Merge pull request #93 from realm/al-rpc-cpp

Rewrite rpc server in c++ so it can be used on android
This commit is contained in:
Ari Lazier 2015-10-22 18:10:21 -07:00
commit ad47da8c09
9 changed files with 7655 additions and 347 deletions

View File

@ -16,8 +16,8 @@
//
////////////////////////////////////////////////////////////////////////////
@import Foundation;
@import JavaScriptCore;
#import <Foundation/Foundation.h>
#import <JavaScriptCore/JavaScriptCore.h>
extern JSGlobalContextRef RealmReactGetJSGlobalContextForExecutor(id executor, bool create);

View File

@ -16,13 +16,14 @@
//
////////////////////////////////////////////////////////////////////////////
extern "C" {
#import "RealmReact.h"
#import "Base/RCTBridge.h"
@import GCDWebServers;
@import RealmJS;
@import ObjectiveC;
@import Darwin;
#import <GCDWebServers/GCDWebServers.h>
#import <RealmJS/RealmJS.h>
#import <objc/runtime.h>
#import <dlfcn.h>
@interface NSObject (RCTJavaScriptContext)
- (instancetype)initWithJSContext:(JSGlobalContextRef)context;
@ -50,6 +51,10 @@ JSGlobalContextRef RealmReactGetJSGlobalContextForExecutor(id executor, bool cre
return [rctJSContext ctx];
}
}
#import <RealmJS/RealmRPC.hpp>
#import <RealmJS/RJSUtil.hpp>
@interface RealmReact () <RCTBridgeModule>
@end
@ -59,7 +64,7 @@ JSGlobalContextRef RealmReactGetJSGlobalContextForExecutor(id executor, bool cre
@synthesize bridge = _bridge;
+ (void)load {
void (*RCTRegisterModule)(Class) = dlsym(RTLD_DEFAULT, "RCTRegisterModule");
void (*RCTRegisterModule)(Class) = (void (*)(Class))dlsym(RTLD_DEFAULT, "RCTRegisterModule");
if (RCTRegisterModule) {
RCTRegisterModule(self);
@ -77,10 +82,14 @@ JSGlobalContextRef RealmReactGetJSGlobalContextForExecutor(id executor, bool cre
_bridge = bridge;
static GCDWebServer *s_webServer;
static realm_js::RPCServer *rpcServer;
if (s_webServer) {
[s_webServer stop];
[s_webServer removeAllHandlers];
s_webServer = nil;
delete rpcServer;
}
// The executor could be a RCTWebSocketExecutor, in which case it won't have a JS context.
@ -89,23 +98,28 @@ JSGlobalContextRef RealmReactGetJSGlobalContextForExecutor(id executor, bool cre
if ([executor isMemberOfClass:NSClassFromString(@"RCTWebSocketExecutor")]) {
[GCDWebServer setLogLevel:3];
GCDWebServer *webServer = [[GCDWebServer alloc] init];
RJSRPCServer *rpcServer = [[RJSRPCServer alloc] init];
rpcServer = new realm_js::RPCServer();
// Add a handler to respond to POST requests on any URL
[webServer addDefaultHandlerForMethod:@"POST"
requestClass:[GCDWebServerDataRequest class]
processBlock:^GCDWebServerResponse *(GCDWebServerRequest* request) {
NSError *error;
NSData *data = [(GCDWebServerDataRequest *)request data];
NSDictionary *json = [NSJSONSerialization JSONObjectWithData:data options:0 error:&error];
GCDWebServerResponse *response;
if (error || ![json isKindOfClass:[NSDictionary class]]) {
NSLog(@"Invalid RPC request - %@", error ?: json);
response = [GCDWebServerErrorResponse responseWithClientError:kGCDWebServerHTTPStatusCode_UnprocessableEntity underlyingError:error message:@"Invalid RPC request"];
try {
// perform all realm ops on the main thread
__block NSData *responseData;
dispatch_sync(dispatch_get_main_queue(), ^{
realm_js::json args = realm_js::json::parse([[(GCDWebServerDataRequest *)request text] UTF8String]);
std::string responseText = rpcServer->perform_request(request.path.UTF8String, args).dump();
responseData = [NSData dataWithBytes:responseText.c_str() length:responseText.length()];
});
response = [[GCDWebServerDataResponse alloc] initWithData:responseData contentType:@"application/json"];
}
else {
response = [GCDWebServerDataResponse responseWithJSONObject:[rpcServer performRequest:request.path args:json]];
catch(std::exception &ex) {
NSLog(@"Invalid RPC request - %@", [(GCDWebServerDataRequest *)request text]);
response = [GCDWebServerErrorResponse responseWithClientError:kGCDWebServerHTTPStatusCode_UnprocessableEntity
underlyingError:nil
message:@"Invalid RPC request"];
}
[response setValue:@"http://localhost:8081" forAdditionalHeader:@"Access-Control-Allow-Origin"];

