#include <pthread.h>
#include <unistd.h>
#include <fnmatch.h>
+#include <sys/uio.h>
#include <json-c/json.h>
-#include <afb/afb-req-itf.h>
-#include <afb/afb-event-itf.h>
+#include <afb/afb-req.h>
+#include <afb/afb-event.h>
#include "afb-context.h"
#include "afb-hook.h"
#include "afb-session.h"
#include "afb-cred.h"
#include "afb-xreq.h"
-#include "afb-ditf.h"
-#include "afb-svc.h"
+#include "afb-export.h"
#include "afb-evt.h"
+#include "afb-api.h"
#include "verbose.h"
/**
};
/**
- * Definition of a hook for ditf
+ * Definition of a hook for export
*/
struct afb_hook_ditf {
struct afb_hook_ditf *next; /**< next hook */
};
/**
- * Definition of a hook for svc
+ * Definition of a hook for export
*/
struct afb_hook_svc {
struct afb_hook_svc *next; /**< next hook */
void *closure; /**< closure for callbacks */
};
+/**
+ * Definition of a hook for global
+ */
+struct afb_hook_global {
+ struct afb_hook_global *next; /**< next hook */
+ unsigned refcount; /**< reference count */
+ unsigned flags; /**< hook flags */
+ struct afb_hook_global_itf *itf; /**< interface of hook */
+ void *closure; /**< closure for callbacks */
+};
+
/* synchronisation across threads */
static pthread_rwlock_t rwlock = PTHREAD_RWLOCK_INITIALIZER;
/* list of hooks for xreq */
static struct afb_hook_xreq *list_of_xreq_hooks = NULL;
-/* list of hooks for ditf */
+/* list of hooks for export */
static struct afb_hook_ditf *list_of_ditf_hooks = NULL;
-/* list of hooks for svc */
+/* list of hooks for export */
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;
+/* list of hooks for global */
+static struct afb_hook_global *list_of_global_hooks = NULL;
+
+/* hook id */
+static unsigned next_hookid = 0;
+
+/******************************************************************************
+ * section: hook id
+ *****************************************************************************/
+static void init_hookid(struct afb_hookid *hookid)
+{
+ hookid->id = __atomic_add_fetch(&next_hookid, 1, __ATOMIC_RELAXED);
+ clock_gettime(CLOCK_MONOTONIC, &hookid->time);
+}
+
/******************************************************************************
* section: default callbacks for tracing requests
*****************************************************************************/
-static char *_pbuf_(const char *fmt, va_list args, char **palloc, char *sbuf, size_t szsbuf)
+static char *_pbuf_(const char *fmt, va_list args, char **palloc, char *sbuf, size_t szsbuf, size_t *outlen)
{
int rc;
va_list cp;
sbuf = *palloc;
}
va_end(cp);
+ if (rc >= 0 && outlen)
+ *outlen = (size_t)rc;
return sbuf;
}
+#if 0 /* old behaviour: use NOTICE */
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);
+ data = _pbuf_(fmt2, arg2, &mem2, buf2, sizeof buf2, NULL);
va_start(arg1, arg2);
- tag = _pbuf_(fmt1, arg1, &mem1, buf1, sizeof buf1);
+ tag = _pbuf_(fmt1, arg1, &mem1, buf1, sizeof buf1, NULL);
va_end(arg1);
NOTICE("[HOOK %s] %s", tag, data);
free(mem1);
free(mem2);
}
+#else /* new behaviour: emits directly to stderr */
+static void _hook_(const char *fmt1, const char *fmt2, va_list arg2, ...)
+{
+ static const char chars[] = "HOOK: [] \n";
+ char *mem1, *mem2, buf1[256], buf2[2000];
+ struct iovec iov[5];
+ va_list arg1;
+
+ iov[0].iov_base = (void*)&chars[0];
+ iov[0].iov_len = 7;
+
+ va_start(arg1, arg2);
+ iov[1].iov_base = _pbuf_(fmt1, arg1, &mem1, buf1, sizeof buf1, &iov[1].iov_len);
+ va_end(arg1);
+
+ iov[2].iov_base = (void*)&chars[7];
+ iov[2].iov_len = 2;
+
+ iov[3].iov_base = _pbuf_(fmt2, arg2, &mem2, buf2, sizeof buf2, &iov[3].iov_len);
+
+ iov[4].iov_base = (void*)&chars[9];
+ iov[4].iov_len = 1;
+
+ writev(2, iov, 5);
+
+ free(mem1);
+ free(mem2);
+}
+#endif
static void _hook_xreq_(const struct afb_xreq *xreq, const char *format, ...)
{
va_list ap;
va_start(ap, format);
- _hook_("xreq-%06d:%s/%s", format, ap, xreq->hookindex, xreq->api, xreq->verb);
+ _hook_("xreq-%06d:%s/%s", format, ap, xreq->hookindex, xreq->request.api, xreq->request.verb);
va_end(ap);
}
-static void hook_xreq_begin_default_cb(void * closure, const struct afb_xreq *xreq)
+static void hook_xreq_begin_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_xreq *xreq)
{
if (!xreq->cred)
_hook_xreq_(xreq, "BEGIN");
);
}
-static void hook_xreq_end_default_cb(void * closure, const struct afb_xreq *xreq)
+static void hook_xreq_end_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_xreq *xreq)
{
_hook_xreq_(xreq, "END");
}
-static void hook_xreq_json_default_cb(void * closure, const struct afb_xreq *xreq, struct json_object *obj)
+static void hook_xreq_json_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_xreq *xreq, struct json_object *obj)
{
_hook_xreq_(xreq, "json() -> %s", json_object_to_json_string(obj));
}
-static void hook_xreq_get_default_cb(void * closure, const struct afb_xreq *xreq, const char *name, struct afb_arg arg)
+static void hook_xreq_get_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_xreq *xreq, const char *name, struct afb_arg arg)
{
_hook_xreq_(xreq, "get(%s) -> { name: %s, value: %s, path: %s }", name, arg.name, arg.value, arg.path);
}
-static void hook_xreq_success_default_cb(void * closure, const struct afb_xreq *xreq, struct json_object *obj, const char *info)
+static void hook_xreq_success_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_xreq *xreq, struct json_object *obj, const char *info)
{
_hook_xreq_(xreq, "success(%s, %s)", json_object_to_json_string(obj), info);
}
-static void hook_xreq_fail_default_cb(void * closure, const struct afb_xreq *xreq, const char *status, const char *info)
+static void hook_xreq_fail_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_xreq *xreq, const char *status, const char *info)
{
_hook_xreq_(xreq, "fail(%s, %s)", status, info);
}
