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1 /* | |
2 * Copyright (c) 2011 The Native Client Authors. All rights reserved. | |
3 * Use of this source code is governed by a BSD-style license that can be | |
4 * found in the LICENSE file. | |
5 */ | |
6 | |
7 #ifndef NATIVE_CLIENT_SRC_TRUSTED_MANIFEST_NAME_SERVICE_PROXY_MANIFEST_PROXY_H_ | |
8 #define NATIVE_CLIENT_SRC_TRUSTED_MANIFEST_NAME_SERVICE_PROXY_MANIFEST_PROXY_H_ | |
9 | |
10 #include "native_client/src/include/nacl_base.h" | |
11 | |
12 #include "native_client/src/shared/srpc/nacl_srpc.h" | |
13 #include "native_client/src/trusted/service_runtime/sel_ldr_thread_interface.h" | |
14 #include "native_client/src/trusted/simple_service/nacl_simple_service.h" | |
15 | |
16 EXTERN_C_BEGIN | |
17 | |
18 struct NaClSecureService; | |
19 | |
20 /* | |
21 * Trusted SRPC server that proxies name service lookups to the | |
22 * browser plugin. This is Pepper2-specific code that could, in | |
23 * principle, be generalized. | |
24 * | |
25 * Manifest names are "short names". These are often sonames for | |
26 * dynamic libraries, but may be any read-only resource that the NaCl | |
27 * application needs, e.g., level data files, audio samples, etc. | |
28 */ | |
29 | |
30 struct NaClManifestProxy { | |
31 struct NaClSimpleService base NACL_IS_REFCOUNT_SUBCLASS; | |
32 | |
33 struct NaClSecureService *server; | |
34 }; | |
35 | |
36 struct NaClManifestProxyConnection { | |
37 struct NaClSimpleServiceConnection base NACL_IS_REFCOUNT_SUBCLASS; | |
38 | |
39 struct NaClMutex mu; | |
40 struct NaClCondVar cv; | |
41 int channel_initialized; | |
42 struct NaClSrpcChannel client_channel; | |
43 }; | |
44 | |
45 extern struct NaClSimpleServiceVtbl const kNaClManifestProxyVtbl; | |
46 | |
47 /* | |
48 * The client reference is used by the connection factory to initiate a | |
49 * reverse connection: the connection factory enqueue a callback via | |
50 * the NaClSecureReverseClientCtor that wakes up the connection | |
51 * factory which issues an upcall on the existing reverse connection | |
52 * to ask for a new one. When the new connection arrives, the | |
53 * NaClManifestProxyConnectionFactory can wrap the reverse channel in | |
54 * the NaClManifestConnection object, and subsequent RPC handlers use | |
55 * the connection object's reverse channel to forward RPC requests. | |
56 */ | |
57 int NaClManifestProxyCtor(struct NaClManifestProxy *self, | |
58 NaClThreadIfFactoryFunction thread_factory_fn, | |
59 void *thread_factory_data, | |
60 struct NaClSecureService *service); | |
61 | |
62 int NaClManifestProxyConnectionCtor(struct NaClManifestProxyConnection *self, | |
63 struct NaClManifestProxy *server, | |
64 struct NaClDesc *conn); | |
65 | |
66 int NaClManifestProxyConnectionFactory( | |
67 struct NaClSimpleService *vself, | |
68 struct NaClDesc *conn, | |
69 struct NaClSimpleServiceConnection **out); | |
70 | |
71 extern struct NaClSimpleServiceConnectionVtbl | |
72 const kNaClManifestProxyConnectionVtbl; | |
73 | |
74 EXTERN_C_END | |
75 | |
76 #endif | |
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