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msquic.h
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/*++
Copyright (c) Microsoft Corporation.
Licensed under the MIT License.
Abstract:
Declarations for the MsQuic API, which enables applications and drivers to
create QUIC connections as a client or server.
For more detailed information, see ../docs/API.md
Supported Platforms:
Windows User mode
Windows Kernel mode
Linux User mode
--*/
#ifndef _MSQUIC_
#define _MSQUIC_
#ifdef _WIN32
#pragma once
#endif
#pragma warning(disable:4201) // nonstandard extension used: nameless struct/union
#pragma warning(disable:4214) // nonstandard extension used: bit field types other than int
#ifdef _KERNEL_MODE
#include "msquic_winkernel.h"
#elif _WIN32
#include "msquic_winuser.h"
#elif __linux__ || __APPLE__ || __FreeBSD__
#include "msquic_posix.h"
#else
#error "Unsupported Platform"
#endif
#if defined(__cplusplus)
extern "C" {
#endif
typedef struct QUIC_HANDLE *HQUIC;
//
// The maximum value that can be encoded in a 62-bit integer.
//
#define QUIC_UINT62_MAX ((1ULL << 62U) - 1)
//
// Represents a 62-bit integer.
//
typedef _In_range_(0, QUIC_UINT62_MAX) uint64_t QUIC_UINT62;
//
// An ALPN must not exceed 255 bytes, and must not be zero-length.
//
#define QUIC_MAX_ALPN_LENGTH 255
//
// A server name must not exceed 65535 bytes.
//
#define QUIC_MAX_SNI_LENGTH 65535
//
// The maximum number of bytes of application data a server application can
// send in a resumption ticket.
//
#define QUIC_MAX_RESUMPTION_APP_DATA_LENGTH 1000
typedef enum QUIC_TLS_PROVIDER {
QUIC_TLS_PROVIDER_SCHANNEL = 0x0000,
QUIC_TLS_PROVIDER_OPENSSL = 0x0001,
} QUIC_TLS_PROVIDER;
typedef enum QUIC_EXECUTION_PROFILE {
QUIC_EXECUTION_PROFILE_LOW_LATENCY, // Default
QUIC_EXECUTION_PROFILE_TYPE_MAX_THROUGHPUT,
QUIC_EXECUTION_PROFILE_TYPE_SCAVENGER,
QUIC_EXECUTION_PROFILE_TYPE_REAL_TIME,
} QUIC_EXECUTION_PROFILE;
typedef enum QUIC_LOAD_BALANCING_MODE {
QUIC_LOAD_BALANCING_DISABLED, // Default
QUIC_LOAD_BALANCING_SERVER_ID_IP, // Encodes IP address in Server ID
QUIC_LOAD_BALANCING_SERVER_ID_FIXED, // Encodes a fixed 4-byte value in Server ID
QUIC_LOAD_BALANCING_COUNT, // The number of supported load balancing modes
// MUST BE LAST
} QUIC_LOAD_BALANCING_MODE;
typedef enum QUIC_CREDENTIAL_TYPE {
QUIC_CREDENTIAL_TYPE_NONE,
QUIC_CREDENTIAL_TYPE_CERTIFICATE_HASH,
QUIC_CREDENTIAL_TYPE_CERTIFICATE_HASH_STORE,
QUIC_CREDENTIAL_TYPE_CERTIFICATE_CONTEXT,
QUIC_CREDENTIAL_TYPE_CERTIFICATE_FILE,
QUIC_CREDENTIAL_TYPE_CERTIFICATE_FILE_PROTECTED,
QUIC_CREDENTIAL_TYPE_CERTIFICATE_PKCS12,
} QUIC_CREDENTIAL_TYPE;
typedef enum QUIC_CREDENTIAL_FLAGS {
QUIC_CREDENTIAL_FLAG_NONE = 0x00000000,
QUIC_CREDENTIAL_FLAG_CLIENT = 0x00000001, // Lack of client flag indicates server.
QUIC_CREDENTIAL_FLAG_LOAD_ASYNCHRONOUS = 0x00000002,
QUIC_CREDENTIAL_FLAG_NO_CERTIFICATE_VALIDATION = 0x00000004,
QUIC_CREDENTIAL_FLAG_ENABLE_OCSP = 0x00000008, // Schannel only currently
QUIC_CREDENTIAL_FLAG_INDICATE_CERTIFICATE_RECEIVED = 0x00000010,
QUIC_CREDENTIAL_FLAG_DEFER_CERTIFICATE_VALIDATION = 0x00000020,
QUIC_CREDENTIAL_FLAG_REQUIRE_CLIENT_AUTHENTICATION = 0x00000040,
QUIC_CREDENTIAL_FLAG_USE_TLS_BUILTIN_CERTIFICATE_VALIDATION = 0x00000080, // OpenSSL only currently
QUIC_CREDENTIAL_FLAG_REVOCATION_CHECK_END_CERT = 0x00000100, // Schannel only currently
QUIC_CREDENTIAL_FLAG_REVOCATION_CHECK_CHAIN = 0x00000200, // Schannel only currently
QUIC_CREDENTIAL_FLAG_REVOCATION_CHECK_CHAIN_EXCLUDE_ROOT = 0x00000400, // Schannel only currently
QUIC_CREDENTIAL_FLAG_IGNORE_NO_REVOCATION_CHECK = 0x00000800, // Schannel only currently
QUIC_CREDENTIAL_FLAG_IGNORE_REVOCATION_OFFLINE = 0x00001000, // Schannel only currently
QUIC_CREDENTIAL_FLAG_SET_ALLOWED_CIPHER_SUITES = 0x00002000,
QUIC_CREDENTIAL_FLAG_USE_PORTABLE_CERTIFICATES = 0x00004000,
QUIC_CREDENTIAL_FLAG_USE_SUPPLIED_CREDENTIALS = 0x00008000, // Schannel only
QUIC_CREDENTIAL_FLAG_USE_SYSTEM_MAPPER = 0x00010000, // Schannel only
QUIC_CREDENTIAL_FLAG_CACHE_ONLY_URL_RETRIEVAL = 0x00020000, // Windows only currently
QUIC_CREDENTIAL_FLAG_REVOCATION_CHECK_CACHE_ONLY = 0x00040000, // Windows only currently
QUIC_CREDENTIAL_FLAG_INPROC_PEER_CERTIFICATE = 0x00080000, // Schannel only
QUIC_CREDENTIAL_FLAG_SET_CA_CERTIFICATE_FILE = 0x00100000, // OpenSSL only currently
} QUIC_CREDENTIAL_FLAGS;
DEFINE_ENUM_FLAG_OPERATORS(QUIC_CREDENTIAL_FLAGS)
typedef enum QUIC_ALLOWED_CIPHER_SUITE_FLAGS {
QUIC_ALLOWED_CIPHER_SUITE_NONE = 0x0,
QUIC_ALLOWED_CIPHER_SUITE_AES_128_GCM_SHA256 = 0x1,
QUIC_ALLOWED_CIPHER_SUITE_AES_256_GCM_SHA384 = 0x2,
QUIC_ALLOWED_CIPHER_SUITE_CHACHA20_POLY1305_SHA256 = 0x4, // Not supported on Schannel
} QUIC_ALLOWED_CIPHER_SUITE_FLAGS;
DEFINE_ENUM_FLAG_OPERATORS(QUIC_ALLOWED_CIPHER_SUITE_FLAGS);
typedef enum QUIC_CERTIFICATE_HASH_STORE_FLAGS {
QUIC_CERTIFICATE_HASH_STORE_FLAG_NONE = 0x0000,
QUIC_CERTIFICATE_HASH_STORE_FLAG_MACHINE_STORE = 0x0001,
} QUIC_CERTIFICATE_HASH_STORE_FLAGS;
DEFINE_ENUM_FLAG_OPERATORS(QUIC_CERTIFICATE_HASH_STORE_FLAGS)
typedef enum QUIC_CONNECTION_SHUTDOWN_FLAGS {
QUIC_CONNECTION_SHUTDOWN_FLAG_NONE = 0x0000,
QUIC_CONNECTION_SHUTDOWN_FLAG_SILENT = 0x0001, // Don't send the close frame over the network.
