mirror of https://github.com/BOINC/boinc.git
840 lines
25 KiB
C++
840 lines
25 KiB
C++
// Berkeley Open Infrastructure for Network Computing
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// http://boinc.berkeley.edu
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// Copyright (C) 2005 University of California
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//
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// This is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation;
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// either version 2.1 of the License, or (at your option) any later version.
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//
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// This software is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU Lesser General Public License for more details.
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//
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// To view the GNU Lesser General Public License visit
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// http://www.gnu.org/copyleft/lesser.html
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// or write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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//
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// mac_saver_module.cpp
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// BOINC_Saver_Module
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//
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#include <Carbon/Carbon.h>
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#include <stdio.h>
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#include <time.h>
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#include <sys/types.h>
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#include <sys/ipc.h>
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#include <sys/shm.h>
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#include <unistd.h>
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#include <limits.h>
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#include <sys/stat.h>
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#include <sys/param.h> // for MAXPATHLEN
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#include "gui_rpc_client.h"
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#include "common_defs.h"
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#include "util.h"
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#include "Mac_Saver_Module.h"
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#include "screensaver.h"
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//#include <drivers/event_status_driver.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef __cplusplus
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} // extern "C"
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#endif
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// The science application can't display its graphics if, due to Fast User Switching,
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// Switching, the active user is not the one who launched BOINC. If we always display
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// the progress information as scrolled text whenever a science application is running,
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// then the progress text would appear in this case. The text would be covered up by
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// the graphics if they are displayed.
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// But displaying the scrolled progress info takes up too much CPU time. We need to
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// find a way to determine when Fast User Switching prevents graphics display and
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// display scrolled progress text only in that case.
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// Of course, we also display scrolled progress text when the science application does
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// not support graphics).
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#define ALWAYS_DISPLAY_PROGRESS_TEXT 0
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// Flags for testing & debugging
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#define CREATE_LOG 1
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#ifdef __cplusplus
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extern "C" {
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#endif
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void print_to_log_file(const char *format, ...);
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#ifdef __cplusplus
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}
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void strip_cr(char *buf);
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#endif
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#define BANNER_GAP 30 /* Space between repeats of banner text */
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#define BANNERDELTA 2 /* Number of pixels to move banner each frame */
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#define BANNERFREQUENCY 90 /* Number of times per second to scroll banner */
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#define NOBANNERFREQUENCY 4 /* Times per second to call drawGraphics if no banner */
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#define STATUSUPDATEINTERVAL 5 /* seconds between status display updates */
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#define TASK_RUN_CHECK_PERIOD 5 /* Seconds between safety check that task is actually running */
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enum SaverState {
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SaverState_Idle,
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SaverState_LaunchingCoreClient,
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SaverState_CoreClientRunning,
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SaverState_RelaunchCoreClient,
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SaverState_ConnectedToCoreClient,
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SaverState_CantLaunchCoreClient,
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SaverState_ControlPanelTestMode,
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SaverState_UnrecoverableError
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};
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static CScreensaver* gspScreensaver = NULL;
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extern int gGoToBlank; // True if we are to blank the screen
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extern int gBlankingTime; // Delay in minutes before blanking the screen
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extern CFStringRef gPathToBundleResources;
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static SaverState saverState = SaverState_Idle;
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// int gQuitCounter = 0;
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RGBColor gBrandColor = {0xFFFF, 0xFFFF, 0xFFFF};
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RGBColor gTextColor = {0xFFFF, 0xFFFF, 0xFFFF};
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RGBColor gWhiteTextColor = {0xFFFF, 0xFFFF, 0xFFFF};
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RGBColor gOrangeTextColor = {0xFFFF, 0x6262, 0x0000};
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RGBColor gGrayTextColor = {0x9999, 0x9999, 0x9999};
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const char * CantLaunchCCMsg = "Unable to launch BOINC application.";
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const char * LaunchingCCMsg = "Launching BOINC application.";
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const char * ConnectingCCMsg = "Connecting to BOINC application.";
