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...
...
...
#define NX_SOURCE_CODE
#include "nx_api.h"
#include "nx_ip.h"
#include "nx_udp.h"
#include "nx_packet.h"
NX_CALLER_CHECKING_EXTERNS
...
...
UINT _nxe_udp_socket_source_send(NX_UDP_SOCKET *socket_ptr, NX_PACKET **packet_ptr_ptr,
ULONG ip_address, UINT port, UINT address_index)
{
#ifndef NX_DISABLE_IPV4
NX_PACKET *packet_ptr;
UINT status;
NX_IP *ip_ptr;
packet_ptr = *packet_ptr_ptr;
if ((socket_ptr == NX_NULL) || (packet_ptr == NX_NULL))
{
return(NX_PTR_ERROR);
}if ((socket_ptr == NX_NULL) || (packet_ptr == NX_NULL)) { ... }
if ((socket_ptr -> nx_udp_socket_id != NX_UDP_ID) ||
(packet_ptr -> nx_packet_union_next.nx_packet_tcp_queue_next != ((NX_PACKET *)NX_PACKET_ALLOCATED)))
{
return(NX_PTR_ERROR);
}if ((socket_ptr -> nx_udp_socket_id != NX_UDP_ID) || (packet_ptr -> nx_packet_union_next.nx_packet_tcp_queue_next != ((NX_PACKET *)NX_PACKET_ALLOCATED))) { ... }
if (!ip_address)
{
return(NX_IP_ADDRESS_ERROR);
}if (!ip_address) { ... }
if (((ULONG)port) > (ULONG)NX_MAX_PORT)
{
return(NX_INVALID_PORT);
}if (((ULONG)port) > (ULONG)NX_MAX_PORT) { ... }
ip_ptr = socket_ptr -> nx_udp_socket_ip_ptr;
if (ip_ptr == NX_NULL)
{
return(NX_PTR_ERROR);
}if (ip_ptr == NX_NULL) { ... }
if (!ip_ptr -> nx_ip_udp_packet_receive)
{
return(NX_NOT_ENABLED);
}if (!ip_ptr -> nx_ip_udp_packet_receive) { ... }
if (ip_ptr -> nx_ip_id != NX_IP_ID)
{
return(NX_PTR_ERROR);
}if (ip_ptr -> nx_ip_id != NX_IP_ID) { ... }
if (address_index >= NX_MAX_IP_INTERFACES)
{
return(NX_INVALID_INTERFACE);
}if (address_index >= NX_MAX_IP_INTERFACES) { ... }
if (!(ip_ptr -> nx_ip_interface[address_index].nx_interface_valid))
{
return(NX_INVALID_INTERFACE);
}if (!(ip_ptr -> nx_ip_interface[address_index].nx_interface_valid)) { ... }
if ((INT)(packet_ptr -> nx_packet_prepend_ptr - packet_ptr -> nx_packet_data_start) < (INT)(sizeof(NX_IPV4_HEADER) + sizeof(NX_UDP_HEADER)))
{
#ifndef NX_DISABLE_UDP_INFO
(socket_ptr -> nx_udp_socket_ip_ptr) -> nx_ip_udp_invalid_packets++;
socket_ptr -> nx_udp_socket_invalid_packets++;/* ... */
#endif
return(NX_UNDERFLOW);
}if ((INT)(packet_ptr -> nx_packet_prepend_ptr - packet_ptr -> nx_packet_data_start) < (INT)(sizeof(NX_IPV4_HEADER) + sizeof(NX_UDP_HEADER))) { ... }
if (packet_ptr -> nx_packet_append_ptr > packet_ptr -> nx_packet_data_end)
{
#ifndef NX_DISABLE_UDP_INFO
(socket_ptr -> nx_udp_socket_ip_ptr) -> nx_ip_udp_invalid_packets++;
socket_ptr -> nx_udp_socket_invalid_packets++;/* ... */
#endif
return(NX_OVERFLOW);
}if (packet_ptr -> nx_packet_append_ptr > packet_ptr -> nx_packet_data_end) { ... }
NX_THREADS_ONLY_CALLER_CHECKING
status = _nx_udp_socket_source_send(socket_ptr, packet_ptr, ip_address, port, address_index);
if (status == NX_SUCCESS)
{
/* ... */
*packet_ptr_ptr = NX_NULL;
}if (status == NX_SUCCESS) { ... }
return(status);/* ... */
#else
NX_PARAMETER_NOT_USED(socket_ptr);
NX_PARAMETER_NOT_USED(packet_ptr_ptr);
NX_PARAMETER_NOT_USED(ip_address);
NX_PARAMETER_NOT_USED(port);
NX_PARAMETER_NOT_USED(address_index);
return(NX_NOT_SUPPORTED);/* ... */
#endif
}{ ... }