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api.c
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api.c
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/*++
Copyright (c) Microsoft Corporation.
Licensed under the MIT License.
Abstract:
This module provides the implementation for most of the MsQuic* APIs.
--*/
#include "precomp.h"
#ifdef QUIC_CLOG
#include "api.c.clog.h"
#endif
#define IS_REGISTRATION_HANDLE(Handle) \
( \
(Handle) != NULL && (Handle)->Type == QUIC_HANDLE_TYPE_REGISTRATION \
)
#define IS_CONN_HANDLE(Handle) \
( \
(Handle) != NULL && \
((Handle)->Type == QUIC_HANDLE_TYPE_CONNECTION_CLIENT || (Handle)->Type == QUIC_HANDLE_TYPE_CONNECTION_SERVER) \
)
#define IS_STREAM_HANDLE(Handle) \
( \
(Handle) != NULL && (Handle)->Type == QUIC_HANDLE_TYPE_STREAM \
)
_IRQL_requires_max_(DISPATCH_LEVEL)
QUIC_STATUS
QUIC_API
MsQuicConnectionOpen(
_In_ _Pre_defensive_ HQUIC RegistrationHandle,
_In_ _Pre_defensive_ QUIC_CONNECTION_CALLBACK_HANDLER Handler,
_In_opt_ void* Context,
_Outptr_ _At_(*NewConnection, __drv_allocatesMem(Mem)) _Pre_defensive_
HQUIC *NewConnection
)
{
QUIC_STATUS Status;
QUIC_REGISTRATION* Registration;
QUIC_CONNECTION* Connection = NULL;
QuicTraceEvent(
ApiEnter,
"[ api] Enter %u (%p).",
QUIC_TRACE_API_CONNECTION_OPEN,
RegistrationHandle);
if (!IS_REGISTRATION_HANDLE(RegistrationHandle) ||
NewConnection == NULL ||
Handler == NULL) {
Status = QUIC_STATUS_INVALID_PARAMETER;
goto Error;
}
#pragma prefast(suppress: __WARNING_25024, "Pointer cast already validated.")
Registration = (QUIC_REGISTRATION*)RegistrationHandle;
Status =
QuicConnAlloc(
Registration,
NULL,
NULL,
&Connection);
if (QUIC_FAILED(Status)) {
goto Error;
}
Connection->ClientCallbackHandler = Handler;
Connection->ClientContext = Context;
*NewConnection = (HQUIC)Connection;
Status = QUIC_STATUS_SUCCESS;
Error:
QuicTraceEvent(
ApiExitStatus,
"[ api] Exit %u",
Status);
return Status;
}
#pragma warning(push)
#pragma warning(disable:6014) // SAL doesn't understand the free happens on the worker
_IRQL_requires_max_(PASSIVE_LEVEL)
void
QUIC_API
MsQuicConnectionClose(
_In_ _Pre_defensive_ __drv_freesMem(Mem)
HQUIC Handle
)
{
QUIC_CONNECTION* Connection;
CXPLAT_PASSIVE_CODE();
QuicTraceEvent(
ApiEnter,
"[ api] Enter %u (%p).",
QUIC_TRACE_API_CONNECTION_CLOSE,
Handle);
if (!IS_CONN_HANDLE(Handle)) {
goto Error;
}
#pragma prefast(suppress: __WARNING_25024, "Pointer cast already validated.")
Connection = (QUIC_CONNECTION*)Handle;
CXPLAT_TEL_ASSERT(!Connection->State.Freed);
QUIC_CONN_VERIFY(Connection, !Connection->State.HandleClosed);
BOOLEAN IsWorkerThread = Connection->WorkerThreadID == CxPlatCurThreadID();
if (IsWorkerThread && Connection->State.HandleClosed) {
//
// Close being called from worker thread after being closed by app
// thread. This is an app programming bug, and they should be checking
// the AppCloseInProgress flag, but as the handle is stil valid here
// we can just make this a no-op.
//
goto Error;
}
CXPLAT_TEL_ASSERT(!Connection->State.HandleClosed);
if (IsWorkerThread) {
//
// Execute this blocking API call inline if called on the worker thread.