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const char * BOINCSuspendedMsg = "BOINC is currently suspended.";
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const char * BOINCNoAppsExecutingMsg = "BOINC is currently idle.";
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const char * BOINCNoProjectsDetectedMsg = "BOINC is not attached to any projects. Please attach to projects using the BOINC Manager.";
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const char * BOINCNoGraphicAppsExecutingMsg = "Project does not support screensaver graphics: ";
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const char * BOINCUnrecoverableErrorMsg = "Sorry, an unrecoverable error occurred";
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const char * BOINCTestmodeMsg = "BOINC screensaver is running, but cannot display graphics in test mode.";
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//const char * BOINCExitedSaverMode = "BOINC is no longer in screensaver mode.";
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// Returns desired Animation Frequency (per second) or 0 for no change
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int initBOINCSaver(Boolean ispreview) {
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if (ispreview)
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return 8;
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gspScreensaver = new CScreensaver();
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return gspScreensaver->Create();
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}
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int drawGraphics(GrafPtr aPort) {
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return gspScreensaver->drawGraphics(aPort);
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};
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void drawPreview(GrafPtr aPort) {
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gspScreensaver->drawPreview(aPort);
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};
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void closeBOINCSaver() {
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gspScreensaver->ShutdownSaver();
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}
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CScreensaver::CScreensaver() {
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m_dwBlankScreen = 0;
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m_dwBlankTime = 0;
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m_bErrorMode = false;
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m_hrError = 0;
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m_StatusMessageUpdated = false;
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// Display first status update after 5 seconds
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m_statusUpdateCounter = ((STATUSUPDATEINTERVAL-5) * BANNERFREQUENCY);
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saverState = SaverState_Idle;
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m_wasAlreadyRunning = false;
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m_CoreClientPID = nil;
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m_MsgBuf[0] = 0;
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setBannerText(0, NULL);
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m_BannerWidth = 0;
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m_CurrentBannerMessage = 0;
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m_QuitDataManagementProc = false;
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m_BrandText = "BOINC";
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m_updating_results = false;
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m_hDataManagementThread = NULL;
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m_hGraphicsApplication = NULL;
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m_bResetCoreState = TRUE;
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rpc = 0;
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}
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int CScreensaver::Create() {
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int newFrequency = 15;
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ProcessSerialNumber psn;
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ProcessInfoRec pInfo;
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OSStatus err;
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// Ugly workaround for a problem with the System Preferences app
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// For an unknown reason, when this screensaver is run using the
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// Test button in the System Prefs Screensaver control panel, the
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// control panel calls our stopAnimation function as soon as the
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// science application opens a GLUT window. This problem does not
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// occur when the screensaver is run normally (from the screensaver
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// engine.) So we just display a message and don't access the core
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// client.
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GetCurrentProcess(&psn);
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memset(&pInfo, 0, sizeof(pInfo));
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pInfo.processInfoLength = sizeof( ProcessInfoRec );
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pInfo.processName = NULL;
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err = GetProcessInformation(&psn, &pInfo);
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if ( (err == noErr) && (pInfo.processSignature == 'sprf') ) {
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saverState = SaverState_ControlPanelTestMode;
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}
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// If there are multiple displays, initBOINCSaver may get called
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// multiple times (once for each display), so we need to guard
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// against launching multiple instances of the core client
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if (saverState == SaverState_Idle) {
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// Calculate the estimated blank time by adding the starting
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// time and and the user-specified time which is in minutes
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m_dwBlankScreen = gGoToBlank;
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if (gGoToBlank)
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m_dwBlankTime = time(0) + (gBlankingTime * 60);
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else
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m_dwBlankTime = 0;
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CFStringGetCString(gPathToBundleResources, m_gfx_Switcher_Path, sizeof(m_gfx_Switcher_Path), kCFStringEncodingMacRoman);
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strlcat(m_gfx_Switcher_Path, "/gfx_switcher", sizeof(m_gfx_Switcher_Path));
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err = initBOINCApp();
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if (saverState == SaverState_LaunchingCoreClient)
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{
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SetError(FALSE, 0);
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m_QuitDataManagementProc = false;
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if (rpc == NULL)
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rpc = new RPC_CLIENT;
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newFrequency = NOBANNERFREQUENCY;
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}