View File

@ -7,7 +7,7 @@
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@ -50,7 +50,8 @@
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@ -156,7 +157,7 @@
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02601F011BA0F0C4007C91FF /* external_commit_helper.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = external_commit_helper.cpp; path = "src/object-store/apple/external_commit_helper.cpp"; sourceTree = "<group>"; };
@ -202,7 +203,7 @@
0270BC7E1B7D020100010E03 /* asserts.js */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.javascript; name = asserts.js; path = tests/asserts.js; sourceTree = SOURCE_ROOT; };
0270BC7F1B7D020100010E03 /* schemas.js */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.javascript; name = schemas.js; path = tests/schemas.js; sourceTree = SOURCE_ROOT; };
0270BCCF1B7D067300010E03 /* RealmReact.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = RealmReact.h; path = ReactNative/RealmReact.h; sourceTree = "<group>"; };
0270BCD01B7D067300010E03 /* RealmReact.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = RealmReact.m; path = ReactNative/RealmReact.m; sourceTree = "<group>"; };
0270BCD01B7D067300010E03 /* RealmReact.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; name = RealmReact.mm; path = ReactNative/RealmReact.mm; sourceTree = "<group>"; };
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02B29A161B7CF7C9008A7E6B /* RealmReact.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = RealmReact.framework; sourceTree = BUILT_PRODUCTS_DIR; };
@ -225,6 +226,7 @@
isa = PBXFrameworksBuildPhase;
buildActionMask = 2147483647;
files = (
0291DBD21BD994F700E3852C /* JavaScriptCore.framework in Frameworks */,
F6B3963D1BCE2430008BDC39 /* GCDWebServers.framework in Frameworks */,
02B29A311B7CF86D008A7E6B /* RealmJS.framework in Frameworks */,
);
@ -276,7 +278,7 @@
02601F071BA0F0CD007C91FF /* realm_delegate.hpp */,
0270BC3E1B7CFC0D00010E03 /* RealmJS.h */,
0270BC3F1B7CFC0D00010E03 /* RealmJS.mm */,
02258FB11BC6E2D00075F13A /* RealmRPC.h */,
02258FB11BC6E2D00075F13A /* RealmRPC.hpp */,
02258FB21BC6E2D00075F13A /* RealmRPC.mm */,
0270BC401B7CFC0D00010E03 /* RJSList.cpp */,
0270BC411B7CFC0D00010E03 /* RJSList.hpp */,
@ -299,7 +301,7 @@
isa = PBXGroup;
children = (
0270BCCF1B7D067300010E03 /* RealmReact.h */,
0270BCD01B7D067300010E03 /* RealmReact.m */,
0270BCD01B7D067300010E03 /* RealmReact.mm */,
);
name = RealmReact;
sourceTree = "<group>";
@ -387,7 +389,7 @@
buildActionMask = 2147483647;
files = (
0270BC4C1B7CFC0D00010E03 /* RealmJS.h in Headers */,
02258FB31BC6E2D00075F13A /* RealmRPC.h in Headers */,
02258FB31BC6E2D00075F13A /* RealmRPC.hpp in Headers */,
0270BC4F1B7CFC0D00010E03 /* RJSList.hpp in Headers */,
0270BC541B7CFC0D00010E03 /* RJSResults.hpp in Headers */,
0270BC581B7CFC0D00010E03 /* RJSUtil.hpp in Headers */,
@ -626,7 +628,7 @@
isa = PBXSourcesBuildPhase;
buildActionMask = 2147483647;
files = (
0270BCD11B7D067300010E03 /* RealmReact.m in Sources */,
0270BCD11B7D067300010E03 /* RealmReact.mm in Sources */,
);
runOnlyForDeploymentPostprocessing = 0;
};
@ -706,6 +708,7 @@
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include,
"$(SRCROOT)/examples/ReactExample/node_modules/react-native/React/",
"$(SRCROOT)/tests/ReactTests/node_modules/react-native/React/",
"$(SRCROOT)/vendor",
);
INFOPLIST_FILE = src/Info.plist;
INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
@ -739,6 +742,7 @@
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include,
"$(SRCROOT)/examples/ReactExample/node_modules/react-native/React/",
"$(SRCROOT)/tests/ReactTests/node_modules/react-native/React/",
"$(SRCROOT)/vendor",
);
INFOPLIST_FILE = src/Info.plist;
INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
@ -772,6 +776,7 @@
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include,
"$(SRCROOT)/examples/ReactExample/node_modules/react-native/React/",
"$(SRCROOT)/tests/ReactTests/node_modules/react-native/React/",
"$(SRCROOT)/vendor",
);
INFOPLIST_FILE = src/Info.plist;
INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
@ -902,6 +907,7 @@
HEADER_SEARCH_PATHS = (
"$(inherited)",
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include,
"$(SRCROOT)/vendor",
);
INFOPLIST_FILE = src/Info.plist;
INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
@ -935,6 +941,7 @@
HEADER_SEARCH_PATHS = (
"$(inherited)",
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include,
"$(SRCROOT)/vendor",
);
INFOPLIST_FILE = src/Info.plist;
INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
@ -966,6 +973,7 @@
"DEBUG=1",
"$(inherited)",
);
HEADER_SEARCH_PATHS = "";
INFOPLIST_FILE = tests/Info.plist;
IPHONEOS_DEPLOYMENT_TARGET = 8.0;
LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
@ -987,6 +995,7 @@
"$(inherited)",
build/iOS,
);
HEADER_SEARCH_PATHS = "";
INFOPLIST_FILE = tests/Info.plist;
IPHONEOS_DEPLOYMENT_TARGET = 8.0;
LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
@ -1068,6 +1077,7 @@
HEADER_SEARCH_PATHS = (
"$(inherited)",
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include,
"$(SRCROOT)/vendor",
);
INFOPLIST_FILE = src/Info.plist;
INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
@ -1099,6 +1109,7 @@
"DEBUG=1",
"$(inherited)",
);
HEADER_SEARCH_PATHS = "";
INFOPLIST_FILE = tests/Info.plist;
IPHONEOS_DEPLOYMENT_TARGET = 8.0;
LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";

