/*
* Copyright (C) 2016 "IoT.bzh"
- * Author "Fulup Ar Foll"
* Author José Bollo <jose.bollo@iot.bzh>
*
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
- * Contain all generic part to handle REST/API
- *
- * https://www.gnu.org/software/libmicrohttpd/tutorial.html [search 'largepost.c']
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
*/
#define _GNU_SOURCE
#include "afb-plugin.h"
#include "afb-req-itf.h"
-#include "afb-poll-itf.h"
+#include "afb-evmgr-itf.h"
#include "session.h"
+#include "afb-common.h"
+#include "afb-context.h"
#include "afb-apis.h"
#include "afb-api-so.h"
#include "verbose.h"
-#include "utils-upoll.h"
+
+extern __thread sigjmp_buf *error_handler;
struct api_so_desc {
- struct AFB_plugin *plugin; /* descriptor */
- void *handle; /* context of dlopen */
- struct AFB_interface interface;
+ struct AFB_plugin *plugin; /* descriptor */
+ size_t apilength;
+ void *handle; /* context of dlopen */
+ struct AFB_interface interface; /* interface */
};
static int api_timeout = 15;
static const char plugin_register_function[] = "pluginRegister";
-static const struct afb_poll_itf upoll_itf = {
- .on_readable = (void*)upoll_on_readable,
- .on_writable = (void*)upoll_on_writable,
- .on_hangup = (void*)upoll_on_hangup,
- .close = (void*)upoll_close
-};
-
-static struct afb_poll itf_poll_open(int fd, void *closure)
+static void afb_api_so_evmgr_push(struct api_so_desc *desc, const char *name, struct json_object *object)
{
- struct afb_poll result;
- result.data = upoll_open(fd, closure);
- result.itf = result.data ? &upoll_itf : NULL;
- return result;
+ size_t length;
+ char *event;
+
+ assert(desc->plugin != NULL);
+ length = strlen(name);
+ event = alloca(length + 2 + desc->apilength);
+ memcpy(event, desc->plugin->prefix, desc->apilength);
+ event[desc->apilength] = '/';
+ memcpy(event + desc->apilength + 1, name, length + 1);
+ ctxClientEventSend(NULL, event, object);
}
-static void free_context(struct api_so_desc *desc, void *context)
-{
- void (*cb)(void*);
+static const struct afb_evmgr_itf evmgr_itf = {
+ .push = (void*)afb_api_so_evmgr_push
+};
- cb = desc->plugin->freeCtxCB;
- if (cb)
- cb(context);
- else
- free(context);
+static struct afb_evmgr afb_api_so_get_evmgr(struct api_so_desc *desc)
+{
+ return (struct afb_evmgr){ .itf = &evmgr_itf, .closure = desc };
}
+static const struct afb_daemon_itf daemon_itf = {
+ .get_evmgr = (void*)afb_api_so_get_evmgr,
+ .get_event_loop = (void*)afb_common_get_event_loop,
+ .get_user_bus = (void*)afb_common_get_user_bus,
+ .get_system_bus = (void*)afb_common_get_system_bus
+};
+
-// Check of apiurl is declare in this plugin and call it
-extern __thread sigjmp_buf *error_handler;
static void trapping_call(struct afb_req req, void(*cb)(struct afb_req))
{
volatile int signum, timerset;
struct sigevent sevp;
struct itimerspec its;
- // save context before calling the API
timerset = 0;
older = error_handler;
signum = setjmp(jmpbuf);
error_handler = older;
}
-static void call_check(struct afb_req req, const struct AFB_restapi *verb)
+static void call_check(struct afb_req req, struct afb_context *context, const struct AFB_restapi *verb)
{
- switch(verb->session) {
- case AFB_SESSION_CREATE:
- if (!afb_req_session_create(req))
- return;
- break;
- case AFB_SESSION_RENEW:
- if (!afb_req_session_check(req, 1))
+ int stag = (int)(verb->session & AFB_SESSION_MASK);
+
+ if (stag != AFB_SESSION_NONE) {
+ if (!afb_context_check(context)) {
+ afb_context_close(context);