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}
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return newFrequency;
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}
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OSStatus CScreensaver::initBOINCApp() {
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char boincPath[2048];
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pid_t myPid;
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int status;
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OSStatus err;
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static int retryCount = 0;
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long brandId = 0;
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saverState = SaverState_CantLaunchCoreClient;
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m_CoreClientPID = FindProcessPID("boinc", 0);
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if (m_CoreClientPID) {
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m_wasAlreadyRunning = true;
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saverState = SaverState_LaunchingCoreClient;
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return noErr;
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}
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m_wasAlreadyRunning = false;
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if (++retryCount > 3) // Limit to 3 relaunches to prevent thrashing
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return -1;
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brandId = GetBrandID();
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switch(brandId) {
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case 1:
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m_BrandText = "GridRepublic";
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gBrandColor = gOrangeTextColor; // Orange
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gTextColor = gGrayTextColor; // Gray
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break;
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default:
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m_BrandText = "BOINC";
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gBrandColor = gWhiteTextColor; // White
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gTextColor = gWhiteTextColor; // White
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break;
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}
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err = GetpathToBOINCManagerApp(boincPath, sizeof(boincPath));
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if (err) { // If we couldn't find BOINCManager.app, try default path
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strcpy(boincPath, "/Applications/");
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if (brandId)
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strcat(boincPath, m_BrandText);
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else
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strcat(boincPath, "BOINCManager");
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strcat(boincPath, ".app");
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}
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strcat(boincPath, "/Contents/Resources/boinc");
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if ( (myPid = fork()) < 0)
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return -1;
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else if (myPid == 0) // child
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{
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// We don't customize BOINC Data directory name for branding
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#if 0 // Code for separate data in each user's private directory
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char buf[256];
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strcpy(buf, getenv("HOME"));
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strcat(buf, "/Library/Application Support/BOINC Data");
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status = chdir(buf);
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#else // All users share the same data
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status = chdir("/Library/Application Support/BOINC Data");
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#endif
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if (status) {
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perror("chdir");
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fflush(NULL);
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_exit(status);
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}
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status = execl(boincPath, boincPath, "-redirectio", "-saver", (char *) 0);
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fflush(NULL);
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_exit(127); // execl error (execl should never return)
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} else {
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m_CoreClientPID = myPid; // make this available globally
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saverState = SaverState_LaunchingCoreClient;
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}
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return noErr;
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}
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// Returns new desired Animation Frequency (per second) or 0 for no change
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int CScreensaver::drawGraphics(GrafPtr aPort) {
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CGrafPtr savePort;
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GDHandle saveGDH;
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int newFrequency = 15;
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pid_t myPid;
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OSStatus err;
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ObscureCursor();
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m_statusUpdateCounter++;
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switch (saverState) {
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case SaverState_RelaunchCoreClient:
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err = initBOINCApp();
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break;
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case SaverState_LaunchingCoreClient:
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if (m_wasAlreadyRunning)
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setBannerText(ConnectingCCMsg, aPort);
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else
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setBannerText(LaunchingCCMsg, aPort);
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myPid = FindProcessPID(NULL, m_CoreClientPID);
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if (myPid) {
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saverState = SaverState_CoreClientRunning;
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rpc->init(NULL); // Initialize communications with Core Client
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// Set up a separate thread for communicating with Core Client
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CreateDataManagementThread();
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// ToDo: Add a timeout after which we display error message
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} else
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// Take care of the possible race condition where the Core Client was in the
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// process of shutting down just as ScreenSaver started, so initBOINCApp()
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// found it already running but now it has shut down.
