/* * Called with a service object on the top of the stack. Returns with a message object on top of * the stack replacing the service object. */ static void MessageSetup(duk_context* ctx, const char* iface, const char* member, const char* path, uint8_t msgType) { AJ_Status status; AJ_MsgHeader hdr; AJ_Message msg; AJS_MsgInfo* msgInfo; const char* dest; uint8_t secure; size_t dlen; duk_idx_t objIdx = duk_push_object(ctx); /* * Get the destination from the service object */ duk_get_prop_string(ctx, -2, "dest"); dest = duk_get_lstring(ctx, -1, &dlen); duk_pop(ctx); /* * If this is not a broadcast message make sure the destination peer is still connected */ if (dlen) { CheckPeerIsAlive(ctx, dest); } /* * Initialize a message struct so we can lookup the message id. We do this now because it is * alot more efficient if the method object we are creating is used multiple times. */ memset(&msg, 0, sizeof(AJ_Message)); memset(&hdr, 0, sizeof(AJ_MsgHeader)); msg.hdr = &hdr; msg.signature = "*"; msg.member = member; msg.iface = iface; msg.objPath = path ? path : AJS_GetStringProp(ctx, -2, "path"); /* * This allows us to use one object table entry for all messages */ AJS_SetObjectPath(msg.objPath); hdr.msgType = msgType; status = AJ_LookupMessageId(&msg, &secure); if (status != AJ_OK) { duk_error(ctx, DUK_ERR_REFERENCE_ERROR, "Unknown %s %s", path ? "SIGNAL" : "METHOD", member); } /* * Buffer to caching message information stored in the "info" property on the method object */ msgInfo = duk_push_fixed_buffer(ctx, sizeof(AJS_MsgInfo) + dlen + 1); msgInfo->secure = secure; msgInfo->session = AJS_GetIntProp(ctx, -2, "session"); msgInfo->msgId = msg.msgId; memcpy(msgInfo->dest, dest, dlen); msgInfo->dest[dlen] = 0; duk_put_prop_string(ctx, objIdx, "info"); AJ_ASSERT(duk_get_top_index(ctx) == objIdx); /* * Remove sessions object and leave the message object on the top of the stack */ duk_remove(ctx, -2); }
DUK_EXTERNAL void duk_push_context_dump(duk_context *ctx) { duk_idx_t idx; duk_idx_t top; /* We don't duk_require_stack() here now, but rely on the caller having * enough space. */ top = duk_get_top(ctx); duk_push_array(ctx); for (idx = 0; idx < top; idx++) { duk_dup(ctx, idx); duk_put_prop_index(ctx, -2, idx); } /* XXX: conversion errors should not propagate outwards. * Perhaps values need to be coerced individually? */ duk_bi_json_stringify_helper(ctx, duk_get_top_index(ctx), /*idx_value*/ DUK_INVALID_INDEX, /*idx_replacer*/ DUK_INVALID_INDEX, /*idx_space*/ DUK_JSON_FLAG_EXT_CUSTOM | DUK_JSON_FLAG_ASCII_ONLY | DUK_JSON_FLAG_AVOID_KEY_QUOTES /*flags*/); duk_push_sprintf(ctx, "ctx: top=%ld, stack=%s", (long) top, (const char *) duk_safe_to_string(ctx, -1)); duk_replace(ctx, -3); /* [ ... arr jsonx(arr) res ] -> [ ... res jsonx(arr) ] */ duk_pop(ctx); DUK_ASSERT(duk_is_string(ctx, -1)); }
static int Serializer_Write(duk_context* ctx) { duk_int_t magic = duk_get_current_magic(ctx); duk_push_this(ctx); // safe cast based on type check above Serializer* serial = CastToSerializer(ctx, duk_get_top_index(ctx)); duk_pop(ctx); if (!serial) { duk_push_boolean(ctx, 0); return 1; } const char* str; size_t length; IO_MAGIC_TYPE v = (IO_MAGIC_TYPE) magic; bool success = false; switch(v) { case IO_MAGIC_INT: success = serial->WriteInt((int) duk_require_number(ctx, 0)); break; case IO_MAGIC_STRING: str = duk_require_string(ctx, 0); length = strlen(str); success = serial->Write(str, length); /* if (length) { buffer.Resize(length); for (size_t i = 0; i < length; i++) buffer[i] = str[i]; serial->WriteBuffer(buffer); } */ break; case IO_MAGIC_ZEROSTRING: success = serial->WriteString(duk_require_string(ctx, 0)); break; default: break; } duk_push_boolean(ctx, success ? 1 : 0); return 1; }
static int Deserializer_Read(duk_context* ctx) { duk_int_t magic = duk_get_current_magic(ctx); duk_push_this(ctx); // safe cast based on type check above Deserializer* deserial = CastToDeserializer(ctx, duk_get_top_index(ctx)); duk_pop(ctx); if (!deserial) { duk_push_boolean(ctx, 0); return 1; } char* data; String str; size_t length; IO_MAGIC_TYPE v = (IO_MAGIC_TYPE) magic; bool success = false; switch(v) { case IO_MAGIC_INT: duk_push_number(ctx, (double) deserial->ReadInt()); return 1; case IO_MAGIC_STRING: length = deserial->GetSize() - deserial->GetPosition(); str.Resize(length + 1); deserial->Read(&str[0], length); str[length] = '\0'; duk_push_string(ctx, str.CString()); return 1; case IO_MAGIC_ZEROSTRING: success = duk_push_string(ctx, deserial->ReadString().CString()); return 1; case IO_MAGIC_BINARY: length = deserial->GetSize() - deserial->GetPosition(); duk_push_fixed_buffer(ctx, length); duk_push_buffer_object(ctx, -1, 0, length, DUK_BUFOBJ_UINT8ARRAY); duk_replace(ctx, -2); data = (char*) duk_require_buffer_data(ctx, 0, &length); success = deserial->Read(data, length); return 1; default: break; } duk_push_undefined(ctx); return 1; }
