ClientPage Class Reference

#include <pagepool.h>

Inheritance diagram for ClientPage:

[legend]Collaboration diagram for ClientPage:

[legend]List of all members.


Public Member Functions
	ClientPage (const char *n, int s, double mt, double et, double a)
virtual	~ClientPage ()
virtual WebPageType	type () const
virtual void	print_info (char *buf)
void	name (char *buf)
double &	mtime ()
double &	etime ()
double &	age ()
HttpApp *	server ()
void	validate (double mtime)
void	invalidate (double mtime)
int	is_valid () const
int	is_header_valid () const
void	set_valid_hdr ()
void	set_uncacheable ()
int	is_uncacheable ()
void	set_unread ()
void	set_read ()
int	is_unread ()
int	is_server_down ()
void	server_down ()
int &	counter ()
int	count_inval (int a, int th)
int	count_request (int b, int th)
void	set_mpush (double time)
void	clear_mpush ()
int	is_mpush ()
double	mpush_time ()
int	size () const
int &	id ()
Static Public Member Functions
void	split_name (const char *name, PageID &id)
void	print_name (char *name, PageID &id)
Static Public Attributes
int	PUSHALL_ = 0
Protected Member Functions
void	set_page_state (int state)
void	clear_page_state (int state)
void	set_page_action (int action)
void	clear_page_action (int action)
Protected Attributes
HttpApp *	server_
double	age_
double	mtime_
double	etime_
int	status_
int	counter_
double	mpushTime_
int	size_
int	id_

Constructor & Destructor Documentation

ClientPage::ClientPage ( const char * n,

int s,

double mt,

double et,

double a

)

Definition at line 53 of file pagepool.cc.
References abort(), HTTP_VALID_PAGE, Page::id_, and server_.

00053 : 00054 Page(s), age_(a), mtime_(mt), etime_(et), 00055 status_(HTTP_VALID_PAGE), counter_(0), 00056 mpushTime_(0) 00057 { 00058 // Parse name to get server and page id 00059 char *buf = new char[strlen(n) + 1]; 00060 strcpy(buf, n); 00061 char *tmp = strtok(buf, ":"); 00062 server_ = (HttpApp*)TclObject::lookup(tmp); 00063 if (server_ == NULL) { 00064 fprintf(stderr, "Non-exitent server name for page %s", n); 00065 abort(); 00066 } 00067 tmp = strtok(NULL, ":"); 00068 id_ = atol(tmp); 00069 delete []buf; 00070 }

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virtual ClientPage::~ClientPage ( ) [inline, virtual]

Definition at line 100 of file pagepool.h.

00100 {}

Member Function Documentation

double& ClientPage::age ( ) [inline]

Definition at line 108 of file pagepool.h.
References age_.
Referenced by HttpUpdateData::PageRec::copy(), ClientPagePool::get_age(), and print_info().

00108 { return age_; }

void ClientPage::clear_mpush ( ) [inline]

Definition at line 197 of file pagepool.h.
References clear_page_action(), and HTTP_MANDATORY_PUSH.
Referenced by HttpMInvalCache::command(), HttpYucInvalServer::command(), and HttpMInvalCache::recv_upd().

00197 { clear_page_action(HTTP_MANDATORY_PUSH); }

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void ClientPage::clear_page_action ( int action ) [inline, protected]

Definition at line 215 of file pagepool.h.
References status_.
Referenced by clear_mpush().

00215 { 00216 status_ = status_ & ~action; 00217 }

void ClientPage::clear_page_state ( int state ) [inline, protected]

Definition at line 209 of file pagepool.h.
References status_.
Referenced by invalidate(), server_down(), set_read(), set_valid_hdr(), and validate().

00209 { 00210 status_ = status_ & ~state; 00211 }

int ClientPage::count_inval ( int a,

int th

) [inline]

Definition at line 174 of file pagepool.h.
References counter_, and PUSHALL_.
Referenced by HttpYucInvalServer::command(), HttpMInvalCache::process_inv(), and HttpMInvalCache::recv_upd().

00174 { 00175 if (PUSHALL_) 00176 return INT_MAX; 00177 else { 00178 counter_ -= a; 00179 if (counter_ < th) 00180 counter_ = th; 00181 return counter_; 00182 } 00183 }

int ClientPage::count_request ( int b,

int th

) [inline]

Definition at line 184 of file pagepool.h.
References counter_, and PUSHALL_.
Referenced by HttpMInvalCache::command(), and HttpYucInvalServer::command().

