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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 | ||
23a923e3 SA |
31 | using std::lock_guard; |
32 | ||
bcb4c327 SA |
33 | namespace pv { |
34 | ||
35 | Logging logging; | |
36 | ||
37 | const int Logging::MAX_BUFFER_SIZE = 50000; | |
38 | ||
39 | Logging::~Logging() | |
40 | { | |
37134086 | 41 | qInstallMessageHandler(nullptr); |
bcb4c327 SA |
42 | sr_log_callback_set_default(); |
43 | #ifdef ENABLE_DECODE | |
44 | srd_log_callback_set_default(); | |
45 | #endif | |
46 | ||
47 | GlobalSettings::remove_change_handler(this); | |
48 | } | |
49 | ||
50 | void Logging::init() | |
51 | { | |
52 | GlobalSettings settings; | |
53 | ||
54 | buffer_size_ = | |
55 | settings.value(GlobalSettings::Key_Log_BufferSize).toInt(); | |
56 | ||
57 | buffer_.reserve(buffer_size_); | |
58 | ||
59 | qInstallMessageHandler(log_pv); | |
348bae08 | 60 | sr_log_callback_set(log_sr, nullptr); |
bcb4c327 | 61 | #ifdef ENABLE_DECODE |
348bae08 | 62 | srd_log_callback_set(log_srd, nullptr); |
bcb4c327 SA |
63 | #endif |
64 | ||
65 | GlobalSettings::add_change_handler(this); | |
66 | } | |
67 | ||
68 | int Logging::get_log_level() const | |
69 | { | |
70 | // We assume that libsigrok and libsrd always have the same log level | |
71 | return sr_log_loglevel_get(); | |
72 | } | |
73 | ||
74 | void Logging::set_log_level(int level) | |
75 | { | |
76 | sr_log_loglevel_set(level); | |
b5131072 | 77 | #ifdef ENABLE_DECODE |
bcb4c327 | 78 | srd_log_loglevel_set(level); |
b5131072 | 79 | #endif |
bcb4c327 SA |
80 | } |
81 | ||
82 | QString Logging::get_log() const | |
83 | { | |
84 | return buffer_.join("<br />\n"); | |
85 | } | |
86 | ||
87 | void Logging::log(const QString &text, int source) | |
88 | { | |
23a923e3 SA |
89 | lock_guard<mutex> log_lock(log_mutex_); |
90 | ||
bcb4c327 SA |
91 | if (buffer_.size() >= buffer_size_) |
92 | buffer_.removeFirst(); | |
93 | ||
94 | QString s; | |
95 | ||
96 | if (text.contains("warning", Qt::CaseInsensitive)) { | |
97 | s = QString("<font color=\"darkorange\">%1</font>").arg(text); | |
98 | goto out; | |
99 | } | |
100 | ||
101 | if (text.contains("error", Qt::CaseInsensitive)) { | |
102 | s = QString("<font color=\"darkred\">%1</font>").arg(text); | |
103 | goto out; | |
104 | } | |
105 | ||
106 | switch (source) { | |
107 | case LogSource_pv: | |
108 | s = QString("pv: ") + text; // black is default color | |
109 | break; | |
110 | case LogSource_sr: | |
111 | s = QString("<font color=\"blue\">sr: %1</font>").arg(text); | |
112 | break; | |
113 | case LogSource_srd: | |
d1c343c8 | 114 | s = QString("<font color=\"olive\">srd: %1</font>").arg(text); |
bcb4c327 SA |
115 | break; |
116 | default: | |
117 | s = text; | |
118 | break; | |
119 | } | |
120 | ||
121 | out: | |
122 | buffer_.append(s); | |
123 | ||
124 | // If we're tearing down the program, sending out notifications to UI | |
125 | // elements that can no longer function properly is a bad idea | |
126 | if (!QApplication::closingDown()) | |
127 | logged_text(s); | |
128 | } | |
129 | ||
130 | void Logging::log_pv(QtMsgType type, const QMessageLogContext &context, const QString &msg) | |
131 | { | |
132 | (void)type; | |
133 | (void)context; | |
134 | ||
135 | logging.log(msg, LogSource_pv); | |
136 | } | |
137 | ||
348bae08 | 138 | int Logging::log_sr(void *cb_data, int loglevel, const char *format, va_list args) |
bcb4c327 SA |
139 | { |
140 | (void)cb_data; | |
141 | (void)loglevel; | |
142 | ||
143 | char *text = g_strdup_vprintf(format, args); | |
144 | logging.log(QString::fromUtf8(text), LogSource_sr); | |
145 | g_free(text); | |
146 | ||
147 | return SR_OK; | |
148 | } | |
149 | ||
150 | #ifdef ENABLE_DECODE | |
348bae08 | 151 | int Logging::log_srd(void *cb_data, int loglevel, const char *format, va_list args) |
bcb4c327 SA |
152 | { |
153 | (void)cb_data; | |
154 | (void)loglevel; | |
155 | ||
156 | char *text = g_strdup_vprintf(format, args); | |
157 | logging.log(QString::fromUtf8(text), LogSource_srd); | |
158 | g_free(text); | |
159 | ||
160 | return SR_OK; | |
161 | } | |
162 | #endif | |
163 | ||
164 | void Logging::on_setting_changed(const QString &key, const QVariant &value) | |
165 | { | |
166 | if (key == GlobalSettings::Key_Log_BufferSize) { | |
167 | // Truncate buffer if needed | |
168 | const int delta = buffer_.size() - value.toInt(); | |
169 | if (delta > 0) | |
170 | buffer_.erase(buffer_.begin(), buffer_.begin() + delta); | |
171 | ||
172 | buffer_size_ = value.toInt(); | |
173 | buffer_.reserve(buffer_size_); | |
174 | } | |
175 | } | |
176 | ||
177 | } // namespace pv |