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1 /*
2 * Copyright (c) 2011-2015, Intel Corporation
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation and/or
13 * other materials provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors
16 * may be used to endorse or promote products derived from this software without
17 * specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30 #include <fstream>
31 #include <assert.h>
32 #include "TESTSubsystem.h"
33 #include "TESTSubsystemBinary.h"
34 #include "TESTSubsystemString.h"
35 #include "TESTMappingKeys.h"
36 #include "SubsystemObjectFactory.h"
37 #include <stdlib.h>
38 #include <stdio.h>
39 
40 #define base CSubsystem
41 
42 // Directory for isAlive and NeedResync files
43 const char *gacFwNamePropName = getenv("PFW_RESULT");
44 
45 // Implementation
CTESTSubsystem(const std::string & strName,core::log::Logger & logger)46 CTESTSubsystem::CTESTSubsystem(const std::string &strName, core::log::Logger &logger)
47     : base(strName, logger)
48 {
49     // Provide mapping keys to upper layer
50     addContextMappingKey("Directory");
51     addContextMappingKey("Log");
52 
53     // Provide creators to upper layer
54     addSubsystemObjectFactory(
55         new TSubsystemObjectFactory<CTESTSubsystemBinary>("Binary", 1 << ETESTDirectory));
56     addSubsystemObjectFactory(
57         new TSubsystemObjectFactory<CTESTSubsystemString>("String", 1 << ETESTDirectory));
58 }
59 
60 // Susbsystem sanity health
isAlive() const61 bool CTESTSubsystem::isAlive() const
62 {
63     assert(gacFwNamePropName != NULL);
64     return read(std::string(gacFwNamePropName) + "/isAlive") == "true";
65 }
66 
67 // Resynchronization after subsystem restart needed
needResync(bool bClear)68 bool CTESTSubsystem::needResync(bool bClear)
69 {
70     assert(gacFwNamePropName != NULL);
71     std::string strNeedResyncFile = std::string(gacFwNamePropName) + "/needResync";
72     bool bNeedResync;
73 
74     bNeedResync = read(strNeedResyncFile) == "true";
75 
76     if (!bNeedResync) {
77 
78         // subsystem does not need resync
79         return false;
80     } else {
81         // subsystem needs resync
82         // If indicated, clear need resync state
83         if (bClear) {
84 
85             write(strNeedResyncFile, "false");
86         }
87 
88         return true;
89     }
90 }
91 
92 // Read boolean from file
read(const std::string & strFileName)93 std::string CTESTSubsystem::read(const std::string &strFileName)
94 {
95     std::ifstream file;
96     std::string strContent;
97 
98     file.open(strFileName.c_str());
99 
100     file >> strContent;
101 
102     return strContent;
103 }
104 
105 // Write boolean to file
write(const std::string & strFileName,const std::string & strContent)106 void CTESTSubsystem::write(const std::string &strFileName, const std::string &strContent)
107 {
108     std::ofstream file;
109 
110     file.open(strFileName.c_str());
111 
112     assert(file.is_open());
113 
114     file << strContent;
115 }
116