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Reduce Beast public interface and eliminate unused code:

Browse Source 
Beast includes a lot of code for encapsulating cross-platform differences
which are not used or needed by rippled. Additionally, a lot of that code
implements functionality that is available from the standard library.

This moves away from custom implementations of features that the standard
library provides and reduces the number of platform-specific interfaces
andfeatures that Beast makes available.

Highlights include:
* Use std:: instead of beast implementations when possible
* Reduce the use of beast::String in public interfaces
* Remove Windows-specific COM and Registry code
* Reduce the public interface of beast::File
* Reduce the public interface of beast::SystemStats
* Remove unused sysctl/getsysinfo functions
* Remove beast::Logger
This commit is contained in:
Nik Bougalis
2014-10-13 14:20:54 -07:00
committed by Vinnie Falco
parent fefdb32d08
commit 186ca9c235
82 changed files with 361 additions and 7762 deletions
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104
beast/module/core/native/linux_SystemStats.cpp
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@@ -24,108 +24,19 @@
namespace beast
{
void Logger::outputDebugString (const String& text)
void outputDebugString (std::string const& text)
{
std::cerr << text << std::endl;
}
//==============================================================================
SystemStats::OperatingSystemType SystemStats::getOperatingSystemType()
{
return Linux;
}
String SystemStats::getOperatingSystemName()
{
return "Linux";
}
bool SystemStats::isOperatingSystem64Bit()
{
#if BEAST_64BIT
return true;
#else
//xxx not sure how to find this out?..
return false;
#endif
}
//==============================================================================
namespace LinuxStatsHelpers
{
String getCpuInfo (const char* const key)
{
StringArray lines;
File ("/proc/cpuinfo").readLines (lines);
for (int i = lines.size(); --i >= 0;) // (NB - it's important that this runs in reverse order)
if (lines[i].startsWithIgnoreCase (key))
return lines[i].fromFirstOccurrenceOf (":", false, false).trim();
return String::empty;
}
}
String SystemStats::getCpuVendor()
{
return LinuxStatsHelpers::getCpuInfo ("vendor_id");
}
int SystemStats::getCpuSpeedInMegaherz()
{
return roundToInt (LinuxStatsHelpers::getCpuInfo ("cpu MHz").getFloatValue());
}
int SystemStats::getMemorySizeInMegabytes()
{
struct sysinfo sysi;
if (sysinfo (&sysi) == 0)
return sysi.totalram * sysi.mem_unit / (1024 * 1024);
return 0;
}
int SystemStats::getPageSize()
{
return sysconf (_SC_PAGESIZE);
}
//==============================================================================
String SystemStats::getLogonName()
{
const char* user = getenv ("USER");
if (user == nullptr)
if (passwd* const pw = getpwuid (getuid()))
user = pw->pw_name;
return CharPointer_UTF8 (user);
}
String SystemStats::getFullUserName()
{
return getLogonName();
}
String SystemStats::getComputerName()
std::string SystemStats::getComputerName()
{
char name [256] = { 0 };
if (gethostname (name, sizeof (name) - 1) == 0)
return name;
return String::empty;
}
//==============================================================================
void CPUInformation::initialise() noexcept
{
const String flags (LinuxStatsHelpers::getCpuInfo ("flags"));
hasMMX = flags.contains ("mmx");
hasSSE = flags.contains ("sse");
hasSSE2 = flags.contains ("sse2");
hasSSE3 = flags.contains ("sse3");
has3DNow = flags.contains ("3dnow");
return std::string{};
}
//==============================================================================
@@ -155,13 +66,4 @@ double Time::getMillisecondCounterHiRes() noexcept
return getHighResolutionTicks() * 0.001;
}
bool Time::setSystemTimeToThisTime() const
{
timeval t;
t.tv_sec = millisSinceEpoch / 1000;
t.tv_usec = (millisSinceEpoch - t.tv_sec * 1000) * 1000;
return settimeofday (&t, 0) == 0;
}
} // beast