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107ca6d3 JH |
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 | ||
2acdb232 | 21 | #include "devicemanager.hpp" |
f65cd27b | 22 | #include "session.hpp" |
107ca6d3 JH |
23 | |
24 | #include <cassert> | |
107ca6d3 | 25 | #include <stdexcept> |
e8d00928 | 26 | #include <sstream> |
107ca6d3 | 27 | #include <string> |
e8d00928 | 28 | #include <vector> |
107ca6d3 | 29 | |
e8d00928 | 30 | #include <libsigrok/libsigrok.hpp> |
107ca6d3 | 31 | |
88fc0565 | 32 | #include <boost/algorithm/string/join.hpp> |
e8d00928 ML |
33 | #include <boost/filesystem.hpp> |
34 | ||
88fc0565 JH |
35 | using boost::algorithm::join; |
36 | ||
e8d00928 | 37 | using std::dynamic_pointer_cast; |
819f4c25 JH |
38 | using std::list; |
39 | using std::map; | |
e8d00928 | 40 | using std::remove_if; |
819f4c25 | 41 | using std::runtime_error; |
f9abf97e | 42 | using std::shared_ptr; |
819f4c25 | 43 | using std::string; |
e8d00928 ML |
44 | using std::vector; |
45 | ||
46 | using Glib::VariantBase; | |
47 | ||
48 | using sigrok::ConfigKey; | |
49 | using sigrok::Context; | |
50 | using sigrok::Driver; | |
51 | using sigrok::Device; | |
52 | using sigrok::HardwareDevice; | |
53 | using sigrok::SessionDevice; | |
107ca6d3 JH |
54 | |
55 | namespace pv { | |
56 | ||
e8d00928 | 57 | DeviceManager::DeviceManager(shared_ptr<Context> context) : |
8dbbc7f0 | 58 | context_(context) |
107ca6d3 | 59 | { |
e8d00928 ML |
60 | for (auto entry : context->drivers()) |
61 | driver_scan(entry.second, map<const ConfigKey *, VariantBase>()); | |
107ca6d3 JH |
62 | } |
63 | ||
64 | DeviceManager::~DeviceManager() | |
65 | { | |
107ca6d3 JH |
66 | } |
67 | ||
e8d00928 ML |
68 | shared_ptr<Context> DeviceManager::context() |
69 | { | |
8dbbc7f0 | 70 | return context_; |
e8d00928 ML |
71 | } |
72 | ||
73 | const list< shared_ptr<HardwareDevice> >& DeviceManager::devices() const | |
107ca6d3 | 74 | { |
8dbbc7f0 | 75 | return devices_; |
107ca6d3 JH |
76 | } |
77 | ||
e8d00928 ML |
78 | list< shared_ptr<HardwareDevice> > DeviceManager::driver_scan( |
79 | shared_ptr<Driver> driver, map<const ConfigKey *, VariantBase> drvopts) | |
107ca6d3 | 80 | { |
e8d00928 | 81 | list< shared_ptr<HardwareDevice> > driver_devices; |
107ca6d3 JH |
82 | |
83 | assert(driver); | |
84 | ||
85 | // Remove any device instances from this driver from the device | |
86 | // list. They will not be valid after the scan. | |
8dbbc7f0 | 87 | devices_.remove_if([&](shared_ptr<HardwareDevice> device) { |
cbe9f991 | 88 | return device->driver() == driver; }); |
107ca6d3 JH |
89 | |
90 | // Do the scan | |
e8d00928 ML |
91 | auto devices = driver->scan(drvopts); |
92 | driver_devices.insert(driver_devices.end(), devices.begin(), devices.end()); | |
107ca6d3 | 93 | |
a4cf020a | 94 | // Add the scanned devices to the main list, set display names and sort. |
8dbbc7f0 | 95 | devices_.insert(devices_.end(), driver_devices.begin(), |
107ca6d3 | 96 | driver_devices.end()); |
a4cf020a | 97 | |
8dbbc7f0 | 98 | for (shared_ptr<Device> device : devices_) |
602bff3a | 99 | build_display_name(device); |
a4cf020a | 100 | |
8dbbc7f0 | 101 | devices_.sort([&](shared_ptr<Device> a, shared_ptr<Device> b) |
a4cf020a SA |
102 | { return compare_devices(a, b); }); |
103 | ||
8dbbc7f0 | 104 | // As the display names depend on the complete devices_ list, |
