#define _GNU_SOURCE
#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-api.h"
#include "afb-context.h"
#include "afb-api-so.h"
#include "afb-xreq.h"
-#include "afb-perm.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_verbosity[] = "afbBindingV2verbosity";
-
-/**
- * structure for memorizing verbs sorted with permissions
- */
-struct verb_v2 {
- const struct afb_verb_v2 *verb;
- struct afb_perm *perm;
-};
+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 */
+ struct afb_binding_data_v2 *data; /* data */
void *handle; /* context of dlopen */
struct afb_svc *service; /* handler for service started */
struct afb_ditf ditf; /* daemon interface */
- int count;
- struct verb_v2 verbs[1];
};
-static const struct afb_verb_v2 *search(struct api_so_v2 *desc, const char *verb)
+static const struct afb_verb_v2 *search(struct api_so_v2 *desc, const char *name)
{
- const struct afb_verb_v2 *v;
- int i, l, u, c;
-
- l = 0;
- u = desc->count;
- while (l < u) {
- i = (l + u) >> 1;
- v = desc->verbs[i].verb;
- c = strcasecmp(v->verb, verb);
- if (c == 0)
- return v;
- if (c < 0)
- l = i + 1;
- else
- u = i;
- }
+ const struct afb_verb_v2 *verb;
+
+ verb = desc->binding->verbs;
+ while (verb->verb && strcasecmp(verb->verb, name))
+ verb++;
+ return verb->verb ? verb : NULL;
return NULL;
}
afb_xreq_call_verb_v2(xreq, verb);
}
+struct call_sync
+{
+ struct api_so_v2 *desc;
+ struct afb_xreq *xreq;
+};
+
+static void call_sync_cb_cb(int signum, void *closure)
+{
+ 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_sync_cb(void *closure, struct afb_xreq *xreq)
+{
+ struct call_sync cs = { .desc = closure, .xreq = xreq };
+
+ 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, struct afb_apiset *apiset)
{
- int (*start)(struct afb_service service);
- void (*onevent)(struct afb_service service, const char *event, struct json_object *object);
+ 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(apiset, share_session, start, onevent, &desc->ditf);
+ 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);
{
struct api_so_v2 *desc = closure;
afb_ditf_update_hook(&desc->ditf);
+ if (desc->service)
+ afb_svc_update_hook(desc->service);
}
static int get_verbosity_cb(void *closure)
{
struct api_so_v2 *desc = closure;
- return *desc->verbosity;
+ return desc->data->verbosity;
}
static void set_verbosity_cb(void *closure, int level)
{
struct api_so_v2 *desc = closure;
- *desc->verbosity = level;
+ desc->data->verbosity = 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_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"));
+ json_object_object_add(i, "description", json_object_new_string(desc->binding->info ?: desc->binding->api));
+
+ 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->info?:verb->verb));
+ verb++;
+ }
+ return r;
}
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;
+ struct json_object *r = desc->binding->specification ? json_tokener_parse(desc->binding->specification) : NULL;
+ if (!r)
+ r = make_description_openAPIv3(desc);
+ return r;
}
static struct afb_api_itf so_v2_api_itf = {
.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, int *pver)
+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;
- const struct afb_verb_v2 *bv;
- int count, i, j;
/* basic checks */
+ assert(binding);
assert(binding->api);
- assert(binding->specification);
assert(binding->verbs);
-
- /* count the verbs */
- count = 0;
- while (binding->verbs[count].verb)
- count++;
+ assert(data);
/* allocates the description */
- desc = malloc(sizeof *desc + (count - 1) * sizeof desc->verbs);
+ desc = calloc(1, sizeof *desc);
if (desc == NULL) {
ERROR("out of memory");
goto error;
}
desc->binding = binding;
- desc->verbosity = pver;
+ desc->data = data;
desc->handle = handle;
desc->service = NULL;
- memset(&desc->ditf, 0, sizeof desc->ditf);
- desc->count = count;
-
- /* fill the verbs sorted */
- for (i = 0 ; i < count ; i++) {
- desc->verbs[i].perm = NULL;
- j = i;
- bv = &binding->verbs[j];
- while (j && strcasecmp(bv->verb, desc->verbs[j-1].verb->verb) < 0) {
- desc->verbs[j].verb = desc->verbs[j-1].verb;
- j--;
- }
- desc->verbs[j].verb = bv;
- }
-
- /* makes the permissions */
- for (i = 0 ; i < count ; i++) {
- if (desc->verbs[i].verb->permissions) {
- desc->verbs[i].perm = afb_perm_parse(desc->verbs[i].verb->permissions);
- if (!desc->verbs[i].perm) {
- ERROR("Bad permission specification for verb %s of api %s: %s",
- desc->verbs[i].verb->verb, binding->api,
- desc->verbs[i].verb->permissions);
- goto error2;
- }
- }
- }
/* init the interface */
- afb_ditf_init_v2(&desc->ditf, binding->api);
+ desc->data->verbosity = verbosity;
+ afb_ditf_init_v2(&desc->ditf, binding->api, data);
/* 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);
+ rc = binding->preinit();
if (rc < 0) {
- ERROR("binding %s initialisation function failed...", binding->api);
+ ERROR("binding %s preinit function failed...", binding->api);
goto error2;
}
}
/* records the binding */
afb_api.closure = desc;
- afb_api.itf = &so_v2_api_itf;
+ 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 added to set %s", binding->api, afb_apiset_name(apiset));
+ INFO("binding %s added to set %s", binding->api, afb_apiset_name(apiset));
return 1;
error2:
- count = desc->count;
- while (count)
- if (desc->verbs[--count].perm)
- afb_perm_unref(desc->verbs[count].perm);
free(desc);
error:
return -1;
int afb_api_so_v2_add(const char *path, void *handle, struct afb_apiset *apiset)
{
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 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, pver);
+ return afb_api_so_v2_add_binding(binding, handle, apiset, data);
error:
return -1;