core-lightning/common/json_command.h
Rusty Russell 9fd29d35dd common: move now-enlarged command_fail_badparam into its own source file.
It's getting a bit awkward to inline now: it's non-trivial.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2024-06-25 08:47:50 +09:30

64 lines
2.2 KiB
C

/* These functions must be supplied by any binary linking with common/param
* so it can fail commands. */
#ifndef LIGHTNING_COMMON_JSON_COMMAND_H
#define LIGHTNING_COMMON_JSON_COMMAND_H
#include "config.h"
#include <ccan/compiler/compiler.h>
#include <common/json_parse.h>
#include <common/jsonrpc_errors.h>
#include <common/status_levels.h>
struct command;
struct command_result;
/* Caller supplied this: param assumes it can call it. */
struct command_result *command_fail(struct command *cmd, enum jsonrpc_errcode code,
const char *fmt, ...)
PRINTF_FMT(3, 4) WARN_UNUSED_RESULT RETURNS_NONNULL;
/* Caller supplies this too: must provide this to reach into cmd */
struct json_filter **command_filter_ptr(struct command *cmd);
/* Do some logging (complaining!) about this command misuse */
void command_log(struct command *cmd, enum log_level level,
const char *fmt, ...)
PRINTF_FMT(3, 4);
/* Also caller supplied: is this invoked simply to get usage? */
bool command_usage_only(const struct command *cmd);
/* Caller supplies this too: they tried to use a deprecated parameter (or cmd). */
bool command_deprecated_in_ok(struct command *cmd,
const char *param,
const char *depr_start,
const char *depr_end);
/* Caller supplies this: should we output this deprecated thing */
bool command_deprecated_out_ok(struct command *cmd,
const char *fieldname,
const char *depr_start,
const char *depr_end);
/* Do we allow dev commands? */
bool command_dev_apis(const struct command *cmd);
/* If so, this is called. */
void command_set_usage(struct command *cmd, const char *usage);
/* Also caller supplied: is this invoked simply to check parameters? */
bool command_check_only(const struct command *cmd);
/* To return after param_check() succeeds but we're still
* command_check_only(cmd). */
struct command_result *command_check_done(struct command *cmd)
WARN_UNUSED_RESULT;
/* Convenient wrapper for "paramname: msg: invalid token '.*%s'" */
struct command_result *command_fail_badparam(struct command *cmd,
const char *paramname,
const char *buffer,
const jsmntok_t *tok,
const char *msg);
#endif /* LIGHTNING_COMMON_JSON_COMMAND_H */