[PATCH 5/6] lib: log: move line counting to logging back-ends

[Alex Hung]

On 06/20/2012 07:30 PM, Colin King wrote:
> From: Colin Ian King<colin.king at canonical.com>
>
> Rather than logging the line counting at the logging top level
> we should do the line counting at the logging back-end level
> since these are actually re-formatting the data and keeping
> track of the per-log line count.
>
> Signed-off-by: Colin Ian King<colin.king at canonical.com>
> ---
>   src/lib/include/fwts_log.h       |    2 +-
>   src/lib/src/fwts_log.c           |    2 --
>   src/lib/src/fwts_log_html.c      |    1 +
>   src/lib/src/fwts_log_json.c      |    4 +++-
>   src/lib/src/fwts_log_plaintext.c |    5 ++++-
>   src/lib/src/fwts_log_xml.c       |    4 +++-
>   6 files changed, 12 insertions(+), 6 deletions(-)
>
> diff --git a/src/lib/include/fwts_log.h b/src/lib/include/fwts_log.h
> index e1d360e..35f2801 100644
> --- a/src/lib/include/fwts_log.h
> +++ b/src/lib/include/fwts_log.h
> @@ -87,7 +87,6 @@ typedef enum {
>   typedef struct log_t {
>   	unsigned int magic;			/* magic ID of the log */
>   	fwts_list log_files;			/* list of fwts_log_file */
> -	int line_number;			/* keeps track of the line numbering */
>   	char *owner;				/* who is writing to this log */
>   } fwts_log;
>
> @@ -96,6 +95,7 @@ typedef struct log_t {
>    */
>   typedef struct {
>   	FILE *fp;				/* file descriptor for log */
> +	int line_number;			/* keeps track of the line numbering */
>   	fwts_log *log;				/* parent log struct */
>   	fwts_log_type type;			/* log type */
>   	fwts_log_filename_type filename_type;	/* log filename type */
> diff --git a/src/lib/src/fwts_log.c b/src/lib/src/fwts_log.c
> index 5de609e..d1f7fe6 100644
> --- a/src/lib/src/fwts_log.c
> +++ b/src/lib/src/fwts_log.c
> @@ -420,7 +420,6 @@ int fwts_log_printf(fwts_log *log,
>   				log_file->ops->print(log_file, field, level,
>   					status, label, prefix, buffer);
>   		}
> -		log->line_number++;
>
>   		va_end(args);
>   	}
> @@ -460,7 +459,6 @@ void fwts_log_newline(fwts_log *log)
>   			if (log_file->ops&&  log_file->ops->newline)
>   				log_file->ops->newline(log_file);
>   		}
> -		log->line_number++;
>   	}
>   }
>
> diff --git a/src/lib/src/fwts_log_html.c b/src/lib/src/fwts_log_html.c
> index a040b43..09db3bc 100644
> --- a/src/lib/src/fwts_log_html.c
> +++ b/src/lib/src/fwts_log_html.c
> @@ -343,6 +343,7 @@ static int fwts_log_print_html(
>
>   	fwts_log_html(log_file, "</TR>\n");
>   	fflush(log_file->fp);
> +	log_file->line_number++;	/* not used, but bump it anyway */
>
>   	return 0;
>   }
> diff --git a/src/lib/src/fwts_log_json.c b/src/lib/src/fwts_log_json.c
> index 8dd65e4..75383a5 100644
> --- a/src/lib/src/fwts_log_json.c
> +++ b/src/lib/src/fwts_log_json.c
> @@ -69,7 +69,7 @@ static int fwts_log_print_json(
>   	localtime_r(&now,&tm);
>
>   	header = json_object_new_object();
> -	json_object_object_add(header, "line_num", json_object_new_int(log_file->log->line_number));