//
BOOLEAN AlreadyInline = Connection->State.InlineApiExecution;
if (!AlreadyInline) {
Connection->State.InlineApiExecution = TRUE;
}
QuicConnCloseHandle(Connection);
if (!AlreadyInline) {
Connection->State.InlineApiExecution = FALSE;
}
} else {
CXPLAT_EVENT CompletionEvent;
QUIC_OPERATION Oper = { 0 };
QUIC_API_CONTEXT ApiCtx;
Oper.Type = QUIC_OPER_TYPE_API_CALL;
Oper.FreeAfterProcess = FALSE;
Oper.API_CALL.Context = &ApiCtx;
ApiCtx.Type = QUIC_API_TYPE_CONN_CLOSE;
CxPlatEventInitialize(&CompletionEvent, TRUE, FALSE);
ApiCtx.Completed = &CompletionEvent;
ApiCtx.Status = NULL;
//
// Queue the operation and wait for it to be processed.
//
QuicConnQueueOper(Connection, &Oper);
QuicTraceEvent(
ApiWaitOperation,
"[ api] Waiting on operation");
CxPlatEventWaitForever(CompletionEvent);
CxPlatEventUninitialize(CompletionEvent);
}
//
// Connection can only be released by the application after the released
// flag was set, in response to the CONN_CLOSE operation was processed.
//
CXPLAT_TEL_ASSERT(Connection->State.HandleClosed);
//
// Release the reference to the Connection.
//
QuicConnRelease(Connection, QUIC_CONN_REF_HANDLE_OWNER);
Error:
QuicTraceEvent(
ApiExit,
"[ api] Exit");
}
#pragma warning(pop)
_IRQL_requires_max_(DISPATCH_LEVEL)
void
QUIC_API
MsQuicConnectionShutdown(
_In_ _Pre_defensive_ HQUIC Handle,
_In_ QUIC_CONNECTION_SHUTDOWN_FLAGS Flags,
_In_ _Pre_defensive_ QUIC_UINT62 ErrorCode
)
{
QUIC_CONNECTION* Connection;
QUIC_OPERATION* Oper;
QuicTraceEvent(
ApiEnter,
"[ api] Enter %u (%p).",
QUIC_TRACE_API_CONNECTION_SHUTDOWN,
Handle);
if (IS_CONN_HANDLE(Handle)) {
#pragma prefast(suppress: __WARNING_25024, "Pointer cast already validated.")
Connection = (QUIC_CONNECTION*)Handle;
} else if (IS_STREAM_HANDLE(Handle)) {
#pragma prefast(suppress: __WARNING_25024, "Pointer cast already validated.")
QUIC_STREAM* Stream = (QUIC_STREAM*)Handle;
CXPLAT_TEL_ASSERT(!Stream->Flags.HandleClosed);
CXPLAT_TEL_ASSERT(!Stream->Flags.Freed);
Connection = Stream->Connection;
} else {
goto Error;
}
if (ErrorCode > QUIC_UINT62_MAX) {
QUIC_CONN_VERIFY(Connection, ErrorCode <= QUIC_UINT62_MAX);
goto Error;
}
QUIC_CONN_VERIFY(Connection, !Connection->State.Freed);
QUIC_CONN_VERIFY(Connection,
(Connection->WorkerThreadID == CxPlatCurThreadID()) ||
!Connection->State.HandleClosed);
Oper = QuicOperationAlloc(Connection->Worker, QUIC_OPER_TYPE_API_CALL);
if (Oper == NULL) {
if (InterlockedCompareExchange16(
(short*)&Connection->BackUpOperUsed, 1, 0) != 0) {
goto Error; // It's already started the shutdown.
}
Oper = &Connection->BackUpOper;
Oper->FreeAfterProcess = FALSE;
Oper->Type = QUIC_OPER_TYPE_API_CALL;
Oper->API_CALL.Context = &Connection->BackupApiContext;
}
Oper->API_CALL.Context->Type = QUIC_API_TYPE_CONN_SHUTDOWN;
Oper->API_CALL.Context->CONN_SHUTDOWN.Flags = Flags;
Oper->API_CALL.Context->CONN_SHUTDOWN.ErrorCode = ErrorCode;
Oper->API_CALL.Context->CONN_SHUTDOWN.RegistrationShutdown = FALSE;
//
// Queue the operation but don't wait for the completion.