} QUIC_CONNECTION_SHUTDOWN_FLAGS;
DEFINE_ENUM_FLAG_OPERATORS(QUIC_CONNECTION_SHUTDOWN_FLAGS)
typedef enum QUIC_SERVER_RESUMPTION_LEVEL {
QUIC_SERVER_NO_RESUME,
QUIC_SERVER_RESUME_ONLY,
QUIC_SERVER_RESUME_AND_ZERORTT,
} QUIC_SERVER_RESUMPTION_LEVEL;
typedef enum QUIC_SEND_RESUMPTION_FLAGS {
QUIC_SEND_RESUMPTION_FLAG_NONE = 0x0000,
QUIC_SEND_RESUMPTION_FLAG_FINAL = 0x0001, // Free TLS state after sending this ticket.
} QUIC_SEND_RESUMPTION_FLAGS;
DEFINE_ENUM_FLAG_OPERATORS(QUIC_SEND_RESUMPTION_FLAGS)
typedef enum QUIC_STREAM_SCHEDULING_SCHEME {
QUIC_STREAM_SCHEDULING_SCHEME_FIFO = 0x0000, // Sends stream data first come, first served. (Default)
QUIC_STREAM_SCHEDULING_SCHEME_ROUND_ROBIN = 0x0001, // Sends stream data evenly multiplexed.
QUIC_STREAM_SCHEDULING_SCHEME_COUNT, // The number of stream scheduling schemes.
} QUIC_STREAM_SCHEDULING_SCHEME;
typedef enum QUIC_STREAM_OPEN_FLAGS {
QUIC_STREAM_OPEN_FLAG_NONE = 0x0000,
QUIC_STREAM_OPEN_FLAG_UNIDIRECTIONAL = 0x0001, // Indicates the stream is unidirectional.
QUIC_STREAM_OPEN_FLAG_0_RTT = 0x0002, // The stream was opened via a 0-RTT packet.
} QUIC_STREAM_OPEN_FLAGS;
DEFINE_ENUM_FLAG_OPERATORS(QUIC_STREAM_OPEN_FLAGS)
typedef enum QUIC_STREAM_START_FLAGS {
QUIC_STREAM_START_FLAG_NONE = 0x0000,
QUIC_STREAM_START_FLAG_IMMEDIATE = 0x0001, // Immediately informs peer that stream is open.
QUIC_STREAM_START_FLAG_FAIL_BLOCKED = 0x0002, // Only opens the stream if flow control allows.
QUIC_STREAM_START_FLAG_SHUTDOWN_ON_FAIL = 0x0004, // Shutdown the stream immediately after start failure.
QUIC_STREAM_START_FLAG_INDICATE_PEER_ACCEPT = 0x0008, // Indicate PEER_ACCEPTED event if not accepted at start.
} QUIC_STREAM_START_FLAGS;
DEFINE_ENUM_FLAG_OPERATORS(QUIC_STREAM_START_FLAGS)
typedef enum QUIC_STREAM_SHUTDOWN_FLAGS {
QUIC_STREAM_SHUTDOWN_FLAG_NONE = 0x0000,
QUIC_STREAM_SHUTDOWN_FLAG_GRACEFUL = 0x0001, // Cleanly closes the send path.
QUIC_STREAM_SHUTDOWN_FLAG_ABORT_SEND = 0x0002, // Abruptly closes the send path.
QUIC_STREAM_SHUTDOWN_FLAG_ABORT_RECEIVE = 0x0004, // Abruptly closes the receive path.
QUIC_STREAM_SHUTDOWN_FLAG_ABORT = 0x0006, // Abruptly closes both send and receive paths.
QUIC_STREAM_SHUTDOWN_FLAG_IMMEDIATE = 0x0008, // Immediately sends completion events to app.
QUIC_STREAM_SHUTDOWN_FLAG_INLINE = 0x0010, // Process the shutdown immediately inline. Only for calls on callbacks.
// WARNING: Can cause reentrant callbacks!
} QUIC_STREAM_SHUTDOWN_FLAGS;
DEFINE_ENUM_FLAG_OPERATORS(QUIC_STREAM_SHUTDOWN_FLAGS)
typedef enum QUIC_RECEIVE_FLAGS {
QUIC_RECEIVE_FLAG_NONE = 0x0000,
QUIC_RECEIVE_FLAG_0_RTT = 0x0001, // Data was encrypted with 0-RTT key.
QUIC_RECEIVE_FLAG_FIN = 0x0002, // FIN was included with this data.
} QUIC_RECEIVE_FLAGS;
DEFINE_ENUM_FLAG_OPERATORS(QUIC_RECEIVE_FLAGS)
typedef enum QUIC_SEND_FLAGS {
QUIC_SEND_FLAG_NONE = 0x0000,
QUIC_SEND_FLAG_ALLOW_0_RTT = 0x0001, // Allows the use of encrypting with 0-RTT key.
QUIC_SEND_FLAG_START = 0x0002, // Asynchronously starts the stream with the sent data.
QUIC_SEND_FLAG_FIN = 0x0004, // Indicates the request is the one last sent on the stream.
QUIC_SEND_FLAG_DGRAM_PRIORITY = 0x0008, // Indicates the datagram is higher priority than others.
