int rrd_graph_xport(image_desc_t *im) {
/* prepare the data for processing */
unsigned long col_cnt=0;
time_t start=im->start;
time_t end=im->end;
unsigned long step=im->step;
char **legend_v=NULL;
rrd_value_t *data=NULL;
/* initialize buffer */
stringbuffer_t buffer={0,0,NULL,NULL};
/* check if we have a supported ggraph format */
switch (im->graph_type) {
/* allow the following to pass */
case GTYPE_TIME:
case GTYPE_XY:
break;
default:
rrd_set_error("Not supported graph type");
return -1;
}
/* if we write a file, then open it */
if (im->graphfile) {
buffer.file=fopen(im->graphfile,"w");
}
/* do the data processing */
if (rrd_xport_fn(im,&start,&end,&step,&col_cnt,&legend_v,&data,1)) { return -1;}
/* fill in some data */
rrd_infoval_t info;
info.u_cnt = start;
grinfo_push(im, sprintf_alloc("graph_start"), RD_I_CNT, info);
info.u_cnt = end;
grinfo_push(im, sprintf_alloc("graph_end"), RD_I_CNT, info);
info.u_cnt = step;
grinfo_push(im, sprintf_alloc("graph_step"), RD_I_CNT, info);
/* set locale */
/* format it for output */
int r=0;
switch(im->imgformat) {
case IF_XML:
r=rrd_xport_format_xmljson(2,&buffer,im, start, end, step, col_cnt, legend_v, data);
break;
case IF_XMLENUM:
r=rrd_xport_format_xmljson(6,&buffer,im, start, end, step, col_cnt, legend_v, data);
break;
case IF_JSON:
r=rrd_xport_format_xmljson(1,&buffer,im, start, end, step, col_cnt, legend_v, data);
break;
case IF_JSONTIME:
r=rrd_xport_format_xmljson(3,&buffer,im, start, end, step, col_cnt, legend_v, data);
break;
case IF_CSV:
r=rrd_xport_format_sv(',',&buffer,im, start, end, step, col_cnt, legend_v, data);
break;
case IF_TSV:
r=rrd_xport_format_sv('\t',&buffer,im, start, end, step, col_cnt, legend_v, data);
break;
case IF_SSV:
r=rrd_xport_format_sv(';',&buffer,im, start, end, step, col_cnt, legend_v, data);
break;
default:
break;
}
/* handle errors */
if (r) {
/* free legend */
for (unsigned long j = 0; j < col_cnt; j++) {
free(legend_v[j]);
}
free(legend_v);
/* free data */
free(data);
/* free the buffer */
if (buffer.data) {free(buffer.data);}
/* close the file */
if (buffer.file) {fclose(buffer.file);}
/* and return with error */
return r;
}
/* now do the cleanup */
if (buffer.file) {
fclose(buffer.file); buffer.file=NULL;
im->rendered_image_size=0;
im->rendered_image=NULL;
} else {
im->rendered_image_size=buffer.len;
im->rendered_image=buffer.data;
}
/* and print stuff */
return print_calc(im);
}
int rrd_xport(
int argc,
char **argv,
int UNUSED(*xsize),
time_t *start,
time_t *end, /* which time frame do you want ?
* will be changed to represent reality */
unsigned long *step, /* which stepsize do you want?
* will be changed to represent reality */
unsigned long *col_cnt, /* number of data columns in the result */
char ***legend_v, /* legend entries */
rrd_value_t **data)
{ /* two dimensional array containing the data */
image_desc_t im;
time_t start_tmp = 0, end_tmp = 0;
rrd_time_value_t start_tv, end_tv;
char *parsetime_error = NULL;
struct optparse options;
optparse_init(&options, argc, argv);
struct optparse_long longopts[] = {
{"start", 's', OPTPARSE_REQUIRED},
{"end", 'e', OPTPARSE_REQUIRED},
{"maxrows",'m', OPTPARSE_REQUIRED},
{"step", 261, OPTPARSE_REQUIRED},
{"enumds", 262, OPTPARSE_NONE},
{"json", 263, OPTPARSE_NONE},
{"showtime", 't', OPTPARSE_NONE},
{"daemon", 'd', OPTPARSE_REQUIRED},
{0}
};
rrd_graph_init(&im);
rrd_parsetime("end-24h", &start_tv);
rrd_parsetime("now", &end_tv);
int enumds=0;
int json=0;
int showtime=0;
int opt;
while ((opt = optparse_long(&options,longopts,NULL)) != -1){
switch (opt) {
case 261:
im.step = atoi(options.optarg);
break;
case 262:
enumds=1;
break;
case 263:
json=1;
break;
case 't':
showtime=1;
break;
case 's':
if ((parsetime_error = rrd_parsetime(options.optarg, &start_tv))) {
rrd_set_error("start time: %s", parsetime_error);
return -1;
}
break;
case 'e':
if ((parsetime_error = rrd_parsetime(options.optarg, &end_tv))) {
rrd_set_error("end time: %s", parsetime_error);
return -1;
}
break;
case 'm':
im.xsize = atol(options.optarg);
if (im.xsize < 10) {
rrd_set_error("maxrows below 10 rows");
return -1;
}
break;
case 'd':
{
if (im.daemon_addr != NULL)
{
rrd_set_error ("You cannot specify --daemon "
"more than once.");
return (-1);
}
im.daemon_addr = strdup(options.optarg);
if (im.daemon_addr == NULL)
{
rrd_set_error("strdup error");
return -1;
}
break;
}
case '?':
rrd_set_error("%s", options.errmsg);
