[edk2-devel] [DxeHttpIoLib PATCH V5 1/3] NetworkPkg/Library: Implementation of Http IO Helper Library
Abner Chang
abner.chang at hpe.com
Tue Nov 3 05:26:49 UTC 2020
Add HTTP IO helper library which could be used by HTTP applications
such as HTTP Boot, Redfish HTTP REST EX driver instance and etc.
Signed-off-by: Abner Chang <abner.chang at hpe.com>
Cc: Maciej Rabeda <maciej.rabeda at linux.intel.com>
Cc: Jiaxin Wu <jiaxin.wu at intel.com>
Cc: Siyuan Fu <siyuan.fu at intel.com>
Cc: Nickle Wang <nickle.wang at hpe.com>
---
NetworkPkg/Include/Library/HttpIoLib.h | 328 +++++++
.../Library/DxeHttpIoLib/DxeHttpIoLib.c | 853 ++++++++++++++++++
.../Library/DxeHttpIoLib/DxeHttpIoLib.inf | 46 +
.../Library/DxeHttpIoLib/DxeHttpIoLib.uni | 13 +
4 files changed, 1240 insertions(+)
create mode 100644 NetworkPkg/Include/Library/HttpIoLib.h
create mode 100644 NetworkPkg/Library/DxeHttpIoLib/DxeHttpIoLib.c
create mode 100644 NetworkPkg/Library/DxeHttpIoLib/DxeHttpIoLib.inf
create mode 100644 NetworkPkg/Library/DxeHttpIoLib/DxeHttpIoLib.uni
diff --git a/NetworkPkg/Include/Library/HttpIoLib.h b/NetworkPkg/Include/Library/HttpIoLib.h
new file mode 100644
index 0000000000..8f3804ca42
--- /dev/null
+++ b/NetworkPkg/Include/Library/HttpIoLib.h
@@ -0,0 +1,328 @@
+/** @file
+ HttpIoLib.h.
+
+(C) Copyright 2020 Hewlett-Packard Development Company, L.P.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef HTTP_IO_LIB_H_
+#define HTTP_IO_LIB_H_
+
+#include <IndustryStandard/Http11.h>
+
+#include <Library/DpcLib.h>
+#include <Library/HttpLib.h>
+#include <Library/NetLib.h>
+
+#define HTTP_IO_MAX_SEND_PAYLOAD 1024
+#define HTTP_IO_CHUNK_SIZE_STRING_LEN 50
+#define HTTP_IO_CHUNKED_TRANSFER_CODING_DATA_LENGTH 256
+
+///
+/// HTTP_IO_CALLBACK_EVENT
+///
+typedef enum {
+ HttpIoRequest,
+ HttpIoResponse
+} HTTP_IO_CALLBACK_EVENT;
+
+/**
+ HttpIo Callback function which will be invoked when specified HTTP_IO_CALLBACK_EVENT happened.
+
+ @param[in] EventType Indicate the Event type that occurs in the current callback.
+ @param[in] Message HTTP message which will be send to, or just received from HTTP server.
+ @param[in] Context The Callback Context pointer.
+
+ @retval EFI_SUCCESS Tells the HttpIo to continue the HTTP process.
+ @retval Others Tells the HttpIo to abort the current HTTP process.
+**/
+typedef
+EFI_STATUS
+(EFIAPI * HTTP_IO_CALLBACK) (
+ IN HTTP_IO_CALLBACK_EVENT EventType,
+ IN EFI_HTTP_MESSAGE *Message,
+ IN VOID *Context
+ );
+
+///
+/// A wrapper structure to hold the received HTTP response data.
+///
+typedef struct {
+ EFI_HTTP_RESPONSE_DATA Response;
+ UINTN HeaderCount;
+ EFI_HTTP_HEADER *Headers;
+ UINTN BodyLength;
+ CHAR8 *Body;
+ EFI_STATUS Status;
+} HTTP_IO_RESPONSE_DATA;
+
+///
+/// HTTP_IO configuration data for IPv4
+///
+typedef struct {
+ EFI_HTTP_VERSION HttpVersion;
+ UINT32 RequestTimeOut; ///< In milliseconds.
+ UINT32 ResponseTimeOut; ///< In milliseconds.
+ BOOLEAN UseDefaultAddress;
+ EFI_IPv4_ADDRESS LocalIp;
+ EFI_IPv4_ADDRESS SubnetMask;
+ UINT16 LocalPort;
+} HTTP4_IO_CONFIG_DATA;
+
+///
+/// HTTP_IO configuration data for IPv6
+///
+typedef struct {
+ EFI_HTTP_VERSION HttpVersion;
+ UINT32 RequestTimeOut; ///< In milliseconds.
+ BOOLEAN UseDefaultAddress;
+ EFI_IPv6_ADDRESS LocalIp;
+ UINT16 LocalPort;
+} HTTP6_IO_CONFIG_DATA;
+
+///
+/// HTTP_IO configuration
+///
+typedef union {
+ HTTP4_IO_CONFIG_DATA Config4;
+ HTTP6_IO_CONFIG_DATA Config6;
+} HTTP_IO_CONFIG_DATA;
+
+///
+/// HTTP_IO wrapper of the EFI HTTP service.
+///
+typedef struct {
+ UINT8 IpVersion;
+ EFI_HANDLE Image;
+ EFI_HANDLE Controller;
+ EFI_HANDLE Handle;
+
+ EFI_HTTP_PROTOCOL *Http;
+
+ HTTP_IO_CALLBACK Callback;
+ VOID *Context;
+
+ EFI_HTTP_TOKEN ReqToken;
+ EFI_HTTP_MESSAGE ReqMessage;
+ EFI_HTTP_TOKEN RspToken;
+ EFI_HTTP_MESSAGE RspMessage;
+
+ BOOLEAN IsTxDone;
+ BOOLEAN IsRxDone;
+
+ EFI_EVENT TimeoutEvent;
+ UINT32 Timeout;
+} HTTP_IO;
+
+///
+/// Process code of HTTP chunk transfer.
