int update_rrd(char* file, long int last_up, data_t* dt)
{
if ( dt )
{
char data[256];
update_params[1] = file;
sprintf(data, "%ld:%u:%u:%u:%u:%u:%u",
last_up,
dt->bytes,
dt->ip_v4_bytes,
dt->not_ip_bytes,
dt->tcp_bytes,
dt->udp_bytes,
dt->other_bytes);
update_params[2] = data;
if (rrd_update(3, update_params))
{
fprintf(stderr, "rrd update failed: %s\n", rrd_get_error());
rrd_clear_error();
}
else
printf("%s updated!\n", file);
bzero(dt, sizeof(data_t));
}
else
fprintf(stderr, "\nerror\n");
return 0;
}
int create_rrd(char* file)
{
struct stat st;
if (file)
{
if (stat(file, &st))
{ /* stats fails*/
if (errno != ENOENT)
{ /* error occurred */
perror(file);
return -1;
}
}
/* file exists */
create_args[3] = file;
if (rrd_create(CREATE_ARGS, create_args))
{
fprintf(stderr, "unable to create file: %s\n", file);
fprintf(stderr, "%s\n", rrd_get_error());
rrd_clear_error();
return -1;
}
printf("file %s created\n", file);
}
return 0;
}
Full documentation can be found at (graphv section):\n\
http://oss.oetiker.ch/rrdtool/doc/rrdgraph.en.html";
static PyObject *
_rrdtool_graphv(PyObject *Py_UNUSED(self), PyObject *args)
{
PyObject *ret;
rrd_info_t *data;
if (convert_args("graphv", args) == -1)
return NULL;
Py_BEGIN_ALLOW_THREADS
data = rrd_graph_v(rrdtool_argc, rrdtool_argv);
Py_END_ALLOW_THREADS
if (data == NULL) {
PyErr_SetString(rrdtool_OperationalError, rrd_get_error());
rrd_clear_error();
ret = NULL;
} else {
ret = _rrdtool_util_info2dict(data);
rrd_info_free(data);
}
destroy_args();
return ret;
}
char *drawgraph(
long argc,
const char **args)
{
int i, xsize, ysize;
double ymin, ymax;
for (i = 0; i < argc; i++)
if (strcmp(args[i], "--imginfo") == 0 || strcmp(args[i], "-g") == 0)
break;
if (i == argc) {
args[argc++] = "--imginfo";
args[argc++] = "<IMG SRC=\"./%s\" WIDTH=\"%lu\" HEIGHT=\"%lu\">";
}
calfree();
if (rrd_graph
(argc + 1, (char **) args - 1, &calcpr, &xsize, &ysize, NULL, &ymin,
&ymax) != -1) {
return stralloc(calcpr[0]);
} else {
if (rrd_test_error()) {
const size_t len = strlen(rrd_get_error()) + DS_NAM_SIZE;
char *err = malloc(len);
snprintf(err, len, "[ERROR: %s]", rrd_get_error());
rrd_clear_error();
return err;
}
}
return NULL;
}
static int rrd_common_call (lua_State *L, const char *cmd,
RRD_FUNCTION rrd_function) {
char **argv;
int argc = lua_gettop(L) + 1;
if(ntop->getGlobals()->isShutdown()) return(CONST_LUA_PARAM_ERROR);
ntop->rrdLock(__FILE__, __LINE__);
rrd_clear_error();
argv = make_argv(cmd, L);
reset_rrd_state();
rrd_function(argc, argv);
free(argv);
if(rrd_test_error()) {
char *err = rrd_get_error();
if(err != NULL) {
/*
IMPORTANT
It is important to unlock now as if luaL_error is called the
function returns and no unlock will take place
*/
ntop->rrdUnlock(__FILE__, __LINE__);
luaL_error(L, err);
}
}
ntop->rrdUnlock(__FILE__, __LINE__);
return 0;
}
/**
* \brief Update RRD stats file
*
* \param[in] stats Stats data
* \param[in] templ RRD template
*/
void stats_update(stats_data *stats, std::string templ)
