1 /*
2 * Copyright (C) 2023 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15 #include "ffi_utils.h"
16 #include "oh_usb.h"
17 #include "usb_util.h"
18 #include "log.h"
19
20 #include <string>
21
22 namespace Hdc {
ConfigEpPointEx(const char * path)23 extern "C" int32_t ConfigEpPointEx(const char* path)
24 {
25 int ep;
26 if (ConfigEpPoint(ep, std::string(path)) != 0) {
27 WRITE_LOG(LOG_WARN, "open ep failed");
28 return -1;
29 }
30 return static_cast<int32_t>(ep);
31 }
32
OpenEpPointEx(const char * path)33 extern "C" int32_t OpenEpPointEx(const char* path)
34 {
35 int fd = -1;
36 if (OpenEpPoint(fd, std::string(path)) != 0) {
37 WRITE_LOG(LOG_WARN, "open ep failed");
38 return -1;
39 }
40 return static_cast<int32_t>(fd);
41 }
42
CloseUsbFdEx(int32_t fd)43 extern "C" int32_t CloseUsbFdEx(int32_t fd)
44 {
45 return static_cast<int32_t>(CloseUsbFd(fd));
46 }
47
CloseEndPointEx(int32_t bulkInFd,int32_t bulkOutFd,int32_t ctrlEp,uint8_t closeCtrlEp)48 extern "C" void CloseEndPointEx(int32_t bulkInFd, int32_t bulkOutFd, int32_t ctrlEp,
49 uint8_t closeCtrlEp)
50 {
51 CloseEndpoint(bulkInFd, bulkOutFd, ctrlEp, closeCtrlEp);
52 }
53
WriteUsbDevEx(int32_t bulkOut,SerializedBuffer buf)54 extern "C" int32_t WriteUsbDevEx(int32_t bulkOut, SerializedBuffer buf)
55 {
56 return static_cast<int32_t>(WriteData(bulkOut, reinterpret_cast<uint8_t *>(buf.ptr),
57 static_cast<size_t>(buf.size)));
58 }
59
60 uint8_t *g_bufRet = nullptr;
61
62 struct PersistBuffer {
63 char *ptr;
64 uint64_t size;
65 };
66
ReadUsbDevEx(int32_t bulkIn)67 extern "C" PersistBuffer ReadUsbDevEx(int32_t bulkIn)
68 {
69 if (g_bufRet == nullptr) {
70 WRITE_LOG(LOG_WARN, "remalloc g_bufRet\n");
71 g_bufRet = new uint8_t[MAX_SIZE_IOBUF];
72 }
73
74 while (true) {
75 int length = ReadData(bulkIn, g_bufRet, MAX_SIZE_IOBUF);
76 if (length > 0) {
77 return PersistBuffer{reinterpret_cast<char *>(g_bufRet), static_cast<uint64_t>(length)};
78 } else if (length < 0) {
79 return PersistBuffer{reinterpret_cast<char *>(g_bufRet), static_cast<uint64_t>(0)};
80 }
81 }
82 }
83
GetDevPathEx(const char * path)84 extern "C" char *GetDevPathEx(const char *path)
85 {
86 std::string basePath = GetDevPath(std::string(path));
87 size_t buf_size = basePath.length() + 1;
88 char *bufRet = new char[buf_size];
89 (void)memset_s(bufRet, buf_size, 0, buf_size);
90 (void)memcpy_s(bufRet, buf_size, basePath.c_str(), buf_size);
91 return bufRet;
92 }
93
94 }
95