1 /*

     2  * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 

    26 #ifndef JAVAVIRTUALMACHINE_H

    27 #define JAVAVIRTUALMACHINE_H

    28 

    29 

    30 #include "jni.h"

    31 #include "Platform.h"

    32 

    33 

    34 enum JvmLaunchType {

    35     USER_APP_LAUNCH,

    36     SINGLE_INSTANCE_NOTIFICATION_LAUNCH,

    37     JVM_LAUNCH_TYPES_NUM

    38 };

    39 

    40 struct JavaOptionItem {

    41     TString name;

    42     TString value;

    43     void* extraInfo;

    44 };

    45 

    46 class JavaOptions {

    47 private:

    48     std::list<JavaOptionItem> FItems;

    49     JavaVMOption* FOptions;

    50 

    51 public:

    52     JavaOptions();

    53     ~JavaOptions();

    54 

    55     void AppendValue(const TString Key, TString Value, void* Extra);

    56     void AppendValue(const TString Key, TString Value);

    57     void AppendValue(const TString Key);

    58     void AppendValues(OrderedMap<TString, TString> Values);

    59     void ReplaceValue(const TString Key, TString Value);

    60     std::list<TString> ToList();

    61     size_t GetCount();

    62 };

    63 

    64 // Private typedef for function pointer casting

    65 #define LAUNCH_FUNC "JLI_Launch"

    66 

    67 typedef int (JNICALL *JVM_CREATE)(int argc, char ** argv,

    68                                   int jargc, const char** jargv,

    69                                   int appclassc, const char** appclassv,

    70                                   const char* fullversion,

    71                                   const char* dotversion,

    72                                   const char* pname,

    73                                   const char* lname,

    74                                   jboolean javaargs,

    75                                   jboolean cpwildcard,

    76                                   jboolean javaw,

    77                                   jint ergo);

    78 

    79 class JavaLibrary : public Library {

    80     JVM_CREATE FCreateProc;

    81     JavaLibrary(const TString &FileName);

    82 public:

    83     JavaLibrary();

    84     bool JavaVMCreate(size_t argc, char *argv[]);

    85 };

    86 

    87 class JavaVirtualMachine {

    88 private:

    89     JavaLibrary javaLibrary;

    90 

    91     void configureLibrary();

    92     bool launchVM(JavaOptions& options, std::list<TString>& vmargs,

    93             bool addSiProcessId);

    94 public:

    95     JavaVirtualMachine();

    96     ~JavaVirtualMachine(void);

    97 

    98     bool StartJVM();

    99     bool NotifySingleInstance();

   100 };

   101 

   102 bool RunVM(JvmLaunchType type);

   103 

   104 #endif // JAVAVIRTUALMACHINE_H