pegasus/src/Pegasus/Common/Message.h - diff

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Diff for /pegasus/src/Pegasus/Common/Message.h between version 1.11 and 1.79

version 1.11, 2001/12/24 03:11:31

version 1.79, 2006/07/23 18:02:33

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//%///-*-c++-*-/////////////////////////////////////////////////////////////////

//%2006////////////////////////////////////////////////////////////////////////

// The Open Group, Tivoli Systems

// Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.

// IBM Corp.; EMC Corporation, The Open Group.

// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.

// EMC Corporation; VERITAS Software Corporation; The Open Group.

// EMC Corporation; Symantec Corporation; The Open Group.

// Permission is hereby granted, free of charge, to any person obtaining a copy

// of this software and associated documentation files (the "Software"), to

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// Author: Mike Brasher (mbrasher@bmc.com)

// Modified By: Nitin Upasani, Hewlett-Packard Company (Nitin_Upasani@hp.com)

// Modified By: Carol Ann Krug Graves, Hewlett-Packard Company

// Carol Ann Krug Graves, Hewlett-Packard Company

// (carolann_graves@hp.com)

// Modified By: Mike Day (mdday@us.ibm.com)

// Mike Day (mdday@us.ibm.com)

// Roger Kumpf, Hewlett-Packard Company (roger_kumpf@hp.com)

// Arthur Pichlkostner (via Markus: sedgewick_de@yahoo.de)

// Willis White (whiwill@us.ibm.com) PEP 127 and 128

// Brian G. Campbell, EMC (campbell_brian@emc.com) - PEP140/phase1

// Amit K Arora, IBM (amita@in.ibm.com) for Bug#1090

// John Alex, IBM (johnalex@us.ibm.com) - Bug#2290

//%/////////////////////////////////////////////////////////////////////////////

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#include <Pegasus/Common/Config.h>

#include <iostream>

#include <cstring>

#include <Pegasus/Common/Exception.h>

#include <Pegasus/Common/InternalException.h>

#include <Pegasus/Common/IPC.h>

#include <Pegasus/Common/StatisticalData.h>

#include <Pegasus/Common/Linkage.h>

#include <Pegasus/Common/TimeValue.h>

#include <Pegasus/Common/CIMOperationType.h>

#include <Pegasus/Common/Linkable.h>

PEGASUS_NAMESPACE_BEGIN

// REVIEW: could class be renamed to MessageMask (coding standard)?

// REVIEW: could class be renamed to MessageMask (coding standard)

class PEGASUS_COMMON_LINKAGE message_mask

{

public:

// REVIEW: could these be renamed (e.g., type_legacy to just LEGACY)?

// REVIEW: see coding standard.

static Uint32 type_legacy;

static Uint32 type_CIMOperation;

static Uint32 type_CIMAsyncOperation;

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static Uint32 type_socket;

static Uint32 type_connection;

static Uint32 type_http;

static Uint32 type_http_error;

static Uint32 type_cimom;

static Uint32 type_control;

static Uint32 type_service;

static Uint32 type_broadcast;

static Uint32 type_client_exception;

static Uint32 ha_no_delete;

static Uint32 ha_request;

static Uint32 ha_reply;

static Uint32 ha_synchronous;

static Uint32 ha_async;

static Uint32 ha_wait;

// more for documentation than for use

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}

};

class cimom;

class MessageQueue;

class MessageQueueService;

class AsyncLegacyOperationStart;

class AsyncLegacyOperationResult;

enum HttpMethod

{

HTTP_METHOD__POST,

HTTP_METHOD_M_POST

};

/** The Message class and derived classes are used to pass messages between

modules. Messages are passed between modules using the message queues

(see MessageQueue class). Derived classes may add their own fields.

This base class defines two common fields: type, which is the type of

This base class defines a common type field, which is the type of

the message, and key which is a key value whose meaning is defined by

the message.

the derived class. The MessageQueue class provides methods for finding

messages by both type and key.

