1、【增加】Linux平台下的Demo。

Signed-off-by: armink <armink.ztl@gmail.com>

demo/os/linux/README.md

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+# linux demo
+
+---
+
+## 1、简介
+
+使用GCC编译。通过 `main.c` 的 `test_elog()` 方法来测试日志的输出。
+
+### 1.1、使用方法
+
+使用前需提前配置好编译环境，配置成功后，执行 `make.sh` 脚本，等待编译完成后，运行 `out\EasyLoggerLinuxDemo` 即可看到运行结果。
+
+## 2、文件（夹）说明
+
+`easylogger\port\elog_port.c` 移植参考文件
+
+## 3、其他功能
+
+可以打开 `main.c` 的58-65行中的部分注释，来测试以下功能。
+
+- 第59行：动态使能或失能日志输出
+- 第61行：动态设置过滤优先级
+- 第63行：动态设置过滤标签
+- 第65行：动态设置过滤关键词

demo/os/linux/easylogger/inc/elog_cfg.h

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+/*
+ * This file is part of the EasyLogger Library.
+ *
+ * Copyright (c) 2015, Armink, <armink.ztl@gmail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * 'Software'), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Function: It is the configure head file for this library.
+ * Created on: 2015-07-30
+ */
+
+#ifndef _ELOG_CFG_H_
+#define _ELOG_CFG_H_
+
+/* setting static output log level */
+#define ELOG_OUTPUT_LVL                      ELOG_LVL_VERBOSE
+/* enable log output. default open this macro */
+#define ELOG_OUTPUT_ENABLE
+/* output line number max length */
+#define ELOG_LINE_NUM_MAX_LEN                5
+/* log buffer size */
+#define ELOG_BUF_SIZE                        512
+/* output filter's tag max length */
+#define ELOG_FILTER_TAG_MAX_LEN              16
+/* output filter's keyword max length */
+#define ELOG_FILTER_KW_MAX_LEN               16
+/* output newline sign */
+#define ELOG_NEWLINE_SIGN                    "\n"
+
+#endif /* _ELOG_CFG_H_ */

demo/os/linux/easylogger/port/elog_port.c

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+/*
+ * This file is part of the EasyLogger Library.
+ *
+ * Copyright (c) 2015, Armink, <armink.ztl@gmail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * 'Software'), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Function: Portable interface for linux.
+ * Created on: 2015-04-28
+ */
+
+#include <elog.h>
+#include <stdio.h>
+#include <pthread.h>
+#include <unistd.h>
+#include <time.h>
+
+static pthread_mutex_t output_lock;
+
+/**
+ * EasyLogger port initialize
+ *
+ * @return result
+ */
+ElogErrCode elog_port_init(void) {
+    ElogErrCode result = ELOG_NO_ERR;
+
+    pthread_mutex_init(&output_lock, NULL);
+
+    return result;
+}
+
+/**
+ * output log port interface
+ *
+ * @param log output of log
+ * @param size log size
+ */
+void elog_port_output(const char *log, size_t size) {
+    /* output to terminal */
+    printf("%.*s", size, log);
+}
+
+/**
+ * output lock
+ */
+void elog_port_output_lock(void) {
+    pthread_mutex_lock(&output_lock);
+}
+
+/**
+ * output unlock
+ */
+void elog_port_output_unlock(void) {
+    pthread_mutex_unlock(&output_lock);
+}
+
+
+/**
+ * get current time interface
+ *
+ * @return current time
+ */
+const char *elog_port_get_time(void) {
+    static char cur_system_time[24] = { 0 };
+    time_t timep;
+    struct tm *p;
+
+    time(&timep);
+    p = localtime(&timep);
+    if (p == NULL) {
+        return "";
+    }
+    snprintf(cur_system_time, 18, "%02d-%02d %02d:%02d:%02d", p->tm_mon + 1, p->tm_mday,
+            p->tm_hour, p->tm_min, p->tm_sec);
+
+    return cur_system_time;
+}
+
+/**
+ * get current process name interface
+ *
+ * @return current process name
+ */
+const char *elog_port_get_p_info(void) {
+    static char cur_process_info[10] = { 0 };
+
+    snprintf(cur_process_info, 10, "pid:%04d", getpid());
+
+    return cur_process_info;
+}
+
+/**
+ * get current thread name interface
+ *
+ * @return current thread name
+ */
+const char *elog_port_get_t_info(void) {
+    static char cur_thread_info[10] = { 0 };
+
+    snprintf(cur_thread_info, 10, "tid:%04ld", pthread_self());
+
+    return cur_thread_info;
+}

