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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "MIDILog.h"
#include "mozilla/dom/MIDITypes.h"
#include "mozilla/dom/MIDIPortBinding.h"
mozilla::LazyLogModule gWebMIDILog("WebMIDI");
void LogMIDIMessage(const mozilla::dom::MIDIMessage& aMessage,
const nsAString& aPortId,
mozilla::dom::MIDIPortType aDirection) {
if (MOZ_LOG_TEST(gWebMIDILog, mozilla::LogLevel::Debug)) {
if (MOZ_LOG_TEST(gWebMIDILog, mozilla::LogLevel::Verbose)) {
uint32_t byteCount = aMessage.data().Length();
nsAutoCString logMessage;
// Log long messages inline with the timestamp and the length, log
// longer messages a bit like xxd
logMessage.AppendPrintf(
"%s %s length=%u", NS_ConvertUTF16toUTF8(aPortId).get(),
aDirection == mozilla::dom::MIDIPortType::Input ? "->" : "<-",
byteCount);
if (byteCount <= 3) {
logMessage.AppendPrintf(" [");
// Regular messages
for (uint32_t i = 0; i < byteCount - 1; i++) {
logMessage.AppendPrintf("%x ", aMessage.data()[i]);
}
logMessage.AppendPrintf("%x]", aMessage.data()[byteCount - 1]);
} else {
// Longer messages
for (uint32_t i = 0; i < byteCount; i++) {
if (!(i % 8)) {
logMessage.AppendPrintf("\n%08u:\t", i);
}
logMessage.AppendPrintf("%x ", aMessage.data()[i]);
}
}
MOZ_LOG(gWebMIDILog, mozilla::LogLevel::Verbose,
("%s", logMessage.get()));
}
}
}
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