+++ /dev/null
-/** @file\r
- Interface function of the Socket.\r
-\r
-Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>\r
-This program and the accompanying materials\r
-are licensed and made available under the terms and conditions of the BSD License\r
-which accompanies this distribution. The full text of the license may be found at\r
-http://opensource.org/licenses/bsd-license.php<BR>\r
-\r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-\r
-**/\r
-\r
-\r
-#include "SockImpl.h"\r
-\r
-\r
-/**\r
- Check whether the Event is in the List.\r
-\r
- @param List Pointer to the token list to be searched.\r
- @param Event The event to be checked.\r
-\r
- @retval TRUE The specific Event exists in the List.\r
- @retval FALSE The specific Event is not in the List.\r
-\r
-**/\r
-BOOLEAN\r
-SockTokenExistedInList (\r
- IN LIST_ENTRY *List,\r
- IN EFI_EVENT Event\r
- )\r
-{\r
- LIST_ENTRY *ListEntry;\r
- SOCK_TOKEN *SockToken;\r
-\r
- NET_LIST_FOR_EACH (ListEntry, List) {\r
- SockToken = NET_LIST_USER_STRUCT (\r
- ListEntry,\r
- SOCK_TOKEN,\r
- TokenList\r
- );\r
-\r
- if (Event == SockToken->Token->Event) {\r
- return TRUE;\r
- }\r
- }\r
-\r
- return FALSE;\r
-}\r
-\r
-\r
-/**\r
- Call SockTokenExistedInList() to check whether the Event is\r
- in the related socket's lists.\r
-\r
- @param Sock Pointer to the instance's socket.\r
- @param Event The event to be checked.\r
-\r
- @retval TRUE The Event exists in related socket's lists.\r
- @retval FALSE The Event is not in related socket's lists.\r
-\r
-**/\r
-BOOLEAN\r
-SockTokenExisted (\r
- IN SOCKET *Sock,\r
- IN EFI_EVENT Event\r
- )\r
-{\r
-\r
- if (SockTokenExistedInList (&Sock->SndTokenList, Event) ||\r
- SockTokenExistedInList (&Sock->ProcessingSndTokenList, Event) ||\r
- SockTokenExistedInList (&Sock->RcvTokenList, Event) ||\r
- SockTokenExistedInList (&Sock->ListenTokenList, Event)) {\r
-\r
- return TRUE;\r
- }\r
-\r
- if ((Sock->ConnectionToken != NULL) &&\r
- (Sock->ConnectionToken->Event == Event)) {\r
-\r
- return TRUE;\r
- }\r
-\r
- if ((Sock->CloseToken != NULL) && (Sock->CloseToken->Event == Event)) {\r
- return TRUE;\r
- }\r
-\r
- return FALSE;\r
-}\r
-\r
-\r
-/**\r
- Buffer a token into the specific list of socket Sock.\r
-\r
- @param Sock Pointer to the instance's socket.\r
- @param List Pointer to the list to store the token.\r
- @param Token Pointer to the token to be buffered.\r
- @param DataLen The data length of the buffer contained in Token.\r
-\r
- @return Pointer to the token that wraps Token. If NULL, error condition occurred.\r
-\r
-**/\r
-SOCK_TOKEN *\r
-SockBufferToken (\r
- IN SOCKET *Sock,\r
- IN LIST_ENTRY *List,\r
- IN VOID *Token,\r
- IN UINT32 DataLen\r
- )\r
-{\r
- SOCK_TOKEN *SockToken;\r
-\r
- SockToken = AllocatePool (sizeof (SOCK_TOKEN));\r
- if (NULL == SockToken) {\r
-\r
- DEBUG ((EFI_D_ERROR, "SockBufferIOToken: No Memory "\r
- "to allocate SockToken\n"));\r
-\r
- return NULL;\r
- }\r
-\r
- SockToken->Sock = Sock;\r
