2 * appdomain.c: AppDomain functions
5 * Dietmar Maurer (dietmar@ximian.com)
7 * Gonzalo Paniagua Javier (gonzalo@ximian.com)
9 * (c) 2001-2003 Ximian, Inc. (http://www.ximian.com)
16 #include <mono/os/gc_wrapper.h>
18 #include <mono/metadata/object.h>
19 #include <mono/metadata/appdomain.h>
20 #include <mono/metadata/assembly.h>
21 #include <mono/metadata/exception.h>
22 #include <mono/metadata/threads.h>
23 #include <mono/metadata/socket-io.h>
24 #include <mono/metadata/tabledefs.h>
25 #include <mono/metadata/gc-internal.h>
27 HANDLE mono_delegate_semaphore = NULL;
28 CRITICAL_SECTION mono_delegate_section;
30 static gunichar2 process_guid [36];
31 static gboolean process_guid_set = FALSE;
34 mono_domain_assembly_preload (MonoAssemblyName *aname,
35 gchar **assemblies_path,
39 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data);
42 look_for_method_by_name (MonoClass *klass, const gchar *name);
46 * @domain: domain returned by mono_init ()
48 * Initialize the core AppDomain: this function will run also some
49 * IL initialization code, so it needs the execution engine to be fully
52 * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where
53 * we know the entry_assembly.
57 mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb,
58 MonoThreadAttachCB attach_cb)
60 MonoAppDomainSetup *setup;
64 mono_install_assembly_preload_hook (mono_domain_assembly_preload, NULL);
65 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
66 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
68 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
69 setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
71 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
72 ad = (MonoAppDomain *) mono_object_new (domain, class);
75 domain->setup = setup;
77 mono_delegate_semaphore = CreateSemaphore (NULL, 0, 0x7fffffff, NULL);
78 g_assert (mono_delegate_semaphore != INVALID_HANDLE_VALUE);
79 InitializeCriticalSection (&mono_delegate_section);
81 mono_context_init (domain);
82 mono_context_set (domain->default_context);
84 mono_thread_init (start_cb, attach_cb);
86 /* GC init has to happen after thread init */
95 mono_context_init (MonoDomain *domain)
98 MonoAppContext *context;
100 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
101 context = (MonoAppContext *) mono_object_new (domain, class);
102 context->domain_id = domain->domain_id;
103 context->context_id = 0;
104 domain->default_context = context;
107 /* This must not be called while there are still running threads executing
111 mono_runtime_cleanup (MonoDomain *domain)
113 /* This ends up calling any pending pending (for at most 2 seconds) */
116 mono_network_cleanup ();
119 static MonoDomainFunc quit_function = NULL;
122 mono_runtime_install_cleanup (MonoDomainFunc func)
124 quit_function = func;
130 if (quit_function != NULL)
131 quit_function (mono_root_domain, NULL);
135 mono_domain_has_type_resolve (MonoDomain *domain)
137 static MonoClassField *field = NULL;
141 MonoClass *klass = mono_defaults.appdomain_class;
144 for (i = 0; i < klass->field.count; ++i)
145 if (strcmp (klass->fields [i].name, "TypeResolve") == 0)
146 field = &klass->fields [i];
150 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
154 MonoReflectionAssembly *
155 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
159 static MonoMethod *method = NULL;
161 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
163 if (method == NULL) {
164 klass = domain->domain->mbr.obj.vtable->klass;
167 method = look_for_method_by_name (klass, "DoTypeResolve");
168 if (method == NULL) {
169 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
175 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
178 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
182 ves_icall_System_AppDomainSetup_InitAppDomainSetup (MonoAppDomainSetup *setup)
184 MonoDomain* domain = mono_domain_get ();
185 MonoAssembly *assembly;
187 gchar *config_suffix;
191 if (!domain->entry_assembly)
192 assembly = mono_root_domain->entry_assembly;
194 assembly = domain->entry_assembly;
198 setup->application_base = mono_string_new (domain, assembly->basedir);
200 config_suffix = g_strconcat (assembly->aname.name, ".exe.config", NULL);
201 str = g_build_filename (assembly->basedir, config_suffix, NULL);
202 g_free (config_suffix);
203 setup->configuration_file = mono_string_new (domain, str);
208 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
210 MonoDomain *add = ad->data;
216 g_assert (ad != NULL);
217 g_assert (name != NULL);
219 str = mono_string_to_utf8 (name);
221 mono_domain_lock (add);
223 if (!strcmp (str, "APPBASE"))
224 o = (MonoObject *)add->setup->application_base;
225 else if (!strcmp (str, "APP_CONFIG_FILE"))
226 o = (MonoObject *)add->setup->configuration_file;
227 else if (!strcmp (str, "DYNAMIC_BASE"))
228 o = (MonoObject *)add->setup->dynamic_base;
229 else if (!strcmp (str, "APP_NAME"))
230 o = (MonoObject *)add->setup->application_name;
