/*
* Copyright (C) 2010-2014 Laurent CLOUET
* Author Laurent CLOUET <laurent.clouet@nopnop.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; version 2
* of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package com.sheepit.client.os;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.List;
import java.util.Map;
import com.sheepit.client.Log;
import com.sheepit.client.hardware.cpu.CPU;
public class Mac extends OS {
private final String NICE_BINARY_PATH = "nice";
private Boolean hasNiceBinary;
public Mac() {
super();
this.hasNiceBinary = null;
}
public String name() {
return "mac";
}
@Override
public String getRenderBinaryPath() {
return "Blender" + File.separator + "blender.app" + File.separator + "Contents" + File.separator + "MacOS" + File.separator + "blender";
}
@Override
public CPU getCPU() {
CPU ret = new CPU();
String command = "sysctl machdep.cpu.family machdep.cpu.brand_string";
Process p = null;
BufferedReader input = null;
try {
String line;
p = Runtime.getRuntime().exec(command);
input = new BufferedReader(new InputStreamReader(p.getInputStream()));
while ((line = input.readLine()) != null) {
String option_cpu_family = "machdep.cpu.family:";
String option_model_name = "machdep.cpu.brand_string:";
if (line.startsWith(option_model_name)) {
ret.setName(line.substring(option_model_name.length()).trim());
}
if (line.startsWith(option_cpu_family)) {
ret.setFamily(line.substring(option_cpu_family.length()).trim());
}
}
input.close();
input = null;
}
catch (Exception err) {
System.out.println("exception " + err);
err.printStackTrace();
ret.setName("Unknown Mac name");
ret.setFamily("Unknown Mac family");
}
finally {
if (input != null) {
try {
input.close();
}
catch (IOException e) {
}
}
if (p != null) {
p.destroy();
}
}
ret.setModel("Unknown");
return ret;
}
@Override
public int getMemory() {
String command = "sysctl hw.memsize";
Process p = null;
BufferedReader input = null;
try {
String line;
p = Runtime.getRuntime().exec(command);
input = new BufferedReader(new InputStreamReader(p.getInputStream()));
while ((line = input.readLine()) != null) {
String option = "hw.memsize:";
if (line.startsWith(option)) {
String memory = line.substring(option.length()).trim(); // memory in bytes
return (int) (Long.parseLong(memory) / 1024);
}
}
input.close();
input = null;
}
catch (Exception err) {
System.out.println("exception " + err);
err.printStackTrace();
}
finally {
if (input != null) {
try {
input.close();
}
catch (IOException e) {
}
}
if (p != null) {
p.destroy();
}
}
return -1;
}
@Override
public Process exec(List<String> command, Map<String, String> env) throws IOException {
List<String> actual_command = command;
if (this.hasNiceBinary == null) {
this.checkNiceAvailability();
}
if (this.hasNiceBinary.booleanValue()) {
// launch the process in lowest priority
if (env != null) {
actual_command.add(0, env.get("PRIORITY"));
}
else {
actual_command.add(0, "19");
}
actual_command.add(0, "-n");
actual_command.add(0, NICE_BINARY_PATH);
}
else {
Log.getInstance(null).error("No low priority binary, will not launch renderer in normal priority");
}
ProcessBuilder builder = new ProcessBuilder(actual_command);
builder.redirectErrorStream(true);
if (env != null) {
builder.environment().putAll(env);
}
return builder.start();
}
@Override
public String getCUDALib() {
return "/usr/local/cuda/lib/libcuda.dylib";
}
protected void checkNiceAvailability() {
ProcessBuilder builder = new ProcessBuilder();
builder.command(NICE_BINARY_PATH);
builder.redirectErrorStream(true);
Process process = null;
try {
process = builder.start();
this.hasNiceBinary = true;
}
catch (IOException e) {
this.hasNiceBinary = false;
Log.getInstance(null).error("Failed to find low priority binary, will not launch renderer in normal priority (" + e + ")");
}
finally {
if (process != null) {
process.destroy();
}
}
}
}