--- parser3/src/main/pa_globals.C 2001/03/18 11:58:19 1.9 +++ parser3/src/main/pa_globals.C 2003/12/11 10:25:52 1.164 @@ -1,58 +1,48 @@ -/* - Parser - Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) - Author: Alexander Petrosyan (http://design.ru/paf) +/** @file + Parser: globals. - $Id: pa_globals.C,v 1.9 2001/03/18 11:58:19 paf Exp $ + Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com) + Author: Alexandr Petrosian (http://paf.design.ru) */ -#include "pa_globals.h" -#include "_string.h" -#include "_double.h" -#include "_int.h" -#include "_table.h" -#include "_form.h" -#include "_env.h" -#include "_request.h" -#include "_response.h" - -Service_funcs service_funcs; - -String *content_type_name; -String *body_name; +static const char * const IDENT_GLOBALS_C="$Date: 2003/12/11 10:25:52 $"; -String *exception_method_name; +#include "pa_config_includes.h" -String *unnamed_name; -String *empty_string; +#ifdef XML +#include "libxml/xmlversion.h" +#include "libxslt/extensions.h" +#include "libxslt/xsltutils.h" +extern "C" { +#include "libexslt/exslt.h" +}; +#endif -String *auto_method_name; -String *main_method_name; +#include "pcre.h" -String *root_class_name; -String *main_class_name; -String *env_class_name; -String *table_class_name; -String *form_class_name; -String *request_class_name; -String *response_class_name; +#include "pa_globals.h" +#include "pa_string.h" +#include "pa_sapi.h" +#include "pa_threads.h" +#include "pa_xml_io.h" +#include "pa_common.h" -String *result_var_name; +#include "pa_cache_managers.h" -String *limits_name; -String *post_max_size_name; +// defines -String *defaults_name; +//#define PA_DEBUG_XML_GC_MEMORY -Hash *untaint_lang_name2enum; +// globals short hex_value[0x100]; +#ifdef XML +GdomeDOMImplementation *domimpl; +#endif + static void setup_hex_value() { - int i; - for (i=0; (i < 0x100); i++) { - hex_value[i] = 0; - } + memset(hex_value, 0, sizeof(hex_value)); hex_value['0'] = 0; hex_value['1'] = 1; hex_value['2'] = 2; @@ -77,65 +67,349 @@ static void setup_hex_value() { hex_value['f'] = 15; } -void globals_init(Pool& pool) { + +Hash thread_request; +void pa_register_thread_request(Request& r) { + thread_request.put(pa_get_thread_id(), &r); +} +/// retrives request set by pa_set_request function, useful in contextless places [slow] +Request& pa_thread_request() { + return *thread_request.get(pa_get_thread_id()); +} + +#ifdef XML + +class XML_Generic_error_info { +public: + char buf[MAX_STRING]; + size_t used; +public: + XML_Generic_error_info() { + reset(); + } + void reset() { + buf[used=0]=0; + } + const char* get_and_reset() { + char* result=new(PointerFreeGC) char[used+1]; + memcpy(result, buf, used+1); + reset(); + return result; + } +}; + +Hash xml_generic_error_infos; + +static void xmlParserGenericErrorFunc(void * /*ctx*/, const char* msg, ...) { +//_asm int 3; + pa_thread_t thread_id=pa_get_thread_id(); + + // infinitely looking for free slot to fill it + while(true) { + SYNCHRONIZED; // find+fill blocked + + // first try to get existing for this thread_id + XML_Generic_error_info *p=xml_generic_error_infos.get(thread_id); + if(!p) // occupy empty one + xml_generic_error_infos.put(thread_id, (p=new(PointerFreeGC) XML_Generic_error_info)); + + va_list args; + va_start(args, msg); + p->used+=vsnprintf(p->buf+p->used, sizeof(p->buf)-p->used, msg, args); + va_end(args); + + break; + } +} + +bool xmlHaveGenericErrors() { + pa_thread_t thread_id=pa_get_thread_id(); + + SYNCHRONIZED; // find blocked + + return xml_generic_error_infos.get(thread_id)!