{
std::vector<std::string> argv;
/* Set RRD file */
argv.push_back("update");
argv.push_back(stats->file);
/* Set template */
argv.push_back("--template");
argv.push_back(templ);
/* Add counters */
argv.push_back(stats_counters_to_string(stats->last, stats->fields));
/* Create C style argv */
const char **c_argv = new const char*[argv.size()];
for (u_int16_t i = 0; i < argv.size(); ++i) {
c_argv[i] = argv[i].c_str();
}
/* Update database */
if (rrd_update(argv.size(), (char **) c_argv)) {
MSG_ERROR(msg_module, "RRD Insert Error: %s", rrd_get_error());
rrd_clear_error();
}
delete c_argv;
}
void temperhum_rrd_update(char *fname, time_t tv_sec, struct sht1x_readings readings) {
char update[4096];
char buf[512];
const char *args[1];
args[0] = update;
snprintf(update, 4096, "%llu", (unsigned long long)tv_sec);
if (isnan(readings.temperature_celsius))
strcat(update, ":U");
else {
snprintf(buf, 512, ":%.2f", readings.temperature_celsius);
strcat(update, buf);
}
if (isnan(readings.relative_humidity))
strcat(update, ":U");
else {
snprintf(buf, 512, ":%.2f", readings.relative_humidity);
strcat(update, buf);
}
if (isnan(readings.dew_point))
strcat(update, ":U");
else {
snprintf(buf, 512, ":%.2f", readings.dew_point);
strcat(update, buf);
}
rrd_clear_error();
if (rrd_update_r(fname, "tc:rh:dp", 1, args) != 0)
fprintf(stderr, "%s: (%s) %s\n", fname, args[0], rrd_get_error());
}
char *printtimelast(
long argc,
const char **args)
{
time_t last;
struct tm tm_last;
char *buf;
if (argc == 2) {
buf = malloc(255);
if (buf == NULL) {
return stralloc("[ERROR: allocating strftime buffer]");
};
/* not raising argc in step with args - 1 since the last argument
will be used below for strftime */
last = rrd_last(argc, (char **) args - 1);
if (rrd_test_error()) {
const size_t len = strlen(rrd_get_error()) + DS_NAM_SIZE;
char *err = malloc(len);
snprintf(err, len, "[ERROR: %s]", rrd_get_error());
rrd_clear_error();
return err;
}
tm_last = *localtime(&last);
strftime(buf, 254, args[1], &tm_last);
return buf;
}
return stralloc("[ERROR: expected <RRD::TIME::LAST file.rrd strftime-format>]");
}
/* convenience function; if there is a daemon specified, or if we can
* detect one from the environment, then flush the file. Otherwise, no-op
*/
int rrdc_flush_if_daemon (const char *opt_daemon, const char *filename) /* {{{ */
{
int status = 0;
rrdc_connect(opt_daemon);
if (rrdc_is_connected(opt_daemon))
{
rrd_clear_error();
status = rrdc_flush (filename);
if (status != 0 && !rrd_test_error())
{
if (status > 0)
{
rrd_set_error("rrdc_flush (%s) failed: %s",
filename, rrd_strerror(status));
}
else if (status < 0)
{
rrd_set_error("rrdc_flush (%s) failed with status %i.",
filename, status);
}
}
} /* if (rrdc_is_connected(..)) */
return status;
} /* }}} int rrdc_flush_if_daemon */
char* printtimelast(long argc, const char **args) {
time_t last;
struct tm tm_last;
char *buf;
if ( argc == 2 ) {
buf = malloc(255);
if (buf == NULL){
return stralloc("[ERROR: allocating strftime buffer]");
