chiaki/android/app/src/main/cpp/log.c
2019-10-31 12:23:12 +01:00

146 lines
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3.4 KiB
C

/*
* This file is part of Chiaki.
*
* Chiaki 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.
*
* Chiaki 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 Chiaki. If not, see <https://www.gnu.org/licenses/>.
*/
#include "log.h"
#include <android/log.h>
#include <string.h>
#include <errno.h>
#include <jni.h>
#include "chiaki-jni.h"
#define LOG_TAG "Chiaki"
void log_cb_android(ChiakiLogLevel level, const char *msg, void *user)
{
int prio;
switch(level)
{
case CHIAKI_LOG_DEBUG:
prio = ANDROID_LOG_DEBUG;
break;
case CHIAKI_LOG_VERBOSE:
prio = ANDROID_LOG_VERBOSE;
break;
case CHIAKI_LOG_INFO:
prio = ANDROID_LOG_INFO;
break;
case CHIAKI_LOG_WARNING:
prio = ANDROID_LOG_ERROR;
break;
case CHIAKI_LOG_ERROR:
prio = ANDROID_LOG_ERROR;
break;
default:
prio = ANDROID_LOG_INFO;
break;
}
__android_log_write(prio, LOG_TAG, msg);
}
static void log_cb_android_file(ChiakiLogLevel level, const char *msg, void *user)
{
log_cb_android(level, msg, user);
FILE *f = user;
if(!f)
return;
switch(level)
{
case CHIAKI_LOG_DEBUG:
fwrite("[D] ", 4, 1, f);
break;
case CHIAKI_LOG_VERBOSE:
fwrite("[V] ", 4, 1, f);
break;
case CHIAKI_LOG_INFO:
fwrite("[I] ", 4, 1, f);
break;
case CHIAKI_LOG_WARNING:
fwrite("[W] ", 4, 1, f);
break;
case CHIAKI_LOG_ERROR:
fwrite("[E] ", 4, 1, f);
break;
default:
fwrite("[?] ", 4, 1, f);
break;
}
fwrite(msg, strlen(msg), 1, f);
fwrite("\n", 1, 1, f);
}
ChiakiErrorCode android_chiaki_file_log_init(ChiakiLog *log, uint32_t level, const char *file)
{
chiaki_log_init(log, level, log_cb_android, NULL);
if(file)
{
FILE *f = fopen(file, "w+");
if(!f)
{
CHIAKI_LOGE(log, "Failed to open log file %s for writing: %s", file, strerror(errno));
return CHIAKI_ERR_UNKNOWN;
}
else
{
log->user = f;
log->cb = log_cb_android_file;
CHIAKI_LOGI(log, "Logging to file %s", file);
}
}
return CHIAKI_ERR_SUCCESS;
}
void android_chiaki_file_log_fini(ChiakiLog *log)
{
if(log->user)
{
FILE *f = log->user;
fclose(f);
log->user = NULL;
}
}
static void android_chiaki_log_cb(ChiakiLogLevel level, const char *msg, void *user)
{
log_cb_android(level, msg, NULL);
AndroidChiakiJNILog *log = user;
JNIEnv *env = attach_thread_jni();
if(!env)
return;
E->CallVoidMethod(env, log->java_log, log->java_log_meth, (jint)level, jnistr_from_ascii(env, msg));
(*global_vm)->DetachCurrentThread(global_vm);
}
void android_chiaki_jni_log_init(AndroidChiakiJNILog *log, JNIEnv *env, jobject java_log)
{
log->java_log = E->NewGlobalRef(env, java_log);
jclass log_class = E->GetObjectClass(env, log->java_log);
log->java_log_meth = E->GetMethodID(env, log_class, "log", "(ILjava/lang/String;)V");
log->log.level_mask = (uint32_t)E->GetIntField(env, log->java_log, E->GetFieldID(env, log_class, "levelMask", "I"));
log->log.cb = android_chiaki_log_cb;
log->log.user = log;
}
void android_chiaki_jni_log_fini(AndroidChiakiJNILog *log, JNIEnv *env)
{
E->DeleteGlobalRef(env, log->java_log);
}