View File

@ -18,7 +18,6 @@
#import <Foundation/Foundation.h>
#import <JavaScriptCore/JavaScriptCore.h>
#import <RealmJS/RealmRPC.h>
@interface RealmJS : NSObject

View File

@ -1,27 +0,0 @@
////////////////////////////////////////////////////////////////////////////
//
// Copyright 2015 Realm Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
////////////////////////////////////////////////////////////////////////////
#pragma once
#import <Foundation/Foundation.h>
@interface RJSRPCServer : NSObject
- (NSDictionary *)performRequest:(NSString *)name args:(NSDictionary *)args;
@end

55
src/RealmRPC.hpp Normal file
View File

@ -0,0 +1,55 @@
////////////////////////////////////////////////////////////////////////////
//
// Copyright 2015 Realm Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
////////////////////////////////////////////////////////////////////////////
#pragma once
#import "json.hpp"
#import <JavaScriptCore/JavaScriptCore.h>
namespace realm {
class ObjectSchema;
}
namespace realm_js {
using json = nlohmann::json;
using RPCObjectID = u_int64_t;
using RPCRequest = std::function<json(const json)>;
class RPCServer {
public:
RPCServer();
~RPCServer();
json perform_request(std::string name, json &args);
private:
JSGlobalContextRef m_context;
std::map<std::string, RPCRequest> m_requests;
std::map<RPCObjectID, JSObjectRef> m_objects;
RPCObjectID m_session_id;
RPCObjectID store_object(JSObjectRef object);
json serialize_json_value(JSValueRef value);
JSValueRef deserialize_json_value(const json dict);
json serialize_object_schema(realm::ObjectSchema &objectSchema);
};
}

