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charset="utf-8" This patch handles QAPI event types and generates data structures in Go that handles it. Note that the timestamp is part of the first layer of unmarshal, so it s a member of protocol.go's Message type. Example: qapi: | ## | # @MEMORY_DEVICE_SIZE_CHANGE: | # | # Emitted when the size of a memory device changes. Only emitted for | # memory devices that can actually change the size (e.g., virtio-mem | # due to guest action). | # | # @id: device's ID | # | # @size: the new size of memory that the device provides | # | # @qom-path: path to the device object in the QOM tree (since 6.2) | # | # .. note:: This event is rate-limited. | # | # Since: 5.1 | # | # .. qmp-example:: | # | # <- { "event": "MEMORY_DEVICE_SIZE_CHANGE", | # "data": { "id": "vm0", "size": 1073741824, | # "qom-path": "/machine/unattached/device[2]" }, | # "timestamp": { "seconds": 1588168529, "microseconds": 201316 = } } | ## | { 'event': 'MEMORY_DEVICE_SIZE_CHANGE', | 'data': { '*id': 'str', 'size': 'size', 'qom-path' : 'str'} } go: | // Emitted when the size of a memory device changes. Only emitted for | // memory devices that can actually change the size (e.g., virtio-mem | // due to guest action). | // | // .. note:: This event is rate-limited. | // | // Since: 5.1 | // | // .. qmp-example:: <- { "event": "MEMORY_DEVICE_SIZE_CHANGE", | // "data": { "id": "vm0", "size": 1073741824, "qom-path": | // "/machine/unattached/device[2]" }, "timestamp": { "seconds": | // 1588168529, "microseconds": 201316 } } | type MemoryDeviceSizeChangeEvent struct { | // device's ID | Id *string `json:"id,omitempty"` | // the new size of memory that the device provides | Size uint64 `json:"size"` | // path to the device object in the QOM tree (since 6.2) | QomPath string `json:"qom-path"` | } Signed-off-by: Victor Toso --- scripts/qapi/golang/golang.py | 49 ++++++++++++++++++++++++++++++++--- 1 file changed, 46 insertions(+), 3 deletions(-) diff --git a/scripts/qapi/golang/golang.py b/scripts/qapi/golang/golang.py index 59e9b1f644..63d55ca950 100644 --- a/scripts/qapi/golang/golang.py +++ b/scripts/qapi/golang/golang.py @@ -291,7 +291,7 @@ def qapi_to_field_name_enum(name: str) -> str: return name.title().replace("-", "") =20 =20 -def qapi_to_go_type_name(name: str) -> str: +def qapi_to_go_type_name(name: str, meta: Optional[str] =3D None) -> str: # We want to keep CamelCase for Golang types. We want to avoid removing # already set CameCase names while fixing uppercase ones, eg: # 1) q_obj_SocketAddress_base -> SocketAddressBase @@ -309,6 +309,12 @@ def qapi_to_go_type_name(name: str) -> str: =20 name +=3D "".join(word.title() for word in words[1:]) =20 + # Handle specific meta suffix + types =3D ["event"] + if meta in types: + name =3D name[:-3] if name.endswith("Arg") else name + name +=3D meta.title().replace(" ", "") + return name =20 =20 @@ -818,7 +824,8 @@ def qapi_to_golang_struct( fields.append(field) with_nullable =3D True if nullable else with_nullable =20 - type_name =3D qapi_to_go_type_name(name) + type_name =3D qapi_to_go_type_name(name, info.defn_meta) + content =3D string_to_code( generate_struct_type( type_name, type_doc=3Dtype_doc, args=3Dfields, indent=3Dindent @@ -996,6 +1003,15 @@ def generate_template_alternate( return "\n" + content =20 =20 +def generate_template_event(events: dict[str, Tuple[str, str]]) -> str: + content =3D "" + for name in sorted(events): + type_name, gocode =3D events[name] + content +=3D gocode + + return content + + def generate_content_from_dict(data: dict[str, str]) -> str: content =3D "" =20 @@ -1045,11 +1061,13 @@ def __init__(self, _: str): types =3D { "alternate": ["encoding/json", "errors", "fmt"], "enum": [], + "event": [], "struct": ["encoding/json"], "union": ["encoding/json", "errors", "fmt"], } =20 self.schema: QAPISchema + self.events: dict[str, Tuple[str, str]] =3D {} self.golang_package_name =3D "qapi" self.duplicate =3D list(gofiles) self.enums: dict[str, str] =3D {} @@ -1096,6 +1114,7 @@ def visit_end(self) -> None: self.types["alternate"] +=3D generate_content_from_dict(self.alter= nates) self.types["struct"] +=3D generate_content_from_dict(self.structs) self.types["union"] +=3D generate_content_from_dict(self.unions) + self.types["event"] +=3D generate_template_event(self.events) =20 def visit_object_type( self, @@ -1254,7 +1273,31 @@ def visit_event( arg_type: Optional[QAPISchemaObjectType], boxed: bool, ) -> None: - pass + assert name =3D=3D info.defn_name + assert name not in self.events + type_name =3D qapi_to_go_type_name(name, info.defn_meta) + + if isinstance(arg_type, QAPISchemaObjectType): + content =3D string_to_code( + qapi_to_golang_struct( + self, + name, + info, + arg_type.ifcond, + arg_type.features, + arg_type.base, + arg_type.members, + arg_type.branches, + ) + ) + else: + doc =3D self.docmap.get(name, None) + type_doc, _ =3D qapi_to_golang_struct_docs(doc) + content =3D string_to_code( + generate_struct_type(type_name, type_doc=3Dtype_doc) + ) + + self.events[name] =3D (type_name, content) =20 def write(self, outdir: str) -> None: godir =3D "go" --=20 2.48.1