/*
- * Copyright (C) 2016, 2017 "IoT.bzh"
+ * Copyright (C) 2015-2020 "IoT.bzh"
* Author José Bollo <jose.bollo@iot.bzh>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* limitations under the License.
*/
+#if WITH_LEGACY_BINDING_V1 && WITH_DYNAMIC_BINDING
+
#define _GNU_SOURCE
#include <stdio.h>
#include <string.h>
#include <dlfcn.h>
#include <assert.h>
+#include <stdarg.h>
#include <json-c/json.h>
-
#include <afb/afb-binding-v1.h>
#include "afb-api.h"
#include "afb-context.h"
#include "afb-api-so.h"
#include "afb-xreq.h"
+#include "afb-auth.h"
#include "verbose.h"
/*
static const char afb_api_so_v1_service_init[] = "afbBindingV1ServiceInit";
static const char afb_api_so_v1_service_event[] = "afbBindingV1ServiceEvent";
-/*
- * Description of a binding
- */
-struct api_so_v1 {
- struct afb_binding_v1 *binding; /* descriptor */
- void *handle; /* context of dlopen */
- struct afb_export *export; /* export */
-};
-
-static const struct afb_verb_desc_v1 *search(struct api_so_v1 *desc, const char *name)
+static const struct afb_verb_desc_v1 *search(struct afb_binding_v1 *binding, const char *name)
{
const struct afb_verb_desc_v1 *verb;
- verb = desc->binding->v1.verbs;
+ verb = binding->v1.verbs;
while (verb->name && strcasecmp(verb->name, name))
verb++;
return verb->name ? verb : NULL;
}
-static void call_cb(void *closure, struct afb_xreq *xreq)
+void afb_api_so_v1_process_call(struct afb_binding_v1 *binding, struct afb_xreq *xreq)
{
const struct afb_verb_desc_v1 *verb;
- struct api_so_v1 *desc = closure;
- verb = search(desc, xreq->verb);
+ verb = search(binding, xreq->request.called_verb);
afb_xreq_call_verb_v1(xreq, verb);
}
-static int service_start_cb(void *closure, int share_session, int onneed, struct afb_apiset *apiset)
-{
- int rc;
- int (*init)(struct afb_service service);
- void (*onevent)(const char *event, struct json_object *object);
-
- struct api_so_v1 *desc = closure;
-
- /* check state */
- if (afb_export_is_started(desc->export)) {
- /* not an error when onneed */
- if (onneed != 0)
- goto done;
-
- /* already started: it is an error */
- ERROR("Service %s already started", afb_export_apiname(desc->export));
- return -1;
- }
-
- /* get the initialisation */
- init = dlsym(desc->handle, afb_api_so_v1_service_init);
- onevent = dlsym(desc->handle, afb_api_so_v1_service_event);
-
- /* unshare the session if asked */
- if (!share_session) {
- rc = afb_export_unshare_session(desc->export);
- if (rc < 0) {
- ERROR("Can't unshare the session for %s", afb_export_apiname(desc->export));
- return -1;
- }
- }
-
- /* set event handling */
- rc = afb_export_handle_events(desc->export, onevent);
- if (rc < 0) {
- ERROR("Can't set event handler for %s", afb_export_apiname(desc->export));
- return -1;
- }
-
- /* Starts the service */
- rc = afb_export_start_v1(desc->export, init);
- if (rc < 0) {
- /* initialisation error */
- ERROR("Initialisation of service %s failed (%d): %m", afb_export_apiname(desc->export), rc);
- return rc;
- }
-
-done:
- return 0;
-}
-
-static void update_hooks_cb(void *closure)
-{
- struct api_so_v1 *desc = closure;
- afb_export_update_hook(desc->export);
-}
-
-static int get_verbosity_cb(void *closure)
-{
- struct api_so_v1 *desc = closure;
- return afb_export_verbosity_get(desc->export);
-}
-
-static void set_verbosity_cb(void *closure, int level)
-{
- struct api_so_v1 *desc = closure;
- afb_export_verbosity_set(desc->export, level);
-}
-
-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);
- }
- 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_openAPIv3(struct api_so_v1 *desc)
+struct json_object *afb_api_so_v1_make_description_openAPIv3(struct afb_binding_v1 *binding, const char *apiname)
{
char buffer[256];
const struct afb_verb_desc_v1 *verb;
i = json_object_new_object();
json_object_object_add(r, "info", i);
- json_object_object_add(i, "title", json_object_new_string(afb_export_apiname(desc->export)));
+ json_object_object_add(i, "title", json_object_new_string(apiname));
json_object_object_add(i, "version", json_object_new_string("0.0.0"));
- json_object_object_add(i, "description", json_object_new_string(desc->binding->v1.info ?: afb_export_apiname(desc->export)));
+ json_object_object_add(i, "description", json_object_new_string(binding->v1.info ?: apiname));
p = json_object_new_object();
json_object_object_add(r, "paths", p);
- verb = desc->binding->v1.verbs;
+ verb = binding->v1.verbs;
while (verb->name) {
buffer[0] = '/';
strncpy(buffer + 1, verb->name, sizeof buffer - 1);
