X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fafb-xreq.c;h=0aef608a170e8c597bfce91e8f30f63a95643e89;hb=4be084408c6d3d7b7f90a2493829c8ce0cebb397;hp=95d089abfb9a900a72d5658ba3b56ebebc735e64;hpb=522569c5a9da8566f5213fa5b9b3abadf746331d;p=src%2Fapp-framework-binder.git diff --git a/src/afb-xreq.c b/src/afb-xreq.c index 95d089ab..0aef608a 100644 --- a/src/afb-xreq.c +++ b/src/afb-xreq.c @@ -16,7 +16,7 @@ */ #define _GNU_SOURCE -#define NO_BINDING_VERBOSE_MACRO +#define AFB_BINDING_PRAGMA_NO_VERBOSE_MACRO #include #include @@ -31,20 +31,23 @@ #include "afb-msg-json.h" #include "afb-subcall.h" #include "afb-hook.h" +#include "afb-api.h" +#include "afb-apiset.h" +#include "jobs.h" #include "verbose.h" static struct json_object *xreq_json_cb(void *closure) { struct afb_xreq *xreq = closure; - return xreq->json ? : (xreq->json = xreq->queryitf->json(xreq->query)); + return xreq->json ? : (xreq->json = xreq->queryitf->json(xreq)); } static struct afb_arg xreq_get_cb(void *closure, const char *name) { struct afb_xreq *xreq = closure; if (xreq->queryitf->get) - return xreq->queryitf->get(xreq->query, name); + return xreq->queryitf->get(xreq, name); else return afb_msg_json_get_arg(xreq_json_cb(closure), name); } @@ -52,50 +55,37 @@ static struct afb_arg xreq_get_cb(void *closure, const char *name) static void xreq_success_cb(void *closure, struct json_object *obj, const char *info) { struct afb_xreq *xreq = closure; - afb_xreq_success(xreq, obj, info); -} -void afb_xreq_success(struct afb_xreq *xreq, struct json_object *obj, const char *info) -{ if (xreq->replied) { ERROR("reply called more than one time!!"); json_object_put(obj); } else { xreq->replied = 1; if (xreq->queryitf->success) - xreq->queryitf->success(xreq->query, obj, info); + xreq->queryitf->success(xreq, obj, info); else - xreq->queryitf->reply(xreq->query, 0, afb_msg_json_reply_ok(info, obj, &xreq->context, NULL)); + xreq->queryitf->reply(xreq, 0, afb_msg_json_reply_ok(info, obj, &xreq->context, NULL)); } } static void xreq_fail_cb(void *closure, const char *status, const char *info) { struct afb_xreq *xreq = closure; - afb_xreq_fail(xreq, status, info); -} -void afb_xreq_fail(struct afb_xreq *xreq, const char *status, const char *info) -{ if (xreq->replied) { ERROR("reply called more than one time!!"); } else { xreq->replied = 1; if (xreq->queryitf->fail) - xreq->queryitf->fail(xreq->query, status, info); + xreq->queryitf->fail(xreq, status, info); else - xreq->queryitf->reply(xreq->query, 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 const char *xreq_raw_cb(void *closure, size_t *size) { struct afb_xreq *xreq = closure; - return afb_xreq_raw(xreq, size); -} - -const char *afb_xreq_raw(struct afb_xreq *xreq, size_t *size) -{ const char *result = json_object_to_json_string(xreq_json_cb(xreq)); if (size != NULL) *size = strlen(result); @@ -126,24 +116,14 @@ static void xreq_context_set_cb(void *closure, void *value, void (*free_value)(v static void xreq_addref_cb(void *closure) { struct afb_xreq *xreq = closure; - afb_xreq_addref(xreq); -} - -void afb_xreq_addref(struct afb_xreq *xreq) -{ - xreq->refcount++; + __atomic_add_fetch(&xreq->refcount, 1, __ATOMIC_RELAXED); } static void xreq_unref_cb(void *closure) { struct afb_xreq *xreq = closure; - afb_xreq_unref(xreq); -} - -void afb_xreq_unref(struct afb_xreq *xreq) -{ - if (!