-static void hook_xreq_context_get_default_cb(void * closure, const struct afb_xreq *xreq, void *value)
+static void hook_xreq_context_get_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_xreq *xreq, void *value)
{
_hook_xreq_(xreq, "context_get() -> %p", value);
}
-static void hook_xreq_context_set_default_cb(void * closure, const struct afb_xreq *xreq, void *value, void (*free_value)(void*))
+static void hook_xreq_context_set_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_xreq *xreq, void *value, void (*free_value)(void*))
{
_hook_xreq_(xreq, "context_set(%p, %p)", value, free_value);
}
-static void hook_xreq_addref_default_cb(void * closure, const struct afb_xreq *xreq)
+static void hook_xreq_addref_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_xreq *xreq)
{
_hook_xreq_(xreq, "addref()");
}
-static void hook_xreq_unref_default_cb(void * closure, const struct afb_xreq *xreq)
+static void hook_xreq_unref_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_xreq *xreq)
{
_hook_xreq_(xreq, "unref()");
}
-static void hook_xreq_session_close_default_cb(void * closure, const struct afb_xreq *xreq)
+static void hook_xreq_session_close_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_xreq *xreq)
{
_hook_xreq_(xreq, "session_close()");
}
-static void hook_xreq_session_set_LOA_default_cb(void * closure, const struct afb_xreq *xreq, unsigned level, int result)
+static void hook_xreq_session_set_LOA_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_xreq *xreq, unsigned level, int result)
{
_hook_xreq_(xreq, "session_set_LOA(%u) -> %d", level, result);
}
-static void hook_xreq_subscribe_default_cb(void * closure, const struct afb_xreq *xreq, struct afb_event event, int result)
+static void hook_xreq_subscribe_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_xreq *xreq, struct afb_eventid *eventid, int result)
{
- _hook_xreq_(xreq, "subscribe(%s:%d) -> %d", afb_evt_event_name(event), afb_evt_event_id(event), result);
+ _hook_xreq_(xreq, "subscribe(%s:%d) -> %d", afb_evt_eventid_fullname(eventid), afb_evt_eventid_id(eventid), result);
}
-static void hook_xreq_unsubscribe_default_cb(void * closure, const struct afb_xreq *xreq, struct afb_event event, int result)
+static void hook_xreq_unsubscribe_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_xreq *xreq, struct afb_eventid *eventid, int result)
{
- _hook_xreq_(xreq, "unsubscribe(%s:%d) -> %d", afb_evt_event_name(event), afb_evt_event_id(event), result);
+ _hook_xreq_(xreq, "unsubscribe(%s:%d) -> %d", afb_evt_eventid_fullname(eventid), afb_evt_eventid_id(eventid), result);
}
-static void hook_xreq_subcall_default_cb(void * closure, const struct afb_xreq *xreq, const char *api, const char *verb, struct json_object *args)
+static void hook_xreq_subcall_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_xreq *xreq, const char *api, const char *verb, struct json_object *args)
{
_hook_xreq_(xreq, "subcall(%s/%s, %s) ...", api, verb, json_object_to_json_string(args));
}
-static void hook_xreq_subcall_result_default_cb(void * closure, const struct afb_xreq *xreq, int status, struct json_object *result)
+static void hook_xreq_subcall_result_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_xreq *xreq, int status, struct json_object *result)
{
_hook_xreq_(xreq, " ...subcall... -> %d: %s", status, json_object_to_json_string(result));
}
-static void hook_xreq_subcallsync_default_cb(void * closure, const struct afb_xreq *xreq, const char *api, const char *verb, struct json_object *args)
+static void hook_xreq_subcallsync_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_xreq *xreq, const char *api, const char *verb, struct json_object *args)
{
_hook_xreq_(xreq, "subcallsync(%s/%s, %s) ...", api, verb, json_object_to_json_string(args));
}
-static void hook_xreq_subcallsync_result_default_cb(void * closure, const struct afb_xreq *xreq, int status, struct json_object *result)
+static void hook_xreq_subcallsync_result_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_xreq *xreq, int status, struct json_object *result)
{
_hook_xreq_(xreq, " ...subcallsync... -> %d: %s", status, json_object_to_json_string(result));
}
-static void hook_xreq_vverbose_default_cb(void * closure, const struct afb_xreq *xreq, int level, const char *file, int line, const char *func, const char *fmt, va_list args)
+static void hook_xreq_vverbose_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_xreq *xreq, int level, const char *file, int line, const char *func, const char *fmt, va_list args)
{
int len;
char *msg;
}
}
+static void hook_xreq_store_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_xreq *xreq, struct afb_stored_req *sreq)
+{
+ _hook_xreq_(xreq, "store() -> %p", sreq);
+}
+
+static void hook_xreq_unstore_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_xreq *xreq)
+{
+ _hook_xreq_(xreq, "unstore()");
+}
+
+static void hook_xreq_subcall_req_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_xreq *xreq, const char *api, const char *verb, struct json_object *args)
+{
+ _hook_xreq_(xreq, "subcall_req(%s/%s, %s) ...", api, verb, json_object_to_json_string(args));
+}
+
+static void hook_xreq_subcall_req_result_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_xreq *xreq, int status, struct json_object *result)
+{
+ _hook_xreq_(xreq, " ...subcall_req... -> %d: %s", status, json_object_to_json_string(result));
+}
+
+static void hook_xreq_has_permission_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_xreq *xreq, const char *permission, int result)
+{
+ _hook_xreq_(xreq, "has_permission(%s) -> %d", permission, result);
+}
+
+static void hook_xreq_get_application_id_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_xreq *xreq, char *result)
+{
+ _hook_xreq_(xreq, "get_application_id() -> %s", result);
+}
+