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if (m_wasAlreadyRunning) // If we launched it, then just wait for it to start
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saverState = SaverState_RelaunchCoreClient;
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break;
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case SaverState_CoreClientRunning:
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// RPC called in DataManagementProc()
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setBannerText(ConnectingCCMsg, aPort);
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if (! m_bResetCoreState) {
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saverState = SaverState_ConnectedToCoreClient;
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}
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break;
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case SaverState_ConnectedToCoreClient:
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switch (m_hrError) {
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case 0:
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break; // No status response yet from DataManagementProc
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case SCRAPPERR_SCREENSAVERBLANKED:
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default:
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setBannerText(0, aPort); // No text message
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break;
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case SCRAPPERR_BOINCSUSPENDED:
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setBannerText(BOINCSuspendedMsg, aPort);
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break;
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case SCRAPPERR_BOINCNOAPPSEXECUTING:
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setBannerText(BOINCNoAppsExecutingMsg, aPort);
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break;
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case SCRAPPERR_BOINCNOPROJECTSDETECTED:
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setBannerText(BOINCNoProjectsDetectedMsg, aPort);
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break;
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case SCRAPPERR_SCREENSAVERRUNNING:
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#if ! ALWAYS_DISPLAY_PROGRESS_TEXT
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setBannerText(0, aPort); // No text message
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// Let the science app draw over our window
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break;
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#endif
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case SCRAPPERR_BOINCNOGRAPHICSAPPSEXECUTING:
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if (m_StatusMessageUpdated) {
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setBannerText(m_MsgBuf, aPort);
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updateBannerText(m_MsgBuf, aPort);
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m_StatusMessageUpdated = false;
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}
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break;
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#if 0
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case SCRAPPERR_QUITSCREENSAVERREQUESTED:
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// setBannerText(BOINCExitedSaverMode, aPort);
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// Wait 1 second to allow ScreenSaver engine to close us down
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if (++gQuitCounter > (bannerText[0] ? BANNERFREQUENCY : NOBANNERFREQUENCY)) {
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closeBOINCSaver();
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KillScreenSaver(); // Stop the ScreenSaver Engine
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}
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break;
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#endif
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} // end switch (m_hrError)
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break;
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case SaverState_ControlPanelTestMode:
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setBannerText(BOINCTestmodeMsg, aPort);
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break;
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case SaverState_UnrecoverableError:
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setBannerText(BOINCUnrecoverableErrorMsg, aPort);
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break;
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case SaverState_CantLaunchCoreClient:
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setBannerText(CantLaunchCCMsg, aPort);
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break;
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case SaverState_Idle:
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break; // Should never get here; fixes compiler warning
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} // end switch (saverState)
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if (m_BannerText[0]) {
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GetGWorld(&savePort, &saveGDH);
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SetPort(aPort);
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drawBanner(aPort);
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SetGWorld(savePort, saveGDH);
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newFrequency = BANNERFREQUENCY;
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} else
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newFrequency = NOBANNERFREQUENCY;
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return newFrequency;
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}
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void CScreensaver::drawPreview(GrafPtr aPort) {
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SetPort(aPort);
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setBannerText(" BOINC", aPort);
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drawBanner(aPort);
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}
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// If there are multiple displays, closeBOINCSaver may get called
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// multiple times (once for each display), so we need to guard
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// against any problems that may cause.
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void CScreensaver::ShutdownSaver() {
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DestroyDataManagementThread();
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if (rpc) {
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#if 0 // OS X calls closeBOINCSaver() when energy saver puts display
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// to sleep, but we want to keep crunching. So don't kill it.
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// Code in core client now quits on user activity if screen
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// saver launched it (2/28/07).
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// Also, under sandbox security, screensaver doesn't have access
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// to rpc password in gui_rpc_auth.cfg file, so core client won't
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// accept rpc->quit from screensaver.
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if (m_CoreClientPID && (!m_wasAlreadyRunning)) {
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rpc->quit(); // Kill core client if we launched it
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}
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#endif
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delete rpc;
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rpc = NULL;
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}
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setBannerText(0, NULL);
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m_CoreClientPID = 0;
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// gQuitCounter = 0;
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m_wasAlreadyRunning = false;
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m_QuitDataManagementProc = false;
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saverState = SaverState_Idle;
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}
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// This function forwards to DataManagementProc, which has access to the
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// "this" pointer.
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//
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void * CScreensaver::DataManagementProcStub(void* param) {
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return gspScreensaver->DataManagementProc();
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}
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void CScreensaver::HandleRPCError() {
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// Attempt to restart BOINC Client if needed, reinitialize the RPC client and state
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rpc->close();
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// There is a possible race condition where the Core Client was in the
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// process of shutting down just as ScreenSaver started, so initBOINCApp()
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// found it already running but now it has shut down. This code takes
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// care of that and other situations where the Core Client quits unexpectedy.
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if (FindProcessPID("boinc", 0) == 0) {
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saverState = SaverState_RelaunchCoreClient;
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m_bResetCoreState = true;
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}
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rpc->init(NULL); // Otherwise just reinitialize the RPC client and state and keep trying
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// Error message after timeout?