> +	json_object_object_add(header, "line_num", json_object_new_int(log_file->line_number));
>   	snprintf(tmpbuf, sizeof(tmpbuf), "%2.2d/%2.2d/%-2.2d",
>   		tm.tm_mday, tm.tm_mon + 1, (tm.tm_year+1900) % 100);
>   	json_object_object_add(header, "date", json_object_new_string(tmpbuf));
> @@ -95,6 +95,7 @@ static int fwts_log_print_json(
>   	json_object_object_add(header, "log_text", json_object_new_string(buffer));
>
>   	json_object_array_add(json_log, header);
> +	log_file->line_number++;	/* This is academic really */
>
>   	return 0;
>   }
> @@ -168,6 +169,7 @@ static void fwts_log_close_json(fwts_log_file *log_file)
>   	fwrite(str, 1, len, log_file->fp);
>   	fwrite("\n", 1, 1, log_file->fp);
>   	fflush(log_file->fp);
> +	log_file->line_number++;
>
>   	json_object_put(json_stack[0].obj);
>   }
> diff --git a/src/lib/src/fwts_log_plaintext.c b/src/lib/src/fwts_log_plaintext.c
> index 7381ae3..256c8a4 100644
> --- a/src/lib/src/fwts_log_plaintext.c
> +++ b/src/lib/src/fwts_log_plaintext.c
> @@ -52,7 +52,7 @@ static int fwts_log_header_plaintext(
>   			ptr++;
>   			if (!strncmp(ptr, "line", 4)) {
>   				n += snprintf(buffer + n, len - n,
> -					"%5.5d", log_file->log->line_number);
> +					"%5.5d", log_file->line_number);
>   				ptr += 4;
>   			}
>   			if (!strncmp(ptr, "date", 4)) {
> @@ -139,6 +139,7 @@ static int fwts_log_print_plaintext(
>   		fwrite(text, 1, strlen(text), log_file->fp);
>   		fwrite("\n", 1, 1, log_file->fp);
>   		fflush(log_file->fp);
> +		log_file->line_number++;
>   		len += strlen(text) + 1;
>   	}
>   	fwts_text_list_free(lines);
> @@ -171,6 +172,7 @@ static void fwts_log_underline_plaintext(fwts_log_file *log_file, const int ch)
>
>   	fwrite(buffer, 1, width, log_file->fp);
>   	fflush(log_file->fp);
> +	log_file->line_number++;
>
>   	free(buffer);
>   }
> @@ -183,6 +185,7 @@ static void fwts_log_newline_plaintext(fwts_log_file *log_file)
>   {
>   	fwrite("\n", 1, 1, log_file->fp);
>   	fflush(log_file->fp);
> +	log_file->line_number++;
>   }
>
>   fwts_log_ops fwts_log_plaintext_ops = {
> diff --git a/src/lib/src/fwts_log_xml.c b/src/lib/src/fwts_log_xml.c
> index 19e5e94..47ec35c 100644
> --- a/src/lib/src/fwts_log_xml.c
> +++ b/src/lib/src/fwts_log_xml.c
> @@ -67,7 +67,7 @@ static int fwts_log_print_xml(
>
>   	fprintf(log_file->fp, "%*s<line_num>%d</line_num>\n",
>   		(xml_stack_index + 1) * XML_INDENT,
> -		"", log_file->log->line_number);
> +		"", log_file->line_number);
>
>   	fprintf(log_file->fp, "%*s<date>%2.2d/%2.2d/%-2.2d</date>\n",
>   		(xml_stack_index + 1) * XML_INDENT,
> @@ -102,6 +102,7 @@ static int fwts_log_print_xml(
>
>   	fprintf(log_file->fp, "%*s</logentry>\n", xml_stack_index * XML_INDENT, "");
>   	fflush(log_file->fp);
> +	log_file->line_number++;
>
>   	return 0;
>   }
> @@ -169,6 +170,7 @@ static void fwts_log_close_xml(fwts_log_file *log_file)
>
>   	fwrite("\n", 1, 1, log_file->fp);
>   	fflush(log_file->fp);
> +	log_file->line_number++;
>   }
>
>   fwts_log_ops fwts_log_xml_ops = {
Acked-by: Alex Hung <alex.hung at canonical.com>