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[OTA] Make OTAProviderDelegate responsible for responding to commands (…
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…project-chip#16654)
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@carol-apple @andrei-menzopol
carol-apple authored and andrei-menzopol committed Apr 14, 2022
1 parent 4933411 commit 0862b98
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Showing 4 changed files with 77 additions and 80 deletions.
63 changes: 32 additions & 31 deletions examples/ota-provider-app/ota-provider-common/OTAProviderExample.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,7 @@ using chip::Server;
using chip::Span;
using chip::app::Clusters::OTAProviderDelegate;
using chip::bdx::TransferControlFlags;
using chip::Protocols::InteractionModel::Status;
using namespace chip;
using namespace chip::ota;
using namespace chip::app::Clusters::OtaSoftwareUpdateProvider;
Expand Down Expand Up @@ -215,10 +216,11 @@ bool OTAProviderExample::ParseOTAHeader(const char * otaFilePath, OTAImageHeader
return true;
}

CHIP_ERROR OTAProviderExample::SendQueryImageResponse(chip::app::CommandHandler * commandObj,
const chip::app::ConcreteCommandPath & commandPath,
const QueryImage::DecodableType & commandData)
void OTAProviderExample::SendQueryImageResponse(app::CommandHandler * commandObj, const app::ConcreteCommandPath & commandPath,
const QueryImage::DecodableType & commandData)
{
VerifyOrReturn(commandObj != nullptr, ChipLogError(SoftwareUpdate, "Invalid commandObj, cannot send QueryImageResponse"));

QueryImageResponse::Type response;
bool requestorCanConsent = commandData.requestorCanConsent.ValueOr(false);
uint8_t updateToken[kUpdateTokenLen] = { 0 };
Expand Down Expand Up @@ -249,9 +251,14 @@ CHIP_ERROR OTAProviderExample::SendQueryImageResponse(chip::app::CommandHandler
if (mBdxOtaSender.InitializeTransfer(commandObj->GetSubjectDescriptor().fabricIndex,
commandObj->GetSubjectDescriptor().subject) == CHIP_NO_ERROR)
{
ReturnErrorOnFailure(mBdxOtaSender.PrepareForTransfer(&chip::DeviceLayer::SystemLayer(),
chip::bdx::TransferRole::kSender, bdxFlags, kMaxBdxBlockSize,
kBdxTimeout, kBdxPollFreq));
CHIP_ERROR error = mBdxOtaSender.PrepareForTransfer(&chip::DeviceLayer::SystemLayer(), chip::bdx::TransferRole::kSender,
bdxFlags, kMaxBdxBlockSize, kBdxTimeout, kBdxPollFreq);
if (error != CHIP_NO_ERROR)
{
ChipLogError(SoftwareUpdate, "Cannot prepare for transfer: %" CHIP_ERROR_FORMAT, error.Format());
commandObj->AddStatus(commandPath, Status::Failure);
return;
}

response.imageURI.Emplace(chip::CharSpan::fromCharString(uriBuf));
response.softwareVersion.Emplace(mSoftwareVersion);
Expand Down Expand Up @@ -282,21 +289,20 @@ CHIP_ERROR OTAProviderExample::SendQueryImageResponse(chip::app::CommandHandler
response.metadataForRequestor.Emplace(chip::ByteSpan());
}

// Either sends the response or an error status
commandObj->AddResponse(commandPath, response);
return CHIP_NO_ERROR;
}

EmberAfStatus OTAProviderExample::HandleQueryImage(chip::app::CommandHandler * commandObj,
const chip::app::ConcreteCommandPath & commandPath,
const QueryImage::DecodableType & commandData)
void OTAProviderExample::HandleQueryImage(app::CommandHandler * commandObj, const app::ConcreteCommandPath & commandPath,
const QueryImage::DecodableType & commandData)
{
bool requestorCanConsent = commandData.requestorCanConsent.ValueOr(false);

if (mIgnoreQueryImageCount > 0)
{
ChipLogDetail(SoftwareUpdate, "Skip HandleQueryImage response. mIgnoreQueryImageCount %" PRIu32, mIgnoreQueryImageCount);
ChipLogDetail(SoftwareUpdate, "Skip sending QueryImageResponse, ignore count: %" PRIu32, mIgnoreQueryImageCount);
mIgnoreQueryImageCount--;
return EMBER_ZCL_STATUS_SUCCESS;
return;
}

if (mQueryImageStatus == OTAQueryStatus::kUpdateAvailable)
Expand Down Expand Up @@ -351,25 +357,24 @@ EmberAfStatus OTAProviderExample::HandleQueryImage(chip::app::CommandHandler * c
}
}