The Message class also provides previous and next pointers which are

used to place the messages on a queue by the MessageQueue class.

class PEGASUS_COMMON_LINKAGE Message

class PEGASUS_COMMON_LINKAGE Message : public Linkable

{

public:

Message(

Uint32 type,

Uint32 key = getNextKey(),

Uint32 destination = 0,

Uint32 routing_code = 0,

Uint32 mask = message_mask::type_legacy)

_type(type),

_key(key),

_routing_code(routing_code),

_mask(mask),

_httpMethod (HTTP_METHOD__POST),

_close_connect(false),

_last_thread_id(pegasus_thread_self()),

_next(0),

_prev(0)

_prev(0),

_async(0),

dest(destination),

_isComplete(true),

_index(0)

{

}

Message & operator = ( const Message & msg)

{

if (this != &msg)

{

_type = msg._type;

_mask = msg._mask;

_last_thread_id = msg._last_thread_id;

_next = _prev = _async = 0;

dest = msg.dest;

_httpMethod = msg._httpMethod;

_index = msg._index;

_isComplete = msg._isComplete;

}

return *this;

}

virtual ~Message();

Boolean getCloseConnect() const { return _close_connect; }

void setCloseConnect(Boolean close_connect)

{

_close_connect = close_connect;

}

Uint32 getType() const { return _type; }

void setType(Uint32 type) { _type = type; }

Uint32 getKey() const { return _key; }

Uint32 getMask() const { return _mask; }

void setKey(Uint32 key) { _key = key; }

void setMask(Uint32 mask) { _mask = mask; }

Uint32 getRouting() const { return _routing_code; }

HttpMethod getHttpMethod() const { return _httpMethod; }

void setRouting(Uint32 routing) { _routing_code = routing; }

Uint32 getMask() const { return _mask; }

void setHttpMethod(HttpMethod httpMethod) {_httpMethod = httpMethod;}

void setMask(Uint32 mask) { _mask = mask; }

#ifndef PEGASUS_DISABLE_PERFINST

// Needed for performance measurement

void startServer();

void endServer();

void startProvider();

void endProvider();

TimeValue getStartServerTime() const { return _timeServerStart; }

void setStartServerTime(TimeValue timeServerStart)

{

_timeServerStart = timeServerStart;

}

TimeValue getStartProviderTime() const { return _timeProviderStart; }

void setStartProviderTime(TimeValue timeProviderStart)

{

_timeProviderStart = timeProviderStart;

}

TimeValue getEndServerTime() const { return _timeServerEnd; }

void setEndServerTime (TimeValue timeServerEnd)

{

_timeServerEnd = timeServerEnd;

}

TimeValue getEndProviderTime() const { return _timeProviderEnd; }

void setEndProviderTime(TimeValue timeProviderEnd)

{

_timeProviderEnd = timeProviderEnd;

}

TimeValue getServerTime() { return _serverTime; }

#endif

Message* getNext() { return _next; }

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const Message* getPrevious() const { return _prev; }

static Uint32 getNextKey()

static CIMOperationType convertMessageTypetoCIMOpType(Uint32 type);

{

#ifdef PEGASUS_DEBUG

virtual void print(

PEGASUS_STD(ostream)& os,

Boolean printHeader = true) const;

#endif

_mut.lock( pegasus_thread_self() ) ;

Message *get_async(void)

Uint32 ret = _nextKey++;

{

_mut.unlock();

Message *ret = _async;

_async = 0;

return ret;

}

virtual void print(PEGASUS_STD(ostream)& os) const;

void put_async(Message * msg)

{

_async = msg;

}

// << Tue Jul 1 11:02:49 2003 mdd >> pep_88 and helper for i18n and l10n

Boolean thread_changed(void)

{

if(_last_thread_id != pegasus_thread_self())

{

_last_thread_id = pegasus_thread_self();

return true;

}

return false;

}

// set the message index indicating what piece (or sequence) this is

// message indexes start at zero

void setIndex(Uint32 index) { _index = index; }

// increment the message index

void incrementIndex() { _index++; }

// set the complete flag indicating if this message piece is the

// last or not

void setComplete(Boolean isComplete)

{ _isComplete = isComplete ? true:false; }

// get the message index (or sequence number)

Uint32 getIndex() const { return _index; }

// is this the first piece of the message ?