};
last = rrd_last(argc+1, (char **) args-1);
if (rrd_test_error()) {
char *err = malloc((strlen(rrd_get_error())+DS_NAM_SIZE)*sizeof(char));
sprintf(err, "[ERROR: %s]",rrd_get_error());
rrd_clear_error();
return err;
}
tm_last = *localtime(&last);
strftime(buf,254,args[1],&tm_last);
return buf;
}
if ( argc < 2 ) {
return stralloc("[ERROR: too few arguments for RRD::TIME::LAST]");
}
return stralloc("[ERROR: not enough arguments for RRD::TIME::LAST]");
}
static PyObject *
_rrdtool_updatev(PyObject *Py_UNUSED(self), PyObject *args)
{
PyObject *ret;
rrd_info_t *data;
if (convert_args("updatev", args) == -1)
return NULL;
Py_BEGIN_ALLOW_THREADS
data = rrd_update_v(rrdtool_argc, rrdtool_argv);
Py_END_ALLOW_THREADS
if (data == NULL) {
PyErr_SetString(rrdtool_OperationalError, rrd_get_error());
rrd_clear_error();
ret = NULL;
} else {
ret = _rrdtool_util_info2dict(data);
rrd_info_free(data);
}
destroy_args();
return ret;
}
void
rrdtool_create_command (const char *name, const char *what)
{
// rrd_create needs the time of the first entry, so it
// called at the time of the first update; therefore, we
// need to backup the original rrd entry -- in order not
// overwrite the update command contained in rrd.cmd
rrd_struct temp_rrd = rrd;
if (RRD_DEBUG)
fprintf (fp_stderr, "rrdtool: create(%s,%s)\n", name, what);
#ifdef RRD_TREE
sprintf (temp_rrd.file, "%s/%s", rrd.conf.path, name, what);
struct stat fbuf;
if (!((stat (temp_rrd.file, &fbuf) == 0) && S_ISDIR (fbuf.st_mode)))
{
mkdir (temp_rrd.file, 0775);
if (debug > 1)
fprintf (fp_stderr, "RRDtool database path <%s> created\n",
temp_rrd.file);
}
sprintf (temp_rrd.file, "%s/%s/%s.rrd", rrd.conf.path, name, what);
#else
sprintf (temp_rrd.file, "%s/%s.%s.rrd", rrd.conf.path, name, what);
#endif
rrd.time_update = (unsigned long) current_time.tv_sec;
if (stat (temp_rrd.file, &temp_rrd.fbuf) == 0)
{
if (debug > 1)
fprintf (fp_stderr, "rrdtool: skip create <%s> ... already existent\n",
temp_rrd.file);
return; /* already called ? */
}
/* MTRG-like behavior for on-line usage */
sprintf (temp_rrd.cmd,
"create %s --step %lu --start %ld DS:%s:GAUGE:%lu:U:U %s %s %s %s",
temp_rrd.file, (unsigned long) (GLOBALS.Max_Time_Step / 1000000),
(long) rrd.time_update - 10, name, (unsigned long) (GLOBALS.Max_Time_Step / 500000),
RRA_DAILY, RRA_WEEKLY, RRA_MONTHLY, RRA_YEARLY);
if (debug > 1)
fprintf (fp_stderr, "rrdtool: rrd_create('%s')\n", temp_rrd.cmd);
optind = 0;
opterr = 0;
rrdtool_str2argv (temp_rrd.cmd);
rrd_create (rrd.argc, rrd.argv);
if (rrd_test_error ())
{
fprintf (fp_stderr, "rrdtool: create command:\n%s\n", temp_rrd.cmd);
fprintf (fp_stderr, "rrdtool: create error!\n%s\n", rrd_get_error ());
if (temp_rrd.fatal)
exit (1);
rrd_clear_error ();
}
}
static void throwException
(JNIEnv *env, char *exception, char *msg) {
int rc = (*env)->ThrowNew(env, (*env)->FindClass(env, exception), msg);
if(rc < 0) /* couldn't find exception class */
(*env)->ThrowNew(env, (*env)->FindClass(env, "java/lang/Exception"), msg);
