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| version 1.4, 2001/11/05 11:46:29 | version 1.16.2.4, 2003/02/21 08:50:03 |
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| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: sql driver manager implementation. | Parser: sql driver manager implementation. |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexander Petrosyan <paf@design.ru> (http://paf.design.ru) | Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) |
| $Id$ | |
| */ | */ |
| #include "pa_config_includes.h" | #include "pa_config_includes.h" |
| #ifdef XML | #ifdef XML |
| static const char* IDENT_STYLESHEET_MANAGER_C="$Date$"; | |
| #include "pa_stylesheet_manager.h" | #include "pa_stylesheet_manager.h" |
| #include "pa_stylesheet_connection.h" | #include "pa_stylesheet_connection.h" |
| #include "ltdl.h" | |
| #include "pa_exception.h" | #include "pa_exception.h" |
| #include "pa_common.h" | #include "pa_common.h" |
| #include "pa_threads.h" | #include "pa_threads.h" |
| Line 45 static void expire_connections(const Has | Line 44 static void expire_connections(const Has |
| // Stylesheet_manager | // Stylesheet_manager |
| Stylesheet_manager::Stylesheet_manager(Pool& apool) : Pooled(apool), | Stylesheet_manager::Stylesheet_manager(Pool& apool) : Cache_manager(apool), |
| connection_cache(apool), | connection_cache(apool), |
| prev_expiration_pass_time(0) { | prev_expiration_pass_time(0) { |
| } | |
| status_providers->put(*NEW String(pool(), "stylesheet"), this); | |
| } | |
| Stylesheet_manager::~Stylesheet_manager() { | Stylesheet_manager::~Stylesheet_manager() { |
| connection_cache.for_each(expire_connections, | connection_cache.for_each(expire_connections, |
| reinterpret_cast<void *>((time_t)0/*=in past=expire all*/)); | reinterpret_cast<void *>(time(0)+1/*=in future=expire all*/)); |
| } | } |
| Stylesheet_connection& Stylesheet_manager::get_connection(const String& request_file_spec) { | Stylesheet_connection_ptr Stylesheet_manager::get_connection(const String& request_file_spec) { |
| Pool& pool=request_file_spec.pool(); // request pool | Pool& pool=request_file_spec.pool(); // request pool |
| // first trying to get cached stylesheet | // first trying to get cached stylesheet |
| Stylesheet_connection *result=get_connection_from_cache(request_file_spec); | Stylesheet_connection *connection=get_connection_from_cache(request_file_spec); |
| if(!result) { | if(!connection) { |
| // then just construct it | // then just construct it |
| // make global_file_spec C-string on global pool | // make global_file_spec C-string on global pool |
| const char *request_file_spec_cstr=request_file_spec.cstr(String::UL_FILE_SPEC); | CharPtr global_file_spec_cstr=request_file_spec.cstr(this->pool(pool), String::UL_FILE_SPEC); |
| char *global_file_spec_cstr=(char *)malloc(strlen(request_file_spec_cstr)+1); | |
| strcpy(global_file_spec_cstr, request_file_spec_cstr); | |
| // make global_file_spec string on global pool | // make global_file_spec string on global pool |
| String& global_file_spec=*new(this->pool()) String(this->pool(), global_file_spec_cstr); | String& global_file_spec=*new(this->pool()) String(this->pool(), global_file_spec_cstr); |
| result=new(this->pool()) Stylesheet_connection(this->pool(), global_file_spec); | connection=new(this->pool()) Stylesheet_connection(this->pool(), global_file_spec); |
| } | } |
| // associate with services[request] (deassociates at close) | // associate with services[request] (deassociates at close) |
| result->set_services(&pool); | connection->set_services(&pool); |
| // return it | // return autoclosing object for it |
| return *result; | return Stylesheet_connection_ptr(connection); |
| } | } |
| void Stylesheet_manager::close_connection(const String& file_spec, | void Stylesheet_manager::close_connection(const String& file_spec, |
| Line 92 void Stylesheet_manager::close_connectio | Line 87 void Stylesheet_manager::close_connectio |
| Stylesheet_connection *Stylesheet_manager::get_connection_from_cache(const String& file_spec) { | Stylesheet_connection *Stylesheet_manager::get_connection_from_cache(const String& file_spec) { |
| SYNCHRONIZED; | SYNCHRONIZED; |
| maybe_expire_connection_cache(); | |
| if(Stack *connections=static_cast<Stack *>(connection_cache.get(file_spec))) | if(Stack *connections=static_cast<Stack *>(connection_cache.get(file_spec))) |
| while(connections->top_index()>=0) { // there are cached stylesheets to that 'file_spec' | while(connections->top_index()>=0) { // there are cached stylesheets to that 'file_spec' |
| Stylesheet_connection *result=static_cast<Stylesheet_connection *>(connections->pop()); | Stylesheet_connection *result=static_cast<Stylesheet_connection *>(connections->pop()); |
| Line 116 void Stylesheet_manager::put_connection_ | Line 109 void Stylesheet_manager::put_connection_ |
| connections->push(&connection); | connections->push(&connection); |
| } | } |
| void Stylesheet_manager::maybe_expire_connection_cache() { | void Stylesheet_manager::maybe_expire_cache() { |
| time_t now=time(0); | time_t now=time(0); |
| if(prev_expiration_pass_time<now-CHECK_EXPIRED_CONNECTION_SECONDS) { | if(prev_expiration_pass_time<now-CHECK_EXPIRED_CONNECTION_SECONDS) { |
| Line 139 static void add_connection_to_status_cac | Line 132 static void add_connection_to_status_cac |
| row+=&connection.file_spec(); | row+=&connection.file_spec(); |
| // time | // time |
| time_t time_stamp=connection.get_time_used(); | time_t time_stamp=connection.get_time_used(); |
| const char *unsafe_time_cstr=ctime(&time_stamp); | row+=new(pool) String(pool, pool.copy(ctime(&time_stamp))); |
| int time_buf_size=strlen(unsafe_time_cstr); | |
| char *safe_time_buf=(char *)pool.malloc(time_buf_size); | |
| memcpy(safe_time_buf, unsafe_time_cstr, time_buf_size); | |
| row+=new(pool) String(pool, safe_time_buf, time_buf_size); | |
| table+=&row; | table+=&row; |
| } | } |
| Line 154 static void add_connections_to_status_ca | Line 143 static void add_connections_to_status_ca |
| for(int countdown=stack.top_index(); countdown-->=0; ) | for(int countdown=stack.top_index(); countdown-->=0; ) |
| add_connection_to_status_cache_table(iter.next(), info); | add_connection_to_status_cache_table(iter.next(), info); |
| } | } |
| Value& Stylesheet_manager::get_status(Pool& pool, const String *source) { | Value& Stylesheet_manager::get_status(Pool& pool, const String *source) { |
| VHash& result=*new(pool) VHash(pool); | VHash& result=*new(pool) VHash(pool); |