231 else if (!strcmp (str, "CACHE_BASE"))
232 o = (MonoObject *)add->setup->cache_path;
233 else if (!strcmp (str, "PRIVATE_BINPATH"))
234 o = (MonoObject *)add->setup->private_bin_path;
235 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
236 o = (MonoObject *)add->setup->private_bin_path_probe;
237 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
238 o = (MonoObject *)add->setup->shadow_copy_directories;
239 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
240 o = (MonoObject *)add->setup->shadow_copy_files;
242 o = mono_g_hash_table_lookup (add->env, name);
244 mono_domain_unlock (add);
254 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
256 MonoDomain *add = ad->data;
260 g_assert (ad != NULL);
261 g_assert (name != NULL);
263 mono_domain_lock (add);
265 mono_g_hash_table_insert (add->env, name, data);
267 mono_domain_unlock (add);
271 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
275 g_assert (ad != NULL);
276 g_assert (ad->data != NULL);
278 return ad->data->setup;
282 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
286 g_assert (ad != NULL);
287 g_assert (ad->data != NULL);
289 return mono_string_new (ad->data, ad->data->friendly_name);
293 ves_icall_System_AppDomain_getCurDomain ()
295 MonoDomain *add = mono_domain_get ();
303 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
305 /*MonoDomain *domain = mono_domain_get (); */
312 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
314 /* FIXME: pin all those objects */
315 data = mono_domain_create();
317 ad = (MonoAppDomain *) mono_object_new (data, adclass);
321 data->friendly_name = mono_string_to_utf8 (friendly_name);
323 mono_context_init (data);
325 /* FIXME: what to do next ? */
334 } add_assembly_helper_t;
337 add_assembly (gpointer key, gpointer value, gpointer user_data)
339 add_assembly_helper_t *ah = (add_assembly_helper_t *) user_data;
341 mono_array_set (ah->res, gpointer, ah->idx++, mono_assembly_get_object (ah->domain, value));
345 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad)
347 MonoDomain *domain = ad->data;
348 static MonoClass *System_Reflection_Assembly;
350 add_assembly_helper_t ah;
354 if (!System_Reflection_Assembly)
355 System_Reflection_Assembly = mono_class_from_name (
356 mono_defaults.corlib, "System.Reflection", "Assembly");
358 res = mono_array_new (domain, System_Reflection_Assembly, g_hash_table_size (domain->assemblies));
363 mono_domain_lock (domain);
364 g_hash_table_foreach (domain->assemblies, add_assembly, &ah);
365 mono_domain_unlock (domain);
371 * Used to find methods in AppDomain class.
372 * It only works if there are no multiple signatures for any given method name
375 look_for_method_by_name (MonoClass *klass, const gchar *name)
380 for (i = 0; i < klass->method.count; i++) {
381 method = klass->methods [i];
382 if (!strcmp (method->name, name))
389 static MonoReflectionAssembly *
390 try_assembly_resolve (MonoDomain *domain, MonoString *fname)
396 g_assert (domain != NULL && fname != NULL);
398 klass = domain->domain->mbr.obj.vtable->klass;
401 method = look_for_method_by_name (klass, "DoAssemblyResolve");
402 if (method == NULL) {
403 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
408 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
412 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass)
416 if (g_hash_table_lookup (domain->assemblies, ass->aname.name))
417 return; /* This is ok while no lazy loading of assemblies */
419 mono_domain_lock (domain);
420 g_hash_table_insert (domain->assemblies, (gpointer) ass->aname.name, ass);
421 mono_domain_unlock (domain);
423 for (i = 0; ass->image->references [i] != NULL; i++)
424 add_assemblies_to_domain (domain, ass->image->references [i]);
428 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
430 MonoDomain *domain = mono_domain_get ();
431 MonoReflectionAssembly *ref_assembly;
436 klass = domain->domain->mbr.obj.vtable->klass;
439 method = look_for_method_by_name (klass, "DoAssemblyLoad");
440 if (method == NULL) {
441 g_warning ("Method AppDomain.DoAssemblyLoad not found.\n");
445 add_assemblies_to_domain (domain, assembly);
447 ref_assembly = mono_assembly_get_object (domain, assembly);
448 g_assert (ref_assembly);
450 *params = ref_assembly;
451 mono_runtime_invoke (method, domain->domain, params, NULL);
455 set_domain_search_path (MonoDomain *domain)
457 MonoAppDomainSetup *setup;
462 gchar **pvt_split = NULL;
463 GError *error = NULL;
465 if ((domain->search_path != NULL) && !domain->setup->path_changed)
468 setup = domain->setup;
469 if (setup->application_base)
472 if (setup->private_bin_path) {
473 utf8 = mono_string_to_utf8 (setup->private_bin_path);
474 pvt_split = g_strsplit (utf8, G_SEARCHPATH_SEPARATOR_S, 1000);
476 for (tmp = pvt_split; *tmp; tmp++, npaths++);
481 g_strfreev (pvt_split);
483 * Don't do this because the first time is called, the domain
484 * setup is not finished.
