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[bluetooth_proxy] Optimize UUID transmission with efficient short_uuid field (#9995)

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This commit is contained in:
J. Nick Koston
2025-07-31 11:20:53 -10:00
committed by GitHub
parent 936a090aaa
commit 28b277c1c4
10 changed files with 126 additions and 19 deletions
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29
script/api_protobuf/api_protobuf.py
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@@ -1075,6 +1075,11 @@ class FixedArrayRepeatedType(TypeInfo):
def __init__(self, field: descriptor.FieldDescriptorProto, size: int) -> None:
super().__init__(field)
self.array_size = size
# Check if we should skip encoding when all elements are zero
# Use getattr to handle older versions of api_options_pb2
self.skip_zero = get_field_opt(
field, getattr(pb, "fixed_array_skip_zero", None), False
)
# Create the element type info
validate_field_type(field.type, field.name)
self._ti: TypeInfo = TYPE_INFO[field.type](field)
@@ -1113,6 +1118,18 @@ class FixedArrayRepeatedType(TypeInfo):
else:
return f"buffer.{self._ti.encode_func}({self.number}, {element}, true);"
# If skip_zero is enabled, wrap encoding in a zero check
if self.skip_zero:
# Build the condition to check if at least one element is non-zero
non_zero_checks = " || ".join(
[f"this->{self.field_name}[{i}] != 0" for i in range(self.array_size)]
)
encode_lines = [
f" {encode_element(f'this->{self.field_name}[{i}]')}"
for i in range(self.array_size)
]
return f"if ({non_zero_checks}) {{\n" + "\n".join(encode_lines) + "\n}"
# Unroll small arrays for efficiency
if self.array_size == 1:
return encode_element(f"this->{self.field_name}[0]")
@@ -1141,6 +1158,18 @@ class FixedArrayRepeatedType(TypeInfo):
return ""
def get_size_calculation(self, name: str, force: bool = False) -> str:
# If skip_zero is enabled, wrap size calculation in a zero check
if self.skip_zero:
# Build the condition to check if at least one element is non-zero
non_zero_checks = " || ".join(
[f"{name}[{i}] != 0" for i in range(self.array_size)]
)
size_lines = [
f" {self._ti.get_size_calculation(f'{name}[{i}]', True)}"
for i in range(self.array_size)
]
return f"if ({non_zero_checks}) {{\n" + "\n".join(size_lines) + "\n}"
# For fixed arrays, we always encode all elements
# Special case for single-element arrays - no loop needed