/*
- * 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_V2 && WITH_DYNAMIC_BINDING
+
#define _GNU_SOURCE
-#define AFB_BINDING_PRAGMA_NO_VERBOSE_MACRO
+#include <stdlib.h>
#include <string.h>
#include <dlfcn.h>
#include <assert.h>
+#include <stdarg.h>
+#include <errno.h>
-#include <afb/afb-binding.h>
#include <json-c/json.h>
+#include <afb/afb-binding-v2.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-auth.h"
+#include "afb-export.h"
#include "afb-evt.h"
-#include "afb-common.h"
#include "afb-context.h"
#include "afb-api-so.h"
#include "afb-xreq.h"
+#include "sig-monitor.h"
#include "verbose.h"
/*
* names of symbols
*/
static const char afb_api_so_v2_descriptor[] = "afbBindingV2";
-static const char afb_api_so_v2_verbosity[] = "afbBindingV2verbosity";
+static const char afb_api_so_v2_data[] = "afbBindingV2data";
-/*
- * Description of a binding
- */
-struct api_so_v2 {
- const struct afb_binding_v2 *binding; /* descriptor */
- int *verbosity; /* verbosity */
- void *handle; /* context of dlopen */
- struct afb_svc *service; /* handler for service started */
- struct afb_ditf ditf; /* daemon interface */
+struct preinit
+{
+ int return_code;
+ const struct afb_binding_v2 *binding;
};
-static const struct afb_verb_v2 *search(struct api_so_v2 *desc, const char *name)
+static const struct afb_verb_v2 *search(const struct afb_binding_v2 *binding, const char *name)
{
const struct afb_verb_v2 *verb;
- verb = desc->binding->verbs;
+ verb = binding->verbs;
while (verb->verb && strcasecmp(verb->verb, name))
verb++;
return verb->verb ? verb : NULL;
return NULL;
}
-static void call_cb(void *closure, struct afb_xreq *xreq)
+void afb_api_so_v2_process_call(const struct afb_binding_v2 *binding, struct afb_xreq *xreq)
{
- struct api_so_v2 *desc = closure;
const struct afb_verb_v2 *verb;
- verb = search(desc, xreq->verb);
+ verb = search(binding, xreq->request.called_verb);
afb_xreq_call_verb_v2(xreq, verb);
}
-static int service_start_cb(void *closure, int share_session, int onneed, struct afb_apiset *apiset)
+struct json_object *afb_api_so_v2_make_description_openAPIv3(const struct afb_binding_v2 *binding, const char *apiname)
{
- int (*start)(struct afb_service service);
- void (*onevent)(struct afb_service service, const char *event, struct json_object *object);
-
- struct api_so_v2 *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->api);
- return -1;
- }
-
- /* get the initialisation */
- start = desc->binding->start;
- if (start == NULL) {
- /* not an error when onneed */
- if (onneed != 0)
- return 0;
+ char buffer[256];
+ const struct afb_verb_v2 *verb;
+ struct json_object *r, *f, *a, *i, *p, *g;
+ enum json_tokener_error jerr;
- /* no initialisation method */
- ERROR("Binding %s is not a service", desc->binding->api);
- return -1;
+ if (binding->specification) {
+ r = json_tokener_parse_verbose(binding->specification, &jerr);
+ if (jerr == json_tokener_success)
+ return r;
}
- /* get the event handler if any */
- onevent = desc->binding->onevent;
- desc->service = afb_svc_create_v2(apiset, share_session, start, onevent, &desc->ditf);
- if (desc->service == NULL) {
- /* starting error */
- ERROR("Starting service %s failed", desc->binding->api);
- return -1;
+ 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->info ?: apiname));
+
+ p = json_object_new_object();
+ json_object_object_add(r, "paths", p);
+ verb = 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 = afb_auth_json_x2(verb->auth, 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->verb));
+ verb++;
}
-
- return 0;
+ return r;
}
-static void update_hooks_cb(void *closure)
+static void do_preinit(int sig, void *closure)
{
- struct api_so_v2 *desc = closure;
- afb_ditf_update_hook(&desc->ditf);
-}
-
-static int get_verbosity_cb(void *closure)
-{
- struct api_so_v2 *desc = closure;
- return *desc->verbosity;
-}
-
