netdata/collectors/plugins.d/plugins_d.h

// SPDX-License-Identifier: GPL-3.0-or-later

#ifndef NETDATA_PLUGINS_D_H
#define NETDATA_PLUGINS_D_H 1

#include "../../daemon/common.h"

#define NETDATA_PLUGIN_HOOK_PLUGINSD \
    { \
        .name = "PLUGINSD", \
        .config_section = NULL, \
        .config_name = NULL, \
        .enabled = 1, \
        .thread = NULL, \
        .init_routine = NULL, \
        .start_routine = pluginsd_main \
    },


#define PLUGINSD_FILE_SUFFIX ".plugin"
#define PLUGINSD_FILE_SUFFIX_LEN strlen(PLUGINSD_FILE_SUFFIX)
#define PLUGINSD_CMD_MAX (FILENAME_MAX*2)
#define PLUGINSD_STOCK_PLUGINS_DIRECTORY_PATH 0

#define PLUGINSD_KEYWORD_CHART "CHART"
#define PLUGINSD_KEYWORD_DIMENSION "DIMENSION"
#define PLUGINSD_KEYWORD_BEGIN "BEGIN"
#define PLUGINSD_KEYWORD_END "END"
#define PLUGINSD_KEYWORD_FLUSH "FLUSH"
#define PLUGINSD_KEYWORD_DISABLE "DISABLE"
#define PLUGINSD_KEYWORD_VARIABLE "VARIABLE"
#define PLUGINSD_KEYWORD_LABEL "LABEL"
#define PLUGINSD_KEYWORD_OVERWRITE "OVERWRITE"

#define PLUGINSD_LINE_MAX 1024
#define PLUGINSD_LINE_MAX_SSL_READ 512
#define PLUGINSD_MAX_WORDS 20

#define PLUGINSD_MAX_DIRECTORIES 20
extern char *plugin_directories[PLUGINSD_MAX_DIRECTORIES];

struct plugind {
    char id[CONFIG_MAX_NAME+1];         // config node id

    char filename[FILENAME_MAX+1];      // just the filename
    char fullfilename[FILENAME_MAX+1];  // with path
    char cmd[PLUGINSD_CMD_MAX+1];       // the command that it executes

    volatile pid_t pid;
    netdata_thread_t thread;

    size_t successful_collections;      // the number of times we have seen
                                        // values collected from this plugin

    size_t serial_failures;             // the number of times the plugin started
                                        // without collecting values

    int update_every;                   // the plugin default data collection frequency
    volatile sig_atomic_t obsolete;     // do not touch this structure after setting this to 1
    volatile sig_atomic_t enabled;      // if this is enabled or not

    time_t started_t;

    struct plugind *next;
};

extern struct plugind *pluginsd_root;

extern void *pluginsd_main(void *ptr);

extern size_t pluginsd_process(RRDHOST *host, struct plugind *cd, FILE *fp, int trust_durations);
extern int pluginsd_split_words(char *str, char **words, int max_words);

extern int pluginsd_initialize_plugin_directories();

extern int config_isspace(char c);

#endif /* NETDATA_PLUGINS_D_H */