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bcb4c327 SA |
1 | /* |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2018 Soeren Apel <soeren@apelpie.net> | |
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, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include "logging.hpp" | |
21 | #include "globalsettings.hpp" | |
22 | ||
cd0b243a SA |
23 | #include <iostream> |
24 | ||
bcb4c327 SA |
25 | #ifdef ENABLE_DECODE |
26 | #include <libsigrokdecode/libsigrokdecode.h> /* First, so we avoid a _POSIX_C_SOURCE warning. */ | |
27 | #endif | |
28 | ||
29 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
30 | ||
31 | #include <QApplication> | |
32 | ||
cd0b243a SA |
33 | using std::cout; |
34 | using std::endl; | |
23a923e3 SA |
35 | using std::lock_guard; |
36 | ||
bcb4c327 SA |
37 | namespace pv { |
38 | ||
39 | Logging logging; | |
40 | ||
b9a3a67e | 41 | const int Logging::MIN_BUFFER_SIZE = 10; |
bcb4c327 SA |
42 | const int Logging::MAX_BUFFER_SIZE = 50000; |
43 | ||
4b923408 GS |
44 | static sr_log_callback prev_sr_log_cb; |
45 | static void *prev_sr_log_cb_data; | |
46 | ||
47 | #ifdef ENABLE_DECODE | |
48 | static srd_log_callback prev_srd_log_cb; | |
49 | static void *prev_srd_log_cb_data; | |
50 | #endif | |
51 | ||
bcb4c327 SA |
52 | Logging::~Logging() |
53 | { | |
37134086 | 54 | qInstallMessageHandler(nullptr); |
e431acda GS |
55 | if (prev_sr_log_cb) |
56 | sr_log_callback_set(prev_sr_log_cb, prev_sr_log_cb_data); | |
1f2082e2 SA |
57 | prev_sr_log_cb = nullptr; |
58 | prev_sr_log_cb_data = nullptr; | |
bcb4c327 | 59 | #ifdef ENABLE_DECODE |
e431acda GS |
60 | if (prev_srd_log_cb) |
61 | srd_log_callback_set(prev_srd_log_cb, prev_srd_log_cb_data); | |
1f2082e2 SA |
62 | prev_srd_log_cb = nullptr; |
63 | prev_srd_log_cb_data = nullptr; | |
bcb4c327 SA |
64 | #endif |
65 | ||
66 | GlobalSettings::remove_change_handler(this); | |
67 | } | |
68 | ||
69 | void Logging::init() | |
70 | { | |
71 | GlobalSettings settings; | |
72 | ||
73 | buffer_size_ = | |
74 | settings.value(GlobalSettings::Key_Log_BufferSize).toInt(); | |
75 | ||
76 | buffer_.reserve(buffer_size_); | |
77 | ||
78 | qInstallMessageHandler(log_pv); | |
4b923408 | 79 | sr_log_callback_get(&prev_sr_log_cb, &prev_sr_log_cb_data); |
348bae08 | 80 | sr_log_callback_set(log_sr, nullptr); |
bcb4c327 | 81 | #ifdef ENABLE_DECODE |
4b923408 | 82 | srd_log_callback_get(&prev_srd_log_cb, &prev_srd_log_cb_data); |
348bae08 | 83 | srd_log_callback_set(log_srd, nullptr); |
bcb4c327 SA |
84 | #endif |
85 | ||
86 | GlobalSettings::add_change_handler(this); | |
87 | } | |
88 | ||
89 | int Logging::get_log_level() const | |
90 | { | |
91 | // We assume that libsigrok and libsrd always have the same log level | |
92 | return sr_log_loglevel_get(); | |
93 | } | |
94 | ||
95 | void Logging::set_log_level(int level) | |
96 | { | |
97 | sr_log_loglevel_set(level); | |
b5131072 | 98 | #ifdef ENABLE_DECODE |
bcb4c327 | 99 | srd_log_loglevel_set(level); |
b5131072 | 100 | #endif |
bcb4c327 SA |
101 | } |
102 | ||
103 | QString Logging::get_log() const | |
104 | { | |
105 | return buffer_.join("<br />\n"); | |
106 | } | |
107 | ||
108 | void Logging::log(const QString &text, int source) | |
109 | { | |
23a923e3 SA |
110 | lock_guard<mutex> log_lock(log_mutex_); |
111 | ||
bcb4c327 SA |
112 | if (buffer_.size() >= buffer_size_) |