+///
+typedef enum {
+ HttpIoSendChunkNone = 0,
+ HttpIoSendChunkHeaderZeroContent,
+ HttpIoSendChunkContent,
+ HttpIoSendChunkEndChunk,
+ HttpIoSendChunkFinish
+} HTTP_IO_SEND_CHUNK_PROCESS;
+
+///
+/// Process code of HTTP non chunk transfer.
+///
+typedef enum {
+ HttpIoSendNonChunkNone = 0,
+ HttpIoSendNonChunkHeaderZeroContent,
+ HttpIoSendNonChunkContent,
+ HttpIoSendNonChunkFinish
+} HTTP_IO_SEND_NON_CHUNK_PROCESS;
+
+///
+/// Chunk links for HTTP chunked transfer coding.
+///
+typedef struct {
+ LIST_ENTRY NextChunk;
+ UINTN Length;
+ CHAR8 *Data;
+} HTTP_IO_CHUNKS;
+
+/**
+ Notify the callback function when an event is triggered.
+
+ @param[in] Context The opaque parameter to the function.
+
+**/
+VOID
+EFIAPI
+HttpIoNotifyDpc (
+ IN VOID *Context
+ );
+
+/**
+ Request HttpIoNotifyDpc as a DPC at TPL_CALLBACK.
+
+ @param[in] Event The event signaled.
+ @param[in] Context The opaque parameter to the function.
+
+**/
+VOID
+EFIAPI
+HttpIoNotify (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ );
+
+/**
+ Destroy the HTTP_IO and release the resources.
+
+ @param[in] HttpIo The HTTP_IO which wraps the HTTP service to be destroyed.
+
+**/
+VOID
+HttpIoDestroyIo (
+ IN HTTP_IO *HttpIo
+ );
+
+/**
+ Create a HTTP_IO to access the HTTP service. It will create and configure
+ a HTTP child handle.
+
+ @param[in] Image The handle of the driver image.
+ @param[in] Controller The handle of the controller.
+ @param[in] IpVersion IP_VERSION_4 or IP_VERSION_6.
+ @param[in] ConfigData The HTTP_IO configuration data.
+ @param[in] Callback Callback function which will be invoked when specified
+ HTTP_IO_CALLBACK_EVENT happened.
+ @param[in] Context The Context data which will be passed to the Callback function.
+ @param[out] HttpIo The HTTP_IO.
+
+ @retval EFI_SUCCESS The HTTP_IO is created and configured.
+ @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
+ @retval EFI_UNSUPPORTED One or more of the control options are not
+ supported in the implementation.
+ @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
+ @retval Others Failed to create the HTTP_IO or configure it.
+
+**/
+EFI_STATUS
+HttpIoCreateIo (
+ IN EFI_HANDLE Image,
+ IN EFI_HANDLE Controller,
+ IN UINT8 IpVersion,
+ IN HTTP_IO_CONFIG_DATA *ConfigData,
+ IN HTTP_IO_CALLBACK Callback,
+ IN VOID *Context,
+ OUT HTTP_IO *HttpIo
+ );
+
+/**
+ Synchronously send a HTTP REQUEST message to the server.
+
+ @param[in] HttpIo The HttpIo wrapping the HTTP service.
+ @param[in] Request A pointer to storage such data as URL and HTTP method.
+ @param[in] HeaderCount Number of HTTP header structures in Headers list.
+ @param[in] Headers Array containing list of HTTP headers.
+ @param[in] BodyLength Length in bytes of the HTTP body.
+ @param[in] Body Body associated with the HTTP request.
+
+ @retval EFI_SUCCESS The HTTP request is transmitted.
+ @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
+ @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
+ @retval EFI_DEVICE_ERROR An unexpected network or system error occurred.
+ @retval Others Other errors as indicated.
+
+**/
+EFI_STATUS
+HttpIoSendRequest (
+ IN HTTP_IO *HttpIo,
+ IN EFI_HTTP_REQUEST_DATA *Request, OPTIONAL
+ IN UINTN HeaderCount,
+ IN EFI_HTTP_HEADER *Headers, OPTIONAL
+ IN UINTN BodyLength,
+ IN VOID *Body OPTIONAL
+ );
+
+/**
+ Synchronously receive a HTTP RESPONSE message from the server.
+
+ @param[in] HttpIo The HttpIo wrapping the HTTP service.
+ @param[in] RecvMsgHeader TRUE to receive a new HTTP response (from message header).
+ FALSE to continue receive the previous response message.
+ @param[out] ResponseData Point to a wrapper of the received response data.
+
+ @retval EFI_SUCCESS The HTTP response is received.
+ @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
+ @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
+ @retval EFI_DEVICE_ERROR An unexpected network or system error occurred.
+ @retval Others Other errors as indicated.
+
+**/
+EFI_STATUS
+HttpIoRecvResponse (
+ IN HTTP_IO *HttpIo,
+ IN BOOLEAN RecvMsgHeader,
+ OUT HTTP_IO_RESPONSE_DATA *ResponseData
+ );
+
+/**
+ Get the value of the content length if there is a "Content-Length" header.
+
+ @param[in] HeaderCount Number of HTTP header structures in Headers.
+ @param[in] Headers Array containing list of HTTP headers.
+ @param[out] ContentLength Pointer to save the value of the content length.
+
+ @retval EFI_SUCCESS Successfully get the content length.
+ @retval EFI_NOT_FOUND No "Content-Length" header in the Headers.
+
+**/
+EFI_STATUS
+HttpIoGetContentLength (
+ IN UINTN HeaderCount,
+ IN EFI_HTTP_HEADER *Headers,
+ OUT UINTN *ContentLength
+ );
+
+/**
+ Synchronously receive a HTTP RESPONSE message from the server.
+
+ @param[in] HttpIo The HttpIo wrapping the HTTP service.
+ @param[in] HeaderCount Number of headers in Headers.
+ @param[in] Headers Array containing list of HTTP headers.
+ @param[out] ChunkListHead A pointer to receivce list head of chunked data.