return -1;
}
}
if (rrd_proc_start_end(&start_tv, &end_tv, &start_tmp, &end_tmp) == -1) {
return -1;
}
if (start_tmp < 3600 * 24 * 365 * 10) {
rrd_set_error("the first entry to fetch should be after 1980 (%ld)",
start_tmp);
return -1;
}
if (end_tmp < start_tmp) {
rrd_set_error("start (%ld) should be less than end (%ld)",
start_tmp, end_tmp);
return -1;
}
im.start = start_tmp;
im.end = end_tmp;
im.step = max((long) im.step, (im.end - im.start) / im.xsize);
rrd_graph_script(options.argc, options.argv, &im, options.optind);
if (rrd_test_error()) {
im_free(&im);
return -1;
}
if (im.gdes_c == 0) {
rrd_set_error("can't make an xport without contents");
im_free(&im);
return (-1);
}
{ /* try to connect to rrdcached */
int status = rrdc_connect(im.daemon_addr);
if (status != 0) return status;
}
if (rrd_xport_fn(&im, start, end, step, col_cnt, legend_v, data,0) == -1) {
im_free(&im);
return -1;
}
/* and create the export */
if (!xsize) {
int flags=0;
if (json) { flags|=1; }
if (showtime) { flags|=2; }
if (enumds) { flags|=4; }
stringbuffer_t buffer={0,0,NULL,stdout};
rrd_xport_format_xmljson(flags,&buffer,&im,
*start, *end, *step,
*col_cnt, *legend_v,
*data);
}
im_free(&im);
return 0;
}
int rrd_xport(
int argc,
char **argv,
int UNUSED(*xsize),
time_t *start,
time_t *end, /* which time frame do you want ?
* will be changed to represent reality */
unsigned long *step, /* which stepsize do you want?
* will be changed to represent reality */
unsigned long *col_cnt, /* number of data columns in the result */
char ***legend_v, /* legend entries */
rrd_value_t **data)
{ /* two dimensional array containing the data */
image_desc_t im;
time_t start_tmp = 0, end_tmp = 0;
rrd_time_value_t start_tv, end_tv;
char *parsetime_error = NULL;
struct option long_options[] = {
{"start", required_argument, 0, 's'},
{"end", required_argument, 0, 'e'},
{"maxrows", required_argument, 0, 'm'},
{"step", required_argument, 0, 261},
{"enumds", no_argument, 0, 262}, /* these are handled in the frontend ... */
{"json", no_argument, 0, 263}, /* these are handled in the frontend ... */
{"daemon", required_argument, 0, 'd'},
{0, 0, 0, 0}
};
optind = 0;
opterr = 0; /* initialize getopt */
rrd_graph_init(&im);
rrd_parsetime("end-24h", &start_tv);
rrd_parsetime("now", &end_tv);
int enumds=0;
int json=0;
while (1) {
int option_index = 0;
int opt;
opt = getopt_long(argc, argv, "s:e:m:d:", long_options, &option_index);
if (opt == EOF)
break;
switch (opt) {
case 261:
im.step = atoi(optarg);
break;
case 262:
enumds=1;
break;
case 263:
json=1;
break;
case 's':
if ((parsetime_error = rrd_parsetime(optarg, &start_tv))) {
rrd_set_error("start time: %s", parsetime_error);
return -1;
}
break;
case 'e':
if ((parsetime_error = rrd_parsetime(optarg, &end_tv))) {
rrd_set_error("end time: %s", parsetime_error);
return -1;
}
break;
case 'm':
im.xsize = atol(optarg);
if (im.xsize < 10) {
rrd_set_error("maxrows below 10 rows");
return -1;
}
break;
case 'd':
{
if (im.daemon_addr != NULL)
{
rrd_set_error ("You cannot specify --daemon "
"more than once.");
return (-1);
}
im.daemon_addr = strdup(optarg);
if (im.daemon_addr == NULL)
{
rrd_set_error("strdup error");
return -1;
}
break;
}
case '?':
rrd_set_error("unknown option '%s'", argv[optind - 1]);
return -1;
}
}
if (rrd_proc_start_end(&start_tv, &end_tv, &start_tmp, &end_tmp) == -1) {
return -1;
}
if (start_tmp < 3600 * 24 * 365 * 10) {
rrd_set_error("the first entry to fetch should be after 1980 (%ld)",
start_tmp);
return -1;
}
if (end_tmp < start_tmp) {
rrd_set_error("start (%ld) should be less than end (%ld)",
start_tmp, end_tmp);
return -1;
}
im.start = start_tmp;
im.end = end_tmp;
im.step = max((long) im.step, (im.end - im.start) / im.xsize);
rrd_graph_script(argc, argv, &im, 0);
if (rrd_test_error()) {
im_free(&im);
return -1;
}
if (im.gdes_c == 0) {
rrd_set_error("can't make an xport without contents");
im_free(&im);
return (-1);
}
{ /* try to connect to rrdcached */
int status = rrdc_connect(im.daemon_addr);
if (status != 0) return status;
}
if (rrd_xport_fn(&im, start, end, step, col_cnt, legend_v, data,0) == -1) {
im_free(&im);
return -1;
}
/* and create the export */
if (!xsize) {
int flags=0;
if (json) { flags|=1; }
if (enumds) { flags|=4; }
stringbuffer_t buffer={0,0,NULL,stdout};
rrd_xport_format_xmljson(flags,&buffer,&im,
*start, *end, *step,
*col_cnt, *legend_v,
*data);
}
im_free(&im);
return 0;
}