Boolean isFirst() const { return _index == 0 ? true : false; }

// is this message complete? (i.e the last in a one or more sequence)

Boolean isComplete() const { return _isComplete; }

private:

Uint32 _type;

Uint32 _key;

Uint32 _routing_code;

Uint32 _mask;

HttpMethod _httpMethod;

// Needed for performance measurement

TimeValue _timeServerStart;

TimeValue _timeServerEnd;

TimeValue _timeProviderStart;

TimeValue _timeProviderEnd;

TimeValue _serverTime;

Boolean _close_connect;

// << Tue Jul 1 11:02:35 2003 mdd >> pep_88 and helper for i18n and l10n

PEGASUS_THREAD_TYPE _last_thread_id;

Message* _next;

Message* _prev;

protected:

public:

Message *_async;

Uint32 dest;

//needed for PEP 128 - transmitting Server Response Time to Client

Uint64 totServerTime;

private:

MessageQueue* _owner;

static Uint32 _nextKey;

Boolean _isComplete;

static Mutex _mut;

Uint32 _index;

friend class cimom;

friend class MessageQueue;

};

friend class MessageQueueService;

friend class AsyncLegacyOperationStart;

friend class AsyncLegacyOperationResult;

};

// each component needs to support a set of these messgaes and pass that array

// to the dispatcher so the dispatcher can route messages at the first level

// i.e., client will not accept request messages.

// every message should have a response

// dispatcher supports full cim api set (as below)

// repository needs to be a peer to the provider manager

// mkdir _dispatcher

// mkdir _providermanager

// mkdir _server (http incoming, front end)

// mkdir _repositorymanager

// _subscriptionprocessor

// _indicationprocessor

// _configurationmanager

// _cimom (loads and links everyone, hooks up queues)

// fundamental messages:

// start, stop, pause, resume

// handshaking: interrogate (as in windows service api)

// message class support

// message namespace support ???

enum MessageType

{

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CIM_CREATE_INSTANCE_REQUEST_MESSAGE,

CIM_MODIFY_CLASS_REQUEST_MESSAGE,

CIM_MODIFY_INSTANCE_REQUEST_MESSAGE,

CIM_ENUMERATE_CLASSES_REQUEST_MESSAGE,

CIM_ENUMERATE_CLASSES_REQUEST_MESSAGE, //10

CIM_ENUMERATE_CLASS_NAMES_REQUEST_MESSAGE,

CIM_ENUMERATE_INSTANCES_REQUEST_MESSAGE,

CIM_ENUMERATE_INSTANCE_NAMES_REQUEST_MESSAGE,

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CIM_REFERENCES_REQUEST_MESSAGE,