//
QuicConnQueueHighestPriorityOper(Connection, Oper);
Error:
QuicTraceEvent(
ApiExit,
"[ api] Exit");
}
_IRQL_requires_max_(DISPATCH_LEVEL)
QUIC_STATUS
QUIC_API
MsQuicConnectionStart(
_In_ _Pre_defensive_ HQUIC Handle,
_In_ _Pre_defensive_ HQUIC ConfigHandle,
_In_ QUIC_ADDRESS_FAMILY Family,
_In_reads_or_z_opt_(QUIC_MAX_SNI_LENGTH)
const char* ServerName,
_In_ uint16_t ServerPort // Host byte order
)
{
QUIC_STATUS Status;
QUIC_CONNECTION* Connection;
QUIC_CONFIGURATION* Configuration;
QUIC_OPERATION* Oper;
char* ServerNameCopy = NULL;
QuicTraceEvent(
ApiEnter,
"[ api] Enter %u (%p).",
QUIC_TRACE_API_CONNECTION_START,
Handle);
if (ConfigHandle == NULL ||
ConfigHandle->Type != QUIC_HANDLE_TYPE_CONFIGURATION ||
ServerPort == 0) {
Status = QUIC_STATUS_INVALID_PARAMETER;
goto Error;
}
//
// Make sure the connection is to a IPv4 or IPv6 address or unspecified.
//
if (Family != QUIC_ADDRESS_FAMILY_UNSPEC &&
Family != QUIC_ADDRESS_FAMILY_INET &&
Family != QUIC_ADDRESS_FAMILY_INET6) {
Status = QUIC_STATUS_INVALID_PARAMETER;
goto Error;
}
if (IS_CONN_HANDLE(Handle)) {
#pragma prefast(suppress: __WARNING_25024, "Pointer cast already validated.")
Connection = (QUIC_CONNECTION*)Handle;
} else if (IS_STREAM_HANDLE(Handle)) {
#pragma prefast(suppress: __WARNING_25024, "Pointer cast already validated.")
QUIC_STREAM* Stream = (QUIC_STREAM*)Handle;
CXPLAT_TEL_ASSERT(!Stream->Flags.HandleClosed);
CXPLAT_TEL_ASSERT(!Stream->Flags.Freed);
Connection = Stream->Connection;
} else {
Status = QUIC_STATUS_INVALID_PARAMETER;
goto Error;
}
QUIC_CONN_VERIFY(Connection, !Connection->State.Freed);
if (QuicConnIsServer(Connection) ||
(!Connection->State.RemoteAddressSet && ServerName == NULL)) {
Status = QUIC_STATUS_INVALID_PARAMETER;
goto Error;
}
if (Connection->State.Started || Connection->State.ClosedLocally) {
Status = QUIC_STATUS_INVALID_STATE; // TODO - Support the Connect after close/previous connect failure?
goto Error;
}
Configuration = (QUIC_CONFIGURATION*)ConfigHandle;
if (Configuration->SecurityConfig == NULL) {
Status = QUIC_STATUS_INVALID_PARAMETER;
goto Error;
}
if (ServerName != NULL) {
//
// Validate the server name length.
//
size_t ServerNameLength = strnlen(ServerName, QUIC_MAX_SNI_LENGTH + 1);
if (ServerNameLength == QUIC_MAX_SNI_LENGTH + 1) {
Status = QUIC_STATUS_INVALID_PARAMETER;
goto Error;
}
//
// Allocate copy of the server name, to save with the connection.
//
#pragma prefast(suppress: __WARNING_6014, "Memory is correctly freed by the connection.")
ServerNameCopy = CXPLAT_ALLOC_NONPAGED(ServerNameLength + 1, QUIC_POOL_SERVERNAME);
if (ServerNameCopy == NULL) {
Status = QUIC_STATUS_OUT_OF_MEMORY;
QuicTraceEvent(
AllocFailure,
"Allocation of '%s' failed. (%llu bytes)",
"Server name",
ServerNameLength + 1);
goto Error;
}
CxPlatCopyMemory(ServerNameCopy, ServerName, ServerNameLength);
ServerNameCopy[ServerNameLength] = 0;
}
QUIC_CONN_VERIFY(Connection, !Connection->State.HandleClosed);
CXPLAT_DBG_ASSERT(QuicConnIsClient(Connection));
Oper = QuicOperationAlloc(Connection->Worker, QUIC_OPER_TYPE_API_CALL);
if (Oper == NULL) {
Status = QUIC_STATUS_OUT_OF_MEMORY;
QuicTraceEvent(
AllocFailure,
"Allocation of '%s' failed. (%llu bytes)",
"CONN_START operation",
0);
goto Error;
}
QuicConfigurationAddRef(Configuration);
Oper->API_CALL.Context->Type = QUIC_API_TYPE_CONN_START;
Oper->API_CALL.Context->CONN_START.Configuration = Configuration;
Oper->API_CALL.Context->CONN_START.ServerName = ServerNameCopy;
Oper->API_CALL.Context->CONN_START.ServerPort = ServerPort;
Oper->API_CALL.Context->CONN_START.Family = Family;
ServerNameCopy = NULL;
//
// Queue the operation but don't wait for the completion.