+static void hook_xreq_context_make_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_xreq *xreq, int replace, void *(*create_value)(void*), void (*free_value)(void*), void *create_closure, void *result)
+{
+ _hook_xreq_(xreq, "context_make(replace=%s, %p, %p, %p) -> %p", replace?"yes":"no", create_value, free_value, create_closure, result);
+}
+
+static void hook_xreq_get_uid_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_xreq *xreq, int result)
+{
+ _hook_xreq_(xreq, "get_uid() -> %d", result);
+}
+
static struct afb_hook_xreq_itf hook_xreq_default_itf = {
.hook_xreq_begin = hook_xreq_begin_default_cb,
.hook_xreq_end = hook_xreq_end_default_cb,
.hook_xreq_subcall_result = hook_xreq_subcall_result_default_cb,
.hook_xreq_subcallsync = hook_xreq_subcallsync_default_cb,
.hook_xreq_subcallsync_result = hook_xreq_subcallsync_result_default_cb,
- .hook_xreq_vverbose = hook_xreq_vverbose_default_cb
+ .hook_xreq_vverbose = hook_xreq_vverbose_default_cb,
+ .hook_xreq_store = hook_xreq_store_default_cb,
+ .hook_xreq_unstore = hook_xreq_unstore_default_cb,
+ .hook_xreq_subcall_req = hook_xreq_subcall_req_default_cb,
+ .hook_xreq_subcall_req_result = hook_xreq_subcall_req_result_default_cb,
+ .hook_xreq_has_permission = hook_xreq_has_permission_default_cb,
+ .hook_xreq_get_application_id = hook_xreq_get_application_id_default_cb,
+ .hook_xreq_context_make = hook_xreq_context_make_default_cb,
+ .hook_xreq_get_uid = hook_xreq_get_uid_default_cb,
};
/******************************************************************************
#define _HOOK_XREQ_(what,...) \
struct afb_hook_xreq *hook; \
+ struct afb_hookid hookid; \
pthread_rwlock_rdlock(&rwlock); \
+ init_hookid(&hookid); \
hook = list_of_xreq_hooks; \
while (hook) { \
if (hook->itf->hook_xreq_##what \
&& (hook->flags & afb_hook_flag_req_##what) != 0 \
&& (!hook->session || hook->session == xreq->context.session) \
- && (!hook->api || !strcasecmp(hook->api, xreq->api)) \
- && (!hook->verb || !strcasecmp(hook->verb, xreq->verb))) { \
- hook->itf->hook_xreq_##what(hook->closure, __VA_ARGS__); \
+ && (!hook->api || !strcasecmp(hook->api, xreq->request.api)) \
+ && (!hook->verb || !strcasecmp(hook->verb, xreq->request.verb))) { \
+ hook->itf->hook_xreq_##what(hook->closure, &hookid, __VA_ARGS__); \
} \
hook = hook->next; \
} \
return result;
}
-int afb_hook_xreq_subscribe(const struct afb_xreq *xreq, struct afb_event event, int result)
+int afb_hook_xreq_subscribe(const struct afb_xreq *xreq, struct afb_eventid *eventid, int result)
{
- _HOOK_XREQ_(subscribe, xreq, event, result);
+ _HOOK_XREQ_(subscribe, xreq, eventid, result);
return result;
}
-int afb_hook_xreq_unsubscribe(const struct afb_xreq *xreq, struct afb_event event, int result)
+int afb_hook_xreq_unsubscribe(const struct afb_xreq *xreq, struct afb_eventid *eventid, int result)
{
- _HOOK_XREQ_(unsubscribe, xreq, event, result);
+ _HOOK_XREQ_(unsubscribe, xreq, eventid, result);
return result;
}
_HOOK_XREQ_(vverbose, xreq, level, file ?: "?", line, func ?: "?", fmt, args);
}
+void afb_hook_xreq_store(const struct afb_xreq *xreq, struct afb_stored_req *sreq)
+{
+ _HOOK_XREQ_(store, xreq, sreq);
+}
+
+void afb_hook_xreq_unstore(const struct afb_xreq *xreq)
+{
+ _HOOK_XREQ_(unstore, xreq);
+}
+
+void afb_hook_xreq_subcall_req(const struct afb_xreq *xreq, const char *api, const char *verb, struct json_object *args)
+{
+ _HOOK_XREQ_(subcall_req, xreq, api, verb, args);
+}
+
+void afb_hook_xreq_subcall_req_result(const struct afb_xreq *xreq, int status, struct json_object *result)
+{
+ _HOOK_XREQ_(subcall_req_result, xreq, status, result);
+}
+
+int afb_hook_xreq_has_permission(const struct afb_xreq *xreq, const char *permission, int result)
+{
+ _HOOK_XREQ_(has_permission, xreq, permission, result);
+ return result;
+}
+
+char *afb_hook_xreq_get_application_id(const struct afb_xreq *xreq, char *result)
+{
+ _HOOK_XREQ_(get_application_id, xreq, result);
+ return result;
+}
+
+void *afb_hook_xreq_context_make(const struct afb_xreq *xreq, int replace, void *(*create_value)(void*), void (*free_value)(void*), void *create_closure, void *result)
+{
+ _HOOK_XREQ_(context_make, xreq, replace, create_value, free_value, create_closure, result);
+ return result;
+}
+
+int afb_hook_xreq_get_uid(const struct afb_xreq *xreq, int result)
+{
+ _HOOK_XREQ_(get_uid, xreq, result);
+ return result;
+}
+
/******************************************************************************
* section: hooking xreqs
*****************************************************************************/
/* scan hook list to get the expected flags */
flags = 0;
- pthread_rwlock_rdlock(&rwlock);
- hook = list_of_xreq_hooks;
- while (hook) {
- f = hook->flags & afb_hook_flags_req_all;
- add = f != 0
- && (!hook->session || hook->session == xreq->context.session)
- && (!hook->api || !strcasecmp(hook->api, xreq->api))
- && (!hook->verb || !strcasecmp(hook->verb, xreq->verb));
- if (add)
- flags |= f;
- hook = hook->next;
+ if (afb_api_is_hookable(xreq->request.api)) {
+ pthread_rwlock_rdlock(&rwlock);
+ hook = list_of_xreq_hooks;
+ while (hook) {
+ f = hook->flags & afb_hook_flags_req_all;
+ add = f != 0
+ && (!hook->session || hook->session == xreq->context.session)
+ && (!hook->api || !strcasecmp(hook->api, xreq->request.api))
+ && (!hook->verb || !strcasecmp(hook->verb, xreq->request.verb));
+ if (add)
+ flags |= f;
+ hook = hook->next;
+ }
+ pthread_rwlock_unlock(&rwlock);
}
- pthread_rwlock_unlock(&rwlock);
/* store the hooking data */
xreq->hookflags = flags;
* section: default callbacks for tracing daemon interface
*****************************************************************************/
-static void _hook_ditf_(const struct afb_ditf *ditf, const char *format, ...)
+static void _hook_ditf_(const struct afb_export *export, const char *format, ...)
