X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fafb-api-so-v2.c;h=3281224326c0d4e3f4f63e5f4383e856af4c1716;hb=6634329b7a1a94aa1555649b933010fb9fcd0381;hp=2d939fbcb17d7c1018427499b1dba766261172be;hpb=a8e971702f23ee67e02b4716ad4159f12cefdca6;p=src%2Fapp-framework-binder.git

diff --git a/src/afb-api-so-v2.c b/src/afb-api-so-v2.c
index 2d939fbc..32812243 100644
--- a/src/afb-api-so-v2.c
+++ b/src/afb-api-so-v2.c
@@ -16,15 +16,17 @@
  */
 
 #define _GNU_SOURCE
-#define NO_BINDING_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-api-so-v2.h"
 #include "afb-apiset.h"
 #include "afb-svc.h"
 #include "afb-ditf.h"
@@ -33,31 +35,35 @@
 #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 */
+	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_ditf ditf;		/* daemon interface */
 };
 
-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 *result;
+	const struct afb_verb_v2 *verb;
 
-	result = desc->binding->verbs;
-	while (result->verb && strcasecmp(result->verb, verb))
-		result++;
-	return result->verb ? result : NULL;
+	verb = desc->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)
@@ -66,15 +72,13 @@ static void call_cb(void *closure, struct afb_xreq *xreq)
 	const struct afb_verb_v2 *verb;
 
 	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_so_call(xreq, verb->session, verb->callback);
+	afb_xreq_call_verb_v2(xreq, verb);
 }
 
 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 rc;
+	int (*start)();
 	void (*onevent)(const char *event, struct json_object *object);
 
 	struct api_so_v2 *desc = closure;
@@ -83,34 +87,47 @@ static int service_start_cb(void *closure, int share_session, int onneed, struct
 	if (desc->service != NULL) {
 		/* not an error when onneed */
 		if (onneed != 0)
-			return 0;
+			goto done;
 
 		/* already started: it is an error */
-		ERROR("Service %s already started", desc->binding->api);
+		ERROR("Service %s already started", desc->ditf.api);
 		return -1;
 	}
 
 	/* 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;
+			goto done;
 
 		/* no initialisation method */
-		ERROR("Binding %s is not a service", desc->binding->api);
+		ERROR("Binding %s is not a service", desc->ditf.api);
 		return -1;
 	}
 
 	/* get the event handler if any */
-	onevent = desc->binding->onevent;
-	desc->service = afb_svc_create_v2(apiset, share_session, onevent, start, &desc->ditf.interface);
+	desc->service = afb_svc_create(desc->ditf.api, apiset, share_session, onevent, &desc->data->service);
 	if (desc->service == NULL) {
 		/* starting error */
-		ERROR("Starting service %s failed", desc->binding->api);
+		ERROR("Starting service %s failed", desc->ditf.api);
 		return -1;
 	}
 
+	/* Starts the service */
+	desc->ditf.state = Daemon_Init;
+	rc = afb_svc_start_v2(desc->service, start);
+	if (rc < 0) {
+		/* initialisation error */
+		ERROR("Initialisation of service %s failed (%d): %m", desc->ditf.api, rc);
+		afb_svc_destroy(desc->service, &desc->data->service);
+		desc->service = NULL;
+		return rc;
+	}
+
+done:
+	desc->ditf.state = Daemon_Run;
 	return 0;
 }
 
@@ -118,18 +135,143 @@ static void update_hooks_cb(void *closure)
 {
 	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->ditf.interface.verbosity;
+	return desc->data->verbosity;
 }
 
 static void set_verbosity_cb(void *closure, int level)
 {
 	struct api_so_v2 *desc = closure;
-	desc->ditf.interface.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 *addauth_or_array(struct json_object *o, const struct afb_auth *auth);
+
+static struct json_object *addauth(struct json_object *o, const struct afb_auth *auth)
+{
+	switch(auth->type) {
+	case afb_auth_No: return addperm(o, json_object_new_boolean(0));
+	case afb_auth_Token: return addperm_key_valstr(o, "session", "check");
+	case afb_auth_LOA: return addperm_key_valint(o, "LOA", auth->loa);
+	case afb_auth_Permission: return addperm_key_valstr(o, "permission", auth->text);
+	case afb_auth_Or: return addperm_key_val(o, "anyOf", addauth_or_array(json_object_new_array(), auth));
+	case afb_auth_And: return addauth(addauth(o, auth->first), auth->next);
+	case afb_auth_Not: return addperm_key_val(o, "not", addauth(NULL, auth->first));
+	case afb_auth_Yes: return addperm(o, json_object_new_boolean(1));
+	}
+	return o;
+}
+
+static struct json_object *addauth_or_array(struct json_object *o, const struct afb_auth *auth)
+{
+	if (auth->type != afb_auth_Or)
+		json_object_array_add(o, addauth(NULL, auth));
+	else {
+		addauth_or_array(o, auth->first);
+		addauth_or_array(o, auth->next);
+	}
+
+	return o;
+}
+
+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->ditf.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->ditf.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 (verb->auth)
+			a = addauth(a, verb->auth);
+		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;
+	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 = {
@@ -137,40 +279,21 @@ static struct afb_api_itf so_v2_api_itf = {
 	.service_start = service_start_cb,
 	.update_hooks = update_hooks_cb,
 	.get_verbosity = get_verbosity_cb,
-	.set_verbosity = set_verbosity_cb
+	.set_verbosity = set_verbosity_cb,
+	.describe = describe_cb
 };
 
-int afb_api_so_v2_add(const char *path, void *handle, struct afb_apiset *apiset)
+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_binding_v2 *binding;
 	struct afb_api afb_api;
 
-	/* retrieves the register function */
-	binding = dlsym(handle, afb_api_so_v2_descriptor);
-	if (!binding)
-		return 0;
-
-	INFO("binding [%s] looks like an AFB binding V2", path);
-
 	/* basic checks */
-	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 (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;
-	}
+	assert(binding);
+	assert(binding->api);
+	assert(binding->verbs);
+	assert(data);
 
 	/* allocates the description */
 	desc = calloc(1, sizeof *desc);
@@ -179,19 +302,20 @@ int afb_api_so_v2_add(const char *path, void *handle, struct afb_apiset *apiset)
 		goto error;
 	}
 	desc->binding = binding;
+	desc->data = data;
 	desc->handle = handle;
+	desc->service = NULL;
 
 	/* init the interface */
-	afb_ditf_init(&desc->ditf, binding->api);
-
-	/* 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->ditf.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...", desc->ditf.api);
 			goto error2;
 		}
 	}
@@ -199,11 +323,12 @@ int afb_api_so_v2_add(const char *path, void *handle, struct afb_apiset *apiset)
 	/* 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...", path);
+	afb_api.noconcurrency = binding->noconcurrency;
+	if (afb_apiset_add(apiset, desc->ditf.api, afb_api) < 0) {
+		ERROR("binding %s can't be registered to set %s...", desc->ditf.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", desc->ditf.api, afb_apiset_name(apiset));
 	return 1;
 
 error2:
@@ -212,3 +337,47 @@ error:
 	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;
+}
+