*/
#define _GNU_SOURCE
-#define NO_BINDING_VERBOSE_MACRO
+#define AFB_BINDING_PRAGMA_NO_VERBOSE_MACRO
+#include <stdlib.h>
#include <string.h>
#include <dlfcn.h>
#include <assert.h>
-#include <afb/afb-binding.h>
+#include <afb/afb-binding-v2.h>
+#include <json-c/json.h>
-#include "afb-apis.h"
+#include "afb-api.h"
+#include "afb-api-so-v2.h"
+#include "afb-apiset.h"
#include "afb-svc.h"
+#include "afb-ditf.h"
#include "afb-evt.h"
#include "afb-common.h"
#include "afb-context.h"
#include "afb-api-so.h"
#include "afb-xreq.h"
+#include "jobs.h"
#include "verbose.h"
/*
* names of symbols
*/
static const char afb_api_so_v2_descriptor[] = "afbBindingV2";
+static const char afb_api_so_v2_data[] = "afbBindingV2data";
/*
* Description of a binding
*/
struct api_so_v2 {
- struct afb_binding_v2 *binding; /* descriptor */
- size_t apilength; /* length of the API name */
+ const struct afb_binding_v2 *binding; /* descriptor */
+ struct afb_binding_data_v2 *data; /* data */
void *handle; /* context of dlopen */
struct afb_svc *service; /* handler for service started */
- struct afb_binding_interface interface; /* interface for the binding */
+ struct afb_ditf ditf; /* daemon interface */
};
-static struct afb_event afb_api_so_event_make_cb(void *closure, const char *name);
-static int afb_api_so_event_broadcast_cb(void *closure, const char *name, struct json_object *object);
-static void afb_api_so_vverbose_cb(void *closure, int level, const char *file, int line, const char *fmt, va_list args);
-static int afb_api_so_rootdir_get_fd(void *closure);
-static int afb_api_so_rootdir_open_locale(void *closure, const char *filename, int flags, const char *locale);
-
-static const struct afb_daemon_itf daemon_itf = {
- .event_broadcast = afb_api_so_event_broadcast_cb,
- .get_event_loop = afb_common_get_event_loop,
- .get_user_bus = afb_common_get_user_bus,
- .get_system_bus = afb_common_get_system_bus,
- .vverbose = afb_api_so_vverbose_cb,
- .event_make = afb_api_so_event_make_cb,
- .rootdir_get_fd = afb_api_so_rootdir_get_fd,
- .rootdir_open_locale = afb_api_so_rootdir_open_locale
-};
-
-static struct afb_event afb_api_so_event_make_cb(void *closure, const char *name)
-{
- size_t length;
- char *event;
- struct api_so_v2 *desc = closure;
-
- /* makes the event name */
- assert(desc->binding != NULL);
- length = strlen(name);
- event = alloca(length + 2 + desc->apilength);
- memcpy(event, desc->binding->api, desc->apilength);
- event[desc->apilength] = '/';
- memcpy(event + desc->apilength + 1, name, length + 1);
-
- /* crate the event */
- return afb_evt_create_event(event);
-}
-
-static int afb_api_so_event_broadcast_cb(void *closure, const char *name, struct json_object *object)
+static const struct afb_verb_v2 *search(struct api_so_v2 *desc, const char *name)
{
- size_t length;
- char *event;
- struct api_so_v2 *desc = closure;
-
- /* makes the event name */
- assert(desc->binding != NULL);
- length = strlen(name);
- event = alloca(length + 2 + desc->apilength);
- memcpy(event, desc->binding->api, desc->apilength);
- event[desc->apilength] = '/';
- memcpy(event + desc->apilength + 1, name, length + 1);
+ const struct afb_verb_v2 *verb;
- return afb_evt_broadcast(event, object);
+ verb = desc->binding->verbs;
+ while (verb->verb && strcasecmp(verb->verb, name))
+ verb++;
+ return verb->verb ? verb : NULL;
+ return NULL;
}
-static void afb_api_so_vverbose_cb(void *closure, int level, const char *file, int line, const char *fmt, va_list args)
