9 #define LOG_START_SZ 512
11 size_t log_info_buf(const char *buf, size_t len)
14 * buf could be NULL (not just "").
20 size_t ret = fio_server_text_output(FIO_LOG_INFO, buf, len);
26 syslog(LOG_INFO, "%s", buf);
29 return fwrite(buf, len, 1, f_out);
32 static size_t valist_to_buf(char **buffer, const char *fmt, va_list src_args)
34 size_t len, cur = LOG_START_SZ;
38 *buffer = calloc(1, cur);
42 va_copy(args, src_args);
43 len = vsnprintf(*buffer, cur, fmt, args);
56 /* allocate buffer, fill with prefix string followed by vararg string */
57 static size_t prevalist_to_buf(char **buffer, const char *pre, int prelen,
58 const char *fmt, va_list src_args)
60 size_t len, cur = LOG_START_SZ;
64 *buffer = calloc(1, cur);
68 va_copy(args, src_args);
69 memcpy(*buffer, pre, prelen);
70 len = prelen + vsnprintf(*buffer + prelen, cur - prelen, fmt, args);
83 size_t log_valist(const char *fmt, va_list args)
88 len = valist_to_buf(&buffer, fmt, args);
89 len = log_info_buf(buffer, len);
95 /* add prefix for the specified type in front of the valist */
96 void log_prevalist(int type, const char *fmt, va_list args)
105 if (fio_debug_jobp && *fio_debug_jobp != -1U
106 && pid != *fio_debug_jobp)
109 prelen = snprintf(pre, sizeof pre, "%-8s %-5u ", debug_levels[type].name, (int) pid);
113 len = prevalist_to_buf(&buffer, pre, prelen, fmt, args);
114 len = log_info_buf(buffer, len);
120 size_t log_info(const char *format, ...)
125 va_start(args, format);
126 ret = log_valist(format, args);
132 size_t __log_buf(struct buf_output *buf, const char *format, ...)
138 va_start(args, format);
139 len = valist_to_buf(&buffer, format, args);
142 len = buf_output_add(buf, buffer, len);
148 int log_info_flush(void)
150 if (is_backend || log_syslog)
153 return fflush(f_out);
156 size_t log_err(const char *format, ...)
162 va_start(args, format);
163 len = valist_to_buf(&buffer, format, args);
167 ret = fio_server_text_output(FIO_LOG_ERR, buffer, len);
173 syslog(LOG_INFO, "%s", buffer);
177 ret = fwrite(buffer, len, 1, stderr);
179 ret = fwrite(buffer, len, 1, f_err);
187 const char *log_get_level(int level)
189 static const char *levels[] = { "Unknown", "Debug", "Info", "Error",
192 if (level >= FIO_LOG_NR)
195 return levels[level];