a4cf020a | 105 | // we need to recompute them. However, there is no need to |
8dbbc7f0 | 106 | // recomute all names of the devices_ list since only the |
a4cf020a SA |
107 | // devices that use the given driver can be affected. |
108 | for (shared_ptr<Device> device : driver_devices) | |
602bff3a | 109 | build_display_name(device); |
a4cf020a SA |
110 | |
111 | driver_devices.sort([&](shared_ptr<Device> a, shared_ptr<Device> b) | |
112 | { return compare_devices(a, b); }); | |
107ca6d3 JH |
113 | |
114 | return driver_devices; | |
115 | } | |
116 | ||
e8d00928 ML |
117 | const map<string, string> DeviceManager::get_device_info( |
118 | shared_ptr<Device> device) | |
119 | { | |
120 | map<string, string> result; | |
121 | ||
122 | assert(device); | |
123 | ||
124 | if (device->vendor().length() > 0) | |
125 | result["vendor"] = device->vendor(); | |
126 | if (device->model().length() > 0) | |
127 | result["model"] = device->model(); | |
128 | if (device->version().length() > 0) | |
129 | result["version"] = device->version(); | |
130 | if (device->serial_number().length() > 0) | |
131 | result["serial_num"] = device->serial_number(); | |
132 | if (device->connection_id().length() > 0) | |
133 | result["connection_id"] = device->connection_id(); | |
134 | ||
135 | return result; | |
136 | } | |
137 | ||
138 | const shared_ptr<HardwareDevice> DeviceManager::find_device_from_info( | |
6842b5fc SA |
139 | const map<string, string> search_info) |
140 | { | |
e8d00928 | 141 | shared_ptr<HardwareDevice> last_resort_dev; |
6842b5fc SA |
142 | map<string, string> dev_info; |
143 | ||
144 | last_resort_dev = NULL; | |
145 | ||
8dbbc7f0 | 146 | for (shared_ptr<HardwareDevice> dev : devices_) { |
6842b5fc | 147 | assert(dev); |
e8d00928 | 148 | dev_info = get_device_info(dev); |
6842b5fc SA |
149 | |
150 | // If present, vendor and model always have to match. | |
151 | if (dev_info.count("vendor") > 0 && search_info.count("vendor") > 0) | |
152 | if (dev_info.at("vendor") != search_info.at("vendor")) continue; | |
153 | ||
154 | if (dev_info.count("model") > 0 && search_info.count("model") > 0) | |
155 | if (dev_info.at("model") != search_info.at("model")) continue; | |
156 | ||
157 | // Most unique match: vendor/model/serial_num (but don't match a S/N of 0) | |
158 | if ((dev_info.count("serial_num") > 0) && (dev_info.at("serial_num") != "0") | |
159 | && search_info.count("serial_num") > 0) | |
160 | if (dev_info.at("serial_num") == search_info.at("serial_num") && | |
161 | dev_info.at("serial_num") != "0") | |
162 | return dev; | |
163 | ||
164 | // Second best match: vendor/model/connection_id | |
165 | if (dev_info.count("connection_id") > 0 && | |
166 | search_info.count("connection_id") > 0) | |
167 | if (dev_info.at("connection_id") == search_info.at("connection_id")) | |
168 | return dev; | |
169 | ||
170 | // Last resort: vendor/model/version | |
171 | if (dev_info.count("version") > 0 && | |
172 | search_info.count("version") > 0) | |
173 | if (dev_info.at("version") == search_info.at("version") && | |
174 | dev_info.at("version") != "0") | |
175 | return dev; | |
176 | ||
177 | // For this device, we merely have a vendor/model match. | |
178 | last_resort_dev = dev; | |
179 | } | |
180 | ||
181 | // If there wasn't even a vendor/model/version match, we end up here. | |
182 | // This is usually the case for devices with only vendor/model data. | |
183 | // The selected device may be wrong with multiple such devices attached | |
184 | // but it is the best we can do at this point. After all, there may be | |
185 | // only one such device and we do want to select it in this case. | |
186 | return last_resort_dev; | |
187 | } | |
188 | ||
602bff3a | 189 | void DeviceManager::build_display_name(shared_ptr<Device> device) |
107ca6d3 | 190 | { |
e8d00928 | 191 | auto session_device = dynamic_pointer_cast<SessionDevice>(device); |
a4cf020a | 192 | auto hardware_device = dynamic_pointer_cast<HardwareDevice>(device); |
107ca6d3 | 193 | |
602bff3a SA |
194 | if (session_device) { |
195 | full_names_[device] = display_names_[device] = | |
196 | boost::filesystem::path( | |
e8d00928 | 197 | session_device->parent()->filename()).filename().string(); |
602bff3a SA |
198 | return; |
199 | } | |
dc0867ff | 200 | |
602bff3a SA |
201 | // First, build the device's full name. It always contains all |
202 | // possible information. | |
203 | vector<string> parts = {device->vendor(), device->model(), | |
204 | device->version(), device->serial_number()}; | |
205 | ||
206 | if (device->connection_id().length() > 0) | |
207 | parts.push_back("("+device->connection_id()+")"); | |
208 | ||
88fc0565 | 209 | full_names_[device] = join(parts, " "); |
602bff3a SA |
210 | |
211 | // Next, build the display name. It only contains fields as required. | |
a4cf020a SA |
212 | |
213 | // If we can find another device with the same model/vendor then | |
214 | // we have at least two such devices and need to distinguish them. | |
7ddb8da6 JH |
215 | const bool multiple_dev = hardware_device && any_of( |
216 | devices_.begin(), devices_.end(), | |
217 | [&](shared_ptr<HardwareDevice> dev) { | |
a4cf020a | 218 | return (dev->vendor() == hardware_device->vendor() && |
7ddb8da6 JH |
219 | dev->model() == hardware_device->model()) && |
220 | dev != hardware_device; | |
221 | } ); | |
a4cf020a | 222 | |
602bff3a | 223 | parts = {device->vendor(), device->model()}; |
a4cf020a SA |
224 | |
225 | if (multiple_dev) { | |
226 | parts.push_back(device->version()); | |
227 | parts.push_back(device->serial_number()); | |
228 | ||
229 | if ((device->serial_number().length() == 0) && | |
230 | (device->connection_id().length() > 0)) | |
231 | parts.push_back("("+device->connection_id()+")"); | |
232 | } | |
107ca6d3 | 233 | |
88fc0565 | 234 | display_names_[device] = join(parts, " "); |
dc0867ff JH |
235 | } |
236 | ||
a4cf020a SA |
237 | const std::string DeviceManager::get_display_name(std::shared_ptr<sigrok::Device> dev) |
238 | { | |
8dbbc7f0 | 239 | return display_names_[dev]; |
a4cf020a SA |
240 | } |
241 | ||
602bff3a SA |
242 | const std::string DeviceManager::get_full_name(std::shared_ptr<sigrok::Device> dev) |
243 | { | |
244 | return full_names_[dev]; | |
245 | } | |
246 | ||
a4cf020a SA |
247 | void DeviceManager::update_display_name(std::shared_ptr<sigrok::Device> dev) |
248 | { | |
602bff3a | 249 | build_display_name(dev); |
a4cf020a SA |
250 | } |
251 | ||
252 | bool DeviceManager::compare_devices(shared_ptr<Device> a, | |
253 | shared_ptr<Device> b) | |
107ca6d3 | 254 | { |
19adbc2c JH |
255 | assert(a); |
256 | assert(b); | |
e8d00928 | 257 | |
8dbbc7f0 | 258 | return display_names_[a].compare(display_names_[b]) < 0; |
107ca6d3 JH |
259 | } |
260 | ||
261 | } // namespace pv |