+static void call_cb(void *closure, struct afb_xreq *xreq)
{
- char *p;
struct api_so_v2 *desc = closure;
+ const struct afb_verb_v2 *verb;
- if (vasprintf(&p, fmt, args) < 0)
- vverbose(level, file, line, fmt, args);
- else {
- verbose(level, file, line, "%s {binding %s}", p, desc->binding->api);
- free(p);
- }
-}
-
-static int afb_api_so_rootdir_get_fd(void *closure)
-{
- return afb_common_rootdir_get_fd();
+ verb = search(desc, xreq->verb);
+ afb_xreq_call_verb_v2(xreq, verb);
}
-static int afb_api_so_rootdir_open_locale(void *closure, const char *filename, int flags, const char *locale)
+struct call_sync
{
- return afb_common_rootdir_open_locale(filename, flags, locale);
-}
+ struct api_so_v2 *desc;
+ struct afb_xreq *xreq;
+};
-static const struct afb_verb_v2 *search(struct api_so_v2 *desc, const char *verb)
+static void call_sync_cb_cb(int signum, void *closure)
{
- const struct afb_verb_v2 *result;
-
- result = desc->binding->verbs;
- while (result->verb && strcasecmp(result->verb, verb))
- result++;
- return result->verb ? result : NULL;
+ struct call_sync *cs = closure;
+ if (!signum)
+ call_cb(cs->desc, cs->xreq);
+ else {
+ if (!cs->xreq->replied)
+ afb_xreq_fail(cs->xreq, "aborted", "internal error");
+ }
}
-static void call_cb(void *closure, struct afb_xreq *xreq)
+static void call_sync_cb(void *closure, struct afb_xreq *xreq)
{
- struct api_so_v2 *desc = closure;
- const struct afb_verb_v2 *verb;
+ struct call_sync cs = { .desc = closure, .xreq = xreq };
- verb = search(desc, xreq->verb);
- if (!verb)
- afb_xreq_fail_f(xreq, "unknown-verb", "verb %s unknown within api %s", xreq->verb, desc->binding->api);
- else
- afb_xreq_call(xreq, verb->session, verb->callback);
+ if (jobs_call(closure, 0, call_sync_cb_cb, &cs))
+ call_cb(closure, xreq);
}
-static int service_start_cb(void *closure, int share_session, int onneed)
+static int service_start_cb(void *closure, int share_session, int onneed, struct afb_apiset *apiset)
{
- int (*start)(const struct afb_binding_interface *interface, struct afb_service service);
+ int (*start)();
void (*onevent)(const char *event, struct json_object *object);
struct api_so_v2 *desc = closure;
}
/* get the initialisation */
- start = desc->binding->start;
- if (start == NULL) {
+ start = desc->binding->init;
+ onevent = desc->binding->onevent;
+ if (start == NULL && onevent == NULL) {
/* not an error when onneed */
if (onneed != 0)
return 0;
}
/* get the event handler if any */
- onevent = desc->binding->onevent;
- desc->service = afb_svc_create_v2(share_session, onevent, start, &desc->interface);
+ desc->service = afb_svc_create_v2(desc->binding->api, apiset, share_session, start, onevent, desc->data);
if (desc->service == NULL) {
/* starting error */
ERROR("Starting service %s failed", desc->binding->api);
return 0;
}
-int afb_api_so_v2_add(const char *path, void *handle)
+static void update_hooks_cb(void *closure)
{
- int rc;
- struct api_so_v2 *desc;
- struct afb_binding_v2 *binding;
+ struct api_so_v2 *desc = closure;
+ afb_ditf_update_hook(&desc->ditf);
+}
- /* retrieves the register function */
- binding = dlsym(handle, afb_api_so_v2_descriptor);
- if (!binding)
- return 0;
+static int get_verbosity_cb(void *closure)
+{
+ struct api_so_v2 *desc = closure;
+ return desc->data->verbosity;
+}
- INFO("binding [%s] looks like an AFB binding V2", path);
+static void set_verbosity_cb(void *closure, int level)
+{
+ struct api_so_v2 *desc = closure;
+ desc->data->verbosity = level;
+}
- /* basic checks */
