Files
pycapnp/capnp/includes/capnp_cpp.pxd
Lasse Blaauwbroek d32854eb00 Integrate the KJ event loop into Python's asyncio event loop (#310)
* Integrate the KJ event loop into Python's asyncio event loop

Fix #256

This PR attempts to remove the slow and expensive polling behavior for asyncio
in favor of proper linking of the KJ event loop to the asyncio event loop.

* Don't memcopy buffer

* Improve promise cancellation and prepare for timer implementation

* Add attribution for asyncProvider.cpp

* Implement timeout

* Cleanup

* First round of simplifications

* Add more a_wait functions and a shutdown function

* Fix edge-cases with loop shutdown

* Clean up calculator examples

* Cleanup

* Cleanup

* Reformat

* Fix warnings

* Reformat again

* Compatibility with macos

* Inline the asyncio loop in some places where this is feasible

* Add todo

* Fix

* Remove synchronous wait

* Wrap fd listening callbacks in a class

* Remove poll_forever

* Remove the thread-local/thread-global optimization

This will not matter much soon anyway, and simplifies things

* Share promise code by using fused types

* Improve refcounting of python objects in promises

We replace many instances of PyObject* by Own<PyRefCounter> for more automatic
reference management.

* Code wrapPyFunc in a similar way to wrapPyFuncNoArg

* Refactor capabilityHelper, fix several memory bugs for promises and add __await__

* Improve promise ownership, reduce memory leaks

Promise wrappers now hold a Own<Promise<Own<PyRefCounter>>> object. This might
seem like excessive nesting of objects (which to some degree it is, but with
good reason):
- The outer Own is needed because Cython cannot allocate objects without a
  nullary constructor on the stack (Promise doesn't have a nullary constructor).
  Additionally, I believe it would be difficult or impossible to detect when a
  promise is cancelled/moved if we use a bare Promise.
- Every promise returns a Owned PyRefCounter. PyRefCounter makes sure that a
  reference to the returned object keeps existing until the promise is fulfilled
  or cancelled. Previously, this was attempted using attach, which is redundant
  and makes reasoning about PyINCREF and PyDECREF very difficult.
- Because a promise holds a Own<Promise<...>>, when we perform any kind of
  action on that promise (a_wait, then, ...), we have to explicitly move() the
  ownership around. This will leave the original promise with a NULL-pointer,
  which we can easily detect as a cancelled promise.

Promises now only hold references to their 'parents' when strictly needed. This
should reduce memory pressure.

* Simplify and test the promise joining functionality

* Attach forgotten parent

* Catch exceptions in add_reader and friends

* Further cleanup of memory leaks

* Get rid of a_wait() in examples

* Cancel all fd read operations when the python asyncio loop is closed

* Formatting

* Remove support for capnp < 7000

* Bring asyncProvider.cpp more in line with upstream async-io-unix.c++

It was originally copied from the nodejs implementation, which in turn copied
from async-io-unix.c++. But that copy is pretty old.

* Fix a bug that caused file descriptors to never be closed

* Implement AsyncIoStream based on Python transports and protocols

* Get rid of asyncProvider

All asyncio now goes through _AsyncIoStream

* Formatting

* Add __dict__ to  PyAsyncIoStreamProtocol for python 3.7

* Reintroduce strange ipv4/ipv6 selection code to make ci happy

* Extra pause_reading()