{
va_list ap;
va_start(ap, format);
- _hook_("ditf-%s", format, ap, ditf->api);
+ _hook_("export-%s", format, ap, afb_export_apiname(export));
va_end(ap);
}
-static void hook_ditf_event_broadcast_before_cb(void *closure, const struct afb_ditf *ditf, const char *name, struct json_object *object)
+static void hook_ditf_event_broadcast_before_cb(void *closure, const struct afb_hookid *hookid, const struct afb_export *export, const char *name, struct json_object *object)
{
- _hook_ditf_(ditf, "event_broadcast.before(%s, %s)....", name, json_object_to_json_string(object));
+ _hook_ditf_(export, "event_broadcast.before(%s, %s)....", name, json_object_to_json_string(object));
}
-static void hook_ditf_event_broadcast_after_cb(void *closure, const struct afb_ditf *ditf, const char *name, struct json_object *object, int result)
+static void hook_ditf_event_broadcast_after_cb(void *closure, const struct afb_hookid *hookid, const struct afb_export *export, const char *name, struct json_object *object, int result)
{
- _hook_ditf_(ditf, "event_broadcast.after(%s, %s) -> %d", name, json_object_to_json_string(object), result);
+ _hook_ditf_(export, "event_broadcast.after(%s, %s) -> %d", name, json_object_to_json_string(object), result);
}
-static void hook_ditf_get_event_loop_cb(void *closure, const struct afb_ditf *ditf, struct sd_event *result)
+static void hook_ditf_get_event_loop_cb(void *closure, const struct afb_hookid *hookid, const struct afb_export *export, struct sd_event *result)
{
- _hook_ditf_(ditf, "get_event_loop() -> %p", result);
+ _hook_ditf_(export, "get_event_loop() -> %p", result);
}
-static void hook_ditf_get_user_bus_cb(void *closure, const struct afb_ditf *ditf, struct sd_bus *result)
+static void hook_ditf_get_user_bus_cb(void *closure, const struct afb_hookid *hookid, const struct afb_export *export, struct sd_bus *result)
{
- _hook_ditf_(ditf, "get_user_bus() -> %p", result);
+ _hook_ditf_(export, "get_user_bus() -> %p", result);
}
-static void hook_ditf_get_system_bus_cb(void *closure, const struct afb_ditf *ditf, struct sd_bus *result)
+static void hook_ditf_get_system_bus_cb(void *closure, const struct afb_hookid *hookid, const struct afb_export *export, struct sd_bus *result)
{
- _hook_ditf_(ditf, "get_system_bus() -> %p", result);
+ _hook_ditf_(export, "get_system_bus() -> %p", result);
}
-static void hook_ditf_vverbose_cb(void*closure, const struct afb_ditf *ditf, int level, const char *file, int line, const char *function, const char *fmt, va_list args)
+static void hook_ditf_vverbose_cb(void *closure, const struct afb_hookid *hookid, const struct afb_export *export, int level, const char *file, int line, const char *function, const char *fmt, va_list args)
{
int len;
char *msg;
va_end(ap);
if (len < 0)
- _hook_ditf_(ditf, "vverbose(%d, %s, %d, %s) -> %s ? ? ?", level, file, line, function, fmt);
+ _hook_ditf_(export, "vverbose(%d, %s, %d, %s) -> %s ? ? ?", level, file, line, function, fmt);
else {
- _hook_ditf_(ditf, "vverbose(%d, %s, %d, %s) -> %s", level, file, line, function, msg);
+ _hook_ditf_(export, "vverbose(%d, %s, %d, %s) -> %s", level, file, line, function, msg);
free(msg);
}
}
-static void hook_ditf_event_make_cb(void *closure, const struct afb_ditf *ditf, const char *name, struct afb_event result)
+static void hook_ditf_event_make_cb(void *closure, const struct afb_hookid *hookid, const struct afb_export *export, const char *name, struct afb_eventid *result)
{
- _hook_ditf_(ditf, "event_make(%s) -> %s:%d", name, afb_evt_event_name(result), afb_evt_event_id(result));
+ _hook_ditf_(export, "event_make(%s) -> %s:%d", name, afb_evt_eventid_fullname(result), afb_evt_eventid_id(result));
}
-static void hook_ditf_rootdir_get_fd_cb(void *closure, const struct afb_ditf *ditf, int result)
+static void hook_ditf_rootdir_get_fd_cb(void *closure, const struct afb_hookid *hookid, const struct afb_export *export, int result)
{
char path[PATH_MAX];
if (result < 0)
- _hook_ditf_(ditf, "rootdir_get_fd() -> %d, %m", result);
+ _hook_ditf_(export, "rootdir_get_fd() -> %d, %m", result);
else {
sprintf(path, "/proc/self/fd/%d", result);
readlink(path, path, sizeof path);
- _hook_ditf_(ditf, "rootdir_get_fd() -> %d = %s", result, path);
+ _hook_ditf_(export, "rootdir_get_fd() -> %d = %s", result, path);
}
}
-static void hook_ditf_rootdir_open_locale_cb(void *closure, const struct afb_ditf *ditf, const char *filename, int flags, const char *locale, int result)
+static void hook_ditf_rootdir_open_locale_cb(void *closure, const struct afb_hookid *hookid, const struct afb_export *export, const char *filename, int flags, const char *locale, int result)
{
char path[PATH_MAX];
if (!locale)
locale = "(null)";
if (result < 0)
- _hook_ditf_(ditf, "rootdir_open_locale(%s, %d, %s) -> %d, %m", filename, flags, locale, result);
+ _hook_ditf_(export, "rootdir_open_locale(%s, %d, %s) -> %d, %m", filename, flags, locale, result);
else {
sprintf(path, "/proc/self/fd/%d", result);
readlink(path, path, sizeof path);
- _hook_ditf_(ditf, "rootdir_open_locale(%s, %d, %s) -> %d = %s", filename, flags, locale, result, path);
+ _hook_ditf_(export, "rootdir_open_locale(%s, %d, %s) -> %d = %s", filename, flags, locale, result, path);
}
}
-static void hook_ditf_queue_job(void *closure, const struct afb_ditf *ditf, void (*callback)(int signum, void *arg), void *argument, void *group, int timeout, int result)
+static void hook_ditf_queue_job_cb(void *closure, const struct afb_hookid *hookid, const struct afb_export *export, void (*callback)(int signum, void *arg), void *argument, void *group, int timeout, int result)
+{
+ _hook_ditf_(export, "queue_job(%p, %p, %p, %d) -> %d", callback, argument, group, timeout, result);
+}
+
+static void hook_ditf_unstore_req_cb(void *closure, const struct afb_hookid *hookid, const struct afb_export *export, struct afb_stored_req *sreq)
{
- _hook_ditf_(ditf, "queue_job(%p, %p, %p, %d) -> %d", callback, argument, group, timeout, result);
+ _hook_ditf_(export, "unstore_req(%p)", sreq);
+}
+
+static void hook_ditf_require_api_cb(void *closure, const struct afb_hookid *hookid, const struct afb_export *export, const char *name, int initialized)
+{
+ _hook_ditf_(export, "require_api(%s, %d)...", name, initialized);
+}
+
+static void hook_ditf_require_api_result_cb(void *closure, const struct afb_hookid *hookid, const struct afb_export *export, const char *name, int initialized, int result)
+{
+ _hook_ditf_(export, "...require_api(%s, %d) -> %d", name, initialized, result);
+}
+
+static void hook_ditf_rename_api_cb(void *closure, const struct afb_hookid *hookid, const struct afb_export *export, const char *oldname, const char *newname, int result)
+{
+ _hook_ditf_(export, "rename_api(%s -> %s) -> %d", oldname, newname, result);
}
static struct afb_hook_ditf_itf hook_ditf_default_itf = {
.hook_ditf_event_make = hook_ditf_event_make_cb,
.hook_ditf_rootdir_get_fd = hook_ditf_rootdir_get_fd_cb,