=0; +} + +const char* xmlGenericErrors() { + pa_thread_t thread_id=pa_get_thread_id(); + + SYNCHRONIZED; // find+free blocked + + if(XML_Generic_error_info *p=xml_generic_error_infos.get(thread_id)) + return p->get_and_reset(); + + return 0; // no errors for our thread_id registered +} + +#endif + +void pa_globals_destroy(void *) { + try { +#ifdef XML + GdomeException exc; + gdome_di_unref (domimpl, &exc); + // uncomment SAPI::abort below if adding potential-throw code here +#endif + } catch(const Exception& e) { +// SAPI::abort("pa_globals_destroy failed: %s", e.comment()); + } +} + + +#ifdef XML + +static char *pa_GC_strdup(const char *s) { + if(!s) + return 0; + + size_t size=strlen(s)+1; + char *result=(char *)GC_malloc_atomic(size); + if(!result) + SAPI::abort("out of memory (while duplicating XML string [size=%d])", size); + + memcpy(result, s, size); + return result; +} + +#ifdef PA_DEBUG_XML_GC_MEMORY +void *pa_look_for[]={(void*)0x8abe000,(void*)0x0,(void*)0x0,(void*)0x0, + (void*)0x0,(void*)0x0,(void*)0x0,(void*)0x0}; +bool pa_looked(void*p) { + for(int i=0; i<8; i++) + if(pa_look_for[i]==p) + return true; + return false; +} +static void* pa_gc_malloc_log(size_t size){ + void *p=pa_gc_malloc(size); + fprintf(stderr, "pa_gc_malloc_log(%d)=0x%p\n", size, p); +// if(pa_looked(p)) +// fprintf(stderr,"catched debug malloc(%d)=0x%p\n", size, p); + return p; + +} +static void* pa_gc_malloc_atomic_log(size_t size){ + void *p=pa_gc_malloc_atomic(size); + fprintf(stderr, "pa_gc_malloc_atomic_log(%d)=0x%p\n", size, p); +// if(pa_looked(p)) +// fprintf(stderr,"catched debug malloc atomic(%d)=0x%p\n", size, p); + return p; +} +static void* pa_gc_realloc_log(void *ptr, size_t size){ + void *p=pa_gc_realloc(ptr, size); + fprintf(stderr, "pa_gc_realloc_log(0x%p, %d)=0x%p\n", ptr, size, p); +// if(pa_looked(p)) +// fprintf(stderr,"catched debug realloc(%d)=0x%p\n", size, p); + return p; +} +//static void pa_gc_free_ignore(void *){} +static void pa_gc_free_log(void *p){ + fprintf(stderr, "pa_gc_free_log(0x%p)\n", p); +// if(pa_looked(p)) +// fprintf(stderr,"catched debug free(0x%p)\n", p); + pa_gc_free(p); +} +#else + +inline void *check(void *result, const char *where, size_t size) { + if(!result) + SAPI::abort("out of memory (while %s [size=%d])", where, size); + + return result; +} +static void* pa_gc_malloc_nonull(size_t size) { + return check(pa_gc_malloc(size), "allocating XML compsite memory", size); +} +static void* pa_gc_malloc_atomic_nonull(size_t size) { + return check(pa_gc_malloc_atomic(size), "allocating XML atomic memory", size); +} +static void* pa_gc_realloc_nonull(void* ptr, size_t size) { + return check(pa_gc_realloc(ptr, size), "reallocating XML memory", size); +} + +#endif +#endif + +void pa_CORD_oom_fn(void) { + SAPI::abort("out of memory (while expanding string)"); +} + +/** + @todo gc: libltdl: substitute lt_dlmalloc & co +*/ +static void gc_substitute_memory_management_functions() { + // in libxml & libxslt +#ifdef XML + // asking to use GC memory +#if LIBXML_VERSION >= 20507 +#ifdef PA_DEBUG_XML_GC_MEMORY + xmlGcMemSetup( + /*xmlFreeFunc */pa_gc_free_log, + /*xmlMallocFunc */pa_gc_malloc_log, + /*xmlMallocFunc */pa_gc_malloc_atomic_log, + /*xmlReallocFunc */pa_gc_realloc_log, + /*xmlStrdupFunc */pa_GC_strdup); +#else + xmlGcMemSetup( + /*xmlFreeFunc */pa_gc_free, + /*xmlMallocFunc */pa_gc_malloc_nonull, + /*xmlMallocFunc */pa_gc_malloc_atomic_nonull, + /*xmlReallocFunc */pa_gc_realloc_nonull, + /*xmlStrdupFunc */pa_GC_strdup); +#endif + +#else + xmlMemSetup( + /*xmlFreeFunc */pa_gc_free, + /*xmlMallocFunc */pa_gc_malloc, + /*xmlReallocFunc */pa_gc_realloc, + /*xmlStrdupFunc */pa_GC_strdup); +#endif + +#endif + + // pcre + pcre_malloc=pa_gc_malloc; + pcre_free=pa_gc_free; + + + // cord + CORD_oom_fn=pa_CORD_oom_fn; +} + +/** + @test hint on one should call this for each thread xmlSubstituteEntitiesDefault(1); +*/ +void pa_globals_init() { + // global variables + cache_managers=new Cache_managers; + + + // in various libraries + gc_substitute_memory_management_functions(); + // hex value setup_hex_value(); - #define NEW_STRING(name, value) name=new(pool) String(pool); name->APPEND_CONST(value) - #define LOCAL_STRING(name, value) String name(pool); name.APPEND_CONST(value) +#ifdef XML + // initializing xml libs + + /* First get a DOMImplementation reference */ + domimpl = gdome_di_mkref (); + /* + * Register the EXSLT extensions and the test module + */ + exsltRegisterAll(); + xsltRegisterTestModule(); + xmlDefaultSAXHandlerInit(); + /* + * disable CDATA from being built in the document tree + */ + // never added yet xmlDefaultSAXHandler.cdataBlock = NULL; + + /* + * Initialization function for the XML parser. + * This is not reentrant. Call once before processing in case of + * use in multithreaded programs. + */ + xmlInitParser(); + + // 1. this is needed for proper parsing of stylesheets + // there were a situation where honest entity ruined innocent xpath compilation + // doc says "you sould turn it on on stylesheet load" without deepening into details + // 2. when dom tree with entites goes under transform text nodes + // got [erroreosly] cut on first entity occurance + // -- + // that is why this is: + xmlSubstituteEntitiesDefault(1); + + // Bit in the loadsubset context field to tell to do ID/REFs lookups + xmlLoadExtDtdDefaultValue |= XML_DETECT_IDS; + // Bit in the loadsubset context field to tell to do complete the elements attributes lists + // with the ones defaulted from the DTDs + xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS; + + // validate each document after load/create (?) + //xmlDoValidityCheckingDefaultValue = 1; + +//regretfully this not only replaces entities on parse, but also on generate xmlSubstituteEntitiesDefault(1); + // never switched this on xmlIndentTreeOutput=1; + + xmlSetGenericErrorFunc(0, xmlParserGenericErrorFunc); + xsltSetGenericErrorFunc(0, xmlParserGenericErrorFunc); +// FILE *f=fopen("y:\\xslt.log", "wt"); +// xsltSetGenericDebugFunc(f/*stderr*/, 0); - // names - NEW_STRING(content_type_name, CONTENT_TYPE_NAME); - NEW_STRING(body_name, BODY_NAME); - - NEW_STRING(exception_method_name, EXCEPTION_METHOD_NAME); - - NEW_STRING(unnamed_name, UNNAMED_NAME); - empty_string=new(pool) String(pool); - - NEW_STRING(auto_method_name, AUTO_METHOD_NAME); - NEW_STRING(main_method_name, MAIN_METHOD_NAME); - - NEW_STRING(root_class_name, ROOT_CLASS_NAME); - NEW_STRING(main_class_name, MAIN_CLASS_NAME); - NEW_STRING(table_class_name, TABLE_CLASS_NAME); - NEW_STRING(env_class_name, ENV_CLASS_NAME); - NEW_STRING(form_class_name, FORM_CLASS_NAME); - NEW_STRING(request_class_name, REQUEST_CLASS_NAME); - NEW_STRING(response_class_name, RESPONSE_CLASS_NAME); - - NEW_STRING(result_var_name, RESULT_VAR_NAME); - - - NEW_STRING(limits_name, LIMITS_NAME); - NEW_STRING(post_max_size_name, POST_MAX_SIZE_NAME); - - NEW_STRING(defaults_name, DEFAULTS_NAME); - - // hashes - untaint_lang_name2enum=new(pool) Hash(pool); - LOCAL_STRING(as_is, "as-is"); - untaint_lang_name2enum->put(as_is, (int)String::Untaint_lang::AS_IS); - LOCAL_STRING(table, "table"); - untaint_lang_name2enum->put(table, (int)String::Untaint_lang::TABLE); - LOCAL_STRING(sql, "sql"); - untaint_lang_name2enum->put(sql, (int)String::Untaint_lang::SQL); - LOCAL_STRING(js, "js"); - untaint_lang_name2enum->put(js, (int)String::Untaint_lang::JS); - LOCAL_STRING(html, "html"); - untaint_lang_name2enum->put(html, (int)String::Untaint_lang::HTML); - LOCAL_STRING(html_typo, "html-typo"); - untaint_lang_name2enum->put(html_typo, (int)String::Untaint_lang::HTML_TYPO); - - // read-only