* Work around more python bugs

* Be careful to only close transport when this is still possible

* Move pause_reading() workaround
2023-06-06 11:08:15 -07:00

567 lines
23 KiB
Cython

# schema.capnp.cpp.pyx
# distutils: language = c++
cdef extern from "capnp/helpers/checkCompiler.h":
pass
from libcpp cimport bool
from capnp.helpers.non_circular cimport (
PythonInterfaceDynamicImpl, reraise_kj_exception, PyRefCounter, ErrorHandler,
)
from capnp.includes.schema_cpp cimport (
Node, Data, StructNode, EnumNode, InterfaceNode, MessageBuilder, MessageReader, ReaderOptions,
)
from capnp.includes.types cimport *
cdef extern from "capnp/common.h" namespace " ::capnp":
enum Void:
VOID " ::capnp::VOID"
cdef cppclass MessageSize nogil:
uint64_t wordCount
uint capCount
cdef extern from "capnp/common.h":
int CAPNP_VERSION_MAJOR
int CAPNP_VERSION_MINOR
int CAPNP_VERSION_MICRO
int CAPNP_VERSION
cdef extern from "kj/string.h" namespace " ::kj":
cdef cppclass StringPtr nogil:
StringPtr()
StringPtr(char *)
StringPtr(char *, size_t)
char* cStr()
size_t size()
char* begin()
cdef cppclass String nogil:
char* cStr()
size_t size()
char* begin()
cdef extern from "kj/exception.h" namespace " ::kj":
cdef cppclass Exception nogil:
Exception(Exception)
char* getFile()
int getLine()
int getType()
StringPtr getDescription()
cdef extern from "kj/memory.h" namespace " ::kj":
cdef cppclass Own[T] nogil:
Own()
T& operator*()
T* get()
Own[T] heap[T](...)
Own[TwoPartyVatNetwork] makeTwoPartyVatNetwork" ::kj::heap< ::capnp::TwoPartyVatNetwork>"(
AsyncIoStream& stream, Side, ReaderOptions)
Own[PromiseFulfillerPair] copyPromiseFulfillerPair" ::kj::heap< ::kj::PromiseFulfillerPair<void> >"(
PromiseFulfillerPair&)
cdef extern from "kj/async.h" namespace " ::kj":
cdef cppclass Promise[T] nogil:
Promise(Promise)
Promise(T)
T wait(WaitScope) except +reraise_kj_exception
bool poll(WaitScope) except +reraise_kj_exception
# ForkedPromise<T> fork()
# Promise<T> exclusiveJoin(Promise<T>&& other)
# Promise[T] eagerlyEvaluate()
# void detach(ErrorFunc)
String trace()
Promise[T] attach(Own[PyRefCounter] &)
Promise[T] attach(Own[PyRefCounter] &, Own[PyRefCounter] &)
Promise[T] attach(Own[PyRefCounter] &, Own[PyRefCounter] &, Own[PyRefCounter] &)
Promise[T] attach(Own[PyRefCounter] &, Own[PyRefCounter] &, Own[PyRefCounter] &, Own[PyRefCounter] &)
cdef cppclass Canceler nogil:
Canceler()
Promise[T] wrap[T](Promise[T] promise)
void cancel(StringPtr cancelReason)
void cancel(Exception& exception)
void release()
bool isEmpty()
ctypedef Promise[Own[PyRefCounter]] PyPromise
ctypedef Promise[void] VoidPromise
cdef extern from "kj/string-tree.h" namespace " ::kj":
cdef cppclass StringTree nogil:
String flatten()
cdef extern from "kj/common.h" namespace " ::kj":
cdef cppclass Maybe[T] nogil:
T& orDefault(T&)
cdef cppclass ArrayPtr[T] nogil:
ArrayPtr()
ArrayPtr(T *, size_t size)
T* begin()
size_t size()
T& operator[](size_t index)
cdef extern from "kj/array.h" namespace " ::kj":
cdef cppclass Array[T] nogil:
T* begin()
size_t size()
T& operator[](size_t index)
cdef cppclass ArrayBuilder[T] nogil:
T* begin()
size_t size()
T& operator[](size_t index)
T& add(T&)
Array[T] finish()
ArrayBuilder[PyPromise] heapArrayBuilderPyPromise"::kj::heapArrayBuilder< ::kj::Promise<kj::Own<PyRefCounter>> >"(size_t) nogil
ctypedef Array[Own[PyRefCounter]] PyArray' ::kj::Array<kj::Own<PyRefCounter>>'
