Install logging callbacks for Android

[pulseview.git] / android / loghandler.cpp

diff --git a/android/loghandler.cpp b/android/loghandler.cpp
new file mode 100644 (file)
index 0000000..b502420
--- /dev/null
+++ b/android/loghandler.cpp
@@ -0,0 +1,104 @@
+/*
+ * This file is part of the PulseView project.
+ *
+ * Copyright (C) 2014 Marcus Comstedt <marcus@mc.pp.se>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifdef ENABLE_DECODE
+#include <libsigrokdecode/libsigrokdecode.h> /* First, so we avoid a _POSIX_C_SOURCE warning. */
+#endif
+
+#include <android/log.h>
+
+#include <stdint.h>
+#include <libsigrok/libsigrok.h>
+
+#include "android/loghandler.h"
+
+namespace pv {
+
+int AndroidLogHandler::sr_callback(void *cb_data, int loglevel, const char *format, va_list args)
+{
+       static const int prio[] = {
+               [SR_LOG_NONE] = ANDROID_LOG_SILENT,
+               [SR_LOG_ERR] = ANDROID_LOG_ERROR,
+               [SR_LOG_WARN] = ANDROID_LOG_WARN,
+               [SR_LOG_INFO] = ANDROID_LOG_INFO,
+               [SR_LOG_DBG] = ANDROID_LOG_DEBUG,
+               [SR_LOG_SPEW] = ANDROID_LOG_VERBOSE,
+       };
+       int ret;
+
+       /* This specific log callback doesn't need the void pointer data. */
+       (void)cb_data;
+
+       /* Only output messages of at least the selected loglevel(s). */
+       if (loglevel > sr_log_loglevel_get())
+               return SR_OK; /* TODO? */
+
+       if (loglevel < SR_LOG_NONE)
+         loglevel = SR_LOG_NONE;
+       else if (loglevel > SR_LOG_SPEW)
+         loglevel = SR_LOG_SPEW;
+
+       ret = __android_log_vprint(prio[loglevel], "sr", format, args);
+
+       return ret;
+}
+
+int AndroidLogHandler::srd_callback(void *cb_data, int loglevel, const char *format, va_list args)
+{
+#ifdef ENABLE_DECODE
+       static const int prio[] = {
+               [SRD_LOG_NONE] = ANDROID_LOG_SILENT,
+               [SRD_LOG_ERR] = ANDROID_LOG_ERROR,
+               [SRD_LOG_WARN] = ANDROID_LOG_WARN,
+               [SRD_LOG_INFO] = ANDROID_LOG_INFO,
+               [SRD_LOG_DBG] = ANDROID_LOG_DEBUG,
+               [SRD_LOG_SPEW] = ANDROID_LOG_VERBOSE,
+       };
+       int ret;
+
+       /* This specific log callback doesn't need the void pointer data. */
+       (void)cb_data;
+
+       /* Only output messages of at least the selected loglevel(s). */
+       if (loglevel > srd_log_loglevel_get())
+               return SRD_OK; /* TODO? */
+
+       if (loglevel < SRD_LOG_NONE)
+         loglevel = SRD_LOG_NONE;
+       else if (loglevel > SRD_LOG_SPEW)
+         loglevel = SRD_LOG_SPEW;
+
+       ret = __android_log_vprint(prio[loglevel], "srd", format, args);
+
+       return ret;
+#else
+       return 0;
+#endif
+}
+
+void AndroidLogHandler::install_callbacks()
+{
+       sr_log_callback_set(sr_callback, NULL);
+#ifdef ENABLE_DECODE
+       srd_log_callback_set(srd_callback, NULL);
+#endif
+}
+
+} // namespace pv
+