QUIC_SEND_FLAG_DELAY_SEND = 0x0010, // Indicates the send should be delayed because more will be queued soon.
} QUIC_SEND_FLAGS;
DEFINE_ENUM_FLAG_OPERATORS(QUIC_SEND_FLAGS)
typedef enum QUIC_DATAGRAM_SEND_STATE {
QUIC_DATAGRAM_SEND_UNKNOWN, // Not yet sent.
QUIC_DATAGRAM_SEND_SENT, // Sent and awaiting acknowledegment
QUIC_DATAGRAM_SEND_LOST_SUSPECT, // Suspected as lost, but still tracked
QUIC_DATAGRAM_SEND_LOST_DISCARDED, // Lost and not longer being tracked
QUIC_DATAGRAM_SEND_ACKNOWLEDGED, // Acknowledged
QUIC_DATAGRAM_SEND_ACKNOWLEDGED_SPURIOUS, // Acknowledged after being suspected lost
QUIC_DATAGRAM_SEND_CANCELED, // Canceled before send
} QUIC_DATAGRAM_SEND_STATE;
//
// Helper to determine if a datagrams state is final, and no longer tracked
// by MsQuic.
//
#define QUIC_DATAGRAM_SEND_STATE_IS_FINAL(State) \
((State) >= QUIC_DATAGRAM_SEND_LOST_DISCARDED)
typedef enum QUIC_EXECUTION_CONFIG_FLAGS {
QUIC_EXECUTION_CONFIG_FLAG_NONE = 0x0000,
} QUIC_EXECUTION_CONFIG_FLAGS;
DEFINE_ENUM_FLAG_OPERATORS(QUIC_EXECUTION_CONFIG_FLAGS)
//
// A custom configuration for thread execution in QUIC.
//
typedef struct QUIC_EXECUTION_CONFIG {
QUIC_EXECUTION_CONFIG_FLAGS Flags;
uint32_t PollingIdleTimeoutUs; // Time before a polling thread, with no work to do, sleeps.
uint32_t ProcessorCount;
_Field_size_(ProcessorCount)
uint16_t ProcessorList[1]; // List of processors to use for threads.
} QUIC_EXECUTION_CONFIG;
#define QUIC_EXECUTION_CONFIG_MIN_SIZE \
(uint32_t)FIELD_OFFSET(QUIC_EXECUTION_CONFIG, ProcessorList)
typedef struct QUIC_REGISTRATION_CONFIG { // All fields may be NULL/zero.
const char* AppName;
QUIC_EXECUTION_PROFILE ExecutionProfile;
} QUIC_REGISTRATION_CONFIG;
typedef
_IRQL_requires_max_(PASSIVE_LEVEL)
_Function_class_(QUIC_CREDENTIAL_LOAD_COMPLETE)
void
(QUIC_API QUIC_CREDENTIAL_LOAD_COMPLETE)(
_In_ HQUIC Configuration,
_In_opt_ void* Context,
_In_ QUIC_STATUS Status
);
typedef QUIC_CREDENTIAL_LOAD_COMPLETE *QUIC_CREDENTIAL_LOAD_COMPLETE_HANDLER;
typedef struct QUIC_CERTIFICATE_HASH {
uint8_t ShaHash[20];
} QUIC_CERTIFICATE_HASH;
typedef struct QUIC_CERTIFICATE_HASH_STORE {
QUIC_CERTIFICATE_HASH_STORE_FLAGS Flags;
uint8_t ShaHash[20];
char StoreName[128];
} QUIC_CERTIFICATE_HASH_STORE;
typedef struct QUIC_CERTIFICATE_FILE {
const char *PrivateKeyFile;
const char *CertificateFile;
} QUIC_CERTIFICATE_FILE;
typedef struct QUIC_CERTIFICATE_FILE_PROTECTED {
const char *PrivateKeyFile;
const char *CertificateFile;
const char *PrivateKeyPassword;
} QUIC_CERTIFICATE_FILE_PROTECTED;
typedef struct QUIC_CERTIFICATE_PKCS12 {
const uint8_t *Asn1Blob;
uint32_t Asn1BlobLength;
const char *PrivateKeyPassword; // Optional: used if provided. Ignored if NULL
} QUIC_CERTIFICATE_PKCS12;
typedef void QUIC_CERTIFICATE; // Platform specific certificate object
typedef void QUIC_CERTIFICATE_CHAIN; // Platform specific certificate chain object
typedef struct QUIC_CREDENTIAL_CONFIG {
QUIC_CREDENTIAL_TYPE Type;
QUIC_CREDENTIAL_FLAGS Flags;
union {
QUIC_CERTIFICATE_HASH* CertificateHash;
QUIC_CERTIFICATE_HASH_STORE* CertificateHashStore;
QUIC_CERTIFICATE* CertificateContext;
QUIC_CERTIFICATE_FILE* CertificateFile;
QUIC_CERTIFICATE_FILE_PROTECTED* CertificateFileProtected;
QUIC_CERTIFICATE_PKCS12* CertificatePkcs12;
};
const char* Principal;
void* Reserved; // Currently unused
QUIC_CREDENTIAL_LOAD_COMPLETE_HANDLER AsyncHandler; // Optional
QUIC_ALLOWED_CIPHER_SUITE_FLAGS AllowedCipherSuites;// Optional
const char* CaCertificateFile; // Optional
} QUIC_CREDENTIAL_CONFIG;
//
// The maximum number of QUIC_TICKET_KEY_CONFIG that can be used at one time.
//
#define QUIC_MAX_TICKET_KEY_COUNT 16
//
// TLS New Session Ticket encryption key configuration.
//
typedef struct QUIC_TICKET_KEY_CONFIG {
uint8_t Id[16];
uint8_t Material[64];
uint8_t MaterialLength;
} QUIC_TICKET_KEY_CONFIG;
//
// A single contiguous buffer.
//
typedef struct QUIC_BUFFER {
uint32_t Length;
_Field_size_bytes_(Length)
uint8_t* Buffer;
} QUIC_BUFFER;
//
// All the available information describing a new incoming connection.
