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| version 1.69.2.17.2.9, 2003/03/24 17:24:42 | version 1.78, 2003/12/11 09:22:09 |
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| Line 5 | Line 5 |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) |
| */ | */ |
| static const char* IDENT_SQL_DRIVER_MANAGER_C="$Date$"; | static const char * const IDENT_SQL_DRIVER_MANAGER_C="$Date$"; |
| #include "pa_sql_driver_manager.h" | #include "pa_sql_driver_manager.h" |
| #include "ltdl.h" | #include "ltdl.h" |
| Line 18 static const char* IDENT_SQL_DRIVER_MANA | Line 18 static const char* IDENT_SQL_DRIVER_MANA |
| // globals | // globals |
| SQL_Driver_manager SQL_driver_manager; | SQL_Driver_manager* SQL_driver_manager=0; |
| // consts | // consts |
| Line 44 static void expire_connection(SQL_Connec | Line 44 static void expire_connection(SQL_Connec |
| if(connection.connected() && connection.expired(older_dies)) | if(connection.connected() && connection.expired(older_dies)) |
| connection.disconnect(); | connection.disconnect(); |
| } | } |
| static void expire_connections( | static void expire_connections(SQL_Driver_manager::connection_cache_type::key_type /*key*/, |
| SQL_Driver_manager::connection_cache_type::key_type /*key*/, | |
| SQL_Driver_manager::connection_cache_type::value_type stack, | SQL_Driver_manager::connection_cache_type::value_type stack, |
| time_t older_dies) { | time_t older_dies) { |
| for(int i=0; i<=stack->top_index(); i++) | for(size_t i=0; i<stack->top_index(); i++) |
| expire_connection(*stack->get(i), older_dies); | expire_connection(*stack->get(i), older_dies); |
| } | } |
| // SQL_Driver_manager | // SQL_Driver_manager |
| SQL_Driver_manager::SQL_Driver_manager(): | SQL_Driver_manager::SQL_Driver_manager(): |
| prev_expiration_pass_time(0), is_dlinited(false) { | is_dlinited(false), prev_expiration_pass_time(0) { |
| cache_managers.put(StringBody("sql"), this); | |
| } | } |
| SQL_Driver_manager::~SQL_Driver_manager() { | SQL_Driver_manager::~SQL_Driver_manager() { |
| Line 90 SQL_Connection* SQL_Driver_manager::get_ | Line 87 SQL_Connection* SQL_Driver_manager::get_ |
| if(connection) | if(connection) |
| url_cstr=0; // calm, compiler | url_cstr=0; // calm, compiler |
| else { // no cached connection or it were unpingabe: connect/reconnect | else { // no cached connection or it were unpingabe: connect/reconnect |
| if(aurl.pos("://")==STRING_NOT_FOUND) | url_cstr=aurl.cstrm(); |
| if(!strstr(url_cstr, "://")) | |
| throw Exception("parser.runtime", | throw Exception("parser.runtime", |
| aurl.length()?&aurl:0, | aurl.length()?&aurl:0, |
| "connection string must start with protocol://"); | "connection string must start with protocol://"); |
| char *protocol_cstr=lsplit(&url_cstr, ':'); | char *protocol_cstr=lsplit(&url_cstr, ':'); |
| // skip "//" after ':' | // skip "//" after ':' |
| while(*url_cstr=='/') | while(*url_cstr=='/') |
| Line 107 SQL_Connection* SQL_Driver_manager::get_ | Line 106 SQL_Connection* SQL_Driver_manager::get_ |
| // no cached | // no cached |
| const String* library=0; | const String* library=0; |
| const String* dlopen_file_spec=0; | const String* dlopen_file_spec=0; |
| if(protocol2driver_and_client->locate(0, protocol)) { | Table::Action_options options; |
| if(protocol2driver_and_client->locate(0, protocol, options)) { | |
| if(!(library=protocol2driver_and_client->item(1)) || library->length()==0) | if(!(library=protocol2driver_and_client->item(1)) || library->length()==0) |
| throw Exception("parser.runtime", | throw Exception("parser.runtime", |
| 0, | 0, |
| Line 182 SQL_Connection* SQL_Driver_manager::get_ | Line 182 SQL_Connection* SQL_Driver_manager::get_ |
| } | } |
| void SQL_Driver_manager::close_connection(connection_cache_type::key_type url, | void SQL_Driver_manager::close_connection(connection_cache_type::key_type url, |
| SQL_Connection* connection) { | SQL_Connection* connection) { |