+ Caller has to release memory of ChunkListHead
+ and all list entries.
+ @param[out] ContentLength Total content length
+
+ @retval EFI_SUCCESS The HTTP chunked transfer is received.
+ @retval EFI_NOT_FOUND No chunked transfer coding header found.
+ @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
+ @retval EFI_INVALID_PARAMETER Improper parameters.
+ @retval Others Other errors as indicated.
+
+**/
+EFI_STATUS
+HttpIoGetChunkedTransferContent (
+ IN HTTP_IO *HttpIo,
+ IN UINTN HeaderCount,
+ IN EFI_HTTP_HEADER *Headers,
+ OUT LIST_ENTRY **ChunkListHead,
+ OUT UINTN *ContentLength
+ );
+
+/**
+ Send HTTP request in chunks.
+
+ @param[in] HttpIo The HttpIo wrapping the HTTP service.
+ @param[in] SendChunkProcess Pointer to current chunk process status.
+ @param[out] RequestMessage Request to send.
+
+ @retval EFI_SUCCESS Successfully to send chunk data according to SendChunkProcess.
+ @retval Other Other errors.
+
+**/
+EFI_STATUS
+HttpIoSendChunkedTransfer (
+ IN HTTP_IO *HttpIo,
+ IN HTTP_IO_SEND_CHUNK_PROCESS *SendChunkProcess,
+ IN EFI_HTTP_MESSAGE *RequestMessage
+);
+#endif
diff --git a/NetworkPkg/Library/DxeHttpIoLib/DxeHttpIoLib.c b/NetworkPkg/Library/DxeHttpIoLib/DxeHttpIoLib.c
new file mode 100644
index 0000000000..67583fb220
--- /dev/null
+++ b/NetworkPkg/Library/DxeHttpIoLib/DxeHttpIoLib.c
@@ -0,0 +1,853 @@
+/** @file
+ Http IO Helper Library.
+
+ (C) Copyright 2020 Hewlett-Packard Development Company, L.P.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include <Uefi.h>
+
+#include <Protocol/Http.h>
+
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/DebugLib.h>
+#include <Library/HttpIoLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/PrintLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+
+/**
+ Notify the callback function when an event is triggered.
+
+ @param[in] Context The opaque parameter to the function.
+
+**/
+VOID
+EFIAPI
+HttpIoNotifyDpc (
+ IN VOID *Context
+ )
+{
+ *((BOOLEAN *) Context) = TRUE;
+}
+
+/**
+ Request HttpIoNotifyDpc as a DPC at TPL_CALLBACK.
+
+ @param[in] Event The event signaled.
+ @param[in] Context The opaque parameter to the function.
+
+**/
+VOID
+EFIAPI
+HttpIoNotify (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+{
+ //
+ // Request HttpIoNotifyDpc as a DPC at TPL_CALLBACK
+ //
+ QueueDpc (TPL_CALLBACK, HttpIoNotifyDpc, Context);
+}
+
+/**
+ Destroy the HTTP_IO and release the resources.
+
+ @param[in] HttpIo The HTTP_IO which wraps the HTTP service to be destroyed.
+
+**/
+VOID
+HttpIoDestroyIo (
+ IN HTTP_IO *HttpIo
+ )
+{
+ EFI_HTTP_PROTOCOL *Http;
+ EFI_EVENT Event;
+
+ if (HttpIo == NULL) {
+ return;
+ }
+
+ Event = HttpIo->ReqToken.Event;
+ if (Event != NULL) {
+ gBS->CloseEvent (Event);
+ }
+
+ Event = HttpIo->RspToken.Event;
+ if (Event != NULL) {
+ gBS->CloseEvent (Event);
+ }
+
+ Event = HttpIo->TimeoutEvent;
+ if (Event != NULL) {
+ gBS->CloseEvent (Event);
+ }
+
+ Http = HttpIo->Http;
+ if (Http != NULL) {
+ Http->Configure (Http, NULL);
+ gBS->CloseProtocol (
+ HttpIo->Handle,
+ &gEfiHttpProtocolGuid,
+ HttpIo->Image,
+ HttpIo->Controller
+ );
+ }
+
+ NetLibDestroyServiceChild (
+ HttpIo->Controller,
+ HttpIo->Image,
+ &gEfiHttpServiceBindingProtocolGuid,
+ HttpIo->Handle
+ );
+}
+
+/**
+ Create a HTTP_IO to access the HTTP service. It will create and configure
+ a HTTP child handle.
+
+ @param[in] Image The handle of the driver image.
+ @param[in] Controller The handle of the controller.
+ @param[in] IpVersion IP_VERSION_4 or IP_VERSION_6.
+ @param[in] ConfigData The HTTP_IO configuration data ,
+ NULL means not to configure the HTTP child.
+ @param[in] Callback Callback function which will be invoked when specified
+ HTTP_IO_CALLBACK_EVENT happened.
+ @param[in] Context The Context data which will be passed to the Callback function.
+ @param[out] HttpIo The HTTP_IO.
+
+ @retval EFI_SUCCESS The HTTP_IO is created and configured.
+ @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
+ @retval EFI_UNSUPPORTED One or more of the control options are not
+ supported in the implementation.
+ @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
+ @retval Others Failed to create the HTTP_IO or configure it.
+
+**/
+EFI_STATUS
+HttpIoCreateIo (
+ IN EFI_HANDLE Image,
+ IN EFI_HANDLE Controller,
+ IN UINT8 IpVersion,
+ IN HTTP_IO_CONFIG_DATA *ConfigData, OPTIONAL
+ IN HTTP_IO_CALLBACK Callback,
+ IN VOID *Context,
+ OUT HTTP_IO *HttpIo
+ )
+{
+ EFI_STATUS Status;
+ EFI_HTTP_CONFIG_DATA HttpConfigData;
+ EFI_HTTPv4_ACCESS_POINT Http4AccessPoint;
+ EFI_HTTPv6_ACCESS_POINT Http6AccessPoint;
+ EFI_HTTP_PROTOCOL *Http;
+ EFI_EVENT Event;
+
+ if ((Image == NULL) || (Controller == NULL) || (HttpIo == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (IpVersion != IP_VERSION_4 && IpVersion != IP_VERSION_6) {
+ return EFI_UNSUPPORTED;
+ }
+
+ ZeroMem (HttpIo, sizeof (HTTP_IO));
+ ZeroMem (&HttpConfigData, sizeof (EFI_HTTP_CONFIG_DATA));
+
+ //
+ // Create the HTTP child instance and get the HTTP protocol.