.hook_ditf_rootdir_open_locale = hook_ditf_rootdir_open_locale_cb,
- .hook_ditf_queue_job = hook_ditf_queue_job
+ .hook_ditf_queue_job = hook_ditf_queue_job_cb,
+ .hook_ditf_unstore_req = hook_ditf_unstore_req_cb,
+ .hook_ditf_require_api = hook_ditf_require_api_cb,
+ .hook_ditf_require_api_result = hook_ditf_require_api_result_cb,
+ .hook_ditf_rename_api = hook_ditf_rename_api_cb
};
/******************************************************************************
- * section: hooks for tracing daemon interface (ditf)
+ * section: hooks for tracing daemon interface (export)
*****************************************************************************/
#define _HOOK_DITF_(what,...) \
struct afb_hook_ditf *hook; \
+ struct afb_hookid hookid; \
+ const char *apiname = afb_export_apiname(export); \
pthread_rwlock_rdlock(&rwlock); \
+ init_hookid(&hookid); \
hook = list_of_ditf_hooks; \
while (hook) { \
if (hook->itf->hook_ditf_##what \
&& (hook->flags & afb_hook_flag_ditf_##what) != 0 \
- && (!hook->api || !strcasecmp(hook->api, ditf->api))) { \
- hook->itf->hook_ditf_##what(hook->closure, __VA_ARGS__); \
+ && (!hook->api || !strcasecmp(hook->api, apiname))) { \
+ hook->itf->hook_ditf_##what(hook->closure, &hookid, __VA_ARGS__); \
} \
hook = hook->next; \
} \
pthread_rwlock_unlock(&rwlock);
-void afb_hook_ditf_event_broadcast_before(const struct afb_ditf *ditf, const char *name, struct json_object *object)
+void afb_hook_ditf_event_broadcast_before(const struct afb_export *export, const char *name, struct json_object *object)
{
- _HOOK_DITF_(event_broadcast_before, ditf, name, object);
+ _HOOK_DITF_(event_broadcast_before, export, name, object);
}
-int afb_hook_ditf_event_broadcast_after(const struct afb_ditf *ditf, const char *name, struct json_object *object, int result)
+int afb_hook_ditf_event_broadcast_after(const struct afb_export *export, const char *name, struct json_object *object, int result)
{
- _HOOK_DITF_(event_broadcast_after, ditf, name, object, result);
+ _HOOK_DITF_(event_broadcast_after, export, name, object, result);
return result;
}
-struct sd_event *afb_hook_ditf_get_event_loop(const struct afb_ditf *ditf, struct sd_event *result)
+struct sd_event *afb_hook_ditf_get_event_loop(const struct afb_export *export, struct sd_event *result)
{
- _HOOK_DITF_(get_event_loop, ditf, result);
+ _HOOK_DITF_(get_event_loop, export, result);
return result;
}
-struct sd_bus *afb_hook_ditf_get_user_bus(const struct afb_ditf *ditf, struct sd_bus *result)
+struct sd_bus *afb_hook_ditf_get_user_bus(const struct afb_export *export, struct sd_bus *result)
{
- _HOOK_DITF_(get_user_bus, ditf, result);
+ _HOOK_DITF_(get_user_bus, export, result);
return result;
}
-struct sd_bus *afb_hook_ditf_get_system_bus(const struct afb_ditf *ditf, struct sd_bus *result)
+struct sd_bus *afb_hook_ditf_get_system_bus(const struct afb_export *export, struct sd_bus *result)
+{
+ _HOOK_DITF_(get_system_bus, export, result);
+ return result;
+}
+
+void afb_hook_ditf_vverbose(const struct afb_export *export, int level, const char *file, int line, const char *function, const char *fmt, va_list args)
+{
+ _HOOK_DITF_(vverbose, export, level, file, line, function, fmt, args);
+}
+
+struct afb_eventid *afb_hook_ditf_event_make(const struct afb_export *export, const char *name, struct afb_eventid *result)
{
- _HOOK_DITF_(get_system_bus, ditf, result);
+ _HOOK_DITF_(event_make, export, name, result);
return result;
}
-void afb_hook_ditf_vverbose(const struct afb_ditf *ditf, int level, const char *file, int line, const char *function, const char *fmt, va_list args)
+int afb_hook_ditf_rootdir_get_fd(const struct afb_export *export, int result)
{
- _HOOK_DITF_(vverbose, ditf, level, file, line, function, fmt, args);
+ _HOOK_DITF_(rootdir_get_fd, export, result);
+ return result;
}
-struct afb_event afb_hook_ditf_event_make(const struct afb_ditf *ditf, const char *name, struct afb_event result)
+int afb_hook_ditf_rootdir_open_locale(const struct afb_export *export, const char *filename, int flags, const char *locale, int result)
{
- _HOOK_DITF_(event_make, ditf, name, result);
+ _HOOK_DITF_(rootdir_open_locale, export, filename, flags, locale, result);
return result;
}
-int afb_hook_ditf_rootdir_get_fd(const struct afb_ditf *ditf, int result)
+int afb_hook_ditf_queue_job(const struct afb_export *export, void (*callback)(int signum, void *arg), void *argument, void *group, int timeout, int result)
{
- _HOOK_DITF_(rootdir_get_fd, ditf, result);
+ _HOOK_DITF_(queue_job, export, callback, argument, group, timeout, result);
return result;
}
-int afb_hook_ditf_rootdir_open_locale(const struct afb_ditf *ditf, const char *filename, int flags, const char *locale, int result)
+void afb_hook_ditf_unstore_req(const struct afb_export *export, struct afb_stored_req *sreq)
+{
+ _HOOK_DITF_(unstore_req, export, sreq);
+}
+
+void afb_hook_ditf_require_api(const struct afb_export *export, const char *name, int initialized)
+{
+ _HOOK_DITF_(require_api, export, name, initialized);
+}
+
+int afb_hook_ditf_require_api_result(const struct afb_export *export, const char *name, int initialized, int result)
{
- _HOOK_DITF_(rootdir_open_locale, ditf, filename, flags, locale, result);
+ _HOOK_DITF_(require_api_result, export, name, initialized, result);
return result;
}
-int afb_hook_ditf_queue_job(const struct afb_ditf *ditf, void (*callback)(int signum, void *arg), void *argument, void *group, int timeout, int result)
+int afb_hook_ditf_rename_api(const struct afb_export *export, const char *oldname, const char *newname, int result)
{
- _HOOK_DITF_(queue_job, ditf, callback, argument, group, timeout, result);
+ _HOOK_DITF_(rename_api, export, oldname, newname, result);
return result;
}
/******************************************************************************
- * section: hooking ditf
+ * section: hooking export
*****************************************************************************/
int afb_hook_flags_ditf(const char *api)
int flags;
struct afb_hook_ditf *hook;
- pthread_rwlock_rdlock(&rwlock);
flags = 0;
- hook = list_of_ditf_hooks;
- while (hook) {
- if (!api || !hook->api || !strcasecmp(hook->api, api))
- flags |= hook->flags;
- hook = hook->next;
+ if (!api || afb_api_is_hookable(api)) {
+ pthread_rwlock_rdlock(&rwlock);
+ hook = list_of_ditf_hooks;
+ while (hook) {
+ if (!api || !hook->api || !strcasecmp(hook->api, api))
+ flags |= hook->flags;
+ hook = hook->next;
+ }
+ pthread_rwlock_unlock(&rwlock);
}
- pthread_rwlock_unlock(&rwlock);
return flags;
}
}
/******************************************************************************
- * section: default callbacks for tracing service interface (svc)
+ * section: default callbacks for tracing service interface (export)
*****************************************************************************/
-static void _hook_svc_(const struct afb_svc *svc, const char *format, ...)
