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Ensure we log the full generated setup payload in chip-tool. #21207

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Jul 26, 2022
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Ensure we log the full generated setup payload in chip-tool. #21207

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9 changes: 9 additions & 0 deletions examples/chip-tool/commands/payload/SetupPayloadGenerateCommand.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -95,6 +95,15 @@ CHIP_ERROR SetupPayloadGenerateQRCodeCommand::Run()

std::string code;
ReturnErrorOnFailure(generator.payloadBase38RepresentationWithAutoTLVBuffer(code));
// CHIP_CONFIG_LOG_MESSAGE_MAX_SIZE includes various prefixes we don't
// control (timestamps, process ids, etc). Let's assume (hope?) that
// those prefixes use up no more than half the total available space.
constexpr size_t chunkSize = CHIP_CONFIG_LOG_MESSAGE_MAX_SIZE / 2;
while (code.size() > chunkSize)
{
ChipLogProgress(chipTool, "QR Code: %s", code.substr(0, chunkSize).c_str());
code = code.substr(chunkSize);
}
ChipLogProgress(chipTool, "QR Code: %s", code.c_str());

return CHIP_NO_ERROR;
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