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}
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bool CScreensaver::CreateDataManagementThread() {
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int retval;
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if (m_hDataManagementThread == NULL) {
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retval = pthread_create(&m_hDataManagementThread, NULL, DataManagementProcStub, 0);
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if (retval) {
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saverState = SaverState_UnrecoverableError;
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return false;
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}
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}
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return true;
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}
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bool CScreensaver::DestroyDataManagementThread() {
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m_QuitDataManagementProc = true; // Tell DataManagementProc thread to exit
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if (m_hDataManagementThread) { // Wait for DataManagementProc thread to exit
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pthread_join(m_hDataManagementThread, NULL);
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m_hDataManagementThread = NULL;
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}
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return true;
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}
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|
|
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bool CScreensaver::SetError(bool bErrorMode, unsigned int hrError) {
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|
m_bErrorMode = bErrorMode;
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|
m_hrError = hrError;
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if ((hrError == SCRAPPERR_BOINCNOGRAPHICSAPPSEXECUTING)
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#if ALWAYS_DISPLAY_PROGRESS_TEXT
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|| (hrError == SCRAPPERR_SCREENSAVERRUNNING)
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|
#endif
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|
)
|
|
{
|
|
UpdateProgressText();
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|
}
|
|
return true;
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|
}
|
|
|
|
void CScreensaver::UpdateProgressText() {
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|
int iResultCount;
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|
int iIndex;
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|
unsigned int len;
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RESULT* theResult;
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PROJECT* pProject;
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char statusBuf[256];
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double percent_done;
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|
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if ( (m_statusUpdateCounter >= (STATUSUPDATEINTERVAL * BANNERFREQUENCY) ) && !m_updating_results ) {
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if (! m_StatusMessageUpdated) {
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m_statusUpdateCounter = 0;
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strcpy(m_MsgBuf, BOINCNoGraphicAppsExecutingMsg);
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iResultCount = results.results.size();
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|
theResult = NULL;
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|
for (iIndex = 0; iIndex < iResultCount; iIndex++) {
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theResult = results.results.at(iIndex);
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|
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// The get_state rpc is time-consuming, so we assume the list of
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|
// attached projects does not change while the screensaver is active.
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|