486 * domain->search_path = g_malloc (sizeof (char *));
487 * domain->search_path [0] = NULL;
492 if (domain->search_path)
493 g_strfreev (domain->search_path);
495 domain->search_path = tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
497 if (setup->application_base) {
498 *tmp = mono_string_to_utf8 (setup->application_base);
500 /* FIXME: is this needed? */
501 if (strncmp (*tmp, "file://", 7) == 0) {
506 uri = g_strdup_printf ("file:///%s", uri + 7);
508 *tmp = g_filename_from_uri (uri, NULL, &error);
513 g_warning ("%s\n", error->message);
514 g_error_free (error);
522 *tmp = g_strdup ("");
525 for (i = 1; pvt_split && i < npaths; i++) {
526 if (*tmp [0] == '\0' || g_path_is_absolute (pvt_split [i - 1])) {
527 tmp [i] = g_strdup (pvt_split [i - 1]);
531 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
534 if (setup->private_bin_path_probe != NULL && setup->application_base) {
536 tmp [0] = g_strdup ("");
539 domain->setup->path_changed = FALSE;
541 g_strfreev (pvt_split);
544 static MonoAssembly *
545 real_load (gchar **search_path, gchar *filename)
547 MonoAssembly *result;
551 for (path = search_path; *path; path++) {
553 continue; /* Ignore empty ApplicationBase */
554 fullpath = g_build_filename (*path, filename, NULL);
555 result = mono_assembly_open (fullpath, NULL);
565 * Try loading the assembly from ApplicationBase and PrivateBinPath
566 * and then from assemblies_path if any.
568 static MonoAssembly *
569 mono_domain_assembly_preload (MonoAssemblyName *aname,
570 gchar **assemblies_path,
573 MonoDomain *domain = mono_domain_get ();
574 MonoAssembly *result;
577 set_domain_search_path (domain);
579 dll = g_strconcat (aname->name, ".dll", NULL);
580 exe = g_strdup (dll);
581 strcpy (exe + strlen (exe) - 4, ".exe");
583 if (domain->search_path && domain->search_path [0] != NULL) {
584 /* TODO: should also search in name/name.dll and name/name.exe from appbase */
585 result = real_load (domain->search_path, dll);
592 result = real_load (domain->search_path, exe);
600 if (assemblies_path && assemblies_path [0] != NULL) {
601 result = real_load (assemblies_path, dll);
608 result = real_load (assemblies_path, exe);
621 MonoReflectionAssembly *
622 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname)
624 MonoDomain *domain = mono_domain_get ();
625 char *name, *filename;
626 MonoImageOpenStatus status = MONO_IMAGE_OK;
632 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
633 mono_raise_exception (exc);
636 name = filename = mono_string_to_utf8 (fname);
638 ass = mono_assembly_open (filename, &status);
643 MonoException *exc = mono_get_exception_file_not_found (fname);
644 mono_raise_exception (exc);
647 return mono_assembly_get_object (domain, ass);
651 free_assembly_name (MonoAssemblyName *aname)
656 g_free ((void *) aname->name);
657 g_free ((void *) aname->culture);
658 g_free ((void *) aname->hash_value);
662 get_info_from_assembly_name (MonoReflectionAssemblyName *assRef, MonoAssemblyName *aname)
668 gint major, minor, build, revision;
670 memset (aname, 0, sizeof (MonoAssemblyName));
672 name = mono_string_to_utf8 (assRef->name);
673 parts = tmp = g_strsplit (name, ",", 4);
680 value = g_strstrip (*tmp);
681 /* g_print ("Assembly name: %s\n", value); */
682 aname->name = g_strdup (value);
689 value = g_strstrip (*tmp);
690 if (strncmp (value, "Version=", 8)) {
695 if (sscanf (value + 8, "%u.%u.%u.%u", &major, &minor, &build, &revision) != 4) {
700 /* g_print ("Version: %u.%u.%u.%u\n", major, minor, build, revision); */
701 aname->major = major;
702 aname->minor = minor;
703 aname->build = build;
704 aname->revision = revision;
712 value = g_strstrip (*tmp);
713 if (strncmp (value, "Culture=", 8)) {
718 /* g_print ("Culture: %s\n", aname->culture); */
719 aname->culture = g_strstrip (g_strdup (value + 8));