//
typedef struct QUIC_NEW_CONNECTION_INFO {
uint32_t QuicVersion;
const QUIC_ADDR* LocalAddress;
const QUIC_ADDR* RemoteAddress;
uint32_t CryptoBufferLength;
uint16_t ClientAlpnListLength;
uint16_t ServerNameLength;
uint8_t NegotiatedAlpnLength;
_Field_size_bytes_(CryptoBufferLength)
const uint8_t* CryptoBuffer;
_Field_size_bytes_(ClientAlpnListLength)
const uint8_t* ClientAlpnList;
_Field_size_bytes_(NegotiatedAlpnLength)
const uint8_t* NegotiatedAlpn;
_Field_size_bytes_opt_(ServerNameLength)
const char* ServerName;
} QUIC_NEW_CONNECTION_INFO;
typedef enum QUIC_TLS_PROTOCOL_VERSION {
QUIC_TLS_PROTOCOL_UNKNOWN = 0,
QUIC_TLS_PROTOCOL_1_3 = 0x3000,
} QUIC_TLS_PROTOCOL_VERSION;
typedef enum QUIC_CIPHER_ALGORITHM {
QUIC_CIPHER_ALGORITHM_NONE = 0,
QUIC_CIPHER_ALGORITHM_AES_128 = 0x660E,
QUIC_CIPHER_ALGORITHM_AES_256 = 0x6610,
QUIC_CIPHER_ALGORITHM_CHACHA20 = 0x6612, // Not supported on Schannel/BCrypt
} QUIC_CIPHER_ALGORITHM;
typedef enum QUIC_HASH_ALGORITHM {
QUIC_HASH_ALGORITHM_NONE = 0,
QUIC_HASH_ALGORITHM_SHA_256 = 0x800C,
QUIC_HASH_ALGORITHM_SHA_384 = 0x800D,
} QUIC_HASH_ALGORITHM;
typedef enum QUIC_KEY_EXCHANGE_ALGORITHM {
QUIC_KEY_EXCHANGE_ALGORITHM_NONE = 0,
} QUIC_KEY_EXCHANGE_ALGORITHM;
typedef enum QUIC_CIPHER_SUITE {
QUIC_CIPHER_SUITE_TLS_AES_128_GCM_SHA256 = 0x1301,
QUIC_CIPHER_SUITE_TLS_AES_256_GCM_SHA384 = 0x1302,
QUIC_CIPHER_SUITE_TLS_CHACHA20_POLY1305_SHA256 = 0x1303, // Not supported on Schannel
} QUIC_CIPHER_SUITE;
typedef enum QUIC_CONGESTION_CONTROL_ALGORITHM {
QUIC_CONGESTION_CONTROL_ALGORITHM_CUBIC,
#ifdef QUIC_API_ENABLE_PREVIEW_FEATURES
QUIC_CONGESTION_CONTROL_ALGORITHM_BBR,
#endif
QUIC_CONGESTION_CONTROL_ALGORITHM_MAX,
} QUIC_CONGESTION_CONTROL_ALGORITHM;
//
// All the available information describing a handshake.
//
typedef struct QUIC_HANDSHAKE_INFO {
QUIC_TLS_PROTOCOL_VERSION TlsProtocolVersion;
QUIC_CIPHER_ALGORITHM CipherAlgorithm;
int32_t CipherStrength;
QUIC_HASH_ALGORITHM Hash;
int32_t HashStrength;
QUIC_KEY_EXCHANGE_ALGORITHM KeyExchangeAlgorithm;
int32_t KeyExchangeStrength;
QUIC_CIPHER_SUITE CipherSuite;
} QUIC_HANDSHAKE_INFO;
//
// All statistics available to query about a connection.
//
typedef struct QUIC_STATISTICS {
uint64_t CorrelationId;
uint32_t VersionNegotiation : 1;
uint32_t StatelessRetry : 1;
uint32_t ResumptionAttempted : 1;
uint32_t ResumptionSucceeded : 1;
uint32_t Rtt; // In microseconds
uint32_t MinRtt; // In microseconds
uint32_t MaxRtt; // In microseconds
struct {
uint64_t Start;
uint64_t InitialFlightEnd; // Processed all peer's Initial packets
uint64_t HandshakeFlightEnd; // Processed all peer's Handshake packets
} Timing;
struct {
uint32_t ClientFlight1Bytes; // Sum of TLS payloads
uint32_t ServerFlight1Bytes; // Sum of TLS payloads
uint32_t ClientFlight2Bytes; // Sum of TLS payloads
} Handshake;
struct {
uint16_t PathMtu; // Current path MTU.
uint64_t TotalPackets; // QUIC packets; could be coalesced into fewer UDP datagrams.
uint64_t RetransmittablePackets;
uint64_t SuspectedLostPackets;
uint64_t SpuriousLostPackets; // Actual lost is (SuspectedLostPackets - SpuriousLostPackets)
uint64_t TotalBytes; // Sum of UDP payloads
uint64_t TotalStreamBytes; // Sum of stream payloads
uint32_t CongestionCount; // Number of congestion events
uint32_t PersistentCongestionCount; // Number of persistent congestion events
} Send;
struct {
uint64_t TotalPackets; // QUIC packets; could be coalesced into fewer UDP datagrams.
uint64_t ReorderedPackets; // Packets where packet number is less than highest seen.
uint64_t DroppedPackets; // Includes DuplicatePackets.
uint64_t DuplicatePackets;
uint64_t TotalBytes; // Sum of UDP payloads
uint64_t TotalStreamBytes; // Sum of stream payloads
uint64_t DecryptionFailures; // Count of packet decryption failures.
uint64_t ValidAckFrames; // Count of receive ACK frames.
} Recv;
struct {
uint32_t KeyUpdateCount;
} Misc;
} QUIC_STATISTICS;
//
// N.B. Consumers of this struct depend on it being the same for 32-bit and
// 64-bit systems. DO NOT include any fields that have different sizes on those
// platforms, such as size_t or pointers.
//
typedef struct QUIC_STATISTICS_V2 {
uint64_t CorrelationId;
uint32_t VersionNegotiation : 1;
uint32_t StatelessRetry : 1;
uint32_t ResumptionAttempted : 1;
uint32_t ResumptionSucceeded : 1;
uint32_t GreaseBitNegotiated : 1; // Set if we negotiated the GREASE bit.
uint32_t EcnCapable : 1;
uint32_t RESERVED : 26;
uint32_t Rtt; // In microseconds
uint32_t MinRtt; // In microseconds
uint32_t MaxRtt; // In microseconds
uint64_t TimingStart;
uint64_t TimingInitialFlightEnd; // Processed all peer's Initial packets
uint64_t TimingHandshakeFlightEnd; // Processed all peer's Handshake packets
uint32_t HandshakeClientFlight1Bytes; // Sum of TLS payloads
uint32_t HandshakeServerFlight1Bytes; // Sum of TLS payloads
uint32_t HandshakeClientFlight2Bytes; // Sum of TLS payloads
uint16_t SendPathMtu; // Current path MTU.
uint64_t SendTotalPackets; // QUIC packets; could be coalesced into fewer UDP datagrams.