View File

@ -16,8 +16,7 @@
//
////////////////////////////////////////////////////////////////////////////
#import "RealmRPC.h"
#import <JavaScriptCore/JavaScriptCore.h>
#import "RealmRPC.hpp"
#include <dlfcn.h>
#include <map>
@ -33,371 +32,332 @@
#include "shared_realm.hpp"
#include "results.hpp"
using RPCObjectID = u_int64_t;
using RPCRequest = std::function<NSDictionary *(NSDictionary *dictionary)>;
using namespace realm_js;
static const char * const RealmObjectTypesFunction = "ObjectTypesFUNCTION";
static const char * const RealmObjectTypesNotification = "ObjectTypesNOTIFICATION";
static const char * const RealmObjectTypesResults = "ObjectTypesRESULTS";
@implementation RJSRPCServer {
JSGlobalContextRef _context;
std::map<std::string, RPCRequest> _requests;
std::map<RPCObjectID, JSObjectRef> _objects;
RPCObjectID _sessionID;
}
- (void)dealloc {
for (auto item : _objects) {
JSValueUnprotect(_context, item.second);
}
JSGlobalContextRelease(_context);
_requests.clear();
}
- (instancetype)init {
self = [super init];
if (self) {
_context = JSGlobalContextCreate(NULL);
RPCServer::RPCServer() {
m_context = JSGlobalContextCreate(NULL);
// JavaScriptCore crashes when trying to walk up the native stack to print the stacktrace.
// FIXME: Avoid having to do this!
static void (*setIncludesNativeCallStack)(JSGlobalContextRef, bool) = (void (*)(JSGlobalContextRef, bool))dlsym(RTLD_DEFAULT, "JSGlobalContextSetIncludesNativeCallStackWhenReportingExceptions");
if (setIncludesNativeCallStack) {
setIncludesNativeCallStack(_context, false);
setIncludesNativeCallStack(m_context, false);
}
id _self = self;
__weak __typeof__(self) self = _self;
m_requests["/create_session"] = [this](const json dict) {
[RealmJS initializeContext:m_context];
_requests["/create_session"] = [=](NSDictionary *dict) {
[RealmJS initializeContext:_context];
JSStringRef realm_string = RJSStringForString("Realm");
JSObjectRef realm_constructor = RJSValidatedObjectProperty(m_context, JSContextGetGlobalObject(m_context), realm_string);
JSStringRelease(realm_string);
JSStringRef realmString = RJSStringForString("Realm");
JSObjectRef realmConstructor = RJSValidatedObjectProperty(_context, JSContextGetGlobalObject(_context), realmString);
JSStringRelease(realmString);
_sessionID = [self storeObject:realmConstructor];
return @{@"result": @(_sessionID)};
m_session_id = store_object(realm_constructor);
return (json){{"result", m_session_id}};
};
_requests["/create_realm"] = [=](NSDictionary *dict) {
JSObjectRef realmConstructor = _sessionID ? _objects[_sessionID] : NULL;
if (!realmConstructor) {
m_requests["/create_realm"] = [this](const json dict) {
JSObjectRef realm_constructor = m_session_id ? m_objects[m_session_id] : NULL;
if (!realm_constructor) {
throw std::runtime_error("Realm constructor not found!");
}
NSArray *args = dict[@"arguments"];
NSUInteger argCount = args.count;
JSValueRef argValues[argCount];
json::array_t args = dict["arguments"];
size_t arg_count = args.size();
JSValueRef arg_values[arg_count];
for (NSUInteger i = 0; i < argCount; i++) {
argValues[i] = [self deserializeDictionaryValue:args[i]];
for (size_t i = 0; i < arg_count; i++) {
arg_values[i] = deserialize_json_value(args[i]);
}
JSValueRef exception = NULL;
JSObjectRef realmObject = JSObjectCallAsConstructor(_context, realmConstructor, argCount, argValues, &exception);
JSObjectRef realm_object = JSObjectCallAsConstructor(m_context, realm_constructor, arg_count, arg_values, &exception);
if (exception) {
return @{@"error": @(RJSStringForValue(_context, exception).c_str())};
return (json){{"error", RJSStringForValue(m_context, exception)}};
}
RPCObjectID realmId = [self storeObject:realmObject];
return @{@"result": @(realmId)};
RPCObjectID realm_id = store_object(realm_object);
return (json){{"result", realm_id}};
};
_requests["/begin_transaction"] = [=](NSDictionary *dict) {
RPCObjectID realmId = [dict[@"realmId"] unsignedLongValue];
RJSGetInternal<realm::SharedRealm *>(_objects[realmId])->get()->begin_transaction();
return nil;
m_requests["/begin_transaction"] = [this](const json dict) {
RPCObjectID realm_id = dict["realmId"].get<RPCObjectID>();
RJSGetInternal<realm::SharedRealm *>(m_objects[realm_id])->get()->begin_transaction();
