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1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2013 Joel Holdsworth <joel@airwebreathe.org.uk> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #include "devicemanager.hpp" | |
22 | #include "session.hpp" | |
23 | ||
24 | #include <cassert> | |
25 | #include <stdexcept> | |
26 | #include <sstream> | |
27 | #include <string> | |
28 | #include <vector> | |
29 | ||
30 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
31 | ||
32 | #include <boost/algorithm/string/join.hpp> | |
33 | #include <boost/filesystem.hpp> | |
34 | ||
35 | #include <pv/devices/hardwaredevice.hpp> | |
36 | ||
37 | using boost::algorithm::join; | |
38 | ||
39 | using std::dynamic_pointer_cast; | |
40 | using std::list; | |
41 | using std::map; | |
42 | using std::remove_if; | |
43 | using std::runtime_error; | |
44 | using std::shared_ptr; | |
45 | using std::string; | |
46 | using std::vector; | |
47 | ||
48 | using Glib::VariantBase; | |
49 | ||
50 | using sigrok::ConfigKey; | |
51 | using sigrok::Context; | |
52 | using sigrok::Driver; | |
53 | using sigrok::SessionDevice; | |
54 | ||
55 | namespace pv { | |
56 | ||
57 | DeviceManager::DeviceManager(shared_ptr<Context> context) : | |
58 | context_(context) | |
59 | { | |
60 | for (auto entry : context->drivers()) | |
61 | driver_scan(entry.second, map<const ConfigKey *, VariantBase>()); | |
62 | } | |
63 | ||
64 | DeviceManager::~DeviceManager() | |
65 | { | |
66 | } | |
67 | ||
68 | const std::shared_ptr<sigrok::Context>& DeviceManager::context() const | |
69 | { | |
70 | return context_; | |
71 | } | |
72 | ||
73 | shared_ptr<Context> DeviceManager::context() | |
74 | { | |
75 | return context_; | |
76 | } | |
77 | ||
78 | const list< shared_ptr<devices::HardwareDevice> >& | |
79 | DeviceManager::devices() const | |
80 | { | |
81 | return devices_; | |
82 | } | |
83 | ||
84 | list< shared_ptr<devices::HardwareDevice> > | |
85 | DeviceManager::driver_scan( | |
86 | shared_ptr<Driver> driver, map<const ConfigKey *, VariantBase> drvopts) | |
87 | { | |
88 | list< shared_ptr<devices::HardwareDevice> > driver_devices; | |
89 | ||
90 | assert(driver); | |
91 | ||
92 | // Remove any device instances from this driver from the device | |
93 | // list. They will not be valid after the scan. | |
94 | devices_.remove_if([&](shared_ptr<devices::HardwareDevice> device) { | |
95 | return device->hardware_device()->driver() == driver; }); | |
96 | ||
97 | // Do the scan | |
98 | auto devices = driver->scan(drvopts); | |
99 | ||
100 | // Add the scanned devices to the main list, set display names and sort. | |
101 | for (shared_ptr<sigrok::HardwareDevice> device : devices) { | |
102 | const shared_ptr<devices::HardwareDevice> d( | |
103 | new devices::HardwareDevice(context_, device)); | |
104 | driver_devices.push_back(d); | |
105 | } | |
106 | ||
107 | for (shared_ptr<devices::HardwareDevice> device : driver_devices) | |
108 | build_display_name(device); | |
109 | ||
110 | devices_.insert(devices_.end(), driver_devices.begin(), | |
111 | driver_devices.end()); | |
112 | devices_.sort([&](shared_ptr<devices::Device> a, | |
113 | shared_ptr<devices::Device> b) | |
114 | { return compare_devices(a, b); }); | |
115 | ||
116 | return driver_devices; | |
117 | } | |
118 | ||
119 | const map<string, string> DeviceManager::get_device_info( | |
120 | shared_ptr<devices::Device> device) | |
121 | { | |
122 | map<string, string> result; | |
123 | ||
124 | assert(device); | |
125 | ||
126 | const shared_ptr<sigrok::Device> sr_dev = device->device(); | |
127 | if (sr_dev->vendor().length() > 0) | |
128 | result["vendor"] = sr_dev->vendor(); | |
129 | if (sr_dev->model().length() > 0) | |
130 | result["model"] = sr_dev->model(); | |
131 | if (sr_dev->version().length() > 0) | |
132 | result["version"] = sr_dev->version(); | |
133 | if (sr_dev->serial_number().length() > 0) | |
134 | result["serial_num"] = sr_dev->serial_number(); | |
135 | if (sr_dev->connection_id().length() > 0) | |
136 | result["connection_id"] = sr_dev->connection_id(); | |
137 | ||
138 | return result; | |
139 | } | |
140 | ||
141 | const shared_ptr<devices::HardwareDevice> DeviceManager::find_device_from_info( | |
142 | const map<string, string> search_info) | |
143 | { | |
144 | shared_ptr<devices::HardwareDevice> last_resort_dev; | |
145 | map<string, string> dev_info; | |
146 | ||
147 | for (shared_ptr<devices::HardwareDevice> dev : devices_) { | |
148 | assert(dev); | |
149 | dev_info = get_device_info(dev); | |
150 | ||
151 | // If present, vendor and model always have to match. | |
152 | if (dev_info.count("vendor") > 0 && search_info.count("vendor") > 0) | |