+ //
+ Status = NetLibCreateServiceChild (
+ Controller,
+ Image,
+ &gEfiHttpServiceBindingProtocolGuid,
+ &HttpIo->Handle
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Status = gBS->OpenProtocol (
+ HttpIo->Handle,
+ &gEfiHttpProtocolGuid,
+ (VOID **) &Http,
+ Image,
+ Controller,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (EFI_ERROR (Status) || (Http == NULL)) {
+ goto ON_ERROR;
+ }
+
+ //
+ // Init the configuration data and configure the HTTP child.
+ //
+ HttpIo->Image = Image;
+ HttpIo->Controller = Controller;
+ HttpIo->IpVersion = IpVersion;
+ HttpIo->Http = Http;
+ HttpIo->Callback = Callback;
+ HttpIo->Context = Context;
+
+ if (ConfigData != NULL) {
+ if (HttpIo->IpVersion == IP_VERSION_4) {
+ HttpConfigData.LocalAddressIsIPv6 = FALSE;
+ HttpConfigData.HttpVersion = ConfigData->Config4.HttpVersion;
+ HttpConfigData.TimeOutMillisec = ConfigData->Config4.RequestTimeOut;
+
+ Http4AccessPoint.UseDefaultAddress = ConfigData->Config4.UseDefaultAddress;
+ Http4AccessPoint.LocalPort = ConfigData->Config4.LocalPort;
+ IP4_COPY_ADDRESS (&Http4AccessPoint.LocalAddress, &ConfigData->Config4.LocalIp);
+ IP4_COPY_ADDRESS (&Http4AccessPoint.LocalSubnet, &ConfigData->Config4.SubnetMask);
+ HttpConfigData.AccessPoint.IPv4Node = &Http4AccessPoint;
+ } else {
+ HttpConfigData.LocalAddressIsIPv6 = TRUE;
+ HttpConfigData.HttpVersion = ConfigData->Config6.HttpVersion;
+ HttpConfigData.TimeOutMillisec = ConfigData->Config6.RequestTimeOut;
+
+ Http6AccessPoint.LocalPort = ConfigData->Config6.LocalPort;
+ IP6_COPY_ADDRESS (&Http6AccessPoint.LocalAddress, &ConfigData->Config6.LocalIp);
+ HttpConfigData.AccessPoint.IPv6Node = &Http6AccessPoint;
+ }
+
+ Status = Http->Configure (Http, &HttpConfigData);
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+ }
+
+ //
+ // Create events for variuos asynchronous operations.
+ //
+ Status = gBS->CreateEvent (
+ EVT_NOTIFY_SIGNAL,
+ TPL_NOTIFY,
+ HttpIoNotify,
+ &HttpIo->IsTxDone,
+ &Event
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+ HttpIo->ReqToken.Event = Event;
+ HttpIo->ReqToken.Message = &HttpIo->ReqMessage;
+
+ Status = gBS->CreateEvent (
+ EVT_NOTIFY_SIGNAL,
+ TPL_NOTIFY,
+ HttpIoNotify,
+ &HttpIo->IsRxDone,
+ &Event
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+ HttpIo->RspToken.Event = Event;
+ HttpIo->RspToken.Message = &HttpIo->RspMessage;
+
+ //
+ // Create TimeoutEvent for response
+ //
+ Status = gBS->CreateEvent (
+ EVT_TIMER,
+ TPL_CALLBACK,
+ NULL,
+ NULL,
+ &Event
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+ HttpIo->TimeoutEvent = Event;
+ return EFI_SUCCESS;
+
+ON_ERROR:
+ HttpIoDestroyIo (HttpIo);
+
+ return Status;
+}
+
+/**
+ Synchronously send a HTTP REQUEST message to the server.
+
+ @param[in] HttpIo The HttpIo wrapping the HTTP service.
+ @param[in] Request A pointer to storage such data as URL and HTTP method.
+ @param[in] HeaderCount Number of HTTP header structures in Headers list.
+ @param[in] Headers Array containing list of HTTP headers.
+ @param[in] BodyLength Length in bytes of the HTTP body.
+ @param[in] Body Body associated with the HTTP request.
+
+ @retval EFI_SUCCESS The HTTP request is trasmitted.
+ @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
+ @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
+ @retval EFI_DEVICE_ERROR An unexpected network or system error occurred.
+ @retval Others Other errors as indicated.
+
+**/
+EFI_STATUS
+HttpIoSendRequest (
+ IN HTTP_IO *HttpIo,
+ IN EFI_HTTP_REQUEST_DATA *Request,
+ IN UINTN HeaderCount,
+ IN EFI_HTTP_HEADER *Headers,
+ IN UINTN BodyLength,
+ IN VOID *Body
+ )
+{
+ EFI_STATUS Status;
+ EFI_HTTP_PROTOCOL *Http;
+
+ if (HttpIo == NULL || HttpIo->Http == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ HttpIo->ReqToken.Status = EFI_NOT_READY;
+ HttpIo->ReqToken.Message->Data.Request = Request;
+ HttpIo->ReqToken.Message->HeaderCount = HeaderCount;
+ HttpIo->ReqToken.Message->Headers = Headers;
+ HttpIo->ReqToken.Message->BodyLength = BodyLength;
+ HttpIo->ReqToken.Message->Body = Body;
+
+ if (HttpIo->Callback != NULL) {
+ Status = HttpIo->Callback (
+ HttpIoRequest,
+ HttpIo->ReqToken.Message,
+ HttpIo->Context
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ }
+
+ //
+ // Queue the request token to HTTP instances.
