后台改为zlog实现

zlog/format.c

@@ -0,0 +1,164 @@
+/*
+ * This file is part of the zlog Library.
+ *
+ * Copyright (C) 2011 by Hardy Simpson <HardySimpson1984@gmail.com>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING in base directory.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <errno.h>
+#include <ctype.h>
+
+#include "zc_defs.h"
+#include "thread.h"
+#include "spec.h"
+#include "format.h"
+
+void zlog_format_profile(zlog_format_t * a_format, int flag)
+{
+
+	zc_assert(a_format,);
+	zc_profile(flag, "---format[%p][%s = %s(%p)]---",
+		a_format,
+		a_format->name,
+		a_format->pattern,
+		a_format->pattern_specs);
+
+#if 0
+	int i;
+	zlog_spec_t *a_spec;
+	zc_arraylist_foreach(a_format->pattern_specs, i, a_spec) {
+		zlog_spec_profile(a_spec, flag);
+	}
+#endif
+
+	return;
+}
+
+/*******************************************************************************/
+void zlog_format_del(zlog_format_t * a_format)
+{
+	zc_assert(a_format,);
+	if (a_format->pattern_specs) {
+		zc_arraylist_del(a_format->pattern_specs);
+	}
+	zc_debug("zlog_format_del[%p]", a_format);
+    free(a_format);
+	return;
+}
+
+zlog_format_t *zlog_format_new(char *line, int * time_cache_count)
+{
+	int nscan = 0;
+	zlog_format_t *a_format = NULL;
+	int nread = 0;
+	const char *p_start;
+	const char *p_end;
+	char *p;
+	char *q;
+	zlog_spec_t *a_spec;
+
+	zc_assert(line, NULL);
+
+	a_format = calloc(1, sizeof(zlog_format_t));
+	if (!a_format) {
+		zc_error("calloc fail, errno[%d]", errno);
+		return NULL;
+	}
+
+	/* line         default = "%d(%F %X.%l) %-6V (%c:%F:%L) - %m%n"
+	 * name         default
+	 * pattern      %d(%F %X.%l) %-6V (%c:%F:%L) - %m%n
+	 */
+	memset(a_format->name, 0x00, sizeof(a_format->name));
+	nread = 0;
+	nscan = sscanf(line, " %[^= \t] = %n", a_format->name, &nread);
+	if (nscan != 1) {
+		zc_error("format[%s], syntax wrong", line);
+		goto err;
+	}
+
+	if (*(line + nread) != '"') {
+		zc_error("the 1st char of pattern is not \", line+nread[%s]", line+nread);
+		goto err;
+	}
+
+	for (p = a_format->name; *p != '\0'; p++) {
+		if ((!isalnum(*p)) && (*p != '_')) {
+			zc_error("a_format->name[%s] character is not in [a-Z][0-9][_]", a_format->name);
+			goto err;
+		}
+	}
+
+	p_start = line + nread + 1;
+	p_end = strrchr(p_start, '"');
+	if (!p_end) {
+		zc_error("there is no \" at end of pattern, line[%s]", line);
+		goto err;
+	}
+
+	if (p_end - p_start > sizeof(a_format->pattern) - 1) {
+		zc_error("pattern is too long");
+		goto err;
+	}
+	memset(a_format->pattern, 0x00, sizeof(a_format->pattern));
+	memcpy(a_format->pattern, p_start, p_end - p_start);
+
+	if (zc_str_replace_env(a_format->pattern, sizeof(a_format->pattern))) {
+		zc_error("zc_str_replace_env fail");
+		goto err;
+	}
+
+	a_format->pattern_specs =
+	    zc_arraylist_new((zc_arraylist_del_fn) zlog_spec_del);
+	if (!(a_format->pattern_specs)) {
+		zc_error("zc_arraylist_new fail");
+		goto err;
+	}
+
+	for (p = a_format->pattern; *p != '\0'; p = q) {
+		a_spec = zlog_spec_new(p, &q, time_cache_count);
+		if (!a_spec) {
+			zc_error("zlog_spec_new fail");
+			goto err;
+		}
+
+		if (zc_arraylist_add(a_format->pattern_specs, a_spec)) {
+			zlog_spec_del(a_spec);
+			zc_error("zc_arraylist_add fail");
+			goto err;
+		}
+	}
+
+	zlog_format_profile(a_format, ZC_DEBUG);
+	return a_format;
+err:
+	zlog_format_del(a_format);
+	return NULL;
+}
+
+/*******************************************************************************/
+/* return 0	success, or buf is full
+ * return -1	fail
+ */
+int zlog_format_gen_msg(zlog_format_t * a_format, zlog_thread_t * a_thread)
+{
+	int i;
+	zlog_spec_t *a_spec;
+
+	zlog_buf_restart(a_thread->msg_buf);
+
+	zc_arraylist_foreach(a_format->pattern_specs, i, a_spec) {
+		if (zlog_spec_gen_msg(a_spec, a_thread) == 0) {
+			continue;
+		} else {
+			return -1;
+		}
+	}
+
+	return 0;
+}