1 /*
2 * Copyright 2020 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <nos/NuggetClientDebuggable.h>
18 #include <limits>
19 #include <nos/transport.h>
20 #include <application.h>
21
22 namespace nos {
23
NuggetClientDebuggable(const char * name,uint32_t config,request_cb_t req_fn,response_cb_t resp_fn)24 NuggetClientDebuggable::NuggetClientDebuggable(
25 const char* name, uint32_t config,
26 request_cb_t req_fn, response_cb_t resp_fn)
27 : NuggetClient(name, config),
28 request_cb_(req_fn), response_cb_(resp_fn) {}
29
CallApp(uint32_t appId,uint16_t arg,const std::vector<uint8_t> & request,std::vector<uint8_t> * response)30 uint32_t NuggetClientDebuggable::CallApp(uint32_t appId, uint16_t arg,
31 const std::vector<uint8_t>& request,
32 std::vector<uint8_t>* response) {
33 if (!open_) {
34 return APP_ERROR_IO;
35 }
36
37 if (request.size() > std::numeric_limits<uint32_t>::max()) {
38 return APP_ERROR_TOO_MUCH;
39 }
40
41 const uint32_t requestSize = request.size();
42 uint32_t replySize = 0;
43 uint8_t* replyData = nullptr;
44
45 if (response != nullptr) {
46 response->resize(response->capacity());
47 replySize = response->size();
48 replyData = response->data();
49 }
50
51 if (request_cb_) {
52 (request_cb_)(request);
53 }
54
55 uint32_t status_code = nos_call_application(&device_, appId, arg,
56 request.data(), requestSize,
57 replyData, &replySize);
58
59 if (response != nullptr) {
60 response->resize(replySize);
61 if (response_cb_) {
62 (response_cb_)(status_code, *response);
63 }
64 }
65
66 return status_code;
67 }
68
69 } // namespace nos
70