+static void _hook_svc_(const struct afb_export *export, const char *format, ...)
{
va_list ap;
va_start(ap, format);
- _hook_("svc-%s", format, ap, svc->api);
+ _hook_("export-%s", format, ap, afb_export_apiname(export));
va_end(ap);
}
-static void hook_svc_start_before_default_cb(void *closure, const struct afb_svc *svc)
+static void hook_svc_start_before_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_export *export)
{
- _hook_svc_(svc, "start.before");
+ _hook_svc_(export, "start.before");
}
-static void hook_svc_start_after_default_cb(void *closure, const struct afb_svc *svc, int status)
+static void hook_svc_start_after_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_export *export, int status)
{
- _hook_svc_(svc, "start.after -> %d", status);
+ _hook_svc_(export, "start.after -> %d", status);
}
-static void hook_svc_on_event_before_default_cb(void *closure, const struct afb_svc *svc, const char *event, int eventid, struct json_object *object)
+static void hook_svc_on_event_before_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_export *export, const char *event, int eventid, struct json_object *object)
{
- _hook_svc_(svc, "on_event.before(%s, %d, %s)", event, eventid, json_object_to_json_string(object));
+ _hook_svc_(export, "on_event.before(%s, %d, %s)", event, eventid, json_object_to_json_string(object));
}
-static void hook_svc_on_event_after_default_cb(void *closure, const struct afb_svc *svc, const char *event, int eventid, struct json_object *object)
+static void hook_svc_on_event_after_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_export *export, const char *event, int eventid, struct json_object *object)
{
- _hook_svc_(svc, "on_event.after(%s, %d, %s)", event, eventid, json_object_to_json_string(object));
+ _hook_svc_(export, "on_event.after(%s, %d, %s)", event, eventid, json_object_to_json_string(object));
}
-static void hook_svc_call_default_cb(void *closure, const struct afb_svc *svc, const char *api, const char *verb, struct json_object *args)
+static void hook_svc_call_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_export *export, const char *api, const char *verb, struct json_object *args)
{
- _hook_svc_(svc, "call(%s/%s, %s) ...", api, verb, json_object_to_json_string(args));
+ _hook_svc_(export, "call(%s/%s, %s) ...", api, verb, json_object_to_json_string(args));
}
-static void hook_svc_call_result_default_cb(void *closure, const struct afb_svc *svc, int status, struct json_object *result)
+static void hook_svc_call_result_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_export *export, int status, struct json_object *result)
{
- _hook_svc_(svc, " ...call... -> %d: %s", status, json_object_to_json_string(result));
+ _hook_svc_(export, " ...call... -> %d: %s", status, json_object_to_json_string(result));
}
-static void hook_svc_callsync_default_cb(void *closure, const struct afb_svc *svc, const char *api, const char *verb, struct json_object *args)
+static void hook_svc_callsync_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_export *export, const char *api, const char *verb, struct json_object *args)
{
- _hook_svc_(svc, "callsync(%s/%s, %s) ...", api, verb, json_object_to_json_string(args));
+ _hook_svc_(export, "callsync(%s/%s, %s) ...", api, verb, json_object_to_json_string(args));
}
-static void hook_svc_callsync_result_default_cb(void *closure, const struct afb_svc *svc, int status, struct json_object *result)
+static void hook_svc_callsync_result_default_cb(void *closure, const struct afb_hookid *hookid, const struct afb_export *export, int status, struct json_object *result)
{
- _hook_svc_(svc, " ...callsync... -> %d: %s", status, json_object_to_json_string(result));
+ _hook_svc_(export, " ...callsync... -> %d: %s", status, json_object_to_json_string(result));
}
static struct afb_hook_svc_itf hook_svc_default_itf = {
};
/******************************************************************************
- * section: hooks for tracing service interface (svc)
+ * section: hooks for tracing service interface (export)
*****************************************************************************/
#define _HOOK_SVC_(what,...) \
struct afb_hook_svc *hook; \
+ struct afb_hookid hookid; \
+ const char *apiname = afb_export_apiname(export); \
pthread_rwlock_rdlock(&rwlock); \
+ init_hookid(&hookid); \
hook = list_of_svc_hooks; \
while (hook) { \
if (hook->itf->hook_svc_##what \
&& (hook->flags & afb_hook_flag_svc_##what) != 0 \
- && (!hook->api || !strcasecmp(hook->api, svc->api))) { \
- hook->itf->hook_svc_##what(hook->closure, __VA_ARGS__); \
+ && (!hook->api || !strcasecmp(hook->api, apiname))) { \
+ hook->itf->hook_svc_##what(hook->closure, &hookid, __VA_ARGS__); \
} \
hook = hook->next; \
} \
pthread_rwlock_unlock(&rwlock);
-void afb_hook_svc_start_before(const struct afb_svc *svc)
+void afb_hook_svc_start_before(const struct afb_export *export)
{
- _HOOK_SVC_(start_before, svc);
+ _HOOK_SVC_(start_before, export);
}
-int afb_hook_svc_start_after(const struct afb_svc *svc, int status)
+int afb_hook_svc_start_after(const struct afb_export *export, int status)
{
- _HOOK_SVC_(start_after, svc, status);
+ _HOOK_SVC_(start_after, export, status);
return status;
}
-void afb_hook_svc_on_event_before(const struct afb_svc *svc, const char *event, int eventid, struct json_object *object)
+void afb_hook_svc_on_event_before(const struct afb_export *export, const char *event, int eventid, struct json_object *object)
{