g = json_object_new_object();
json_object_object_add(f, "get", g);
- a = NULL;
- if (verb->session & AFB_SESSION_CLOSE_V1)
- a = addperm_key_valstr(a, "session", "close");
- if (verb->session & AFB_SESSION_CHECK_V1)
- a = addperm_key_valstr(a, "session", "check");
- if (verb->session & AFB_SESSION_RENEW_V1)
- a = addperm_key_valstr(a, "token", "refresh");
- if (verb->session & AFB_SESSION_LOA_MASK_V1)
- a = addperm_key_valint(a, "LOA", (verb->session >> AFB_SESSION_LOA_SHIFT_V1) & AFB_SESSION_LOA_MASK_V1);
+ a = afb_auth_json_x1(verb->session);
if (a)
json_object_object_add(g, "x-permissions", a);
return r;
}
-static struct json_object *describe_cb(void *closure)
-{
- struct api_so_v1 *desc = closure;
-
- return make_description_openAPIv3(desc);
-}
-
-static struct afb_api_itf so_v1_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
-};
-
-int afb_api_so_v1_add(const char *path, void *handle, struct afb_apiset *apiset)
+int afb_api_so_v1_add(const char *path, void *handle, struct afb_apiset *declare_set, struct afb_apiset * call_set)
{
- struct api_so_v1 *desc;
+ struct afb_binding_v1 *binding; /* descriptor */
struct afb_binding_v1 *(*register_function) (const struct afb_binding_interface_v1 *interface);
- struct afb_api afb_api;
+ int (*init)(struct afb_service_x1 service);
+ void (*onevent)(const char *event, struct json_object *object);
struct afb_export *export;
/* retrieves the register function */
register_function = dlsym(handle, afb_api_so_v1_register);
if (!register_function)
return 0;
+
INFO("binding [%s] is a valid AFB binding V1", path);
/* allocates the description */
- export = afb_export_create_v1(path);
- desc = calloc(1, sizeof *desc);
- if (desc == NULL || export == NULL) {
- ERROR("out of memory");
+ init = dlsym(handle, afb_api_so_v1_service_init);
+ onevent = dlsym(handle, afb_api_so_v1_service_event);
+ export = afb_export_create_v1(declare_set, call_set, path, init, onevent, path);
+ if (export == NULL) {
+ ERROR("binding [%s] creation failure...", path);
goto error;
}
- desc->export = export;
- desc->handle = handle;
-
- /* init the binding */
- INFO("binding [%s] calling registering function %s", path, afb_api_so_v1_register);
- desc->binding = afb_export_register_v1(desc->export, register_function);
- if (desc->binding == NULL) {
- ERROR("binding [%s] register function failed. continuing...", path);
+ binding = afb_export_register_v1(export, register_function);
+ if (binding == NULL) {
+ ERROR("binding [%s] register failure...", path);
goto error;
}
/* check the returned structure */
- if (desc->binding->type != AFB_BINDING_VERSION_1) {
- ERROR("binding [%s] invalid type %d...", path, desc->binding->type);
+ if (binding->type != AFB_BINDING_VERSION_1) {
+ ERROR("binding [%s] invalid type %d...", path, binding->type);
goto error;
}
- if (desc->binding->v1.prefix == NULL || *desc->binding->v1.prefix == 0) {
+ if (binding->v1.prefix == NULL || *binding->v1.prefix == 0) {
ERROR("binding [%s] bad prefix...", path);
goto error;
}
- if (!afb_api_is_valid_name(desc->binding->v1.prefix)) {
+ if (!afb_api_is_valid_name(binding->v1.prefix)) {
ERROR("binding [%s] invalid prefix...", path);
goto error;
}
- if (desc->binding->v1.info == NULL || *desc->binding->v1.info == 0) {
+ if (binding->v1.info == NULL || *binding->v1.info == 0) {
ERROR("binding [%s] bad description...", path);
goto error;
}
- if (desc->binding->v1.verbs == NULL) {
- ERROR("binding [%s] no APIs...", path);
+ if (binding->v1.verbs == NULL) {
+ ERROR("binding [%s] no verbs...", path);
goto error;
}
/* records the binding */
- if (!strcmp(path, afb_export_apiname(desc->export)))
- afb_export_rename(desc->export, desc->binding->v1.prefix);
- afb_api.closure = desc;
- afb_api.itf = &so_v1_api_itf;
- afb_api.noconcurrency = 0;
- if (afb_apiset_add(apiset, afb_export_apiname(desc->export), afb_api) < 0) {
+ if (!strcmp(path, afb_export_apiname(export))) {
+ if (afb_export_rename(export, binding->v1.prefix) < 0) {
+ ERROR("binding [%s] can't be renamed to %s", path, binding->v1.prefix);
+ goto error;
+ }
+ }
+
+ if (afb_export_declare(export, 0) < 0) {
ERROR("binding [%s] can't be registered...", path);
goto error;
}
- INFO("binding %s loaded with API prefix %s", path, afb_export_apiname(desc->export));
+ INFO("binding %s loaded with API prefix %s", path, afb_export_apiname(export));
+ afb_export_unref(export);
return 1;
error:
- afb_export_destroy(export);
- free(desc);
+ afb_export_unref(export);
return -1;
}
+#endif
+
Code Review / src / app-framework-binder.git / blobdiff