#include "afb-xreq.h"
#include "afb-evt.h"
#include "afb-msg-json.h"
-#include "afb-subcall.h"
+#include "afb-cred.h"
#include "afb-hook.h"
#include "afb-api.h"
#include "afb-apiset.h"
/******************************************************************************/
+static inline void xreq_addref(struct afb_xreq *xreq)
+{
+ __atomic_add_fetch(&xreq->refcount, 1, __ATOMIC_RELAXED);
+}
+
+static inline void xreq_unref(struct afb_xreq *xreq)
+{
+ if (!__atomic_sub_fetch(&xreq->refcount, 1, __ATOMIC_RELAXED)) {
+ if (!xreq->replied)
+ afb_xreq_fail(xreq, "error", "no reply");
+ if (xreq->hookflags)
+ afb_hook_xreq_end(xreq);
+ xreq->queryitf->unref(xreq);
+ }
+}
+
+/******************************************************************************/
+
+extern const struct afb_req_itf xreq_itf;
+extern const struct afb_req_itf xreq_hooked_itf;
+
+static inline struct afb_req to_req(struct afb_xreq *xreq)
+{
+ return (struct afb_req){ .itf = xreq->hookflags ? &xreq_hooked_itf : &xreq_itf, .closure = xreq };
+}
+
+/******************************************************************************/
+
+struct subcall
+{
+ struct afb_xreq xreq;
+ struct afb_xreq *caller;
+ void (*callback)(void*, int, struct json_object*);
+ void *closure;
+ union {
+ struct {
+ struct jobloop *jobloop;
+ struct json_object *result;
+ int status;
+ };
+ struct {
+ union {
+ void (*callback)(void*, int, struct json_object*);
+ void (*callback2)(void*, int, struct json_object*, struct afb_req);
+ };
+ void *closure;
+ } hooked;
+ };
+};
+
+static int subcall_subscribe(struct afb_xreq *xreq, struct afb_event event)
+{
+ struct subcall *subcall = CONTAINER_OF_XREQ(struct subcall, xreq);
+
+ return afb_xreq_subscribe(subcall->caller, event);
+}
+
+static int subcall_unsubscribe(struct afb_xreq *xreq, struct afb_event event)
+{
+ struct subcall *subcall = CONTAINER_OF_XREQ(struct subcall, xreq);
+
+ return afb_xreq_unsubscribe(subcall->caller, event);
+}
+
+static void subcall_reply(struct afb_xreq *xreq, int status, struct json_object *obj)
+{
+ struct subcall *subcall = CONTAINER_OF_XREQ(struct subcall, xreq);
+
+ if (subcall->callback)
+ subcall->callback(subcall->closure, status, obj);
+ json_object_put(obj);
+}
+
+static void subcall_destroy(struct afb_xreq *xreq)
+{
+ struct subcall *subcall = CONTAINER_OF_XREQ(struct subcall, xreq);
+
+ json_object_put(subcall->xreq.json);
+ afb_cred_unref(subcall->xreq.cred);
+ xreq_unref(subcall->caller);
+ free(subcall);
+}
+
+const struct afb_xreq_query_itf afb_xreq_subcall_itf = {
+ .reply = subcall_reply,
+ .unref = subcall_destroy,
+ .subscribe = subcall_subscribe,
+ .unsubscribe = subcall_unsubscribe
+};
+
+static struct subcall *subcall_alloc(
+ struct afb_xreq *caller,
+ const char *api,
+ const char *verb,
+ struct json_object *args
+)
+{
+ struct subcall *subcall;
+ size_t lenapi, lenverb;
+ char *copy;
+
+ lenapi = 1 + strlen(api);
+ lenverb = 1 + strlen(verb);
+ subcall = malloc(lenapi + lenverb + sizeof *subcall);
+ if (!subcall)
+ ERROR("out of memory");
+ else {
+ copy = (char*)&subcall[1];
+ memcpy(copy, api, lenapi);
+ api = copy;
+ copy = ©[lenapi];
+ memcpy(copy, verb, lenverb);
+ verb = copy;
+
+ afb_xreq_init(&subcall->xreq, &afb_xreq_subcall_itf);
+ afb_context_subinit(&subcall->xreq.context, &caller->context);
+ subcall->xreq.cred = afb_cred_addref(caller->cred);
+ subcall->xreq.json = args;
+ subcall->xreq.api = api;
+ subcall->xreq.verb = verb;
+ subcall->caller = caller;
+ xreq_addref(caller);
+ }
+ return subcall;
+}
+
+static void subcall_process(struct subcall *subcall)
+{
+ if (subcall->caller->queryitf->subcall) {
+ subcall->caller->queryitf->subcall(
+ subcall->caller, subcall->xreq.api, subcall->xreq.verb,
+ subcall->xreq.json, subcall->callback, subcall->closure);
+ xreq_unref(&subcall->xreq);
+ } else
+ afb_xreq_process(&subcall->xreq, subcall->caller->apiset);
