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Side by Side Diff: mojo/edk/test/test_utils_win.cc

Issue 1350023003: Add a Mojo EDK for Chrome that uses one OS pipe per message pipe. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: more cleanup Created 5 years, 2 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "third_party/mojo/src/mojo/edk/test/test_utils.h" 5 #include "mojo/edk/test/test_utils.h"
6 6
7 #include <windows.h> 7 #include <windows.h>
8 #include <fcntl.h> 8 #include <fcntl.h>
9 #include <io.h> 9 #include <io.h>
10 #include <string.h> 10 #include <string.h>
11 11
12 namespace mojo { 12 namespace mojo {
13 namespace edk {
13 namespace test { 14 namespace test {
14 15
15 bool BlockingWrite(const embedder::PlatformHandle& handle, 16 bool BlockingWrite(const PlatformHandle& handle,
16 const void* buffer, 17 const void* buffer,
17 size_t bytes_to_write, 18 size_t bytes_to_write,
18 size_t* bytes_written) { 19 size_t* bytes_written) {
19 OVERLAPPED overlapped = {0}; 20 OVERLAPPED overlapped = {0};
20 DWORD bytes_written_dword = 0; 21 DWORD bytes_written_dword = 0;
21 22
22 if (!WriteFile(handle.handle, buffer, static_cast<DWORD>(bytes_to_write), 23 if (!WriteFile(handle.handle, buffer, static_cast<DWORD>(bytes_to_write),
23 &bytes_written_dword, &overlapped)) { 24 &bytes_written_dword, &overlapped)) {
24 if (GetLastError() != ERROR_IO_PENDING || 25 if (GetLastError() != ERROR_IO_PENDING ||
25 !GetOverlappedResult(handle.handle, &overlapped, &bytes_written_dword, 26 !GetOverlappedResult(handle.handle, &overlapped, &bytes_written_dword,
26 TRUE)) { 27 TRUE)) {
27 return false; 28 return false;
28 } 29 }
29 } 30 }
30 31
31 *bytes_written = bytes_written_dword; 32 *bytes_written = bytes_written_dword;
32 return true; 33 return true;
33 } 34 }
34 35
35 bool BlockingRead(const embedder::PlatformHandle& handle, 36 bool BlockingRead(const PlatformHandle& handle,
36 void* buffer, 37 void* buffer,
37 size_t buffer_size, 38 size_t buffer_size,
38 size_t* bytes_read) { 39 size_t* bytes_read) {
39 OVERLAPPED overlapped = {0}; 40 OVERLAPPED overlapped = {0};
40 DWORD bytes_read_dword = 0; 41 DWORD bytes_read_dword = 0;
41 42
42 if (!ReadFile(handle.handle, buffer, static_cast<DWORD>(buffer_size), 43 if (!ReadFile(handle.handle, buffer, static_cast<DWORD>(buffer_size),
43 &bytes_read_dword, &overlapped)) { 44 &bytes_read_dword, &overlapped)) {
44 if (GetLastError() != ERROR_IO_PENDING || 45 if (GetLastError() != ERROR_IO_PENDING ||
45 !GetOverlappedResult(handle.handle, &overlapped, &bytes_read_dword, 46 !GetOverlappedResult(handle.handle, &overlapped, &bytes_read_dword,
46 TRUE)) { 47 TRUE)) {
47 return false; 48 return false;
48 } 49 }
49 } 50 }
50 51
51 *bytes_read = bytes_read_dword; 52 *bytes_read = bytes_read_dword;
52 return true; 53 return true;
53 } 54 }
54 55
55 bool NonBlockingRead(const embedder::PlatformHandle& handle, 56 bool NonBlockingRead(const PlatformHandle& handle,
56 void* buffer, 57 void* buffer,
57 size_t buffer_size, 58 size_t buffer_size,
58 size_t* bytes_read) { 59 size_t* bytes_read) {
