#ifndef SEARPC_SERVER_H
#define SEARPC_SERVER_H

#include <glib.h>
#include <glib-object.h>
#include <jansson.h>

#ifdef __cplusplus
extern "C" {
#endif

#ifdef LIBSEARPC_EXPORTS
#define LIBSEARPC_API __declspec(dllexport)
#else
#define LIBSEARPC_API
#endif

#ifndef DFT_DOMAIN
#define DFT_DOMAIN g_quark_from_string(G_LOG_DOMAIN)
#endif

typedef gchar* (*SearpcMarshalFunc) (void *func, json_t *param_array,
    gsize *ret_len);
typedef void (*RegisterMarshalFunc) (void);

LIBSEARPC_API
void searpc_set_string_to_ret_object (json_t *object, char *ret);
LIBSEARPC_API
void searpc_set_int_to_ret_object (json_t *object, json_int_t ret);
LIBSEARPC_API
void searpc_set_object_to_ret_object (json_t *object, GObject *ret);
LIBSEARPC_API
void searpc_set_objlist_to_ret_object (json_t *object, GList *ret);
LIBSEARPC_API
void searpc_set_json_to_ret_object (json_t *object, json_t *ret);
LIBSEARPC_API
char *searpc_marshal_set_ret_common (json_t *object, gsize *len, GError *error);

/**
 * searpc_server_init:
 *
 * Inititalize searpc server.
 */
LIBSEARPC_API
void searpc_server_init (RegisterMarshalFunc register_func);

/**
 * searpc_server_init_with_slow_log:
 *
 * Inititalize searpc server with slow log file.
 */
LIBSEARPC_API int
searpc_server_init_with_slow_log (RegisterMarshalFunc register_func,
                                  const char *slow_log_path,
                                  gint64 slow_threshold_in,
                                  GList *filtered_funcs_in);

/**
 * Used in log rotate.
 */
LIBSEARPC_API int
searpc_server_reopen_slow_log (const char *slow_log_path);

/**
 * searpc_server_final:
 * 
 * Free the server structure.
 */
LIBSEARPC_API
void searpc_server_final (void);

/**
 * searpc_create_service:
 *
 * Create a new service. Service is a set of functions.
 * The new service will be registered to the server.
 *
 * @svc_name: Service name.
 */
LIBSEARPC_API
int searpc_create_service (const char *svc_name);

/**
 * searpc_remove_service:
 *
 * Remove the service from the server.
 */
LIBSEARPC_API
void searpc_remove_service (const char *svc_name);

/**
 * searpc_server_register_marshal:
 *
 * For user to extend marshal functions.
 *
 * @signature: the signature of the marshal, register_marshal() will take
 * owner of this string.
 */
LIBSEARPC_API
gboolean searpc_server_register_marshal (gchar *signature,
                                         SearpcMarshalFunc marshal);

/**
 * searpc_server_register_function:
 *
 * Register a rpc function with given signature to a service.
 *
 * @signature: the signature of the function, register_function() will take
 * owner of this string.
 */
LIBSEARPC_API
gboolean searpc_server_register_function (const char *service,
                                          void* func,
                                          const gchar *fname,
                                          gchar *signature);

/**
 * searpc_server_call_function:
 * @service: service name.
 * @func: the serialized representation of the function to call.
 * @len: length of @func.
 * @ret_len: the length of the returned string.
 *
 * Call a registered function @func of a service.
 *
 * Returns the serialized representatio of the returned value.
 */
LIBSEARPC_API
gchar *searpc_server_call_function (const char *service,
                                    gchar *func, gsize len, gsize *ret_len);

/**
 * searpc_compute_signature:
 * @ret_type: the return type of the function.
 * @pnum: number of parameters of the function.
 *
 * Compute function signature.
 */
LIBSEARPC_API
char* searpc_compute_signature (const gchar *ret_type, int pnum, ...);

#ifdef __cplusplus
}
#endif

#endif