--xreq->refcount) { - xreq->queryitf->unref(xreq->query); + if (!__atomic_sub_fetch(&xreq->refcount, 1, __ATOMIC_RELAXED)) { + xreq->queryitf->unref(xreq); } } @@ -170,7 +150,7 @@ int afb_xreq_subscribe(struct afb_xreq *xreq, struct afb_event event) if (xreq->listener) return afb_evt_add_watch(xreq->listener, event); if (xreq->queryitf->subscribe) - return xreq->queryitf->subscribe(xreq->query, event); + return xreq->queryitf->subscribe(xreq, event); ERROR("no event listener, subscription impossible"); errno = EINVAL; return -1; @@ -187,7 +167,7 @@ int afb_xreq_unsubscribe(struct afb_xreq *xreq, struct afb_event event) if (xreq->listener) return afb_evt_remove_watch(xreq->listener, event); if (xreq->queryitf->unsubscribe) - return xreq->queryitf->unsubscribe(xreq->query, event); + return xreq->queryitf->unsubscribe(xreq, event); ERROR("no event listener, unsubscription impossible"); errno = EINVAL; return -1; @@ -197,13 +177,8 @@ static void xreq_subcall_cb(void *closure, const char *api, const char *verb, st { struct afb_xreq *xreq = closure; - afb_xreq_subcall(xreq, api, verb, args, callback, cb_closure); -} - -void afb_xreq_subcall(struct afb_xreq *xreq, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*), void *cb_closure) -{ if (xreq->queryitf->subcall) - xreq->queryitf->subcall(xreq->query, api, verb, args, callback, cb_closure); + xreq->queryitf->subcall(xreq, api, verb, args, callback, cb_closure); else afb_subcall(xreq, api, verb, args, callback, cb_closure); } @@ -277,12 +252,17 @@ static void xreq_hooked_addref_cb(void *closure) afb_hook_xreq_addref(xreq); xreq_addref_cb(closure); } -/* + static void xreq_hooked_unref_cb(void *closure) { - TODO + 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); + } } -*/ + static void xreq_hooked_session_close_cb(void *closure) { struct afb_xreq *xreq = closure; @@ -311,20 +291,47 @@ static int xreq_hooked_unsubscribe_cb(void *closure, struct afb_event event) return afb_hook_xreq_unsubscribe(xreq, event, r); } -/* +struct reply +{ + struct afb_xreq *xreq; + void (*callback)(void*, int, struct json_object*); + void *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); +} + 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; - - afb_xreq_subcall(xreq, api, verb, args, callback, cb_closure); + 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); + } else { + ERROR("out of memory"); + xreq_subcall_cb(closure, api, verb, args, callback, cb_closure); + } } static int xreq_hooked_subcallsync_cb(void *closure, const char *api, const char *verb, struct json_object *args, struct json_object **result) { + int r; struct afb_xreq *xreq = closure; - return afb_subcall_sync(xreq, api, verb, args, result); + afb_hook_xreq_subcallsync(xreq, api, verb, args); + r = xreq_subcallsync_cb(closure, api, verb, args, result); + return afb_hook_xreq_subcallsync_result(xreq, r, *result); } -*/ + const struct afb_req_itf xreq_itf = { .json = xreq_json_cb, .get = xreq_get_cb, @@ -354,13 +361,13 @@ const struct afb_req_itf xreq_hooked_itf = { .context_get = xreq_hooked_context_get_cb, .context_set = xreq_hooked_context_set_cb, .addref = xreq_hooked_addref_cb, -.unref = xreq_unref_cb, + .unref = xreq_hooked_unref_cb, .session_close = xreq_hooked_session_close_cb, .session_set_LOA = xreq_hooked_session_set_LOA_cb, .subscribe = xreq_hooked_subscribe_cb, .unsubscribe = xreq_hooked_unsubscribe_cb, -.subcall = xreq_subcall_cb, -.subcallsync = xreq_subcallsync_cb + .subcall = xreq_hooked_subcall_cb, + .subcallsync = xreq_hooked_subcallsync_cb }; static inline struct afb_req to_req(struct afb_xreq *xreq) @@ -368,6 +375,16 @@ 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 json_object *afb_xreq_json(struct afb_xreq *xreq) +{ + return afb_req_json(to_req(xreq)); +} + +void afb_xreq_success(struct afb_xreq *xreq, struct json_object *obj, const char *info) +{ + afb_req_success(to_req(xreq), obj, info); +} + void afb_xreq_success_f(struct afb_xreq *xreq, struct json_object *obj, const char *info, ...) { char *message; @@ -380,6 +397,11 @@ void afb_xreq_success_f(struct afb_xreq *xreq, struct json_object *obj, const ch free(message); } +void afb_xreq_fail(struct afb_xreq *xreq, const char *status, const char *info) +{ + afb_req_fail(to_req(xreq), status, info); +} + void afb_xreq_fail_f(struct afb_xreq *xreq, const char *status, const char *info, ...) { char *message; @@ -392,62 +414,143 @@ void afb_xreq_fail_f(struct afb_xreq *xreq, const char *status, const char *info free(message); } -static int xcheck(struct afb_xreq *xreq, int sessionflags) +const char *afb_xreq_raw(struct afb_xreq *xreq, size_t *size) +{ + return afb_req_raw(to_req(xreq), size); +} + +void afb_xreq_addref(struct afb_xreq *xreq) +{ + afb_req_addref(to_req(xreq)); +} + +void afb_xreq_unref(struct afb_xreq *xreq) +{ + afb_req_unref(to_req(xreq)); +} + +void afb_xreq_unhooked_subcall(struct afb_xreq *xreq, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*), void *cb_closure) { - if ((sessionflags & (AFB_SESSION_CREATE|AFB_SESSION_CLOSE|AFB_SESSION_RENEW|AFB_SESSION_CHECK|AFB_SESSION_LOA_EQ)) != 0) { + xreq_subcall_cb(xreq, api, verb, args, callback, cb_closure); +} + +void afb_xreq_subcall(struct afb_xreq *xreq, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*), void *cb_closure) +{ + afb_req_subcall(to_req(xreq), api, verb, args, callback, cb_closure); +} + +static int xreq_session_check_apply(struct afb_xreq *xreq, int sessionflags) +{ + int loa; + + if ((sessionflags & (AFB_SESSION_CLOSE|AFB_SESSION_RENEW|AFB_SESSION_CHECK|AFB_SESSION_LOA_EQ)) != 0) { if (!afb_context_check(&xreq->context)) { afb_context_close(&xreq->context); afb_xreq_fail_f(xreq, "failed", "invalid token's identity"); - return 0; + errno = EINVAL; + return -1; } } - if ((sessionflags & AFB_SESSION_CREATE) != 0) { - if (afb_context_check_loa(&xreq->context, 1)) { - afb_xreq_fail_f(xreq, "failed", "invalid creation state"); - return 0; - } - afb_context_change_loa(&xreq->context, 1); - afb_context_refresh(&xreq->context); - } - - if ((sessionflags & (AFB_SESSION_CREATE | AFB_SESSION_RENEW)) != 0) - afb_context_refresh(&xreq->context); - - if ((sessionflags & AFB_SESSION_CLOSE) != 0) { - afb_context_change_loa(&xreq->context, 0); - afb_context_close(&xreq->context); - } - if ((sessionflags & AFB_SESSION_LOA_GE) != 0) { - int loa = (sessionflags >> AFB_SESSION_LOA_SHIFT) & AFB_SESSION_LOA_MASK; + loa = (sessionflags >> AFB_SESSION_LOA_SHIFT) & AFB_SESSION_LOA_MASK; if (!afb_context_check_loa(&xreq->context, loa)) { afb_xreq_fail_f(xreq, "failed", "invalid LOA"); - return 0; + errno = EPERM; + return -1; } } if ((sessionflags & AFB_SESSION_LOA_LE) != 0) { - int loa = (sessionflags >> AFB_SESSION_LOA_SHIFT) & AFB_SESSION_LOA_MASK; + loa = (sessionflags >> AFB_SESSION_LOA_SHIFT) & AFB_SESSION_LOA_MASK; if (afb_context_check_loa(&xreq->context, loa + 1)) { afb_xreq_fail_f(xreq, "failed", "invalid LOA"); - return 0; + errno = EPERM; + return -1; } } - return 1; + + if ((sessionflags & AFB_SESSION_RENEW) != 0) { + afb_context_refresh(&xreq->context); + } + if ((sessionflags & AFB_SESSION_CLOSE) != 0) { + afb_context_change_loa(&xreq->context, 0); + afb_context_close(&xreq->context); + } + + return 0; +} + +void afb_xreq_call_verb_v1(struct afb_xreq *xreq, const struct afb_verb_desc_v1 *verb) +{ + if (!verb) + afb_xreq_fail_unknown_verb(xreq); + else + if (!xreq_session_check_apply(xreq, verb->session)) + verb->callback(to_req(xreq)); +} + +void afb_xreq_call_verb_v2(struct afb_xreq *xreq, const struct afb_verb_v2 *verb) +{ + if (!verb) + afb_xreq_fail_unknown_verb(xreq); + else + if (!xreq_session_check_apply(xreq, verb->session)) + verb->callback(to_req(xreq)); +} + +void afb_xreq_init(struct afb_xreq *xreq, const struct afb_xreq_query_itf *queryitf) +{ + memset(xreq, 0, sizeof *xreq); + xreq->refcount = 1; + xreq->queryitf = queryitf; } -void afb_xreq_call(struct afb_xreq *xreq, int sessionflags, void (*method)(struct afb_req req)) +void afb_xreq_fail_unknown_api(struct afb_xreq *xreq) { - if (xcheck(xreq, sessionflags)) - method(to_req(xreq)); + afb_xreq_fail_f(xreq, "unknown-api", "api %s not found (for verb %s)", xreq->api, xreq->verb); } -void afb_xreq_begin(struct afb_xreq *xreq) +void afb_xreq_fail_unknown_verb(struct afb_xreq *xreq) { - afb_hook_init_xreq(xreq); - if (xreq->hookflags) - afb_hook_xreq_begin(xreq); + afb_xreq_fail_f(xreq, "unknown-verb", "verb %s unknown within api %s", xreq->verb, xreq->api); } +static void process_async(int signum, void *arg) +{ + struct afb_xreq *xreq = arg; + struct afb_api api; + + if (signum != 0) { + afb_xreq_fail_f(xreq, "aborted", "signal %s(%d) caught", strsignal(signum), signum); + } else { + /* init hooking */ + afb_hook_init_xreq(xreq); + if (xreq->hookflags) + afb_hook_xreq_begin(xreq); + + /* search the api */ + if (afb_apiset_get(xreq->apiset, xreq->api, &api) < 0) { + afb_xreq_fail_f(xreq, "unknown-api", "api %s not found", xreq->api); + } else { + xreq->context.api_key = api.closure; + api.itf->call(api.closure, xreq); + } + } + afb_xreq_unref(xreq); +} + +void afb_xreq_process(struct afb_xreq *xreq, struct afb_apiset *apiset) +{ + xreq->apiset = apiset; + + afb_xreq_addref(xreq); + if (jobs_queue(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); + } + afb_xreq_unref(xreq); +}