//
QuicConnQueueOper(Connection, Oper);
Status = QUIC_STATUS_PENDING;
Error:
if (ServerNameCopy != NULL) {
CXPLAT_FREE(ServerNameCopy, QUIC_POOL_SERVERNAME);
}
QuicTraceEvent(
ApiExitStatus,
"[ api] Exit %u",
Status);
return Status;
}
_IRQL_requires_max_(DISPATCH_LEVEL)
QUIC_STATUS
QUIC_API
MsQuicConnectionSetConfiguration(
_In_ _Pre_defensive_ HQUIC Handle,
_In_ _Pre_defensive_ HQUIC ConfigHandle
)
{
QUIC_STATUS Status;
QUIC_CONNECTION* Connection;
QUIC_CONFIGURATION* Configuration;
QUIC_OPERATION* Oper;
QuicTraceEvent(
ApiEnter,
"[ api] Enter %u (%p).",
QUIC_TRACE_API_CONNECTION_SET_CONFIGURATION,
Handle);
if (ConfigHandle == NULL ||
ConfigHandle->Type != QUIC_HANDLE_TYPE_CONFIGURATION) {
Status = QUIC_STATUS_INVALID_PARAMETER;
goto Error;
}
if (IS_CONN_HANDLE(Handle)) {
#pragma prefast(suppress: __WARNING_25024, "Pointer cast already validated.")
Connection = (QUIC_CONNECTION*)Handle;
} else if (IS_STREAM_HANDLE(Handle)) {
#pragma prefast(suppress: __WARNING_25024, "Pointer cast already validated.")
QUIC_STREAM* Stream = (QUIC_STREAM*)Handle;
CXPLAT_TEL_ASSERT(!Stream->Flags.HandleClosed);
CXPLAT_TEL_ASSERT(!Stream->Flags.Freed);
Connection = Stream->Connection;
} else {
Status = QUIC_STATUS_INVALID_PARAMETER;
goto Error;
}
QUIC_CONN_VERIFY(Connection, !Connection->State.Freed);
if (QuicConnIsClient(Connection)) {
Status = QUIC_STATUS_INVALID_PARAMETER;
goto Error;
}
if (Connection->Configuration != NULL) {
Status = QUIC_STATUS_INVALID_STATE;
goto Error;
}
Configuration = (QUIC_CONFIGURATION*)ConfigHandle;
if (Configuration->SecurityConfig == NULL) {
Status = QUIC_STATUS_INVALID_PARAMETER;
goto Error;
}
QUIC_CONN_VERIFY(Connection, !Connection->State.HandleClosed);
CXPLAT_DBG_ASSERT(QuicConnIsServer(Connection));
Oper = QuicOperationAlloc(Connection->Worker, QUIC_OPER_TYPE_API_CALL);
if (Oper == NULL) {
Status = QUIC_STATUS_OUT_OF_MEMORY;
QuicTraceEvent(
AllocFailure,
"Allocation of '%s' failed. (%llu bytes)",
"CONN_SET_CONFIGURATION operation",
0);
goto Error;
}
QuicConfigurationAddRef(Configuration);
Oper->API_CALL.Context->Type = QUIC_API_TYPE_CONN_SET_CONFIGURATION;
Oper->API_CALL.Context->CONN_SET_CONFIGURATION.Configuration = Configuration;
//
// Queue the operation but don't wait for the completion.
