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// SPDX-License-Identifier: GPL-3.0-or-later
#include "dyncfg-internals.h"
#include "dyncfg.h"
// ----------------------------------------------------------------------------
// echo is when we send requests to plugins without any caller
// it is used for:
// 1. the first enable/disable requests we send, and also
// 2. updates to stock or user configurations
// 3. saved dynamic jobs we need to add to templates
struct dyncfg_echo {
const DICTIONARY_ITEM *item;
DYNCFG *df; // for additions this is the job, not the template
BUFFER *wb;
DYNCFG_CMDS cmd;
const char *cmd_str;
};
void dyncfg_echo_cb(BUFFER *wb __maybe_unused, int code __maybe_unused, void *result_cb_data) {
struct dyncfg_echo *e = result_cb_data;
DYNCFG *df = e->df;
if(DYNCFG_RESP_SUCCESS(code)) {
// successful response
if(e->cmd == DYNCFG_CMD_ADD) {
df->dyncfg.status = dyncfg_status_from_successful_response(code);
dyncfg_update_status_on_successful_add_or_update(df, code);
}
else if(e->cmd == DYNCFG_CMD_UPDATE) {
df->dyncfg.status = dyncfg_status_from_successful_response(code);
dyncfg_update_status_on_successful_add_or_update(df, code);
}
else if(e->cmd == DYNCFG_CMD_DISABLE)
df->dyncfg.status = df->current.status = DYNCFG_STATUS_DISABLED;
else if(e->cmd == DYNCFG_CMD_ENABLE)
df->dyncfg.status = df->current.status = dyncfg_status_from_successful_response(code);
}
else {
// failed response
nd_log(NDLS_DAEMON, NDLP_ERR,
"DYNCFG: received response code %d on request to id '%s', cmd: %s",
code, dictionary_acquired_item_name(e->item), e->cmd_str);
if(e->cmd == DYNCFG_CMD_UPDATE || e->cmd == DYNCFG_CMD_ADD)
e->df->dyncfg.plugin_rejected = true;
}
buffer_free(e->wb);
dictionary_acquired_item_release(dyncfg_globals.nodes, e->item);
e->wb = NULL;
e->df = NULL;
e->item = NULL;
freez((void *)e->cmd_str);
e->cmd_str = NULL;
freez(e);
}
// ----------------------------------------------------------------------------
void dyncfg_echo(const DICTIONARY_ITEM *item, DYNCFG *df, const char *id __maybe_unused, DYNCFG_CMDS cmd) {
RRDHOST *host = dyncfg_rrdhost(df);
if(!host) {
nd_log(NDLS_DAEMON, NDLP_ERR, "DYNCFG: cannot find host of configuration id '%s'", id);
return;
}
if(!(df->cmds & cmd)) {
nd_log(NDLS_DAEMON, NDLP_ERR, "DYNCFG: attempted to echo a cmd that is not supported");
return;
}
const char *cmd_str = dyncfg_id2cmd_one(cmd);
if(!cmd_str) {
nd_log(NDLS_DAEMON, NDLP_ERR, "DYNCFG: command given does not resolve to a known command");
return;
}
struct dyncfg_echo *e = callocz(1, sizeof(struct dyncfg_echo));
e->item = dictionary_acquired_item_dup(dyncfg_globals.nodes, item);
e->wb = buffer_create(0, NULL);
e->df = df;
e->cmd = cmd;
e->cmd_str = strdupz(cmd_str);
char buf[string_strlen(df->function) + strlen(e->cmd_str) + 20];
snprintfz(buf, sizeof(buf), "%s %s", string2str(df->function), e->cmd_str);
rrd_function_run(
host, e->wb, 10,
HTTP_ACCESS_ALL, buf, false, NULL,
dyncfg_echo_cb, e,
NULL, NULL,
NULL, NULL,
NULL, string2str(df->dyncfg.source));
}
// ----------------------------------------------------------------------------
void dyncfg_echo_update(const DICTIONARY_ITEM *item, DYNCFG *df, const char *id) {
RRDHOST *host = dyncfg_rrdhost(df);
if(!host) {
nd_log(NDLS_DAEMON, NDLP_ERR, "DYNCFG: cannot find host of configuration id '%s'", id);
return;
}
if(!df->dyncfg.payload) {
nd_log(NDLS_DAEMON, NDLP_ERR, "DYNCFG: requested to send an update to '%s', but there is no payload", id);
return;
}
struct dyncfg_echo *e = callocz(1, sizeof(struct dyncfg_echo));
e->item = dictionary_acquired_item_dup(dyncfg_globals.nodes, item);
e->wb = buffer_create(0, NULL);
e->df = df;
e->cmd = DYNCFG_CMD_UPDATE;
e->cmd_str = strdupz("update");
char buf[string_strlen(df->function) + strlen(e->cmd_str) + 20];
snprintfz(buf, sizeof(buf), "%s %s", string2str(df->function), e->cmd_str);
rrd_function_run(
host, e->wb, 10,
HTTP_ACCESS_ALL, buf, false, NULL,
dyncfg_echo_cb, e,
NULL, NULL,
NULL, NULL,
df->dyncfg.payload, string2str(df->dyncfg.source));
}
// ----------------------------------------------------------------------------
static void dyncfg_echo_payload_add(const DICTIONARY_ITEM *item_template __maybe_unused, const DICTIONARY_ITEM *item_job, DYNCFG *df_template, DYNCFG *df_job, const char *id_template, const char *cmd) {
RRDHOST *host = dyncfg_rrdhost(df_template);
if(!host) {
nd_log(NDLS_DAEMON, NDLP_ERR, "DYNCFG: cannot find host of configuration id '%s'", id_template);
return;
}
if(!df_job->dyncfg.payload) {
nd_log(NDLS_DAEMON, NDLP_ERR,
"DYNCFG: requested to send a '%s' to '%s', but there is no payload",
cmd, id_template);
return;
}
struct dyncfg_echo *e = callocz(1, sizeof(struct dyncfg_echo));
e->item = dictionary_acquired_item_dup(dyncfg_globals.nodes, item_job);
e->wb = buffer_create(0, NULL);
e->df = df_job;
e->cmd = DYNCFG_CMD_ADD;
e->cmd_str = strdupz(cmd);
char buf[string_strlen(df_template->function) + strlen(cmd) + 20];
snprintfz(buf, sizeof(buf), "%s %s", string2str(df_template->function), cmd);
rrd_function_run(
host, e->wb, 10,
HTTP_ACCESS_ALL, buf, false, NULL,
dyncfg_echo_cb, e,
NULL, NULL,
NULL, NULL,
df_job->dyncfg.payload, string2str(df_job->dyncfg.source));
}
void dyncfg_echo_add(const DICTIONARY_ITEM *item_template, const DICTIONARY_ITEM *item_job, DYNCFG *df_template, DYNCFG *df_job, const char *template_id, const char *job_name) {
char buf[strlen(job_name) + 20];
snprintfz(buf, sizeof(buf), "add %s", job_name);
dyncfg_echo_payload_add(item_template, item_job, df_template, df_job, template_id, buf);
}
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