VerifyOrReturnError(SendQueryImageResponse(commandObj, commandPath, commandData) == CHIP_NO_ERROR, EMBER_ZCL_STATUS_FAILURE);
// Guarantees that either a response or an error status is sent
SendQueryImageResponse(commandObj, commandPath, commandData);

// After the first response is sent, default to these values for subsequent queries
mQueryImageStatus = OTAQueryStatus::kUpdateAvailable;
mDelayedQueryActionTimeSec = 0;

return EMBER_ZCL_STATUS_SUCCESS;
}

EmberAfStatus OTAProviderExample::HandleApplyUpdateRequest(chip::app::CommandHandler * commandObj,
const chip::app::ConcreteCommandPath & commandPath,
const ApplyUpdateRequest::DecodableType & commandData)
void OTAProviderExample::HandleApplyUpdateRequest(app::CommandHandler * commandObj, const app::ConcreteCommandPath & commandPath,
const ApplyUpdateRequest::DecodableType & commandData)
{
VerifyOrReturn(commandObj != nullptr, ChipLogError(SoftwareUpdate, "Invalid commandObj, cannot handle ApplyUpdateRequest"));

if (mIgnoreApplyUpdateCount > 0)
{
ChipLogDetail(SoftwareUpdate, "Skip HandleApplyUpdateRequest response. mIgnoreApplyUpdateCount %" PRIu32,
mIgnoreApplyUpdateCount);
ChipLogDetail(SoftwareUpdate, "Skip sending ApplyUpdateResponse, ignore count %" PRIu32, mIgnoreApplyUpdateCount);
mIgnoreApplyUpdateCount--;
return EMBER_ZCL_STATUS_SUCCESS;
return;
}

// TODO: handle multiple transfers by tracking updateTokens
Expand All @@ -378,8 +383,6 @@ EmberAfStatus OTAProviderExample::HandleApplyUpdateRequest(chip::app::CommandHan
GetUpdateTokenString(commandData.updateToken, tokenBuf, kUpdateTokenStrLen);
ChipLogDetail(SoftwareUpdate, "%s: token: %s, version: %" PRIu32, __FUNCTION__, tokenBuf, commandData.newVersion);

VerifyOrReturnError(commandObj != nullptr, EMBER_ZCL_STATUS_INVALID_VALUE);

ApplyUpdateResponse::Type response;
response.action = mUpdateAction;
response.delayedActionTime = mDelayedApplyActionTimeSec;
Expand All @@ -389,21 +392,19 @@ EmberAfStatus OTAProviderExample::HandleApplyUpdateRequest(chip::app::CommandHan
// Reset back to success case for subsequent uses
mUpdateAction = OTAApplyUpdateAction::kProceed;

// Either sends the response or an error status
commandObj->AddResponse(commandPath, response);

return EMBER_ZCL_STATUS_SUCCESS;
}

EmberAfStatus OTAProviderExample::HandleNotifyUpdateApplied(chip::app::CommandHandler * commandObj,
const chip::app::ConcreteCommandPath & commandPath,
const NotifyUpdateApplied::DecodableType & commandData)
void OTAProviderExample::HandleNotifyUpdateApplied(app::CommandHandler * commandObj, const app::ConcreteCommandPath & commandPath,
const NotifyUpdateApplied::DecodableType & commandData)
{
VerifyOrReturn(commandObj != nullptr, ChipLogError(SoftwareUpdate, "Invalid commandObj, cannot handle NotifyUpdateApplied"));

char tokenBuf[kUpdateTokenStrLen] = { 0 };

GetUpdateTokenString(commandData.updateToken, tokenBuf, kUpdateTokenStrLen);
ChipLogDetail(SoftwareUpdate, "%s: token: %s, version: %" PRIu32, __FUNCTION__, tokenBuf, commandData.softwareVersion);

emberAfSendImmediateDefaultResponse(EMBER_ZCL_STATUS_SUCCESS);

return EMBER_ZCL_STATUS_SUCCESS;
commandObj->AddStatus(commandPath, Status::Success);
}
38 changes: 21 additions & 17 deletions examples/ota-provider-app/ota-provider-common/OTAProviderExample.h
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Original file line number Diff line number Diff line change
Expand Up @@ -32,24 +32,10 @@
class OTAProviderExample : public chip::app::Clusters::OTAProviderDelegate
{
public:
using OTAQueryStatus = chip::app::Clusters::OtaSoftwareUpdateProvider::OTAQueryStatus;
using OTAApplyUpdateAction = chip::app::Clusters::OtaSoftwareUpdateProvider::OTAApplyUpdateAction;

