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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 part of dart._vmservice; | 5 part of dart._vmservice; |
6 | 6 |
7 class Message { | 7 class Message { |
8 final Completer _completer = new Completer.sync(); | 8 final Completer _completer = new Completer.sync(); |
9 bool get completed => _completer.isCompleted; | 9 bool get completed => _completer.isCompleted; |
| 10 |
10 /// Future of response. | 11 /// Future of response. |
11 Future<String> get response => _completer.future; | 12 Future<String> get response => _completer.future; |
12 Client client; | 13 Client client; |
13 | 14 |
14 // Client-side identifier for this message. | 15 // Client-side identifier for this message. |
15 final serial; | 16 final serial; |
16 | 17 |
17 // In new messages. | 18 // In new messages. |
18 final String method; | 19 final String method; |
19 | 20 |
20 // In old messages. | 21 // In old messages. |
21 final List path = new List(); | 22 final List path = new List(); |
22 | 23 |
23 final Map params = new Map(); | 24 final Map params = new Map(); |
24 | 25 |
25 void _setPath(List<String> pathSegments) { | 26 void _setPath(List<String> pathSegments) { |
26 if (pathSegments == null) { | 27 if (pathSegments == null) { |
27 return; | 28 return; |
28 } | 29 } |
29 pathSegments.forEach((String segment) { | 30 pathSegments.forEach((String segment) { |
30 if (segment == null || segment == '') { | 31 if (segment == null || segment == '') { |
31 return; | 32 return; |
32 } | 33 } |
33 path.add(segment); | 34 path.add(segment); |
34 }); | 35 }); |
35 } | 36 } |
36 | 37 |
37 Message.fromJsonRpc(this.client, Map map) | 38 Message.fromJsonRpc(this.client, Map map) |
38 : serial = map['id'], method = map['method'] { | 39 : serial = map['id'], |
| 40 method = map['method'] { |
39 if (map['params'] != null) { | 41 if (map['params'] != null) { |
40 params.addAll(map['params']); | 42 params.addAll(map['params']); |
41 } | 43 } |
42 } | 44 } |
43 | 45 |
44 static String _methodNameFromUri(Uri uri) { | 46 static String _methodNameFromUri(Uri uri) { |
45 if (uri == null) { | 47 if (uri == null) { |
46 return ''; | 48 return ''; |
47 } | 49 } |
48 if (uri.pathSegments.length == 0) { | 50 if (uri.pathSegments.length == 0) { |
49 return ''; | 51 return ''; |
50 } | 52 } |
51 return uri.pathSegments[0]; | 53 return uri.pathSegments[0]; |
52 } | 54 } |
53 | 55 |
54 Message.forMethod(String method) | 56 Message.forMethod(String method) |
55 : client = null, method = method, serial = ''; | 57 : client = null, |
| 58 method = method, |
| 59 serial = ''; |
56 | 60 |
57 Message.fromUri(this.client, Uri uri) | 61 Message.fromUri(this.client, Uri uri) |
58 : serial = '', method = _methodNameFromUri(uri) { | 62 : serial = '', |
| 63 method = _methodNameFromUri(uri) { |
59 params.addAll(uri.queryParameters); | 64 params.addAll(uri.queryParameters); |
60 } | 65 } |
61 | 66 |
62 Message.forIsolate(this.client, Uri uri, RunningIsolate isolate) | 67 Message.forIsolate(this.client, Uri uri, RunningIsolate isolate) |
63 : serial = '', method = _methodNameFromUri(uri) { | 68 : serial = '', |
| 69 method = _methodNameFromUri(uri) { |
64 params.addAll(uri.queryParameters); | 70 params.addAll(uri.queryParameters); |
65 params['isolateId'] = isolate.serviceId; | 71 params['isolateId'] = isolate.serviceId; |
66 } | 72 } |
67 | 73 |
68 Uri toUri() { | 74 Uri toUri() { |
69 return new Uri(path: method, queryParameters: params); | 75 return new Uri(path: method, queryParameters: params); |
70 } | 76 } |
71 | 77 |
72 dynamic toJson() { | 78 dynamic toJson() { |
73 return { | 79 return {'path': path, 'params': params}; |
74 'path': path, | |
75 'params': params | |
76 }; | |
77 } | 80 } |
78 | 81 |
79 // Calls toString on all non-String elements of [list]. We do this so all | 82 // Calls toString on all non-String elements of [list]. We do this so all |
80 // elements in the list are strings, making consumption by C++ simpler. | 83 // elements in the list are strings, making consumption by C++ simpler. |
81 // This has a side effect that boolean literal values like true become 'true' | 84 // This has a side effect that boolean literal values like true become 'true' |
82 // and thus indistinguishable from the string literal 'true'. | 85 // and thus indistinguishable from the string literal 'true'. |
83 List _makeAllString(List list) { | 86 List _makeAllString(List list) { |
84 if (list == null) { | 87 if (list == null) { |
85 return null; | 88 return null; |
86 } | 89 } |
87 for (var i = 0; i < list.length; i++) { | 90 for (var i = 0; i < list.length; i++) { |
88 if (list[i] is String) { | 91 if (list[i] is String) { |
89 continue; | 92 continue; |
90 } | 93 } |
91 list[i] = list[i].toString(); | 94 list[i] = list[i].toString(); |
92 } | 95 } |
93 return list; | 96 return list; |
94 } | 97 } |
95 | 98 |
96 Future<String> send(SendPort sendPort) { | 99 Future<String> send(SendPort sendPort) { |
97 final receivePort = new RawReceivePort(); | 100 final receivePort = new RawReceivePort(); |
98 receivePort.handler = (value) { | 101 receivePort.handler = (value) { |
99 receivePort.close(); | 102 receivePort.close(); |
100 _completer.complete(value); | 103 _completer.complete(value); |
101 }; | 104 }; |
