/* prototypes for forward refernces */
static int handle_request_help (HANDLER_PROTO);
-/*
+/*
* Functions
*/
static void sig_common (const char *sig) /* {{{ */
field_size++;
buffer_pos++;
}
- /* Normal operation */
+ /* Normal operation */
else
{
field[field_size] = buffer[buffer_pos];
} /* }}} int handle_request_update */
-static int handle_request_fetch (HANDLER_PROTO) /* {{{ */
-{
- char *file, file_tmp[PATH_MAX];
+struct fetch_parsed{
+ char *file;
char *cf;
- char *start_str;
- char *end_str;
time_t start_tm;
time_t end_tm;
-
unsigned long step;
+
unsigned long ds_cnt;
char **ds_namv;
rrd_value_t *data;
- int status;
- unsigned long i;
+ unsigned long field_cnt;
+ unsigned int *field_idx;
+};
+
+static void free_fetch_parsed (struct fetch_parsed *parsed) /* {{{ */
+{
+ unsigned int i;
+ for (i = 0; i < parsed->ds_cnt; i++)
+ rrd_freemem(parsed->ds_namv[i]);
+ rrd_freemem(parsed->ds_namv);
+ rrd_freemem(parsed->data);
+}
+
+static int handle_request_fetch_parse (HANDLER_PROTO,
+ struct fetch_parsed *parsed) /* {{{ */
+{
+ char file_tmp[PATH_MAX];
+
+ char *start_str;
+ char *end_str;
+
time_t t;
- rrd_value_t *data_ptr;
+ int status;
- file = NULL;
- cf = NULL;
+ parsed->file = NULL;
+ parsed->cf = NULL;
start_str = NULL;
end_str = NULL;
/* Read the arguments */
do /* while (0) */
{
- status = buffer_get_field (&buffer, &buffer_size, &file);
+ status = buffer_get_field (&buffer, &buffer_size, &parsed->file);
if (status != 0)
break;
- status = buffer_get_field (&buffer, &buffer_size, &cf);
+ status = buffer_get_field (&buffer, &buffer_size, &parsed->cf);
if (status != 0)
break;
if (status != 0)
return (syntax_error(sock,cmd));
- get_abs_path(&file, file_tmp);
- if (!check_file_access(file, sock)) return 0;
+ get_abs_path(&parsed->file, file_tmp);
+ if (!check_file_access(parsed->file, sock)) return 0;
- status = flush_file (file);
+ status = flush_file (parsed->file);
if ((status != 0) && (status != ENOENT))
return (send_response (sock, RESP_ERR,
- "flush_file (%s) failed with status %i.\n", file, status));
+ "flush_file (%s) failed with status %i.\n", parsed->file, status));
t = time (NULL); /* "now" */
start_str));
if (value > 0)
- start_tm = (time_t) value;
+ parsed->start_tm = (time_t) value;
else
- start_tm = (time_t) (t + value);
+ parsed->start_tm = (time_t) (t + value);
}
else
{
- start_tm = t - 86400;
+ parsed->start_tm = t - 86400;
}
/* Parse end time */
end_str));
if (value > 0)
- end_tm = (time_t) value;
+ parsed->end_tm = (time_t) value;
else
- end_tm = (time_t) (t + value);
+ parsed->end_tm = (time_t) (t + value);
}
else
{
- end_tm = t;
+ parsed->end_tm = t;
}
- step = -1;
- ds_cnt = 0;
- ds_namv = NULL;
- data = NULL;
+ parsed->step = -1;
+ parsed->ds_cnt = 0;
+ parsed->ds_namv = NULL;
+ parsed->data = NULL;
- status = rrd_fetch_r (file, cf, &start_tm, &end_tm, &step,
- &ds_cnt, &ds_namv, &data);
+ status = rrd_fetch_r (parsed->file, parsed->cf,
+ &parsed->start_tm, &parsed->end_tm, &parsed->step,