ctypedef Promise[PyArray] PyPromiseArray
cdef extern from "kj/time.h" namespace " ::kj":
cdef cppclass Duration nogil:
Duration operator*(int64_t)
Duration NANOSECONDS
Duration MICROSECONDS
Duration MILLISECONDS
Duration SECONDS
Duration MINUTES
Duration HOURS
Duration DAYS
cdef cppclass TimePoint:
TimePoint(Duration)
cdef cppclass MonotonicClock nogil:
MonotonicClock(MonotonicClock&)
TimePoint now()
MonotonicClock systemPreciseMonotonicClock()
cdef extern from "kj/timer.h" namespace " ::kj":
cdef cppclass Timer nogil:
# int64_t now()
# VoidPromise atTime(TimePoint time)
VoidPromise afterDelay(Duration delay)
cdef cppclass TimerImpl(Timer) nogil:
TimerImpl(TimePoint startTime)
Maybe[TimePoint] nextEvent()
Maybe[uint64_t] timeoutToNextEvent(TimePoint start, Duration unit, uint64_t max)
void advanceTo(TimePoint newTime)
cdef inline Duration Nanoseconds(int64_t nanos):
return NANOSECONDS * nanos
cdef extern from "kj/async-io.h" namespace " ::kj":
cdef cppclass AsyncIoStream nogil:
Promise[size_t] read(void*, size_t, size_t)
Promise[void] write(const void*, size_t)
cdef cppclass LowLevelAsyncIoProvider:
# Own[AsyncInputStream] wrapInputFd(int)
# Own[AsyncOutputStream] wrapOutputFd(int)
Own[AsyncIoStream] wrapSocketFd(int)
Timer& getTimer() except +reraise_kj_exception
cdef cppclass AsyncIoProvider nogil:
TwoWayPipe newTwoWayPipe()
cdef cppclass AsyncIoContext nogil:
AsyncIoContext(AsyncIoContext&)
Own[LowLevelAsyncIoProvider] lowLevelProvider
Own[AsyncIoProvider] provider
WaitScope waitScope
cdef cppclass TaskSet nogil:
TaskSet(ErrorHandler &)
cdef cppclass TwoWayPipe nogil:
Own[AsyncIoStream] ends[2]
AsyncIoContext setupAsyncIo() nogil
Own[AsyncIoProvider] newAsyncIoProvider(LowLevelAsyncIoProvider& lowLevel);
cdef extern from "capnp/schema.capnp.h" namespace " ::capnp":
enum TypeWhich" ::capnp::schema::Type::Which":
TypeWhichVOID " ::capnp::schema::Type::Which::VOID"
TypeWhichBOOL " ::capnp::schema::Type::Which::BOOL"
TypeWhichINT8 " ::capnp::schema::Type::Which::INT8"
TypeWhichINT16 " ::capnp::schema::Type::Which::INT16"
TypeWhichINT32 " ::capnp::schema::Type::Which::INT32"
TypeWhichINT64 " ::capnp::schema::Type::Which::INT64"
TypeWhichUINT8 " ::capnp::schema::Type::Which::UINT8"
TypeWhichUINT16 " ::capnp::schema::Type::Which::UINT16"
TypeWhichUINT32 " ::capnp::schema::Type::Which::UINT32"
TypeWhichUINT64 " ::capnp::schema::Type::Which::UINT64"
TypeWhichFLOAT32 " ::capnp::schema::Type::Which::FLOAT32"
TypeWhichFLOAT64 " ::capnp::schema::Type::Which::FLOAT64"
TypeWhichTEXT " ::capnp::schema::Type::Which::TEXT"
TypeWhichDATA " ::capnp::schema::Type::Which::DATA"
TypeWhichLIST " ::capnp::schema::Type::Which::LIST"
TypeWhichENUM " ::capnp::schema::Type::Which::ENUM"
TypeWhichSTRUCT " ::capnp::schema::Type::Which::STRUCT"
TypeWhichINTERFACE " ::capnp::schema::Type::Which::INTERFACE"
TypeWhichANY_POINTER " ::capnp::schema::Type::Which::ANY_POINTER"
cdef extern from "capnp/schema.h" namespace " ::capnp":
cdef cppclass SchemaType" ::capnp::Type" nogil:
SchemaType()
SchemaType(TypeWhich)
cbool isList()
cbool isEnum()
cbool isStruct()
cbool isInterface()
StructSchema asStruct() except +reraise_kj_exception
EnumSchema asEnum() except +reraise_kj_exception
InterfaceSchema asInterface() except +reraise_kj_exception
ListSchema asList() except +reraise_kj_exception
cdef cppclass Schema nogil:
Node.Reader getProto() except +reraise_kj_exception
StructSchema asStruct() except +reraise_kj_exception
EnumSchema asEnum() except +reraise_kj_exception
ConstSchema asConst() except +reraise_kj_exception
Schema getDependency(uint64_t id) except +reraise_kj_exception
InterfaceSchema asInterface() except +reraise_kj_exception
cdef cppclass InterfaceSchema(Schema) nogil:
cppclass SuperclassList nogil:
uint size()
InterfaceSchema operator[](uint index)
cppclass Method nogil:
InterfaceNode.Method.Reader getProto()
InterfaceSchema getContainingInterface()
uint16_t getOrdinal()
uint getIndex()
StructSchema getParamType()
StructSchema getResultType()
cppclass MethodList nogil:
uint size()
Method operator[](uint index)
MethodList getMethods()
Maybe[Method] findMethodByName(StringPtr name)
Method getMethodByName(StringPtr name)
bint extends(InterfaceSchema other)
SuperclassList getSuperclasses()
# kj::Maybe<InterfaceSchema> findSuperclass(uint64_t typeId) const;
cdef cppclass StructSchema(Schema) nogil:
cppclass Field nogil:
StructNode.Member.Reader getProto()
StructSchema getContainingStruct()
uint getIndex()
SchemaType getType()
cppclass FieldList nogil:
uint size()
Field operator[](uint index)
cppclass FieldSubset nogil:
uint size()
Field operator[](uint index)
FieldList getFields()
FieldSubset getUnionFields()
FieldSubset getNonUnionFields()
Field getFieldByName(char * name)
cbool operator == (StructSchema)
cdef cppclass EnumSchema nogil:
cppclass Enumerant nogil:
EnumNode.Enumerant.Reader getProto()
EnumSchema getContainingEnum()
uint16_t getOrdinal()
cppclass EnumerantList nogil:
uint size()
Enumerant operator[](uint index)
EnumerantList getEnumerants()
Enumerant getEnumerantByName(char * name)
Node.Reader getProto()
cdef cppclass ListSchema nogil:
SchemaType getElementType()
ListSchema listSchemaOfStruct" ::capnp::ListSchema::of"(StructSchema) nogil
ListSchema listSchemaOfEnum" ::capnp::ListSchema::of"(EnumSchema) nogil
ListSchema listSchemaOfInterface" ::capnp::ListSchema::of"(InterfaceSchema) nogil
ListSchema listSchemaOfList" ::capnp::ListSchema::of"(ListSchema) nogil
ListSchema listSchemaOfType" ::capnp::ListSchema::of"(SchemaType) nogil
cdef cppclass ConstSchema:
pass
cdef extern from "capnp/dynamic.h" namespace " ::capnp":
cdef cppclass DynamicValueForward" ::capnp::DynamicValue" nogil:
cppclass Reader nogil:
pass
cppclass Builder nogil:
pass
cppclass Pipeline nogil:
pass
enum Type:
TYPE_UNKNOWN " ::capnp::DynamicValue::UNKNOWN"
TYPE_VOID " ::capnp::DynamicValue::VOID"
TYPE_BOOL " ::capnp::DynamicValue::BOOL"
TYPE_INT " ::capnp::DynamicValue::INT"
TYPE_UINT " ::capnp::DynamicValue::UINT"
TYPE_FLOAT " ::capnp::DynamicValue::FLOAT"
TYPE_TEXT " ::capnp::DynamicValue::TEXT"
TYPE_DATA " ::capnp::DynamicValue::DATA"
TYPE_LIST " ::capnp::DynamicValue::LIST"
TYPE_ENUM " ::capnp::DynamicValue::ENUM"
TYPE_STRUCT " ::capnp::DynamicValue::STRUCT"
TYPE_CAPABILITY " ::capnp::DynamicValue::CAPABILITY"
TYPE_ANY_POINTER " ::capnp::DynamicValue::ANY_POINTER"
cdef cppclass DynamicStruct nogil:
cppclass Reader nogil:
DynamicValueForward.Reader get(char *) except +reraise_kj_exception
DynamicValueForward.Reader getByField"get"(StructSchema.Field) except +reraise_kj_exception
bint has(char *) except +reraise_kj_exception
bint hasByField"has"(StructSchema.Field) except +reraise_kj_exception
StructSchema getSchema()
