mojo/public/libs/message/README - Issue 23629032: mojo: MessageBuilder

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Unified Diff: mojo/public/libs/message/README

Issue 23629032: mojo: MessageBuilder (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: New and improved directory structure and file names. Created 7 years, 3 months ago

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Index: mojo/public/libs/message/README

diff --git a/mojo/public/libs/message/README b/mojo/public/libs/message/README

new file mode 100644

index 0000000000000000000000000000000000000000..b25b2894a4eac844a6a3ada1a8aa6ba3f9e65a8b

--- /dev/null

+++ b/mojo/public/libs/message/README

@@ -0,0 +1,40 @@

+MESSAGE FORMAT

+==============

+A Mojo IPC message resembles a property bag, with ordinals as property names.

+Message:

+MessageName:

+ [ U32 ]

+MessageSize:

+ [ U32 ]

+Field:

+ [ FieldHeader | FieldValue ]

+FieldHeader:

+ [ FieldName | FieldType ]

+FieldName:

+ [ U16 ]

+FieldType:

+ [ U14 | FieldClass ]

+FieldClass:

+ [ U2 ]

+ 01 - FieldValue is a 32-bit value (U32)

+ 10 - FieldValue is a 64-bit value (U64)

+ 11 - FieldValue is a variable-length array

+FieldValue:

+ [ U32 ]

+ [ U64 ]

+ [ FieldSize | FieldBytes ]

+FieldSize:

+ [ U32 ]