00184 { 00185 if (PUSHALL_) 00186 return INT_MAX; 00187 else { 00188 counter_ += b; 00189 if (counter_ > th) 00190 counter_ = th; 00191 return counter_; 00192 } 00193 }

int& ClientPage::counter ( ) [inline]

Definition at line 170 of file pagepool.h.
References counter_, and PUSHALL_.
Referenced by ClientPagePool::add_page(), HttpMInvalCache::command(), HttpYucInvalServer::command(), HttpMInvalCache::process_inv(), and HttpMInvalCache::recv_upd().

00170 { 00171 if (PUSHALL_) counter_ = INT_MAX; 00172 return counter_; 00173 }

double& ClientPage::etime ( ) [inline]

Definition at line 107 of file pagepool.h.
References etime_.
Referenced by ClientPagePool::get_etime(), print_info(), and ClientPagePool::set_etime().

00107 { return etime_; }

int& Page::id ( ) [inline, inherited]

Definition at line 38 of file pagepool.h.
References Page::id_.
Referenced by TracePagePool::add_page(), name(), and ServerPage::ServerPage().

00038 { return id_; }

void ClientPage::invalidate ( double mtime ) [inline]

Definition at line 120 of file pagepool.h.
References clear_page_state(), HTTP_VALID_HEADER, HTTP_VALID_PAGE, and mtime_.
Referenced by HttpMInvalCache::process_inv().

00120 { 00121 if (mtime_ >= mtime) 00122 return; 00123 clear_page_state(HTTP_VALID_PAGE); 00124 clear_page_state(HTTP_VALID_HEADER); 00125 mtime_ = mtime; 00126 }

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int ClientPage::is_header_valid ( ) const [inline]

Definition at line 130 of file pagepool.h.
References HTTP_VALID_HEADER, HTTP_VALID_PAGE, and status_.
Referenced by HttpPercInvalCache::command(), and HttpPercInvalCache::recv_inv_filter().

00130 { 00131 return ((status_ & HTTP_VALID_PAGE) || 00132 (status_ & HTTP_VALID_HEADER)); 00133 }

int ClientPage::is_mpush ( ) [inline]

Definition at line 198 of file pagepool.h.
References HTTP_MANDATORY_PUSH, and status_.
Referenced by ClientPagePool::add_page(), HttpYucInvalServer::command(), and HttpMInvalCache::recv_upd().

00198 { return status_ & HTTP_MANDATORY_PUSH; }

int ClientPage::is_server_down ( ) [inline]

Definition at line 158 of file pagepool.h.
References HTTP_SERVER_DOWN, and status_.

00158 { return (status_ & HTTP_SERVER_DOWN); }

int ClientPage::is_uncacheable ( ) [inline]

Definition at line 144 of file pagepool.h.
References HTTP_UNCACHEABLE, and status_.
Referenced by print_info().

00144 { 00145 return (status_ & HTTP_UNCACHEABLE); 00146 }

int ClientPage::is_unread ( ) [inline]

Definition at line 156 of file pagepool.h.
References HTTP_UNREAD_PAGE, and status_.
Referenced by HttpMInvalCache::command().

00156 { return (status_ & HTTP_UNREAD_PAGE); }

int ClientPage::is_valid ( ) const [inline]

Definition at line 127 of file pagepool.h.
References HTTP_VALID_PAGE, and status_.
Referenced by HttpApp::command(), and HttpMInvalCache::recv_inv_filter().

00127 { 00128 return (status_ & HTTP_VALID_PAGE); 00129 }

double ClientPage::mpush_time ( ) [inline]

Definition at line 199 of file pagepool.h.
References mpushTime_.
Referenced by ClientPagePool::add_page(), HttpYucInvalServer::command(), and HttpMInvalCache::recv_upd().

00199 { return mpushTime_; }

double& ClientPage::mtime ( ) [inline]

Definition at line 106 of file pagepool.h.
References mtime_.
Referenced by HttpUpdateData::PageRec::copy(), ClientPagePool::get_mtime(), print_info(), HttpMInvalCache::process_inv(), HttpPercInvalCache::recv_inv_filter(), HttpMInvalCache::recv_inv_filter(), HttpMInvalCache::recv_upd(), and ClientPagePool::set_mtime().

