/*
- * 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
-#define NO_BINDING_VERBOSE_MACRO
+#include <stdio.h>
#include <string.h>
#include <dlfcn.h>
#include <assert.h>
+#include <stdarg.h>
-#include <afb/afb-binding.h>
+#include <json-c/json.h>
+#include <afb/afb-binding-v1.h>
-#include "afb-apis.h"
-#include "afb-svc.h"
-#include "afb-evt.h"
+#include "afb-api.h"
+#include "afb-api-so-v1.h"
+#include "afb-apiset.h"
+#include "afb-export.h"
#include "afb-common.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 *binding; /* descriptor */
- size_t apilength; /* length of the API name */
- void *handle; /* context of dlopen */
- struct afb_svc *service; /* handler for service started */
- struct afb_binding_interface interface; /* interface for the binding */
-};
-
-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_v1 *desc = closure;
-
- /* makes the event name */
- assert(desc->binding != NULL);
- length = strlen(name);
- event = alloca(length + 2 + desc->apilength);
- memcpy(event, desc->binding->v1.prefix, 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)
-{
- size_t length;
- char *event;
- struct api_so_v1 *desc = closure;
-
- /* makes the event name */
- assert(desc->binding != NULL);
- length = strlen(name);
- event = alloca(length + 2 + desc->apilength);
- memcpy(event, desc->binding->v1.prefix, desc->apilength);
- event[desc->apilength] = '/';
- memcpy(event + desc->apilength + 1, name, length + 1);
-
- return afb_evt_broadcast(event, object);
-}
-
-static void afb_api_so_vverbose_cb(void *closure, int level, const char *file, int line, const char *fmt, va_list args)
-{
- char *p;
- struct api_so_v1 *desc = closure;
-
- if (vasprintf(&p, fmt, args) < 0)
- vverbose(level, file, line, fmt, args);
- else {
- verbose(level, file, line, "%s {binding %s}", p, desc->binding->v1.prefix);
- free(p);
- }
-}
-
-static int afb_api_so_rootdir_get_fd(void *closure)
-{
- return afb_common_rootdir_get_fd();
-}
-
-static int afb_api_so_rootdir_open_locale(void *closure, const char *filename, int flags, const char *locale)
-{
- return afb_common_rootdir_open_locale(filename, flags, locale);
-}
-
-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);
- if (!verb)
- afb_xreq_fail_f(xreq, "unknown-verb", "verb %s unknown within api %s", xreq->verb, desc->binding->v1.prefix);
- else {
- xreq->timeout = afb_api_so_timeout;
- xreq->sessionflags = (int)verb->session;
- xreq->group = desc;
- xreq->callback = verb->callback;
- afb_xreq_call(xreq);
- }
+ 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 json_object *afb_api_so_v1_make_description_openAPIv3(struct afb_binding_v1 *binding, const char *apiname)
{
- int (*init)(struct afb_service service);
- void (*onevent)(const char *event, struct json_object *object);
-
- struct api_so_v1 *desc = closure;
-
- /* check state */
- if (desc->service != NULL) {
- /* not an error when onneed */
- if (onneed != 0)
- return 0;
-
- /* already started: it is an error */
- ERROR("Service %s already started", desc->binding->v1.prefix);
- return -1;
- }
-
- /* get the initialisation */
- init = dlsym(desc->handle, afb_api_so_v1_service_init);
- if (init == NULL) {
- /* not an error when onneed */
- if (onneed != 0)
- return 0;
-
- /* no initialisation method */
- ERROR("Binding %s is not a service", desc->binding->v1.prefix);
- return -1;
- }
-
- /* get the event handler if any */
- onevent = dlsym(desc->handle, afb_api_so_v1_service_event);
- desc->service = afb_svc_create(share_session, init, onevent);
- if (desc->service == NULL) {
- /* starting error */
- ERROR("Starting service %s failed", desc->binding->v1.prefix);
- return -1;
+ char buffer[256];
+ const struct afb_verb_desc_v1 *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(apiname));
+ json_object_object_add(i, "version", json_object_new_string("0.0.0"));
+ 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 = binding->v1.verbs;
+ while (verb->name) {
+ buffer[0] = '/';
+ strncpy(buffer + 1, verb->name, 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 = afb_auth_json_x1(verb->session);
+ 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->info));
+ verb++;
}
-
- return 0;
+ return r;
}
-int afb_api_so_v1_add(const char *path, void *handle)
+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 *(*register_function) (const struct afb_binding_interface *interface);
- struct afb_verb_desc_v1 fake_verb;
- struct afb_binding fake_binding;
+ struct afb_binding_v1 *binding; /* descriptor */
+ struct afb_binding_v1 *(*register_function) (const struct afb_binding_interface_v1 *interface);
+ 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 */
- desc = calloc(1, sizeof *desc);
- if (desc == 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->handle = handle;
-
- /* 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->binding = &fake_binding;
- fake_binding.type = AFB_BINDING_VERSION_1;
- fake_binding.v1.info = path;
- fake_binding.v1.prefix = path;
- fake_binding.v1.verbs = &fake_verb;
- fake_verb.name = NULL;
-
- /* init the binding */
- NOTICE("binding [%s] calling registering function %s", path, afb_api_so_v1_register);
- desc->binding = register_function(&desc->interface);
- if (desc->binding == NULL) {
- ERROR("binding [%s] register function failed. continuing...", path);
- goto error2;
+ 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);
- goto error2;
+ 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 error2;
+ goto error;
}
- if (!afb_apis_is_valid_api_name(desc->binding->v1.prefix)) {
+ if (!afb_api_is_valid_name(binding->v1.prefix)) {
ERROR("binding [%s] invalid prefix...", path);
- goto error2;
+ 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 error2;
+ goto error;
}
- if (desc->binding->v1.verbs == NULL) {
- ERROR("binding [%s] no APIs...", path);
- goto error2;
+ if (binding->v1.verbs == NULL) {
+ ERROR("binding [%s] no verbs...", path);
+ goto error;
}
/* records the binding */
- desc->apilength = strlen(desc->binding->v1.prefix);
- if (afb_apis_add(desc->binding->v1.prefix, (struct afb_api){
- .closure = desc,
- .call = call_cb,
- .service_start = service_start_cb }) < 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 error2;
+ goto error;
}
- NOTICE("binding %s loaded with API prefix %s", path, desc->binding->v1.prefix);
+ INFO("binding %s loaded with API prefix %s", path, afb_export_apiname(export));
+ afb_export_unref(export);
return 1;
-error2:
- free(desc);
error:
+ afb_export_unref(export);
+
return -1;
}
+#endif
+
Code Review / src / app-framework-binder.git / blobdiff