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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 | ||
23 | #ifdef ENABLE_DECODE | |
24 | #include <libsigrokdecode/libsigrokdecode.h> /* First, so we avoid a _POSIX_C_SOURCE warning. */ | |
25 | #endif | |
26 | ||
27 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
28 | ||
29 | #include <QApplication> | |
30 | ||
31 | namespace pv { | |
32 | ||
33 | Logging logging; | |
34 | ||
35 | const int Logging::MAX_BUFFER_SIZE = 50000; | |
36 | ||
37 | Logging::~Logging() | |
38 | { | |
37134086 | 39 | qInstallMessageHandler(nullptr); |
bcb4c327 SA |
40 | sr_log_callback_set_default(); |
41 | #ifdef ENABLE_DECODE | |
42 | srd_log_callback_set_default(); | |
43 | #endif | |
44 | ||
45 | GlobalSettings::remove_change_handler(this); | |
46 | } | |
47 | ||
48 | void Logging::init() | |
49 | { | |
50 | GlobalSettings settings; | |
51 | ||
52 | buffer_size_ = | |
53 | settings.value(GlobalSettings::Key_Log_BufferSize).toInt(); | |
54 | ||
55 | buffer_.reserve(buffer_size_); | |
56 | ||
57 | qInstallMessageHandler(log_pv); | |
348bae08 | 58 | sr_log_callback_set(log_sr, nullptr); |
bcb4c327 | 59 | #ifdef ENABLE_DECODE |
348bae08 | 60 | srd_log_callback_set(log_srd, nullptr); |
bcb4c327 SA |
61 | #endif |
62 | ||
63 | GlobalSettings::add_change_handler(this); | |
64 | } | |
65 | ||
66 | int Logging::get_log_level() const | |
67 | { | |
68 | // We assume that libsigrok and libsrd always have the same log level | |
69 | return sr_log_loglevel_get(); | |
70 | } | |
71 | ||
72 | void Logging::set_log_level(int level) | |
73 | { | |
74 | sr_log_loglevel_set(level); | |
b5131072 | 75 | #ifdef ENABLE_DECODE |
bcb4c327 | 76 | srd_log_loglevel_set(level); |
b5131072 | 77 | #endif |
bcb4c327 SA |
78 | } |
79 | ||
80 | QString Logging::get_log() const | |
81 | { | |
82 | return buffer_.join("<br />\n"); | |
83 | } | |
84 | ||
85 | void Logging::log(const QString &text, int source) | |
86 | { | |
87 | if (buffer_.size() >= buffer_size_) | |
88 | buffer_.removeFirst(); | |
89 | ||
90 | QString s; | |
91 | ||
92 | if (text.contains("warning", Qt::CaseInsensitive)) { | |
93 | s = QString("<font color=\"darkorange\">%1</font>").arg(text); | |
94 | goto out; | |
95 | } | |
96 | ||
97 | if (text.contains("error", Qt::CaseInsensitive)) { | |
98 | s = QString("<font color=\"darkred\">%1</font>").arg(text); | |
99 | goto out; | |
100 | } | |
101 | ||
102 | switch (source) { | |
103 | case LogSource_pv: | |
104 | s = QString("pv: ") + text; // black is default color | |
105 | break; | |
106 | case LogSource_sr: | |
107 | s = QString("<font color=\"blue\">sr: %1</font>").arg(text); | |
108 | break; | |
109 | case LogSource_srd: | |
d1c343c8 | 110 | s = QString("<font color=\"olive\">srd: %1</font>").arg(text); |
bcb4c327 SA |
111 | break; |
112 | default: | |
113 | s = text; | |
114 | break; | |
115 | } | |
116 | ||
117 | out: | |
118 | buffer_.append(s); | |
119 | ||
120 | // If we're tearing down the program, sending out notifications to UI | |
121 | // elements that can no longer function properly is a bad idea | |
122 | if (!QApplication::closingDown()) | |
123 | logged_text(s); | |
124 | } | |
125 | ||
126 | void Logging::log_pv(QtMsgType type, const QMessageLogContext &context, const QString &msg) | |
127 | { | |
128 | (void)type; | |
129 | (void)context; | |
130 | ||
131 | logging.log(msg, LogSource_pv); | |
132 | } | |
133 | ||
348bae08 | 134 | int Logging::log_sr(void *cb_data, int loglevel, const char *format, va_list args) |
bcb4c327 SA |
135 | { |
136 | (void)cb_data; | |
137 | (void)loglevel; | |
138 | ||
139 | char *text = g_strdup_vprintf(format, args); | |
140 | logging.log(QString::fromUtf8(text), LogSource_sr); | |
141 | g_free(text); | |
142 | ||
143 | return SR_OK; | |
144 | } | |
145 | ||
146 | #ifdef ENABLE_DECODE | |
348bae08 | 147 | int Logging::log_srd(void *cb_data, int loglevel, const char *format, va_list args) |
bcb4c327 SA |
148 | { |
149 | (void)cb_data; | |
150 | (void)loglevel; | |
151 | ||
152 | char *text = g_strdup_vprintf(format, args); | |
153 | logging.log(QString::fromUtf8(text), LogSource_srd); | |
154 | g_free(text); | |
155 | ||
156 | return SR_OK; | |
157 | } | |
158 | #endif | |
159 | ||
160 | void Logging::on_setting_changed(const QString &key, const QVariant &value) | |
161 | { | |
162 | if (key == GlobalSettings::Key_Log_BufferSize) { | |
163 | // Truncate buffer if needed | |
164 | const int delta = buffer_.size() - value.toInt(); | |
165 | if (delta > 0) | |
166 | buffer_.erase(buffer_.begin(), buffer_.begin() + delta); | |
167 | ||
168 | buffer_size_ = value.toInt(); | |
169 | buffer_.reserve(buffer_size_); | |
170 | } | |
171 | } | |
172 | ||
173 | } // namespace pv |