return json::object();
};
_requests["/cancel_transaction"] = [=](NSDictionary *dict) {
RPCObjectID realmId = [dict[@"realmId"] unsignedLongValue];
RJSGetInternal<realm::SharedRealm *>(_objects[realmId])->get()->cancel_transaction();
return nil;
m_requests["/cancel_transaction"] = [this](const json dict) {
RPCObjectID realm_id = dict["realmId"].get<RPCObjectID>();
RJSGetInternal<realm::SharedRealm *>(m_objects[realm_id])->get()->cancel_transaction();
return json::object();
};
_requests["/commit_transaction"] = [=](NSDictionary *dict) {
RPCObjectID realmId = [dict[@"realmId"] unsignedLongValue];
RJSGetInternal<realm::SharedRealm *>(_objects[realmId])->get()->commit_transaction();
return nil;
m_requests["/commit_transaction"] = [this](const json dict) {
RPCObjectID realm_id = dict["realmId"].get<RPCObjectID>();
RJSGetInternal<realm::SharedRealm *>(m_objects[realm_id])->get()->commit_transaction();
return json::object();
};
_requests["/call_method"] = [=](NSDictionary *dict) {
return [self performObjectMethod:dict[@"name"]
args:dict[@"arguments"]
objectId:[dict[@"id"] unsignedLongValue]];
m_requests["/call_method"] = [this](const json dict) {
JSObjectRef object = m_objects[dict["id"].get<RPCObjectID>()];
JSStringRef method_string = RJSStringForString(dict["name"].get<std::string>());
JSObjectRef function = RJSValidatedObjectProperty(m_context, object, method_string);
JSStringRelease(method_string);
json args = dict["arguments"];
size_t count = args.size();
JSValueRef arg_values[count];
for (size_t i = 0; i < count; i++) {
arg_values[i] = deserialize_json_value(args[i]);
}
JSValueRef exception = NULL;
JSValueRef result = JSObjectCallAsFunction(m_context, function, object, count, arg_values, &exception);
if (exception) {
return (json){{"error", RJSStringForValue(m_context, exception)}};
}
return (json){{"result", serialize_json_value(result)}};
};
_requests["/get_property"] = [=](NSDictionary *dict) {
RPCObjectID oid = [dict[@"id"] unsignedLongValue];
id name = dict[@"name"];
m_requests["/get_property"] = [this](const json dict) {
RPCObjectID oid = dict["id"].get<RPCObjectID>();
json name = dict["name"];
JSValueRef value = NULL;
JSValueRef exception = NULL;
if ([name isKindOfClass:[NSNumber class]]) {
value = JSObjectGetPropertyAtIndex(_context, _objects[oid], [name unsignedIntValue], &exception);
if (name.is_number()) {
value = JSObjectGetPropertyAtIndex(m_context, m_objects[oid], name.get<unsigned int>(), &exception);
}
else {
JSStringRef propString = RJSStringForString([name UTF8String]);
value = JSObjectGetProperty(_context, _objects[oid], propString, &exception);
JSStringRelease(propString);
JSStringRef prop_string = RJSStringForString(name.get<std::string>());
value = JSObjectGetProperty(m_context, m_objects[oid], prop_string, &exception);
JSStringRelease(prop_string);
}
if (exception) {
return @{@"error": @(RJSStringForValue(_context, exception).c_str())};
return (json){{"error", RJSStringForValue(m_context, exception)}};
}
return @{@"result": [self resultForJSValue:value]};
return (json){{"result", serialize_json_value(value)}};
};
_requests["/set_property"] = [=](NSDictionary *dict) {
RPCObjectID oid = [dict[@"id"] unsignedLongValue];
id name = dict[@"name"];
JSValueRef value = [self deserializeDictionaryValue:dict[@"value"]];
m_requests["/set_property"] = [this](const json dict) {
RPCObjectID oid = dict["id"].get<RPCObjectID>();
json name = dict["name"];
JSValueRef value = deserialize_json_value(dict["value"]);
JSValueRef exception = NULL;
if ([name isKindOfClass:[NSNumber class]]) {
JSObjectSetPropertyAtIndex(_context, _objects[oid], [name unsignedIntValue], value, &exception);
if (name.is_number()) {
JSObjectSetPropertyAtIndex(m_context, m_objects[oid], name.get<unsigned int>(), value, &exception);
}
else {
JSStringRef propString = RJSStringForString([name UTF8String]);
JSObjectSetProperty(_context, _objects[oid], propString, value, 0, &exception);
JSStringRelease(propString);
JSStringRef prop_string = RJSStringForString(name.get<std::string>());
JSObjectSetProperty(m_context, m_objects[oid], prop_string, value, 0, &exception);
JSStringRelease(prop_string);
}
if (exception) {