102 var keys = _makeAllString(params.keys.toList(growable:false)); | 105 var keys = _makeAllString(params.keys.toList(growable: false)); |
103 var values = _makeAllString(params.values.toList(growable:false)); | 106 var values = _makeAllString(params.values.toList(growable: false)); |
104 var request = new List(6) | 107 var request = new List(6) |
105 ..[0] = 0 // Make room for OOB message type. | 108 ..[0] = 0 // Make room for OOB message type. |
106 ..[1] = receivePort.sendPort | 109 ..[1] = receivePort.sendPort |
107 ..[2] = serial | 110 ..[2] = serial |
108 ..[3] = method | 111 ..[3] = method |
109 ..[4] = keys | 112 ..[4] = keys |
110 ..[5] = values; | 113 ..[5] = values; |
111 if (!sendIsolateServiceMessage(sendPort, request)) { | 114 if (!sendIsolateServiceMessage(sendPort, request)) { |
112 receivePort.close(); | 115 receivePort.close(); |
113 _completer.complete(JSON.encode({ | 116 _completer.complete(JSON.encode({ |
114 'type': 'ServiceError', | 117 'type': 'ServiceError', |
115 'id': '', | 118 'id': '', |
116 'kind': 'InternalError', | 119 'kind': 'InternalError', |
117 'message': 'could not send message [${serial}] to isolate', | 120 'message': 'could not send message [${serial}] to isolate', |
118 })); | 121 })); |
119 } | 122 } |
120 return _completer.future; | 123 return _completer.future; |
121 } | 124 } |
122 | 125 |
123 // We currently support two ways of passing parameters from Dart code to C | 126 // We currently support two ways of passing parameters from Dart code to C |
124 // code. The original way always converts the parameters to strings before | 127 // code. The original way always converts the parameters to strings before |
125 // passing them over. Our goal is to convert all C handlers to take the | 128 // passing them over. Our goal is to convert all C handlers to take the |
126 // parameters as Dart objects but until the conversion is complete, we | 129 // parameters as Dart objects but until the conversion is complete, we |
127 // maintain the list of supported methods below. | 130 // maintain the list of supported methods below. |
(...skipping 14 matching lines...) Expand all Loading... |
142 } | 145 } |
143 | 146 |
144 Future<String> sendToVM() { | 147 Future<String> sendToVM() { |
145 final receivePort = new RawReceivePort(); | 148 final receivePort = new RawReceivePort(); |
146 receivePort.handler = (value) { | 149 receivePort.handler = (value) { |
147 receivePort.close(); | 150 receivePort.close(); |
148 _completer.complete(value); | 151 _completer.complete(value); |
149 }; | 152 }; |
150 if (_methodNeedsObjectParameters(method)) { | 153 if (_methodNeedsObjectParameters(method)) { |
151 // We use a different method invocation path here. | 154 // We use a different method invocation path here. |
152 var keys = params.keys.toList(growable:false); | 155 var keys = params.keys.toList(growable: false); |
153 var values = params.values.toList(growable:false); | 156 var values = params.values.toList(growable: false); |
154 var request = new List(6) | 157 var request = new List(6) |
155 ..[0] = 0 // Make room for OOB message type. | 158 ..[0] = 0 // Make room for OOB message type. |
156 ..[1] = receivePort.sendPort | 159 ..[1] = receivePort.sendPort |
157 ..[2] = serial | 160 ..[2] = serial |
158 ..[3] = method | 161 ..[3] = method |
159 ..[4] = keys | 162 ..[4] = keys |
160 ..[5] = values; | 163 ..[5] = values; |
161 sendObjectRootServiceMessage(request); | 164 sendObjectRootServiceMessage(request); |
162 return _completer.future; | 165 return _completer.future; |
163 } else { | 166 } else { |
164 var keys = _makeAllString(params.keys.toList(growable:false)); | 167 var keys = _makeAllString(params.keys.toList(growable: false)); |
165 var values = _makeAllString(params.values.toList(growable:false)); | 168 var values = _makeAllString(params.values.toList(growable: false)); |
166 var request = new List(6) | 169 var request = new List(6) |
167 ..[0] = 0 // Make room for OOB message type. | 170 ..[0] = 0 // Make room for OOB message type. |
168 ..[1] = receivePort.sendPort | 171 ..[1] = receivePort.sendPort |
169 ..[2] = serial | 172 ..[2] = serial |
170 ..[3] = method | 173 ..[3] = method |
171 ..[4] = keys | 174 ..[4] = keys |
172 ..[5] = values; | 175 ..[5] = values; |
173 sendRootServiceMessage(request); | 176 sendRootServiceMessage(request); |
174 return _completer.future; | 177 return _completer.future; |
175 } | 178 } |
176 } | 179 } |
177 | 180 |
178 void setResponse(String response) { | 181 void setResponse(String response) { |
179 _completer.complete(response); | 182 _completer.complete(response); |
180 } | 183 } |
181 | 184 |
182 void setErrorResponse(int code, String details) { | 185 void setErrorResponse(int code, String details) { |
183 _completer.complete(encodeRpcError(this, code, | 186 _completer |
184 details: '$method: $details')); | 187 .complete(encodeRpcError(this, code, details: '$method: $details')); |
185 } | 188 } |
186 } | 189 } |
187 | 190 |
188 external bool sendIsolateServiceMessage(SendPort sp, List m); | 191 external bool sendIsolateServiceMessage(SendPort sp, List m); |
189 external void sendRootServiceMessage(List m); | 192 external void sendRootServiceMessage(List m); |
190 external void sendObjectRootServiceMessage(List m); | 193 external void sendObjectRootServiceMessage(List m); |
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