+ &parsed->ds_cnt, &parsed->ds_namv, &parsed->data);
if (status != 0)
return (send_response(sock, RESP_ERR,
"rrd_fetch_r failed: %s\n", rrd_get_error ()));
- add_response_info (sock, "FlushVersion: %lu\n", 1);
- add_response_info (sock, "Start: %lu\n", (unsigned long) start_tm);
- add_response_info (sock, "End: %lu\n", (unsigned long) end_tm);
- add_response_info (sock, "Step: %lu\n", step);
- add_response_info (sock, "DSCount: %lu\n", ds_cnt);
+ /* prepare field index */
+ {
+ unsigned int i;
+ char *field;
+
+ parsed->field_cnt = 0;
+ parsed->field_idx = malloc(sizeof(*parsed->field_idx)*parsed->ds_cnt);
+
+ /* now parse the extra names */
+ while ( buffer_get_field (&buffer, &buffer_size, &field) == 0 ) {
+ /* check boundries */
+ if (parsed->field_cnt >= parsed->ds_cnt) {
+ free_fetch_parsed(parsed);
+ return (send_response(sock, RESP_ERR,
+ "too many fields given - duplicates!\n"
+ ));
+ }
+ /* try to find the string */
+ unsigned int found=parsed->ds_cnt;
+ for(i=0; i < parsed->ds_cnt; i++) {
+ if (strcmp(field,parsed->ds_namv[i])==0) {
+ found=i;
+ break;
+ }
+ }
+ if (found >= parsed->ds_cnt) {
+ free_fetch_parsed(parsed);
+ return (send_response(sock, RESP_ERR,
+ "field %s not found in %s\n",
+ field,parsed->file));
+ }
+ for(i=0; i < parsed->field_cnt; i++) {
+ if (parsed->field_idx[i] == found) {
+ free_fetch_parsed(parsed);
+ return (send_response(sock, RESP_ERR,
+ "field %s already used\n",
+ field
+ ));
+ }
+ }
+ parsed->field_idx[parsed->field_cnt++]=found;
+ }
+ if (parsed->field_cnt == 0) {
+ parsed->field_cnt = parsed->ds_cnt;
+ for(i=0; i < parsed->field_cnt; i++) {
+ parsed->field_idx[i] = i;
+ }
+ }
+ }
+ return 0;
+}
#define SSTRCAT(buffer,str,buffer_fill) do { \
size_t str_len = strlen (str); \
} \
} while (0)
+static int handle_request_fetch (HANDLER_PROTO) /* {{{ */
+{
+ unsigned long i,j;
+
+ time_t t;
+ int status;
+
+ struct fetch_parsed parsed;
+
+ status = handle_request_fetch_parse (cmd, sock, now,
+ buffer, buffer_size,
+ &parsed);
+ if (status != 0)
+ return status;
+
+ add_response_info (sock, "FlushVersion: %lu\n", 1);
+ add_response_info (sock, "Start: %lu\n", (unsigned long) parsed.start_tm);
+ add_response_info (sock, "End: %lu\n", (unsigned long) parsed.end_tm);
+ add_response_info (sock, "Step: %lu\n", parsed.step);
+
{ /* Add list of DS names */
char linebuf[1024];
size_t linebuf_fill;
memset (linebuf, 0, sizeof (linebuf));
linebuf_fill = 0;
- for (i = 0; i < ds_cnt; i++)
+ for (i = 0; i < parsed.field_cnt; i++)
{
if (i > 0)
SSTRCAT (linebuf, " ", linebuf_fill);
- SSTRCAT (linebuf, ds_namv[i], linebuf_fill);
- rrd_freemem(ds_namv[i]);
+ SSTRCAT (linebuf, parsed.ds_namv[parsed.field_idx[i]], linebuf_fill);
}
- rrd_freemem(ds_namv);
+ add_response_info (sock, "DSCount: %lu\n", parsed.field_cnt);
add_response_info (sock, "DSName: %s\n", linebuf);
}
/* Add the actual data */
- assert (step > 0);
- data_ptr = data;
