X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fafb-hook.c;h=6a11341c2aa6bca005707ee32fa328ff96beb76b;hb=6a325d7f101c986e7329ef912c0458719f95c096;hp=aa66b5de0ff3fe9628d74246cebfb472ef68c97e;hpb=b67e18b39830a01750721787bf3bdc5d71983144;p=src%2Fapp-framework-binder.git diff --git a/src/afb-hook.c b/src/afb-hook.c index aa66b5de..6a11341c 100644 --- a/src/afb-hook.c +++ b/src/afb-hook.c @@ -78,6 +78,18 @@ struct afb_hook_svc { void *closure; /**< closure for callbacks */ }; +/** + * Definition of a hook for evt + */ +struct afb_hook_evt { + struct afb_hook_evt *next; /**< next hook */ + unsigned refcount; /**< reference count */ + char *pattern; /**< event pattern name hooked or NULL for any */ + unsigned flags; /**< hook flags */ + struct afb_hook_evt_itf *itf; /**< interface of hook */ + void *closure; /**< closure for callbacks */ +}; + /* synchronisation across threads */ static pthread_rwlock_t rwlock = PTHREAD_RWLOCK_INITIALIZER; @@ -90,26 +102,55 @@ static struct afb_hook_ditf *list_of_ditf_hooks = NULL; /* list of hooks for svc */ static struct afb_hook_svc *list_of_svc_hooks = NULL; +/* list of hooks for evt */ +static struct afb_hook_evt *list_of_evt_hooks = NULL; + /****************************************************************************** * section: default callbacks for tracing requests *****************************************************************************/ +static char *_pbuf_(const char *fmt, va_list args, char **palloc, char *sbuf, size_t szsbuf) +{ + int rc; + va_list cp; + + *palloc = NULL; + va_copy(cp, args); + rc = vsnprintf(sbuf, szsbuf, fmt, args); + if ((size_t)rc >= szsbuf) { + sbuf[szsbuf-1] = 0; + sbuf[szsbuf-2] = sbuf[szsbuf-3] = sbuf[szsbuf-4] = '.'; + rc = vasprintf(palloc, fmt, cp); + if (rc >= 0) + sbuf = *palloc; + } + va_end(cp); + return sbuf; +} + +static void _hook_(const char *fmt1, const char *fmt2, va_list arg2, ...) +{ + char *tag, *data, *mem1, *mem2, buf1[256], buf2[2000]; + va_list arg1; + + data = _pbuf_(fmt2, arg2, &mem2, buf2, sizeof buf2); + + va_start(arg1, arg2); + tag = _pbuf_(fmt1, arg1, &mem1, buf1, sizeof buf1); + va_end(arg1); + + NOTICE("[HOOK %s] %s", tag, data); + + free(mem1); + free(mem2); +} + static void _hook_xreq_(const struct afb_xreq *xreq, const char *format, ...) { - int len; - char *buffer; va_list ap; - va_start(ap, format); - len = vasprintf(&buffer, format, ap); + _hook_("xreq-%06d:%s/%s", format, ap, xreq->hookindex, xreq->api, xreq->verb); va_end(ap); - - if (len < 0) - NOTICE("hook xreq-%06d:%s/%s allocation error", xreq->hookindex, xreq->api, xreq->verb); - else { - NOTICE("hook xreq-%06d:%s/%s %s", xreq->hookindex, xreq->api, xreq->verb, buffer); - free(buffer); - } } static void hook_xreq_begin_default_cb(void * closure, const struct afb_xreq *xreq) @@ -494,20 +535,10 @@ void afb_hook_unref_xreq(struct afb_hook_xreq *hook) static void _hook_ditf_(const struct afb_ditf *ditf, const char *format, ...) { - int len; - char *buffer; va_list ap; - va_start(ap, format); - len = vasprintf(&buffer, format, ap); + _hook_("ditf-%s", format, ap, ditf->api); va_end(ap); - - if (len < 0) - NOTICE("hook ditf-%s allocation error for %s", ditf->prefix, format); - else { - NOTICE("hook ditf-%s %s", ditf->prefix, buffer); - free(buffer); - } } static void hook_ditf_event_broadcast_before_cb(void *closure, const struct afb_ditf *ditf, const char *name, struct json_object *object) @@ -613,7 +644,7 @@ static struct afb_hook_ditf_itf hook_ditf_default_itf = { while (hook) { \ if (hook->itf->hook_ditf_##what \ && (hook->flags & afb_hook_flag_ditf_##what) != 0 \ - && (!hook->api || !strcasecmp(hook->api, ditf->prefix))) { \ + && (!hook->api || !strcasecmp(hook->api, ditf->api))) { \ hook->itf->hook_ditf_##what(hook->closure, __VA_ARGS__); \ } \ hook = hook->next; \ @@ -770,20 +801,10 @@ void afb_hook_unref_ditf(struct afb_hook_ditf *hook) static void _hook_svc_(const struct afb_svc *svc, const char *format, ...) { - int len; - char *buffer; va_list ap; - va_start(ap, format); - len = vasprintf(&buffer, format, ap); + _hook_("svc-%s", format, ap, svc->api); va_end(ap); - - if (len < 0) - NOTICE("hook svc-%s allocation error for %s", svc->api, format); - else { - NOTICE("hook svc-%s %s", svc->api, buffer); - free(buffer); - } } static void hook_svc_start_before_default_cb(void *closure, const struct afb_svc *svc) @@ -983,86 +1004,16 @@ void afb_hook_unref_svc(struct afb_hook_svc *hook) } } - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -/********************************************************* -* section hooking evt (event interface) -*********************************************************/ - -/** - * Definition of a hook for evt - */ -struct afb_hook_evt { - struct afb_hook_evt *next; /**< next hook */ - unsigned refcount; /**< reference count */ - char *pattern; /**< event pattern name hooked or NULL for any */ - unsigned flags; /**< hook flags */ - struct afb_hook_evt_itf *itf; /**< interface of hook */ - void *closure; /**< closure for callbacks */ -}; - -/* list of hooks for evt */ -static struct afb_hook_evt *list_of_evt_hooks = NULL; - - /****************************************************************************** * section: default callbacks for tracing service interface (evt) *****************************************************************************/ static void _hook_evt_(const char *evt, int id, const char *format, ...) { - int len; - char *buffer; va_list ap; - va_start(ap, format); - len = vasprintf(&buffer, format, ap); + _hook_("evt-%s:%d", format, ap, evt, id); va_end(ap); - - if (len < 0) - NOTICE("hook evt-%s:%d allocation error for %s", evt, id, format); - else { - NOTICE("hook evt-%s:%d %s", evt, id, buffer); - free(buffer); - } } static void hook_evt_create_default_cb(void *closure, const char *evt, int id) @@ -1251,36 +1202,3 @@ void afb_hook_unref_evt(struct afb_hook_evt *hook) } } } - -#if 0 -#define afb_hook_flag_evt_create 0x000001 -#define afb_hook_flag_evt_push_before 0x000002 -#define afb_hook_flag_evt_push_after 0x000004 -#define afb_hook_flag_evt_broadcast_before 0x000008 -#define afb_hook_flag_evt_broadcast_after 0x000010 -#define afb_hook_flag_evt_drop 0x000020 -#define afb_hook_flag_evt_name 0x000040 - -struct afb_hook_evt_itf { - void (*hook_evt_create)(void *closure, const char *evt); - void (*hook_evt_push_before)(void *closure, const char *evt); - void (*hook_evt_push_after)(void *closure, const char *evt, int result); - void (*hook_evt_broadcast_before)(void *closure, const char *evt); - void (*hook_evt_broadcast_after)(void *closure, const char *evt, int result); - void (*hook_evt_drop)(void *closure, const char *evt); - void (*hook_evt_name)(void *closure, const char *evt); -}; - -extern void afb_hook_evt_create(const char *evt); -extern void afb_hook_evt_push_before(const char *evt); -extern int afb_hook_evt_push_after(const char *evt, int result); -extern void afb_hook_evt_broadcast_before(const char *evt); -extern int afb_hook_evt_broadcast_after(const char *evt, int result); -extern void afb_hook_evt_drop(const char *evt); -extern void afb_hook_evt_name(const char *evt); - -extern int afb_hook_flags_evt(const char *name); -extern struct afb_hook_evt *afb_hook_create_evt(const char *name, int flags, struct afb_hook_evt_itf *itf, void *closure); -extern struct afb_hook_evt *afb_hook_addref_evt(struct afb_hook_evt *hook); -extern void afb_hook_unref_evt(struct afb_hook_evt *hook); -#endif