src/doveadm/doveadm-cmd.h

#ifndef DOVEADM_CMD_H
#define DOVEADM_CMD_H

#include "net.h"

#define DOVEADM_CMD_PARAMS_START .parameters = (const struct doveadm_cmd_param[]){
#define DOVEADM_CMD_PARAM(optP, nameP, typeP, flagP ) { .short_opt = optP, .name = nameP, .type = typeP, .flags = flagP },
#define DOVEADM_CMD_PARAMS_END { .short_opt = '\0', .name = NULL, .type = CMD_PARAM_BOOL, .flags = CMD_PARAM_FLAG_NONE } }

struct doveadm_cmd_ver2;
struct doveadm_cmd_context;
struct doveadm_mail_cmd_context;

typedef void doveadm_command_t(int argc, char *argv[]);

typedef enum {
    CMD_PARAM_BOOL = 0, /* value will contain 1 (not pointer) */
    CMD_PARAM_INT64,    /* ditto but contains number (not pointer) */
    CMD_PARAM_IP,      /* value contains struct ip_addr */
    CMD_PARAM_STR,     /* value contains const char* */
    CMD_PARAM_ARRAY,   /* value contains const char*[] */
    CMD_PARAM_ISTREAM  /* value contains struct istream* */
} doveadm_cmd_param_t;

typedef enum {
    CMD_PARAM_FLAG_NONE     = 0x0,
    CMD_PARAM_FLAG_POSITIONAL   = 0x1,
    CMD_PARAM_FLAG_DO_NOT_EXPOSE    = 0x2,
} doveadm_cmd_param_flag_t;

typedef enum {
    CMD_FLAG_NONE           = 0x0,
    CMD_FLAG_HIDDEN         = 0x1,
    CMD_FLAG_NO_PRINT       = 0x2,
} doveadm_cmd_flag_t;

struct doveadm_cmd_param {
    char short_opt;
    const char *name;
    doveadm_cmd_param_t type;
    bool value_set;
    struct {
        bool v_bool;
        int64_t v_int64;
        const char* v_string;
        ARRAY_TYPE(const_string) v_array;
        struct ip_addr v_ip;
        struct istream* v_istream;
    } value;
    doveadm_cmd_param_flag_t flags;
};
ARRAY_DEFINE_TYPE(doveadm_cmd_param_arr_t, struct doveadm_cmd_param);

typedef void doveadm_command_ver2_t(struct doveadm_cmd_context *cctx);

struct doveadm_cmd {
    doveadm_command_t *cmd;
    const char *name;
    const char *short_usage;
};

struct doveadm_cmd_ver2 {
    doveadm_command_ver2_t *cmd;
    doveadm_command_t *old_cmd;
    struct doveadm_mail_cmd_context *(*mail_cmd)(void);
    const char *name;
    const char *usage;
    doveadm_cmd_flag_t flags;
    const struct doveadm_cmd_param *parameters;
};

struct doveadm_cmd_context {
    const struct doveadm_cmd_ver2 *cmd; /* for help */

    int argc;
    const struct doveadm_cmd_param *argv;

    const char *username;
    struct ip_addr local_ip, remote_ip;
    in_port_t local_port, remote_port;

    enum doveadm_client_type conn_type;
    struct istream *input;
    struct ostream *output;
};

ARRAY_DEFINE_TYPE(doveadm_cmd, struct doveadm_cmd);
extern ARRAY_TYPE(doveadm_cmd) doveadm_cmds;