- SockToken->Token = (SOCK_COMPLETION_TOKEN *) Token;\r
- SockToken->RemainDataLen = DataLen;\r
- InsertTailList (List, &SockToken->TokenList);\r
-\r
- return SockToken;\r
-}\r
-\r
-\r
-/**\r
- Destroy the socket Sock and its associated protocol control block.\r
-\r
- @param Sock The socket to be destroyed.\r
-\r
- @retval EFI_SUCCESS The socket Sock is destroyed successfully.\r
- @retval EFI_ACCESS_DENIED Failed to get the lock to access the socket.\r
-\r
-**/\r
-EFI_STATUS\r
-SockDestroyChild (\r
- IN SOCKET *Sock\r
- )\r
-{\r
- EFI_STATUS Status;\r
- TCP4_PROTO_DATA *ProtoData;\r
- TCP_CB *Tcb;\r
- VOID *SockProtocol;\r
-\r
- ASSERT ((Sock != NULL) && (Sock->ProtoHandler != NULL));\r
-\r
- if (Sock->InDestroy) {\r
- return EFI_SUCCESS;\r
- }\r
-\r
- Sock->InDestroy = TRUE;\r
-\r
- ProtoData = (TCP4_PROTO_DATA *) Sock->ProtoReserved;\r
- Tcb = ProtoData->TcpPcb;\r
-\r
- ASSERT (Tcb != NULL);\r
-\r
- //\r
- // Close the IP protocol.\r
- //\r
- gBS->CloseProtocol (\r
- Tcb->IpInfo->ChildHandle,\r
- &gEfiIp4ProtocolGuid,\r
- ProtoData->TcpService->IpIo->Image,\r
- Sock->SockHandle\r
- );\r
-\r
- if (Sock->DestroyCallback != NULL) {\r
- Sock->DestroyCallback (Sock, Sock->Context);\r
- }\r
-\r
- //\r
- // Retrieve the protocol installed on this sock\r
- //\r
- Status = gBS->OpenProtocol (\r
- Sock->SockHandle,\r
- &gEfiTcp4ProtocolGuid,\r
- &SockProtocol,\r
- Sock->DriverBinding,\r
- Sock->SockHandle,\r
- EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
- );\r
-\r
- if (EFI_ERROR (Status)) {\r
-\r
- DEBUG ((EFI_D_ERROR, "SockDestroyChild: Open protocol installed "\r
- "on socket failed with %r\n", Status));\r
- }\r
-\r
- //\r
- // Uninstall the protocol installed on this sock\r
- // in the light of Sock->SockType\r
- //\r
- gBS->UninstallMultipleProtocolInterfaces (\r
- Sock->SockHandle,\r
- &gEfiTcp4ProtocolGuid,\r
- SockProtocol,\r
- NULL\r
- );\r
-\r
- Status = EfiAcquireLockOrFail (&(Sock->Lock));\r
- if (EFI_ERROR (Status)) {\r
-\r
- DEBUG ((EFI_D_ERROR, "SockDestroyChild: Get the lock to "\r
- "access socket failed with %r\n", Status));\r
-\r
- return EFI_ACCESS_DENIED;\r
- }\r
-\r
- //\r
- // force protocol layer to detach the PCB\r
- //\r
- Status = Sock->ProtoHandler (Sock, SOCK_DETACH, NULL);\r
-\r
- if (EFI_ERROR (Status)) {\r
-\r
- DEBUG ((EFI_D_ERROR, "SockDestroyChild: Protocol detach socket"\r
- " failed with %r\n", Status));\r
-\r
- Sock->InDestroy = FALSE;\r
- } else if (SOCK_IS_CONFIGURED (Sock)) {\r
-\r
- SockConnFlush (Sock);\r
- SockSetState (Sock, SO_CLOSED);\r
-\r
- Sock->ConfigureState = SO_UNCONFIGURED;\r
- }\r
-\r
- EfiReleaseLock (&(Sock->Lock));\r
-\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
-\r
- SockDestroy (Sock);\r
- return EFI_SUCCESS;\r
-}\r
-\r
-\r
-/**\r
- Create a socket and its associated protocol control block\r
- with the intial data SockInitData and protocol specific\r
- data ProtoData.\r
-\r
- @param SockInitData Inital data to setting the socket.\r