OTAProviderExample();

void SetOTAFilePath(const char * path);
BdxOtaSender * GetBdxOtaSender() { return &mBdxOtaSender; }

// Inherited from OTAProviderDelegate
EmberAfStatus HandleQueryImage(
chip::app::CommandHandler * commandObj, const chip::app::ConcreteCommandPath & commandPath,
const chip::app::Clusters::OtaSoftwareUpdateProvider::Commands::QueryImage::DecodableType & commandData) override;
EmberAfStatus HandleApplyUpdateRequest(
chip::app::CommandHandler * commandObj, const chip::app::ConcreteCommandPath & commandPath,
const chip::app::Clusters::OtaSoftwareUpdateProvider::Commands::ApplyUpdateRequest::DecodableType & commandData) override;
EmberAfStatus HandleNotifyUpdateApplied(
chip::app::CommandHandler * commandObj, const chip::app::ConcreteCommandPath & commandPath,
const chip::app::Clusters::OtaSoftwareUpdateProvider::Commands::NotifyUpdateApplied::DecodableType & commandData) override;
using OTAQueryStatus = chip::app::Clusters::OtaSoftwareUpdateProvider::OTAQueryStatus;
using OTAApplyUpdateAction = chip::app::Clusters::OtaSoftwareUpdateProvider::OTAApplyUpdateAction;

static constexpr uint16_t SW_VER_STR_MAX_LEN = 64;
static constexpr uint16_t OTA_URL_MAX_LEN = 512;
Expand All @@ -68,6 +54,21 @@ class OTAProviderExample : public chip::app::Clusters::OTAProviderDelegate
char otaURL[OTA_URL_MAX_LEN];
} DeviceSoftwareVersionModel;

//////////// OTAProviderDelegate Implementation ///////////////
void HandleQueryImage(
chip::app::CommandHandler * commandObj, const chip::app::ConcreteCommandPath & commandPath,
const chip::app::Clusters::OtaSoftwareUpdateProvider::Commands::QueryImage::DecodableType & commandData) override;
void HandleApplyUpdateRequest(
chip::app::CommandHandler * commandObj, const chip::app::ConcreteCommandPath & commandPath,
const chip::app::Clusters::OtaSoftwareUpdateProvider::Commands::ApplyUpdateRequest::DecodableType & commandData) override;
void HandleNotifyUpdateApplied(
chip::app::CommandHandler * commandObj, const chip::app::ConcreteCommandPath & commandPath,
const chip::app::Clusters::OtaSoftwareUpdateProvider::Commands::NotifyUpdateApplied::DecodableType & commandData) override;

//////////// OTAProviderExample public APIs ///////////////
void SetOTAFilePath(const char * path);
BdxOtaSender * GetBdxOtaSender() { return &mBdxOtaSender; }

void SetOTACandidates(std::vector<OTAProviderExample::DeviceSoftwareVersionModel> candidates);
void SetIgnoreQueryImageCount(uint32_t count) { mIgnoreQueryImageCount = count; }
void SetIgnoreApplyUpdateCount(uint32_t count) { mIgnoreApplyUpdateCount = count; }
Expand All @@ -93,7 +94,10 @@ class OTAProviderExample : public chip::app::Clusters::OTAProviderDelegate

bool ParseOTAHeader(const char * otaFilePath, chip::OTAImageHeader & header);

CHIP_ERROR
/**
* Called to send the response for a QueryImage command. If an error is encountered, an error status will be sent.
*/
void
SendQueryImageResponse(chip::app::CommandHandler * commandObj, const chip::app::ConcreteCommandPath & commandPath,
const chip::app::Clusters::OtaSoftwareUpdateProvider::Commands::QueryImage::DecodableType & commandData);

Expand Down
20 changes: 16 additions & 4 deletions src/app/clusters/ota-provider/ota-provider-delegate.h
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Original file line number Diff line number Diff line change
Expand Up @@ -37,14 +37,26 @@ namespace Clusters {
class OTAProviderDelegate
{
public:
virtual EmberAfStatus HandleQueryImage(CommandHandler * commandObj, const ConcreteCommandPath & commandPath,
const OtaSoftwareUpdateProvider::Commands::QueryImage::DecodableType & commandData) = 0;
/**
* Called to handle a QueryImage command and is responsible for sending the response (if success) or status (if error). The
* caller is responsible for validating fields in the command.
*/
virtual void HandleQueryImage(CommandHandler * commandObj, const ConcreteCommandPath & commandPath,
const OtaSoftwareUpdateProvider::Commands::QueryImage::DecodableType & commandData) = 0;