stateless classes - initialize_string_class(pool, *(string_class=new(pool) VStateless_class(pool))); string_class->freeze(); - initialize_double_class(pool, *(double_class=new(pool) VStateless_class(pool))); double_class->freeze(); - initialize_int_class(pool, *(int_class=new(pool) VStateless_class(pool))); int_class->freeze(); - initialize_table_class(pool, *(table_class=new(pool) VStateless_class(pool))); table_class->freeze(); - - // read-only stateless base classes - initialize_env_base_class(pool, *(env_base_class=new(pool) VStateless_class(pool))); env_base_class->set_name(*env_class_name); env_base_class->freeze(); - initialize_form_base_class(pool, *(form_base_class=new(pool) VStateless_class(pool))); form_base_class->set_name(*form_class_name); form_base_class->freeze(); - initialize_request_base_class(pool, *(request_base_class=new(pool) VStateless_class(pool))); request_base_class->set_name(*request_class_name); request_base_class->freeze(); - initialize_response_base_class(pool, *(response_base_class=new(pool) VStateless_class(pool))); response_base_class->set_name(*response_class_name); response_base_class->freeze(); + pa_xml_io_init(); +#endif } + +#ifdef _MSC_VER + +#ifndef PA_DEBUG_DISABLE_GC +# define GC_LIB "../../../../win32/gc" +# ifdef _DEBUG +# pragma comment(lib, GC_LIB "/Debug/gc.lib") +# else +# pragma comment(lib, GC_LIB "/Release/gc.lib") +# endif + +#endif + +#ifdef XML +# define GNOME_LIBS "../../../../win32/gnome" +# pragma comment(lib, GNOME_LIBS "/glib/lib/libglib-1.3-11.lib") +# ifdef _DEBUG + +# ifdef LIBXML_STATIC +# pragma comment(lib, GNOME_LIBS "/gnome-xml/win32/binaries-debug/libxml2_a.lib") +# else +# pragma comment(lib, GNOME_LIBS "/gnome-xml/win32/binaries-debug/libxml2.lib") +# endif + +# ifdef LIBXSLT_STATIC +# pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_DebugStatic/libxslt.lib") +# else +# pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_DebugDynamic/libxslt.lib") +# endif +# ifdef LIBEXSLT_STATIC +# pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_DebugStatic/libexslt.lib") +# else +# pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_DebugDynamic/libexslt.lib") +# endif + +# ifdef LIBGDOME_STATIC +# pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/dsp/libgdome_DebugStatic/libgdome.lib") +# else +# pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/dsp/libgdome_DebugDynamic/libgdome.lib") +# endif + +#else + +# ifdef LIBXML_STATIC +# pragma comment(lib, GNOME_LIBS "/gnome-xml/win32/binaries-release/libxml2_a.lib") +# else +# pragma comment(lib, GNOME_LIBS "/gnome-xml/win32/binaries-release/libxml2.lib") +# endif + +# ifdef LIBXSLT_STATIC +# pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_ReleaseStatic/libxslt.lib") +# else +# pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_ReleaseDynamic/libxslt.lib") +# endif +# ifdef LIBEXSLT_STATIC +# pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_ReleaseStatic/libexslt.lib") +# else +# pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_ReleaseDynamic/libexslt.lib") +# endif + +# ifdef LIBGDOME_STATIC +# pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/dsp/libgdome_ReleaseStatic/libgdome.lib") +# else +# pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/dsp/libgdome_ReleaseDynamic/libgdome.lib") +# endif + +# endif +#endif + +#endif