-\r
- @return Pointer to the newly created socket. If NULL, error condition occured.\r
-\r
-**/\r
-SOCKET *\r
-SockCreateChild (\r
- IN SOCK_INIT_DATA *SockInitData\r
- )\r
-{\r
- SOCKET *Sock;\r
- VOID *SockProtocol;\r
- EFI_STATUS Status;\r
-\r
- //\r
- // create a new socket\r
- //\r
- Sock = SockCreate (SockInitData);\r
- if (NULL == Sock) {\r
-\r
- DEBUG ((EFI_D_ERROR, "SockCreateChild: No resource to "\r
- "create a new socket\n"));\r
-\r
- return NULL;\r
- }\r
-\r
- Status = EfiAcquireLockOrFail (&(Sock->Lock));\r
- if (EFI_ERROR (Status)) {\r
-\r
- DEBUG ((EFI_D_ERROR, "SockCreateChild: Get the lock to "\r
- "access socket failed with %r\n", Status));\r
-\r
- goto ERROR;\r
- }\r
- //\r
- // inform the protocol layer to attach the socket\r
- // with a new protocol control block\r
- //\r
- Status = Sock->ProtoHandler (Sock, SOCK_ATTACH, NULL);\r
- EfiReleaseLock (&(Sock->Lock));\r
- if (EFI_ERROR (Status)) {\r
-\r
- DEBUG ((EFI_D_ERROR, "SockCreateChild: Protocol failed to"\r
- " attach a socket with %r\n", Status));\r
-\r
- goto ERROR;\r
- }\r
-\r
- return Sock;\r
-\r
-ERROR:\r
-\r
- if (Sock->DestroyCallback != NULL) {\r
- Sock->DestroyCallback (Sock, Sock->Context);\r
- }\r
-\r
- gBS->OpenProtocol (\r
- Sock->SockHandle,\r
- &gEfiTcp4ProtocolGuid,\r
- &SockProtocol,\r
- Sock->DriverBinding,\r
- Sock->SockHandle,\r
- EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
- );\r
- //\r
- // Uninstall the protocol installed on this sock\r
- //\r
- gBS->UninstallMultipleProtocolInterfaces (\r
- Sock->SockHandle,\r
- &gEfiTcp4ProtocolGuid,\r
- SockProtocol,\r
- NULL\r
- );\r
- SockDestroy (Sock);\r
- return NULL;\r
-}\r
-\r
-\r
-/**\r
- Configure the specific socket Sock using configuration data ConfigData.\r
-\r
- @param Sock Pointer to the socket to be configured.\r
- @param ConfigData Pointer to the configuration data.\r
-\r
- @retval EFI_SUCCESS The socket is configured successfully.\r
- @retval EFI_ACCESS_DENIED Failed to get the lock to access the socket or the\r
- socket is already configured.\r
-\r
-**/\r
-EFI_STATUS\r
-SockConfigure (\r
- IN SOCKET *Sock,\r
- IN VOID *ConfigData\r
- )\r
-{\r
- EFI_STATUS Status;\r
-\r
- Status = EfiAcquireLockOrFail (&(Sock->Lock));\r
- if (EFI_ERROR (Status)) {\r
-\r
- DEBUG ((EFI_D_ERROR, "SockConfigure: Get the access for "\r
- "socket failed with %r", Status));\r
-\r
- return EFI_ACCESS_DENIED;\r
- }\r
-\r
- if (SOCK_IS_CONFIGURED (Sock)) {\r
- Status = EFI_ACCESS_DENIED;\r
- goto OnExit;\r
- }\r
-\r
- ASSERT (Sock->State == SO_CLOSED);\r
-\r
- Status = Sock->ProtoHandler (Sock, SOCK_CONFIGURE, ConfigData);\r
-\r
-OnExit:\r
- EfiReleaseLock (&(Sock->Lock));\r
-\r
- return Status;\r
-}\r
-\r
-\r
-/**\r
- Initiate a connection establishment process.\r
-\r
- @param Sock Pointer to the socket to initiate the initate the\r
- connection.\r
- @param Token Pointer to the token used for the connection\r
- operation.\r
-\r