rrd_clear_error();
}
int main(int argc, char *argv[])
{
char *rrdargs[] = {
"rrdgraph",
"bbgen.png",
"-s", "e - 48d",
"--title", "bbgen runtime last 48 days",
"-w576",
"-v", "Seconds",
"-a", "PNG",
"DEF:rt=bbgen.rrd:runtime:AVERAGE",
"AREA:rt#00CCCC:Run Time",
"COMMENT: Timestamp",
NULL
};
char **calcpr=NULL;
int pcount, result, xsize, ysize;
double ymin, ymax;
for (pcount = 0; (rrdargs[pcount]); pcount++);
rrd_clear_error();
#ifdef RRDTOOL12
result = rrd_graph(pcount, rrdargs, &calcpr, &xsize, &ysize, NULL, &ymin, &ymax);
#else
result = rrd_graph(pcount, rrdargs, &calcpr, &xsize, &ysize);
#endif
return 0;
}
static int
RRD_update( char *rrd, const char *sum, const char *num, unsigned int process_time )
{
char *argv[3];
int argc = 3;
char val[128];
/* If we are a host RRD, we "sum" over only one host. */
if (num)
sprintf(val, "%d:%s:%s", process_time, sum, num);
else
sprintf(val, "%d:%s", process_time, sum);
argv[0] = "dummy";
argv[1] = rrd;
argv[2] = val;
pthread_mutex_lock( &rrd_mutex );
optind=0;
opterr=0;
rrd_clear_error();
rrd_update(argc, argv);
if(rrd_test_error())
{
err_msg("RRD_update (%s): %s", rrd, rrd_get_error());
pthread_mutex_unlock( &rrd_mutex );
return 0;
}
/* debug_msg("Updated rrd %s with value %s", rrd, val); */
pthread_mutex_unlock( &rrd_mutex );
return 0;
}
void reset_rrd_state(
)
{
optind = 0;
opterr = 0;
rrd_clear_error();
}
static int srrd_create(const char *filename, /* {{{ */
unsigned long pdp_step, time_t last_up, int argc,
const char **argv) {
int status;
char *filename_copy;
if ((filename == NULL) || (argv == NULL))
return -EINVAL;
/* Some versions of librrd don't have the `const' qualifier for the first
* argument, so we have to copy the pointer here to avoid warnings. It sucks,
* but what else can we do? :( -octo */
filename_copy = strdup(filename);
if (filename_copy == NULL) {
ERROR("srrd_create: strdup failed.");
return -ENOMEM;
}
optind = 0; /* bug in librrd? */
rrd_clear_error();
status = rrd_create_r(filename_copy, pdp_step, last_up, argc, (void *)argv);
if (status != 0) {
P_WARNING("srrd_create: rrd_create_r (%s) failed: %s", filename,
rrd_get_error());
}
sfree(filename_copy);
return status;
} /* }}} int srrd_create */
/**
* @brief 创建RRD数据库
* @param rrd_file rrd数据库路径
* @param summary 标志位是否summary
* @param step 步长
* @return 成功返回0，失败返回-1
*/
int c_rrd_handler::RRD_create(const char *rrd_file, bool summary, unsigned int step)
{
/* Warning: RRD_create will overwrite a RRD if it already exists */
int argc = 0;
const char *argv[128] = {NULL};
const char *data_source_type = "GAUGE";
int heartbeat = 30;
char sstep[16] = {'\0'};
char sstart[64] = {'\0'};
char ssum[64] = {'\0'};
char snum[64] = {'\0'};
/* Our heartbeat is twice the step interval. */
heartbeat = 2 * step;
argv[argc++] = "dummy";
argv[argc++] = rrd_file;
argv[argc++] = "--step";
sprintf(sstep, "%u", step);
argv[argc++] = sstep;
argv[argc++] = "--start";
sprintf(sstart, "%lu", time(NULL) - 1);
argv[argc++] = sstart;
