Topic/syslog

Android.bp

@@ -2,6 +2,7 @@ cc_binary {
     name: "tqftpserv",
     vendor: true,
     srcs: [
+        "logging.c",
         "tqftpserv.c",
         "translate.c",
     ],

logging.c

@@ -0,0 +1,122 @@
+// SPDX-License-Identifier: BSD-3-Clause-Clear
+/*
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ */
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include "logging.h"
+
+/* Global logging configuration */
+struct tqftp_log_config tqftp_log_cfg = {
+	.facility = LOG_DAEMON,
+	.min_level = LOG_INFO,
+	.options = LOG_PID | LOG_CONS,
+	.use_console = 0,
+	.ident = "tqftpserv"
+};
+
+/* Log level name mappings */
+static const struct {
+	const char *name;
+	int level;
+} log_levels[] = {
+	{"emerg", LOG_EMERG},
+	{"emergency", LOG_EMERG},
+	{"alert", LOG_ALERT},
+	{"crit", LOG_CRIT},
+	{"critical", LOG_CRIT},
+	{"err", LOG_ERR},
+	{"error", LOG_ERR},
+	{"warn", LOG_WARNING},
+	{"warning", LOG_WARNING},
+	{"notice", LOG_NOTICE},
+	{"info", LOG_INFO},
+	{"debug", LOG_DEBUG},
+	{NULL, -1}
+};
+
+
+/**
+ * tqftp_log_init() - Initialize logging with default configuration
+ * @ident: Program identifier for log messages
+ */
+void tqftp_log_init(const char *ident)
+{
+	tqftp_log_cfg.ident = ident;
+	openlog(tqftp_log_cfg.ident, tqftp_log_cfg.options, tqftp_log_cfg.facility);
+}
+
+/**
+ * tqftp_log_init_with_config() - Initialize logging with custom configuration
+ * @config: Logging configuration structure
+ */
+void tqftp_log_init_with_config(struct tqftp_log_config *config)
+{
+	if (config) {
+		tqftp_log_cfg = *config;
+	}
+
+	if (!tqftp_log_cfg.use_console) {
+		openlog(tqftp_log_cfg.ident, tqftp_log_cfg.options, tqftp_log_cfg.facility);
+	}
+}
+
+/**
+ * tqftp_log() - Internal logging function
+ * @priority: Syslog priority level
+ * @fmt: Format string
+ * @...: Format arguments
+ */
+void tqftp_log(int priority, const char *fmt, ...)
+{
+	va_list args;
+	char buffer[1024];
+	time_t now;
+	struct tm *tm_info;
+	char time_str[64];
+
+	va_start(args, fmt);
+
+	if (tqftp_log_cfg.use_console) {
+		/* Log to console with timestamp */
+		time(&now);
+		tm_info = localtime(&now);
+		strftime(time_str, sizeof(time_str), "%Y-%m-%d %H:%M:%S", tm_info);
+
+		vsnprintf(buffer, sizeof(buffer), fmt, args);
+		fprintf(stderr, "%s [TQFTP] %s\n", time_str, buffer);
+		fflush(stderr);
+	} else {
+		/* Log to syslog */
+		vsnprintf(buffer, sizeof(buffer), fmt, args);
+		syslog(priority, "[TQFTP] %s", buffer);
+	}
+
+	va_end(args);
+}
+
+/**
+ * tqftp_parse_log_level() - Parse log level string
+ * @level_str: Log level string (e.g., "info", "debug", "error")
+ *
+ * Return: Log level constant on success, -1 on error
+ */
+int tqftp_parse_log_level(const char *level_str)
+{
+	int i;
+
+	if (!level_str)
+		return -1;
+
+	for (i = 0; log_levels[i].name; i++) {
+		if (!strcasecmp(level_str, log_levels[i].name)) {
+			return log_levels[i].level;
+		}
+	}
+
+	return -1;
+}

logging.h

@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ */
+
+#ifndef __LOGGING_H__
+#define __LOGGING_H__
+
+#include <syslog.h>
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+
+/* Logging configuration structure */
+struct tqftp_log_config {
+	int facility;
+	int min_level;
+	int options;
+	int use_console;
+	const char *ident;
+};
+
+/* Global logging configuration */
+extern struct tqftp_log_config tqftp_log_cfg;
+
+/* Initialize syslog for the application */
+#define LOG_INIT(ident) tqftp_log_init(ident)
+#define LOG_INIT_WITH_CONFIG(config) tqftp_log_init_with_config(config)
+
+/* Close syslog */
+#define LOG_CLOSE() closelog()
+
+/* Function prototypes */
+void tqftp_log_init(const char *ident);
+void tqftp_log_init_with_config(struct tqftp_log_config *config);
+int tqftp_parse_log_level(const char *level_str);
+
+/* Internal logging function */
+void tqftp_log(int priority, const char *fmt, ...);
+
+/* Project-specific logging macros with different priority levels */
+#define TQFTP_LOG_EMERG(fmt, ...)   do { if (LOG_EMERG >= tqftp_log_cfg.min_level) tqftp_log(LOG_EMERG, fmt, ##__VA_ARGS__); } while(0)
+#define TQFTP_LOG_ALERT(fmt, ...)   do { if (LOG_ALERT >= tqftp_log_cfg.min_level) tqftp_log(LOG_ALERT, fmt, ##__VA_ARGS__); } while(0)
+#define TQFTP_LOG_CRIT(fmt, ...)    do { if (LOG_CRIT >= tqftp_log_cfg.min_level) tqftp_log(LOG_CRIT, fmt, ##__VA_ARGS__); } while(0)
+#define TQFTP_LOG_ERR(fmt, ...)     do { if (LOG_ERR >= tqftp_log_cfg.min_level) tqftp_log(LOG_ERR, fmt, ##__VA_ARGS__); } while(0)
+#define TQFTP_LOG_WARNING(fmt, ...) do { if (LOG_WARNING >= tqftp_log_cfg.min_level) tqftp_log(LOG_WARNING, fmt, ##__VA_ARGS__); } while(0)
+#define TQFTP_LOG_NOTICE(fmt, ...)  do { if (LOG_NOTICE >= tqftp_log_cfg.min_level) tqftp_log(LOG_NOTICE, fmt, ##__VA_ARGS__); } while(0)
+#define TQFTP_LOG_INFO(fmt, ...)    do { if (LOG_INFO >= tqftp_log_cfg.min_level) tqftp_log(LOG_INFO, fmt, ##__VA_ARGS__); } while(0)
+#define TQFTP_LOG_DEBUG(fmt, ...)   do { if (LOG_DEBUG >= tqftp_log_cfg.min_level) tqftp_log(LOG_DEBUG, fmt, ##__VA_ARGS__); } while(0)
+
+#endif /* __LOGGING_H__ */

meson.build

@@ -30,7 +30,8 @@ endif
 
 qrtr_dep = dependency('qrtr')
 
-tqftpserv_srcs = ['translate.c',
+tqftpserv_srcs = ['logging.c',
+                  'translate.c',
                   'tqftpserv.c',
                   'zstd-decompress.c']
 executable('tqftpserv',