pProject = state.lookup_project(theResult->project_url);
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|
if (pProject != NULL) {
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percent_done = theResult->fraction_done * 100;
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|
if (percent_done < 0.01)
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len = sprintf(statusBuf, (" %s"), pProject->project_name.c_str());
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|
else // Display percent_done only after we have a valid value
|
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len = sprintf(statusBuf, (" %s: %.2f%%"),
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pProject->project_name.c_str(), percent_done);
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strlcat(m_MsgBuf, statusBuf, sizeof(m_MsgBuf));
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|
} else { // (pProject == NULL): re-synch with client
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HandleRPCError();
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|
return;
|
|
}
|
|
} // end for() loop
|
|
m_StatusMessageUpdated = true;
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|
} // end if (! m_StatusMessageUpdated)
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|
} // end if (m_statusUpdateCounter > time to update)
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|
}
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|
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void CScreensaver::setBannerText(const char * msg, GrafPtr aPort) {
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|
if (msg == 0)
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|
m_BannerText[0] = 0;
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if ((char *)m_CurrentBannerMessage != msg)
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|
updateBannerText((char *)msg, aPort);
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|
}
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|
|
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void CScreensaver::updateBannerText(char *msg, GrafPtr aPort) {
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|
CGrafPtr savePort;
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RGBColor saveBackColor;
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|
Rect wRect;
|
|
char *p, *s;
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|
|
m_CurrentBannerMessage = (StringPtr)msg;
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|
|
|
if (aPort == NULL)
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|
return;
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|
|
GetPort(&savePort);
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|
SetPort(aPort);
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|
|
|
GetPortBounds(aPort, &wRect);
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|
|
|
GetBackColor(&saveBackColor);
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|
BackColor ( blackColor );
|
|
EraseRect(&wRect);
|
|
RGBBackColor(&saveBackColor);
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|
|
|
if (msg) {
|
|
TextSize(24);
|
|
TextFace(bold);
|
|
s = msg;
|
|
m_BannerText[0] = '\0';
|
|
do {
|
|
p = strstr(s, "BOINC");
|
|
if (p == NULL) {
|
|
strcat(m_BannerText, s);
|
|
} else {
|
|
strncat(m_BannerText, s, p - s);
|
|
strcat(m_BannerText, m_BrandText);
|
|
s = p + 5; // s = p + strlen("BOINC");
|
|
}
|
|
} while (p);
|
|
|
|
m_BannerWidth = TextWidth(m_BannerText, 0, strlen(m_BannerText)) + BANNER_GAP;
|
|
// Round up m_BannerWidth to an integral multiple of BANNERDELTA
|
|
m_BannerWidth = ((m_BannerWidth + BANNERDELTA - 1) / BANNERDELTA) * BANNERDELTA;
|
|
}
|
|
|
|
SetPort(savePort);
|
|
}
|
|
|
|
|
|
void CScreensaver::drawBanner(GrafPtr aPort) {
|
|
CGrafPtr savePort;
|
|
GDHandle saveGDH;
|
|
RGBColor saveForeColor, saveBackColor;
|
|
short x, y;
|
|
Rect wRect;
|
|
FontInfo fInfo;
|
|
static short bannerPos;
|
|
char *p, *s;
|
|
|
|
if (aPort == NULL)
|
|
return;
|
|
|
|
GetGWorld(&savePort, &saveGDH);
|
|
SetPort(aPort);
|
|
|
|
GetForeColor(&saveForeColor);
|
|
GetBackColor(&saveBackColor);
|
|
RGBForeColor(&gTextColor);
|
|
BackColor(blackColor);
|
|
GetPortBounds(aPort, &wRect);
|
|
if ( (bannerPos + m_BannerWidth) <= (wRect.left + BANNERDELTA) )
|
|
bannerPos = wRect.left;
|
|
else
|
|
bannerPos -= BANNERDELTA;
|
|
|
|
x = bannerPos;
|
|
y = (wRect.bottom - wRect.top) / 3 + wRect.top;
|
|
|
|
GetFontInfo(&fInfo);
|
|
wRect.top = y - fInfo.ascent;
|
|
wRect.bottom = y + fInfo.descent;
|
|
EraseRect(&wRect);
|
|
|
|
do {
|
|
MoveTo(x, y);
|
|
s = m_BannerText;
|
|
do {
|
|
p = strstr(s, m_BrandText);
|
|
if (p == NULL) {
|
|
DrawText(s, 0, strlen(s));
|
|
} else {
|
|
DrawText(s, 0, p - s);
|
|
RGBForeColor(&gBrandColor);
|
|
DrawText(m_BrandText, 0, strlen(m_BrandText));
|
|
s = p + strlen(m_BrandText);
|
|
RGBForeColor(&gTextColor);
|
|
}
|
|
} while (p);
|
|
|
|
x+= m_BannerWidth;
|
|
} while (x < wRect.right);
|
|
|
|
RGBForeColor(&saveForeColor);
|
|
RGBBackColor(&saveBackColor);
|
|
|
|
SetGWorld(savePort, saveGDH);
|
|
}
|
|
|
|
|
|
int CScreensaver::GetBrandID()
|
|
{
|
|
char buf[1024];
|
|
long iBrandId;
|
|
OSErr err;
|
|
|
|
iBrandId = 0; // Default value
|
|
|
|
err = GetpathToBOINCManagerApp(buf, sizeof(buf));
|
|
if (err) {
|
|
// If we couldn't find our application bundle, look in BOINC Data Directory
|
|
// (the installer put a copy there for us)
|
|
strcpy(buf, "/Library/Application Support/BOINC Data/Branding");
|
|
} else
|
|
strcat(buf, "/Contents/Resources/Branding");
|
|
|
|
FILE *f = fopen(buf, "r");
|
|
if (f) {
|
|
fscanf(f, "BrandId=%ld\n", &iBrandId);
|
|
fclose(f);
|
|
}
|
|
|
|
return iBrandId;
|
|
}
|
|
|
|
|
|
char * CScreensaver::PersistentFGets(char *buf, size_t buflen, FILE *f) {
|
|
char *p = buf;
|
|
size_t len = buflen;
|
|
size_t datalen = 0;
|
|
|
|
*buf = '\0';
|
|
while (datalen < (buflen - 1)) {
|
|
fgets(p, len, f);
|
|
if (feof(f)) break;
|
|
if (ferror(f) && (errno != EINTR)) break;
|
|
if (strchr(buf, '\n')) break;
|
|
datalen = strlen(buf);
|
|
p = buf + datalen;
|
|
len -= datalen;
|
|
}
|
|
return (buf[0] ? buf : NULL);
|
|
}
|
|
|
|
|
|
pid_t CScreensaver::FindProcessPID(char* name, pid_t thePID)
|
|
{
|
|
FILE *f;
|
|
char buf[1024];
|
|
size_t n = 0;
|
|
pid_t aPID;
|
|
|
|
if (name != NULL) // Search ny name
|
|
n = strlen(name);
|
|
|
|
f = popen("ps -a -x -c -o command,pid", "r");
|
|
if (f == NULL)
|
|
return 0;
|
|
|
|
while (PersistentFGets(buf, sizeof(buf), f))
|
|
{
|
|
if (name != NULL) { // Search ny name
|
|
if (strncmp(buf, name, n) == 0)
|
|
{
|
|
aPID = atol(buf+16);
|
|
pclose(f);
|
|
return aPID;
|
|
}
|
|
} else { // Search by PID
|
|
aPID = atol(buf+16);
|
|
if (aPID == thePID) {
|
|
pclose(f);
|
|
return aPID;
|
|
}
|
|
}
|
|
}
|
|
pclose(f);
|
|
return 0;
|
|
}
|
|
|
|
|
|
OSErr CScreensaver::GetpathToBOINCManagerApp(char* path, int maxLen)
|
|
{
|
|
CFStringRef bundleID = CFSTR("edu.berkeley.boinc");
|
|
OSType creator = 'BNC!';
|
|
FSRef theFSRef;
|
|
OSStatus status = noErr;
|
|
|
|
status = LSFindApplicationForInfo(creator, bundleID, NULL, &theFSRef, NULL);
|
|
if (status == noErr)
|
|
status = FSRefMakePath(&theFSRef, (unsigned char *)path, maxLen);
|
|
return status;
|
|
}
|
|
|
|
|
|
// Send a Quit AppleEvent to the process which called this module
|
|
// (i.e., tell the ScreenSaver engine to quit)
|
|
OSErr CScreensaver::KillScreenSaver() {
|
|
ProcessSerialNumber thisPSN;
|
|
pid_t thisPID;
|
|
OSErr err = noErr;
|
|
|
|
GetCurrentProcess(&thisPSN);
|
|
err = GetProcessPID(&thisPSN , &thisPID);
|
|
if (err == noErr)
|
|
err = kill(thisPID, SIGABRT); // SIGINT
|
|
return err;
|
|
}
|
|
|
|
|
|
void CScreensaver::print_to_log_file(const char *format, ...) {
|
|
#if CREATE_LOG
|
|
FILE *f;
|
|
va_list args;
|
|
char buf[256];
|
|
time_t t;
|
|
strcpy(buf, getenv("HOME"));
|
|
strcat(buf, "/Documents/test_log.txt");
|
|
f = fopen(buf, "a");
|
|
if (!f) return;
|
|
|
|
// freopen(buf, "a", stdout);
|
|
// freopen(buf, "a", stderr);
|
|
|
|
time(&t);
|
|
strcpy(buf, asctime(localtime(&t)));
|
|
strip_cr(buf);
|
|
|
|
fputs(buf, f);
|
|
fputs(" ", f);
|
|
|
|
va_start(args, format);
|
|
vfprintf(f, format, args);
|
|
va_end(args);
|
|
|
|
fputs("\n", f);
|
|
fflush(f);
|
|
fclose(f);
|
|
#endif
|
|
}
|
|
|
|
#if CREATE_LOG
|
|
void CScreensaver::strip_cr(char *buf)
|
|
{
|
|
char *theCR;
|
|
|
|
theCR = strrchr(buf, '\n');
|
|
if (theCR)
|
|
*theCR = '\0';
|
|
theCR = strrchr(buf, '\r');
|
|
if (theCR)
|
|
*theCR = '\0';
|
|
}
|
|
#endif // CREATE_LOG
|
|
const char *BOINC_RCSID_7ce0778d35="$Id$";
|