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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); |
4b923408 GS |
55 | sr_log_callback_set(prev_sr_log_cb, prev_sr_log_cb_data); |
56 | prev_sr_log_cb = NULL; | |
57 | prev_sr_log_cb_data = NULL; | |
bcb4c327 | 58 | #ifdef ENABLE_DECODE |
4b923408 GS |
59 | srd_log_callback_set(prev_srd_log_cb, prev_srd_log_cb_data); |
60 | prev_srd_log_cb = NULL; | |
61 | prev_srd_log_cb_data = NULL; | |
bcb4c327 SA |
62 | #endif |
63 | ||
64 | GlobalSettings::remove_change_handler(this); | |
65 | } | |
66 | ||
67 | void Logging::init() | |
68 | { | |
69 | GlobalSettings settings; | |
70 | ||
71 | buffer_size_ = | |
72 | settings.value(GlobalSettings::Key_Log_BufferSize).toInt(); | |
73 | ||
74 | buffer_.reserve(buffer_size_); | |
75 | ||
76 | qInstallMessageHandler(log_pv); | |
4b923408 | 77 | sr_log_callback_get(&prev_sr_log_cb, &prev_sr_log_cb_data); |
348bae08 | 78 | sr_log_callback_set(log_sr, nullptr); |
bcb4c327 | 79 | #ifdef ENABLE_DECODE |
4b923408 | 80 | srd_log_callback_get(&prev_srd_log_cb, &prev_srd_log_cb_data); |
348bae08 | 81 | srd_log_callback_set(log_srd, nullptr); |
bcb4c327 SA |
82 | #endif |
83 | ||
84 | GlobalSettings::add_change_handler(this); | |
85 | } | |
86 | ||
87 | int Logging::get_log_level() const | |
88 | { | |
89 | // We assume that libsigrok and libsrd always have the same log level | |
90 | return sr_log_loglevel_get(); | |
91 | } | |
92 | ||
93 | void Logging::set_log_level(int level) | |
94 | { | |
95 | sr_log_loglevel_set(level); | |
b5131072 | 96 | #ifdef ENABLE_DECODE |
bcb4c327 | 97 | srd_log_loglevel_set(level); |
b5131072 | 98 | #endif |
bcb4c327 SA |
99 | } |
100 | ||
101 | QString Logging::get_log() const | |
102 | { | |
103 | return buffer_.join("<br />\n"); | |
104 | } | |
105 | ||
106 | void Logging::log(const QString &text, int source) | |
107 | { | |
23a923e3 SA |
108 | lock_guard<mutex> log_lock(log_mutex_); |
109 | ||
bcb4c327 SA |
110 | if (buffer_.size() >= buffer_size_) |
111 | buffer_.removeFirst(); | |
112 | ||
113 | QString s; | |
114 | ||
115 | if (text.contains("warning", Qt::CaseInsensitive)) { | |
116 | s = QString("<font color=\"darkorange\">%1</font>").arg(text); | |
117 | goto out; | |
118 | } | |
119 | ||
120 | if (text.contains("error", Qt::CaseInsensitive)) { | |
121 | s = QString("<font color=\"darkred\">%1</font>").arg(text); | |
122 | goto out; | |
123 | } | |
124 | ||
125 | switch (source) { | |
126 | case LogSource_pv: | |
127 | s = QString("pv: ") + text; // black is default color | |
128 | break; | |
129 | case LogSource_sr: | |
130 | s = QString("<font color=\"blue\">sr: %1</font>").arg(text); | |
131 | break; | |
132 | case LogSource_srd: | |
d1c343c8 | 133 | s = QString("<font color=\"olive\">srd: %1</font>").arg(text); |
bcb4c327 SA |
134 | break; |
135 | default: | |
136 | s = text; | |
137 | break; | |
138 | } | |
139 | ||
140 | out: | |
141 | buffer_.append(s); | |
142 | ||
143 | // If we're tearing down the program, sending out notifications to UI | |
144 | // elements that can no longer function properly is a bad idea | |
145 | if (!QApplication::closingDown()) | |
146 | logged_text(s); | |
147 | } | |
148 | ||
149 | void Logging::log_pv(QtMsgType type, const QMessageLogContext &context, const QString &msg) | |
150 | { | |
151 | (void)type; | |
152 | (void)context; | |
153 | ||
154 | logging.log(msg, LogSource_pv); | |
cd0b243a SA |
155 | |
156 | cout << msg.toUtf8().data() << endl; | |
bcb4c327 SA |
157 | } |
158 | ||
348bae08 | 159 | int Logging::log_sr(void *cb_data, int loglevel, const char *format, va_list args) |
bcb4c327 | 160 | { |
4b923408 GS |
161 | va_list args2; |
162 | ||
bcb4c327 | 163 | (void)cb_data; |
4b923408 GS |
164 | |
165 | va_copy(args2, args); | |
166 | if (prev_sr_log_cb) | |
167 | prev_sr_log_cb(prev_sr_log_cb_data, loglevel, format, args2); | |
168 | va_end(args2); | |
bcb4c327 SA |
169 | |
170 | char *text = g_strdup_vprintf(format, args); | |
171 | logging.log(QString::fromUtf8(text), LogSource_sr); | |
172 | g_free(text); | |
173 | ||
174 | return SR_OK; | |
175 | } | |
176 | ||
177 | #ifdef ENABLE_DECODE | |
348bae08 | 178 | int Logging::log_srd(void *cb_data, int loglevel, const char *format, va_list args) |
bcb4c327 | 179 | { |
4b923408 GS |
180 | va_list args2; |
181 | ||
bcb4c327 | 182 | (void)cb_data; |
4b923408 GS |
183 | |
184 | va_copy(args2, args); | |
185 | if (prev_srd_log_cb) | |
186 | prev_srd_log_cb(prev_srd_log_cb_data, loglevel, format, args2); | |
187 | va_end(args2); | |
bcb4c327 SA |
188 | |
189 | char *text = g_strdup_vprintf(format, args); | |
190 | logging.log(QString::fromUtf8(text), LogSource_srd); | |
191 | g_free(text); | |
192 | ||
193 | return SR_OK; | |
194 | } | |
195 | #endif | |
196 | ||
197 | void Logging::on_setting_changed(const QString &key, const QVariant &value) | |
198 | { | |
199 | if (key == GlobalSettings::Key_Log_BufferSize) { | |
200 | // Truncate buffer if needed | |
201 | const int delta = buffer_.size() - value.toInt(); | |
202 | if (delta > 0) | |
203 | buffer_.erase(buffer_.begin(), buffer_.begin() + delta); | |
204 | ||
205 | buffer_size_ = value.toInt(); | |
206 | buffer_.reserve(buffer_size_); | |
207 | } | |
208 | } | |
209 | ||
210 | } // namespace pv |