]>
Commit | Line | Data |
---|---|---|
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 | ||
b9a3a67e | 37 | const int Logging::MIN_BUFFER_SIZE = 10; |
bcb4c327 SA |
38 | const int Logging::MAX_BUFFER_SIZE = 50000; |
39 | ||
40 | Logging::~Logging() | |
41 | { | |
37134086 | 42 | qInstallMessageHandler(nullptr); |
bcb4c327 SA |
43 | sr_log_callback_set_default(); |
44 | #ifdef ENABLE_DECODE | |
45 | srd_log_callback_set_default(); | |
46 | #endif | |
47 | ||
48 | GlobalSettings::remove_change_handler(this); | |
49 | } | |
50 | ||
51 | void Logging::init() | |
52 | { | |
53 | GlobalSettings settings; | |
54 | ||
55 | buffer_size_ = | |
56 | settings.value(GlobalSettings::Key_Log_BufferSize).toInt(); | |
57 | ||
58 | buffer_.reserve(buffer_size_); | |
59 | ||
60 | qInstallMessageHandler(log_pv); | |
348bae08 | 61 | sr_log_callback_set(log_sr, nullptr); |
bcb4c327 | 62 | #ifdef ENABLE_DECODE |
348bae08 | 63 | srd_log_callback_set(log_srd, nullptr); |
bcb4c327 SA |
64 | #endif |
65 | ||
66 | GlobalSettings::add_change_handler(this); | |
67 | } | |
68 | ||
69 | int Logging::get_log_level() const | |
70 | { | |
71 | // We assume that libsigrok and libsrd always have the same log level | |
72 | return sr_log_loglevel_get(); | |
73 | } | |
74 | ||
75 | void Logging::set_log_level(int level) | |
76 | { | |
77 | sr_log_loglevel_set(level); | |
b5131072 | 78 | #ifdef ENABLE_DECODE |
bcb4c327 | 79 | srd_log_loglevel_set(level); |
b5131072 | 80 | #endif |
bcb4c327 SA |
81 | } |
82 | ||
83 | QString Logging::get_log() const | |
84 | { | |
85 | return buffer_.join("<br />\n"); | |
86 | } | |
87 | ||
88 | void Logging::log(const QString &text, int source) | |
89 | { | |
23a923e3 SA |
90 | lock_guard<mutex> log_lock(log_mutex_); |
91 | ||
bcb4c327 SA |
92 | if (buffer_.size() >= buffer_size_) |
93 | buffer_.removeFirst(); | |
94 | ||
95 | QString s; | |
96 | ||
97 | if (text.contains("warning", Qt::CaseInsensitive)) { | |
98 | s = QString("<font color=\"darkorange\">%1</font>").arg(text); | |
99 | goto out; | |
100 | } | |
101 | ||
102 | if (text.contains("error", Qt::CaseInsensitive)) { | |
103 | s = QString("<font color=\"darkred\">%1</font>").arg(text); | |
104 | goto out; | |
105 | } | |
106 | ||
107 | switch (source) { | |
108 | case LogSource_pv: | |
109 | s = QString("pv: ") + text; // black is default color | |
110 | break; | |
111 | case LogSource_sr: | |
112 | s = QString("<font color=\"blue\">sr: %1</font>").arg(text); | |
113 | break; | |
114 | case LogSource_srd: | |
d1c343c8 | 115 | s = QString("<font color=\"olive\">srd: %1</font>").arg(text); |
bcb4c327 SA |
116 | break; |
117 | default: | |
118 | s = text; | |
119 | break; | |
120 | } | |
121 | ||
122 | out: | |
123 | buffer_.append(s); | |
124 | ||
125 | // If we're tearing down the program, sending out notifications to UI | |
126 | // elements that can no longer function properly is a bad idea | |
127 | if (!QApplication::closingDown()) | |
128 | logged_text(s); | |
129 | } | |
130 | ||
131 | void Logging::log_pv(QtMsgType type, const QMessageLogContext &context, const QString &msg) | |
132 | { | |
133 | (void)type; | |
134 | (void)context; | |
135 | ||
136 | logging.log(msg, LogSource_pv); | |
137 | } | |
138 | ||
348bae08 | 139 | int Logging::log_sr(void *cb_data, int loglevel, const char *format, va_list args) |
bcb4c327 SA |
140 | { |
141 | (void)cb_data; | |
142 | (void)loglevel; | |
143 | ||
144 | char *text = g_strdup_vprintf(format, args); | |
145 | logging.log(QString::fromUtf8(text), LogSource_sr); | |
146 | g_free(text); | |
147 | ||
148 | return SR_OK; | |
149 | } | |
150 | ||
151 | #ifdef ENABLE_DECODE | |
348bae08 | 152 | int Logging::log_srd(void *cb_data, int loglevel, const char *format, va_list args) |
bcb4c327 SA |
153 | { |
154 | (void)cb_data; | |
155 | (void)loglevel; | |
156 | ||
157 | char *text = g_strdup_vprintf(format, args); | |
158 | logging.log(QString::fromUtf8(text), LogSource_srd); | |
159 | g_free(text); | |
160 | ||
161 | return SR_OK; | |
162 | } | |
163 | #endif | |
164 | ||
165 | void Logging::on_setting_changed(const QString &key, const QVariant &value) | |
166 | { | |
167 | if (key == GlobalSettings::Key_Log_BufferSize) { | |
168 | // Truncate buffer if needed | |
169 | const int delta = buffer_.size() - value.toInt(); | |
170 | if (delta > 0) | |
171 | buffer_.erase(buffer_.begin(), buffer_.begin() + delta); | |
172 | ||
173 | buffer_size_ = value.toInt(); | |
174 | buffer_.reserve(buffer_size_); | |
175 | } | |
176 | } | |
177 | ||
178 | } // namespace pv |