- @retval EFI_SUCCESS The connection is initialized successfully.\r
- @retval EFI_ACCESS_DENIED Failed to get the lock to access the socket, or the\r
- socket is closed, or the socket is not configured to\r
- be an active one, or the token is already in one of\r
- this socket's lists.\r
- @retval EFI_NO_MAPPING The IP address configuration operation is not\r
- finished.\r
- @retval EFI_NOT_STARTED The socket is not configured.\r
-\r
-**/\r
-EFI_STATUS\r
-SockConnect (\r
- IN SOCKET *Sock,\r
- IN VOID *Token\r
- )\r
-{\r
- EFI_STATUS Status;\r
- EFI_EVENT Event;\r
-\r
- Status = EfiAcquireLockOrFail (&(Sock->Lock));\r
- if (EFI_ERROR (Status)) {\r
-\r
- DEBUG ((EFI_D_ERROR, "SockConnect: Get the access for "\r
- "socket failed with %r", Status));\r
-\r
- return EFI_ACCESS_DENIED;\r
- }\r
-\r
- if (SOCK_IS_NO_MAPPING (Sock)) {\r
- Status = EFI_NO_MAPPING;\r
- goto OnExit;\r
- }\r
-\r
- if (SOCK_IS_UNCONFIGURED (Sock)) {\r
-\r
- Status = EFI_NOT_STARTED;\r
- goto OnExit;\r
- }\r
-\r
- if (!SOCK_IS_CLOSED (Sock) || !SOCK_IS_CONFIGURED_ACTIVE (Sock)) {\r
-\r
- Status = EFI_ACCESS_DENIED;\r
- goto OnExit;\r
- }\r
-\r
- Event = ((SOCK_COMPLETION_TOKEN *) Token)->Event;\r
-\r
- if (SockTokenExisted (Sock, Event)) {\r
-\r
- Status = EFI_ACCESS_DENIED;\r
- goto OnExit;\r
- }\r
-\r
- Sock->ConnectionToken = (SOCK_COMPLETION_TOKEN *) Token;\r
- SockSetState (Sock, SO_CONNECTING);\r
- Status = Sock->ProtoHandler (Sock, SOCK_CONNECT, NULL);\r
-\r
-OnExit:\r
- EfiReleaseLock (&(Sock->Lock));\r
- return Status;\r
-}\r
-\r
-\r
-/**\r
- Issue a listen token to get an existed connected network instance\r
- or wait for a connection if there is none.\r
-\r
- @param Sock Pointer to the socket to accept connections.\r
- @param Token The token to accept a connection.\r
-\r
- @retval EFI_SUCCESS Either a connection is accpeted or the Token is\r
- buffered for further acception.\r
- @retval EFI_ACCESS_DENIED Failed to get the lock to access the socket, or the\r
- socket is closed, or the socket is not configured to\r
- be a passive one, or the token is already in one of\r
- this socket's lists.\r
- @retval EFI_NO_MAPPING The IP address configuration operation is not\r
- finished.\r
- @retval EFI_NOT_STARTED The socket is not configured.\r
- @retval EFI_OUT_OF_RESOURCE Failed to buffer the Token due to memory limit.\r
-\r
-**/\r
-EFI_STATUS\r
-SockAccept (\r
- IN SOCKET *Sock,\r
- IN VOID *Token\r
- )\r
-{\r
- EFI_TCP4_LISTEN_TOKEN *ListenToken;\r
- LIST_ENTRY *ListEntry;\r
- EFI_STATUS Status;\r
- SOCKET *Socket;\r
- EFI_EVENT Event;\r
-\r
- ASSERT (SockStream == Sock->Type);\r
-\r
- Status = EfiAcquireLockOrFail (&(Sock->Lock));\r
- if (EFI_ERROR (Status)) {\r
-\r
- DEBUG ((EFI_D_ERROR, "SockAccept: Get the access for socket"\r
- " failed with %r", Status));\r
-\r
- return EFI_ACCESS_DENIED;\r
- }\r
-\r
- if (SOCK_IS_NO_MAPPING (Sock)) {\r
- Status = EFI_NO_MAPPING;\r
- goto Exit;\r
- }\r
-\r
- if (SOCK_IS_UNCONFIGURED (Sock)) {\r
-\r
