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Merge pull request #184 from mailwl/lm

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Service/lm: add support to multiline logs
This commit is contained in:
bunnei 2018-02-13 10:29:33 -05:00 committed by GitHub
commit 87c3c93464
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 49 additions and 20 deletions
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69
src/core/hle/service/lm/lm.cpp
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@ -2,6 +2,7 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <sstream>
#include <string>
#include "common/logging/log.h"
#include "core/hle/ipc_helpers.h"
@ -28,19 +29,28 @@ private:
IsHead = 1,
IsTail = 2,
};
enum Severity : u32_le {
Trace,
Info,
Warning,
Error,
Critical,
};
u64_le pid;
u64_le threadContext;
union {
BitField<0, 16, Flags> flags;
BitField<16, 8, u32_le> severity;
BitField<16, 8, Severity> severity;
BitField<24, 8, u32_le> verbosity;
};
u32_le payload_size;
/// Returns true if this is part of a single log message
bool IsSingleMessage() const {
return (flags & Flags::IsHead) && (flags & Flags::IsTail);
bool IsHeadLog() const {
return flags & Flags::IsHead;
}
bool IsTailLog() const {
return flags & Flags::IsTail;
}
};
static_assert(sizeof(MessageHeader) == 0x18, "MessageHeader is incorrect size");
@ -57,7 +67,7 @@ private:
};
/**
* LM::Initialize service function
* LM::Log service function
* Inputs:
* 0: 0x00000000
* Outputs:
@ -75,9 +85,9 @@ private:
Memory::ReadBlock(addr, &header, sizeof(MessageHeader));
addr += sizeof(MessageHeader);
if (!header.IsSingleMessage()) {
LOG_WARNING(Service_LM, "Multi message logs are unimplemeneted");
return;
if (header.IsHeadLog()) {
log_stream.str("");
log_stream.clear();
}
// Parse out log metadata
@ -85,7 +95,7 @@ private:
std::string message, filename, function;
while (addr < end_addr) {
const Field field{static_cast<Field>(Memory::Read8(addr++))};
size_t length{Memory::Read8(addr++)};
const size_t length{Memory::Read8(addr++)};
if (static_cast<Field>(Memory::Read8(addr)) == Field::Skip) {
++addr;
@ -110,28 +120,47 @@ private:
}
// Empty log - nothing to do here
if (message.empty()) {
if (log_stream.str().empty() && message.empty()) {
return;
}
// Format a nicely printable string out of the log metadata
std::string output;
if (filename.size()) {
output += filename + ':';
if (!filename.empty()) {
log_stream << filename << ':';
}
if (function.size()) {
output += function + ':';
if (!function.empty()) {
log_stream << function << ':';
}
if (line) {
output += std::to_string(line) + ':';
log_stream << std::to_string(line) << ':';
}
if (output.length() > 0 && output.back() == ':') {
output += ' ';
if (log_stream.str().length() > 0 && log_stream.str().back() == ':') {
log_stream << ' ';
}
output += message;
log_stream << message;
LOG_INFO(Debug_Emulated, "%s", output.c_str());
if (header.IsTailLog()) {
switch (header.severity) {
case MessageHeader::Severity::Trace:
LOG_TRACE(Debug_Emulated, "%s", log_stream.str().c_str());
break;
case MessageHeader::Severity::Info:
LOG_INFO(Debug_Emulated, "%s", log_stream.str().c_str());
break;
case MessageHeader::Severity::Warning:
LOG_WARNING(Debug_Emulated, "%s", log_stream.str().c_str());
break;
case MessageHeader::Severity::Error:
LOG_ERROR(Debug_Emulated, "%s", log_stream.str().c_str());
break;
case MessageHeader::Severity::Critical:
LOG_CRITICAL(Debug_Emulated, "%s", log_stream.str().c_str());
break;
}
}
}
std::ostringstream log_stream;
};
void InstallInterfaces(SM::ServiceManager& service_manager) {