+}
+
+static void subcall_sync_leave(struct subcall *subcall)
+{
+ struct jobloop *jobloop = __atomic_exchange_n(&subcall->jobloop, NULL, __ATOMIC_RELAXED);
+ if (jobloop)
+ jobs_leave(jobloop);
+}
+
+static void subcall_sync_reply(void *closure, int status, struct json_object *obj)
+{
+ struct subcall *subcall = closure;
+
+ subcall->status = status;
+ subcall->result = json_object_get(obj);
+ subcall_sync_leave(subcall);
+}
+
+static void subcall_sync_enter(int signum, void *closure, struct jobloop *jobloop)
+{
+ struct subcall *subcall = closure;
+
+ if (!signum) {
+ subcall->jobloop = jobloop;
+ subcall_process(subcall);
+ } else {
+ subcall->status = -1;
+ subcall_sync_leave(subcall);
+ }
+}
+
+/******************************************************************************/
+
static void vinfo(void *first, void *second, const char *fmt, va_list args, void (*fun)(void*,void*,const char*))
{
char *info;
if (xreq->queryitf->fail)
xreq->queryitf->fail(xreq, status, info);
else
- xreq->queryitf->reply(xreq, 1, afb_msg_json_reply_error(status, info, &xreq->context, NULL));
+ xreq->queryitf->reply(xreq, -1, afb_msg_json_reply_error(status, info, &xreq->context, NULL));
}
}
static void xreq_addref_cb(void *closure)
{
struct afb_xreq *xreq = closure;
- __atomic_add_fetch(&xreq->refcount, 1, __ATOMIC_RELAXED);
+ xreq_addref(xreq);
}
static void xreq_unref_cb(void *closure)
{
struct afb_xreq *xreq = closure;
- if (!__atomic_sub_fetch(&xreq->refcount, 1, __ATOMIC_RELAXED)) {
- xreq->queryitf->unref(xreq);
- }
+ xreq_unref(xreq);
}
static void xreq_session_close_cb(void *closure)
static void xreq_subcall_cb(void *closure, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*), void *cb_closure)
{
struct afb_xreq *xreq = closure;
+ struct subcall *subcall;
- if (xreq->queryitf->subcall) {
- xreq->queryitf->subcall(xreq, api, verb, args, callback, cb_closure);
+ subcall = subcall_alloc(xreq, api, verb, args);
+ if (subcall == NULL) {
+ if (callback)
+ callback(cb_closure, 1, afb_msg_json_internal_error());
json_object_put(args);
} else {
- afb_subcall(xreq, api, verb, args, callback, cb_closure);
+ subcall->callback = callback;
+ subcall->closure = cb_closure;
+ subcall_process(subcall);
}
}
-struct xreq_sync
+static void xreq_subcall_req_reply_cb(void *closure, int status, struct json_object *result)
{
- struct afb_xreq *caller;
- const char *api;
- const char *verb;
- struct json_object *args;
- struct jobloop *jobloop;
- struct json_object *result;
- int iserror;
-};
-
-static void xreq_sync_leave(struct xreq_sync *sync)
-{
- struct jobloop *jobloop = sync->jobloop;
- if (jobloop) {
- sync->jobloop = NULL;
- jobs_leave(jobloop);
- }
-}
-
-static void xreq_sync_reply(void *closure, int iserror, struct json_object *obj)
-{
- struct xreq_sync *sync = closure;
-
- sync->iserror = iserror;
- sync->result = json_object_get(obj);
- xreq_sync_leave(sync);
+ struct subcall *subcall = closure;
+ subcall->hooked.callback2(subcall->hooked.closure, status, result, to_req(subcall->caller));
}
-static void xreq_sync_enter(int signum, void *closure, struct jobloop *jobloop)
+static void xreq_subcall_req_cb(void *closure, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*, struct afb_req), void *cb_closure)
{
- struct xreq_sync *sync = closure;
+ struct afb_xreq *xreq = closure;
+ struct subcall *subcall;
- if (!signum) {
- sync->jobloop = jobloop;
- xreq_subcall_cb(sync->caller, sync->api, sync->verb, json_object_get(sync->args), xreq_sync_reply, sync);
+ subcall = subcall_alloc(xreq, api, verb, args);
+ if (subcall == NULL) {
+ if (callback)
+ callback(cb_closure, 1, afb_msg_json_internal_error(), to_req(xreq));
+ json_object_put(args);
} else {
- sync->iserror = 1;
- xreq_sync_leave(sync);
+ subcall->callback = xreq_subcall_req_reply_cb;
+ subcall->closure = subcall;