- _HOOK_SVC_(on_event_before, svc, event, eventid, object);
+ _HOOK_SVC_(on_event_before, export, event, eventid, object);
}
-void afb_hook_svc_on_event_after(const struct afb_svc *svc, const char *event, int eventid, struct json_object *object)
+void afb_hook_svc_on_event_after(const struct afb_export *export, const char *event, int eventid, struct json_object *object)
{
- _HOOK_SVC_(on_event_after, svc, event, eventid, object);
+ _HOOK_SVC_(on_event_after, export, event, eventid, object);
}
-void afb_hook_svc_call(const struct afb_svc *svc, const char *api, const char *verb, struct json_object *args)
+void afb_hook_svc_call(const struct afb_export *export, const char *api, const char *verb, struct json_object *args)
{
- _HOOK_SVC_(call, svc, api, verb, args);
+ _HOOK_SVC_(call, export, api, verb, args);
}
-void afb_hook_svc_call_result(const struct afb_svc *svc, int status, struct json_object *result)
+void afb_hook_svc_call_result(const struct afb_export *export, int status, struct json_object *result)
{
- _HOOK_SVC_(call_result, svc, status, result);
+ _HOOK_SVC_(call_result, export, status, result);
}
-void afb_hook_svc_callsync(const struct afb_svc *svc, const char *api, const char *verb, struct json_object *args)
+void afb_hook_svc_callsync(const struct afb_export *export, const char *api, const char *verb, struct json_object *args)
{
- _HOOK_SVC_(callsync, svc, api, verb, args);
+ _HOOK_SVC_(callsync, export, api, verb, args);
}
-int afb_hook_svc_callsync_result(const struct afb_svc *svc, int status, struct json_object *result)
+int afb_hook_svc_callsync_result(const struct afb_export *export, int status, struct json_object *result)
{
- _HOOK_SVC_(callsync_result, svc, status, result);
+ _HOOK_SVC_(callsync_result, export, status, result);
return status;
}
/******************************************************************************
- * section: hooking services (svc)
+ * section: hooking services (export)
*****************************************************************************/
int afb_hook_flags_svc(const char *api)
int flags;
struct afb_hook_svc *hook;
- pthread_rwlock_rdlock(&rwlock);
flags = 0;
- hook = list_of_svc_hooks;
- while (hook) {
- if (!api || !hook->api || !strcasecmp(hook->api, api))
- flags |= hook->flags;
- hook = hook->next;
+ if (!api || afb_api_is_hookable(api)) {
+ pthread_rwlock_rdlock(&rwlock);
+ hook = list_of_svc_hooks;
+ while (hook) {
+ if (!api || !hook->api || !strcasecmp(hook->api, api))
+ flags |= hook->flags;
+ hook = hook->next;
+ }
+ pthread_rwlock_unlock(&rwlock);
}
- pthread_rwlock_unlock(&rwlock);
return flags;
}
va_end(ap);
}
-static void hook_evt_create_default_cb(void *closure, const char *evt, int id)
+static void hook_evt_create_default_cb(void *closure, const struct afb_hookid *hookid, const char *evt, int id)
{
_hook_evt_(evt, id, "create");
}
-static void hook_evt_push_before_default_cb(void *closure, const char *evt, int id, struct json_object *obj)
+static void hook_evt_push_before_default_cb(void *closure, const struct afb_hookid *hookid, const char *evt, int id, struct json_object *obj)
{
_hook_evt_(evt, id, "push.before(%s)", json_object_to_json_string(obj));
}
-static void hook_evt_push_after_default_cb(void *closure, const char *evt, int id, struct json_object *obj, int result)
+static void hook_evt_push_after_default_cb(void *closure, const struct afb_hookid *hookid, const char *evt, int id, struct json_object *obj, int result)
{
_hook_evt_(evt, id, "push.after(%s) -> %d", json_object_to_json_string(obj), result);
}
-static void hook_evt_broadcast_before_default_cb(void *closure, const char *evt, int id, struct json_object *obj)
+static void hook_evt_broadcast_before_default_cb(void *closure, const struct afb_hookid *hookid, const char *evt, int id, struct json_object *obj)
{
_hook_evt_(evt, id, "broadcast.before(%s)", json_object_to_json_string(obj));
}
-static void hook_evt_broadcast_after_default_cb(void *closure, const char *evt, int id, struct json_object *obj, int result)
+static void hook_evt_broadcast_after_default_cb(void *closure, const struct afb_hookid *hookid, const char *evt, int id, struct json_object *obj, int result)
{
_hook_evt_(evt, id, "broadcast.after(%s) -> %d", json_object_to_json_string(obj), result);
}
-static void hook_evt_name_default_cb(void *closure, const char *evt, int id)
+static void hook_evt_name_default_cb(void *closure, const struct afb_hookid *hookid, const char *evt, int id, const char *result)
+{
+ _hook_evt_(evt, id, "name -> %s", result);
+}
+
+static void hook_evt_addref_default_cb(void *closure, const struct afb_hookid *hookid, const char *evt, int id)
{
- _hook_evt_(evt, id, "name");
+ _hook_evt_(evt, id, "addref");
}
-static void hook_evt_drop_default_cb(void *closure, const char *evt, int id)
+static void hook_evt_unref_default_cb(void *closure, const struct afb_hookid *hookid, const char *evt, int id)
{
- _hook_evt_(evt, id, "drop");
+ _hook_evt_(evt, id, "unref");
}
static struct afb_hook_evt_itf hook_evt_default_itf = {
.hook_evt_broadcast_before = hook_evt_broadcast_before_default_cb,
.hook_evt_broadcast_after = hook_evt_broadcast_after_default_cb,
.hook_evt_name = hook_evt_name_default_cb,
- .hook_evt_drop = hook_evt_drop_default_cb
+ .hook_evt_addref = hook_evt_addref_default_cb,
+ .hook_evt_unref = hook_evt_unref_default_cb
};
/******************************************************************************
- * section: hooks for tracing service interface (evt)