ARRAY_DEFINE_TYPE(doveadm_cmd_ver2, struct doveadm_cmd_ver2);
extern ARRAY_TYPE(doveadm_cmd_ver2) doveadm_cmds_ver2;

extern struct doveadm_cmd doveadm_cmd_dump;
extern struct doveadm_cmd doveadm_cmd_pw;
extern struct doveadm_cmd doveadm_cmd_mailbox_mutf7;
extern struct doveadm_cmd doveadm_cmd_sis_deduplicate;
extern struct doveadm_cmd doveadm_cmd_sis_find;
extern struct doveadm_cmd doveadm_cmd_zlibconnect;

void doveadm_register_cmd(const struct doveadm_cmd *cmd);

const struct doveadm_cmd *
doveadm_cmd_find_with_args(const char *cmd_name, int *argc,
               const char *const *argv[]);

void doveadm_register_auth_commands(void);
void doveadm_register_auth_server_commands(void);
void doveadm_register_director_commands(void);
void doveadm_register_proxy_commands(void);
void doveadm_register_log_commands(void);
void doveadm_register_instance_commands(void);
void doveadm_register_mount_commands(void);
void doveadm_register_replicator_commands(void);
void doveadm_register_dict_commands(void);
void doveadm_register_fs_commands(void);

void doveadm_cmds_init(void);
void doveadm_cmds_deinit(void);

void doveadm_cmd_ver2_to_cmd_wrapper(struct doveadm_cmd_context *cctx);
void doveadm_cmd_ver2_to_mail_cmd_wrapper(struct doveadm_cmd_context *cctx);

void doveadm_cmd_register_ver2(struct doveadm_cmd_ver2 *cmd);
const struct doveadm_cmd_ver2 *
doveadm_cmd_find_with_args_ver2(const char *cmd_name, int *argc,
                const char *const *argv[]);
const struct doveadm_cmd_ver2 *doveadm_cmd_find_ver2(const char *cmd_name);
/* Returns FALSE if cmd_name doesn't exist, TRUE if it exists. */
bool doveadm_cmd_try_run_ver2(const char *cmd_name,
    int argc, const char *const argv[],
    struct doveadm_cmd_context *cctx);
/* Returns 0 if success, -1 if parameters were invalid. */
int doveadm_cmd_run_ver2(int argc, const char *const argv[],
    struct doveadm_cmd_context *cctx);

bool doveadm_cmd_param_bool(const struct doveadm_cmd_context *cctx,
                const char *name, bool *value_r);
bool doveadm_cmd_param_int64(const struct doveadm_cmd_context *cctx,
                 const char *name, int64_t *value_r);
bool doveadm_cmd_param_str(const struct doveadm_cmd_context *cctx,
               const char *name, const char **value_r);
bool doveadm_cmd_param_ip(const struct doveadm_cmd_context *cctx,
              const char *name, struct ip_addr *value_r);
bool doveadm_cmd_param_array(const struct doveadm_cmd_context *cctx,
                 const char *name, const char *const **value_r);
bool doveadm_cmd_param_istream(const struct doveadm_cmd_context *cctx,
                   const char *name, struct istream **value_r);

void doveadm_cmd_params_clean(ARRAY_TYPE(doveadm_cmd_param_arr_t) *pargv);
void doveadm_cmd_params_null_terminate_arrays(ARRAY_TYPE(doveadm_cmd_param_arr_t) *pargv);

extern struct doveadm_cmd_ver2 doveadm_cmd_service_stop_ver2;
extern struct doveadm_cmd_ver2 doveadm_cmd_service_status_ver2;
extern struct doveadm_cmd_ver2 doveadm_cmd_process_status_ver2;
extern struct doveadm_cmd_ver2 doveadm_cmd_stop_ver2;
extern struct doveadm_cmd_ver2 doveadm_cmd_reload_ver2;
extern struct doveadm_cmd_ver2 doveadm_cmd_stats_dump_ver2;
extern struct doveadm_cmd_ver2 doveadm_cmd_oldstats_reset_ver2;
extern struct doveadm_cmd_ver2 doveadm_cmd_oldstats_dump_ver2;
extern struct doveadm_cmd_ver2 doveadm_cmd_oldstats_top_ver2;
extern struct doveadm_cmd_ver2 doveadm_cmd_penalty_ver2;
extern struct doveadm_cmd_ver2 doveadm_cmd_kick_ver2;
extern struct doveadm_cmd_ver2 doveadm_cmd_who_ver2;

#endif