+ subcall->hooked.callback2 = callback;
+ subcall->hooked.closure = cb_closure;
+ subcall_process(subcall);
}
}
+
static int xreq_subcallsync_cb(void *closure, const char *api, const char *verb, struct json_object *args, struct json_object **result)
{
int rc;
- struct xreq_sync sync;
- struct afb_xreq *xreq = closure;
-
- sync.caller = xreq;
- sync.api = api;
- sync.verb = verb;
- sync.args = args;
- sync.jobloop = NULL;
- sync.result = NULL;
- sync.iserror = 1;
-
- rc = jobs_enter(NULL, 0, xreq_sync_enter, &sync);
- json_object_put(args);
- if (rc < 0 || sync.iserror) {
- *result = sync.result ? : afb_msg_json_internal_error();
- return 0;
+ struct subcall *subcall;
+ struct afb_xreq *xreq = closure;
+ struct json_object *resu;
+
+ subcall = subcall_alloc(xreq, api, verb, args);
+ if (!subcall) {
+ rc = -1;
+ resu = afb_msg_json_internal_error();
+ json_object_put(args);
+ } else {
+ subcall->callback = subcall_sync_reply;
+ subcall->closure = subcall;
+ subcall->jobloop = NULL;
+ subcall->result = NULL;
+ subcall->status = 0;
+ rc = jobs_enter(NULL, 0, subcall_sync_enter, subcall);
+ resu = subcall->result;
+ if (rc < 0 || subcall->status < 0) {
+ resu = resu ?: afb_msg_json_internal_error();
+ rc = -1;
+ }
}
- *result = sync.result;
- return 1;
+ if (result)
+ *result = resu;
+ else
+ json_object_put(resu);
+ return rc;
}
static void xreq_vverbose_cb(void*closure, int level, const char *file, int line, const char *func, const char *fmt, va_list args)
return closure;
}
+static int xreq_has_permission_cb(void*closure, const char *permission)
+{
+ struct afb_xreq *xreq = closure;
+ return afb_auth_has_permission(xreq, permission);
+}
+
/******************************************************************************/
static struct json_object *xreq_hooked_json_cb(void *closure)
{
struct afb_xreq *xreq = closure;
afb_hook_xreq_unref(xreq);
- if (!__atomic_sub_fetch(&xreq->refcount, 1, __ATOMIC_RELAXED)) {
- afb_hook_xreq_end(xreq);
- xreq->queryitf->unref(xreq);
- }
+ xreq_unref_cb(closure);
}
static void xreq_hooked_session_close_cb(void *closure)
return afb_hook_xreq_unsubscribe(xreq, event, r);
}
-struct reply
+static void xreq_hooked_subcall_reply_cb(void *closure, int status, struct json_object *result)
{
- struct afb_xreq *xreq;
- void (*callback)(void*, int, struct json_object*);
- void *closure;
-};
+ struct subcall *subcall = closure;
-static void xreq_hooked_subcall_reply_cb(void *closure, int iserror, struct json_object *result)
-{
- struct reply *reply = closure;
-
- afb_hook_xreq_subcall_result(reply->xreq, iserror, result);
- reply->callback(reply->closure, iserror, result);
- free(reply);
+ afb_hook_xreq_subcall_result(subcall->caller, status, result);
+ subcall->hooked.callback(subcall->hooked.closure, status, result);
}
static void xreq_hooked_subcall_cb(void *closure, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*), void *cb_closure)
{
- struct reply *reply = malloc(sizeof *reply);
struct afb_xreq *xreq = closure;
+ struct subcall *subcall;
+
afb_hook_xreq_subcall(xreq, api, verb, args);
- if (reply) {
- reply->xreq = xreq;
- reply->callback = callback;
- reply->closure = cb_closure;
- xreq_subcall_cb(closure, api, verb, args, xreq_hooked_subcall_reply_cb, reply);
+ subcall = subcall_alloc(xreq, api, verb, args);
+ if (subcall == NULL) {
+ if (callback)
+ callback(cb_closure, 1, afb_msg_json_internal_error());
+ json_object_put(args);
} else {
- ERROR("out of memory");
- xreq_subcall_cb(closure, api, verb, args, callback, cb_closure);
+ subcall->callback = xreq_hooked_subcall_reply_cb;
+ subcall->closure = subcall;
+ subcall->hooked.callback = callback;
+ subcall->hooked.closure = cb_closure;
+ subcall_process(subcall);
+ }
+}
+
+static void xreq_hooked_subcall_req_reply_cb(void *closure, int status, struct json_object *result)
+{
+ struct subcall *subcall = closure;
+
