X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=include%2Fafb%2Fafb-binding.h;h=5a6f9bc4b412cd1a6c92e63dde59ca56771f5a05;hb=248ba86f06b1903fff3e0538d7b06c02610b4806;hp=7058b6d0ffcb06d7a1ae3ba5dc1cc2066ad3905c;hpb=399d235e33b55922f15570f0ee0076529c518efc;p=src%2Fapp-framework-binder.git diff --git a/include/afb/afb-binding.h b/include/afb/afb-binding.h index 7058b6d0..5a6f9bc4 100644 --- a/include/afb/afb-binding.h +++ b/include/afb/afb-binding.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2016 "IoT.bzh" + * Copyright (C) 2016, 2017 "IoT.bzh" * Author: José Bollo * * Licensed under the Apache License, Version 2.0 (the "License"); @@ -29,233 +29,26 @@ * * A binding is a shared library. This shared library must have at least one * exported symbol for being registered in afb-daemon. - * For the current version of afb-daemon, the function exported MUST be named * - * afbBindingV1Register */ -/* - * Some function of the library are exported to afb-daemon. - */ - -#include -#include - -/* - * Definition of the type+versions of the binding. - * The definition uses hashes. - */ -enum afb_binding_type -{ - AFB_BINDING_VERSION_1 = 123456789 /* version 1 */ -}; - -/* - * Enum for Session/Token/Assurance middleware. - * This enumeration is valid for bindings of type 1 - */ -enum afb_session_v1 -{ - AFB_SESSION_NONE = 0, /* nothing required */ - AFB_SESSION_CREATE = 1, /* Obsolete */ - AFB_SESSION_CLOSE = 2, /* After token authentification, closes the session at end */ - AFB_SESSION_RENEW = 4, /* After token authentification, refreshes the token at end */ - AFB_SESSION_CHECK = 8, /* Requires token authentification */ - - AFB_SESSION_LOA_GE = 16, /* check that the LOA is greater or equal to the given value */ - AFB_SESSION_LOA_LE = 32, /* check that the LOA is lesser or equal to the given value */ - AFB_SESSION_LOA_EQ = 48, /* check that the LOA is equal to the given value */ - - AFB_SESSION_LOA_SHIFT = 6, /* shift for LOA */ - AFB_SESSION_LOA_MASK = 7, /* mask for LOA */ - - AFB_SESSION_LOA_0 = 0, /* value for LOA of 0 */ - AFB_SESSION_LOA_1 = 64, /* value for LOA of 1 */ - AFB_SESSION_LOA_2 = 128, /* value for LOA of 2 */ - AFB_SESSION_LOA_3 = 192, /* value for LOA of 3 */ - AFB_SESSION_LOA_4 = 256, /* value for LOA of 4 */ - - AFB_SESSION_LOA_LE_0 = AFB_SESSION_LOA_LE | AFB_SESSION_LOA_0, /* check LOA <= 0 */ - AFB_SESSION_LOA_LE_1 = AFB_SESSION_LOA_LE | AFB_SESSION_LOA_1, /* check LOA <= 1 */ - AFB_SESSION_LOA_LE_2 = AFB_SESSION_LOA_LE | AFB_SESSION_LOA_2, /* check LOA <= 2 */ - AFB_SESSION_LOA_LE_3 = AFB_SESSION_LOA_LE | AFB_SESSION_LOA_3, /* check LOA <= 3 */ - - AFB_SESSION_LOA_GE_0 = AFB_SESSION_LOA_GE | AFB_SESSION_LOA_0, /* check LOA >= 0 */ - AFB_SESSION_LOA_GE_1 = AFB_SESSION_LOA_GE | AFB_SESSION_LOA_1, /* check LOA >= 1 */ - AFB_SESSION_LOA_GE_2 = AFB_SESSION_LOA_GE | AFB_SESSION_LOA_2, /* check LOA >= 2 */ - AFB_SESSION_LOA_GE_3 = AFB_SESSION_LOA_GE | AFB_SESSION_LOA_3, /* check LOA >= 3 */ - - AFB_SESSION_LOA_EQ_0 = AFB_SESSION_LOA_EQ | AFB_SESSION_LOA_0, /* check LOA == 0 */ - AFB_SESSION_LOA_EQ_1 = AFB_SESSION_LOA_EQ | AFB_SESSION_LOA_1, /* check LOA == 1 */ - AFB_SESSION_LOA_EQ_2 = AFB_SESSION_LOA_EQ | AFB_SESSION_LOA_2, /* check LOA == 2 */ - AFB_SESSION_LOA_EQ_3 = AFB_SESSION_LOA_EQ | AFB_SESSION_LOA_3 /* check LOA == 3 */ -}; - -/* - * Description of one verb of the API provided by the binding - * This enumeration is valid for bindings of type 1 - */ -struct