+ //
+ Http = HttpIo->Http;
+ HttpIo->IsTxDone = FALSE;
+ Status = Http->Request (
+ Http,
+ &HttpIo->ReqToken
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Poll the network until transmit finish.
+ //
+ while (!HttpIo->IsTxDone) {
+ Http->Poll (Http);
+ }
+
+ return HttpIo->ReqToken.Status;
+}
+
+/**
+ Synchronously receive a HTTP RESPONSE message from the server.
+
+ @param[in] HttpIo The HttpIo wrapping the HTTP service.
+ @param[in] RecvMsgHeader TRUE to receive a new HTTP response (from message header).
+ FALSE to continue receive the previous response message.
+ @param[out] ResponseData Point to a wrapper of the received response data.
+
+ @retval EFI_SUCCESS The HTTP response is received.
+ @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
+ @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
+ @retval EFI_DEVICE_ERROR An unexpected network or system error occurred.
+ @retval Others Other errors as indicated.
+
+**/
+EFI_STATUS
+HttpIoRecvResponse (
+ IN HTTP_IO *HttpIo,
+ IN BOOLEAN RecvMsgHeader,
+ OUT HTTP_IO_RESPONSE_DATA *ResponseData
+ )
+{
+ EFI_STATUS Status;
+ EFI_HTTP_PROTOCOL *Http;
+
+ if (HttpIo == NULL || HttpIo->Http == NULL || ResponseData == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ //
+ // Queue the response token to HTTP instances.
+ //
+ HttpIo->RspToken.Status = EFI_NOT_READY;
+ if (RecvMsgHeader) {
+ HttpIo->RspToken.Message->Data.Response = &ResponseData->Response;
+ } else {
+ HttpIo->RspToken.Message->Data.Response = NULL;
+ }
+ HttpIo->RspToken.Message->HeaderCount = 0;
+ HttpIo->RspToken.Message->Headers = NULL;
+ HttpIo->RspToken.Message->BodyLength = ResponseData->BodyLength;
+ HttpIo->RspToken.Message->Body = ResponseData->Body;
+
+ Http = HttpIo->Http;
+ HttpIo->IsRxDone = FALSE;
+
+ //
+ // Start the timer, and wait Timeout seconds to receive the header packet.
+ //
+ Status = gBS->SetTimer (HttpIo->TimeoutEvent, TimerRelative, HttpIo->Timeout * TICKS_PER_MS);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Status = Http->Response (
+ Http,
+ &HttpIo->RspToken
+ );
+
+ if (EFI_ERROR (Status)) {
+ //
+ // Remove timeout timer from the event list.
+ //
+ gBS->SetTimer (HttpIo->TimeoutEvent, TimerCancel, 0);
+ return Status;
+ }
+
+ //
+ // Poll the network until receive finish.
+ //
+ while (!HttpIo->IsRxDone && EFI_ERROR (gBS->CheckEvent (HttpIo->TimeoutEvent))) {
+ Http->Poll (Http);
+ }
+
+ //
+ // Remove timeout timer from the event list.
+ //
+ gBS->SetTimer (HttpIo->TimeoutEvent, TimerCancel, 0);
+
+ if (!HttpIo->IsRxDone) {
+ //
+ // Timeout occurs, cancel the response token.
+ //
+ Http->Cancel (Http, &HttpIo->RspToken);
+
+ Status = EFI_TIMEOUT;
+
+ return Status;
+ } else {
+ HttpIo->IsRxDone = FALSE;
+ }
+
+ if ((HttpIo->Callback != NULL) &&
+ (HttpIo->RspToken.Status == EFI_SUCCESS || HttpIo->RspToken.Status == EFI_HTTP_ERROR)) {
+ Status = HttpIo->Callback (
+ HttpIoResponse,
+ HttpIo->RspToken.Message,
+ HttpIo->Context
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ }
+
+ //
+ // Store the received data into the wrapper.
+ //
+ ResponseData->Status = HttpIo->RspToken.Status;
+ ResponseData->HeaderCount = HttpIo->RspToken.Message->HeaderCount;
+ ResponseData->Headers = HttpIo->RspToken.Message->Headers;
+ ResponseData->BodyLength = HttpIo->RspToken.Message->BodyLength;
+
+ return Status;
+}
+
+/**
+ Get the value of the content length if there is a "Content-Length" header.
+
+ @param[in] HeaderCount Number of HTTP header structures in Headers.
+ @param[in] Headers Array containing list of HTTP headers.
+ @param[out] ContentLength Pointer to save the value of the content length.
+
+ @retval EFI_SUCCESS Successfully get the content length.
+ @retval EFI_NOT_FOUND No "Content-Length" header in the Headers.
+
+**/
+EFI_STATUS
+HttpIoGetContentLength (
+ IN UINTN HeaderCount,
+ IN EFI_HTTP_HEADER *Headers,
+ OUT UINTN *ContentLength
+ )
+{
+ EFI_HTTP_HEADER *Header;
+
+ Header = HttpFindHeader (HeaderCount, Headers, HTTP_HEADER_CONTENT_LENGTH);
+ if (Header == NULL) {
+ return EFI_NOT_FOUND;
+ }
+
+ return AsciiStrDecimalToUintnS (Header->FieldValue, (CHAR8 **) NULL, ContentLength);
+}
+/**
+ Send HTTP request in chunks.
+
+ @param[in] HttpIo The HttpIo wrapping the HTTP service.
+ @param[in] SendChunkProcess Pointer to current chunk process status.
+ @param[in] RequestMessage Request to send.
+
+ @retval EFI_SUCCESS Successfully to send chunk data according to SendChunkProcess.
+ @retval Other Other errors.
