1 /*
2  * \file       device_parser.cpp
3  * \brief      OpenCSD : Snapshot Parser Library
4  *
5  * \copyright  Copyright (c) 2015, ARM Limited. All Rights Reserved.
6  */
7 
8 /*
9  * Redistribution and use in source and binary forms, with or without modification,
10  * are permitted provided that the following conditions are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright notice,
13  * this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright notice,
16  * this list of conditions and the following disclaimer in the documentation
17  * and/or other materials provided with the distribution.
18  *
19  * 3. Neither the name of the copyright holder nor the names of its contributors
20  * may be used to endorse or promote products derived from this software without
21  * specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
25  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26  * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
27  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
29  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
30  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
32  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33  */
34 #include "device_parser.h"
35 
36 #include "snapshot_parser.h"
37 
38 #include <sstream>
39 #include <iostream>
40 #include <string>
41 #include <memory>
42 #include <cstdio>
43 
44 #include "common/ocsd_error.h"
45 
46 using namespace std;
47 
ModernSnapshotParser()48 ModernSnapshotParser::ModernSnapshotParser() : initialised(false), traceMetaDataIni("")
49 {
50 }
51 
ModernSnapshotParser(std::istream & iss)52 ModernSnapshotParser::ModernSnapshotParser( std::istream &iss) : initialised(false), traceMetaDataIni("")
53 {
54     Parser::ParsedDevices pd = Parser::ParseDeviceList(iss);
55     std::map<std::string, std::string> rawList = pd.deviceList;
56     std::map<std::string, std::string>::iterator it;
57     for (it = rawList.begin(); it != rawList.end(); ++it )
58     {
59         addDevice(it->first, it->second);
60     }
61     snaphotInfo = pd.snapshotInfo;
62     this->traceMetaDataIni = pd.traceMetaDataName;
63     initialised = true;
64 }
65 
~ModernSnapshotParser()66 ModernSnapshotParser::~ModernSnapshotParser()
67 {
68 }
69 
addDevice(std::string rawName,std::string path)70 void ModernSnapshotParser::addDevice(std::string rawName, std::string path)
71 {
72     uint32_t deviceID = getUniqueDeviceID(rawName);
73     deviceMap[deviceID] = DevPtr(new DeviceInfo(deviceID, path));
74 }
75 
getUniqueDeviceID(std::string & rawName)76 uint32_t ModernSnapshotParser::getUniqueDeviceID(std::string &rawName)
77 {
78     size_t pos = rawName.find_first_of("0123456789");
79     uint32_t candidate = 1;
80     if (pos != std::string::npos)
81     {
82         std::string numbers = rawName.substr(pos);
83         istringstream ist(numbers);
84         ist >> candidate;
85     }
86     while (true)
87     {
88         try
89         {
90             getDevice(candidate);
91             // didn't throw means already in list, so bad candidate
92             candidate++;
93         }
94         catch (ocsdError & /*e*/)
95         {
96             // threw, so unique ID, so this is good, leave loop
97             break;
98         }
99     }
100     return candidate;
101 }
102 
isInitialised() const103 bool ModernSnapshotParser::isInitialised() const
104 {
105     return initialised;
106 }
107 
getDeviceCount() const108 size_t ModernSnapshotParser::getDeviceCount() const
109 {
110     unsigned int deviceCount = 0;
111     if (isInitialised())
112         deviceCount = deviceMap.size();
113     return deviceCount;
114 }
115 
getDevice(int id)116 ModernSnapshotParser::DevPtr ModernSnapshotParser::getDevice(int id)
117 {
118     map<int, DevPtr>::const_iterator it(deviceMap.find(id));
119     if (it == deviceMap.end())
120     {
121         std::ostringstream ost;
122         ost << "Unknown device:" << id;
123         throw ocsdError(OCSD_ERR_SEV_ERROR, OCSD_ERR_TEST_SNAPSHOT_PARSE, ost.str());
124     }
125     return it->second;
126 }
127 
addSnapshotInfo(SnapshotInfo snap)128 void ModernSnapshotParser::addSnapshotInfo(SnapshotInfo snap)
129 {
130     snaphotInfo = snap;
131 }
132 
getDeviceList(std::vector<int> & devices) const133 void ModernSnapshotParser::getDeviceList(std::vector<int> &devices) const
134 {
135     map<int, DevPtr>::const_iterator it;
136     //devices.clear();
137     for (it = deviceMap.begin(); it != deviceMap.end(); ++it)
138         devices.push_back(it->first);
139 }
140 
getDescription() const141 std::string ModernSnapshotParser::getDescription() const
142 {
143     return snaphotInfo.description;
144 }
145 
getVersion() const146 std::string ModernSnapshotParser::getVersion() const
147 {
148     return snaphotInfo.version;
149 }
150 
151 
getTraceMetadataFile() const152 std::string  ModernSnapshotParser::getTraceMetadataFile() const
153 {
154     return traceMetaDataIni;
155 }
156 
157 /* End of File device_parser.cpp */
158