virtual EmberAfStatus
/**
* Called to handle an ApplyUpdateRequest command and is responsible for sending the response (if success) or status (if error).
* The caller is responsible for validating fields in the command.
*/
virtual void
HandleApplyUpdateRequest(CommandHandler * commandObj, const chip::app::ConcreteCommandPath & commandPath,
const OtaSoftwareUpdateProvider::Commands::ApplyUpdateRequest::DecodableType & commandData) = 0;

virtual EmberAfStatus
/**
* Called to handle a NotifyUpdateApplied command and is responsible for sending the status. The caller is responsible for
* validating fields in the command.
*/
virtual void
HandleNotifyUpdateApplied(CommandHandler * commandObj, const chip::app::ConcreteCommandPath & commandPath,
const OtaSoftwareUpdateProvider::Commands::NotifyUpdateApplied::DecodableType & commandData) = 0;

Expand Down
36 changes: 8 additions & 28 deletions src/app/clusters/ota-provider/ota-provider.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -82,11 +82,8 @@ bool emberAfOtaSoftwareUpdateProviderClusterApplyUpdateRequestCallback(
app::CommandHandler * commandObj, const app::ConcreteCommandPath & commandPath,
const Commands::ApplyUpdateRequest::DecodableType & commandData)
{
auto & updateToken = commandData.updateToken;

EndpointId endpoint = commandPath.mEndpointId;

EmberAfStatus status = EMBER_ZCL_STATUS_SUCCESS;
auto & updateToken = commandData.updateToken;
EndpointId endpoint = commandPath.mEndpointId;
OTAProviderDelegate * delegate = GetDelegate(endpoint);

ChipLogProgress(Zcl, "OTA Provider received ApplyUpdateRequest");
Expand All @@ -105,11 +102,7 @@ bool emberAfOtaSoftwareUpdateProviderClusterApplyUpdateRequestCallback(
return true;
}

status = delegate->HandleApplyUpdateRequest(commandObj, commandPath, commandData);
if (status != EMBER_ZCL_STATUS_SUCCESS)
{
commandObj->AddStatus(commandPath, app::ToInteractionModelStatus(status));
}
delegate->HandleApplyUpdateRequest(commandObj, commandPath, commandData);

return true;
}
Expand All @@ -121,11 +114,8 @@ bool emberAfOtaSoftwareUpdateProviderClusterNotifyUpdateAppliedCallback(
app::CommandHandler * commandObj, const app::ConcreteCommandPath & commandPath,
const Commands::NotifyUpdateApplied::DecodableType & commandData)
{
auto & updateToken = commandData.updateToken;

EndpointId endpoint = commandPath.mEndpointId;

EmberAfStatus status = EMBER_ZCL_STATUS_SUCCESS;
auto & updateToken = commandData.updateToken;
EndpointId endpoint = commandPath.mEndpointId;
OTAProviderDelegate * delegate = GetDelegate(endpoint);

ChipLogProgress(Zcl, "OTA Provider received NotifyUpdateApplied");
Expand All @@ -144,11 +134,7 @@ bool emberAfOtaSoftwareUpdateProviderClusterNotifyUpdateAppliedCallback(
return true;
}

status = delegate->HandleNotifyUpdateApplied(commandObj, commandPath, commandData);
if (status != EMBER_ZCL_STATUS_SUCCESS)
{
commandObj->AddStatus(commandPath, app::ToInteractionModelStatus(status));
}
delegate->HandleNotifyUpdateApplied(commandObj, commandPath, commandData);

return true;
}
Expand All @@ -173,9 +159,7 @@ bool emberAfOtaSoftwareUpdateProviderClusterQueryImageCallback(app::CommandHandl
(void) productId;
(void) softwareVersion;

EndpointId endpoint = commandPath.mEndpointId;

EmberAfStatus status = EMBER_ZCL_STATUS_SUCCESS;
EndpointId endpoint = commandPath.mEndpointId;
OTAProviderDelegate * delegate = GetDelegate(endpoint);

if (SendStatusIfDelegateNull(commandObj, commandPath))
Expand Down Expand Up @@ -225,11 +209,7 @@ bool emberAfOtaSoftwareUpdateProviderClusterQueryImageCallback(app::CommandHandl
return true;
}

status = delegate->HandleQueryImage(commandObj, commandPath, commandData);
if (status != EMBER_ZCL_STATUS_SUCCESS)
{
commandObj->AddStatus(commandPath, app::ToInteractionModelStatus(status));
}
delegate->HandleQueryImage(commandObj, commandPath, commandData);

return true;
}
Expand Down

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