- if (binding->api == NULL || *binding->api == 0) {
- ERROR("binding [%s] bad api name...", path);
- goto error;
- }
- if (!afb_apis_is_valid_api_name(binding->api)) {
- ERROR("binding [%s] invalid api name...", path);
- goto error;
- }
- if (binding->specification == NULL || *binding->specification == 0) {
- ERROR("binding [%s] bad specification...", path);
- goto error;
+static struct json_object *addperm(struct json_object *o, struct json_object *x)
+{
+ struct json_object *a;
+
+ if (!o)
+ return x;
+
+ if (!json_object_object_get_ex(o, "allOf", &a)) {
+ a = json_object_new_array();
+ json_object_array_add(a, o);
+ o = json_object_new_object();
+ json_object_object_add(o, "allOf", a);
}
- if (binding->verbs == NULL) {
- ERROR("binding [%s] no verbs...", path);
- goto error;
+ json_object_array_add(a, x);
+ return o;
+}
+
+static struct json_object *addperm_key_val(struct json_object *o, const char *key, struct json_object *val)
+{
+ struct json_object *x = json_object_new_object();
+ json_object_object_add(x, key, val);
+ return addperm(o, x);
+}
+
+static struct json_object *addperm_key_valstr(struct json_object *o, const char *key, const char *val)
+{
+ return addperm_key_val(o, key, json_object_new_string(val));
+}
+
+static struct json_object *addperm_key_valint(struct json_object *o, const char *key, int val)
+{
+ return addperm_key_val(o, key, json_object_new_int(val));
+}
+
+static struct json_object *make_description(struct api_so_v2 *desc)
+{
+ char buffer[256];
+ const struct afb_verb_v2 *verb;
+ struct json_object *r, *f, *a, *i, *p, *g;
+
+ r = json_object_new_object();
+ json_object_object_add(r, "openapi", json_object_new_string("3.0.0"));
+
+ i = json_object_new_object();
+ json_object_object_add(r, "info", i);
+ json_object_object_add(i, "title", json_object_new_string(desc->binding->api));
+ json_object_object_add(i, "version", json_object_new_string("0.0.0"));
+
+ p = json_object_new_object();
+ json_object_object_add(r, "paths", p);
+ verb = desc->binding->verbs;
+ while (verb->verb) {
+ buffer[0] = '/';
+ strncpy(buffer + 1, verb->verb, sizeof buffer - 1);
+ buffer[sizeof buffer - 1] = 0;
+ f = json_object_new_object();
+ json_object_object_add(p, buffer, f);
+ g = json_object_new_object();
+ json_object_object_add(f, "get", g);
+
+ a = NULL;
+ if (verb->session & AFB_SESSION_CLOSE_V2)
+ a = addperm_key_valstr(a, "session", "close");
+ if (verb->session & AFB_SESSION_CHECK_V2)
+ a = addperm_key_valstr(a, "session", "check");
+ if (verb->session & AFB_SESSION_REFRESH_V2)
+ a = addperm_key_valstr(a, "token", "refresh");
+ if (verb->session & AFB_SESSION_LOA_MASK_V2)
+ a = addperm_key_valint(a, "LOA", verb->session & AFB_SESSION_LOA_MASK_V2);
+#if 0
+ if (verb->auth)
+ a =
+#endif
+ if (a)
+ json_object_object_add(g, "x-permissions", a);
+
+ a = json_object_new_object();
+ json_object_object_add(g, "responses", a);
+ f = json_object_new_object();
+ json_object_object_add(a, "200", f);
+ json_object_object_add(f, "description", json_object_new_string(verb->verb));
+ verb++;
}
+ return r;
+}
+
+static struct json_object *describe_cb(void *closure)
+{
+ struct api_so_v2 *desc = closure;
+ struct json_object *r = desc->binding->specification ? json_tokener_parse(desc->binding->specification) : NULL;
+ if (!r)
+ r = make_description(desc);
+ return r;
+}
+
+static struct afb_api_itf so_v2_api_itf = {
+ .call = call_cb,
+ .service_start = service_start_cb,
+ .update_hooks = update_hooks_cb,
+ .get_verbosity = get_verbosity_cb,
