JavaTraceTarget.cpp Source File (original) (raw)

00001 00002 00003 00004 00005 00006 00007 00008 00009 00010 00011 00012 00013 00014 00015 00016 00017 00018 00019 00020 00021 00022 00023 00024 #include "fennel/common/CommonPreamble.h" 00025 #include "fennel/farrago/JavaTraceTarget.h" 00026 00027 #include "boost/lexical_cast.hpp" 00028 00029 FENNEL_BEGIN_CPPFILE("$Id: //open/dev/fennel/farrago/JavaTraceTarget.cpp#17 $"); 00030 00031 #define JAVATRACETARGET_TYPE_STR ("JavaTraceTarget") 00032 00033 JavaTraceTarget::JavaTraceTarget() 00034 { 00035 JniEnvAutoRef pEnv; 00036 jclass classNativeTrace = pEnv->FindClass( 00037 "net/sf/farrago/util/NativeTrace"); 00038 00039 jmethodID methInstance = 00040 pEnv->GetStaticMethodID( 00041 classNativeTrace, "instance", 00042 "()Lnet/sf/farrago/util/NativeTrace;"); 00043 00044 jobject javaTraceInit = 00045 pEnv->CallStaticObjectMethod(classNativeTrace, methInstance); 00046 00047 JniUtil::incrementHandleCount(JAVATRACETARGET_TYPE_STR, this); 00048 javaTrace = pEnv->NewGlobalRef(javaTraceInit); 00049 00050
00051 assert(javaTrace); 00052 00053 methTrace = pEnv->GetMethodID( 00054 classNativeTrace,"trace", 00055 "(Ljava/lang/String;ILjava/lang/String;)V"); 00056 methGetSourceTraceLevel = pEnv->GetMethodID( 00057 classNativeTrace,"getSourceTraceLevel", 00058 "(Ljava/lang/String;)I"); 00059 } 00060 00061 JavaTraceTarget::JavaTraceTarget( 00062 jobject javaTraceInit, jmethodID methTraceInit, 00063 jmethodID methGetSourceTraceLevelInit) 00064 { 00065 JniEnvAutoRef pEnv; 00066 00067 JniUtil::incrementHandleCount(JAVATRACETARGET_TYPE_STR, this); 00068 javaTrace = pEnv->NewGlobalRef(javaTraceInit); 00069 00070
00071 assert(javaTrace); 00072 00073 methTrace = methTraceInit; 00074 methGetSourceTraceLevel = methGetSourceTraceLevelInit; 00075 } 00076 00077 JavaTraceTarget::~JavaTraceTarget() 00078 { 00079 JniEnvAutoRef pEnv; 00080 00081 pEnv->DeleteGlobalRef(javaTrace); 00082 JniUtil::decrementHandleCount(JAVATRACETARGET_TYPE_STR, this); 00083 00084 javaTrace = NULL; 00085 } 00086 00087 void JavaTraceTarget::notifyTrace( 00088 std::string source,TraceLevel level,std::string message) 00089 { 00090 JniEnvAutoRef pEnv; 00091 00092
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00094 00095 jstring javaSource = pEnv->NewStringUTF(source.c_str()); 00096 JniLocalRefReaper javaSourceReaper(pEnv, javaSource); 00097 jstring javaMessage = pEnv->NewStringUTF(message.c_str()); 00098 JniLocalRefReaper javaMessageReaper(pEnv, javaMessage); 00099 pEnv->CallVoidMethod(javaTrace,methTrace,javaSource,level,javaMessage); 00100 } 00101 00102 TraceLevel JavaTraceTarget::getSourceTraceLevel(std::string source) 00103 { 00104 JniEnvAutoRef pEnv; 00105 jstring javaSource = pEnv->NewStringUTF(source.c_str()); 00106 int level = pEnv->CallIntMethod( 00107 javaTrace,methGetSourceTraceLevel,javaSource); 00108 return static_cast(level); 00109 } 00110 00111 void JavaTraceTarget::beginSnapshot() 00112 { 00113 notifyTrace( 00114 "", TRACE_PERFCOUNTER_BEGIN_SNAPSHOT, ""); 00115 } 00116 00117 void JavaTraceTarget::endSnapshot() 00118 { 00119 notifyTrace( 00120 "", TRACE_PERFCOUNTER_END_SNAPSHOT, ""); 00121 } 00122 00123 void JavaTraceTarget::writeCounter(std::string name, int64_t value) 00124 { 00125 std::string s = boost::lexical_caststd::string(value); 00126 notifyTrace( 00127 name, TRACE_PERFCOUNTER_UPDATE, s); 00128 } 00129 00130 void JavaTraceTarget::onThreadStart() 00131 { 00132 JniEnvAutoRef pEnv; 00133
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00137 pEnv.suppressDetach(); 00138 } 00139 00140 void JavaTraceTarget::onThreadEnd() 00141 { 00142 JniUtil::detachJavaEnv(); 00143 } 00144 00145 FENNEL_END_CPPFILE("$Id: //open/dev/fennel/farrago/JavaTraceTarget.cpp#17 $"); 00146 00147