I have a multi-process application where one of the processes needs to
work on arbitrary message types provided by one of the other processes
via FileDescriptorProto.
Is there a way to check that a given Descriptor is compatible with
another Descriptor with the same full_name()?
For example:
************
Scenario 1
Application 1:
message Foo
{
optional int32 a = 1;
optional int32 b = 2;
}
Application 2:
// updated but compatible Foo
message Foo
{
optional int32 a = 1;
optional int32 b = 2;
optional int32 c = 3;
}
Application 3: Gets Foo from 1 & 2 via a FileDescriptorProto (which
are then converted to Descriptors via DescriptorPool::BuildFile() )
and wants to check that they are compatible.
************
************
Scenario 1
Application 1:
message Foo
{
optional int32 a = 1;
optional int32 b = 2;
}
Application 2:
// updated but incompatible Foo
message Foo
{
optional int32 a = 1;
optional string b = 2;
}
Application 3: Gets Foo from 1 & 2 via a FileDescriptorProto (which
are then converted to Descriptors via DescriptorPool::BuildFile() )
and wants to check that they are compatible.
************
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