uint64_t getId"getSchema().getProto().getId"()
Maybe[StructSchema.Field] which()
MessageSize totalSize()
cppclass Pipeline nogil:
Pipeline()
Pipeline(Pipeline &)
DynamicValueForward.Pipeline get(char *)
StructSchema getSchema()
cdef cppclass DynamicStruct_Builder" ::capnp::DynamicStruct::Builder" nogil:
# Need to flatten this class out, since nested C++ classes cause havoc with cython fused types
DynamicStruct_Builder()
DynamicStruct_Builder(DynamicStruct_Builder &)
DynamicValueForward.Builder get(char *) except +reraise_kj_exception
DynamicValueForward.Builder getByField"get"(StructSchema.Field) except +reraise_kj_exception
bint has(char *) except +reraise_kj_exception
bint hasByField"has"(StructSchema.Field) except +reraise_kj_exception
void set(char *, DynamicValueForward.Reader) except +reraise_kj_exception
void setByField"set"(StructSchema.Field, DynamicValueForward.Reader) except +reraise_kj_exception
DynamicValueForward.Builder init(char *, uint size) except +reraise_kj_exception
DynamicValueForward.Builder init(char *) except +reraise_kj_exception
DynamicValueForward.Builder initByField"init"(StructSchema.Field, uint size) except +reraise_kj_exception
DynamicValueForward.Builder initByField"init"(StructSchema.Field) except +reraise_kj_exception
StructSchema getSchema()
uint64_t getId"getSchema().getProto().getId"()
Maybe[StructSchema.Field] which()
void adopt(char *, DynamicOrphan) except +reraise_kj_exception
DynamicOrphan disown(char *)
DynamicStruct.Reader asReader()
MessageSize totalSize()
cdef extern from "capnp/dynamic.h" namespace " ::capnp":
cdef cppclass DynamicCapability nogil:
cppclass Client nogil:
Client()
Client(Client&)
Client upcast(InterfaceSchema requestedSchema)
DynamicCapability.Client castAs"castAs< ::capnp::DynamicCapability>"(InterfaceSchema)
InterfaceSchema getSchema()
Request newRequest(char * methodName)
# Request newRequest(char * methodName, MessageSize)
cdef extern from "capnp/capability.h" namespace " ::capnp":
cdef cppclass Response" ::capnp::Response< ::capnp::DynamicStruct>"(DynamicStruct.Reader) nogil:
Response(Response)
cdef cppclass RemotePromise" ::capnp::RemotePromise< ::capnp::DynamicStruct>"(
Promise[Response], DynamicStruct.Pipeline) nogil:
RemotePromise(RemotePromise)
cdef cppclass Capability nogil:
cppclass Client nogil:
Client(Client&)
DynamicCapability.Client castAs"castAs< ::capnp::DynamicCapability>"(InterfaceSchema)
cdef extern from "capnp/rpc-twoparty.h" namespace " ::capnp":
cdef cppclass RpcSystem" ::capnp::RpcSystem<capnp::rpc::twoparty::SturdyRefHostId>" nogil:
RpcSystem(RpcSystem&&)
cdef cppclass Side" ::capnp::rpc::twoparty::Side" nogil:
pass
cdef Side CLIENT" ::capnp::rpc::twoparty::Side::CLIENT"
cdef Side SERVER" ::capnp::rpc::twoparty::Side::SERVER"
cdef cppclass TwoPartyVatNetwork nogil:
TwoPartyVatNetwork(EventLoop &, AsyncIoStream& stream, Side, ReaderOptions)
VoidPromise onDisconnect()
VoidPromise onDrained()
RpcSystem makeRpcServerBootstrap"makeRpcServer"(TwoPartyVatNetwork&, Capability.Client) nogil
RpcSystem makeRpcClient(TwoPartyVatNetwork&) nogil
cdef extern from "capnp/dynamic.h" namespace " ::capnp":
cdef cppclass Request" ::capnp::Request< ::capnp::DynamicStruct, ::capnp::DynamicStruct>" nogil:
Request()
Request(Request &)
DynamicValueForward.Builder get(char *) except +reraise_kj_exception
bint has(char *) except +reraise_kj_exception
void set(char *, DynamicValueForward.Reader) except +reraise_kj_exception
DynamicValueForward.Builder init(char *, uint size) except +reraise_kj_exception
DynamicValueForward.Builder init(char *) except +reraise_kj_exception
StructSchema getSchema()
Maybe[StructSchema.Field] which()
RemotePromise send()
cdef extern from "capnp/dynamic.h" namespace " ::capnp":
cdef cppclass DynamicEnum nogil:
uint16_t getRaw()
Maybe[EnumSchema.Enumerant] getEnumerant()
cdef cppclass DynamicList nogil:
cppclass Reader nogil:
DynamicValueForward.Reader operator[](uint) except +reraise_kj_exception
uint size()
cppclass Builder nogil:
Builder()
Builder(Builder &)
DynamicValueForward.Builder operator[](uint) except +reraise_kj_exception
uint size()
void set(uint index, DynamicValueForward.Reader value) except +reraise_kj_exception
DynamicValueForward.Builder init(uint index, uint size) except +reraise_kj_exception
void adopt(uint, DynamicOrphan) except +reraise_kj_exception
DynamicOrphan disown(uint)
StructSchema getStructElementType'getSchema().getStructElementType'()
cdef extern from "capnp/any.h" namespace " ::capnp":
cdef cppclass AnyPointer nogil:
cppclass Reader nogil:
DynamicStruct.Reader getAs"getAs< ::capnp::DynamicStruct>"(StructSchema) except +reraise_kj_exception
DynamicCapability.Client getAsCapability"getAs< ::capnp::DynamicCapability>"(
InterfaceSchema) except +reraise_kj_exception
DynamicList.Reader getAsList"getAs< ::capnp::DynamicList>"(ListSchema) except +reraise_kj_exception
StringPtr getAsText"getAs< ::capnp::Text>"() except +reraise_kj_exception
cppclass Builder nogil:
Builder(Builder)
DynamicStruct_Builder getAs"getAs< ::capnp::DynamicStruct>"(StructSchema) except +reraise_kj_exception
DynamicCapability.Client getAsCapability"getAs< ::capnp::DynamicCapability>"(
InterfaceSchema) except +reraise_kj_exception
DynamicList.Builder getAsList"getAs< ::capnp::DynamicList>"(ListSchema) except +reraise_kj_exception
StringPtr getAsText"getAs< ::capnp::Text>"() except +reraise_kj_exception
void setAsStruct"setAs< ::capnp::DynamicStruct>"(DynamicStruct.Reader&) except +reraise_kj_exception
void setAsText"setAs< ::capnp::Text>"(char*) except +reraise_kj_exception
AnyPointer.Reader asReader() except +reraise_kj_exception
void set(AnyPointer.Reader) except +reraise_kj_exception
DynamicStruct_Builder initAsStruct"initAs< ::capnp::DynamicStruct>"(
StructSchema) except +reraise_kj_exception
DynamicList.Builder initAsList"initAs< ::capnp::DynamicList>"(ListSchema, uint) except +reraise_kj_exception
cdef extern from "capnp/dynamic.h" namespace " ::capnp":
cdef cppclass DynamicValue nogil:
cppclass Reader nogil:
Reader()
Reader(Void value)
Reader(cbool value)
Reader(char value)
Reader(short value)
Reader(int value)
Reader(long value)
Reader(long long value)
Reader(unsigned char value)
Reader(unsigned short value)
Reader(unsigned int value)
Reader(unsigned long value)
Reader(unsigned long long value)
Reader(float value)
Reader(double value)
Reader(char* value)
Reader(StringPtr value)
Reader(DynamicList.Reader& value)
Reader(DynamicEnum value)
Reader(DynamicStruct.Reader& value)
Reader(DynamicCapability.Client& value)
Reader(PythonInterfaceDynamicImpl& value)
Reader(AnyPointer.Reader& value)
Type getType()
int64_t asInt"as<int64_t>"()
uint64_t asUint"as<uint64_t>"()
bint asBool"as<bool>"()
double asDouble"as<double>"()