+ * section: hooks for tracing events interface (evt)
*****************************************************************************/
#define _HOOK_EVT_(what,...) \
struct afb_hook_evt *hook; \
+ struct afb_hookid hookid; \
pthread_rwlock_rdlock(&rwlock); \
+ init_hookid(&hookid); \
hook = list_of_evt_hooks; \
while (hook) { \
if (hook->itf->hook_evt_##what \
&& (hook->flags & afb_hook_flag_evt_##what) != 0 \
&& (!hook->pattern || !fnmatch(hook->pattern, evt, FNM_CASEFOLD))) { \
- hook->itf->hook_evt_##what(hook->closure, __VA_ARGS__); \
+ hook->itf->hook_evt_##what(hook->closure, &hookid, __VA_ARGS__); \
} \
hook = hook->next; \
} \
return result;
}
-void afb_hook_evt_name(const char *evt, int id)
+void afb_hook_evt_name(const char *evt, int id, const char *result)
{
- _HOOK_EVT_(name, evt, id);
+ _HOOK_EVT_(name, evt, id, result);
}
-void afb_hook_evt_drop(const char *evt, int id)
+void afb_hook_evt_addref(const char *evt, int id)
{
- _HOOK_EVT_(drop, evt, id);
+ _HOOK_EVT_(addref, evt, id);
+}
+
+void afb_hook_evt_unref(const char *evt, int id)
+{
+ _HOOK_EVT_(unref, evt, id);
}
/******************************************************************************
int flags;
struct afb_hook_evt *hook;
- pthread_rwlock_rdlock(&rwlock);
flags = 0;
- hook = list_of_evt_hooks;
- while (hook) {
- if (!name || !hook->pattern || !fnmatch(hook->pattern, name, FNM_CASEFOLD))
- flags |= hook->flags;
- hook = hook->next;
+ if (!name || afb_api_is_hookable(name)) {
+ pthread_rwlock_rdlock(&rwlock);
+ hook = list_of_evt_hooks;
+ while (hook) {
+ if (!name || !hook->pattern || !fnmatch(hook->pattern, name, FNM_CASEFOLD))
+ flags |= hook->flags;
+ hook = hook->next;
+ }
+ pthread_rwlock_unlock(&rwlock);
}
- pthread_rwlock_unlock(&rwlock);
return flags;
}
}
}
}
+
+/******************************************************************************
+ * section: default callbacks for globals (global)
+ *****************************************************************************/
+
+static void _hook_global_(const char *format, ...)
+{
+ va_list ap;
+ va_start(ap, format);
+ _hook_("global", format, ap);
+ va_end(ap);
+}
+
+static void hook_global_vverbose_default_cb(void *closure, const struct afb_hookid *hookid, int level, const char *file, int line, const char *func, const char *fmt, va_list args)
+{
+ int len;
+ char *msg;
+ va_list ap;
+
+ va_copy(ap, args);
+ len = vasprintf(&msg, fmt, ap);
+ va_end(ap);
+
+ if (len < 0)
+ _hook_global_("vverbose(%d, %s, %d, %s) -> %s ? ? ?", level, file, line, func, fmt);
+ else {
+ _hook_global_("vverbose(%d, %s, %d, %s) -> %s", level, file, line, func, msg);
+ free(msg);
+ }
+}
+
+static struct afb_hook_global_itf hook_global_default_itf = {
+ .hook_global_vverbose = hook_global_vverbose_default_cb
+};
+
+/******************************************************************************
+ * section: hooks for tracing globals (global)
+ *****************************************************************************/
+
+#define _HOOK_GLOBAL_(what,...) \
+ struct afb_hook_global *hook; \
+ struct afb_hookid hookid; \
+ pthread_rwlock_rdlock(&rwlock); \
+ init_hookid(&hookid); \
+ hook = list_of_global_hooks; \
+ while (hook) { \
+ if (hook->itf->hook_global_##what \
+ && (hook->flags & afb_hook_flag_global_##what) != 0) { \
+ hook->itf->hook_global_##what(hook->closure, &hookid, __VA_ARGS__); \
+ } \
+ hook = hook->next; \
+ } \
+ pthread_rwlock_unlock(&rwlock);
+
+static void afb_hook_global_vverbose(int level, const char *file, int line, const char *func, const char *fmt, va_list args)
+{
+ _HOOK_GLOBAL_(vverbose, level, file ?: "?", line, func ?: "?", fmt ?: "", args);
+}
+
+/******************************************************************************
+ * section: hooking globals (global)
+ *****************************************************************************/
+
+static void update_global()
+{
+ struct afb_hook_global *hook;
+ int flags = 0;
+
+ pthread_rwlock_rdlock(&rwlock);
+ hook = list_of_global_hooks;
+ while (hook) {
+ flags = hook->flags;
+ hook = hook->next;
+ }
+ verbose_observer = (flags & afb_hook_flag_global_vverbose) ? afb_hook_global_vverbose : NULL;
+ pthread_rwlock_unlock(&rwlock);
+}
+
+struct afb_hook_global *afb_hook_create_global(int flags, struct afb_hook_global_itf *itf, void *closure)
+{
+ struct afb_hook_global *hook;
+
+ /* alloc the result */
+ hook = calloc(1, sizeof *hook);
+ if (hook == NULL)
+ return NULL;
+
+ /* initialise the rest */
+ hook->refcount = 1;
+ hook->flags = flags;
+ hook->itf = itf ? itf : &hook_global_default_itf;
+ hook->closure = closure;
+
+ /* record the hook */
+ pthread_rwlock_wrlock(&rwlock);
+ hook->next = list_of_global_hooks;
+ list_of_global_hooks = hook;
+ pthread_rwlock_unlock(&rwlock);
+
+ /* update hooking */
+ update_global();
+
+ /* returns it */
+ return hook;
+}
+
+struct afb_hook_global *afb_hook_addref_global(struct afb_hook_global *hook)
+{
+ pthread_rwlock_wrlock(&rwlock);
+ hook->refcount++;
+ pthread_rwlock_unlock(&rwlock);
+ return hook;
+}
+
+void afb_hook_unref_global(struct afb_hook_global *hook)
+{
+ struct afb_hook_global **prv;
+
+ if (hook) {
+ pthread_rwlock_wrlock(&rwlock);
+ if (--hook->refcount)
+ hook = NULL;
+ else {
+ /* unlink */
+ prv = &list_of_global_hooks;
+ while (*prv && *prv != hook)
+ prv = &(*prv)->next;
+ if(*prv)
+ *prv = hook->next;
+ }
+ pthread_rwlock_unlock(&rwlock);
+ if (hook) {
+ /* free */
+ free(hook);
+
+ /* update hooking */
+ update_global();
+ }
+ }
+}
+