uint64_t SendRetransmittablePackets;
uint64_t SendSuspectedLostPackets;
uint64_t SendSpuriousLostPackets; // Actual lost is (SuspectedLostPackets - SpuriousLostPackets)
uint64_t SendTotalBytes; // Sum of UDP payloads
uint64_t SendTotalStreamBytes; // Sum of stream payloads
uint32_t SendCongestionCount; // Number of congestion events
uint32_t SendPersistentCongestionCount; // Number of persistent congestion events
uint64_t RecvTotalPackets; // QUIC packets; could be coalesced into fewer UDP datagrams.
uint64_t RecvReorderedPackets; // Packets where packet number is less than highest seen.
uint64_t RecvDroppedPackets; // Includes DuplicatePackets.
uint64_t RecvDuplicatePackets;
uint64_t RecvTotalBytes; // Sum of UDP payloads
uint64_t RecvTotalStreamBytes; // Sum of stream payloads
uint64_t RecvDecryptionFailures; // Count of packet decryption failures.
uint64_t RecvValidAckFrames; // Count of receive ACK frames.
uint32_t KeyUpdateCount;
uint32_t SendCongestionWindow; // Congestion window size
uint32_t DestCidUpdateCount; // Number of times the destionation CID changed.
uint32_t SendEcnCongestionCount; // Number of congestion events caused by ECN.
// N.B. New fields must be appended to end
} QUIC_STATISTICS_V2;
#define QUIC_STRUCT_SIZE_THRU_FIELD(Struct, Field) \
(FIELD_OFFSET(Struct, Field) + sizeof(((Struct*)0)->Field))
#define QUIC_STATISTICS_V2_SIZE_1 QUIC_STRUCT_SIZE_THRU_FIELD(QUIC_STATISTICS_V2, KeyUpdateCount) // v2.0 final size
#define QUIC_STATISTICS_V2_SIZE_2 QUIC_STRUCT_SIZE_THRU_FIELD(QUIC_STATISTICS_V2, DestCidUpdateCount) // v2.1 final size
#define QUIC_STATISTICS_V2_SIZE_3 QUIC_STRUCT_SIZE_THRU_FIELD(QUIC_STATISTICS_V2, SendEcnCongestionCount) // v2.2 final size
typedef struct QUIC_LISTENER_STATISTICS {
uint64_t TotalAcceptedConnections;
uint64_t TotalRejectedConnections;
uint64_t BindingRecvDroppedPackets;
} QUIC_LISTENER_STATISTICS;
typedef enum QUIC_PERFORMANCE_COUNTERS {
QUIC_PERF_COUNTER_CONN_CREATED, // Total connections ever allocated.
QUIC_PERF_COUNTER_CONN_HANDSHAKE_FAIL, // Total connections that failed during handshake.
QUIC_PERF_COUNTER_CONN_APP_REJECT, // Total connections rejected by the application.
QUIC_PERF_COUNTER_CONN_RESUMED, // Total connections resumed.
QUIC_PERF_COUNTER_CONN_ACTIVE, // Connections currently allocated.
QUIC_PERF_COUNTER_CONN_CONNECTED, // Connections currently in the connected state.
QUIC_PERF_COUNTER_CONN_PROTOCOL_ERRORS, // Total connections shutdown with a protocol error.
QUIC_PERF_COUNTER_CONN_NO_ALPN, // Total connection attempts with no matching ALPN.
QUIC_PERF_COUNTER_STRM_ACTIVE, // Current streams allocated.
QUIC_PERF_COUNTER_PKTS_SUSPECTED_LOST, // Total suspected packets lost
QUIC_PERF_COUNTER_PKTS_DROPPED, // Total packets dropped for any reason.
QUIC_PERF_COUNTER_PKTS_DECRYPTION_FAIL, // Total packets with decryption failures.
QUIC_PERF_COUNTER_UDP_RECV, // Total UDP datagrams received.
QUIC_PERF_COUNTER_UDP_SEND, // Total UDP datagrams sent.
QUIC_PERF_COUNTER_UDP_RECV_BYTES, // Total UDP payload bytes received.
QUIC_PERF_COUNTER_UDP_SEND_BYTES, // Total UDP payload bytes sent.
QUIC_PERF_COUNTER_UDP_RECV_EVENTS, // Total UDP receive events.
QUIC_PERF_COUNTER_UDP_SEND_CALLS, // Total UDP send API calls.
QUIC_PERF_COUNTER_APP_SEND_BYTES, // Total bytes sent by applications.
QUIC_PERF_COUNTER_APP_RECV_BYTES, // Total bytes received by applications.
QUIC_PERF_COUNTER_CONN_QUEUE_DEPTH, // Current connections queued for processing.
QUIC_PERF_COUNTER_CONN_OPER_QUEUE_DEPTH,// Current connection operations queued.
QUIC_PERF_COUNTER_CONN_OPER_QUEUED, // Total connection operations queued ever.
QUIC_PERF_COUNTER_CONN_OPER_COMPLETED, // Total connection operations processed ever.
QUIC_PERF_COUNTER_WORK_OPER_QUEUE_DEPTH,// Current worker operations queued.
QUIC_PERF_COUNTER_WORK_OPER_QUEUED, // Total worker operations queued ever.
QUIC_PERF_COUNTER_WORK_OPER_COMPLETED, // Total worker operations processed ever.
QUIC_PERF_COUNTER_PATH_VALIDATED, // Total path challenges that succeed ever.
QUIC_PERF_COUNTER_PATH_FAILURE, // Total path challenges that fail ever.
QUIC_PERF_COUNTER_SEND_STATELESS_RESET, // Total stateless reset packets sent ever.
QUIC_PERF_COUNTER_SEND_STATELESS_RETRY, // Total stateless retry packets sent ever.