00106 { return mtime_; }

void ClientPage::name ( char * buf )

Definition at line 100 of file pagepool.cc.
References Page::id(), and server_.
Referenced by ClientPagePool::add_page(), MClientPagePool::cache_replace(), HttpUpdateData::PageRec::copy(), MediaPage::evict_tail_segment(), HitCountList::print(), MClientPagePool::repl_atomic(), and MClientPagePool::repl_finegrain().

00101 { 00102 sprintf(buf, "%s:%d", server_->name(), id()); 00103 }

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void ClientPage::print_info ( char * buf ) [virtual]

Reimplemented in MediaPage.
Definition at line 92 of file pagepool.cc.
References age(), etime(), is_uncacheable(), mtime(), and Page::size().
Referenced by ClientPagePool::get_pageinfo(), and MediaPage::print_info().

00093 { 00094 sprintf(buf, "size %d modtime %.17g time %.17g age %.17g", 00095 size(), mtime(), etime(), age()); 00096 if (is_uncacheable()) 00097 strcat(buf, " noc 1"); 00098 }

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void ClientPage::print_name ( char * name,

PageID & id

) [static]

Definition at line 72 of file pagepool.cc.
References PageID::id_, and PageID::s_.

00073 { 00074 sprintf(name, "%s:%-d", id.s_->name(), id.id_); 00075 }

HttpApp* ClientPage::server ( ) [inline]

Definition at line 109 of file pagepool.h.
References server_.
Referenced by ClientPagePool::invalidate_server(), and HttpMInvalCache::process_inv().

00109 { return server_; }

void ClientPage::server_down ( ) [inline]

Definition at line 159 of file pagepool.h.
References clear_page_state(), HTTP_SERVER_DOWN, HTTP_VALID_HEADER, HTTP_VALID_PAGE, and set_page_state().
Referenced by ClientPagePool::invalidate_server().

00159 { 00160 // Set page as invalid 00161 // Don't change mtime, only change page status 00162 clear_page_state(HTTP_VALID_PAGE); 00163 clear_page_state(HTTP_VALID_HEADER); 00164 set_page_state(HTTP_SERVER_DOWN); 00165 }

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void ClientPage::set_mpush ( double time ) [inline]

Definition at line 194 of file pagepool.h.
References HTTP_MANDATORY_PUSH, mpushTime_, and set_page_action().
Referenced by ClientPagePool::add_page(), HttpMInvalCache::command(), and HttpYucInvalServer::command().

00194 { 00195 set_page_action(HTTP_MANDATORY_PUSH), mpushTime_ = time; 00196 }

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void ClientPage::set_page_action ( int action ) [inline, protected]

Definition at line 212 of file pagepool.h.
References status_.
Referenced by set_mpush().

00212 { 00213 status_ |= action; 00214 }

void ClientPage::set_page_state ( int state ) [inline, protected]

Definition at line 206 of file pagepool.h.
References status_.
Referenced by server_down(), set_uncacheable(), set_unread(), set_valid_hdr(), and validate().

00206 { 00207 status_ |= state; 00208 }

void ClientPage::set_read ( ) [inline]

Definition at line 153 of file pagepool.h.
References clear_page_state(), and HTTP_UNREAD_PAGE.
Referenced by HttpMInvalCache::command().

00153 { 00154 clear_page_state(HTTP_UNREAD_PAGE); 00155 }

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void ClientPage::set_uncacheable ( ) [inline]

Definition at line 141 of file pagepool.h.
References HTTP_UNCACHEABLE, and set_page_state().
Referenced by ClientPagePool::enter_page(), and MClientPagePool::enter_page().

00141 { 00142 set_page_state(HTTP_UNCACHEABLE); 00143 }

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void ClientPage::set_unread ( ) [inline]

Definition at line 150 of file pagepool.h.
References HTTP_UNREAD_PAGE, and set_page_state().
Referenced by HttpMInvalCache::command(), and HttpMInvalCache::recv_upd().

00150 { 00151 set_page_state(HTTP_UNREAD_PAGE); 00152 }

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void ClientPage::set_valid_hdr ( ) [inline]

Definition at line 134 of file pagepool.h.
References clear_page_state(), HTTP_SERVER_DOWN, HTTP_VALID_HEADER, HTTP_VALID_PAGE, and set_page_state().
Referenced by ClientPagePool::enter_metadata().

