/**
Create the DNS instance and initialize it.
@param[in] Service The pointer to the DNS service.
@param[out] Instance The pointer to the DNS instance.
@retval EFI_OUT_OF_RESOURCES Failed to allocate resources.
@retval EFI_SUCCESS The DNS instance is created.
**/
EFI_STATUS
DnsCreateInstance (
IN DNS_SERVICE *Service,
OUT DNS_INSTANCE **Instance
)
{
DNS_INSTANCE *DnsIns;
*Instance = NULL;
DnsIns = AllocateZeroPool (sizeof (DNS_INSTANCE));
if (DnsIns == NULL) {
return EFI_OUT_OF_RESOURCES;
}
DnsIns->Signature = DNS_INSTANCE_SIGNATURE;
InitializeListHead (&DnsIns->Link);
DnsIns->State = DNS_STATE_UNCONFIGED;
DnsIns->InDestroy = FALSE;
DnsIns->Service = Service;
if (Service->IpVersion == IP_VERSION_4) {
CopyMem (&DnsIns->Dns4, &mDns4Protocol, sizeof (DnsIns->Dns4));
NetMapInit (&DnsIns->Dns4TxTokens);
} else {
CopyMem (&DnsIns->Dns6, &mDns6Protocol, sizeof (DnsIns->Dns6));
NetMapInit (&DnsIns->Dns6TxTokens);
}
DnsIns->UdpIo = UdpIoCreateIo (
Service->ControllerHandle, /// NicHandle
Service->ImageHandle,
DnsConfigNullUdp,
Service->IpVersion,
DnsIns
);
if (DnsIns->UdpIo == NULL) {
FreePool (DnsIns);
return EFI_OUT_OF_RESOURCES;
}
*Instance = DnsIns;
return EFI_SUCCESS;
}
/**
Intiialize the HTTP_PROTOCOL structure to the unconfigured state.
@param[in] HttpSb The HTTP service private instance.
@param[in, out] HttpInstance Pointer to HTTP_PROTOCOL structure.
@retval EFI_SUCCESS HTTP_PROTOCOL structure is initialized successfully.
@retval Others Other error as indicated.
**/
EFI_STATUS
HttpInitProtocol (
IN HTTP_SERVICE *HttpSb,
IN OUT HTTP_PROTOCOL *HttpInstance
)
{
EFI_STATUS Status;
VOID *Interface;
ASSERT ((HttpSb != NULL) && (HttpInstance != NULL));
HttpInstance->Signature = HTTP_PROTOCOL_SIGNATURE;
CopyMem (&HttpInstance->Http, &mEfiHttpTemplate, sizeof (HttpInstance->Http));
HttpInstance->Service = HttpSb;
//
// Create TCP child.
//
Status = NetLibCreateServiceChild (
HttpInstance->Service->ControllerHandle,
HttpInstance->Service->ImageHandle,
&gEfiTcp4ServiceBindingProtocolGuid,
&HttpInstance->TcpChildHandle
);
if (EFI_ERROR (Status)) {
goto ON_ERROR;
}
Status = gBS->OpenProtocol (
HttpInstance->TcpChildHandle,
&gEfiTcp4ProtocolGuid,
(VOID **) &Interface,
HttpInstance->Service->ImageHandle,
HttpInstance->Service->ControllerHandle,
EFI_OPEN_PROTOCOL_BY_DRIVER
);
if (EFI_ERROR (Status)) {
goto ON_ERROR;
}
Status = gBS->OpenProtocol (
HttpInstance->TcpChildHandle,
&gEfiTcp4ProtocolGuid,
(VOID **) &HttpInstance->Tcp4,
HttpInstance->Service->ImageHandle,
HttpInstance->Handle,
EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
);
if (EFI_ERROR(Status)) {
goto ON_ERROR;
}
HttpInstance->Url = AllocateZeroPool (HTTP_URL_BUFFER_LEN);
if (HttpInstance->Url == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto ON_ERROR;
}
NetMapInit (&HttpInstance->TxTokens);
NetMapInit (&HttpInstance->RxTokens);
return EFI_SUCCESS;
ON_ERROR:
if (HttpInstance->TcpChildHandle != NULL) {
gBS->CloseProtocol (
HttpInstance->TcpChildHandle,
&gEfiTcp4ProtocolGuid,
HttpInstance->Service->ImageHandle,
HttpInstance->Service->ControllerHandle
);
gBS->CloseProtocol (
HttpInstance->TcpChildHandle,
&gEfiTcp4ProtocolGuid,
HttpInstance->Service->ImageHandle,
HttpInstance->Handle
);
NetLibDestroyServiceChild (
HttpInstance->Service->ControllerHandle,
HttpInstance->Service->ImageHandle,
&gEfiTcp4ServiceBindingProtocolGuid,
HttpInstance->TcpChildHandle
);
}
return Status;
}