| /* |
| * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #include "precompiled.hpp" |
| #include "memory/allocation.inline.hpp" |
| #include "memory/resourceArea.hpp" |
| #include "runtime/thread.hpp" |
| #include "services/diagnosticArgument.hpp" |
| |
| void GenDCmdArgument::read_value(const char* str, size_t len, TRAPS) { |
| /* NOTE:Some argument types doesn't require a value, |
| * for instance boolean arguments: "enableFeatureX". is |
| * equivalent to "enableFeatureX=true". In these cases, |
| * str will be null. This is perfectly valid. |
| * All argument types must perform null checks on str. |
| */ |
| |
| if (is_set() && !allow_multiple()) { |
| THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), |
| "Duplicates in diagnostic command arguments\n"); |
| } |
| parse_value(str, len, CHECK); |
| set_is_set(true); |
| } |
| |
| void GenDCmdArgument::to_string(jlong l, char* buf, size_t len) { |
| jio_snprintf(buf, len, INT64_FORMAT, l); |
| } |
| |
| void GenDCmdArgument::to_string(bool b, char* buf, size_t len) { |
| jio_snprintf(buf, len, b ? "true" : "false"); |
| } |
| |
| void GenDCmdArgument::to_string(NanoTimeArgument n, char* buf, size_t len) { |
| jio_snprintf(buf, len, INT64_FORMAT, n._nanotime); |
| } |
| |
| void GenDCmdArgument::to_string(MemorySizeArgument m, char* buf, size_t len) { |
| jio_snprintf(buf, len, INT64_FORMAT, m._size); |
| } |
| |
| void GenDCmdArgument::to_string(char* c, char* buf, size_t len) { |
| jio_snprintf(buf, len, "%s", c); |
| } |
| |
| void GenDCmdArgument::to_string(StringArrayArgument* f, char* buf, size_t len) { |
| int length = f->array()->length(); |
| size_t written = 0; |
| buf[0] = 0; |
| for (int i = 0; i < length; i++) { |
| char* next_str = f->array()->at(i); |
| size_t next_size = strlen(next_str); |
| //Check if there's room left to write next element |
| if (written + next_size > len) { |
| return; |
| } |
| //Actually write element |
| strcat(buf, next_str); |
| written += next_size; |
| //Check if there's room left for the comma |
| if (i < length-1 && len - written > 0) { |
| strcat(buf, ","); |
| } |
| } |
| } |
| |
| template <> void DCmdArgument<jlong>::parse_value(const char* str, |
| size_t len, TRAPS) { |
| int scanned = -1; |
| if (str == NULL |
| || sscanf(str, JLONG_FORMAT"%n", &_value, &scanned) != 1 |
| || (size_t)scanned != len) |
| { |
| ResourceMark rm; |
| |
| char* buf = NEW_RESOURCE_ARRAY(char, len + 1); |
| strncpy(buf, str, len); |
| buf[len] = '\0'; |
| Exceptions::fthrow(THREAD_AND_LOCATION, vmSymbols::java_lang_IllegalArgumentException(), |
| "Integer parsing error in command argument '%s'. Could not parse: %s.", _name, buf); |
| } |
| } |
| |
| template <> void DCmdArgument<jlong>::init_value(TRAPS) { |
| if (has_default()) { |
| this->parse_value(_default_string, strlen(_default_string), THREAD); |
| if (HAS_PENDING_EXCEPTION) { |
| fatal("Default string must be parseable"); |
| } |
| } else { |
| set_value(0); |
| } |
| } |
| |
| template <> void DCmdArgument<jlong>::destroy_value() { } |
| |
| template <> void DCmdArgument<bool>::parse_value(const char* str, |
| size_t len, TRAPS) { |
| // len is the length of the current token starting at str |
| if (len == 0) { |
| set_value(true); |
| } else { |
| if (len == strlen("true") && strncasecmp(str, "true", len) == 0) { |
| set_value(true); |
| } else if (len == strlen("false") && strncasecmp(str, "false", len) == 0) { |
| set_value(false); |
| } else { |
| ResourceMark rm; |
| |
| char* buf = NEW_RESOURCE_ARRAY(char, len + 1); |
| strncpy(buf, str, len); |
| buf[len] = '\0'; |
| Exceptions::fthrow(THREAD_AND_LOCATION, vmSymbols::java_lang_IllegalArgumentException(), |
| "Boolean parsing error in command argument '%s'. Could not parse: %s.", _name, buf); |
| } |
| } |
| } |
| |
| template <> void DCmdArgument<bool>::init_value(TRAPS) { |
| if (has_default()) { |
| this->parse_value(_default_string, strlen(_default_string), THREAD); |
| if (HAS_PENDING_EXCEPTION) { |
| fatal("Default string must be parsable"); |
| } |
| } else { |
| set_value(false); |
| } |
| } |
| |
| template <> void DCmdArgument<bool>::destroy_value() { } |
| |
| template <> void DCmdArgument<char*>::parse_value(const char* str, |
| size_t len, TRAPS) { |
| if (str == NULL) { |
| _value = NULL; |
| } else { |
| _value = NEW_C_HEAP_ARRAY(char, len+1, mtInternal); |
| strncpy(_value, str, len); |
| _value[len] = 0; |
| } |
| } |
| |
| template <> void DCmdArgument<char*>::init_value(TRAPS) { |
| if (has_default() && _default_string != NULL) { |
| this->parse_value(_default_string, strlen(_default_string), THREAD); |
| if (HAS_PENDING_EXCEPTION) { |
| fatal("Default string must be parsable"); |
| } |
| } else { |
| set_value(NULL); |
| } |
| } |
| |
| template <> void DCmdArgument<char*>::destroy_value() { |
| if (_value != NULL) { |
| FREE_C_HEAP_ARRAY(char, _value, mtInternal); |
| set_value(NULL); |
| } |
| } |
| |
| template <> void DCmdArgument<NanoTimeArgument>::parse_value(const char* str, |