afb_verb_desc_v1 -{ - const char *name; /* name of the verb */ - enum afb_session_v1 session; /* authorisation and session requirements of the verb */ - void (*callback)(struct afb_req req); /* callback function implementing the verb */ - const char *info; /* textual description of the verb */ -}; - -/* - * Description of the bindings of type 1 - */ -struct afb_binding_desc_v1 -{ - const char *info; /* textual information about the binding */ - const char *prefix; /* required prefix name for the binding */ - const struct afb_verb_desc_v1 *verbs; /* array of descriptions of verbs terminated by a NULL name */ -}; - -/* - * Description of a binding - */ -struct afb_binding -{ - enum afb_binding_type type; /* type of the binding */ - union { - struct afb_binding_desc_v1 v1; /* description of the binding of type 1 */ - }; -}; - -/* - * config mode - */ -enum afb_mode { - AFB_MODE_LOCAL = 0, /* run locally */ - AFB_MODE_REMOTE, /* run remotely */ - AFB_MODE_GLOBAL /* run either remotely or locally (DONT USE! reserved for future) */ -}; - -/* declaration of features of libsystemd */ -struct sd_event; -struct sd_bus; - -/* - * Definition of the facilities provided by the daemon. - */ -struct afb_daemon_itf { - int (*event_broadcast)(void *closure, const char *name, struct json_object *object); /* broadcasts evant 'name' with 'object' */ - struct sd_event *(*get_event_loop)(void *closure); /* gets the common systemd's event loop */ - struct sd_bus *(*get_user_bus)(void *closure); /* gets the common systemd's user d-bus */ - struct sd_bus *(*get_system_bus)(void *closure); /* gets the common systemd's system d-bus */ - void (*vverbose)(void*closure, int level, const char *file, int line, const char *fmt, va_list args); - struct afb_event (*event_make)(void *closure, const char *name); /* creates an event of 'name' */ -}; - -/* - * Structure for accessing daemon. - * See also: afb_daemon_get_event_sender, afb_daemon_get_event_loop, afb_daemon_get_user_bus, afb_daemon_get_system_bus - */ -struct afb_daemon { - const struct afb_daemon_itf *itf; /* the interfacing functions */ - void *closure; /* the closure when calling these functions */ -}; - -/* - * Interface between the daemon and the binding. - */ -struct afb_binding_interface -{ - struct afb_daemon daemon; /* access to the daemon facilies */ - int verbosity; /* level of verbosity */ - enum afb_mode mode; /* run mode (local or remote) */ -}; - -/* - * Function for registering the binding - */ -extern const struct afb_binding *afbBindingV1Register (const struct afb_binding_interface *interface); - -/* - * Retrieves the common systemd's event loop of AFB - * 'daemon' MUST be the daemon given in interface when activating the binding. - */ -static inline struct sd_event *afb_daemon_get_event_loop(struct afb_daemon daemon) -{ - return daemon.itf->get_event_loop(daemon.closure); -} - -/* - * Retrieves the common systemd's user/session d-bus of AFB - * 'daemon' MUST be the daemon given in interface when activating the binding. - */ -static inline struct sd_bus *afb_daemon_get_user_bus(struct afb_daemon daemon) -{ - return daemon.itf->get_user_bus(daemon.closure); -} +#define AFB_BINDING_LOWER_VERSION 1 +#define AFB_BINDING_UPPER_VERSION 2 +#define AFB_BINDING_DEFAULT_VERSION 1 -/* - * Retrieves the common systemd's system d-bus of AFB - * 'daemon' MUST be the daemon given in interface when activating the binding. - */ -static inline struct