//
QuicConnQueueOper(Connection, Oper);
Status = QUIC_STATUS_PENDING;
Error:
QuicTraceEvent(
ApiExitStatus,
"[ api] Exit %u",
Status);
return Status;
}
_IRQL_requires_max_(DISPATCH_LEVEL)
QUIC_STATUS
QUIC_API
MsQuicConnectionSendResumptionTicket(
_In_ _Pre_defensive_ HQUIC Handle,
_In_ QUIC_SEND_RESUMPTION_FLAGS Flags,
_In_ uint16_t DataLength,
_In_reads_bytes_opt_(DataLength)
const uint8_t* ResumptionData
)
{
QUIC_STATUS Status;
QUIC_CONNECTION* Connection;
QUIC_OPERATION* Oper;
uint8_t* ResumptionDataCopy = NULL;
QuicTraceEvent(
ApiEnter,
"[ api] Enter %u (%p).",
QUIC_TRACE_API_CONNECTION_SEND_RESUMPTION_TICKET,
Handle);
if (DataLength > QUIC_MAX_RESUMPTION_APP_DATA_LENGTH ||
(ResumptionData == NULL && DataLength != 0)) {
Status = QUIC_STATUS_INVALID_PARAMETER;
goto Error;
}
if (Flags > (QUIC_SEND_RESUMPTION_FLAG_FINAL | QUIC_SEND_RESUMPTION_FLAG_NONE)) {
Status = QUIC_STATUS_INVALID_PARAMETER;
goto Error;
}
if (IS_CONN_HANDLE(Handle)) {
#pragma prefast(suppress: __WARNING_25024, "Pointer cast already validated.")
Connection = (QUIC_CONNECTION*)Handle;
} else if (IS_STREAM_HANDLE(Handle)) {
#pragma prefast(suppress: __WARNING_25024, "Pointer cast already validated.")
QUIC_STREAM* Stream = (QUIC_STREAM*)Handle;
CXPLAT_TEL_ASSERT(!Stream->Flags.HandleClosed);
CXPLAT_TEL_ASSERT(!Stream->Flags.Freed);
Connection = Stream->Connection;
} else {
Status = QUIC_STATUS_INVALID_PARAMETER;
goto Error;
}
QUIC_CONN_VERIFY(Connection, !Connection->State.Freed);
QUIC_CONN_VERIFY(Connection, !Connection->State.HandleClosed);
if (QuicConnIsClient(Connection)) {
Status = QUIC_STATUS_INVALID_PARAMETER;
goto Error;
}
if (!Connection->State.ResumptionEnabled ||
!Connection->State.Connected ||
!Connection->Crypto.TlsState.HandshakeComplete) {
Status = QUIC_STATUS_INVALID_STATE; // TODO - Support queueing up the ticket to send once connected.
goto Error;
}
if (DataLength > 0) {
ResumptionDataCopy = CXPLAT_ALLOC_NONPAGED(DataLength, QUIC_POOL_APP_RESUMPTION_DATA);
if (ResumptionDataCopy == NULL) {
Status = QUIC_STATUS_OUT_OF_MEMORY;
QuicTraceEvent(
AllocFailure,
"Allocation of '%s' failed. (%llu bytes)",
"Resumption data copy",
DataLength);
goto Error;
}
CxPlatCopyMemory(ResumptionDataCopy, ResumptionData, DataLength);
}
Oper = QuicOperationAlloc(Connection->Worker, QUIC_OPER_TYPE_API_CALL);
if (Oper == NULL) {
Status = QUIC_STATUS_OUT_OF_MEMORY;
QuicTraceEvent(
AllocFailure,
"Allocation of '%s' failed. (%llu bytes)",
"CONN_SEND_RESUMPTION_TICKET operation",
0);
goto Error;
}
Oper->API_CALL.Context->Type = QUIC_API_TYPE_CONN_SEND_RESUMPTION_TICKET;
Oper->API_CALL.Context->CONN_SEND_RESUMPTION_TICKET.Flags = Flags;
Oper->API_CALL.Context->CONN_SEND_RESUMPTION_TICKET.ResumptionAppData = ResumptionDataCopy;
Oper->API_CALL.Context->CONN_SEND_RESUMPTION_TICKET.AppDataLength = DataLength;
//
// Queue the operation but don't wait for the completion.