static int Deserializer_Read(duk_context* ctx) { duk_int_t magic = duk_get_current_magic(ctx); duk_push_this(ctx); // safe cast based on type check above Deserializer* deserial = CastToDeserializer(ctx, duk_get_top_index(ctx)); duk_pop(ctx); if (!deserial) { duk_push_boolean(ctx, 0); return 1; } PODVector<unsigned char> buffer; String str; size_t length; IO_MAGIC_TYPE v = (IO_MAGIC_TYPE) magic; bool success = false; switch(v) { case IO_MAGIC_INT: duk_push_number(ctx, (double) deserial->ReadInt()); return 1; case IO_MAGIC_STRING: length = deserial->GetSize() - deserial->GetPosition(); str.Resize(length + 1); deserial->Read(&str[0], length); str[length] = '\0'; duk_push_string(ctx, str.CString()); return 1; case IO_MAGIC_ZEROSTRING: success = duk_push_string(ctx, deserial->ReadString().CString()); return 1; default: break; } duk_push_undefined(ctx); return 1; }
static int Deserializer_GetSize(duk_context* ctx) { duk_push_this(ctx); // safe cast based on type check above Deserializer* deserial = CastToDeserializer(ctx, duk_get_top_index(ctx)); duk_pop(ctx); if (!deserial) { duk_push_boolean(ctx, 0); return 1; } duk_push_number(ctx, (double)deserial->GetSize()); return 1; }
static duk_ret_t test_func(duk_context *ctx, void *udata) { (void) udata; if (ctx) { printf("dummy - return here\n"); fflush(stdout); return 0; } /* Up-to-date for Duktape 1.3.0, alphabetical order: * $ cd website/api; ls *.yaml */ (void) duk_alloc_raw(ctx, 0); (void) duk_alloc(ctx, 0); (void) duk_base64_decode(ctx, 0); (void) duk_base64_encode(ctx, 0); (void) duk_buffer_to_string(ctx, 0); (void) duk_call_method(ctx, 0); (void) duk_call_prop(ctx, 0, 0); (void) duk_call(ctx, 0); (void) duk_char_code_at(ctx, 0, 0); (void) duk_check_stack_top(ctx, 0); (void) duk_check_stack(ctx, 0); (void) duk_check_type_mask(ctx, 0, 0); (void) duk_check_type(ctx, 0, 0); (void) duk_compact(ctx, 0); (void) duk_compile_lstring_filename(ctx, 0, "dummy", 0); (void) duk_compile_lstring(ctx, 0, "dummy", 0); (void) duk_compile_string_filename(ctx, 0, "dummy"); (void) duk_compile_string(ctx, 0, "dummy"); (void) duk_compile(ctx, 0); (void) duk_concat(ctx, 0); (void) duk_config_buffer(ctx, 0, NULL, 0); (void) duk_copy(ctx, 0, 0); (void) duk_create_heap_default(); (void) duk_create_heap(NULL, NULL, NULL, NULL, NULL); (void) duk_debugger_attach(ctx, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL); (void) duk_debugger_cooperate(ctx); (void) duk_debugger_detach(ctx); (void) duk_debugger_notify(ctx, 0); (void) duk_debugger_pause(ctx); (void) duk_decode_string(ctx, 0, NULL, NULL); (void) duk_def_prop(ctx, 0, 0); (void) duk_del_prop_index(ctx, 0, 0); (void) duk_del_prop_string(ctx, 0, "dummy"); (void) duk_del_prop(ctx, 0); (void) duk_destroy_heap(ctx); (void) duk_dump_function(ctx); (void) duk_dup_top(ctx); (void) duk_dup(ctx, 0); (void) duk_enum(ctx, 0, 0); (void) duk_equals(ctx, 0, 0); duk_error_va(ctx, 0, NULL, NULL); duk_error(ctx, 0, "dummy"); /* (void) cast won't work without variadic macros */ (void) duk_eval_lstring_noresult(ctx, "dummy", 0); (void) duk_eval_lstring(ctx, "dummy", 0); (void) duk_eval_noresult(ctx); (void) duk_eval_string_noresult(ctx, "dummy"); (void) duk_eval_string(ctx, "dummy"); (void) duk_eval(ctx); (void) duk_fatal(ctx, "dummy"); (void) duk_free_raw(ctx, NULL); (void) duk_free(ctx, NULL); (void) duk_gc(ctx, 0); (void) duk_get_boolean(ctx, 0); (void) duk_get_buffer_data(ctx, 0, NULL); (void) duk_get_buffer(ctx, 0, NULL); (void) duk_get_c_function(ctx, 0); (void) duk_get_context(ctx, 0); (void) duk_get_current_magic(ctx); (void) duk_get_error_code(ctx, 0); (void) duk_get_finalizer(ctx, 0); (void) duk_get_global_string(ctx, 0); (void) duk_get_heapptr(ctx, 0); (void) duk_get_int(ctx, 0); (void) duk_get_length(ctx, 0); (void) duk_get_lstring(ctx, 0, NULL); (void) duk_get_magic(ctx, 0); (void) duk_get_memory_functions(ctx, NULL); (void) duk_get_number(ctx, 0); (void) duk_get_pointer(ctx, 0); (void) duk_get_prop_index(ctx, 0, 0); (void) duk_get_prop_string(ctx, 0, "dummy"); (void) duk_get_prop(ctx, 0); (void) duk_get_prototype(ctx, 0); (void) duk_get_string(ctx, 0); (void) duk_get_top_index(ctx); (void) duk_get_top(ctx); (void) duk_get_type_mask(ctx, 0); (void) duk_get_type(ctx, 0); (void) duk_get_uint(ctx, 0); (void) duk_has_prop_index(ctx, 0, 0); (void) duk_has_prop_string(ctx, 0, "dummy"); (void) duk_has_prop(ctx, 0); (void) duk_hex_decode(ctx, 0); (void) duk_hex_encode(ctx, 0); (void) duk_insert(ctx, 0); (void) duk_instanceof(ctx, 0, 0); (void) duk_is_array(ctx, 0); (void) duk_is_boolean(ctx, 0); (void) duk_is_bound_function(ctx, 0); (void) duk_is_buffer(ctx, 0); (void) duk_is_callable(ctx, 0); (void) duk_is_c_function(ctx, 0); (void) duk_is_constructor_call(ctx); (void) duk_is_dynamic_buffer(ctx, 0); (void) duk_is_ecmascript_function(ctx, 0); (void) duk_is_error(ctx, 0); (void) duk_is_eval_error(ctx, 0); (void) duk_is_fixed_buffer(ctx, 0); (void) duk_is_function(ctx, 0); (void) duk_is_lightfunc(ctx, 0); (void) duk_is_nan(ctx, 0); (void) duk_is_null_or_undefined(ctx, 0); (void) duk_is_null(ctx, 0); (void) duk_is_number(ctx, 0); (void) duk_is_object_coercible(ctx, 0); (void) duk_is_object(ctx, 0); (void) duk_is_pointer(ctx, 0); (void) duk_is_primitive(ctx, 0); (void) duk_is_range_error(ctx, 0); (void) duk_is_reference_error(ctx, 0); (void) duk_is_strict_call(ctx); (void) duk_is_string(ctx, 