QUIC_PERF_COUNTER_MAX,
} QUIC_PERFORMANCE_COUNTERS;
#ifdef QUIC_API_ENABLE_PREVIEW_FEATURES
typedef struct QUIC_VERSION_SETTINGS {
const uint32_t* AcceptableVersions;
const uint32_t* OfferedVersions;
const uint32_t* FullyDeployedVersions;
uint32_t AcceptableVersionsLength;
uint32_t OfferedVersionsLength;
uint32_t FullyDeployedVersionsLength;
} QUIC_VERSION_SETTINGS;
#endif
typedef struct QUIC_GLOBAL_SETTINGS {
union {
uint64_t IsSetFlags;
struct {
uint64_t RetryMemoryLimit : 1;
uint64_t LoadBalancingMode : 1;
uint64_t FixedServerID : 1;
uint64_t RESERVED : 61;
} IsSet;
};
uint16_t RetryMemoryLimit;
uint16_t LoadBalancingMode;
uint32_t FixedServerID;
} QUIC_GLOBAL_SETTINGS;
typedef struct QUIC_SETTINGS {
union {
uint64_t IsSetFlags;
struct {
uint64_t MaxBytesPerKey : 1;
uint64_t HandshakeIdleTimeoutMs : 1;
uint64_t IdleTimeoutMs : 1;
uint64_t MtuDiscoverySearchCompleteTimeoutUs : 1;
uint64_t TlsClientMaxSendBuffer : 1;
uint64_t TlsServerMaxSendBuffer : 1;
uint64_t StreamRecvWindowDefault : 1;
uint64_t StreamRecvBufferDefault : 1;
uint64_t ConnFlowControlWindow : 1;
uint64_t MaxWorkerQueueDelayUs : 1;
uint64_t MaxStatelessOperations : 1;
uint64_t InitialWindowPackets : 1;
uint64_t SendIdleTimeoutMs : 1;
uint64_t InitialRttMs : 1;
uint64_t MaxAckDelayMs : 1;
uint64_t DisconnectTimeoutMs : 1;
uint64_t KeepAliveIntervalMs : 1;
uint64_t CongestionControlAlgorithm : 1;
uint64_t PeerBidiStreamCount : 1;
uint64_t PeerUnidiStreamCount : 1;
uint64_t MaxBindingStatelessOperations : 1;
uint64_t StatelessOperationExpirationMs : 1;
uint64_t MinimumMtu : 1;
uint64_t MaximumMtu : 1;
uint64_t SendBufferingEnabled : 1;
uint64_t PacingEnabled : 1;
uint64_t MigrationEnabled : 1;
uint64_t DatagramReceiveEnabled : 1;
uint64_t ServerResumptionLevel : 1;
uint64_t MaxOperationsPerDrain : 1;
uint64_t MtuDiscoveryMissingProbeCount : 1;
uint64_t DestCidUpdateIdleTimeoutMs : 1;
uint64_t GreaseQuicBitEnabled : 1;
uint64_t EcnEnabled : 1;
uint64_t HyStartEnabled : 1;
uint64_t RESERVED : 29;
} IsSet;
};
uint64_t MaxBytesPerKey;
uint64_t HandshakeIdleTimeoutMs;
uint64_t IdleTimeoutMs;
uint64_t MtuDiscoverySearchCompleteTimeoutUs;
uint32_t TlsClientMaxSendBuffer;
uint32_t TlsServerMaxSendBuffer;
uint32_t StreamRecvWindowDefault;
uint32_t StreamRecvBufferDefault;
uint32_t ConnFlowControlWindow;
uint32_t MaxWorkerQueueDelayUs;
uint32_t MaxStatelessOperations;
uint32_t InitialWindowPackets;
uint32_t SendIdleTimeoutMs;
uint32_t InitialRttMs;
uint32_t MaxAckDelayMs;
uint32_t DisconnectTimeoutMs;
uint32_t KeepAliveIntervalMs;
uint16_t CongestionControlAlgorithm; // QUIC_CONGESTION_CONTROL_ALGORITHM
uint16_t PeerBidiStreamCount;
uint16_t PeerUnidiStreamCount;
uint16_t MaxBindingStatelessOperations;
uint16_t StatelessOperationExpirationMs;
uint16_t MinimumMtu;
uint16_t MaximumMtu;
uint8_t SendBufferingEnabled : 1;
uint8_t PacingEnabled : 1;
uint8_t MigrationEnabled : 1;
uint8_t DatagramReceiveEnabled : 1;
uint8_t ServerResumptionLevel : 2; // QUIC_SERVER_RESUMPTION_LEVEL
uint8_t GreaseQuicBitEnabled : 1;
uint8_t EcnEnabled : 1;
uint8_t MaxOperationsPerDrain;
uint8_t MtuDiscoveryMissingProbeCount;
uint32_t DestCidUpdateIdleTimeoutMs;
union {
uint64_t Flags;
struct {
uint64_t HyStartEnabled : 1;
uint64_t ReservedFlags : 63;
};
};
} QUIC_SETTINGS;
//
// This struct enables QUIC applications to support SSLKEYLOGFILE
// for debugging packet captures with e.g. Wireshark.
//
#define QUIC_TLS_SECRETS_MAX_SECRET_LEN 64
typedef struct QUIC_TLS_SECRETS {
uint8_t SecretLength;
struct {
uint8_t ClientRandom : 1;
uint8_t ClientEarlyTrafficSecret : 1;
uint8_t ClientHandshakeTrafficSecret : 1;
uint8_t ServerHandshakeTrafficSecret : 1;
uint8_t ClientTrafficSecret0 : 1;
uint8_t ServerTrafficSecret0 : 1;
} IsSet;
uint8_t ClientRandom[32];
uint8_t ClientEarlyTrafficSecret[QUIC_TLS_SECRETS_MAX_SECRET_LEN];
uint8_t ClientHandshakeTrafficSecret[QUIC_TLS_SECRETS_MAX_SECRET_LEN];
uint8_t ServerHandshakeTrafficSecret[QUIC_TLS_SECRETS_MAX_SECRET_LEN];
uint8_t ClientTrafficSecret0[QUIC_TLS_SECRETS_MAX_SECRET_LEN];
uint8_t ServerTrafficSecret0[QUIC_TLS_SECRETS_MAX_SECRET_LEN];
} QUIC_TLS_SECRETS;
typedef struct QUIC_STREAM_STATISTICS {
uint64_t ConnBlockedBySchedulingUs;
uint64_t ConnBlockedByPacingUs;
uint64_t ConnBlockedByAmplificationProtUs;
uint64_t ConnBlockedByCongestionControlUs;
uint64_t ConnBlockedByFlowControlUs;
uint64_t StreamBlockedByIdFlowControlUs;
uint64_t StreamBlockedByFlowControlUs;
uint64_t StreamBlockedByAppUs;
} QUIC_STREAM_STATISTICS;
//
// Functions for associating application contexts with QUIC handles. MsQuic
// provides no explicit synchronization between parallel calls to these
// functions.
//
typedef
_IRQL_requires_max_(DISPATCH_LEVEL)
void
(QUIC_API * QUIC_SET_CONTEXT_FN)(
_In_ _Pre_defensive_ HQUIC Handle,
_In_opt_ void* Context
);
typedef
_IRQL_requires_max_(DISPATCH_LEVEL)
void*
(QUIC_API * QUIC_GET_CONTEXT_FN)(
_In_ _Pre_defensive_ HQUIC Handle
);
//
// Sets the event handler for the QUIC handle. The type of the handler must be
// appropriate for the type of the handle. MsQuic provides no explicit
// synchronization between parallel calls to this function or the ones above.
//
typedef
_IRQL_requires_max_(DISPATCH_LEVEL)
void
(QUIC_API * QUIC_SET_CALLBACK_HANDLER_FN)(
_In_ _Pre_defensive_ HQUIC Handle,
_In_ void* Handler,
_In_opt_ void* Context
);
//
// Get and Set parameters on a handle.
