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Viewing changes to src/xbt/xbt_replay_trace_reader.c

  • Committer: Package Import Robot
  • Author(s): Martin Quinson
  • Date: 2013-01-31 00:24:51 UTC
  • mfrom: (10.1.6 sid)
  • Revision ID: package-import@ubuntu.com-20130131002451-krejhf7w7h24lpsc
Tags: 3.9~rc1-1
* New upstream release: the "Grasgory" release. Major changes:
  - Gras was completely removed from this version.
  - Documentation reorganization to ease browsing it.
  - New default value for the TCP_gamma parameter: 4MiB

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src/xbt/xbt_replay_trace_reader.c
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/* Copyright (c) 2010. The SimGrid Team.
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 * All rights reserved.                                                     */
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/* This program is free software; you can redistribute it and/or modify it
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 * under the terms of the license (GNU LGPL) which comes with this package. */
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#include "simgrid_config.h" //For getline, keep that include first
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#include "gras_config.h"
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#include <errno.h>
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#include "xbt/sysdep.h"
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#include "xbt/log.h"
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#include "xbt/str.h"
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#include "xbt/replay_trace_reader.h"
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XBT_LOG_NEW_DEFAULT_SUBCATEGORY(replay,xbt,"Replay trace reader");
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typedef struct s_replay_trace_reader {
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  FILE *fp;
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  char *line;
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  size_t line_len;
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  char *position; /* stable storage */
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  char *filename; int linenum;
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} s_xbt_replay_trace_reader_t;
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xbt_replay_trace_reader_t xbt_replay_trace_reader_new(const char *filename)
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{
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  xbt_replay_trace_reader_t res = xbt_new0(s_xbt_replay_trace_reader_t,1);
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  res->fp = fopen(filename, "r");
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  xbt_assert(res->fp != NULL, "Cannot open %s: %s", filename,
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      strerror(errno));
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  res->filename = xbt_strdup(filename);
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  return res;
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}
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const char *xbt_replay_trace_reader_position(xbt_replay_trace_reader_t reader)
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{
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  free(reader->position);
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  reader->position = bprintf("%s:%d",reader->filename,reader->linenum);
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  return reader->position;
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}
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const char **xbt_replay_trace_reader_get(xbt_replay_trace_reader_t reader)
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{
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  ssize_t read;
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  xbt_dynar_t d;
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  read = getline(&reader->line, &reader->line_len, reader->fp);
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  //XBT_INFO("got from trace: %s",reader->line);
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  reader->linenum++;
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  if (read==-1)
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    return NULL; /* end of file */
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  char *comment = strchr(reader->line, '#');
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  if (comment != NULL)
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    *comment = '\0';
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  xbt_str_trim(reader->line, NULL);
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  if (reader->line[0] == '\0')
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    return xbt_replay_trace_reader_get(reader); /* Get next line */
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  d=xbt_str_split_quoted_in_place(reader->line);
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  if (xbt_dynar_is_empty(d)) {
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    xbt_dynar_free(&d);
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    return xbt_replay_trace_reader_get(reader); /* Get next line */
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  }
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  return xbt_dynar_to_array(d);
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}
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void xbt_replay_trace_reader_free(xbt_replay_trace_reader_t *reader)
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{
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  free((*reader)->filename);
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  free((*reader)->position);
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  fclose((*reader)->fp);
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  free((*reader)->line);
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  free(*reader);
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  *reader=NULL;
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}