-static void set_verbosity_cb(void *closure, int level)
-{
- struct api_so_v2 *desc = closure;
- *desc->verbosity = level;
-}
-
-static struct json_object *describe_cb(void *closure)
-{
- struct api_so_v2 *desc = closure;
- return desc->binding->specification ? json_tokener_parse(desc->binding->specification) : NULL;
-}
-
-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
+ struct preinit *preinit = closure;
+ if (!sig)
+ preinit->return_code = preinit->binding->preinit();
+ else {
+ errno = EINTR;
+ preinit->return_code = -1;
+ }
};
-int afb_api_so_v2_add_binding(const struct afb_binding_v2 *binding, void *handle, struct afb_apiset *apiset, int *pver)
+int afb_api_so_v2_add_binding(
+ const struct afb_binding_v2 *binding,
+ void *handle,
+ struct afb_apiset *declare_set,
+ struct afb_apiset * call_set,
+ struct afb_binding_data_v2 *data,
+ const char *path)
{
int rc;
- struct api_so_v2 *desc;
- struct afb_api afb_api;
+ struct afb_export *export;
+ struct preinit preinit;
/* basic checks */
+ assert(binding);
assert(binding->api);
- assert(binding->specification);
assert(binding->verbs);
+ assert(data);
/* allocates the description */
- desc = malloc(sizeof *desc);
- if (desc == NULL) {
+ export = afb_export_create_v2(declare_set, call_set, binding->api, binding, data, binding->init, binding->onevent, path);
+ if (!export) {
ERROR("out of memory");
goto error;
}
- desc->binding = binding;
- desc->verbosity = pver;
- desc->handle = handle;
- desc->service = NULL;
- memset(&desc->ditf, 0, sizeof desc->ditf);
-
- /* init the interface */
- afb_ditf_init_v2(&desc->ditf, binding->api);
+ /* records the binding */
+ if (afb_export_declare(export, binding->noconcurrency) < 0) {
+ ERROR("binding %s can't be registered to set %s...", afb_export_apiname(export), afb_apiset_name(declare_set));
+ goto error;
+ }
/* init the binding */
- if (binding->init) {
- INFO("binding %s calling init function", binding->api);
- rc = binding->init(desc->ditf.daemon);
+ if (binding->preinit) {
+ INFO("binding %s calling preinit function", binding->api);
+ preinit.binding = binding;
+ sig_monitor(0, do_preinit, &preinit);
+ rc = preinit.return_code;
if (rc < 0) {
- ERROR("binding %s initialisation function failed...", binding->api);
- goto error2;
+ ERROR("binding %s preinit function failed...", afb_export_apiname(export));
+ afb_export_undeclare(export);
+ goto error;
}
}
- /* records the binding */
- afb_api.closure = desc;
- afb_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;
- }
- INFO("binding %s added to set %s", binding->api, afb_apiset_name(apiset));
+ INFO("binding %s added to set %s", afb_export_apiname(export), afb_apiset_name(declare_set));
return 1;
-error2:
- free(desc);
error:
+ afb_export_unref(export);
+
return -1;
}
-int afb_api_so_v2_add(const char *path, void *handle, struct afb_apiset *apiset)
+int afb_api_so_v2_add(const char *path, void *handle, struct afb_apiset *declare_set, struct afb_apiset * call_set)
{
const struct afb_binding_v2 *binding;
- int *pver;
+ struct afb_binding_data_v2 *data;
/* retrieves the register function */
binding = dlsym(handle, afb_api_so_v2_descriptor);
- pver = dlsym(handle, afb_api_so_v2_verbosity);
- if (!binding && !pver)
+ 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 || !pver) {
- ERROR("binding [%s] incomplete symbols...", path);
+ 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] invalid api name...", path);
goto error;
}
- if (binding->specification == NULL || *binding->specification == 0) {
- ERROR("binding [%s] bad specification...", path);
- goto error;
- }
+
if (binding->verbs == NULL) {
ERROR("binding [%s] no verbs...", path);
goto error;
}
- return afb_api_so_v2_add_binding(binding, handle, apiset, pver);
+ return afb_api_so_v2_add_binding(binding, handle, declare_set, call_set, data, path);
error:
return -1;
}
+#endif
Code Review / src / app-framework-binder.git / blobdiff