StringPtr asText"as< ::capnp::Text>"()
DynamicList.Reader asList"as< ::capnp::DynamicList>"()
DynamicStruct.Reader asStruct"as< ::capnp::DynamicStruct>"()
AnyPointer.Reader asObject"as< ::capnp::AnyPointer>"()
DynamicCapability.Client asCapability"as< ::capnp::DynamicCapability>"()
DynamicEnum asEnum"as< ::capnp::DynamicEnum>"()
Data.Reader asData"as< ::capnp::Data>"()
cppclass Builder nogil:
Type getType()
int64_t asInt"as<int64_t>"()
uint64_t asUint"as<uint64_t>"()
bint asBool"as<bool>"()
double asDouble"as<double>"()
StringPtr asText"as< ::capnp::Text>"()
DynamicList.Builder asList"as< ::capnp::DynamicList>"()
DynamicStruct_Builder asStruct"as< ::capnp::DynamicStruct>"()
AnyPointer.Builder asObject"as< ::capnp::AnyPointer>"()
DynamicCapability.Client asCapability"as< ::capnp::DynamicCapability>"()
DynamicEnum asEnum"as< ::capnp::DynamicEnum>"()
Data.Builder asData"as< ::capnp::Data>"()
cppclass Pipeline nogil:
Pipeline(Pipeline)
DynamicCapability.Client asCapability"releaseAs< ::capnp::DynamicCapability>"()
DynamicStruct.Pipeline asStruct"releaseAs< ::capnp::DynamicStruct>"()
Type getType()
cdef extern from "capnp/schema-parser.h" namespace " ::capnp":
cdef cppclass ParsedSchema(Schema) nogil:
ParsedSchema getNested(char * name) except +reraise_kj_exception
cdef cppclass SchemaParser nogil:
SchemaParser()
ParsedSchema parseDiskFile(char * displayName, char * diskPath, ArrayPtr[StringPtr] importPath)
cdef extern from "capnp/orphan.h" namespace " ::capnp":
cdef cppclass DynamicOrphan" ::capnp::Orphan< ::capnp::DynamicValue>" nogil:
DynamicValue.Builder get()
DynamicValue.Reader getReader()
cdef extern from "capnp/capability.h" namespace " ::capnp":
cdef cppclass CallContext' ::capnp::CallContext< ::capnp::DynamicStruct, ::capnp::DynamicStruct>' nogil:
CallContext(CallContext&)
DynamicStruct.Reader getParams() except +reraise_kj_exception
void releaseParams() except +reraise_kj_exception
DynamicStruct_Builder getResults()
DynamicStruct_Builder initResults()
void setResults(DynamicStruct.Reader value)
# void adoptResults(Orphan<Results>&& value);
# Orphanage getResultsOrphanage(uint firstSegmentWordSize = 0);
VoidPromise tailCall(Request & tailRequest)
void allowCancellation() except +reraise_kj_exception
cdef extern from "kj/async.h" namespace " ::kj":
cdef cppclass EventPort:
bool wait() except* with gil
bool poll() except* with gil
void setRunnable(bool runnable) except* with gil
cdef cppclass EventLoop nogil:
EventLoop()
EventLoop(EventPort &)
void run()
cdef cppclass WaitScope nogil:
WaitScope(EventLoop &)
void poll()
cdef cppclass PromiseFulfiller[T] nogil:
void fulfill(T&& value)
void reject(Exception&& exception)
cdef cppclass VoidPromiseFulfiller"::kj::PromiseFulfiller<void>" nogil:
void fulfill()
void reject(Exception&& exception)
cdef cppclass PromiseFulfillerPair" ::kj::PromiseFulfillerPair<void>" nogil:
VoidPromise promise
Own[VoidPromiseFulfiller] fulfiller
PromiseFulfillerPair newPromiseAndFulfiller" ::kj::newPromiseAndFulfiller<void>"() nogil
PyPromiseArray joinPromises(Array[PyPromise]) nogil
cdef extern from "capnp/helpers/capabilityHelper.h":
cdef cppclass PyAsyncIoStream(AsyncIoStream):
PyAsyncIoStream(PyObject* thisptr)
void rejectDisconnected[T](PromiseFulfiller[T]& fulfiller, StringPtr message)
void rejectVoidDisconnected(VoidPromiseFulfiller& fulfiller, StringPtr message)