demo/os/linux/main.c

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+/*
+ * This file is part of the EasyLogger Library.
+ *
+ * Copyright (c) 2015, Armink, <armink.ztl@gmail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * 'Software'), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Function: linux demo.
+ * Created on: 2015-07-30
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "elog.h"
+
+#define log_a(...) elog_a("main.test.a", __VA_ARGS__)
+#define log_e(...) elog_e("main.test.e", __VA_ARGS__)
+#define log_w(...) elog_w("main.test.w", __VA_ARGS__)
+#define log_i(...) elog_i("main.test.i", __VA_ARGS__)
+#define log_d(...) elog_d("main.test.d", __VA_ARGS__)
+#define log_v(...) elog_v("main.test.v", __VA_ARGS__)
+
+static void test_elog(void);
+
+int main(void) {
+    /* close printf buffer */
+    setbuf(stdout, NULL);
+    /* initialize EasyLogger */
+    elog_init();
+    /* set EasyLogger log format */
+    elog_set_fmt(ELOG_LVL_ASSERT, ELOG_FMT_ALL);
+    elog_set_fmt(ELOG_LVL_ERROR, ELOG_FMT_LVL | ELOG_FMT_TAG | ELOG_FMT_TIME);
+    elog_set_fmt(ELOG_LVL_WARN, ELOG_FMT_LVL | ELOG_FMT_TAG | ELOG_FMT_TIME);
+    elog_set_fmt(ELOG_LVL_INFO, ELOG_FMT_LVL | ELOG_FMT_TAG | ELOG_FMT_TIME);
+    elog_set_fmt(ELOG_LVL_DEBUG, ELOG_FMT_ALL & ~ELOG_FMT_FUNC);
+    elog_set_fmt(ELOG_LVL_VERBOSE, ELOG_FMT_ALL & ~ELOG_FMT_FUNC);
+    /* start EasyLogger */
+    elog_start();
+
+    /* dynamic set enable or disable for output logs (true or false) */
+//    elog_set_output_enabled(false);
+    /* dynamic set output logs's level (from ELOG_LVL_ASSERT to ELOG_LVL_VERBOSE) */
+//    elog_set_filter_lvl(ELOG_LVL_WARN);
+    /* dynamic set output logs's filter for tag */
+//    elog_set_filter_tag("main.test.a");
+    /* dynamic set output logs's filter for keyword */
+//    elog_set_filter_kw("Hello");
+
+    /* test logger output */
+    test_elog();
+
+	return EXIT_SUCCESS;
+}
+
+/**
+ * EasyLogger demo
+ */
+void test_elog(void) {
+    while(true) {
+        /* test log output for all level */
+        log_a("Hello EasyLogger!");
+        log_e("Hello EasyLogger!");
+        log_w("Hello EasyLogger!");
+        log_i("Hello EasyLogger!");
+        log_d("Hello EasyLogger!");
+        log_v("Hello EasyLogger!");
+//        elog_raw("Hello EasyLogger!");
+        sleep(5);
+    }
+}

demo/os/linux/make.sh

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+#!/bin/bash
+gcc -I "easylogger/inc" -I "../../../easylogger/inc" -O0 -g3 -Wall -c "../../../easylogger/src/elog.c" -o "out/elog.o" 
+gcc -I "easylogger/inc" -I "../../../easylogger/inc" -O0 -g3 -Wall -c "easylogger/port/elog_port.c" -o "out/elog_port.o"
+gcc -I "easylogger/inc" -I "../../../easylogger/inc" -O0 -g3 -Wall -c  "../../../easylogger/src/elog_utils.c" -o "out/elog_utils.o"
+gcc -I "easylogger/inc" -I "../../../easylogger/inc" -O0 -g3 -Wall -c "main.c" -o "out/main.o"
+gcc -o out/EasyLoggerLinuxDemo "out/main.o" "out/elog_utils.o" "out/elog.o" "out/elog_port.o" -lpthread

demo/os/linux/out/.gitignore

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+*.o
+*.exe
+EasyLoggerLinuxDemo