+
+**/
+EFI_STATUS
+HttpIoSendChunkedTransfer (
+ IN HTTP_IO *HttpIo,
+ IN HTTP_IO_SEND_CHUNK_PROCESS *SendChunkProcess,
+ IN EFI_HTTP_MESSAGE *RequestMessage
+)
+{
+ EFI_STATUS Status;
+ EFI_HTTP_HEADER *NewHeaders;
+ EFI_HTTP_HEADER *ContentLengthHeader;
+ UINTN AddNewHeader;
+ UINTN HeaderCount;
+ CHAR8 *MessageBody;
+ UINTN MessageBodyLength;
+ UINTN ChunkLength;
+ CHAR8 ChunkLengthStr [HTTP_IO_CHUNK_SIZE_STRING_LEN];
+ EFI_HTTP_REQUEST_DATA *SentRequestData;
+
+ AddNewHeader = 0;
+ NewHeaders = NULL;
+ MessageBody = NULL;
+ ContentLengthHeader = NULL;
+ MessageBodyLength = 0;
+
+ switch (*SendChunkProcess) {
+ case HttpIoSendChunkHeaderZeroContent:
+ ContentLengthHeader = HttpFindHeader (RequestMessage->HeaderCount, RequestMessage->Headers, HTTP_HEADER_CONTENT_LENGTH);
+ if (ContentLengthHeader == NULL) {
+ AddNewHeader = 1;
+ }
+
+ NewHeaders = AllocateZeroPool ((RequestMessage->HeaderCount + AddNewHeader) * sizeof(EFI_HTTP_HEADER));
+ CopyMem ((VOID*)NewHeaders, (VOID *)RequestMessage->Headers, RequestMessage->HeaderCount * sizeof (EFI_HTTP_HEADER));
+ if (AddNewHeader == 0) {
+ //
+ // Override content-length to Transfer-Encoding.
+ //
+ ContentLengthHeader = HttpFindHeader (RequestMessage->HeaderCount, NewHeaders, HTTP_HEADER_CONTENT_LENGTH);
+ ContentLengthHeader->FieldName = NULL;
+ ContentLengthHeader->FieldValue = NULL;
+ } else {
+ ContentLengthHeader = NewHeaders + RequestMessage->HeaderCount;
+ }
+ HttpSetFieldNameAndValue (ContentLengthHeader, HTTP_HEADER_TRANSFER_ENCODING, HTTP_HEADER_TRANSFER_ENCODING_CHUNKED);
+ HeaderCount = RequestMessage->HeaderCount + AddNewHeader;
+ MessageBodyLength = 0;
+ MessageBody = NULL;
+ SentRequestData = RequestMessage->Data.Request;
+ break;
+
+ case HttpIoSendChunkContent:
+ HeaderCount = 0;
+ NewHeaders = NULL;
+ SentRequestData = NULL;
+ if (RequestMessage->BodyLength > HTTP_IO_MAX_SEND_PAYLOAD) {
+ MessageBodyLength = HTTP_IO_MAX_SEND_PAYLOAD;
+ } else {
+ MessageBodyLength = RequestMessage->BodyLength;
+ }
+ AsciiSPrint (
+ ChunkLengthStr,
+ HTTP_IO_CHUNK_SIZE_STRING_LEN,
+ "%x%c%c",
+ MessageBodyLength,
+ CHUNKED_TRANSFER_CODING_CR,
+ CHUNKED_TRANSFER_CODING_LF
+ );
+ ChunkLength = AsciiStrLen (ChunkLengthStr);
+ MessageBody = AllocatePool (ChunkLength + MessageBodyLength + 2);
+ if (MessageBody == NULL) {
+ DEBUG((DEBUG_ERROR, "Not enough memory for chunk transfer\n"));
+ return EFI_OUT_OF_RESOURCES;
+ }
+ //
+ // Build up the chunk transfer paylaod.
+ //
+ CopyMem (MessageBody, ChunkLengthStr, ChunkLength);
+ CopyMem (MessageBody + ChunkLength, RequestMessage->Body, MessageBodyLength);
+ *(MessageBody + ChunkLength + MessageBodyLength) = CHUNKED_TRANSFER_CODING_CR;
+ *(MessageBody + ChunkLength + MessageBodyLength + 1) = CHUNKED_TRANSFER_CODING_LF;
+ //
+ // Change variables for the next chunk trasnfer.
+ //
+ RequestMessage->BodyLength -= MessageBodyLength;
+ RequestMessage->Body = (VOID *)((CHAR8 *)RequestMessage->Body + MessageBodyLength);
+ MessageBodyLength += (ChunkLength + 2);
+ if (RequestMessage->BodyLength == 0) {
+ *SendChunkProcess = HttpIoSendChunkEndChunk;
+ }
+ break;
+
+ case HttpIoSendChunkEndChunk:
+ HeaderCount = 0;
+ NewHeaders = NULL;
+ SentRequestData = NULL;
+ AsciiSPrint (
+ ChunkLengthStr,
+ HTTP_IO_CHUNK_SIZE_STRING_LEN,
+ "0%c%c%c%c",
+ CHUNKED_TRANSFER_CODING_CR,
+ CHUNKED_TRANSFER_CODING_LF,
+ CHUNKED_TRANSFER_CODING_CR,
+ CHUNKED_TRANSFER_CODING_LF
+ );
+ MessageBody = AllocatePool (AsciiStrLen(ChunkLengthStr));
+ if (MessageBody == NULL) {
+ DEBUG((DEBUG_ERROR, "Not enough memory for the end chunk transfer\n"));
+ return EFI_OUT_OF_RESOURCES;
+ }
+ CopyMem (MessageBody, ChunkLengthStr, AsciiStrLen (ChunkLengthStr));
+ MessageBodyLength = AsciiStrLen (ChunkLengthStr);
+ *SendChunkProcess = HttpIoSendChunkFinish;
+ break;
+
+ default:
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Status = HttpIoSendRequest (
+ HttpIo,
+ SentRequestData,
+ HeaderCount,
+ NewHeaders,
+ MessageBodyLength,
+ MessageBody
+ );
+ if (ContentLengthHeader != NULL) {
+ if (ContentLengthHeader->FieldName != NULL) {
+ FreePool (ContentLengthHeader->FieldName);
+ }
+ if (ContentLengthHeader->FieldValue != NULL) {
+ FreePool (ContentLengthHeader->FieldValue);
+ }
+ }
+ if (NewHeaders != NULL) {
+ FreePool (NewHeaders);
+ }
+ if (MessageBody != NULL) {
+ FreePool (MessageBody);
+ }
+ return Status;
+}
+
+/**
+ Synchronously receive a HTTP RESPONSE message from the server.
