ssize_t nabto_read( nabto_socket_t socket,
uint8_t* buf,
size_t len,
uint32_t* addr,
uint16_t* port )
{
int res;
struct freertos_sockaddr xAddress;
socklen_t xAddresslen = sizeof(xAddress);
memset( &xAddress, 0, sizeof( xAddress ) );
res = FreeRTOS_recvfrom( socket, buf, ( int ) len , 0, &xAddress, &xAddresslen );
if( res > 0 )
{
*addr = FreeRTOS_htonl( xAddress.sin_addr );
*port = FreeRTOS_htons( xAddress.sin_port );
}
else
{
res = 0;
}
return res;
}
static void prvSwapFields( struct SNtpPacket *pxPacket)
{
/* NTP messages are big-endian */
pxPacket->rootDelay = FreeRTOS_htonl( pxPacket->rootDelay );
pxPacket->rootDispersion = FreeRTOS_htonl( pxPacket->rootDispersion );
pxPacket->referenceTimestamp.seconds = FreeRTOS_htonl( pxPacket->referenceTimestamp.seconds );
pxPacket->referenceTimestamp.fraction = FreeRTOS_htonl( pxPacket->referenceTimestamp.fraction );
pxPacket->originateTimestamp.seconds = FreeRTOS_htonl( pxPacket->originateTimestamp.seconds );
pxPacket->originateTimestamp.fraction = FreeRTOS_htonl( pxPacket->originateTimestamp.fraction );
pxPacket->receiveTimestamp.seconds = FreeRTOS_htonl( pxPacket->receiveTimestamp.seconds );
pxPacket->receiveTimestamp.fraction = FreeRTOS_htonl( pxPacket->receiveTimestamp.fraction );
pxPacket->transmitTimestamp.seconds = FreeRTOS_htonl( pxPacket->transmitTimestamp.seconds );
pxPacket->transmitTimestamp.fraction = FreeRTOS_htonl( pxPacket->transmitTimestamp.fraction );
}
ssize_t nabto_write( nabto_socket_t socket,
const uint8_t* buf,
size_t len,
uint32_t addr,
uint16_t port )
{
int res;
struct freertos_sockaddr xAddress;
memset( &xAddress, 0, sizeof( xAddress ) );
xAddress.sin_addr = FreeRTOS_htonl( addr );
xAddress.sin_port = FreeRTOS_htons( port );
res = FreeRTOS_sendto( socket, buf, ( int )len, 0, ( struct freertos_sockaddr * ) &xAddress, sizeof( xAddress ) );
return res;
}
bool nabto_init_socket( uint32_t localAddr, uint16_t* localPort, nabto_socket_t* socketDescriptor )
{
int to = 0;
struct freertos_sockaddr xAddress, *pxAddressToUse;
bool bReturn = true;
if (MAX_SOCKETS <= nSockets)
{
bReturn = false;
}
else
{
*socketDescriptor = FreeRTOS_socket( FREERTOS_AF_INET, FREERTOS_SOCK_DGRAM, FREERTOS_IPPROTO_UDP );
if( NULL == *socketDescriptor )
{
bReturn = false;
}
else
{
memset( &xAddress, 0, sizeof( xAddress ) );
xAddress.sin_addr = FreeRTOS_htonl( localAddr );
xAddress.sin_port = FreeRTOS_htons( *localPort );
pxAddressToUse = &xAddress;
if( 0 > FreeRTOS_bind(*socketDescriptor, pxAddressToUse, sizeof( xAddress ) ) )
{
FreeRTOS_closesocket( *socketDescriptor );
bReturn = false;
}
else
{
/* Set receive time out to 0. Timeouts are performed using a
select() call. */
FreeRTOS_setsockopt( *socketDescriptor, 0, FREERTOS_SO_RCVTIMEO, &to, sizeof( to ) );
activeSockets[nSockets++] = *socketDescriptor;
}
*localPort = FreeRTOS_htons( xAddress.sin_port );
}
}
return bReturn;
}
nabto_dns_status_t nabto_dns_is_resolved( const char *id, uint32_t* v4addr )
{
uint32_t addr;
nabto_dns_status_t status;
addr = FreeRTOS_gethostbyname( id );
if( 0 == addr )
{
status = NABTO_DNS_ERROR;
}
else
{
*v4addr = FreeRTOS_htonl(addr);
status = NABTO_DNS_OK;
}
return status;
}