sprintf(ssum, "DS:sum:%s:%d:U:U", data_source_type, heartbeat);
argv[argc++] = ssum;
if(summary)
{
sprintf(snum, "DS:num:%s:%d:U:U", data_source_type, heartbeat);
argv[argc++] = snum;
}
if (g_is_switch_rrd)
{
GEN_SWITCH_RRA(argc, argv);
}
else
{
GEN_SERVER_RRA(argc, argv);
}
optind = 0;
optopt = 0;
opterr = 0;
optarg = NULL;
rrd_clear_error();
rrd_create(argc, (char**)argv);
if(rrd_test_error())
{
ERROR_LOG("RRD_create error: %s", rrd_get_error());
return -1;
}
DEBUG_LOG("CREATE RRD[%s]", rrd_file);
return 0;
}
void * call_rrd_update(void*arg){
char buffer [2000];
int i = 0;
time_t t;
srand((unsigned) time(&t));
/* Set Cpu and I/O low priority
struct sched_param sc_par;
sc_par.sched_priority = 0;
pthread_setschedparam(pthread_self(), SCHED_OTHER, &sc_par);
setpriority(PRIO_PROCESS, 0, 19);
syscall(SYS_ioprio_set,1, 0, (2<< 13)| 7);*/
/* Open pipe as a stream */
FILE * buffer_pipe = fdopen(command_pipe[0], "r");
rrd_clear_error ();
/* Infinite loop on pipe */
while(1){
usleep(10000);
fgets(buffer,2000,buffer_pipe);
/* Replace \n with \0 */
buffer[strlen(buffer)-1]= '\0';
/* Execute update */
rrdtool_str2argv(buffer);
optind = 0;
opterr = 0;
rrd_update (rrd.argc, rrd.argv);
//if (i++%1000 == 0)printf("RRD\n");
/* Check errors */
if (rrd_test_error ())
{
fprintf (fp_stderr, "rrdtool: update command:\n'%s'\n", buffer);
fprintf (fp_stderr, "rrdtool: update error!\n%s\n", rrd_get_error ());
if (rrd.fatal)
exit (1);
rrd_clear_error ();
}
}
return NULL;
}
/*
* Handles the GET requests by getting RRD to graph and sending the result
* as an HTTP response.
*/
static ngx_int_t ngx_http_rrd_show_graph(ngx_http_request_t *r)
{
ngx_log_t* log = r->connection->log;
ngx_http_rrd_loc_conf_t *rrd_conf;
rrd_conf = ngx_http_get_module_loc_conf(r, ngx_http_rrd_module);
/* Prepare args for rrdgraph */
int rrd_argc = -1;
char** rrd_arg = ngx_http_rrd_create_graph_arg(&rrd_argc, r,
rrd_conf->db_name_cstyle);
if (NULL == rrd_arg) {
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
rrd_clear_error();
rrd_info_t* const rrd_graph_info = rrd_graph_v(rrd_argc, rrd_arg);
ngx_log_debug(NGX_LOG_DEBUG_HTTP, log, 0,
"rrd_graph (%s, %s, %s, %s) returned %p.",
rrd_arg[0], rrd_arg[1], rrd_arg[2], rrd_arg[3],
rrd_graph_info);
if (NULL == rrd_graph_info) {
ngx_http_rrd_free_graph_arg(r->pool, rrd_argc, rrd_arg);
return ngx_http_rrd_outprintf(r, NGX_HTTP_INTERNAL_SERVER_ERROR,
"Error graphing DB %s: %s", rrd_conf->db_name_cstyle,
rrd_get_error());
}
rrd_info_t* it;
u_char* image_data = NULL;
size_t image_size = 0;
for(it = rrd_graph_info; NULL == image_data && it != NULL; it = it->next) {
if (it->key != NULL
&& ngx_strncmp(it->key, "image", sizeof("image")) == 0) {
image_data = it->value.u_blo.ptr;
image_size = it->value.u_blo.size;
}
}
if (NULL == image_data) {
ngx_http_rrd_free_graph_arg(r->pool, rrd_argc, rrd_arg);
rrd_info_free(rrd_graph_info);
return ngx_http_rrd_outprintf(r, NGX_HTTP_INTERNAL_SERVER_ERROR,
"No image returned graphing DB %s.",
