bool util_findFile(const char* dirs[], unsigned int numDirs,
const char* relativeFilePath, char* absoluteFilePath) {
bool found = false;
// check if it is an absolute file path
if (util_fileExists(relativeFilePath)) {
STRCPY(absoluteFilePath, relativeFilePath);
found = true;
}
unsigned int d;
for (d=0; d < numDirs && !found; ++d) {
// do the following: tmpPath = dirs[d] + sPS + relativeFilePath
char* tmpPath = util_allocStr(strlen(dirs[d]) + 1 + strlen(relativeFilePath));
//char tmpPath[strlen(dirs[d]) + 1 + strlen(relativeFilePath) + 1];
tmpPath[0]= '\0';
tmpPath = STRCAT(tmpPath, dirs[d]);
tmpPath = STRCAT(tmpPath, sPS);
tmpPath = STRCAT(tmpPath, relativeFilePath);
if (util_fileExists(tmpPath)) {
STRCPY(absoluteFilePath, tmpPath);
found = true;
}
free(tmpPath);
}
return found;
}
bool util_findDir(const char* dirs[], unsigned int numDirs,
const char* relativeDirPath, char* absoluteDirPath,
bool searchOnlyWriteable, bool create) {
bool found = false;
// check if it is an absolute file path
if (util_fileExists(relativeDirPath)) {
STRCPY(absoluteDirPath, relativeDirPath);
found = true;
}
if (searchOnlyWriteable && numDirs > 1) {
numDirs = 1;
}
unsigned int d;
for (d=0; d < numDirs && !found; ++d) {
// do the following: tmpPath = dirs[d] + sPS + relativeFilePath
char* tmpPath = util_allocStr(strlen(dirs[d]) + 1 + strlen(relativeDirPath));
//char tmpPath[strlen(dirs[d]) + 1 + strlen(relativeDirPath) + 1];
tmpPath[0]= '\0';
tmpPath = STRCAT(tmpPath, dirs[d]);
tmpPath = STRCAT(tmpPath, sPS);
tmpPath = STRCAT(tmpPath, relativeDirPath);
if (util_fileExists(tmpPath)) {
STRCPY(absoluteDirPath, tmpPath);
found = true;
}
free(tmpPath);
}
// not found -> create it
if (!found && create && numDirs >= 1) {
STRCAT(absoluteDirPath, dirs[0]);
STRCAT(absoluteDirPath, sPS);
STRCAT(absoluteDirPath, relativeDirPath);
found = util_makeDir(absoluteDirPath);
}
return found;
}
static bool java_createJavaVMInitArgs(struct JavaVMInitArgs* vm_args, const struct Properties* jvmProps) {
// ### evaluate JNI version to use ###
//jint jniVersion = JNI_VERSION_1_1;
//jint jniVersion = JNI_VERSION_1_2;
jint jniVersion = JNI_VERSION_1_4;
//jint jniVersion = JNI_VERSION_1_6;
if (jvmProps != NULL) {
const char* jniVersionFromCfg = java_getValueByKey(jvmProps,
"jvm.jni.version");
if (jniVersionFromCfg != NULL) {
unsigned long int jniVersion_tmp =
strtoul(jniVersionFromCfg, NULL, 16);
if (jniVersion_tmp != 0/* && jniVersion_tmp != ULONG_MAX*/) {
jniVersion = (jint) jniVersion_tmp;
}
}
}
simpleLog_logL(SIMPLELOG_LEVEL_FINE, "JVM: JNI version: %#x", jniVersion);
vm_args->version = jniVersion;
// ### check if debug related JVM options should be used ###
// if false, the JVM creation will fail if an
// unknown or invalid option was specified
bool useDebugOptions = true;
const char* useDebugOptionsStr = "auto";
if (jvmProps != NULL) {
const char* useDebugOptionsFromCfg =
util_map_getValueByKey(
jvmProps->size, jvmProps->keys, jvmProps->values,
"jvm.useDebugOptions");
if (useDebugOptionsFromCfg != NULL) {
useDebugOptionsStr = useDebugOptionsFromCfg;
}
}
{
if (strcmp(useDebugOptionsStr, "auto") == 0
|| strcmp(useDebugOptionsStr, "Auto") == 0
|| strcmp(useDebugOptionsStr, "AUTO") == 0
|| strcmp(useDebugOptionsStr, "a") == 0
|| strcmp(useDebugOptionsStr, "A") == 0)
{
// auto
#if defined DEBUG
useDebugOptions = true;
#else // defined DEBUG
useDebugOptions = false;
#endif // defined DEBUG
} else {
// true or false
useDebugOptions = util_strToBool(useDebugOptionsStr);
}
}
// ### check if unrecognized JVM options should be ignored ###
// if false, the JVM creation will fail if an
// unknown or invalid option was specified
bool ignoreUnrecognized = true;
if (jvmProps != NULL) {
const char* ignoreUnrecognizedFromCfg = java_getValueByKey(jvmProps,
"jvm.arguments.ignoreUnrecognized");
if (ignoreUnrecognizedFromCfg != NULL
&& !util_strToBool(ignoreUnrecognizedFromCfg)) {
ignoreUnrecognized = false;
}
}
if (ignoreUnrecognized) {
simpleLog_logL(SIMPLELOG_LEVEL_FINE,
"JVM: ignoring unrecognized options");
vm_args->ignoreUnrecognized = JNI_TRUE;
} else {
simpleLog_logL(SIMPLELOG_LEVEL_FINE,
"JVM: NOT ignoring unrecognized options");
vm_args->ignoreUnrecognized = JNI_FALSE;
}
// ### create the Java class-path option ###
// autogenerate the class path
static const size_t classPath_sizeMax = 8 * 1024;
char* classPath = util_allocStr(classPath_sizeMax);
// ..., autogenerate it ...
if (!java_createClassPath(classPath, classPath_sizeMax)) {
simpleLog_logL(SIMPLELOG_LEVEL_ERROR,
"Failed creating Java class-path.");
return false;
}
if (jvmProps != NULL) {
// ..., and append the part from the jvm options properties file,
// if it is specified there
const char* clsPathFromCfg = java_getValueByKey(jvmProps,
"jvm.option.java.class.path");
if (clsPathFromCfg != NULL) {
STRCATS(classPath, classPath_sizeMax, ENTRY_DELIM);
STRCATS(classPath, classPath_sizeMax, clsPathFromCfg);
}
}
// create the java.class.path option
static const size_t classPathOpt_sizeMax = 8 * 1024;
char* classPathOpt = util_allocStr(classPathOpt_sizeMax);
STRCPYS(classPathOpt, classPathOpt_sizeMax, "-Djava.class.path=");
STRCATS(classPathOpt, classPathOpt_sizeMax, classPath);
FREE(classPath);
// ### create the Java library-path option ###
// autogenerate the java library path
static const size_t libraryPath_sizeMax = 4 * 1024;
char* libraryPath = util_allocStr(libraryPath_sizeMax);
// ..., autogenerate it ...
if (!java_createNativeLibsPath(libraryPath, libraryPath_sizeMax)) {
simpleLog_logL(SIMPLELOG_LEVEL_ERROR,
"Failed creating Java library-path.");
return false;
}
if (jvmProps != NULL) {
// ..., and append the part from the jvm options properties file,
// if it is specified there
const char* libPathFromCfg = java_getValueByKey(jvmProps,
"jvm.option.java.library.path");
if (libPathFromCfg != NULL) {
STRCATS(libraryPath, libraryPath_sizeMax, ENTRY_DELIM);
STRCATS(libraryPath, libraryPath_sizeMax, libPathFromCfg);
}
}
// create the java.library.path option ...
// autogenerate it, and append the part from the jvm options file,
// if it is specified there
static const size_t libraryPathOpt_sizeMax = 4 * 1024;
char* libraryPathOpt = util_allocStr(libraryPathOpt_sizeMax);
STRCPYS(libraryPathOpt, libraryPathOpt_sizeMax, "-Djava.library.path=");
STRCATS(libraryPathOpt, libraryPathOpt_sizeMax, libraryPath);
FREE(libraryPath);
// ### create and set all JVM options ###
static const size_t strOptions_sizeMax = 64;
const char* strOptions[strOptions_sizeMax];
size_t op = 0;
strOptions[op++] = classPathOpt;
strOptions[op++] = libraryPathOpt;
static const char* const JCPVAL = "-Djava.class.path=";
const size_t JCPVAL_size = strlen(JCPVAL);
static const char* const JLPVAL = "-Djava.library.path=";
const size_t JLPVAL_size = strlen(JCPVAL);
if (jvmProps != NULL) {
// ### add string options from the JVM config file with property name "jvm.option.x" ###
int i;
for (i=0; i < jvmProps->size; ++i) {
if (strcmp(jvmProps->keys[i], "jvm.option.x") == 0 ||
(useDebugOptions && (strcmp(jvmProps->keys[i], "jvm.option.debug.x") == 0))) {
const char* const val = jvmProps->values[i];
const size_t val_size = strlen(val);
// ignore "-Djava.class.path=..."
// and "-Djava.library.path=..." options
if (strncmp(val, JCPVAL, minSize(val_size, JCPVAL_size)) != 0 &&
strncmp(val, JLPVAL, minSize(val_size, JLPVAL_size)) != 0) {
strOptions[op++] = val;
}
}
}
} else {
// ### ... or set default ones, if the JVM config file was not found ###
simpleLog_logL(SIMPLELOG_LEVEL_WARNING, "JVM: properties file ("JVM_PROPERTIES_FILE") not found; using default options.");
strOptions[op++] = "-Xms4M";
strOptions[op++] = "-Xmx64M";
strOptions[op++] = "-Xss512K";
strOptions[op++] = "-Xoss400K";
#if defined DEBUG
strOptions[op++] = "-Xcheck:jni";
strOptions[op++] = "-verbose:jni";
strOptions[op++] = "-XX:+UnlockDiagnosticVMOptions";
strOptions[op++] = "-XX:+LogVMOutput";
strOptions[op++] = "-Xdebug";
strOptions[op++] = "-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=7777";
// disable JIT (required for debugging under the classical VM)
strOptions[op++] = "-Djava.compiler=NONE";
// disable old JDB
strOptions[op++] = "-Xnoagent";
#endif // defined DEBUG
}
const size_t options_size = op;
vm_args->options = (struct JavaVMOption*) calloc(options_size, sizeof(struct JavaVMOption));
// fill strOptions into the JVM options
simpleLog_logL(SIMPLELOG_LEVEL_FINE, "JVM: options:", options_size);
char* dd_rw = callback->DataDirs_allocatePath(interfaceId,
"", true, true, true, false);
size_t i;
jint nOptions = 0;
for (i = 0; i < options_size; ++i) {
char* tmpOptionString = util_allocStrReplaceStr(strOptions[i],
"${home-dir}", dd_rw);
// do not add empty options
if (tmpOptionString != NULL) {
if (strlen(tmpOptionString) > 0) {
vm_args->options[nOptions].optionString = tmpOptionString;
vm_args->options[nOptions].extraInfo = NULL;
simpleLog_logL(SIMPLELOG_LEVEL_FINE, "JVM option %ul: %s", nOptions, tmpOptionString);
nOptions++;
} else {
free(tmpOptionString);
tmpOptionString = NULL;
}
}
}
vm_args->nOptions = nOptions;
FREE(dd_rw);
FREE(classPathOpt);
FREE(libraryPathOpt);
simpleLog_logL(SIMPLELOG_LEVEL_FINE, "");
return true;
}
