex));
if(exitThread == CW_TRUE)
CWExitThread();
int result;
fd_set readset;
do {
FD_ZERO(&readset);
FD_SET(nlSocketFDmgmt, &readset);
result = select(nlSocketFDmgmt + 1, &readset, NULL, NULL, NULL);
} while (result == -1 && errno == EINTR);
if (result > 0) {
if (FD_ISSET(nlSocketFDmgmt, &readset)) {
handler(cb, (*handleMgmt));
}
}
else if (result < 0) {
CWLog("Error on select(): %s", strerror(errno));
}
}
}