| put_connection_to_cache(url, connection); | put_connection_to_cache(url, connection); |
| } | } |
| Line 205 void SQL_Driver_manager::put_driver_to_c | Line 205 void SQL_Driver_manager::put_driver_to_c |
| // connection cache | // connection cache |
| /// @todo get rid of memory spending Stack [zeros deep inside got accumulated] | /// @todo get rid of memory spending Stack [zeros deep inside got accumulated] |
| SQL_Connection* SQL_Driver_manager::get_connection_from_cache( | SQL_Connection* SQL_Driver_manager::get_connection_from_cache(connection_cache_type::key_type url) { |
| connection_cache_type::key_type url) { | |
| SYNCHRONIZED; | SYNCHRONIZED; |
| if(connection_cache_type::value_type connections=connection_cache.get(url)) | if(connection_cache_type::value_type connections=connection_cache.get(url)) |
| while(connections->top_index()>=0) { // there are cached connections to that 'url' | while(!connections->is_empty()) { // there are cached connections to that 'url' |
| SQL_Connection* result=connections->pop(); | SQL_Connection* result=connections->pop(); |
| if(result->connected()) // not expired? | if(result->connected()) // not expired? |
| return result; | return result; |
| Line 241 void SQL_Driver_manager::maybe_expire_ca | Line 240 void SQL_Driver_manager::maybe_expire_ca |
| prev_expiration_pass_time=now; | prev_expiration_pass_time=now; |
| } | } |
| } | } |
| /* | |
| static void add_connection_to_status_cache_table(Array::Item *value, void *info) { | |
| SQL_Connection& connection=*static_cast<SQL_Connection* >(value); | |
| Table& table=*static_cast<Table *>(info); | |
| static void add_connection_to_status_cache_table(SQL_Connection& connection, Table* table) { | |
| if(connection.connected()) { | if(connection.connected()) { |
| =table.pool(); | ArrayString& row=*new ArrayString; |
| Array& row=*new Array(); | |
| // url | // url |
| row+=&url_without_login(connection.get_url()); | row+=&connection.services().url_without_login(); |
| // time | // time |
| time_t time_used=connection.get_time_used(); | time_t time_used=connection.get_time_used(); |
| const char* unsafe_time_cstr=ctime(&time_used); | row+=new String(pa_strdup(ctime(&time_used))); |
| int time_buf_size=strlen(unsafe_time_cstr); | |
| char *safe_time_buf=pool.copy(unsafe_time_cstr, time_buf_size); | |
| row+=new String(safe_time_buf, time_buf_size); | |
| table+=&row; | *table+=&row; |
| } | } |
| } | } |
| static void add_connections_to_status_cache_table(const Hash::Key& key, Hash::Val *value, void *info) { | static void add_connections_to_status_cache_table( |
| Stack& stack=*static_cast<Stack *>(value); | SQL_Driver_manager::connection_cache_type::key_type /*key*/, |
| Array_iter iter(stack); | SQL_Driver_manager::connection_cache_type::value_type stack, Table* table) |
| for(int countdown=stack.top_index(); countdown-->=0; ) | { |
| add_connection_to_status_cache_table(iter.next(), info); | for(Array_iterator<SQL_Connection*> i(*stack); i.has_next(); ) |
| }*/ | add_connection_to_status_cache_table(*i.next(), table); |
| /// @todo convert to object_ptr | } |
| Value* SQL_Driver_manager::get_status() { | Value* SQL_Driver_manager::get_status() { |
| Value* result=new VHash; | Value* result=new VHash; |
| /* | |
| // cache | // cache |
| { | { |
| Array& columns=*new Array(); | ArrayString& columns=*new ArrayString; |
| columns+=new String("url"); | columns+=new String("url"); |
| columns+=new String("time"); | columns+=new String("time"); |
| Table& table=*new Table(0, &columns, connection_cache.length()); | Table& table=*new Table(&columns, connection_cache.count()); |
| connection_cache.for_each(add_connections_to_status_cache_table, &table); | connection_cache.for_each(add_connections_to_status_cache_table, &table); |
| result.hash(source).put(*new String("cache"), new VTable(&table)); | result->get_hash()->put(*new String("cache"), new VTable(&table)); |
| }*/ | } |
| return result; | return result; |
| } | } |