| size_t len, TRAPS) { |
| if (str == NULL) { |
| THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), |
| "Integer parsing error nanotime value: syntax error, value is null"); |
| } |
| |
| int argc = sscanf(str, JLONG_FORMAT, &_value._time); |
| if (argc != 1) { |
| THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), |
| "Integer parsing error nanotime value: syntax error"); |
| } |
| size_t idx = 0; |
| while(idx < len && isdigit(str[idx])) { |
| idx++; |
| } |
| if (idx == len) { |
| // only accept missing unit if the value is 0 |
| if (_value._time != 0) { |
| THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), |
| "Integer parsing error nanotime value: unit required"); |
| } else { |
| _value._nanotime = 0; |
| strcpy(_value._unit, "ns"); |
| return; |
| } |
| } else if(len - idx > 2) { |
| THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), |
| "Integer parsing error nanotime value: illegal unit"); |
| } else { |
| strncpy(_value._unit, &str[idx], len - idx); |
| /*Write an extra null termination. This is safe because _value._unit |
| * is declared as char[3], and length is checked to be not larger than |
| * two above. Also, this is necessary, since length might be 1, and the |
| * default value already in the string is ns, which is two chars. |
| */ |
| _value._unit[len-idx] = '\0'; |
| } |
| |
| if (strcmp(_value._unit, "ns") == 0) { |
| _value._nanotime = _value._time; |
| } else if (strcmp(_value._unit, "us") == 0) { |
| _value._nanotime = _value._time * 1000; |
| } else if (strcmp(_value._unit, "ms") == 0) { |
| _value._nanotime = _value._time * 1000 * 1000; |
| } else if (strcmp(_value._unit, "s") == 0) { |
| _value._nanotime = _value._time * 1000 * 1000 * 1000; |
| } else if (strcmp(_value._unit, "m") == 0) { |
| _value._nanotime = _value._time * 60 * 1000 * 1000 * 1000; |
| } else if (strcmp(_value._unit, "h") == 0) { |
| _value._nanotime = _value._time * 60 * 60 * 1000 * 1000 * 1000; |
| } else if (strcmp(_value._unit, "d") == 0) { |
| _value._nanotime = _value._time * 24 * 60 * 60 * 1000 * 1000 * 1000; |
| } else { |
| THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), |
| "Integer parsing error nanotime value: illegal unit"); |
| } |
| } |
| |
| template <> void DCmdArgument<NanoTimeArgument>::init_value(TRAPS) { |
| if (has_default()) { |
| this->parse_value(_default_string, strlen(_default_string), THREAD); |
| if (HAS_PENDING_EXCEPTION) { |
| fatal("Default string must be parsable"); |
| } |
| } else { |
| _value._time = 0; |
| _value._nanotime = 0; |
| strcmp(_value._unit, "ns"); |
| } |
| } |
| |
| template <> void DCmdArgument<NanoTimeArgument>::destroy_value() { } |
| |
| // WARNING StringArrayArgument can only be used as an option, it cannot be |
| // used as an argument with the DCmdParser |
| |
| template <> void DCmdArgument<StringArrayArgument*>::parse_value(const char* str, |
| size_t len, TRAPS) { |
| _value->add(str,len); |
| } |
| |
| template <> void DCmdArgument<StringArrayArgument*>::init_value(TRAPS) { |
| _value = new StringArrayArgument(); |
| _allow_multiple = true; |
| if (has_default()) { |
| fatal("StringArrayArgument cannot have default value"); |
| } |
| } |
| |
| template <> void DCmdArgument<StringArrayArgument*>::destroy_value() { |
| if (_value != NULL) { |
| delete _value; |
| set_value(NULL); |
| } |
| } |
| |
| template <> void DCmdArgument<MemorySizeArgument>::parse_value(const char* str, |
| size_t len, TRAPS) { |
| if (str == NULL) { |
| THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), |
| "Integer parsing error nanotime value: syntax error"); |
| } |
| |
| if (*str == '-') { |
| THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), |
| "Parsing error memory size value: negative values not allowed"); |
| } |
| int res = sscanf(str, UINT64_FORMAT "%c", &_value._val, &_value._multiplier); |
| if (res == 2) { |
| switch (_value._multiplier) { |
| case 'k': case 'K': |
| _value._size = _value._val * 1024; |
| break; |
| case 'm': case 'M': |
| _value._size = _value._val * 1024 * 1024; |
| break; |
| case 'g': case 'G': |
| _value._size = _value._val * 1024 * 1024 * 1024; |
| break; |
| default: |
| _value._size = _value._val; |
| _value._multiplier = ' '; |
| //default case should be to break with no error, since user |
| //can write size in bytes, or might have a delimiter and next arg |
| break; |
| } |
| } else if (res == 1) { |
| _value._size = _value._val; |
| } else { |
| THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), |
| "Parsing error memory size value: invalid value"); |
| } |
| } |
| |
| template <> void DCmdArgument<MemorySizeArgument>::init_value(TRAPS) { |
| if (has_default()) { |
| this->parse_value(_default_string, strlen(_default_string), THREAD); |
| if (HAS_PENDING_EXCEPTION) { |
| fatal("Default string must be parsable"); |
| } |
| } else { |
| _value._size = 0; |
| _value._val = 0; |
| _value._multiplier = ' '; |
| } |
| } |
| |
| template <> void DCmdArgument<MemorySizeArgument>::destroy_value() { } |