rrd_conf->db_name_cstyle);
}
ngx_chain_t* out_chain = ngx_http_rrd_get_picture_outchain(r->pool,
image_data, image_size);
if (NULL == out_chain) {
ngx_http_rrd_free_graph_arg(r->pool, rrd_argc, rrd_arg);
rrd_info_free(rrd_graph_info);
return ngx_http_rrd_outprintf(r, NGX_HTTP_INTERNAL_SERVER_ERROR,
"Problem returning image for DB %s.",
rrd_conf->db_name_cstyle);
}
ngx_http_rrd_free_graph_arg(r->pool, rrd_argc, rrd_arg);
rrd_info_free(rrd_graph_info);
return ngx_http_rrd_png_file_200(r, out_chain);
}
int rrdc_connect (const char *addr) /* {{{ */
{
int status = 0;
if (addr == NULL) {
addr = getenv (ENV_RRDCACHED_ADDRESS);
}
if (addr == NULL || strcmp(addr,"") == 0 ) {
addr = NULL;
return 0;
}
pthread_mutex_lock(&lock);
if (sd >= 0 && sd_path != NULL && strcmp(addr, sd_path) == 0)
{
/* connection to the same daemon; use cached connection */
pthread_mutex_unlock (&lock);
return (0);
}
else
{
close_connection();
}
rrd_clear_error ();
if (strncmp ("unix:", addr, strlen ("unix:")) == 0)
status = rrdc_connect_unix (addr + strlen ("unix:"));
else if (addr[0] == '/')
status = rrdc_connect_unix (addr);
else
status = rrdc_connect_network(addr);
if (status == 0 && sd >= 0)
sd_path = strdup(addr);
else
{
char *err = rrd_test_error () ? rrd_get_error () : "Internal error";
/* err points the string that gets written to by rrd_set_error(), thus we
* cannot pass it to that function */
err = strdup (err);
rrd_set_error("Unable to connect to rrdcached: %s",
(status < 0)
? (err ? err : "Internal error")
: rrd_strerror (status));
if (err != NULL)
free (err);
}
pthread_mutex_unlock (&lock);
return (status);
} /* }}} int rrdc_connect */
/* #endif HAVE_THREADSAFE_LIBRRD */
#else /* !HAVE_THREADSAFE_LIBRRD */
static int srrd_create (const char *filename, /* {{{ */
unsigned long pdp_step, time_t last_up,
int argc, const char **argv)
{
int status;
int new_argc;
char **new_argv;
char pdp_step_str[16];
char last_up_str[16];
new_argc = 6 + argc;
new_argv = (char **) malloc ((new_argc + 1) * sizeof (char *));
if (new_argv == NULL)
{
ERROR ("rrdtool plugin: malloc failed.");
return (-1);
}
if (last_up == 0)
last_up = time (NULL) - 10;
ssnprintf (pdp_step_str, sizeof (pdp_step_str), "%lu", pdp_step);
ssnprintf (last_up_str, sizeof (last_up_str), "%u", (unsigned int) last_up);
new_argv[0] = "create";
new_argv[1] = (void *) filename;
new_argv[2] = "-s";
new_argv[3] = pdp_step_str;
new_argv[4] = "-b";
new_argv[5] = last_up_str;
memcpy (new_argv + 6, argv, argc * sizeof (char *));
new_argv[new_argc] = NULL;
pthread_mutex_lock (&librrd_lock);
optind = 0; /* bug in librrd? */
rrd_clear_error ();
status = rrd_create (new_argc, new_argv);
pthread_mutex_unlock (&librrd_lock);
if (status != 0)
{
WARNING ("rrdtool plugin: rrd_create (%s) failed: %s",
filename, rrd_get_error ());
}
sfree (new_argv);
return (status);
} /* }}} int srrd_create */
int main(
int argc,
char **argv)
{
char *name=basename(argv[0]);
rrd_info_t *info;
if (!strcmp(name, "rrdcreate")) {