153 | if (dev_info.at("vendor") != search_info.at("vendor")) continue; | |
154 | ||
155 | if (dev_info.count("model") > 0 && search_info.count("model") > 0) | |
156 | if (dev_info.at("model") != search_info.at("model")) continue; | |
157 | ||
158 | // Most unique match: vendor/model/serial_num (but don't match a S/N of 0) | |
159 | if ((dev_info.count("serial_num") > 0) && (dev_info.at("serial_num") != "0") | |
160 | && search_info.count("serial_num") > 0) | |
161 | if (dev_info.at("serial_num") == search_info.at("serial_num") && | |
162 | dev_info.at("serial_num") != "0") | |
163 | return dev; | |
164 | ||
165 | // Second best match: vendor/model/connection_id | |
166 | if (dev_info.count("connection_id") > 0 && | |
167 | search_info.count("connection_id") > 0) | |
168 | if (dev_info.at("connection_id") == search_info.at("connection_id")) | |
169 | return dev; | |
170 | ||
171 | // Last resort: vendor/model/version | |
172 | if (dev_info.count("version") > 0 && | |
173 | search_info.count("version") > 0) | |
174 | if (dev_info.at("version") == search_info.at("version") && | |
175 | dev_info.at("version") != "0") | |
176 | return dev; | |
177 | ||
178 | // For this device, we merely have a vendor/model match. | |
179 | last_resort_dev = dev; | |
180 | } | |
181 | ||
182 | // If there wasn't even a vendor/model/version match, we end up here. | |
183 | // This is usually the case for devices with only vendor/model data. | |
184 | // The selected device may be wrong with multiple such devices attached | |
185 | // but it is the best we can do at this point. After all, there may be | |
186 | // only one such device and we do want to select it in this case. | |
187 | return last_resort_dev; | |
188 | } | |
189 | ||
190 | void DeviceManager::build_display_name(shared_ptr<devices::Device> device) | |
191 | { | |
192 | const shared_ptr<sigrok::Device> sr_dev = device->device(); | |
193 | auto session_device = dynamic_pointer_cast<sigrok::SessionDevice>(sr_dev); | |
194 | auto hardware_device = dynamic_pointer_cast<sigrok::HardwareDevice>(sr_dev); | |
195 | ||
196 | if (session_device) { | |
197 | full_names_[device] = display_names_[device] = | |
198 | boost::filesystem::path( | |
199 | session_device->parent()->filename()).filename().string(); | |
200 | return; | |
201 | } | |
202 | ||
203 | // First, build the device's full name. It always contains all | |
204 | // possible information. | |
205 | vector<string> parts = {sr_dev->vendor(), sr_dev->model(), | |
206 | sr_dev->version(), sr_dev->serial_number()}; | |
207 | ||
208 | if (sr_dev->connection_id().length() > 0) | |
209 | parts.push_back("("+sr_dev->connection_id()+")"); | |
210 | ||
211 | full_names_[device] = join(parts, " "); | |
212 | ||
213 | // Next, build the display name. It only contains fields as required. | |
214 | ||
215 | // If we can find another device with the same model/vendor then | |
216 | // we have at least two such devices and need to distinguish them. | |
217 | const bool multiple_dev = hardware_device && any_of( | |
218 | devices_.begin(), devices_.end(), | |
219 | [&](shared_ptr<devices::HardwareDevice> dev) { | |
220 | return (dev->device()->vendor() == hardware_device->vendor() && | |
221 | dev->device()->model() == hardware_device->model()) && | |
222 | dev != device; | |
223 | } ); | |
224 | ||
225 | parts = {sr_dev->vendor(), sr_dev->model()}; | |
226 | ||
227 | if (multiple_dev) { | |
228 | parts.push_back(sr_dev->version()); | |
229 | parts.push_back(sr_dev->serial_number()); | |
230 | ||
231 | if ((sr_dev->serial_number().length() == 0) && | |
232 | (sr_dev->connection_id().length() > 0)) | |
233 | parts.push_back("("+sr_dev->connection_id()+")"); | |
234 | } | |
235 | ||
236 | display_names_[device] = join(parts, " "); | |
237 | } | |
238 | ||
239 | const std::string DeviceManager::get_display_name( | |
240 | std::shared_ptr<devices::Device> dev) | |
241 | { | |
242 | return display_names_[dev]; | |
243 | } | |
244 | ||
245 | const std::string DeviceManager::get_full_name( | |
246 | std::shared_ptr<devices::Device> dev) | |
247 | { | |
248 | return full_names_[dev]; | |
249 | } | |
250 | ||
251 | void DeviceManager::update_display_name( | |
252 | std::shared_ptr<devices::Device> dev) | |
253 | { | |
254 | build_display_name(dev); | |
255 | } | |
256 | ||
257 | bool DeviceManager::compare_devices( | |
258 | shared_ptr<devices::Device> a, shared_ptr<devices::Device> b) | |
259 | { | |
260 | assert(a); | |
261 | assert(b); | |
262 | ||
263 | return display_names_[a].compare(display_names_[b]) < 0; | |
264 | } | |
265 | ||
266 | } // namespace pv |