+ .set_verbosity = set_verbosity_cb,
+ .describe = describe_cb
+};
+
+static struct afb_api_itf so_v2_sync_api_itf = {
+ .call = call_sync_cb,
+ .service_start = service_start_cb,
+ .update_hooks = update_hooks_cb,
+ .get_verbosity = get_verbosity_cb,
+ .set_verbosity = set_verbosity_cb,
+ .describe = describe_cb
+};
+
+int afb_api_so_v2_add_binding(const struct afb_binding_v2 *binding, void *handle, struct afb_apiset *apiset, struct afb_binding_data_v2 *data)
+{
+ int rc;
+ struct api_so_v2 *desc;
+ struct afb_api afb_api;
+
+ /* basic checks */
+ assert(binding);
+ assert(binding->api);
+ assert(binding->verbs);
+ assert(data);
/* allocates the description */
desc = calloc(1, sizeof *desc);
goto error;
}
desc->binding = binding;
+ desc->data = data;
desc->handle = handle;
+ desc->service = NULL;
/* init the interface */
- desc->interface.verbosity = verbosity;
- desc->interface.mode = AFB_MODE_LOCAL;
- desc->interface.daemon.itf = &daemon_itf;
- desc->interface.daemon.closure = desc;
-
- /* for log purpose, a fake binding is needed here */
+ desc->data->verbosity = verbosity;
+ afb_ditf_init_v2(&desc->ditf, binding->api, data);
/* init the binding */
- if (binding->init) {
- NOTICE("binding %s [%s] calling init function", binding->api, path);
- rc = binding->init(&desc->interface);
+ if (binding->preinit) {
+ INFO("binding %s calling preinit function", binding->api);
+ rc = binding->preinit();
if (rc < 0) {
- ERROR("binding %s [%s] initialisation function failed...", binding->api, path);
+ ERROR("binding %s preinit function failed...", binding->api);
goto error2;
}
}
/* records the binding */
- desc->apilength = strlen(binding->api);
- if (afb_apis_add(binding->api, (struct afb_api){
- .closure = desc,
- .call = call_cb,
- .service_start = service_start_cb }) < 0) {
- ERROR("binding [%s] can't be registered...", path);
+ afb_api.closure = desc;
+ afb_api.itf = binding->noconcurrency ? &so_v2_sync_api_itf : &so_v2_api_itf;
+ if (afb_apiset_add(apiset, binding->api, afb_api) < 0) {
+ ERROR("binding %s can't be registered to set %s...", binding->api, afb_apiset_name(apiset));
goto error2;
}
- NOTICE("binding %s loaded with API prefix %s", path, binding->api);
+ INFO("binding %s added to set %s", binding->api, afb_apiset_name(apiset));
return 1;
error2:
return -1;
}
+int afb_api_so_v2_add(const char *path, void *handle, struct afb_apiset *apiset)
+{
+ const struct afb_binding_v2 *binding;
+ struct afb_binding_data_v2 *data;
+
+ /* retrieves the register function */
+ binding = dlsym(handle, afb_api_so_v2_descriptor);
+ data = dlsym(handle, afb_api_so_v2_data);
+ if (!binding && !data)
+ return 0;
+
+ INFO("binding [%s] looks like an AFB binding V2", path);
+
+ /* basic checks */
+ if (!binding || !data) {
+ ERROR("binding [%s] incomplete symbol set: %s is missing",
+ path, binding ? afb_api_so_v2_data : afb_api_so_v2_descriptor);
+ goto error;
+ }
+ if (binding->api == NULL || *binding->api == 0) {
+ ERROR("binding [%s] bad api name...", path);
+ goto error;
+ }
+ if (!afb_api_is_valid_name(binding->api)) {
+ ERROR("binding [%s] invalid api name...", path);
+ goto error;
+ }
+#if 0
+ if (binding->specification == NULL || *binding->specification == 0) {
+ ERROR("binding [%s] bad specification...", path);
+ goto error;
+ }
+#endif
+ if (binding->verbs == NULL) {
+ ERROR("binding [%s] no verbs...", path);
+ goto error;
+ }
+
+ return afb_api_so_v2_add_binding(binding, handle, apiset, data);
+
+ error:
+ return -1;
+}
+