0); (void) duk_is_syntax_error(ctx, 0); (void) duk_is_thread(ctx, 0); (void) duk_is_type_error(ctx, 0); (void) duk_is_undefined(ctx, 0); (void) duk_is_uri_error(ctx, 0); (void) duk_is_valid_index(ctx, 0); (void) duk_join(ctx, 0); (void) duk_json_decode(ctx, 0); (void) duk_json_encode(ctx, 0); (void) duk_load_function(ctx); (void) duk_map_string(ctx, 0, NULL, NULL); (void) duk_new(ctx, 0); (void) duk_next(ctx, 0, 0); (void) duk_normalize_index(ctx, 0); (void) duk_pcall_method(ctx, 0); (void) duk_pcall_prop(ctx, 0, 0); (void) duk_pcall(ctx, 0); (void) duk_pcompile_lstring_filename(ctx, 0, "dummy", 0); (void) duk_pcompile_lstring(ctx, 0, "dummy", 0); (void) duk_pcompile_string_filename(ctx, 0, "dummy"); (void) duk_pcompile_string(ctx, 0, "dummy"); (void) duk_pcompile(ctx, 0); (void) duk_peval_lstring_noresult(ctx, "dummy", 0); (void) duk_peval_lstring(ctx, "dummy", 0); (void) duk_peval_noresult(ctx); (void) duk_peval_string_noresult(ctx, "dummy"); (void) duk_peval_string(ctx, "dummy"); (void) duk_peval(ctx); (void) duk_pnew(ctx, 0); (void) duk_pop_2(ctx); (void) duk_pop_3(ctx); (void) duk_pop_n(ctx, 0); (void) duk_pop(ctx); (void) duk_push_array(ctx); (void) duk_push_boolean(ctx, 0); (void) duk_push_buffer_object(ctx, 0, 0, 0, 0); (void) duk_push_buffer(ctx, 0, 0); (void) duk_push_c_function(ctx, NULL, 0); (void) duk_push_c_lightfunc(ctx, NULL, 0, 0, 0); (void) duk_push_context_dump(ctx); (void) duk_push_current_function(ctx); (void) duk_push_current_thread(ctx); (void) duk_push_dynamic_buffer(ctx, 0); (void) duk_push_error_object_va(ctx, 0, NULL, NULL); (void) duk_push_error_object(ctx, 0, "dummy"); (void) duk_push_external_buffer(ctx); (void) duk_push_false(ctx); (void) duk_push_fixed_buffer(ctx, 0); (void) duk_push_global_object(ctx); (void) duk_push_global_stash(ctx); (void) duk_push_heap_stash(ctx); (void) duk_push_heapptr(ctx, NULL); (void) duk_push_int(ctx, 0); (void) duk_push_lstring(ctx, "dummy", 0); (void) duk_push_nan(ctx); (void) duk_push_null(ctx); (void) duk_push_number(ctx, 0.0); (void) duk_push_object(ctx); (void) duk_push_pointer(ctx, NULL); (void) duk_push_sprintf(ctx, "dummy"); (void) duk_push_string(ctx, "dummy"); (void) duk_push_this(ctx); (void) duk_push_thread_new_globalenv(ctx); (void) duk_push_thread_stash(ctx, NULL); (void) duk_push_thread(ctx); (void) duk_push_true(ctx); (void) duk_push_uint(ctx, 0); (void) duk_push_undefined(ctx); (void) duk_push_vsprintf(ctx, "dummy", NULL); (void) duk_put_function_list(ctx, 0, NULL); (void) duk_put_global_string(ctx, NULL); (void) duk_put_number_list(ctx, 0, NULL); (void) duk_put_prop_index(ctx, 0, 0); (void) duk_put_prop_string(ctx, 0, "dummy"); (void) duk_put_prop(ctx, 0); (void) duk_realloc_raw(ctx, NULL, 0); (void) duk_realloc(ctx, NULL, 0); (void) duk_remove(ctx, 0); (void) duk_replace(ctx, 0); (void) duk_require_boolean(ctx, 0); (void) duk_require_buffer_data(ctx, 0, NULL); (void) duk_require_buffer(ctx, 0, NULL); (void) duk_require_c_function(ctx, 0); (void) duk_require_callable(ctx, 0); (void) duk_require_context(ctx, 0); (void) duk_require_function(ctx, 0); (void) duk_require_heapptr(ctx, 0); (void) duk_require_int(ctx, 0); (void) duk_require_lstring(ctx, 0, NULL); (void) duk_require_normalize_index(ctx, 0); (void) duk_require_null(ctx, 0); (void) duk_require_number(ctx, 0); (void) duk_require_object_coercible(ctx, 0); (void) duk_require_pointer(ctx, 0); (void) duk_require_stack_top(ctx, 0); (void) duk_require_stack(ctx, 0); (void) duk_require_string(ctx, 0); (void) duk_require_top_index(ctx); (void) duk_require_type_mask(ctx, 0, 0); (void) duk_require_uint(ctx, 0); (void) duk_require_undefined(ctx, 0); (void) duk_require_valid_index(ctx, 0); (void) duk_resize_buffer(ctx, 0, 0); (void) duk_safe_call(ctx, NULL, NULL, 0, 0); (void) duk_safe_to_lstring(ctx, 0, NULL); (void) duk_safe_to_string(ctx, 0); (void) duk_set_finalizer(ctx, 0); (void) duk_set_global_object(ctx); (void) duk_set_magic(ctx, 0, 0); (void) duk_set_prototype(ctx, 0); (void) duk_set_top(ctx, 0); (void) duk_steal_buffer(ctx, 0, NULL); (void) duk_strict_equals(ctx, 0, 0); (void) duk_substring(ctx, 0, 0, 0); (void) duk_swap_top(ctx, 0); (void) duk_swap(ctx, 0, 0); (void) duk_throw(ctx); (void) duk_to_boolean(ctx, 0); (void) duk_to_buffer(ctx, 0, NULL); (void) duk_to_defaultvalue(ctx, 0, 0); (void) duk_to_dynamic_buffer(ctx, 0, NULL); (void) duk_to_fixed_buffer(ctx, 0, NULL); (void) duk_to_int32(ctx, 0); (void) duk_to_int(ctx, 0); (void) duk_to_lstring(ctx, 0, NULL); (void) duk_to_null(ctx, 0); (void) duk_to_number(ctx, 0); (void) duk_to_object(ctx, 0); (void) duk_to_pointer(ctx, 0); (void) duk_to_primitive(ctx, 0, 0); (void) duk_to_string(ctx, 0); (void) duk_to_uint16(ctx, 0); (void) duk_to_uint32(ctx, 0); (void) duk_to_uint(ctx, 0); (void) duk_to_undefined(ctx, 0); (void) duk_trim(ctx, 0); (void) duk_xcopy_top(ctx, NULL, 0); (void) duk_xmove_top(ctx, NULL, 0); printf("never here\n"); fflush(stdout); return 0; }
