core-lightning/lightningd/plugin.h

#ifndef LIGHTNING_LIGHTNINGD_PLUGIN_H
#define LIGHTNING_LIGHTNINGD_PLUGIN_H
#include "config.h"
#include <ccan/take/take.h>
#include <ccan/tal/tal.h>
#include <lightningd/jsonrpc.h>
#include <lightningd/log.h>

/**
 * A collection of plugins, and some associated information.
 *
 * Mainly used as root context for calls in the plugin subsystem.
 */
struct plugins;

/**
 * Create a new plugins context.
 */
struct plugins *plugins_new(const tal_t *ctx, struct log_book *log_book);

/**
 * Initialize the registered plugins.
 *
 * Initialization includes spinning up the plugins, reading their
 * manifest, and registering the JSON-RPC passthrough and command line
 * arguments. In order to read the getmanifest reply from the plugins
 * we spin up our own io_loop that exits once all plugins have
 * responded.
 */
void plugins_init(struct plugins *plugins);

/**
 * Register a plugin for initialization and execution.
 *
 * @param plugins: Plugin context
 * @param path: The path of the executable for this plugin
 */
void plugin_register(struct plugins *plugins, const char* path TAKES);

/**
 * Send the configure message to all plugins.
 *
 * Once we've collected all the command line arguments we can go ahead
 * and send them over to the plugin. This finalizes the initialization
 * of the plugins and signals that lightningd is now ready to process
 * incoming JSON-RPC calls and messages.
 */
void plugins_config(struct plugins *plugins);
/**
 * Add the plugin option and their respective options to listconfigs.
 *
 * This adds a dict that maps the plugin name to a dict of configuration options
 * for the corresponding plugins.
 */
void json_add_opt_plugins(struct json_stream *response,
			  const struct plugins *plugins);

#endif /* LIGHTNING_LIGHTNINGD_PLUGIN_H */