- Status = EFI_NOT_STARTED;\r
- goto Exit;\r
- }\r
-\r
- if (!SOCK_IS_LISTENING (Sock)) {\r
-\r
- Status = EFI_ACCESS_DENIED;\r
- goto Exit;\r
- }\r
-\r
- Event = ((SOCK_COMPLETION_TOKEN *) Token)->Event;\r
-\r
- if (SockTokenExisted (Sock, Event)) {\r
-\r
- Status = EFI_ACCESS_DENIED;\r
- goto Exit;\r
- }\r
-\r
- ListenToken = (EFI_TCP4_LISTEN_TOKEN *) Token;\r
-\r
- //\r
- // Check if a connection has already in this Sock->ConnectionList\r
- //\r
- NET_LIST_FOR_EACH (ListEntry, &Sock->ConnectionList) {\r
-\r
- Socket = NET_LIST_USER_STRUCT (ListEntry, SOCKET, ConnectionList);\r
-\r
- if (SOCK_IS_CONNECTED (Socket)) {\r
- ListenToken->NewChildHandle = Socket->SockHandle;\r
- SIGNAL_TOKEN (&(ListenToken->CompletionToken), EFI_SUCCESS);\r
-\r
- RemoveEntryList (ListEntry);\r
-\r
- ASSERT (Socket->Parent != NULL);\r
-\r
- Socket->Parent->ConnCnt--;\r
-\r
- DEBUG (\r
- (EFI_D_NET,\r
- "SockAccept: Accept a socket, now conncount is %d",\r
- Socket->Parent->ConnCnt)\r
- );\r
- Socket->Parent = NULL;\r
-\r
- goto Exit;\r
- }\r
- }\r
-\r
- //\r
- // Buffer this token for latter incoming connection request\r
- //\r
- if (NULL == SockBufferToken (Sock, &(Sock->ListenTokenList), Token, 0)) {\r
-\r
- Status = EFI_OUT_OF_RESOURCES;\r
- }\r
-\r
-Exit:\r
- EfiReleaseLock (&(Sock->Lock));\r
-\r
- return Status;\r
-}\r
-\r
-\r
-/**\r
- Issue a token with data to the socket to send out.\r
-\r
- @param Sock Pointer to the socket to process the token with\r
- data.\r
- @param Token The token with data that needs to send out.\r
-\r
- @retval EFI_SUCCESS The token is processed successfully.\r
- @retval EFI_ACCESS_DENIED Failed to get the lock to access the socket, or the\r
- socket is closed, or the socket is not in a\r
- synchronized state , or the token is already in one\r
- of this socket's lists.\r
- @retval EFI_NO_MAPPING The IP address configuration operation is not\r
- finished.\r
- @retval EFI_NOT_STARTED The socket is not configured.\r
- @retval EFI_OUT_OF_RESOURCE Failed to buffer the token due to memory limit.\r
-\r
-**/\r
-EFI_STATUS\r
-SockSend (\r
- IN SOCKET *Sock,\r
- IN VOID *Token\r
- )\r
-{\r
- SOCK_IO_TOKEN *SndToken;\r
- EFI_EVENT Event;\r
- UINT32 FreeSpace;\r
- EFI_TCP4_TRANSMIT_DATA *TxData;\r
- EFI_STATUS Status;\r
- SOCK_TOKEN *SockToken;\r
- UINT32 DataLen;\r
-\r
- ASSERT (SockStream == Sock->Type);\r
-\r
- Status = EfiAcquireLockOrFail (&(Sock->Lock));\r
- if (EFI_ERROR (Status)) {\r
-\r
- DEBUG ((EFI_D_ERROR, "SockSend: Get the access for socket"\r
- " failed with %r", Status));\r
-\r
- return EFI_ACCESS_DENIED;\r
- }\r
-\r
- if (SOCK_IS_NO_MAPPING (Sock)) {\r
- Status = EFI_NO_MAPPING;\r
- goto Exit;\r
- }\r
-\r
- SndToken = (SOCK_IO_TOKEN *) Token;\r
- TxData = (EFI_TCP4_TRANSMIT_DATA *) SndToken->Packet.TxData;\r
-\r
- if (SOCK_IS_UNCONFIGURED (Sock)) {\r
- Status = EFI_NOT_STARTED;\r
- goto Exit;\r
- }\r
-\r
- if (!(SOCK_IS_CONNECTING (Sock) || SOCK_IS_CONNECTED (Sock))) {\r
-\r
- Status = EFI_ACCESS_DENIED;\r