DUK_LOCAL duk_ret_t duk__error_getter_helper(duk_context *ctx, duk_small_int_t output_type) { duk_hthread *thr = (duk_hthread *) ctx; duk_idx_t idx_td; duk_small_int_t i; /* traceback depth fits into 16 bits */ duk_small_int_t t; /* stack type fits into 16 bits */ duk_small_int_t count_func = 0; /* traceback depth ensures fits into 16 bits */ const char *str_tailcall = " tailcall"; const char *str_strict = " strict"; const char *str_construct = " construct"; const char *str_prevyield = " preventsyield"; const char *str_directeval = " directeval"; const char *str_empty = ""; DUK_ASSERT_TOP(ctx, 0); /* fixed arg count */ DUK_UNREF(thr); duk_push_this(ctx); duk_get_prop_stridx(ctx, -1, DUK_STRIDX_INT_TRACEDATA); idx_td = duk_get_top_index(ctx); duk_push_hstring_stridx(ctx, DUK_STRIDX_NEWLINE_4SPACE); duk_push_this(ctx); /* [ ... this tracedata sep this ] */ /* XXX: skip null filename? */ if (duk_check_type(ctx, idx_td, DUK_TYPE_OBJECT)) { /* Current tracedata contains 2 entries per callstack entry. */ for (i = 0; ; i += 2) { duk_int_t pc; duk_int_t line; duk_int_t flags; duk_double_t d; const char *funcname; const char *filename; duk_hobject *h_func; duk_hstring *h_name; duk_require_stack(ctx, 5); duk_get_prop_index(ctx, idx_td, i); duk_get_prop_index(ctx, idx_td, i + 1); d = duk_to_number(ctx, -1); pc = (duk_int_t) DUK_FMOD(d, DUK_DOUBLE_2TO32); flags = (duk_int_t) DUK_FLOOR(d / DUK_DOUBLE_2TO32); t = (duk_small_int_t) duk_get_type(ctx, -2); if (t == DUK_TYPE_OBJECT || t == DUK_TYPE_LIGHTFUNC) { /* * Ecmascript/native function call or lightfunc call */ count_func++; /* [ ... v1(func) v2(pc+flags) ] */ h_func = duk_get_hobject(ctx, -2); /* NULL for lightfunc */ duk_get_prop_stridx(ctx, -2, DUK_STRIDX_NAME); duk_get_prop_stridx(ctx, -3, DUK_STRIDX_FILE_NAME); #if defined(DUK_USE_PC2LINE) line = duk_hobject_pc2line_query(ctx, -4, (duk_uint_fast32_t) pc); #else line = 0; #endif /* [ ... v1 v2 name filename ] */ /* When looking for .fileName/.lineNumber, blame first * function which has a .fileName. */ if (duk_is_string(ctx, -1)) { if (output_type == DUK__OUTPUT_TYPE_FILENAME) { return 1; } else if (output_type == DUK__OUTPUT_TYPE_LINENUMBER) { duk_push_int(ctx, line); return 1; } } /* XXX: Change 'anon' handling here too, to use empty string for anonymous functions? */ /* XXX: Could be improved by coercing to a readable duk_tval (especially string escaping) */ h_name = duk_get_hstring(ctx, -2); /* may be NULL */ funcname = (h_name == NULL || h_name == DUK_HTHREAD_STRING_EMPTY_STRING(thr)) ? "[anon]" : (const char *) DUK_HSTRING_GET_DATA(h_name); filename = duk_get_string(ctx, -1); filename = filename ? filename : ""; DUK_ASSERT(funcname != NULL); DUK_ASSERT(filename != NULL); if (h_func == NULL) { duk_push_sprintf(ctx, "at %s light%s%s%s%s%s", (const char *) funcname, (const char *) ((flags & DUK_ACT_FLAG_STRICT) ? str_strict : str_empty), (const char *) ((flags & DUK_ACT_FLAG_TAILCALLED) ? str_tailcall : str_empty), (const char *) ((flags & DUK_ACT_FLAG_CONSTRUCT) ? str_construct : str_empty), (const char *) ((flags & DUK_ACT_FLAG_DIRECT_EVAL) ? str_directeval : str_empty), (const char *) ((flags & DUK_ACT_FLAG_PREVENT_YIELD) ? str_prevyield : str_empty)); } else if (DUK_HOBJECT_HAS_NATFUNC(h_func)) { duk_push_sprintf(ctx, "at %s (%s) native%s%s%s%s%s", (const char *) funcname, (const char *) filename, (const char *) ((flags & DUK_ACT_FLAG_STRICT) ? str_strict : str_empty), (const char *) ((flags & DUK_ACT_FLAG_TAILCALLED) ? str_tailcall : str_empty), (const char *) ((flags & DUK_ACT_FLAG_CONSTRUCT) ? str_construct : str_empty), (const char *) ((flags & DUK_ACT_FLAG_DIRECT_EVAL) ? str_directeval : str_empty), (const char *) ((flags & DUK_ACT_FLAG_PREVENT_YIELD) ? str_prevyield : str_empty)); } else { duk_push_sprintf(ctx, "at %s (%s:%ld)%s%s%s%s%s", (const char *) funcname, (const char *) filename, (long) line, (const char *) ((flags & DUK_ACT_FLAG_STRICT) ? str_strict : str_empty), (const char *) ((flags & DUK_ACT_FLAG_TAILCALLED) ? str_tailcall : str_empty), (const char *) ((flags & DUK_ACT_FLAG_CONSTRUCT) ? str_construct : str_empty), (const char *) ((flags & DUK_ACT_FLAG_DIRECT_EVAL) ? str_directeval : str_empty), (const char *) ((flags & DUK_ACT_FLAG_PREVENT_YIELD) ? str_prevyield : str_empty)); } duk_replace(ctx, -5); /* [ ... v1 v2 name filename str ] -> [ ... str v2 name filename ] */ duk_pop_n(ctx, 3); /* -> [ ... str ] */ } else if (t == DUK_TYPE_STRING) { /* * __FILE__ / __LINE__ entry, here 'pc' is line number directly. * Sometimes __FILE__ / __LINE__ is reported as the source for * the error (fileName, lineNumber), sometimes not. */ /* [ ... v1(filename) v2(line+flags) ] */ /* When looking for .fileName/.lineNumber, blame compilation * or C call site unless flagged not to do so. */ if (!(flags & DUK_TB_FLAG_NOBLAME_FILELINE)) { if (output_type == DUK__OUTPUT_TYPE_FILENAME) { duk_pop(ctx); return 1; } else if (output_type == DUK__OUTPUT_TYPE_LINENUMBER) { duk_push_int(ctx, pc); return 1; } } duk_push_sprintf(ctx, "at [anon] (%s:%ld) internal", (const char *) duk_get_string(ctx, -2), (long) pc); duk_replace(ctx, -3); /* [ ... v1 v2 str ] -> [ ... str v2 ] */ duk_pop(ctx); /* -> [ ... str ] */ } else { /* unknown, ignore */ duk_pop_2(ctx); break; } } if (count_func >= DUK_USE_TRACEBACK_DEPTH) { /* Possibly truncated; there is no explicit truncation * marker so this is the best we can do. */ duk_push_hstring_stridx(ctx, DUK_STRIDX_BRACKETED_ELLIPSIS); } } /* [ ... this tracedata sep this str1 ... strN ] */ if (output_type != DUK__OUTPUT_TYPE_TRACEBACK) { return 0; } else { /* The 'this' after 'sep' will get ToString() coerced by * duk_join() automatically. We don't want to do that * coercion when providing .fileName or .lineNumber (GH-254). */ duk_join(ctx, duk_get_top(ctx) - (idx_td + 2) /*count, not including sep*/); return 1; } }