113 | buffer_.removeFirst(); | |
114 | ||
115 | QString s; | |
116 | ||
117 | if (text.contains("warning", Qt::CaseInsensitive)) { | |
118 | s = QString("<font color=\"darkorange\">%1</font>").arg(text); | |
119 | goto out; | |
120 | } | |
121 | ||
122 | if (text.contains("error", Qt::CaseInsensitive)) { | |
123 | s = QString("<font color=\"darkred\">%1</font>").arg(text); | |
124 | goto out; | |
125 | } | |
126 | ||
127 | switch (source) { | |
128 | case LogSource_pv: | |
16ae9b03 | 129 | s = QString("<font color=\"darkMagenta\">pv: %1</font>").arg(text); |
bcb4c327 SA |
130 | break; |
131 | case LogSource_sr: | |
16ae9b03 | 132 | s = QString("<font color=\"darkGreen\">sr: %1</font>").arg(text); |
bcb4c327 SA |
133 | break; |
134 | case LogSource_srd: | |
d1c343c8 | 135 | s = QString("<font color=\"olive\">srd: %1</font>").arg(text); |
bcb4c327 SA |
136 | break; |
137 | default: | |
138 | s = text; | |
139 | break; | |
140 | } | |
141 | ||
142 | out: | |
143 | buffer_.append(s); | |
144 | ||
145 | // If we're tearing down the program, sending out notifications to UI | |
146 | // elements that can no longer function properly is a bad idea | |
147 | if (!QApplication::closingDown()) | |
148 | logged_text(s); | |
149 | } | |
150 | ||
151 | void Logging::log_pv(QtMsgType type, const QMessageLogContext &context, const QString &msg) | |
152 | { | |
153 | (void)type; | |
154 | (void)context; | |
155 | ||
156 | logging.log(msg, LogSource_pv); | |
cd0b243a SA |
157 | |
158 | cout << msg.toUtf8().data() << endl; | |
bcb4c327 SA |
159 | } |
160 | ||
348bae08 | 161 | int Logging::log_sr(void *cb_data, int loglevel, const char *format, va_list args) |
bcb4c327 | 162 | { |
4b923408 GS |
163 | va_list args2; |
164 | ||
bcb4c327 | 165 | (void)cb_data; |
4b923408 GS |
166 | |
167 | va_copy(args2, args); | |
168 | if (prev_sr_log_cb) | |
169 | prev_sr_log_cb(prev_sr_log_cb_data, loglevel, format, args2); | |
170 | va_end(args2); | |
bcb4c327 SA |
171 | |
172 | char *text = g_strdup_vprintf(format, args); | |
173 | logging.log(QString::fromUtf8(text), LogSource_sr); | |
174 | g_free(text); | |
175 | ||
176 | return SR_OK; | |
177 | } | |
178 | ||
179 | #ifdef ENABLE_DECODE | |
348bae08 | 180 | int Logging::log_srd(void *cb_data, int loglevel, const char *format, va_list args) |
bcb4c327 | 181 | { |
4b923408 GS |
182 | va_list args2; |
183 | ||
bcb4c327 | 184 | (void)cb_data; |
4b923408 GS |
185 | |
186 | va_copy(args2, args); | |
187 | if (prev_srd_log_cb) | |
188 | prev_srd_log_cb(prev_srd_log_cb_data, loglevel, format, args2); | |
189 | va_end(args2); | |
bcb4c327 SA |
190 | |
191 | char *text = g_strdup_vprintf(format, args); | |
192 | logging.log(QString::fromUtf8(text), LogSource_srd); | |
193 | g_free(text); | |
194 | ||
195 | return SR_OK; | |
196 | } | |
197 | #endif | |
198 | ||
199 | void Logging::on_setting_changed(const QString &key, const QVariant &value) | |
200 | { | |
201 | if (key == GlobalSettings::Key_Log_BufferSize) { | |
202 | // Truncate buffer if needed | |
203 | const int delta = buffer_.size() - value.toInt(); | |
204 | if (delta > 0) | |
205 | buffer_.erase(buffer_.begin(), buffer_.begin() + delta); | |
206 | ||
207 | buffer_size_ = value.toInt(); | |
208 | buffer_.reserve(buffer_size_); | |
209 | } | |
210 | } | |
211 | ||
212 | } // namespace pv |