rrd_create(argc, argv);
}
else if (!strcmp(name, "rrdinfo")) {
info=rrd_info(argc, argv);
rrd_info_print(info);
rrd_info_free(info);
}
else {
rrd_update(argc, argv);
}
if (rrd_test_error()) {
printf("RRDtool " PACKAGE_VERSION
" Copyright by Tobi Oetiker, 1997-2010\n\n");
if (!strcmp(name, "rrdcreate")) {
printf("Usage: rrdcreate <filename>\n"
"\t\t\t[--start|-b start time]\n"
"\t\t\t[--step|-s step]\n"
"\t\t\t[--no-overwrite]\n"
"\t\t\t[DS:ds-name:DST:dst arguments]\n"
"\t\t\t[RRA:CF:cf arguments]\n\n");
}
else if (!strcmp(name, "rrdinfo")) {
printf("Usage: rrdinfo <filename>\n");
}
else {
printf("Usage: rrdupdate <filename>\n"
"\t\t\t[--template|-t ds-name[:ds-name]...]\n"
"\t\t\t[--skip-past-updates]\n"
"\t\t\ttime|N:value[:value...]\n\n"
"\t\t\tat-time@value[:value...]\n\n"
"\t\t\t[ time:value[:value...] ..]\n\n");
}
printf("ERROR: %s\n", rrd_get_error());
rrd_clear_error();
return 1;
}
return 0;
}
void
rrdtool_update_command (const char *name, const char *what, double val)
{
if (RRD_DEBUG)
fprintf (fp_stderr, "rrdtool: update(%s,%s,%f)\n", name, what, val);
#ifdef RRD_TREE
sprintf (rrd.file, "%s/%s/%s.rrd", rrd.conf.path, name, what);
#else
sprintf (rrd.file, "%s/%s.%s.rrd", rrd.conf.path, name, what);
#endif
/* at the first call of this function, all the needed rrd
files are created with the start time set appropriately */
if (stat (rrd.file, &rrd.fbuf) == -1)
rrdtool_create_all ();
if (rrd.time_update == 0)
rrd.time_update = (unsigned long) current_time.tv_sec;
#ifdef RRD_THREADED
sprintf (rrd.cmd, "update %s %ld:%f\n", rrd.file, rrd.time_update, val);
if (RRD_DEBUG)
fprintf (fp_stderr, "rrdtool: rrd_update('%s')\n", rrd.cmd);
write (command_pipe[1],rrd.cmd, strlen(rrd.cmd) );
#else
sprintf (rrd.cmd, "update %s %ld:%f", rrd.file, rrd.time_update, val);
if (RRD_DEBUG)
fprintf (fp_stderr, "rrdtool: rrd_update('%s')\n", rrd.cmd);
optind = 0;
opterr = 0;
rrdtool_str2argv (rrd.cmd);
rrd_update (rrd.argc, rrd.argv);
if (rrd_test_error ())
{
fprintf (fp_stderr, "rrdtool: update command:\n%s\n", rrd.cmd);
fprintf (fp_stderr, "rrdtool: update error!\n%s\n", rrd_get_error ());
if (rrd.fatal)
exit (1);
rrd_clear_error ();
}
#endif
}
static PyObject * _RRD_call(PyObject *self, PyObject *args) {
char **argv;
int argc, rc;
argv = parse_args(args, &argc);
if (!argv)
return NULL;
if (!strcmp("create", argv[0]))
rc = rrd_create(argc, argv);
else if (!strcmp("update", argv[0]))
rc = rrd_update(argc, argv);
else if (!strcmp("restore", argv[0]))
rc = rrd_restore(argc, argv);
else if (!strcmp("dump", argv[0]))
rc = rrd_dump(argc, argv);
else if (!strcmp("tune", argv[0]))
rc = rrd_tune(argc, argv);
else if (!strcmp("last", argv[0]))
rc = rrd_last(argc, argv);
else if (!strcmp("resize", argv[0]))
rc = rrd_resize(argc, argv);
else if (!strcmp("fetch", argv[0]))
return _RRD_fetch(argc, argv);
else if (!strcmp("graph", argv[0])) {
return _RRD_graph(argc, argv);
}
else {
PyMem_DEL(argv);
PyErr_SetString(PyExc_TypeError,
"invalid action");
return NULL;