//
QuicConnQueueOper(Connection, Oper);
Status = QUIC_STATUS_SUCCESS;
ResumptionDataCopy = NULL;
Error:
if (ResumptionDataCopy != NULL) {
CXPLAT_FREE(ResumptionDataCopy, QUIC_POOL_APP_RESUMPTION_DATA);
}
QuicTraceEvent(
ApiExitStatus,
"[ api] Exit %u",
Status);
return Status;
}
_IRQL_requires_max_(DISPATCH_LEVEL)
QUIC_STATUS
QUIC_API
MsQuicStreamOpen(
_In_ _Pre_defensive_ HQUIC Handle,
_In_ QUIC_STREAM_OPEN_FLAGS Flags,
_In_ _Pre_defensive_ QUIC_STREAM_CALLBACK_HANDLER Handler,
_In_opt_ void* Context,
_Outptr_ _At_(*NewStream, __drv_allocatesMem(Mem)) _Pre_defensive_
HQUIC *NewStream
)
{
QUIC_STATUS Status;
QUIC_CONNECTION* Connection;
QuicTraceEvent(
ApiEnter,
"[ api] Enter %u (%p).",
QUIC_TRACE_API_STREAM_OPEN,
Handle);
if (NewStream == NULL ||
Handler == NULL) {
Status = QUIC_STATUS_INVALID_PARAMETER;
goto Error;
}
if (IS_CONN_HANDLE(Handle)) {
#pragma prefast(suppress: __WARNING_25024, "Pointer cast already validated.")
Connection = (QUIC_CONNECTION*)Handle;
} else if (IS_STREAM_HANDLE(Handle)) {
#pragma prefast(suppress: __WARNING_25024, "Pointer cast already validated.")
QUIC_STREAM* Stream = (QUIC_STREAM*)Handle;
CXPLAT_TEL_ASSERT(!Stream->Flags.HandleClosed);
CXPLAT_TEL_ASSERT(!Stream->Flags.Freed);
Connection = Stream->Connection;
} else {
Status = QUIC_STATUS_INVALID_PARAMETER;
goto Error;
}
QUIC_CONN_VERIFY(Connection, !Connection->State.Freed);
BOOLEAN ClosedLocally = Connection->State.ClosedLocally;
if (ClosedLocally || Connection->State.ClosedRemotely) {
Status =
ClosedLocally ?
QUIC_STATUS_INVALID_STATE :
QUIC_STATUS_ABORTED;
goto Error;
}
Status =
QuicStreamInitialize(
Connection,
FALSE,
!!(Flags & QUIC_STREAM_OPEN_FLAG_UNIDIRECTIONAL),
!!(Flags & QUIC_STREAM_OPEN_FLAG_0_RTT),
(QUIC_STREAM**)NewStream);
if (QUIC_FAILED(Status)) {
goto Error;
}
(*(QUIC_STREAM**)NewStream)->ClientCallbackHandler = Handler;
(*(QUIC_STREAM**)NewStream)->ClientContext = Context;
Error:
QuicTraceEvent(
ApiExitStatus,
"[ api] Exit %u",
Status);
return Status;
}
#pragma warning(push)
#pragma warning(disable:6014) // SAL doesn't understand the free happens on the worker
_IRQL_requires_max_(PASSIVE_LEVEL)
void
QUIC_API
MsQuicStreamClose(
_In_ _Pre_defensive_ __drv_freesMem(Mem)
HQUIC Handle
)
{
QUIC_STREAM* Stream;
QUIC_CONNECTION* Connection;
CXPLAT_PASSIVE_CODE();
QuicTraceEvent(
ApiEnter,
"[ api] Enter %u (%p).",
QUIC_TRACE_API_STREAM_CLOSE,
Handle);
if (!IS_STREAM_HANDLE(Handle)) {
goto Error;
}
#pragma prefast(suppress: __WARNING_25024, "Pointer cast already validated.")
Stream = (QUIC_STREAM*)Handle;
CXPLAT_TEL_ASSERT(!Stream->Flags.Freed);
Connection = Stream->Connection;
QUIC_CONN_VERIFY(Connection, !Connection->State.Freed);
QUIC_CONN_VERIFY(Connection, !Stream->Flags.HandleClosed);
BOOLEAN IsWorkerThread = Connection->WorkerThreadID == CxPlatCurThreadID();
if (IsWorkerThread && Stream->Flags.HandleClosed) {
//
// Close being called from worker thread after being closed by app
// thread. This is an app programming bug, and they should be checking
// the AppCloseInProgress flag, but as the handle is stil valid here
// we can just make this a no-op.
//
goto Error;
}
CXPLAT_TEL_ASSERT(!Stream->Flags.HandleClosed);
if (IsWorkerThread) {
//
// Execute this blocking API call inline if called on the worker thread.
//
BOOLEAN AlreadyInline = Connection->State.InlineApiExecution;
if (!AlreadyInline) {
Connection->State.InlineApiExecution = TRUE;
}
QuicStreamClose(Stream);
if (!AlreadyInline) {
Connection->State.InlineApiExecution = FALSE;
}
} else {
QUIC_CONN_VERIFY(Connection, !Connection->State.HandleClosed);
BOOLEAN AlreadyShutdownComplete = Stream->ClientCallbackHandler == NULL;
if (AlreadyShutdownComplete) {
//
// No need to wait for the close if already shutdown complete.