sd_bus *afb_daemon_get_system_bus(struct afb_daemon daemon) -{ - return daemon.itf->get_system_bus(daemon.closure); -} - -/* - * Broadcasts widely the event of 'name' with the data 'object'. - * 'object' can be NULL. - * 'daemon' MUST be the daemon given in interface when activating the binding. - * - * For convenience, the function calls 'json_object_put' for 'object'. - * Thus, in the case where 'object' should remain available after - * the function returns, the function 'json_object_get' shall be used. - * - * Returns the count of clients that received the event. - */ -static inline int afb_daemon_broadcast_event(struct afb_daemon daemon, const char *name, struct json_object *object) -{ - return daemon.itf->event_broadcast(daemon.closure, name, object); -} - -/* - * Creates an event of 'name' and returns it. - * 'daemon' MUST be the daemon given in interface when activating the binding. - */ -static inline struct afb_event afb_daemon_make_event(struct afb_daemon daemon, const char *name) -{ - return daemon.itf->event_make(daemon.closure, name); -} +#ifndef AFB_BINDING_VERSION +#define AFB_BINDING_VERSION AFB_BINDING_DEFAULT_VERSION +#endif /* - * Send a message described by 'fmt' and following parameters - * to the journal for the verbosity 'level'. - * 'file' and 'line' are indicators of position of the code in source files. - * 'daemon' MUST be the daemon given in interface when activating the binding. + * Some function of the library are exported to afb-daemon. */ -static inline void afb_daemon_verbose(struct afb_daemon daemon, int level, const char *file, int line, const char *fmt, ...) __attribute__((format(printf, 5, 6))); -static inline void afb_daemon_verbose(struct afb_daemon daemon, int level, const char *file, int line, const char *fmt, ...) -{ - va_list args; - va_start(args, fmt); - daemon.itf->vverbose(daemon.closure, level, file, line, fmt, args); - va_end(args); -} -/* - * Macros for logging messages - */ -#if !defined(NO_BINDING_VERBOSE_MACRO) -# if !defined(NO_BINDING_FILE_LINE_INDICATION) -# define ERROR(itf,...) do{if(itf->verbosity>=0)afb_daemon_verbose(itf->daemon,3,__FILE__,__LINE__,__VA_ARGS__);}while(0) -# define WARNING(itf,...) do{if(itf->verbosity>=1)afb_daemon_verbose(itf->daemon,4,__FILE__,__LINE__,__VA_ARGS__);}while(0) -# define NOTICE(itf,...) do{if(itf->verbosity>=1)afb_daemon_verbose(itf->daemon,5,__FILE__,__LINE__,__VA_ARGS__);}while(0) -# define INFO(itf,...) do{if(itf->verbosity>=2)afb_daemon_verbose(itf->daemon,6,__FILE__,__LINE__,__VA_ARGS__);}while(0) -# define DEBUG(itf,...) do{if(itf->verbosity>=3)afb_daemon_verbose(itf->daemon,7,__FILE__,__LINE__,__VA_ARGS__);}while(0) -# else -# define ERROR(itf,...) do{if(itf->verbosity>=0)afb_daemon_verbose(itf->daemon,3,NULL,0,__VA_ARGS__);}while(0) -# define WARNING(itf,...) do{if(itf->verbosity>=1)afb_daemon_verbose(itf->daemon,4,NULL,0,__VA_ARGS__);}while(0) -# define NOTICE(itf,...) do{if(itf->verbosity>=1)afb_daemon_verbose(itf->daemon,5,NULL,0,__VA_ARGS__);}while(0) -# define INFO(itf,...) do{if(itf->verbosity>=2)afb_daemon_verbose(itf->daemon,6,NULL,0,__VA_ARGS__);}while(0) -# define DEBUG(itf,...) do{if(itf->verbosity>=3)afb_daemon_verbose(itf->daemon,7,NULL,0,__VA_ARGS__);}while(0) -# endif -#endif +#include "afb-auth.h" +#include "afb-req-itf.h" +#include "afb-event-itf.h" +#include "afb-service-itf.h" +#include "afb-daemon-itf.h" +#include "afb-binding-v1.h" +#include "afb-binding-v2.h"