/* Object.defineProperty() equivalent C binding. */ DUK_EXTERNAL void duk_def_prop(duk_context *ctx, duk_idx_t obj_index, duk_uint_t flags) { duk_hthread *thr = (duk_hthread *) ctx; duk_idx_t idx_base; duk_hobject *obj; duk_hstring *key; duk_idx_t idx_value; duk_hobject *get; duk_hobject *set; duk_uint_t is_data_desc; duk_uint_t is_acc_desc; DUK_ASSERT_CTX_VALID(ctx); obj = duk_require_hobject(ctx, obj_index); is_data_desc = flags & (DUK_DEFPROP_HAVE_VALUE | DUK_DEFPROP_HAVE_WRITABLE); is_acc_desc = flags & (DUK_DEFPROP_HAVE_GETTER | DUK_DEFPROP_HAVE_SETTER); if (is_data_desc && is_acc_desc) { /* "Have" flags must not be conflicting so that they would * apply to both a plain property and an accessor at the same * time. */ goto fail_invalid_desc; } idx_base = duk_get_top_index(ctx); if (flags & DUK_DEFPROP_HAVE_SETTER) { duk_require_type_mask(ctx, idx_base, DUK_TYPE_MASK_UNDEFINED | DUK_TYPE_MASK_OBJECT | DUK_TYPE_MASK_LIGHTFUNC); set = duk_get_hobject_or_lfunc_coerce(ctx, idx_base); if (set != NULL && !DUK_HOBJECT_IS_CALLABLE(set)) { goto fail_not_callable; } idx_base--; } else { set = NULL; } if (flags & DUK_DEFPROP_HAVE_GETTER) { duk_require_type_mask(ctx, idx_base, DUK_TYPE_MASK_UNDEFINED | DUK_TYPE_MASK_OBJECT | DUK_TYPE_MASK_LIGHTFUNC); get = duk_get_hobject_or_lfunc_coerce(ctx, idx_base); if (get != NULL && !DUK_HOBJECT_IS_CALLABLE(get)) { goto fail_not_callable; } idx_base--; } else { get = NULL; } if (flags & DUK_DEFPROP_HAVE_VALUE) { idx_value = idx_base; idx_base--; } else { idx_value = (duk_idx_t) -1; } key = duk_require_hstring(ctx, idx_base); duk_require_valid_index(ctx, idx_base); duk_hobject_define_property_helper(ctx, flags /*defprop_flags*/, obj, key, idx_value, get, set); /* Clean up stack */ duk_set_top(ctx, idx_base); /* [ ... obj ... ] */ return; fail_invalid_desc: DUK_ERROR(thr, DUK_ERR_TYPE_ERROR, DUK_STR_INVALID_DESCRIPTOR); return; fail_not_callable: DUK_ERROR(thr, DUK_ERR_TYPE_ERROR, DUK_STR_NOT_CALLABLE); return; }
//duk_idx_t duk_get_top_index(duk_context *ctx); duk_idx_t aperl_duk_get_top_index(duk_context *ctx) { duk_idx_t ret = duk_get_top_index(ctx); return ret; }
static int duk__traceback_getter_helper(duk_context *ctx, int output_type) { duk_hthread *thr = (duk_hthread *) ctx; int idx_td; int i; const char *str_tailcalled = " tailcalled"; const char *str_strict = " strict"; const char *str_construct = " construct"; const char *str_prevyield = " preventsyield"; const char *str_directeval = " directeval"; const char *str_empty = ""; DUK_ASSERT_TOP(ctx, 0); /* fixed arg count */ duk_push_this(ctx); duk_get_prop_stridx(ctx, -1, DUK_STRIDX_TRACEDATA); idx_td = duk_get_top_index(ctx); duk_push_hstring_stridx(ctx, DUK_STRIDX_NEWLINE_TAB); duk_push_this(ctx); duk_to_string(ctx, -1); /* [ ... this tracedata sep ToString(this) ] */ /* FIXME: skip null filename? */ if (duk_check_type(ctx, idx_td, DUK_TYPE_OBJECT)) { int t; /* Current tracedata contains 2 entries per callstack entry. */ for (i = 0; ; i += 2) { int pc; int line; int flags; double d; const char *funcname; duk_hobject *h_func; duk_hstring *h_name; duk_hbuffer_fixed *pc2line; duk_require_stack(ctx, 5); duk_get_prop_index(ctx, idx_td, i); duk_get_prop_index(ctx, idx_td, i + 1); d = duk_to_number(ctx, -1); pc = (int) fmod(d, DUK_DOUBLE_2TO32); flags = (int) floor(d / DUK_DOUBLE_2TO32); t = duk_get_type(ctx, -2); if (t == DUK_TYPE_OBJECT) { /* * Ecmascript/native function call */ /* [ ... v1(func) v2(pc+flags) ] */ h_func = duk_get_hobject(ctx, -2); DUK_ASSERT(h_func != NULL); duk_get_prop_stridx(ctx, -2, DUK_STRIDX_NAME); duk_get_prop_stridx(ctx, -3, DUK_STRIDX_FILE_NAME); duk_get_prop_stridx(ctx, -4, DUK_STRIDX_INT_PC2LINE); if (duk_is_buffer(ctx, -1)) { pc2line = (duk_hbuffer_fixed *) duk_get_hbuffer(ctx, -1); DUK_ASSERT(!DUK_HBUFFER_HAS_DYNAMIC((duk_hbuffer *) pc2line)); line = duk_hobject_pc2line_query(pc2line, (duk_uint_fast32_t) pc); } else { line = 0; } duk_pop(ctx); /* [ ... v1 v2 name filename ] */ if (output_type == DUK__OUTPUT_TYPE_FILENAME) { return 1; } else if (output_type == DUK__OUTPUT_TYPE_LINENUMBER) { duk_push_int(ctx, line); return 1; } h_name = duk_get_hstring(ctx, -2); /* may be NULL */ funcname = (h_name == NULL || h_name == DUK_HTHREAD_STRING_EMPTY_STRING(thr)) ? "anon" : (const char *) DUK_HSTRING_GET_DATA(h_name); if (DUK_HOBJECT_HAS_NATIVEFUNCTION(h_func)) { duk_push_sprintf(ctx, "%s %s native%s%s%s%s%s", funcname, duk_get_string(ctx, -1), (flags & DUK_ACT_FLAG_STRICT) ? str_strict : str_empty, (flags & DUK_ACT_FLAG_TAILCALLED) ? str_tailcalled : str_empty, (flags & DUK_ACT_FLAG_CONSTRUCT) ? str_construct : str_empty, (flags & DUK_ACT_FLAG_DIRECT_EVAL) ? str_directeval : str_empty, (flags & DUK_ACT_FLAG_PREVENT_YIELD) ? str_prevyield : str_empty); } else { duk_push_sprintf(ctx, "%s %s:%d%s%s%s%s%s", funcname, duk_get_string(ctx, -1), line, (flags & DUK_ACT_FLAG_STRICT) ? str_strict : str_empty, (flags & DUK_ACT_FLAG_TAILCALLED) ? str_tailcalled : str_empty, (flags & DUK_ACT_FLAG_CONSTRUCT) ? str_construct : str_empty, (flags & DUK_ACT_FLAG_DIRECT_EVAL) ? str_directeval : str_empty, (flags & DUK_ACT_FLAG_PREVENT_YIELD) ? str_prevyield : str_empty); } duk_replace(ctx, -5); /* [ ... v1 v2 name filename str ] -> [ ... str v2 name filename ] */ duk_pop_n(ctx, 3); /* -> [ ... str ] */ } else if (t == DUK_TYPE_STRING) { /* * __FILE__ / __LINE__ entry, here 'pc' is line number directly. * Sometimes __FILE__ / __LINE__ is reported as the source for * the error (fileName, lineNumber), sometimes not. */ /* [ ... v1(filename) v2(line+flags) ] */ if (!(flags & DUK_TB_FLAG_NOBLAME_FILELINE)) { if (output_type == DUK__OUTPUT_TYPE_FILENAME) { duk_pop(ctx); return 1; } else if (output_type == DUK__OUTPUT_TYPE_LINENUMBER) { duk_push_int(ctx, pc); return 1; } } duk_push_sprintf(ctx, "%s:%d", duk_get_string(ctx, -2), pc); duk_replace(ctx, -3); /* [ ... v1 v2 str ] -> [ ... str v2 ] */ duk_pop(ctx); /* -> [ ... str ] */ } else { /* unknown, ignore */ duk_pop_2(ctx); break; } } if (i >= DUK_USE_TRACEBACK_DEPTH * 2) { /* Possibly truncated; there is no explicit truncation * marker so this is the best we can do. */ duk_push_hstring_stridx(ctx, DUK_STRIDX_BRACKETED_ELLIPSIS); } } /* [ ... this tracedata sep ToString(this) str1 ... strN ] */ if (output_type != DUK__OUTPUT_TYPE_TRACEBACK) { return 0; } else { duk_join(ctx, duk_get_top(ctx) - (idx_td + 2) /*count, not including sep*/); return 1; } }
AJ_Status AJS_MessageLoop(duk_context* ctx, AJ_BusAttachment* aj, duk_idx_t ajIdx) { AJ_Status status = AJ_OK; AJ_Message msg; AJ_Time timerClock; uint32_t linkTO; uint32_t msgTO = 0x7FFFFFFF; duk_idx_t top = duk_get_top_index(ctx); uint8_t ldstate; AJ_InfoPrintf(("AJS_MessageLoop top=%d\n", (int)top)); deferredOp = AJS_OP_NONE; if (ajIdx >= 0) { /* * Read the link timeout property from the config set */ duk_get_prop_string(ctx, -1, "config"); duk_get_prop_string(ctx, -1, "linkTimeout"); linkTO = duk_get_int(ctx, -1); duk_pop_2(ctx); AJ_SetBusLinkTimeout(aj, linkTO); } /* * timer clock must be initialized */ AJ_InitTimer(&timerClock); AJ_ASSERT(duk_get_top_index(ctx) == top); /* * Initialize About we can start sending announcements */ AJ_AboutInit(aj, AJS_APP_PORT); while (status == AJ_OK) { /* * Check we are cleaning up the duktape stack correctly. */ if (duk_get_top_index(ctx) != top) { AJ_ErrPrintf(("!!!AJS_MessageLoop top=%d expected %d\n", (int)duk_get_top_index(ctx), (int)top)); AJS_DumpStack(ctx); AJ_ASSERT(duk_get_top_index(ctx) == top); } AJS_SetWatchdogTimer(AJS_DEFAULT_WATCHDOG_TIMEOUT); /* * Pinned items (strings/buffers) are only valid while running script */ AJS_ClearPins(ctx); /* * Check if there are any pending I/O operations to perform. */ status = AJS_ServiceIO(ctx); if (status != AJ_OK) { AJ_ErrPrintf(("Error servicing I/O functions\n")); break; } /* * Services the internal and timeout timers and updates the timeout value for any new * timers that have been registered since this function was last called. */ status = AJS_RunTimers(ctx, &timerClock, &msgTO); if (status != AJ_OK) { AJ_ErrPrintf(("Error servicing timer functions\n")); break; } /* * Do any announcing required */ status = AJS_GetLockdownState(&ldstate); if (status == AJ_OK && ldstate == AJS_CONSOLE_UNLOCKED) { status = AJ_AboutAnnounce(aj); } if (status != AJ_OK) { break; } /* * This special wildcard allows us to unmarshal signals with any source path */ AJS_SetObjectPath("!"); /* * Block until a message is received, the timeout expires, or the operation is interrupted. */ status = AJ_UnmarshalMsg(aj, &msg, msgTO); if (status != AJ_OK) { if ((status == AJ_ERR_INTERRUPTED) || (status == AJ_ERR_TIMEOUT)) { status = AJ_OK; continue; } if (status == AJ_ERR_NO_MATCH) { status = AJ_OK; } AJ_CloseMsg(&msg); continue; } switch (msg.msgId) { case 0: /* If a message was parsed but is unrecognized and should be ignored */ break; /* Introspection messages */ case AJ_METHOD_PING: case AJ_METHOD_BUS_PING: case AJ_METHOD_GET_MACHINE_ID: case AJ_METHOD_INTROSPECT: case AJ_METHOD_GET_DESCRIPTION_LANG: case AJ_METHOD_INTROSPECT_WITH_DESC: /* About messages */ case AJ_METHOD_ABOUT_GET_PROP: case AJ_METHOD_ABOUT_SET_PROP: case AJ_METHOD_ABOUT_GET_ABOUT_DATA: case AJ_METHOD_ABOUT_GET_OBJECT_DESCRIPTION: case AJ_METHOD_ABOUT_ICON_GET_PROP: case AJ_METHOD_ABOUT_ICON_SET_PROP: case AJ_METHOD_ABOUT_ICON_GET_URL: case AJ_METHOD_ABOUT_ICON_GET_CONTENT: /* Authentication messages and replies */ case AJ_METHOD_EXCHANGE_GUIDS: case AJ_REPLY_ID(AJ_METHOD_EXCHANGE_GUIDS): case AJ_METHOD_EXCHANGE_SUITES: case AJ_REPLY_ID(AJ_METHOD_EXCHANGE_SUITES): case AJ_METHOD_AUTH_CHALLENGE: case AJ_REPLY_ID(AJ_METHOD_AUTH_CHALLENGE): case AJ_METHOD_GEN_SESSION_KEY: case