//
QUIC_OPERATION* Oper =
QuicOperationAlloc(Connection->Worker, QUIC_OPER_TYPE_API_CALL);
if (Oper != NULL) {
Oper->API_CALL.Context->Type = QUIC_API_TYPE_STRM_CLOSE;
Oper->API_CALL.Context->STRM_CLOSE.Stream = Stream;
QuicConnQueueOper(Connection, Oper);
goto Error;
}
}
CXPLAT_EVENT CompletionEvent;
QUIC_OPERATION Oper = { 0 };
QUIC_API_CONTEXT ApiCtx;
Oper.Type = QUIC_OPER_TYPE_API_CALL;
Oper.FreeAfterProcess = FALSE;
Oper.API_CALL.Context = &ApiCtx;
ApiCtx.Type = QUIC_API_TYPE_STRM_CLOSE;
CxPlatEventInitialize(&CompletionEvent, TRUE, FALSE);
ApiCtx.Completed = &CompletionEvent;
ApiCtx.Status = NULL;
ApiCtx.STRM_CLOSE.Stream = Stream;
//
// Queue the operation and wait for it to be processed.
//
QuicConnQueueOper(Connection, &Oper);
QuicTraceEvent(
ApiWaitOperation,
"[ api] Waiting on operation");
CxPlatEventWaitForever(CompletionEvent);
CxPlatEventUninitialize(CompletionEvent);
}
Error:
QuicTraceEvent(
ApiExit,
"[ api] Exit");
}
#pragma warning(pop)
_IRQL_requires_max_(DISPATCH_LEVEL)
QUIC_STATUS
QUIC_API
MsQuicStreamStart(
_In_ _Pre_defensive_ HQUIC Handle,
_In_ QUIC_STREAM_START_FLAGS Flags
)
{
QUIC_STATUS Status;
QUIC_STREAM* Stream;
QUIC_CONNECTION* Connection;
QuicTraceEvent(
ApiEnter,
"[ api] Enter %u (%p).",
QUIC_TRACE_API_STREAM_START,
Handle);
if (!IS_STREAM_HANDLE(Handle)) {
Status = QUIC_STATUS_INVALID_PARAMETER;
goto Exit;
}
#pragma prefast(suppress: __WARNING_25024, "Pointer cast already validated.")
Stream = (QUIC_STREAM*)Handle;
CXPLAT_TEL_ASSERT(!Stream->Flags.HandleClosed);
CXPLAT_TEL_ASSERT(!Stream->Flags.Freed);
Connection = Stream->Connection;
QUIC_CONN_VERIFY(Connection, !Connection->State.Freed);
if (Stream->Flags.Started) {
Status = QUIC_STATUS_INVALID_STATE;
goto Exit;
}
if (Connection->State.ClosedRemotely) {
Status = QUIC_STATUS_ABORTED;
goto Exit;
}
QUIC_OPERATION* Oper =
QuicOperationAlloc(Connection->Worker, QUIC_OPER_TYPE_API_CALL);
if (Oper == NULL) {
Status = QUIC_STATUS_OUT_OF_MEMORY;
QuicTraceEvent(
AllocFailure,
"Allocation of '%s' failed. (%llu bytes)",
"STRM_START operation",
0);
goto Exit;
}
Oper->API_CALL.Context->Type = QUIC_API_TYPE_STRM_START;
Oper->API_CALL.Context->STRM_START.Stream = Stream;
Oper->API_CALL.Context->STRM_START.Flags = Flags;
//
// Async stream operations need to hold a ref on the stream so that the
// stream isn't freed before the operation can be processed. The ref is
// released after the operation is processed.
//
QuicStreamAddRef(Stream, QUIC_STREAM_REF_OPERATION);
//
// Queue the operation but don't wait for the completion.