00134 { 00135 // XXX page invalid, but only header valid 00136 clear_page_state(HTTP_SERVER_DOWN); 00137 clear_page_state(HTTP_VALID_PAGE); 00138 set_page_state(HTTP_VALID_HEADER); 00139 }

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int Page::size ( ) const [inline, inherited]

Definition at line 37 of file pagepool.h.
References Page::size_.
Referenced by HttpUpdateData::add(), HttpUpdateData::PageRec::copy(), MClientPagePool::fill_page(), MClientPagePool::force_remove(), ClientPagePool::get_size(), Page::Page(), print_info(), and MClientPagePool::remove_page().

00037 { return size_; }

void ClientPage::split_name ( const char * name,

PageID & id

) [static]

Definition at line 77 of file pagepool.cc.
References abort(), PageID::id_, and PageID::s_.
Referenced by ClientPagePool::add_page(), CompMathPagePool::command(), ClientPagePool::get_page(), MediaServer::get_piq(), and ClientPagePool::remove_page().

00078 { 00079 char *buf = new char[strlen(name)+1]; 00080 strcpy(buf, name); 00081 char *tmp = strtok(buf, ":"); 00082 id.s_ = (HttpApp*)TclObject::lookup(tmp); 00083 if (id.s_ == NULL) { 00084 fprintf(stderr, "Non-exitent server name for page %s\n", name); 00085 abort(); 00086 } 00087 tmp = strtok(NULL, ":"); 00088 id.id_ = atol(tmp); 00089 delete []buf; 00090 }

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virtual WebPageType ClientPage::type ( ) const [inline, virtual]

Implements Page.
Reimplemented in MediaPage.
Definition at line 102 of file pagepool.h.
References HTML, and WebPageType.
Referenced by MediaServer::command(), MediaCache::command(), HttpApp::command(), MClientPagePool::force_remove(), and MClientPagePool::remove_page().

00102 { return HTML; }

void ClientPage::validate ( double mtime ) [inline]

Definition at line 112 of file pagepool.h.
References abort(), clear_page_state(), HTTP_SERVER_DOWN, HTTP_VALID_PAGE, mtime_, and set_page_state().

00112 { 00113 if (mtime_ >= mtime) 00114 abort(); // This shouldn't happen! 00115 // Clear server down bit 00116 clear_page_state(HTTP_SERVER_DOWN); 00117 set_page_state(HTTP_VALID_PAGE); 00118 mtime_ = mtime; 00119 }

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Member Data Documentation

double ClientPage::age_ [protected]

Definition at line 220 of file pagepool.h.
Referenced by age().

int ClientPage::counter_ [protected]

Definition at line 224 of file pagepool.h.
Referenced by count_inval(), count_request(), and counter().

double ClientPage::etime_ [protected]

Definition at line 222 of file pagepool.h.
Referenced by etime().

int Page::id_ [protected, inherited]

Definition at line 43 of file pagepool.h.
Referenced by ClientPage(), Page::id(), and ServerPage::ServerPage().

double ClientPage::mpushTime_ [protected]

Definition at line 225 of file pagepool.h.
Referenced by mpush_time(), and set_mpush().

double ClientPage::mtime_ [protected]

Definition at line 221 of file pagepool.h.
Referenced by invalidate(), mtime(), and validate().

int ClientPage::PUSHALL_ = 0 [static]

Definition at line 43 of file pagepool.cc.
Referenced by PagePool::command(), count_inval(), count_request(), and counter().

HttpApp* ClientPage::server_ [protected]

Definition at line 219 of file pagepool.h.
Referenced by ClientPage(), name(), and server().

int Page::size_ [protected, inherited]

Definition at line 42 of file pagepool.h.
Referenced by MediaPage::create(), MediaPage::hit_layer(), Page::Page(), ServerPage::size(), and Page::size().

int ClientPage::status_ [protected]

Definition at line 223 of file pagepool.h.
Referenced by clear_page_action(), clear_page_state(), is_header_valid(), is_mpush(), is_server_down(), is_uncacheable(), is_unread(), is_valid(), set_page_action(), and set_page_state().

The documentation for this class was generated from the following files:

Generated on Tue Apr 20 12:35:43 2004 for NS2.26SourcesOriginal by

1.3.3

ClientPage Class Reference

Public Member Functions

Static Public Member Functions

Static Public Attributes

Protected Member Functions

Protected Attributes

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation