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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 | |
e8d00928 ML |
32 | #include <boost/filesystem.hpp> |
33 | ||
34 | using std::dynamic_pointer_cast; | |
819f4c25 JH |
35 | using std::list; |
36 | using std::map; | |
e8d00928 ML |
37 | using std::ostringstream; |
38 | using std::remove_if; | |
819f4c25 | 39 | using std::runtime_error; |
f9abf97e | 40 | using std::shared_ptr; |
819f4c25 | 41 | using std::string; |
e8d00928 ML |
42 | using std::vector; |
43 | ||
44 | using Glib::VariantBase; | |
45 | ||
46 | using sigrok::ConfigKey; | |
47 | using sigrok::Context; | |
48 | using sigrok::Driver; | |
49 | using sigrok::Device; | |
50 | using sigrok::HardwareDevice; | |
51 | using sigrok::SessionDevice; | |
107ca6d3 JH |
52 | |
53 | namespace pv { | |
54 | ||
e8d00928 | 55 | DeviceManager::DeviceManager(shared_ptr<Context> context) : |
8dbbc7f0 | 56 | context_(context) |
107ca6d3 | 57 | { |
e8d00928 ML |
58 | for (auto entry : context->drivers()) |
59 | driver_scan(entry.second, map<const ConfigKey *, VariantBase>()); | |
107ca6d3 JH |
60 | } |
61 | ||
62 | DeviceManager::~DeviceManager() | |
63 | { | |
107ca6d3 JH |
64 | } |
65 | ||
e8d00928 ML |
66 | shared_ptr<Context> DeviceManager::context() |
67 | { | |
8dbbc7f0 | 68 | return context_; |
e8d00928 ML |
69 | } |
70 | ||
71 | const list< shared_ptr<HardwareDevice> >& DeviceManager::devices() const | |
107ca6d3 | 72 | { |
8dbbc7f0 | 73 | return devices_; |
107ca6d3 JH |
74 | } |
75 | ||
e8d00928 ML |
76 | list< shared_ptr<HardwareDevice> > DeviceManager::driver_scan( |
77 | shared_ptr<Driver> driver, map<const ConfigKey *, VariantBase> drvopts) | |
107ca6d3 | 78 | { |
e8d00928 | 79 | list< shared_ptr<HardwareDevice> > driver_devices; |
107ca6d3 JH |
80 | |
81 | assert(driver); | |
82 | ||
83 | // Remove any device instances from this driver from the device | |
84 | // list. They will not be valid after the scan. | |
8dbbc7f0 | 85 | devices_.remove_if([&](shared_ptr<HardwareDevice> device) { |
cbe9f991 | 86 | return device->driver() == driver; }); |
107ca6d3 JH |
87 | |
88 | // Do the scan | |
e8d00928 ML |
89 | auto devices = driver->scan(drvopts); |
90 | driver_devices.insert(driver_devices.end(), devices.begin(), devices.end()); | |
107ca6d3 | 91 | |
a4cf020a | 92 | // Add the scanned devices to the main list, set display names and sort. |
8dbbc7f0 | 93 | devices_.insert(devices_.end(), driver_devices.begin(), |
107ca6d3 | 94 | driver_devices.end()); |
a4cf020a | 95 | |
8dbbc7f0 JH |
96 | for (shared_ptr<Device> device : devices_) |
97 | display_names_[device] = build_display_name(device); | |
a4cf020a | 98 | |
8dbbc7f0 | 99 | devices_.sort([&](shared_ptr<Device> a, shared_ptr<Device> b) |
a4cf020a SA |
100 | { return compare_devices(a, b); }); |
101 | ||
8dbbc7f0 | 102 | // As the display names depend on the complete devices_ list, |
a4cf020a | 103 | // we need to recompute them. However, there is no need to |
8dbbc7f0 | 104 | // recomute all names of the devices_ list since only the |
a4cf020a SA |
105 | // devices that use the given driver can be affected. |
106 | for (shared_ptr<Device> device : driver_devices) | |
8dbbc7f0 | 107 | display_names_[device] = build_display_name(device); |
a4cf020a SA |
108 | |
109 | driver_devices.sort([&](shared_ptr<Device> a, shared_ptr<Device> b) | |
110 | { return compare_devices(a, b); }); | |
107ca6d3 JH |
111 | |
112 | return driver_devices; | |
113 | } | |
114 | ||
e8d00928 ML |
115 | const map<string, string> DeviceManager::get_device_info( |
116 | shared_ptr<Device> device) | |
117 | { | |
118 | map<string, string> result; | |
119 | ||
120 | assert(device); | |
121 | ||
122 | if (device->vendor().length() > 0) | |
123 | result["vendor"] = device->vendor(); | |
124 | if (device->model().length() > 0) | |
125 | result["model"] = device->model(); | |
126 | if (device->version().length() > 0) | |
127 | result["version"] = device->version(); | |
128 | if (device->serial_number().length() > 0) | |
129 | result["serial_num"] = device->serial_number(); | |
130 | if (device->connection_id().length() > 0) | |
131 | result["connection_id"] = device->connection_id(); | |
132 | ||
133 | return result; | |
134 | } | |
135 | ||
136 | const shared_ptr<HardwareDevice> DeviceManager::find_device_from_info( | |
6842b5fc SA |
137 | const map<string, string> search_info) |
138 | { | |
e8d00928 | 139 | shared_ptr<HardwareDevice> last_resort_dev; |
6842b5fc SA |
140 | map<string, string> dev_info; |
141 | ||
142 | last_resort_dev = NULL; | |
143 | ||
8dbbc7f0 | 144 | for (shared_ptr<HardwareDevice> dev : devices_) { |
6842b5fc | 145 | assert(dev); |
e8d00928 | 146 | dev_info = get_device_info(dev); |
6842b5fc SA |
147 | |
148 | // If present, vendor and model always have to match. | |
149 | if (dev_info.count("vendor") > 0 && search_info.count("vendor") > 0) | |
150 | if (dev_info.at("vendor") != search_info.at("vendor")) continue; | |
151 | ||
152 | if (dev_info.count("model") > 0 && search_info.count("model") > 0) | |
153 | if (dev_info.at("model") != search_info.at("model")) continue; | |
154 | ||
155 | // Most unique match: vendor/model/serial_num (but don't match a S/N of 0) | |
156 | if ((dev_info.count("serial_num") > 0) && (dev_info.at("serial_num") != "0") | |
157 | && search_info.count("serial_num") > 0) | |
158 | if (dev_info.at("serial_num") == search_info.at("serial_num") && | |
159 | dev_info.at("serial_num") != "0") | |
160 | return dev; | |
161 | ||
162 | // Second best match: vendor/model/connection_id | |
163 | if (dev_info.count("connection_id") > 0 && | |
164 | search_info.count("connection_id") > 0) | |
165 | if (dev_info.at("connection_id") == search_info.at("connection_id")) | |
166 | return dev; | |
167 | ||
168 | // Last resort: vendor/model/version | |
169 | if (dev_info.count("version") > 0 && | |
170 | search_info.count("version") > 0) | |
171 | if (dev_info.at("version") == search_info.at("version") && | |
172 | dev_info.at("version") != "0") | |
173 | return dev; | |
174 | ||
175 | // For this device, we merely have a vendor/model match. | |
176 | last_resort_dev = dev; | |
177 | } | |
178 | ||
179 | // If there wasn't even a vendor/model/version match, we end up here. | |
180 | // This is usually the case for devices with only vendor/model data. | |
181 | // The selected device may be wrong with multiple such devices attached | |
182 | // but it is the best we can do at this point. After all, there may be | |
183 | // only one such device and we do want to select it in this case. | |
184 | return last_resort_dev; | |
185 | } | |
186 | ||
a4cf020a | 187 | const string DeviceManager::build_display_name(shared_ptr<Device> device) |
107ca6d3 | 188 | { |
e8d00928 | 189 | auto session_device = dynamic_pointer_cast<SessionDevice>(device); |
a4cf020a | 190 | auto hardware_device = dynamic_pointer_cast<HardwareDevice>(device); |
107ca6d3 | 191 | |
e8d00928 ML |
192 | if (session_device) |
193 | return boost::filesystem::path( | |
194 | session_device->parent()->filename()).filename().string(); | |
dc0867ff | 195 | |
e8d00928 | 196 | ostringstream s; |
107ca6d3 | 197 | |
a4cf020a SA |
198 | bool multiple_dev = false; |
199 | ||
200 | // If we can find another device with the same model/vendor then | |
201 | // we have at least two such devices and need to distinguish them. | |
202 | if (hardware_device) | |
8dbbc7f0 | 203 | multiple_dev = any_of(devices_.begin(), devices_.end(), |
a4cf020a SA |
204 | [&](shared_ptr<HardwareDevice> dev) { |
205 | return (dev->vendor() == hardware_device->vendor() && | |
206 | dev->model() == hardware_device->model()) && | |
207 | dev != hardware_device; | |
208 | } ); | |
209 | ||
210 | vector<string> parts = {device->vendor(), device->model()}; | |
211 | ||
212 | if (multiple_dev) { | |
213 | parts.push_back(device->version()); | |
214 | parts.push_back(device->serial_number()); | |
215 | ||
216 | if ((device->serial_number().length() == 0) && | |
217 | (device->connection_id().length() > 0)) | |
218 | parts.push_back("("+device->connection_id()+")"); | |
219 | } | |
107ca6d3 | 220 | |
e8d00928 ML |
221 | for (size_t i = 0; i < parts.size(); i++) |
222 | { | |
223 | if (parts[i].length() > 0) | |
224 | { | |
225 | if (i != 0) | |
226 | s << " "; | |
227 | s << parts[i]; | |
228 | } | |
996b7c9d | 229 | } |
dc0867ff | 230 | |
e8d00928 | 231 | return s.str(); |
dc0867ff JH |
232 | } |
233 | ||
a4cf020a SA |
234 | const std::string DeviceManager::get_display_name(std::shared_ptr<sigrok::Device> dev) |
235 | { | |
8dbbc7f0 | 236 | return display_names_[dev]; |
a4cf020a SA |
237 | } |
238 | ||
239 | void DeviceManager::update_display_name(std::shared_ptr<sigrok::Device> dev) | |
240 | { | |
8dbbc7f0 | 241 | display_names_[dev] = build_display_name(dev); |
a4cf020a SA |
242 | } |
243 | ||
244 | bool DeviceManager::compare_devices(shared_ptr<Device> a, | |
245 | shared_ptr<Device> b) | |
107ca6d3 | 246 | { |
19adbc2c JH |
247 | assert(a); |
248 | assert(b); | |
e8d00928 | 249 | |
8dbbc7f0 | 250 | return display_names_[a].compare(display_names_[b]) < 0; |
107ca6d3 JH |
251 | } |
252 | ||
253 | } // namespace pv |