59 OVERLAPPED overlapped = {0}; 60 OVERLAPPED overlapped = {0};
60 DWORD bytes_read_dword = 0; 61 DWORD bytes_read_dword = 0;
61 62
62 if (!ReadFile(handle.handle, buffer, static_cast<DWORD>(buffer_size), 63 if (!ReadFile(handle.handle, buffer, static_cast<DWORD>(buffer_size),
63 &bytes_read_dword, &overlapped)) { 64 &bytes_read_dword, &overlapped)) {
64 if (GetLastError() != ERROR_IO_PENDING) 65 if (GetLastError() != ERROR_IO_PENDING)
65 return false; 66 return false;
66 67
67 CancelIo(handle.handle); 68 CancelIo(handle.handle);
68 69
69 if (!GetOverlappedResult(handle.handle, &overlapped, &bytes_read_dword, 70 if (!GetOverlappedResult(handle.handle, &overlapped, &bytes_read_dword,
70 TRUE)) { 71 TRUE)) {
71 *bytes_read = 0; 72 *bytes_read = 0;
72 return true; 73 return true;
73 } 74 }
74 } 75 }
75 76
76 *bytes_read = bytes_read_dword; 77 *bytes_read = bytes_read_dword;
77 return true; 78 return true;
78 } 79 }
79 80
80 embedder::ScopedPlatformHandle PlatformHandleFromFILE(base::ScopedFILE fp) { 81 ScopedPlatformHandle PlatformHandleFromFILE(base::ScopedFILE fp) {
81 CHECK(fp); 82 CHECK(fp);
82 83
83 HANDLE rv = INVALID_HANDLE_VALUE; 84 HANDLE rv = INVALID_HANDLE_VALUE;
84 PCHECK(DuplicateHandle( 85 PCHECK(DuplicateHandle(
85 GetCurrentProcess(), 86 GetCurrentProcess(),
86 reinterpret_cast<HANDLE>(_get_osfhandle(_fileno(fp.get()))), 87 reinterpret_cast<HANDLE>(_get_osfhandle(_fileno(fp.get()))),
87 GetCurrentProcess(), &rv, 0, TRUE, DUPLICATE_SAME_ACCESS)) 88 GetCurrentProcess(), &rv, 0, TRUE, DUPLICATE_SAME_ACCESS))
88 << "DuplicateHandle"; 89 << "DuplicateHandle";
89 return embedder::ScopedPlatformHandle(embedder::PlatformHandle(rv)); 90 return ScopedPlatformHandle(PlatformHandle(rv));
90 } 91 }
91 92
92 base::ScopedFILE FILEFromPlatformHandle(embedder::ScopedPlatformHandle h, 93 base::ScopedFILE FILEFromPlatformHandle(ScopedPlatformHandle h,
93 const char* mode) { 94 const char* mode) {
94 CHECK(h.is_valid()); 95 CHECK(h.is_valid());
95 // Microsoft's documentation for |_open_osfhandle()| only discusses these 96 // Microsoft's documentation for |_open_osfhandle()| only discusses these
96 // flags (and |_O_WTEXT|). Hmmm. 97 // flags (and |_O_WTEXT|). Hmmm.
97 int flags = 0; 98 int flags = 0;
98 if (strchr(mode, 'a')) 99 if (strchr(mode, 'a'))
99 flags |= _O_APPEND; 100 flags |= _O_APPEND;
100 if (strchr(mode, 'r')) 101 if (strchr(mode, 'r'))
101 flags |= _O_RDONLY; 102 flags |= _O_RDONLY;
102 if (strchr(mode, 't')) 103 if (strchr(mode, 't'))
103 flags |= _O_TEXT; 104 flags |= _O_TEXT;
104 base::ScopedFILE rv(_fdopen( 105 base::ScopedFILE rv(_fdopen(
105 _open_osfhandle(reinterpret_cast<intptr_t>(h.release().handle), flags), 106 _open_osfhandle(reinterpret_cast<intptr_t>(h.release().handle), flags),
106 mode)); 107 mode));
107 PCHECK(rv) << "_fdopen"; 108 PCHECK(rv) << "_fdopen";
108 return rv.Pass(); 109 return rv.Pass();
109 } 110 }
110 111
111 } // namespace test 112 } // namespace test
113 } // namespace edk
112 } // namespace mojo 114 } // namespace mojo
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