return @{@"error": @(RJSStringForValue(_context, exception).c_str())};
return (json){{"error", RJSStringForValue(m_context, exception)}};
}
return @{};
return json::object();
};
_requests["/dispose_object"] = [=](NSDictionary *dict) {
RPCObjectID oid = [dict[@"id"] unsignedLongValue];
JSValueUnprotect(_context, _objects[oid]);
_objects.erase(oid);
return nil;
m_requests["/dispose_object"] = [this](const json dict) {
RPCObjectID oid = dict["id"].get<RPCObjectID>();
JSValueUnprotect(m_context, m_objects[oid]);
m_objects.erase(oid);
return json::object();
};
_requests["/clear_test_state"] = [=](NSDictionary *dict) {
for (auto object : _objects) {
m_requests["/clear_test_state"] = [this](const json dict) {
for (auto object : m_objects) {
// The session ID points to the Realm constructor object, which should remain.
if (object.first == _sessionID) {
if (object.first == m_session_id) {
continue;
}
JSValueUnprotect(_context, object.second);
_objects.erase(object.first);
JSValueUnprotect(m_context, object.second);
m_objects.erase(object.first);
}
JSGarbageCollect(_context);
JSGarbageCollect(m_context);
[RealmJS clearTestState];
return nil;
return json::object();
};
}
return self;
RPCServer::~RPCServer() {
for (auto item : m_objects) {
JSValueUnprotect(m_context, item.second);
}
- (NSDictionary *)performRequest:(NSString *)name args:(NSDictionary *)args {
// perform all realm ops on the main thread
RPCRequest action = _requests[name.UTF8String];
JSGlobalContextRelease(m_context);
}
json RPCServer::perform_request(std::string name, json &args) {
try {
RPCRequest action = m_requests[name];
assert(action);
__block id response;
dispatch_sync(dispatch_get_main_queue(), ^{
if (_sessionID != [args[@"sessionId"] unsignedLongValue]) {
response = @{@"error": @"Invalid session ID"};
return;
if (name == "/create_session" || m_session_id == args["sessionId"].get<RPCObjectID>()) {
return action(args);
}
else {
return {{"error", "Invalid session ID"}};
}
try {
response = action(args);
} catch (std::exception &exception) {
response = @{@"error": [@"exception thrown: " stringByAppendingString:@(exception.what())]};
return {{"error", (std::string)"exception thrown: " + exception.what()}};
}
});
return response ?: @{};
}
- (NSDictionary *)performObjectMethod:(NSString *)method args:(NSArray *)args objectId:(RPCObjectID)oid {
JSObjectRef object = _objects[oid];
JSStringRef methodString = RJSStringForString(method.UTF8String);
JSObjectRef function = RJSValidatedObjectProperty(_context, object, methodString);
JSStringRelease(methodString);
NSUInteger argCount = args.count;
JSValueRef argValues[argCount];
for (NSUInteger i = 0; i < argCount; i++) {
argValues[i] = [self deserializeDictionaryValue:args[i]];
}
JSValueRef exception = NULL;
JSValueRef result = JSObjectCallAsFunction(_context, function, object, argCount, argValues, &exception);
if (exception) {
return @{@"error": @(RJSStringForValue(_context, exception).c_str())};
}
return @{@"result": [self resultForJSValue:result]};
}
- (RPCObjectID)storeObject:(JSObjectRef)object {
RPCObjectID RPCServer::store_object(JSObjectRef object) {
static RPCObjectID s_next_id = 1;
RPCObjectID next_id = s_next_id++;
JSValueProtect(_context, object);
_objects[next_id] = object;
JSValueProtect(m_context, object);
m_objects[next_id] = object;
return next_id;
}
- (NSDictionary *)resultForJSValue:(JSValueRef)value {
switch (JSValueGetType(_context, value)) {
json RPCServer::serialize_json_value(JSValueRef value) {
switch (JSValueGetType(m_context, value)) {
case kJSTypeUndefined:
return @{};
return json::object();
case kJSTypeNull:
return @{@"value": [NSNull null]};
return {{"value", json(nullptr)}};
case kJSTypeBoolean:
return @{@"value": @(JSValueToBoolean(_context, value))};
return {{"value", JSValueToBoolean(m_context, value)}};
case kJSTypeNumber:
return @{@"value": @(JSValueToNumber(_context, value, NULL))};
return {{"value", JSValueToNumber(m_context, value, NULL)}};
case kJSTypeString:
return @{@"value": @(RJSStringForValue(_context, value).c_str())};
return {{"value", RJSStringForValue(m_context, value)}};
case kJSTypeObject:
break;
}
JSObjectRef jsObject = JSValueToObject(_context, value, NULL);