- goto Exit;\r
- }\r
-\r
- //\r
- // check if a token is already in the token buffer\r
- //\r
- Event = SndToken->Token.Event;\r
-\r
- if (SockTokenExisted (Sock, Event)) {\r
- Status = EFI_ACCESS_DENIED;\r
- goto Exit;\r
- }\r
-\r
- DataLen = (UINT32) TxData->DataLength;\r
-\r
- //\r
- // process this sending token now or buffer it only?\r
- //\r
- FreeSpace = SockGetFreeSpace (Sock, SOCK_SND_BUF);\r
-\r
- if ((FreeSpace < Sock->SndBuffer.LowWater) || !SOCK_IS_CONNECTED (Sock)) {\r
-\r
- SockToken = SockBufferToken (\r
- Sock,\r
- &Sock->SndTokenList,\r
- SndToken,\r
- DataLen\r
- );\r
-\r
- if (NULL == SockToken) {\r
- Status = EFI_OUT_OF_RESOURCES;\r
- }\r
- } else {\r
-\r
- SockToken = SockBufferToken (\r
- Sock,\r
- &Sock->ProcessingSndTokenList,\r
- SndToken,\r
- DataLen\r
- );\r
-\r
- if (NULL == SockToken) {\r
- DEBUG ((EFI_D_ERROR, "SockSend: Failed to buffer IO token into"\r
- " socket processing SndToken List\n", Status));\r
-\r
- Status = EFI_OUT_OF_RESOURCES;\r
- goto Exit;\r
- }\r
-\r
- Status = SockProcessTcpSndData (Sock, TxData);\r
-\r
- if (EFI_ERROR (Status)) {\r
- DEBUG ((EFI_D_ERROR, "SockSend: Failed to process "\r
- "Snd Data\n", Status));\r
-\r
- RemoveEntryList (&(SockToken->TokenList));\r
- FreePool (SockToken);\r
- }\r
- }\r
-\r
-Exit:\r
- EfiReleaseLock (&(Sock->Lock));\r
- return Status;\r
-}\r
-\r
-\r
-/**\r
- Issue a token to get data from the socket.\r
-\r
- @param Sock Pointer to the socket to get data from.\r
- @param Token The token to store the received data from the\r
- socket.\r
-\r
- @retval EFI_SUCCESS The token is processed successfully.\r
- @retval EFI_ACCESS_DENIED Failed to get the lock to access the socket, or the\r
- socket is closed, or the socket is not in a\r
- synchronized state , or the token is already in one\r
- of this socket's lists.\r
- @retval EFI_NO_MAPPING The IP address configuration operation is not\r
- finished.\r
- @retval EFI_NOT_STARTED The socket is not configured.\r
- @retval EFI_CONNECTION_FIN The connection is closed and there is no more data.\r
- @retval EFI_OUT_OF_RESOURCE Failed to buffer the token due to memory limit.\r
-\r
-**/\r
-EFI_STATUS\r
-SockRcv (\r
- IN SOCKET *Sock,\r
- IN VOID *Token\r
- )\r
-{\r
- SOCK_IO_TOKEN *RcvToken;\r
- UINT32 RcvdBytes;\r
- EFI_STATUS Status;\r
- EFI_EVENT Event;\r
-\r
- ASSERT (SockStream == Sock->Type);\r
-\r
- Status = EfiAcquireLockOrFail (&(Sock->Lock));\r
- if (EFI_ERROR (Status)) {\r
-\r
- DEBUG ((EFI_D_ERROR, "SockRcv: Get the access for socket"\r
- " failed with %r", Status));\r
-\r
- return EFI_ACCESS_DENIED;\r
- }\r
-\r
- if (SOCK_IS_NO_MAPPING (Sock)) {\r
-\r
- Status = EFI_NO_MAPPING;\r
- goto Exit;\r
- }\r
-\r
- if (SOCK_IS_UNCONFIGURED (Sock)) {\r
-\r
- Status = EFI_NOT_STARTED;\r
- goto Exit;\r
- }\r
-\r
- if (!(SOCK_IS_CONNECTED (Sock) || SOCK_IS_CONNECTING (Sock))) {\r
-\r
- Status = EFI_ACCESS_DENIED;\r
- goto Exit;\r
- }\r
-\r
- RcvToken = (SOCK_IO_TOKEN *) Token;\r
-\r
- //\r
- // check if a token is already in the token buffer of this socket\r
- //\r
- Event = RcvToken->Token.Event;\r
- if (SockTokenExisted (Sock, Event)) {\r
- Status = EFI_ACCESS_DENIED;\r
- goto Exit;\r
- }\r
-\r
- RcvToken = (SOCK_IO_TOKEN *) Token;\r
- RcvdBytes = GET_RCV_DATASIZE (Sock);\r
-\r
- //\r
- // check whether an error has happened before\r
- //\r
- if (EFI_ABORTED != Sock->SockError) {\r
-\r
- SIGNAL_TOKEN (&(RcvToken->Token), Sock->SockError);\r
- Sock->SockError = EFI_ABORTED;\r
- goto Exit;\r
- }\r
-\r
- //\r
- // check whether can not receive and there is no any\r
- // data buffered in Sock->RcvBuffer\r
- //\r
- if (SOCK_IS_NO_MORE_DATA (Sock) && (0 == RcvdBytes)) {\r
-\r
- Status = EFI_CONNECTION_FIN;\r
- goto Exit;\r
- }\r
-\r
- if (RcvdBytes != 0) {\r
- SockProcessRcvToken (Sock, RcvToken);\r
-\r
- Status = Sock->ProtoHandler (Sock, SOCK_CONSUMED, NULL);\r
- } else {\r
-\r
- if (NULL == SockBufferToken (Sock, &Sock->RcvTokenList, RcvToken, 0)) {\r
- Status = EFI_OUT_OF_RESOURCES;\r
- }\r
- }\r
-\r
-Exit:\r
- EfiReleaseLock (&(Sock->Lock));\r
- return Status;\r
-}\r
-\r
-\r
-/**\r
- Reset the socket and its associated protocol control block.\r
-\r
- @param Sock Pointer to the socket to be flushed.\r
-\r
- @retval EFI_SUCCESS The socket is flushed successfully.\r
- @retval EFI_ACCESS_DENIED Failed to get the lock to access the socket.\r
-\r
-**/\r
-EFI_STATUS\r
-SockFlush (\r
- IN SOCKET *Sock\r
- )\r
-{\r
- EFI_STATUS Status;\r
-\r
- ASSERT (SockStream == Sock->Type);\r
-\r
- Status = EfiAcquireLockOrFail (&(Sock->Lock));\r
- if (EFI_ERROR (Status)) {\r
-\r
- DEBUG ((EFI_D_ERROR, "SockFlush: Get the access for socket"\r
- " failed with %r", Status));\r
-\r
- return EFI_ACCESS_DENIED;\r
- }\r
-\r
- if (!SOCK_IS_CONFIGURED (Sock)) {\r
- goto Exit;\r
- }\r
-\r
- Status = Sock->ProtoHandler (Sock, SOCK_FLUSH, NULL);\r
- if (EFI_ERROR (Status)) {\r
-\r
- DEBUG ((EFI_D_ERROR, "SockFlush: Protocol failed handling"\r
- " SOCK_FLUSH with %r", Status));\r
-\r
- goto Exit;\r
- }\r
-\r
- SOCK_ERROR (Sock, EFI_ABORTED);\r
- SockConnFlush (Sock);\r
- SockSetState (Sock, SO_CLOSED);\r
-\r
- Sock->ConfigureState = SO_UNCONFIGURED;\r
-\r
-Exit:\r
- EfiReleaseLock (&(Sock->Lock));\r
- return Status;\r
-}\r
-\r
-\r
-/**\r
- Close or abort the socket associated connection.\r
-\r
- @param Sock Pointer to the socket of the connection to close or\r
- abort.\r
- @param Token The token for close operation.\r
- @param OnAbort TRUE for aborting the connection, FALSE to close it.\r
-\r
- @retval EFI_SUCCESS The close or abort operation is initialized\r
- successfully.\r
- @retval EFI_ACCESS_DENIED Failed to get the lock to access the socket, or the\r
- socket is closed, or the socket is not in a\r
- synchronized state , or the token is already in one\r
- of this socket's lists.\r
- @retval EFI_NO_MAPPING The IP address configuration operation is not\r
- finished.\r
- @retval EFI_NOT_STARTED The socket is not configured.\r
-\r
-**/\r
-EFI_STATUS\r
-SockClose (\r
- IN SOCKET *Sock,\r
- IN VOID *Token,\r
- IN BOOLEAN OnAbort\r
- )\r
-{\r
- EFI_STATUS Status;\r
- EFI_EVENT Event;\r
-\r
- ASSERT (SockStream == Sock->Type);\r
-\r
- Status = EfiAcquireLockOrFail (&(Sock->Lock));\r
- if (EFI_ERROR (Status)) {\r
- DEBUG ((EFI_D_ERROR, "SockClose: Get the access for socket"\r
- " failed with %r", Status));\r
-\r
- return EFI_ACCESS_DENIED;\r
- }\r
-\r
- if (SOCK_IS_NO_MAPPING (Sock)) {\r
- Status = EFI_NO_MAPPING;\r
- goto Exit;\r
- }\r
-\r
- if (SOCK_IS_UNCONFIGURED (Sock)) {\r
- Status = EFI_NOT_STARTED;\r
- goto Exit;\r
- }\r
-\r
- if (SOCK_IS_DISCONNECTING (Sock)) {\r
- Status = EFI_ACCESS_DENIED;\r
- goto Exit;\r
- }\r
-\r
- Event = ((SOCK_COMPLETION_TOKEN *) Token)->Event;\r
-\r
- if (SockTokenExisted (Sock, Event)) {\r
- Status = EFI_ACCESS_DENIED;\r
- goto Exit;\r
- }\r
-\r
- Sock->CloseToken = Token;\r
- SockSetState (Sock, SO_DISCONNECTING);\r
-\r
- if (OnAbort) {\r
- Status = Sock->ProtoHandler (Sock, SOCK_ABORT, NULL);\r
- } else {\r
- Status = Sock->ProtoHandler (Sock, SOCK_CLOSE, NULL);\r
- }\r
-\r
-Exit:\r
- EfiReleaseLock (&(Sock->Lock));\r
- return Status;\r
-}\r
-\r
-\r
-/**\r
- Get the mode data of the low layer protocol.\r
-\r
- @param Sock Pointer to the socket to get mode data from.\r
- @param Mode Pointer to the data to store the low layer mode\r
- information.\r
-\r
- @retval EFI_SUCCESS The mode data is got successfully.\r
- @retval EFI_NOT_STARTED The socket is not configured.\r
-\r
-**/\r
-EFI_STATUS\r
-SockGetMode (\r
- IN SOCKET *Sock,\r
- IN OUT VOID *Mode\r
- )\r
-{\r
- return Sock->ProtoHandler (Sock, SOCK_MODE, Mode);\r
-}\r
-\r
-\r
-\r
-\r
-\r
-/**\r
- Add or remove route information in IP route table associated\r
- with this socket.\r
-\r
- @param Sock Pointer to the socket associated with the IP route\r
- table to operate on.\r
- @param RouteInfo Pointer to the route information to be processed.\r
-\r
- @retval EFI_SUCCESS The route table is updated successfully.\r
- @retval EFI_ACCESS_DENIED Failed to get the lock to access the socket.\r
- @retval EFI_NO_MAPPING The IP address configuration operation is not\r
- finished.\r
- @retval EFI_NOT_STARTED The socket is not configured.\r
-\r
-**/\r
-EFI_STATUS\r
-SockRoute (\r
- IN SOCKET *Sock,\r
- IN VOID *RouteInfo\r
- )\r
-{\r
- EFI_STATUS Status;\r
-\r
- Status = EfiAcquireLockOrFail (&(Sock->Lock));\r
- if (EFI_ERROR (Status)) {\r
- DEBUG ((EFI_D_ERROR, "SockRoute: Get the access for socket"\r
- " failed with %r", Status));\r
-\r
- return EFI_ACCESS_DENIED;\r
- }\r
-\r
- if (SOCK_IS_NO_MAPPING (Sock)) {\r
- Status = EFI_NO_MAPPING;\r
- goto Exit;\r
- }\r
-\r
- if (SOCK_IS_UNCONFIGURED (Sock)) {\r
- Status = EFI_NOT_STARTED;\r
- goto Exit;\r
- }\r
-\r
- Status = Sock->ProtoHandler (Sock, SOCK_ROUTE, RouteInfo);\r
-\r
-Exit:\r
- EfiReleaseLock (&(Sock->Lock));\r
- return Status;\r
-}\r
projects / mirror_edk2.git / blobdiff