+ afb_hook_xreq_subcall_req_result(subcall->caller, status, result);
+ subcall->hooked.callback2(subcall->hooked.closure, status, result, to_req(subcall->caller));
+}
+
+static void xreq_hooked_subcall_req_cb(void *closure, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*, struct afb_req), void *cb_closure)
+{
+ struct afb_xreq *xreq = closure;
+ struct subcall *subcall;
+
+ afb_hook_xreq_subcall_req(xreq, api, verb, args);
+ subcall = subcall_alloc(xreq, api, verb, args);
+ if (subcall == NULL) {
+ if (callback)
+ callback(cb_closure, 1, afb_msg_json_internal_error(), to_req(xreq));
+ json_object_put(args);
+ } else {
+ subcall->callback = xreq_hooked_subcall_req_reply_cb;
+ subcall->closure = subcall;
+ subcall->hooked.callback2 = callback;
+ subcall->hooked.closure = cb_closure;
+ subcall_process(subcall);
}
}
return r;
}
+static int xreq_hooked_has_permission_cb(void*closure, const char *permission)
+{
+ struct afb_xreq *xreq = closure;
+ int r = xreq_has_permission_cb(closure, permission);
+ return afb_hook_xreq_has_permission(xreq, permission, r);
+}
+
/******************************************************************************/
const struct afb_req_itf xreq_itf = {
.subcall = xreq_subcall_cb,
.subcallsync = xreq_subcallsync_cb,
.vverbose = xreq_vverbose_cb,
- .store = xreq_store_cb
+ .store = xreq_store_cb,
+ .subcall_req = xreq_subcall_req_cb,
+ .has_permission = xreq_has_permission_cb
};
const struct afb_req_itf xreq_hooked_itf = {
.subcall = xreq_hooked_subcall_cb,
.subcallsync = xreq_hooked_subcallsync_cb,
.vverbose = xreq_hooked_vverbose_cb,
- .store = xreq_hooked_store_cb
+ .store = xreq_hooked_store_cb,
+ .subcall_req = xreq_hooked_subcall_req_cb,
+ .has_permission = xreq_hooked_has_permission_cb
};
-static inline struct afb_req to_req(struct afb_xreq *xreq)
-{
- return (struct afb_req){ .itf = xreq->hookflags ? &xreq_hooked_itf : &xreq_itf, .closure = xreq };
-}
-
/******************************************************************************/
struct afb_req afb_xreq_unstore(struct afb_stored_req *sreq)
return -1;
}
- if (auth && !afb_auth_check(auth, xreq)) {
+ if (auth && !afb_auth_check(xreq, auth)) {
afb_xreq_fail_f(xreq, "denied", "authorisation refused");
errno = EPERM;
return -1;
static void process_sync(struct afb_xreq *xreq)
{
- struct afb_api api;
+ const struct afb_api *api;
/* init hooking */
afb_hook_init_xreq(xreq);
afb_hook_xreq_begin(xreq);
/* search the api */
- if (afb_apiset_get_started(xreq->apiset, xreq->api, &api) < 0) {
+ api = (const struct afb_api*)xreq->context.api_key;
+ if (api)
+ api->itf->call(api->closure, xreq);
+ else {
+ api = afb_apiset_lookup_started(xreq->apiset, xreq->api, 1);
if (errno == ENOENT)
afb_xreq_fail_f(xreq, "unknown-api", "api %s not found", xreq->api);
else
afb_xreq_fail_f(xreq, "bad-api-state", "api %s not started correctly: %m", xreq->api);
- } else {
- xreq->context.api_key = api.closure;
- api.itf->call(api.closure, xreq);
}
}
} else {
process_sync(xreq);
}
- afb_xreq_unref(xreq);
+ xreq_unref(xreq);
}
void afb_xreq_process(struct afb_xreq *xreq, struct afb_apiset *apiset)
{
+ const struct afb_api *api;
+
xreq->apiset = apiset;
+ api = afb_apiset_lookup_started(apiset, xreq->api, 1);
+ xreq->context.api_key = (void*)api;
- afb_xreq_addref(xreq);
- if (jobs_queue(NULL, afb_apiset_timeout_get(apiset), process_async, xreq) < 0) {
+ xreq_addref(xreq);
+ if (jobs_queue(api && api->noconcurrency ? (void*)api : NULL, afb_apiset_timeout_get(apiset), process_async, xreq) < 0) {
/* TODO: allows or not to proccess it directly as when no threading? (see above) */
ERROR("can't process job with threads: %m");
afb_xreq_fail_f(xreq, "cancelled", "not able to create a job for the task");
- afb_xreq_unref(xreq);
+ xreq_unref(xreq);
}
- afb_xreq_unref(xreq);
+ xreq_unref(xreq);
}
Code Review / src / app-framework-binder.git / blobdiff