}
if (rc == -1) {
PyMem_DEL(argv);
PyErr_SetString(PyExc_ValueError,
rrd_get_error());
rrd_clear_error();
return NULL;
}
PyMem_DEL(argv);
return PyLong_FromLong(rc);
}
static PyObject *PyRRD_graph(
PyObject UNUSED(*self),
PyObject * args)
{
PyObject *r;
char **argv, **calcpr;
int argc, xsize, ysize, i;
double ymin, ymax;
if (create_args("graph", args, &argc, &argv) < 0)
return NULL;
if (rrd_graph(argc, argv, &calcpr, &xsize, &ysize, NULL, &ymin, &ymax) ==
-1) {
PyErr_SetString(ErrorObject, rrd_get_error());
rrd_clear_error();
r = NULL;
} else {
r = PyTuple_New(3);
PyTuple_SET_ITEM(r, 0, PyInt_FromLong((long) xsize));
PyTuple_SET_ITEM(r, 1, PyInt_FromLong((long) ysize));
if (calcpr) {
PyObject *e, *t;
e = PyList_New(0);
PyTuple_SET_ITEM(r, 2, e);
for (i = 0; calcpr[i]; i++) {
t = PyString_FromString(calcpr[i]);
PyList_Append(e, t);
Py_DECREF(t);
rrd_freemem(calcpr[i]);
}
rrd_freemem(calcpr);
} else {
Py_INCREF(Py_None);
PyTuple_SET_ITEM(r, 2, Py_None);
}
}
destroy_args(&argv);
return r;
}
/**
* @brief 更新RRD数据库
* @param rrd_file rrd数据库路径
* @param value 数值
* @param num 个数
* @return 成功返回0，失败返回-1
*/
int c_rrd_handler::RRD_update(const char *rrd_file, const char *value, const char *num)
{
int argc = 3;
const char *argv[4] = {NULL};
char val[128] = {'\0'};
if(NULL == rrd_file || NULL == value)
{
ERROR_LOG("RRD path OR Value is NULL.");
return -1;
}
// if(access(rrd_file, F_OK | R_OK | W_OK) != 0) {
// ERROR_LOG("Can not access rrd_file[%s]: [%s]", rrd_file, strerror(errno));
// return -1;
// }
if(num)
{
snprintf(val, sizeof(val) - 1, "N:%s:%s", value, num);
}
else
{
snprintf(val, sizeof(val) - 1, "N:%s", value);
}
argv[0] = "dummy";
argv[1] = rrd_file;
argv[2] = val;
optind = 0;
optopt = 0;
opterr = 0;
optarg = NULL;
rrd_clear_error();
rrd_update(argc, (char**)argv);
if(rrd_test_error())
{
ERROR_LOG("ERROR: RRD_update(%s): %s", rrd_file, rrd_get_error());
return -1;
}
return 0;
}
void
rrdtool_init ()
{
int i;
rrd_clear_error ();
rrd.fatal = 1;
rrdtool_parse_config ();
rrd.time_update = 0;
for (i = 0; i < MAX_RRD_ARGV; i++)
rrd.argv[i] = (char *) malloc (512);
/* we rather want to create this now... */
/* but we need to wait for the first entry */
/* so this is deferred to update */
/* rrdtool_create_all(); */
}
int eat_tag(char **buf, char *tag){
if ((*buf)==NULL) return -1; /* fall though clause */
rrd_clear_error();
skip(buf);
if ((**buf)=='<'
&& strncmp((*buf)+1,tag,strlen(tag)) == 0
&& *((*buf)+strlen(tag)+1)=='>') {
(*buf) += strlen(tag)+2;
}
else {
rrd_set_error("No <%s> tag found",tag);
(*buf) = NULL;
return -1;
}
skip(buf);
return 1;
}
char* includefile(long argc, const char **args){
char *buffer;
if (argc >= 1) {
const char* filename = args[0];
readfile(filename, &buffer, 0);
if (rrd_test_error()) {
char *err = malloc((strlen(rrd_get_error())+DS_NAM_SIZE));
sprintf(err, "[ERROR: %s]",rrd_get_error());
rrd_clear_error();
return err;
} else {
return buffer;
}
}
else
{
return stralloc("[ERROR: No Inclue file defined]");
}
}