JSObjectRef js_object = JSValueToObject(m_context, value, NULL);
if (JSValueIsObjectOfClass(_context, value, RJSObjectClass())) {
realm::Object *object = RJSGetInternal<realm::Object *>(jsObject);
RPCObjectID oid = [self storeObject:jsObject];
return @{
@"type": @(RJSTypeGet(realm::PropertyTypeObject).c_str()),
@"id": @(oid),
@"schema": [self objectSchemaToJSONObject:object->object_schema]
if (JSValueIsObjectOfClass(m_context, value, RJSObjectClass())) {
realm::Object *object = RJSGetInternal<realm::Object *>(js_object);
return {
{"type", RJSTypeGet(realm::PropertyTypeObject)},
{"id", store_object(js_object)},
{"schema", serialize_object_schema(object->object_schema)}
};
}
else if (JSValueIsObjectOfClass(_context, value, RJSListClass())) {
realm::List *list = RJSGetInternal<realm::List *>(jsObject);
RPCObjectID oid = [self storeObject:jsObject];
return @{
@"type": @(RJSTypeGet(realm::PropertyTypeArray).c_str()),
@"id": @(oid),
@"size": @(list->link_view->size()),
@"schema": [self objectSchemaToJSONObject:list->object_schema]
else if (JSValueIsObjectOfClass(m_context, value, RJSListClass())) {
realm::List *list = RJSGetInternal<realm::List *>(js_object);
return {
{"type", RJSTypeGet(realm::PropertyTypeArray)},
{"id", store_object(js_object)},
{"size", list->link_view->size()},
{"schema", serialize_object_schema(list->object_schema)}
};
}
else if (JSValueIsObjectOfClass(_context, value, RJSResultsClass())) {
realm::Results *results = RJSGetInternal<realm::Results *>(jsObject);
RPCObjectID oid = [self storeObject:jsObject];
return @{
@"type": @(RealmObjectTypesResults),
@"id": @(oid),
@"size": @(results->size()),
@"schema": [self objectSchemaToJSONObject:results->object_schema]
else if (JSValueIsObjectOfClass(m_context, value, RJSResultsClass())) {
realm::Results *results = RJSGetInternal<realm::Results *>(js_object);
return {
{"type", RealmObjectTypesResults},
{"id", store_object(js_object)},
{"size", results->size()},
{"schema", serialize_object_schema(results->object_schema)}
};
}
else if (JSValueIsObjectOfClass(_context, value, RJSNotificationClass())) {
RPCObjectID oid = [self storeObject:jsObject];
return @{
@"type": @(RealmObjectTypesNotification),
@"id": @(oid),
else if (JSValueIsObjectOfClass(m_context, value, RJSNotificationClass())) {
return {
{"type", RealmObjectTypesNotification},
{"id", store_object(js_object)},
};
}
else if (RJSIsValueArray(_context, value)) {
size_t length = RJSValidatedListLength(_context, jsObject);
NSMutableArray *array = [NSMutableArray new];
else if (RJSIsValueArray(m_context, value)) {
size_t length = RJSValidatedListLength(m_context, js_object);
std::vector<json> array;
for (unsigned int i = 0; i < length; i++) {
[array addObject:[self resultForJSValue:JSObjectGetPropertyAtIndex(_context, jsObject, i, NULL)]];
array.push_back(serialize_json_value(JSObjectGetPropertyAtIndex(m_context, js_object, i, NULL)));
}
return @{@"value": array};
return {{"value", array}};
}
else if (RJSIsValueDate(_context, value)) {
return @{
@"type": @(RJSTypeGet(realm::PropertyTypeDate).c_str()),
@"value": @(RJSValidatedValueToNumber(_context, value)),
else if (RJSIsValueDate(m_context, value)) {
return {
{"type", RJSTypeGet(realm::PropertyTypeDate)},
{"value", RJSValidatedValueToNumber(m_context, value)},
};
}
else {
assert(0);
}
json RPCServer::serialize_object_schema(realm::ObjectSchema &object_schema) {
json properties = json::array();
for (realm::Property prop : object_schema.properties) {
properties.push_back({
{"name", prop.name},
{"type", RJSTypeGet(prop.type)},
});
}
- (NSDictionary *)objectSchemaToJSONObject:(realm::ObjectSchema &)objectSchema {
NSMutableArray *properties = [[NSMutableArray alloc] init];
for (realm::Property prop : objectSchema.properties) {
NSDictionary *dict = @{
@"name": @(prop.name.c_str()),
@"type": @(RJSTypeGet(prop.type).c_str()),
};
[properties addObject:dict];
}
return @{
@"name": @(objectSchema.name.c_str()),
@"properties": properties,
return {
{"name", object_schema.name},
{"properties", properties},
};
}
- (JSValueRef)deserializeDictionaryValue:(NSDictionary *)dict {
RPCObjectID oid = [dict[@"id"] longValue];
if (oid) {
return _objects[oid];