AJ_REPLY_ID(AJ_METHOD_GEN_SESSION_KEY): case AJ_METHOD_EXCHANGE_GROUP_KEYS: case AJ_REPLY_ID(AJ_METHOD_EXCHANGE_GROUP_KEYS): case AJ_METHOD_KEY_EXCHANGE: case AJ_REPLY_ID(AJ_METHOD_KEY_EXCHANGE): case AJ_METHOD_KEY_AUTHENTICATION: case AJ_REPLY_ID(AJ_METHOD_KEY_AUTHENTICATION): /* Replies the app ignores */ case AJ_REPLY_ID(AJ_METHOD_ADD_MATCH): case AJ_REPLY_ID(AJ_METHOD_REMOVE_MATCH): case AJ_REPLY_ID(AJ_METHOD_PING): case AJ_REPLY_ID(AJ_METHOD_BUS_PING): /* Signals the app ignores */ case AJ_SIGNAL_PROBE_ACK: case AJ_SIGNAL_PROBE_REQ: case AJ_SIGNAL_NAME_OWNER_CHANGED: status = AJ_BusHandleBusMessage(&msg); break; case AJ_METHOD_ACCEPT_SESSION: status = SessionDispatcher(ctx, &msg); break; case AJ_REPLY_ID(AJ_METHOD_BIND_SESSION_PORT): status = SessionBindReply(ctx, &msg); break; default: status = HandleMessage(ctx, ajIdx, &msg); break; } /* * Free message resources */ AJ_CloseMsg(&msg); /* * Decide which messages should cause us to exit */ switch (status) { case AJ_OK: break; case AJ_ERR_READ: case AJ_ERR_WRITE: case AJ_ERR_RESTART: case AJ_ERR_RESTART_APP: break; default: AJ_ErrPrintf(("Got error %s - continuing anyway\n", AJ_StatusText(status))); status = AJ_OK; } /* * Let link monitor know we are getting messages */ AJ_NotifyLinkActive(); /* * Perform any deferred operations. These are operations such as factory reset that cannot * be cleanly performed from inside duktape. */ if (status == AJ_OK) { status = DoDeferredOperation(ctx); } } AJS_ClearPins(ctx); AJS_ClearWatchdogTimer(); return status; }
/* * Announcements are processed as follows: * * 1) First check if there is an existing session for the announcement sender. If not create and * initialize an empty session object. A session object has two properties "info" which is a buffer * that holds state information about the session and an array "anno" which is used to accumulate * announcements from the same sender. * 2) Unmarshal the announcement signal and if there is a callback registered for any of the * interfaces add a service object to announcements array. The "interfaces" property on the * service object is an array of all interfaces in the announcement. * 3) If there is already a session with the announcement sender make callbacks now, otherwise send * a JOIN_SESSION method call to join the session with the announcement sender. The callbacks are * reevaluated when the JOIN_SESSION reply is received. */ AJ_Status AJS_AboutAnnouncement(duk_context* ctx, AJ_Message* msg) { AJ_BusAttachment* aj = msg->bus; AJ_Status status; uint16_t version; duk_idx_t anIdx; SessionInfo* sessionInfo; AJ_Arg objList; const char* sender; AJ_InfoPrintf(("AJS_AboutAnnouncement\n")); /* * Ignore our own announcements */ if (strcmp(msg->sender, AJ_GetUniqueName(msg->bus)) == 0) { AJ_InfoPrintf(("Ignoring our own announcement\n")); return AJ_OK; } /* * Push the sender string on the stack to stabilize it. */ sender = duk_push_string(ctx, msg->sender); /* * Announcements are accumulated in a global stash object indexed by peer name */ AJS_GetGlobalStashObject(ctx, "sessions"); sessionInfo = AllocSessionObject(ctx, sender); /* * Get the announcements array */ duk_get_prop_string(ctx, -1, "anno"); anIdx = duk_get_top_index(ctx); /* * Find out if there are JavaScript handlers for this announcement */ AJ_UnmarshalArgs(msg, "qq", &version, &sessionInfo->port); status = AJ_UnmarshalContainer(msg, &objList, AJ_ARG_ARRAY); while (status == AJ_OK) { int ifcCount = 0; uint8_t hasCB = FALSE; AJ_Arg obj; AJ_Arg interfaces; const char* path; status = AJ_UnmarshalContainer(msg, &obj, AJ_ARG_STRUCT); if (status != AJ_OK) { break; } AJ_UnmarshalArgs(msg, "o", &path); /* * Array to accumulate interfaces */ duk_push_array(ctx); status = AJ_UnmarshalContainer(msg, &interfaces, AJ_ARG_ARRAY); while (status == AJ_OK) { /* * Accumulate interfaces checking */ const char* iface; status = AJ_UnmarshalArgs(msg, "s", &iface); if (status == AJ_OK) { duk_push_string(ctx, iface); duk_put_prop_index(ctx, -2, ifcCount++); } /* * We will disard the interface array if no callbacks are registered. */ if (!hasCB && HasServiceCallback(ctx, iface)) { hasCB = TRUE; } } if (hasCB) { AddServiceObject(ctx, sessionInfo, path, sender); /* * Append service object to the announcements array for processing later */ duk_put_prop_index(ctx, anIdx, duk_get_length(ctx, anIdx)); } else { /* discard the interface array */ duk_pop(ctx); } if (status == AJ_ERR_NO_MORE) { status = AJ_UnmarshalCloseContainer(msg, &interfaces); } if (status == AJ_OK) { status = AJ_UnmarshalCloseContainer(msg, &obj); } } if (status == AJ_ERR_NO_MORE) { status = AJ_UnmarshalCloseContainer(msg, &objList); } /* * All done with this message - we need to close it now to free up the output buffer before we * attempt to call AJ_BusJoinSession() below. */ AJ_CloseMsg(msg); /* Pop "anno" and the session object */ duk_pop_2(ctx); if (status != AJ_OK) { goto Exit; } /* * If we already have a session with this peer callback with the new service objects */ if (sessionInfo->sessionId) { AnnouncementCallbacks(ctx, sender, sessionInfo); goto Exit; } /* * If there is a JOIN_SESSION in progress we have nothing more to do */ if (sessionInfo->replySerial != 0) { goto Exit; } /* * If announcements were registered attempt to join the session */ if (sessionInfo->refCount) { status = AJ_BusJoinSession(aj, sender, sessionInfo->port, NULL); if (status == AJ_OK) { sessionInfo->replySerial = aj->serial - 1; } } /* * At this point if we don't have a JOIN_SESSION in progress we must delete the session object */ if (sessionInfo->replySerial == 0) { duk_del_prop_string(ctx, -2, sender); } Exit: /* Pop "sessions" and sender string */ duk_pop_2(ctx); return status; }