//
#define QUIC_PARAM_PREFIX_GLOBAL 0x01000000
#define QUIC_PARAM_PREFIX_REGISTRATION 0x02000000
#define QUIC_PARAM_PREFIX_CONFIGURATION 0x03000000
#define QUIC_PARAM_PREFIX_LISTENER 0x04000000
#define QUIC_PARAM_PREFIX_CONNECTION 0x05000000
#define QUIC_PARAM_PREFIX_TLS 0x06000000
#define QUIC_PARAM_PREFIX_TLS_SCHANNEL 0x07000000
#define QUIC_PARAM_PREFIX_STREAM 0x08000000
#define QUIC_PARAM_IS_GLOBAL(Param) ((Param & 0x7F000000) == QUIC_PARAM_PREFIX_GLOBAL)
//
// Parameters for Global.
//
#define QUIC_PARAM_GLOBAL_RETRY_MEMORY_PERCENT 0x01000000 // uint16_t
#define QUIC_PARAM_GLOBAL_SUPPORTED_VERSIONS 0x01000001 // uint32_t[] - network byte order
#define QUIC_PARAM_GLOBAL_LOAD_BALACING_MODE 0x01000002 // uint16_t - QUIC_LOAD_BALANCING_MODE
#define QUIC_PARAM_GLOBAL_PERF_COUNTERS 0x01000003 // uint64_t[] - Array size is QUIC_PERF_COUNTER_MAX
#define QUIC_PARAM_GLOBAL_LIBRARY_VERSION 0x01000004 // uint32_t[4]
#define QUIC_PARAM_GLOBAL_SETTINGS 0x01000005 // QUIC_SETTINGS
#define QUIC_PARAM_GLOBAL_GLOBAL_SETTINGS 0x01000006 // QUIC_GLOBAL_SETTINGS
#ifdef QUIC_API_ENABLE_PREVIEW_FEATURES
#define QUIC_PARAM_GLOBAL_VERSION_SETTINGS 0x01000007 // QUIC_VERSION_SETTINGS
#endif
#define QUIC_PARAM_GLOBAL_LIBRARY_GIT_HASH 0x01000008 // char[64]
#ifdef QUIC_API_ENABLE_PREVIEW_FEATURES
#define QUIC_PARAM_GLOBAL_EXECUTION_CONFIG 0x01000009 // QUIC_EXECUTION_CONFIG
#endif
#define QUIC_PARAM_GLOBAL_TLS_PROVIDER 0x0100000A // QUIC_TLS_PROVIDER
//
// Parameters for Registration.
//
//
// Parameters for Configuration.
//
#define QUIC_PARAM_CONFIGURATION_SETTINGS 0x03000000 // QUIC_SETTINGS
#define QUIC_PARAM_CONFIGURATION_TICKET_KEYS 0x03000001 // QUIC_TICKET_KEY_CONFIG[]
#ifdef QUIC_API_ENABLE_PREVIEW_FEATURES
#define QUIC_PARAM_CONFIGURATION_VERSION_SETTINGS 0x03000002 // QUIC_VERSION_SETTINGS
#endif
// Schannel-specific Configuration parameter
typedef struct QUIC_SCHANNEL_CREDENTIAL_ATTRIBUTE_W {
unsigned long Attribute;
unsigned long BufferLength;
void* Buffer;
} QUIC_SCHANNEL_CREDENTIAL_ATTRIBUTE_W;
#define QUIC_PARAM_CONFIGURATION_SCHANNEL_CREDENTIAL_ATTRIBUTE_W 0x03000003 // QUIC_SCHANNEL_CREDENTIAL_ATTRIBUTE_W
//
// Parameters for Listener.
//
#define QUIC_PARAM_LISTENER_LOCAL_ADDRESS 0x04000000 // QUIC_ADDR
#define QUIC_PARAM_LISTENER_STATS 0x04000001 // QUIC_LISTENER_STATISTICS
#ifdef QUIC_API_ENABLE_PREVIEW_FEATURES
#define QUIC_PARAM_LISTENER_CIBIR_ID 0x04000002 // uint8_t[] {offset, id[]}
#endif
//
// Parameters for Connection.
//
#define QUIC_PARAM_CONN_QUIC_VERSION 0x05000000 // uint32_t
#define QUIC_PARAM_CONN_LOCAL_ADDRESS 0x05000001 // QUIC_ADDR
#define QUIC_PARAM_CONN_REMOTE_ADDRESS 0x05000002 // QUIC_ADDR
#define QUIC_PARAM_CONN_IDEAL_PROCESSOR 0x05000003 // uint16_t
#define QUIC_PARAM_CONN_SETTINGS 0x05000004 // QUIC_SETTINGS
#define QUIC_PARAM_CONN_STATISTICS 0x05000005 // QUIC_STATISTICS
#define QUIC_PARAM_CONN_STATISTICS_PLAT 0x05000006 // QUIC_STATISTICS
#define QUIC_PARAM_CONN_SHARE_UDP_BINDING 0x05000007 // uint8_t (BOOLEAN)
#define QUIC_PARAM_CONN_LOCAL_BIDI_STREAM_COUNT 0x05000008 // uint16_t
#define QUIC_PARAM_CONN_LOCAL_UNIDI_STREAM_COUNT 0x05000009 // uint16_t
#define QUIC_PARAM_CONN_MAX_STREAM_IDS 0x0500000A // uint64_t[4]
#define QUIC_PARAM_CONN_CLOSE_REASON_PHRASE 0x0500000B // char[]
#define QUIC_PARAM_CONN_STREAM_SCHEDULING_SCHEME 0x0500000C // QUIC_STREAM_SCHEDULING_SCHEME
#define QUIC_PARAM_CONN_DATAGRAM_RECEIVE_ENABLED 0x0500000D // uint8_t (BOOLEAN)
#define QUIC_PARAM_CONN_DATAGRAM_SEND_ENABLED 0x0500000E // uint8_t (BOOLEAN)
#ifdef QUIC_API_ENABLE_INSECURE_FEATURES
#define QUIC_PARAM_CONN_DISABLE_1RTT_ENCRYPTION 0x0500000F // uint8_t (BOOLEAN)
#endif
#define QUIC_PARAM_CONN_RESUMPTION_TICKET 0x05000010 // uint8_t[]
#define QUIC_PARAM_CONN_PEER_CERTIFICATE_VALID 0x05000011 // uint8_t (BOOLEAN)
#define QUIC_PARAM_CONN_LOCAL_INTERFACE 0x05000012 // uint32_t
#define QUIC_PARAM_CONN_TLS_SECRETS 0x05000013 // QUIC_TLS_SECRETS (SSLKEYLOGFILE compatible)
#ifdef QUIC_API_ENABLE_PREVIEW_FEATURES
#define QUIC_PARAM_CONN_VERSION_SETTINGS 0x05000014 // QUIC_VERSION_SETTINGS
#define QUIC_PARAM_CONN_CIBIR_ID 0x05000015 // uint8_t[] {offset, id[]}
#endif
#define QUIC_PARAM_CONN_STATISTICS_V2 0x05000016 // QUIC_STATISTICS_V2
#define QUIC_PARAM_CONN_STATISTICS_V2_PLAT 0x05000017 // QUIC_STATISTICS_V2
//
// Parameters for TLS.