//
QuicConnQueueOper(Connection, Oper);
Status = QUIC_STATUS_PENDING;
Exit:
QuicTraceEvent(
ApiExitStatus,
"[ api] Exit %u",
Status);
return Status;
}
_IRQL_requires_max_(DISPATCH_LEVEL)
QUIC_STATUS
QUIC_API
MsQuicStreamShutdown(
_In_ _Pre_defensive_ HQUIC Handle,
_In_ QUIC_STREAM_SHUTDOWN_FLAGS Flags,
_In_ _Pre_defensive_ QUIC_UINT62 ErrorCode
)
{
QUIC_STATUS Status;
QUIC_STREAM* Stream;
QUIC_CONNECTION* Connection;
QUIC_OPERATION* Oper;
QuicTraceEvent(
ApiEnter,
"[ api] Enter %u (%p).",
QUIC_TRACE_API_STREAM_SHUTDOWN,
Handle);
if (!IS_STREAM_HANDLE(Handle) ||
Flags == 0 || Flags == QUIC_STREAM_SHUTDOWN_SILENT) {
Status = QUIC_STATUS_INVALID_PARAMETER;
goto Error;
}
if (ErrorCode > QUIC_UINT62_MAX) {
Status = QUIC_STATUS_INVALID_PARAMETER;
goto Error;
}
if (Flags & QUIC_STREAM_SHUTDOWN_FLAG_GRACEFUL &&
Flags & (QUIC_STREAM_SHUTDOWN_FLAG_ABORT | QUIC_STREAM_SHUTDOWN_FLAG_IMMEDIATE)) {
//
// Not allowed to use the graceful shutdown flag with any other flag.
//
Status = QUIC_STATUS_INVALID_PARAMETER;
goto Error;
}
if (Flags & QUIC_STREAM_SHUTDOWN_FLAG_IMMEDIATE &&
Flags != (QUIC_STREAM_SHUTDOWN_FLAG_IMMEDIATE |
QUIC_STREAM_SHUTDOWN_FLAG_ABORT_RECEIVE |
QUIC_STREAM_SHUTDOWN_FLAG_ABORT_SEND)) {
//
// Immediate shutdown requires both directions to be aborted.
//
Status = QUIC_STATUS_INVALID_PARAMETER;
goto Error;
}
#pragma prefast(suppress: __WARNING_25024, "Pointer cast already validated.")
Stream = (QUIC_STREAM*)Handle;
CXPLAT_TEL_ASSERT(!Stream->Flags.HandleClosed);
CXPLAT_TEL_ASSERT(!Stream->Flags.Freed);
Connection = Stream->Connection;
QUIC_CONN_VERIFY(Connection, !Connection->State.Freed);
QUIC_CONN_VERIFY(Connection, !Connection->State.HandleClosed);
if (Flags & QUIC_STREAM_SHUTDOWN_FLAG_INLINE &&
Connection->WorkerThreadID == CxPlatCurThreadID()) {
CXPLAT_PASSIVE_CODE();
//
// Execute this blocking API call inline if called on the worker thread.
//
BOOLEAN AlreadyInline = Connection->State.InlineApiExecution;
if (!AlreadyInline) {
Connection->State.InlineApiExecution = TRUE;
}
QuicStreamShutdown(Stream, Flags, ErrorCode);
if (!AlreadyInline) {
Connection->State.InlineApiExecution = FALSE;
}
Status = QUIC_STATUS_SUCCESS;
goto Error;
}
Oper = QuicOperationAlloc(Connection->Worker, QUIC_OPER_TYPE_API_CALL);
if (Oper == NULL) {
Status = QUIC_STATUS_OUT_OF_MEMORY;
QuicTraceEvent(
AllocFailure,
"Allocation of '%s' failed. (%llu bytes)",
"STRM_SHUTDOWN operation",
0);
goto Error;
}
Oper->API_CALL.Context->Type = QUIC_API_TYPE_STRM_SHUTDOWN;
Oper->API_CALL.Context->STRM_SHUTDOWN.Stream = Stream;
Oper->API_CALL.Context->STRM_SHUTDOWN.Flags = Flags;
Oper->API_CALL.Context->STRM_SHUTDOWN.ErrorCode = ErrorCode;
//
// Async stream operations need to hold a ref on the stream so that the
// stream isn't freed before the operation can be processed. The ref is
// released after the operation is processed.
//
QuicStreamAddRef(Stream, QUIC_STREAM_REF_OPERATION);
//
// Queue the operation but don't wait for the completion.
//
QuicConnQueueOper(Connection, Oper);
Status = QUIC_STATUS_PENDING;
Error:
QuicTraceEvent(
ApiExitStatus,
"[ api] Exit %u",
Status);
return Status;
}
_IRQL_requires_max_(DISPATCH_LEVEL)
QUIC_STATUS
QUIC_API
MsQuicStreamSend(