CIM_REFERENCE_NAMES_REQUEST_MESSAGE,

CIM_GET_PROPERTY_REQUEST_MESSAGE,

CIM_SET_PROPERTY_REQUEST_MESSAGE,

CIM_SET_PROPERTY_REQUEST_MESSAGE, //20

CIM_GET_QUALIFIER_REQUEST_MESSAGE,

CIM_SET_QUALIFIER_REQUEST_MESSAGE,

CIM_DELETE_QUALIFIER_REQUEST_MESSAGE,

CIM_ENUMERATE_QUALIFIERS_REQUEST_MESSAGE,

CIM_INVOKE_METHOD_REQUEST_MESSAGE,

CIM_ENABLE_INDICATION_SUBSCRIPTION_REQUEST_MESSAGE,

CIM_PROCESS_INDICATION_REQUEST_MESSAGE,

CIM_MODIFY_INDICATION_SUBSCRIPTION_REQUEST_MESSAGE,

CIM_HANDLE_INDICATION_REQUEST_MESSAGE,

CIM_DISABLE_INDICATION_SUBSCRIPTION_REQUEST_MESSAGE,

CIM_NOTIFY_PROVIDER_REGISTRATION_REQUEST_MESSAGE,

CIM_NOTIFY_PROVIDER_TERMINATION_REQUEST_MESSAGE,

CIM_CREATE_SUBSCRIPTION_REQUEST_MESSAGE, // 30

CIM_MODIFY_SUBSCRIPTION_REQUEST_MESSAGE,

CIM_DELETE_SUBSCRIPTION_REQUEST_MESSAGE,

CIM_DISABLE_MODULE_REQUEST_MESSAGE,

CIM_ENABLE_MODULE_REQUEST_MESSAGE,

CIM_STOP_ALL_PROVIDERS_REQUEST_MESSAGE,

CIM_GET_CLASS_RESPONSE_MESSAGE,

CIM_GET_INSTANCE_RESPONSE_MESSAGE,

CIM_EXPORT_INDICATION_RESPONSE_MESSAGE,

CIM_DELETE_CLASS_RESPONSE_MESSAGE,

CIM_DELETE_INSTANCE_RESPONSE_MESSAGE,

CIM_DELETE_INSTANCE_RESPONSE_MESSAGE, // 40

CIM_CREATE_CLASS_RESPONSE_MESSAGE,

CIM_CREATE_INSTANCE_RESPONSE_MESSAGE,

CIM_MODIFY_CLASS_RESPONSE_MESSAGE,

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CIM_ENUMERATE_INSTANCES_RESPONSE_MESSAGE,

CIM_ENUMERATE_INSTANCE_NAMES_RESPONSE_MESSAGE,

CIM_EXEC_QUERY_RESPONSE_MESSAGE,

CIM_ASSOCIATORS_RESPONSE_MESSAGE,

CIM_ASSOCIATORS_RESPONSE_MESSAGE, // 50

CIM_ASSOCIATOR_NAMES_RESPONSE_MESSAGE,

CIM_REFERENCES_RESPONSE_MESSAGE,

CIM_REFERENCE_NAMES_RESPONSE_MESSAGE,

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CIM_SET_QUALIFIER_RESPONSE_MESSAGE,

CIM_DELETE_QUALIFIER_RESPONSE_MESSAGE,

CIM_ENUMERATE_QUALIFIERS_RESPONSE_MESSAGE,

CIM_INVOKE_METHOD_RESPONSE_MESSAGE,

CIM_INVOKE_METHOD_RESPONSE_MESSAGE, // 60

CIM_ENABLE_INDICATION_SUBSCRIPTION_RESPONSE_MESSAGE,

CIM_PROCESS_INDICATION_RESPONSE_MESSAGE,

CIM_MODIFY_INDICATION_SUBSCRIPTION_RESPONSE_MESSAGE,

CIM_NOTIFY_PROVIDER_REGISTRATION_RESPONSE_MESSAGE,

CIM_DISABLE_INDICATION_SUBSCRIPTION_RESPONSE_MESSAGE,

CIM_NOTIFY_PROVIDER_TERMINATION_RESPONSE_MESSAGE,

CIM_HANDLE_INDICATION_RESPONSE_MESSAGE,

CIM_CREATE_SUBSCRIPTION_RESPONSE_MESSAGE,

CIM_MODIFY_SUBSCRIPTION_RESPONSE_MESSAGE,

CIM_DELETE_SUBSCRIPTION_RESPONSE_MESSAGE,

CIM_DISABLE_MODULE_RESPONSE_MESSAGE,

CIM_ENABLE_MODULE_RESPONSE_MESSAGE,

CIM_STOP_ALL_PROVIDERS_RESPONSE_MESSAGE, // 70

// Monitor-related messages:

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// HTTP messages:

HTTP_MESSAGE,

HTTP_ERROR_MESSAGE,

// Exception messages to be passed to a CIM client application:

CLIENT_EXCEPTION_MESSAGE,

ASYNC_REGISTER_CIM_SERVICE,

ASYNC_DEREGISTER_CIM_SERVICE,

ASYNC_UPDATE_CIM_SERVICE,

ASYNC_IOCTL,

ASYNC_CIMSERVICE_START, // 80

ASYNC_CIMSERVICE_STOP,

ASYNC_CIMSERVICE_PAUSE,

ASYNC_CIMSERVICE_RESUME,

ASYNC_ASYNC_OP_START,

ASYNC_ASYNC_OP_RESULT,

ASYNC_ASYNC_LEGACY_OP_START,

ASYNC_ASYNC_LEGACY_OP_RESULT,

ASYNC_FIND_SERVICE_Q,

ASYNC_FIND_SERVICE_Q_RESULT,

ASYNC_ENUMERATE_SERVICE, // 90

ASYNC_ENUMERATE_SERVICE_RESULT,

ASYNC_REGISTERED_MODULE,

ASYNC_DEREGISTERED_MODULE,

ASYNC_FIND_MODULE_IN_SERVICE,

ASYNC_FIND_MODULE_IN_SERVICE_RESPONSE,

ASYNC_ASYNC_MODULE_OP_START,

ASYNC_ASYNC_MODULE_OP_RESULT,

CIM_NOTIFY_PROVIDER_ENABLE_REQUEST_MESSAGE,

CIM_NOTIFY_PROVIDER_ENABLE_RESPONSE_MESSAGE,

CIM_NOTIFY_PROVIDER_FAIL_REQUEST_MESSAGE, // 100

CIM_NOTIFY_PROVIDER_FAIL_RESPONSE_MESSAGE,

CIM_INITIALIZE_PROVIDER_REQUEST_MESSAGE,

CIM_INITIALIZE_PROVIDER_RESPONSE_MESSAGE,

CIM_INITIALIZE_PROVIDER_AGENT_REQUEST_MESSAGE,

CIM_INITIALIZE_PROVIDER_AGENT_RESPONSE_MESSAGE,

CIM_NOTIFY_CONFIG_CHANGE_REQUEST_MESSAGE,

CIM_NOTIFY_CONFIG_CHANGE_RESPONSE_MESSAGE,

CIM_SUBSCRIPTION_INIT_COMPLETE_REQUEST_MESSAGE,

CIM_SUBSCRIPTION_INIT_COMPLETE_RESPONSE_MESSAGE,

NUMBER_OF_MESSAGES

};

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stack of queue-ids of queues which they must be returned to. This provides

a light efficient stack for this purpose.

class QueueIdStack

class PEGASUS_COMMON_LINKAGE QueueIdStack

{

public:

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{

}

QueueIdStack(const QueueIdStack& x) : _size(x._size)

QueueIdStack(const QueueIdStack& x);

{

memcpy(_items, x._items, sizeof(_items));

}

PEGASUS_EXPLICIT QueueIdStack(Uint32 x) : _size(0)

PEGASUS_EXPLICIT QueueIdStack(Uint32 x);

{

push(x);

}

PEGASUS_EXPLICIT QueueIdStack(Uint32 x1, Uint32 x2) : _size(0)

PEGASUS_EXPLICIT QueueIdStack(Uint32 x1, Uint32 x2);

{

push(x1);

push(x2);

}

~QueueIdStack()

{

}

QueueIdStack& operator=(const QueueIdStack& x)

QueueIdStack& operator=(const QueueIdStack& x);

{

if (this != &x)

{

memcpy(_items, x._items, sizeof(_items));

_size = x._size;

}

return *this;

}

Uint32 size() const

{

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void push(Uint32 x)

{

#ifdef PEGASUS_DEBUG

if (_size == MAX_SIZE)

throw StackOverflow();

#endif

_items[_size++] = x;

}

Uint32& top()

{

#ifdef PEGASUS_DEBUG

if (_size == 0)

throw StackUnderflow();

#endif

return _items[_size-1];

}

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void pop()

{

#ifdef PEGASUS_DEBUG

if (_size == 0)

throw StackUnderflow();

#endif

_size--;

}

/** Make a copy of this stack and then pop the top element. */

QueueIdStack copyAndPop() const

QueueIdStack copyAndPop() const;

{

return QueueIdStack(*this, 0);

}

private:

// Copy the given stack but then pop the top element:

QueueIdStack(const QueueIdStack& x, int) : _size(x._size)

QueueIdStack(const QueueIdStack& x, int);

{

memcpy(_items, x._items, sizeof(_items));

pop();

}

enum { MAX_SIZE = 5 };

Uint32 _items[MAX_SIZE];

Legend:

Removed from v.1.11
changed lines
	Added in v.1.79

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