//
#define QUIC_PARAM_TLS_HANDSHAKE_INFO 0x06000000 // QUIC_HANDSHAKE_INFO
#define QUIC_PARAM_TLS_NEGOTIATED_ALPN 0x06000001 // uint8_t[] (max 255 bytes)
#ifdef WIN32 // Schannel specific TLS parameters
typedef struct QUIC_SCHANNEL_CONTEXT_ATTRIBUTE_W {
unsigned long Attribute;
void* Buffer;
} QUIC_SCHANNEL_CONTEXT_ATTRIBUTE_W;
#define QUIC_PARAM_TLS_SCHANNEL_CONTEXT_ATTRIBUTE_W 0x07000000 // QUIC_SCHANNEL_CONTEXT_ATTRIBUTE_W
typedef struct QUIC_SCHANNEL_CONTEXT_ATTRIBUTE_EX_W {
unsigned long Attribute;
unsigned long BufferLength;
void* Buffer;
} QUIC_SCHANNEL_CONTEXT_ATTRIBUTE_EX_W;
#define QUIC_PARAM_TLS_SCHANNEL_CONTEXT_ATTRIBUTE_EX_W 0x07000001 // QUIC_SCHANNEL_CONTEXT_ATTRIBUTE_EX_W
#define QUIC_PARAM_TLS_SCHANNEL_SECURITY_CONTEXT_TOKEN 0x07000002 // HANDLE
#endif
//
// Parameters for Stream.
//
#define QUIC_PARAM_STREAM_ID 0x08000000 // QUIC_UINT62
#define QUIC_PARAM_STREAM_0RTT_LENGTH 0x08000001 // uint64_t
#define QUIC_PARAM_STREAM_IDEAL_SEND_BUFFER_SIZE 0x08000002 // uint64_t - bytes
#define QUIC_PARAM_STREAM_PRIORITY 0x08000003 // uint16_t - 0 (low) to 0xFFFF (high) - 0x7FFF (default)
#define QUIC_PARAM_STREAM_STATISTICS 0X08000004 // QUIC_STREAM_STATISTICS
typedef
_IRQL_requires_max_(PASSIVE_LEVEL)
QUIC_STATUS
(QUIC_API * QUIC_SET_PARAM_FN)(
_When_(QUIC_PARAM_IS_GLOBAL(Param), _Reserved_)
_When_(!QUIC_PARAM_IS_GLOBAL(Param), _In_ _Pre_defensive_)
HQUIC Handle,
_In_ uint32_t Param,
_In_ uint32_t BufferLength,
_In_reads_bytes_(BufferLength)
const void* Buffer
);
typedef
_IRQL_requires_max_(PASSIVE_LEVEL)
QUIC_STATUS
(QUIC_API * QUIC_GET_PARAM_FN)(
_When_(QUIC_PARAM_IS_GLOBAL(Param), _Reserved_)
_When_(!QUIC_PARAM_IS_GLOBAL(Param), _In_ _Pre_defensive_)
HQUIC Handle,
_In_ uint32_t Param,
_Inout_ _Pre_defensive_ uint32_t* BufferLength,
_Out_writes_bytes_opt_(*BufferLength)
void* Buffer
);
//
// Registration Context Interface.
//
//
// Opens a new registration.
//
typedef
_IRQL_requires_max_(PASSIVE_LEVEL)
QUIC_STATUS
(QUIC_API * QUIC_REGISTRATION_OPEN_FN)(
_In_opt_ const QUIC_REGISTRATION_CONFIG* Config,
_Outptr_ _At_(*Registration, __drv_allocatesMem(Mem)) _Pre_defensive_
HQUIC* Registration
);
//
// Closes the registration. This function synchronizes the cleanup of all
// child objects. It does this by blocking until all those child objects have
// been closed by the application.
// N.B. This function will deadlock if called in any MsQuic callbacks.
//
typedef
_IRQL_requires_max_(PASSIVE_LEVEL)
void
(QUIC_API * QUIC_REGISTRATION_CLOSE_FN)(
_In_ _Pre_defensive_ __drv_freesMem(Mem)
HQUIC Registration
);
//
// Calls shutdown for all connections in this registration. Don't call on a
// MsQuic callback thread or it might deadlock.
//
typedef
_IRQL_requires_max_(DISPATCH_LEVEL)
void
(QUIC_API * QUIC_REGISTRATION_SHUTDOWN_FN)(
_In_ _Pre_defensive_ HQUIC Registration,
_In_ QUIC_CONNECTION_SHUTDOWN_FLAGS Flags,
_In_ _Pre_defensive_ QUIC_UINT62 ErrorCode // Application defined error code
);
//
// Configuration Interface.
//
//
// Opens a new configuration.
//
typedef
_IRQL_requires_max_(PASSIVE_LEVEL)
QUIC_STATUS
(QUIC_API * QUIC_CONFIGURATION_OPEN_FN)(
_In_ _Pre_defensive_ HQUIC Registration,
_In_reads_(AlpnBufferCount) _Pre_defensive_
const QUIC_BUFFER* const AlpnBuffers,
_In_range_(>, 0) uint32_t AlpnBufferCount,
_In_reads_bytes_opt_(SettingsSize)
const QUIC_SETTINGS* Settings,
_In_ uint32_t SettingsSize,
_In_opt_ void* Context,
_Outptr_ _At_(*Configuration, __drv_allocatesMem(Mem)) _Pre_defensive_
HQUIC* Configuration
);
//
// Closes an existing configuration.
//
typedef
_IRQL_requires_max_(PASSIVE_LEVEL)
void
(QUIC_API * QUIC_CONFIGURATION_CLOSE_FN)(
_In_ _Pre_defensive_ __drv_freesMem(Mem)
HQUIC Configuration
);
//
// Loads the credentials based on the input configuration.
//
typedef
_IRQL_requires_max_(PASSIVE_LEVEL)
QUIC_STATUS
(QUIC_API * QUIC_CONFIGURATION_LOAD_CREDENTIAL_FN)(
_In_ _Pre_defensive_ HQUIC Configuration,
_In_ _Pre_defensive_ const QUIC_CREDENTIAL_CONFIG* CredConfig