AJ_Status AJS_FoundAdvertisedName(duk_context* ctx, AJ_Message* msg) { AJ_Status status; SessionInfo* sessionInfo; const char* name; const char* prefix; uint16_t port; uint16_t mask; duk_idx_t fnmeIdx; duk_idx_t sessIdx; AJ_UnmarshalArgs(msg, "sqs", &name, &mask, &prefix); AJ_InfoPrintf(("AJS_FoundAdvertisedName %s %s\n", prefix, name)); AJS_GetGlobalStashObject(ctx, "sessions"); sessIdx = duk_get_top_index(ctx); /* * If the name is already listed we can ignore this signal */ if (duk_get_prop_string(ctx, -1, name)) { duk_pop_2(ctx); return AJ_OK; } /* * Check if there is a callback registered for this name (actually the prefix) */ AJS_GetGlobalStashObject(ctx, "findName"); duk_get_prop_string(ctx, -1, prefix); if (duk_is_undefined(ctx, -1)) { duk_pop_3(ctx); return AJ_OK; } fnmeIdx = duk_get_top_index(ctx); /* * From here on we make it look like we received an announcement */ port = AJS_GetIntProp(ctx, fnmeIdx, "port"); status = AJ_BusJoinSession(msg->bus, name, port, NULL); if (status == AJ_OK) { duk_idx_t anIdx; duk_idx_t svcIdx; /* * Create service object and add it to the sessions array */ svcIdx = duk_push_object(ctx); /* * Set the "info" and "anno" properties on the service object */ sessionInfo = duk_push_fixed_buffer(ctx, sizeof(SessionInfo)); sessionInfo->port = port; duk_put_prop_string(ctx, svcIdx, "info"); anIdx = duk_push_array(ctx); /* * Push array of interfaces */ duk_get_prop_string(ctx, fnmeIdx, "interfaces"); /* * Set the callback to be called when the JOIN_SESSION reply is received */ AJS_GetGlobalStashObject(ctx, "serviceCB"); duk_get_prop_index(ctx, -2, 0); /* key - first interface in "interfaces" array */ duk_get_prop_string(ctx, fnmeIdx, "cb"); /* val - callback function */ duk_put_prop(ctx, -3); duk_pop(ctx); /* Interfaces array is at the top of the stack */ AddServiceObject(ctx, sessionInfo, AJS_GetStringProp(ctx, fnmeIdx, "path"), name); /* * Append service object to the announcements array for processing later */ duk_put_prop_index(ctx, anIdx, duk_get_length(ctx, anIdx)); AJ_ASSERT(duk_get_top_index(ctx) == anIdx); duk_put_prop_string(ctx, svcIdx, "anno"); AJ_ASSERT(duk_get_top_index(ctx) == svcIdx); duk_put_prop_string(ctx, sessIdx, name); /* * Store the reply serial number for the JOIN_SESSION reply */ sessionInfo->replySerial = msg->bus->serial - 1; } else { duk_del_prop_string(ctx, sessIdx, prefix); } /* Clean up the stack */ duk_pop_n(ctx, 4); return status; }
/* * Called with "sessions" at the top of the stack. * * Iterate over the accumulated announcents and make callbacks into JavaScript */ static void AnnouncementCallbacks(duk_context* ctx, const char* peer, SessionInfo* sessionInfo) { size_t i; size_t numSvcs; AJ_ASSERT(sessionInfo->sessionId); /* * Get the session object (indexed by the peer string) and from this get the announcements array */ duk_get_prop_string(ctx, -1, peer); duk_get_prop_string(ctx, -1, "anno"); /* * Iterate over the services implemented by this peer */ numSvcs = duk_get_length(ctx, -1); for (i = 0; i < numSvcs; ++i) { size_t j; size_t numIfaces; duk_idx_t svcIdx; duk_get_prop_index(ctx, -1, i); if (duk_is_undefined(ctx, -1)) { /* * Undefined means the iface has been deleted so pop "interfaces" */ duk_pop(ctx); /* * Delete the announcement entry and continue */ duk_del_prop_index(ctx, -1, i); continue; } svcIdx = duk_get_top_index(ctx); /* * Iterate over the interfaces for this service */ duk_get_prop_string(ctx, svcIdx, "interfaces"); numIfaces = duk_get_length(ctx, -1); for (j = 0; j < numIfaces; ++j) { const char* iface; duk_get_prop_index(ctx, -1, j); iface = duk_get_string(ctx, -1); duk_pop(ctx); /* * If there is a callback registered for this interface call it * * TODO - should we really make a callback for each interface or just call the first one * that has an callback referenced. If the same callback function has been registered * for multiple interfaces we definitely don't want to call it multiple times. */ if (PushServiceCallback(ctx, iface)) { /* * Set the session information on the service */ duk_push_int(ctx, sessionInfo->sessionId); duk_put_prop_string(ctx, svcIdx, "session"); duk_push_string(ctx, peer); duk_put_prop_string(ctx, svcIdx, "dest"); /* * Call the callback function */ duk_dup(ctx, svcIdx); if (duk_pcall(ctx, 1) != DUK_EXEC_SUCCESS) { AJS_ConsoleSignalError(ctx); } duk_pop(ctx); } } /* * Pop "interfaces" and the service object */ duk_pop_2(ctx); /* * Delete the announcement entry */ duk_del_prop_index(ctx, -1, i); } /* Pop "anno" and the session object */ duk_pop_2(ctx); }