23 #include "rrd_thread.h"
25 #include <core/exceptions/system.h>
26 #include <core/threading/scoped_rwlock.h>
27 #include <utils/misc/string_conversions.h>
28 #include <utils/system/file.h>
51 rrd_aspect_inifin_(this)
64 cfg_graph_interval_ = 30.;
93 std::vector<fawkes::RRDGraphDefinition *>::iterator g;
94 for (g = graphs_.begin(); g != graphs_.end(); ++g) {
96 const char **argv = (*g)->get_argv(argc);
104 rrd_info_t *i = rrd_graph_v(argc, (
char **)argv);
106 throw Exception(
"Creating graph %s (for RRD %s) failed: %s",
108 (*g)->get_rrd_def()->get_name(),
120 if (asprintf(&filename,
"%s/%s.rrd",
".", rrd_def->
get_name()) == -1) {
127 std::string size_s = StringConversions::to_string(rrd_def->
get_step_sec());
131 size_t rrd_argc = 6 + rrd_def->
get_ds().size() + rrd_def->
get_rra().size();
132 const char *rrd_argv[rrd_argc];
134 rrd_argv[i++] =
"create";
136 rrd_argv[i++] =
"--step";
137 rrd_argv[i++] = size_s.c_str();
138 rrd_argv[i++] =
"--start";
141 std::vector<RRDDataSource>::const_iterator d;
142 for (d = rrd_def->
get_ds().begin(); d != rrd_def->
get_ds().end() && i < rrd_argc; ++d) {
143 rrd_argv[i++] = d->to_string();
146 std::vector<RRDArchive>::const_iterator a;
147 for (a = rrd_def->
get_rra().begin(); a != rrd_def->
get_rra().end() && i < rrd_argc; ++a) {
148 rrd_argv[i++] = a->to_string();
158 if (rrd_create(i, (
char **)rrd_argv) == -1) {
159 throw Exception(
"Creating RRD %s failed: %s", rrd_def->
get_name(), rrd_get_error());
165 for (r = rrds_.begin(); r != rrds_.end(); ++r) {
166 if (strcmp((*r)->get_name(), rrd_def->
get_name()) == 0) {
167 throw Exception(
"RRD with name %s has already been registered", rrd_def->
get_name());
172 rrds_.push_back(rrd_def);
180 for (r = rrds_.begin(); r != rrds_.end(); ++r) {
181 if (strcmp((*r)->get_name(), rrd_def->
get_name()) == 0) {
188 bool graphs_modified =
false;
190 graphs_modified =
false;
192 for (g = graphs_.begin(); g != graphs_.end(); ++g) {
193 if (strcmp((*g)->get_rrd_def()->get_name(), rrd_def->
get_name()) == 0) {
195 graphs_modified =
true;
199 }
while (graphs_modified);
207 if (asprintf(&filename,
"%s/%s.png",
".", rrd_graph_def->
get_name()) == -1) {
215 for (g = graphs_.begin(); g != graphs_.end(); ++g) {
216 if (strcmp((*g)->get_name(), rrd_graph_def->
get_name()) == 0) {
217 throw Exception(
"RRD graph with name %s has already been registered",
221 graphs_.push_back(rrd_graph_def);
229 std::vector<RRDDefinition *>::const_iterator d;
230 for (d = rrds_.begin(); d != rrds_.end(); ++d) {
232 if (strcmp(rrd_name, rrd_def->
get_name()) == 0) {
235 va_start(arg, format);
236 if (vasprintf(&data, format, arg) == -1) {
244 const char *rrd_argv[rrd_argc];
246 rrd_argv[i++] =
"update";
248 rrd_argv[i++] = data;
256 if (rrd_update(i, (
char **)rrd_argv) == -1) {
258 throw Exception(
"Failed to update RRD %s: %s", rrd_name, rrd_get_error());
266 throw Exception(
"No RRD named %s registered", rrd_name);