JSValueRef RPCServer::deserialize_json_value(const json dict)
{
json oid = dict["id"];
if (oid.is_number()) {
return m_objects[oid.get<RPCObjectID>()];
}
NSString *type = dict[@"type"];
id value = dict[@"value"];
if ([type isEqualToString:@(RealmObjectTypesFunction)]) {
json value = dict["value"];
json type = dict["type"];
if (type.is_string()) {
std::string type_string = type.get<std::string>();
if (type_string == RealmObjectTypesFunction) {
// FIXME: Make this actually call the function by its id once we need it to.
JSStringRef jsBody = JSStringCreateWithUTF8CString("");
JSObjectRef jsFunction = JSObjectMakeFunction(_context, NULL, 0, NULL, jsBody, NULL, 1, NULL);
JSStringRelease(jsBody);
JSStringRef js_body = JSStringCreateWithUTF8CString("");
JSObjectRef js_function = JSObjectMakeFunction(m_context, NULL, 0, NULL, js_body, NULL, 1, NULL);
JSStringRelease(js_body);
return jsFunction;
return js_function;
}
else if ([type isEqualToString:@(RJSTypeGet(realm::PropertyTypeDate).c_str())]) {
else if (type_string == RJSTypeGet(realm::PropertyTypeDate)) {
JSValueRef exception = NULL;
JSValueRef time = JSValueMakeNumber(_context, [value doubleValue]);
JSObjectRef date = JSObjectMakeDate(_context, 1, &time, &exception);
JSValueRef time = JSValueMakeNumber(m_context, value.get<double>());
JSObjectRef date = JSObjectMakeDate(m_context, 1, &time, &exception);
if (exception) {
throw RJSException(_context, exception);
throw RJSException(m_context, exception);
}
return date;
}
if (!value) {
return JSValueMakeUndefined(_context);
}
else if ([value isKindOfClass:[NSNull class]]) {
return JSValueMakeNull(_context);
}
else if ([value isKindOfClass:[@YES class]]) {
return JSValueMakeBoolean(_context, [value boolValue]);
}
else if ([value isKindOfClass:[NSNumber class]]) {
return JSValueMakeNumber(_context, [value doubleValue]);
}
else if ([value isKindOfClass:[NSString class]]) {
return RJSValueForString(_context, std::string([value UTF8String]));
}
else if ([value isKindOfClass:[NSArray class]]) {
NSUInteger count = [value count];
JSValueRef jsValues[count];
for (NSUInteger i = 0; i < count; i++) {
jsValues[i] = [self deserializeDictionaryValue:value[i]];
}
return JSObjectMakeArray(_context, count, jsValues, NULL);
if (value.is_null()) {
return JSValueMakeNull(m_context);
}
else if ([value isKindOfClass:[NSDictionary class]]) {
JSObjectRef jsObject = JSObjectMake(_context, NULL, NULL);
else if (value.is_boolean()) {
return JSValueMakeBoolean(m_context, value.get<bool>());
}
else if (value.is_number()) {
return JSValueMakeNumber(m_context, value.get<double>());
}
else if (value.is_string()) {
return RJSValueForString(m_context, value.get<std::string>());
}
else if (value.is_array()) {
size_t count = value.size();
JSValueRef js_values[count];
for (NSString *key in value) {
JSValueRef jsValue = [self deserializeDictionaryValue:value[key]];
JSStringRef jsKey = JSStringCreateWithCFString((__bridge CFStringRef)key);
JSObjectSetProperty(_context, jsObject, jsKey, jsValue, 0, NULL);
JSStringRelease(jsKey);
for (size_t i = 0; i < count; i++) {
js_values[i] = deserialize_json_value(value.at(i));
}
return jsObject;
return JSObjectMakeArray(m_context, count, js_values, NULL);
}
else if (value.is_object()) {
JSObjectRef js_object = JSObjectMake(m_context, NULL, NULL);
for (json::iterator it = value.begin(); it != value.end(); ++it) {
JSValueRef js_value = deserialize_json_value(it.value());
JSStringRef js_key = JSStringCreateWithUTF8CString(it.key().c_str());
JSObjectSetProperty(m_context, js_object, js_key, js_value, 0, NULL);
JSStringRelease(js_key);
}
return JSValueMakeUndefined(_context);
return js_object;
}
@end
return JSValueMakeUndefined(m_context);
}

View File

@ -41,6 +41,7 @@ static id<RCTJavaScriptExecutor> s_currentJavaScriptExecutor;
}
s_currentJavaScriptExecutor = [bridge valueForKey:@"javaScriptExecutor"];
assert(s_currentJavaScriptExecutor);
// FIXME: Remove this nonsense once the crashes go away when a test fails!
JSGlobalContextRef ctx = RealmReactGetJSGlobalContextForExecutor(s_currentJavaScriptExecutor, false);

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vendor/json.hpp vendored Normal file

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