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Commit 9111edc2 authored by Steven Moreland's avatar Steven Moreland Committed by Android (Google) Code Review
Browse files

Merge "freeze rpc binder wire protocol" into udc-dev

parents 3144ff60 42e5e142

libs/binder/RpcState.cpp

+1 −1
Original line number Diff line number Diff line
@@ -928,7 +928,7 @@ processTransactInternalTailCall: 
                                          transactionData.size() -

                                                  offsetof(RpcWireTransaction, data)};

        Span<const uint32_t> objectTableSpan;

        if (session->getProtocolVersion().value() >

        if (session->getProtocolVersion().value() >=

            RPC_WIRE_PROTOCOL_VERSION_RPC_HEADER_FEATURE_EXPLICIT_PARCEL_SIZE) {

            std::optional<Span<const uint8_t>> objectTableBytes =

                    parcelSpan.splitOff(transaction->parcelDataSize);

libs/binder/include/binder/RpcSession.h

+2 −2
Original line number Diff line number Diff line
@@ -37,9 +37,9 @@ class RpcState; 
class RpcTransport;

class FdTrigger;



constexpr uint32_t RPC_WIRE_PROTOCOL_VERSION_NEXT = 1;

constexpr uint32_t RPC_WIRE_PROTOCOL_VERSION_NEXT = 2;

constexpr uint32_t RPC_WIRE_PROTOCOL_VERSION_EXPERIMENTAL = 0xF0000000;

constexpr uint32_t RPC_WIRE_PROTOCOL_VERSION = RPC_WIRE_PROTOCOL_VERSION_EXPERIMENTAL;

constexpr uint32_t RPC_WIRE_PROTOCOL_VERSION = 1;



// Starting with this version:

//

libs/binder/tests/binderRpcWireProtocolTest.cpp

+12 −1
Original line number Diff line number Diff line
@@ -237,14 +237,25 @@ TEST(RpcWire, V0) { 
    checkRepr(kCurrentRepr, 0);

}



TEST(RpcWire, V1) {

    checkRepr(kCurrentRepr, 1);

}



TEST(RpcWire, CurrentVersion) {

    checkRepr(kCurrentRepr, RPC_WIRE_PROTOCOL_VERSION);

}



static_assert(RPC_WIRE_PROTOCOL_VERSION == RPC_WIRE_PROTOCOL_VERSION_EXPERIMENTAL,

static_assert(RPC_WIRE_PROTOCOL_VERSION == 1,

              "If the binder wire protocol is updated, this test should test additional versions. "

              "The binder wire protocol should only be updated on upstream AOSP.");



TEST(RpcWire, NextIsPlusOneReminder) {

    if (RPC_WIRE_PROTOCOL_VERSION != RPC_WIRE_PROTOCOL_VERSION_EXPERIMENTAL) {

        EXPECT_EQ(RPC_WIRE_PROTOCOL_VERSION + 1, RPC_WIRE_PROTOCOL_VERSION_NEXT)

                << "Make sure to note what the next version should be.";

    }

}



TEST(RpcWire, ReleaseBranchHasFrozenRpcWireProtocol) {

    if (RPC_WIRE_PROTOCOL_VERSION == RPC_WIRE_PROTOCOL_VERSION_EXPERIMENTAL) {

        EXPECT_FALSE(base::GetProperty("ro.build.version.codename", "") == "REL")