- for (t = start_tm + step; t <= end_tm; t += step)
+ assert (parsed.step > 0);
+ for (t = parsed.start_tm + parsed.step, j=0;
+ t <= parsed.end_tm;
+ t += parsed.step,j++)
{
char linebuf[1024];
size_t linebuf_fill;
memset (linebuf, 0, sizeof (linebuf));
linebuf_fill = 0;
- for (i = 0; i < ds_cnt; i++)
+ for (i = 0; i < parsed.field_cnt; i++)
{
- snprintf (tmp, sizeof (tmp), " %0.17e", *data_ptr);
+ unsigned int idx = j*parsed.ds_cnt+parsed.field_idx[i];
+ snprintf (tmp, sizeof (tmp), " %0.17e", parsed.data[idx]);
tmp[sizeof (tmp) - 1] = 0;
SSTRCAT (linebuf, tmp, linebuf_fill);
-
- data_ptr++;
}
add_response_info (sock, "%10lu:%s\n", (unsigned long) t, linebuf);
} /* for (t) */
- rrd_freemem(data);
+ free_fetch_parsed(&parsed);
return (send_response (sock, RESP_OK, "Success\n"));
-#undef SSTRCAT
} /* }}} int handle_request_fetch */
+static int handle_request_fetchbin (HANDLER_PROTO) /* {{{ */
+{
+ return handle_request_fetch(cmd,sock,now,buffer,buffer_size);
+} /* }}} int handle_request_fetchbin */
+
+#undef SSTRCAT
+
/* we came across a "WROTE" entry during journal replay.
* throw away any values that we have accumulated for this file
*/
if (status != 0)
return syntax_error(sock,cmd);
idx = atoi(i);
- if(idx<0) {
+ if(idx<0) {
return send_response(sock, RESP_ERR, "Invalid index specified (%d)\n", idx);
}
time_t t, from_file, step;
rrd_file_t * rrd_file;
cache_item_t * ci;
- rrd_t rrd;
+ rrd_t rrd;
/* obtain filename */
status = buffer_get_field(&buffer, &buffer_size, &file);
}
if( ! strncmp(tok,"-s",2) ) {
status = buffer_get_field(&buffer, &buffer_size, &tok );
- if (status != 0) {
+ if (status != 0) {
rc = syntax_error(sock,cmd);
goto done;
}
rc = send_response(sock, RESP_ERR, "Cannot allocate memory\n");
goto done;
}
-
+
flush_file(tok);
sources[sources_length++] = tok;
"FETCH",
handle_request_fetch,
CMD_CONTEXT_CLIENT,
- "FETCH <file> <CF> [<start> [<end>]]\n"
+ "FETCH <file> <CF> [<start> [<end>] [<column>...]]\n"
,
"The 'FETCH' can be used by the client to retrieve values from an RRD file.\n"
},
+ {
+ "FETCHBIN",
+ handle_request_fetchbin,
+ CMD_CONTEXT_CLIENT,
+ "FETCHBIN <file> <CF> [<start> [<end>] [<column>...]]\n"
+ ,
+ "The 'FETCHBIN' can be used by the client to retrieve values from an RRD file.\n"
+ },
{
"INFO",
handle_request_info,
listen_fds[listen_fds_num].family = sa.sun_family;
listen_fds_num++;
}
-
+
return n;
} /* }}} open_listen_sockets_systemd */
if (pid_fd < 0)
return pid_fd;
- /* gather sockets passed from systemd;
- * if none, open all the listen sockets from config or default */
+ /* gather sockets passed from systemd;
+ * if none, open all the listen sockets from config or default */
if (!(open_listen_sockets_systemd() > 0))
open_listen_sockets_traditional();
{
// if we were able to properly resolve the path, lets have a copy
// for use outside this block.
- journal_dir = strdup(journal_dir);
+ journal_dir = strdup(journal_dir);
status = rrd_mkdir_p(journal_dir, 0777);
if (status != 0)
{