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Commit b299cb72 authored by Yifan Hong's avatar Yifan Hong
Browse files

fastbootd: Add getvar max-fetch-size. 

Test: run it
Test: see follow up CL on fuzzy_fastboot

Bug: 173654501

Change-Id: I5ed110c5569d83cbe791d04b4abea3a2af2765a9
parent c90fce43

fastboot/Android.bp

+6 −0
Original line number Diff line number Diff line
@@ -138,6 +138,12 @@ cc_binary { 


    recovery: true,



    product_variables: {

        debuggable: {

            cppflags: ["-DFB_ENABLE_FETCH"],

        },

    },



    srcs: [

        "device/commands.cpp",

        "device/fastboot_device.cpp",

fastboot/constants.h

+1 −0
Original line number Diff line number Diff line
@@ -77,3 +77,4 @@ 
#define FB_VAR_FIRST_API_LEVEL "first-api-level"

#define FB_VAR_SECURITY_PATCH_LEVEL "security-patch-level"

#define FB_VAR_TREBLE_ENABLED "treble-enabled"

#define FB_VAR_MAX_FETCH_SIZE "max-fetch-size"

fastboot/device/commands.cpp

+3 −1
Original line number Diff line number Diff line
@@ -136,7 +136,9 @@ bool GetVarHandler(FastbootDevice* device, const std::vector<std::string>& args) 
            {FB_VAR_DYNAMIC_PARTITION, {GetDynamicPartition, nullptr}},

            {FB_VAR_FIRST_API_LEVEL, {GetFirstApiLevel, nullptr}},

            {FB_VAR_SECURITY_PATCH_LEVEL, {GetSecurityPatchLevel, nullptr}},

            {FB_VAR_TREBLE_ENABLED, {GetTrebleEnabled, nullptr}}};

            {FB_VAR_TREBLE_ENABLED, {GetTrebleEnabled, nullptr}},

            {FB_VAR_MAX_FETCH_SIZE, {GetMaxFetchSize, nullptr}},

    };



    if (args.size() < 2) {

        return device->WriteFail("Missing argument");

fastboot/device/commands.h

+1 −0
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ 
#include <vector>



constexpr unsigned int kMaxDownloadSizeDefault = 0x10000000;

constexpr unsigned int kMaxFetchSizeDefault = 0x10000000;



class FastbootDevice;

fastboot/device/variables.cpp

+16 −0
Original line number Diff line number Diff line
@@ -33,6 +33,12 @@ 
#include "flashing.h"

#include "utility.h"



#ifdef FB_ENABLE_FETCH

static constexpr bool kEnableFetch = true;

#else

static constexpr bool kEnableFetch = false;

#endif



using ::android::hardware::boot::V1_0::BoolResult;

using ::android::hardware::boot::V1_0::Slot;

using ::android::hardware::boot::V1_1::MergeStatus;
@@ -509,3 +515,13 @@ bool GetTrebleEnabled(FastbootDevice* /* device */, const std::vector<std::strin 
    *message = android::base::GetProperty("ro.treble.enabled", "");

    return true;

}



bool GetMaxFetchSize(FastbootDevice* /* device */, const std::vector<std::string>& /* args */,

                     std::string* message) {

    if (!kEnableFetch) {

        *message = "fetch not supported on user builds";

        return false;

    }

    *message = android::base::StringPrintf("0x%X", kMaxFetchSizeDefault);

    return true;

}