727 value = g_strstrip (*tmp);
728 if (strncmp (value, "PublicKeyToken=", 15)) {
734 if (*value && strcmp (value, "null")) {
739 value = g_strstrip (g_strdup (value));
740 len = strlen (value);
747 aname->hash_len = len / 2;
748 aname->hash_value = g_malloc0 (aname->hash_len);
749 result = (gchar *) aname->hash_value;
751 for (i = 0; i < len; i++) {
753 l = g_ascii_xdigit_value (value [i]);
759 result [i / 2] = (h * 16) + l;
761 h = g_ascii_xdigit_value (value [i]);
772 g_print ("PublicKeyToken: ");
773 for (i = 0; i < aname->hash_len; i++) {
774 g_print ("%x", 0x00FF & aname->hash_value [i]);
784 MonoReflectionAssembly *
785 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoReflectionAssemblyName *assRef, MonoObject *evidence)
787 MonoDomain *domain = ad->data;
788 MonoImageOpenStatus status = MONO_IMAGE_OK;
790 MonoAssemblyName aname;
791 MonoReflectionAssembly *refass = NULL;
795 memset (&aname, 0, sizeof (aname));
797 /* FIXME : examine evidence? */
799 g_assert (assRef != NULL);
800 g_assert (assRef->name != NULL);
802 if (!get_info_from_assembly_name (assRef, &aname)) {
805 free_assembly_name (&aname);
806 /* This is a parse error... */
807 exc = mono_get_exception_file_not_found (assRef->name);
808 mono_raise_exception (exc);
811 ass = mono_assembly_load (&aname, NULL, &status);
812 free_assembly_name (&aname);
814 if (!ass && (refass = try_assembly_resolve (domain, assRef->name)) == NULL){
815 /* FIXME: it doesn't make much sense since we really don't have a filename ... */
816 MonoException *exc = mono_get_exception_file_not_found (assRef->name);
817 mono_raise_exception (exc);
823 return mono_assembly_get_object (domain, ass);
827 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
829 MonoDomain * domain = mono_domain_get_by_id (domain_id);
833 if (NULL == domain) {
834 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
835 mono_raise_exception (exc);
839 mono_domain_unload (domain, FALSE);
843 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad, MonoString *file,
844 MonoObject *evidence, MonoArray *args)
846 MonoAssembly *assembly;
854 filename = mono_string_to_utf8 (file);
855 assembly = mono_assembly_open (filename, NULL);
859 mono_raise_exception ((MonoException *)mono_exception_from_name (
860 mono_defaults.corlib, "System.IO", "FileNotFoundException"));
863 image = assembly->image;
865 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
868 g_error ("No entry point method found in %s", image->name);
871 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
873 res = mono_runtime_exec_main (method, (MonoArray *)args, NULL);
879 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
883 return ad->data->domain_id;
887 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
889 MonoDomain *old_domain = mono_domain_get();
893 mono_domain_set(ad->data);
895 return old_domain->domain;
899 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
901 MonoDomain *current_domain = mono_domain_get ();
902 MonoDomain *domain = mono_domain_get_by_id (domainid);
906 mono_domain_set (domain);
908 return current_domain->domain;
912 ves_icall_System_AppDomain_InternalGetContext ()
916 return mono_context_get ();
920 ves_icall_System_AppDomain_InternalGetDefaultContext ()
924 return mono_domain_get ()->default_context;
928 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
930 MonoAppContext *old_context = mono_context_get ();
934 mono_context_set (mc);
940 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
942 mono_domain_lock (mono_root_domain);
943 if (process_guid_set) {
944 mono_domain_unlock (mono_root_domain);
945 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
947 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
948 process_guid_set = TRUE;
949 mono_domain_unlock (mono_root_domain);