+
+ @param[in] HttpIo The HttpIo wrapping the HTTP service.
+ @param[in] HeaderCount Number of headers in Headers.
+ @param[in] Headers Array containing list of HTTP headers.
+ @param[out] ChunkListHead A pointer to receive list head
+ of chunked data. Caller has to
+ release memory of ChunkListHead
+ and all list entries.
+ @param[out] ContentLength Total content length
+
+ @retval EFI_SUCCESS The HTTP chunked transfer is received.
+ @retval EFI_NOT_FOUND No chunked transfer coding header found.
+ @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
+ @retval EFI_INVALID_PARAMETER Improper parameters.
+ @retval Others Other errors as indicated.
+
+**/
+EFI_STATUS
+HttpIoGetChunkedTransferContent (
+ IN HTTP_IO *HttpIo,
+ IN UINTN HeaderCount,
+ IN EFI_HTTP_HEADER *Headers,
+ OUT LIST_ENTRY **ChunkListHead,
+ OUT UINTN *ContentLength
+ )
+{
+ EFI_HTTP_HEADER *Header;
+ CHAR8 ChunkSizeAscii [256];
+ EFI_STATUS Status;
+ UINTN Index;
+ HTTP_IO_RESPONSE_DATA ResponseData;
+ UINTN TotalLength;
+ UINTN MaxTotalLength;
+ LIST_ENTRY *HttpChunks;
+ HTTP_IO_CHUNKS *ThisChunk;
+ LIST_ENTRY *ThisListEntry;
+
+ if (ChunkListHead == NULL || ContentLength == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ *ContentLength = 0;
+ Header = HttpFindHeader (HeaderCount, Headers, HTTP_HEADER_TRANSFER_ENCODING);
+ if (Header == NULL) {
+ return EFI_NOT_FOUND;
+ }
+
+ if (AsciiStrCmp (Header->FieldValue, HTTP_HEADER_TRANSFER_ENCODING_CHUNKED) != 0) {
+ return EFI_NOT_FOUND;
+ }
+ //
+ // Loop to get all chunks.
+ //
+ TotalLength = 0;
+ MaxTotalLength = PcdGet32 (PcdMaxHttpChunkTransfer);
+ HttpChunks = (LIST_ENTRY *)AllocateZeroPool (sizeof (LIST_ENTRY));
+ if (HttpChunks == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto ExitDeleteChunks;
+ }
+ InitializeListHead (HttpChunks);
+ DEBUG ((DEBUG_INFO, " Chunked transfer\n"));
+ while (TRUE) {
+ ZeroMem((VOID *)&ResponseData, sizeof(HTTP_IO_RESPONSE_DATA));
+ ResponseData.BodyLength = HTTP_IO_CHUNKED_TRANSFER_CODING_DATA_LENGTH;
+ ResponseData.Body = ChunkSizeAscii;
+ Status = HttpIoRecvResponse (
+ HttpIo,
+ FALSE,
+ &ResponseData
+ );
+ if (EFI_ERROR (Status)) {
+ goto ExitDeleteChunks;
+ }
+ //
+ // Decoding Chunked Transfer Coding.
+ // Only decode chunk-size and last chunk.
+ //
+ DEBUG ((DEBUG_INFO, " Chunk HTTP Response StatusCode - %d\n", ResponseData.Response.StatusCode));
+ //
+ // Break if this is last chunk.
+ //
+ if (ChunkSizeAscii [0] == CHUNKED_TRANSFER_CODING_LAST_CHUNK) {
+ //
+ // Check if this is a valid Last-Chunk.
+ //
+ if ((ChunkSizeAscii [1] != CHUNKED_TRANSFER_CODING_CR) ||
+ (ChunkSizeAscii [2] != CHUNKED_TRANSFER_CODING_LF)
+ ) {
+ DEBUG ((DEBUG_ERROR, " This is an invalid Last-chunk\n"));
+ Status = EFI_INVALID_PARAMETER;
+ goto ExitDeleteChunks;
+ }
+
+ Status = EFI_SUCCESS;
+ DEBUG ((DEBUG_INFO, " Last-chunk\n"));
+ ThisChunk = (HTTP_IO_CHUNKS *)AllocateZeroPool (sizeof (HTTP_IO_CHUNKS));
+ if (ThisChunk == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto ExitDeleteChunks;
+ }
+
+ InitializeListHead (&ThisChunk->NextChunk);
+ ThisChunk->Length = ResponseData.BodyLength - 1 - 2; // Minus sizeof '0' and CRLF.
+ ThisChunk->Data = (CHAR8 *)AllocatePool (ThisChunk->Length);
+ if (ThisChunk->Data == NULL) {
+ FreePool ((UINT8 *)ThisChunk);
+ Status = EFI_OUT_OF_RESOURCES;
+ goto ExitDeleteChunks;
+ }
+ CopyMem ((UINT8 *)ThisChunk->Data, (UINT8 *)ResponseData.Body + 1, ThisChunk->Length);
+ TotalLength += ThisChunk->Length;
+ InsertTailList (HttpChunks, &ThisChunk->NextChunk);
+ break;
+ }
+
+ //
+ // Get the chunk length
+ //
+ Index = 0;
+ while ((ChunkSizeAscii [Index] != CHUNKED_TRANSFER_CODING_EXTENSION_SEPARATOR) &&
+ (ChunkSizeAscii [Index] != (CHAR8)CHUNKED_TRANSFER_CODING_CR) &&
+ (Index != HTTP_IO_CHUNKED_TRANSFER_CODING_DATA_LENGTH)) {
+ Index ++;
+ }
+
+ if (Index == HTTP_IO_CHUNKED_TRANSFER_CODING_DATA_LENGTH) {
+ Status = EFI_NOT_FOUND;
+ goto ExitDeleteChunks;
+ }
+ ChunkSizeAscii[Index] = 0;
+ AsciiStrHexToUintnS (ChunkSizeAscii, NULL, ContentLength);
+ DEBUG ((DEBUG_INFO, " Length of this chunk %d\n", *ContentLength));
+ //
+ // Receive the data;
+ //
+ ThisChunk = (HTTP_IO_CHUNKS *)AllocateZeroPool (sizeof (HTTP_IO_CHUNKS));
+ if (ThisChunk == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto ExitDeleteChunks;
+ }
+ ResponseData.BodyLength = *ContentLength;
+ ResponseData.Body = (CHAR8 *)AllocatePool (*ContentLength);
+ if (ResponseData.Body == NULL) {
+ FreePool (ThisChunk);
+ Status = EFI_OUT_OF_RESOURCES;
+ goto ExitDeleteChunks;
+ }
+ InitializeListHead (&ThisChunk->NextChunk);
+ ThisChunk->Length = *ContentLength;
+ ThisChunk->Data = ResponseData.Body;
+ InsertTailList (HttpChunks, &ThisChunk->NextChunk);
+ Status = HttpIoRecvResponse (
+ HttpIo,
+ FALSE,
+ &ResponseData
+ );
+ if (EFI_ERROR (Status)) {
+ goto ExitDeleteChunks;
+ }
+ //
+ // Read CRLF
+ //
+ ZeroMem((VOID *)&ResponseData, sizeof(HTTP_IO_RESPONSE_DATA));
+ ResponseData.BodyLength = 2;
+ ResponseData.Body = ChunkSizeAscii;
+ Status = HttpIoRecvResponse (
+ HttpIo,
+ FALSE,
+ &ResponseData
+ );
+ if (EFI_ERROR (Status)) {
+ goto ExitDeleteChunks;
+ }
+ //
+ // Verify the end of chunk payload.
+ //
+ if ((ChunkSizeAscii [0] != CHUNKED_TRANSFER_CODING_CR) ||
+ (ChunkSizeAscii [1] != CHUNKED_TRANSFER_CODING_LF)
+ ) {
+ DEBUG ((DEBUG_ERROR, " This is an invalid End-of-chunk notation.\n"));
+ goto ExitDeleteChunks;
+ }
+ TotalLength += *ContentLength;
+ if (TotalLength > MaxTotalLength) {
+ DEBUG ((DEBUG_ERROR, " Total chunk transfer payload exceeds the size defined by PcdMaxHttpChunkTransfer.\n"));
+ goto ExitDeleteChunks;
+ }
+ }
+
+ *ContentLength = TotalLength;
+ *ChunkListHead = HttpChunks;
+ DEBUG ((DEBUG_INFO, " Total of lengh of chunks :%d\n", TotalLength));
+ return EFI_SUCCESS;
+
+ExitDeleteChunks:
+ if (HttpChunks != NULL) {
+ while (!IsListEmpty(HttpChunks)) {
+ ThisListEntry = GetFirstNode (HttpChunks);
+ RemoveEntryList (ThisListEntry);
+ ThisChunk = (HTTP_IO_CHUNKS *)ThisListEntry;
+ if (ThisChunk->Data != NULL) {
+ FreePool (ThisChunk->Data);
+ }
+ FreePool(ThisListEntry);
+ }
+ FreePool (HttpChunks);
+ }
+ return Status;
+}
diff --git a/NetworkPkg/Library/DxeHttpIoLib/DxeHttpIoLib.inf b/NetworkPkg/Library/DxeHttpIoLib/DxeHttpIoLib.inf
new file mode 100644
index 0000000000..d20cace84e
--- /dev/null
+++ b/NetworkPkg/Library/DxeHttpIoLib/DxeHttpIoLib.inf
@@ -0,0 +1,46 @@
+## @file
+# This library instance provides HTTP IO helper functions.
+#
+# (C) Copyright 2020 Hewlett Packard Enterprise Development LP<BR>
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+ INF_VERSION = 0x0001001b
+ BASE_NAME = DxeHttpIoLib
+ MODULE_UNI_FILE = DxeHttpIoLib.uni
+ FILE_GUID = 50B198F8-7986-4F51-A857-CFE4643D59F3
+ MODULE_TYPE = DXE_DRIVER
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = HttpIoLib| DXE_CORE DXE_DRIVER DXE_RUNTIME_DRIVER DXE_SMM_DRIVER UEFI_APPLICATION UEFI_DRIVER
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64 EBC ARM AARM64 RISCV64
+#
+
+[Sources]
+ DxeHttpIoLib.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ NetworkPkg/NetworkPkg.dec
+
+
+[LibraryClasses]
+ BaseLib
+ BaseMemoryLib
+ DebugLib
+ DpcLib
+ MemoryAllocationLib
+ PrintLib
+ UefiBootServicesTableLib
+
+[Protocols]
+ gEfiHttpProtocolGuid ## SOMETIMES_CONSUMES
+
+[Pcd]
+ gEfiNetworkPkgTokenSpaceGuid.PcdMaxHttpChunkTransfer ## SOMETIMES_CONSUMES
+
diff --git a/NetworkPkg/Library/DxeHttpIoLib/DxeHttpIoLib.uni b/NetworkPkg/Library/DxeHttpIoLib/DxeHttpIoLib.uni
new file mode 100644
index 0000000000..d419b1a49d
--- /dev/null
+++ b/NetworkPkg/Library/DxeHttpIoLib/DxeHttpIoLib.uni
@@ -0,0 +1,13 @@
+// /** @file
+// The library instance provides HTTP IO helper functions.
+//
+// (C) Copyright 2020 Hewlett Packard Enterprise Development LP<BR>
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+// **/
+
+
+#string STR_MODULE_ABSTRACT #language en-US "HTTP IO Helper Library"
+
+#string STR_MODULE_DESCRIPTION #language en-US "The library instance provides HTTP IO helper functions."
+
--
2.17.1
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