+ afb_req_fail(req, "failed", "invalid token's identity");
return;
- break;
- case AFB_SESSION_CLOSE:
- case AFB_SESSION_CHECK:
- if (!afb_req_session_check(req, 0))
+ }
+ }
+
+ if ((stag & AFB_SESSION_CREATE) != 0) {
+ if (!afb_context_create(context)) {
+ afb_context_close(context);
+ afb_req_fail(req, "failed", "invalid creation state");
return;
- break;
- case AFB_SESSION_NONE:
- default:
- break;
+ }
}
- trapping_call(req, verb->callback);
+
+ if ((stag & (AFB_SESSION_CREATE | AFB_SESSION_RENEW)) != 0)
+ afb_context_refresh(context);
- if (verb->session == AFB_SESSION_CLOSE)
- afb_req_session_close(req);
+ if ((stag & AFB_SESSION_CLOSE) != 0)
+ afb_context_close(context);
+
+ trapping_call(req, verb->callback);
}
-static void call(struct api_so_desc *desc, struct afb_req req, const char *verb, size_t lenverb)
+static void call(struct api_so_desc *desc, struct afb_req req, struct afb_context *context, const char *verb, size_t lenverb)
{
const struct AFB_restapi *v;
while (v->name && (strncasecmp(v->name, verb, lenverb) || v->name[lenverb]))
v++;
if (v->name)
- call_check(req, v);
+ call_check(req, context, v);
else
afb_req_fail_f(req, "unknown-verb", "verb %.*s unknown within api %s", (int)lenverb, verb, desc->plugin->prefix);
}
-
-
int afb_api_so_add_plugin(const char *path)
{
struct api_so_desc *desc;
desc = calloc(1, sizeof *desc);
if (desc == NULL) {
- fprintf(stderr, "[%s] out of memory\n", path);
+ ERROR("out of memory");
goto error;
}
// This is a loadable library let's check if it's a plugin
desc->handle = dlopen(path, RTLD_NOW | RTLD_LOCAL);
if (desc->handle == NULL) {
- fprintf(stderr, "[%s] not loadable, continuing...\n", path);
+ ERROR("plugin [%s] not loadable", path);
goto error2;
}
/* retrieves the register function */
pluginRegisterFct = dlsym(desc->handle, plugin_register_function);
if (!pluginRegisterFct) {
- fprintf(stderr, "[%s] not an AFB plugin, continuing...\n", path);
+ ERROR("plugin [%s] is not an AFB plugin", path);
goto error3;
}
- if (verbosity)
- fprintf(stderr, "[%s] is a valid AFB plugin\n", path);
+ INFO("plugin [%s] is a valid AFB plugin", path);
/* init the interface */
desc->interface.verbosity = 0;
desc->interface.mode = AFB_MODE_LOCAL;
- desc->interface.poll_open = itf_poll_open;
+ desc->interface.daemon.itf = &daemon_itf;
+ desc->interface.daemon.closure = desc;
/* init the plugin */
desc->plugin = pluginRegisterFct(&desc->interface);
if (desc->plugin == NULL) {
- fprintf(stderr, "ERROR: plugin [%s] register function failed. continuing...\n", path);
+ ERROR("plugin [%s] register function failed. continuing...", path);
goto error3;
}
/* check the returned structure */
if (desc->plugin->type != AFB_PLUGIN_JSON) {
- fprintf(stderr, "ERROR: plugin [%s] invalid type %d...\n", path, desc->plugin->type);
+ ERROR("plugin [%s] invalid type %d...", path, desc->plugin->type);
goto error3;
}
if (desc->plugin->prefix == NULL || *desc->plugin->prefix == 0) {
- fprintf(stderr, "ERROR: plugin [%s] bad prefix...\n", path);
+ ERROR("plugin [%s] bad prefix...", path);
goto error3;
}
if (desc->plugin->info == NULL || *desc->plugin->info == 0) {
- fprintf(stderr, "ERROR: plugin [%s] bad description...\n", path);
+ ERROR("plugin [%s] bad description...", path);
goto error3;
}
if (desc->plugin->apis == NULL) {
- fprintf(stderr, "ERROR: plugin [%s] no APIs...\n", path);
+ ERROR("plugin [%s] no APIs...", path);
goto error3;
}
/* records the plugin */
+ desc->apilength = strlen(desc->plugin->prefix);
if (afb_apis_add(desc->plugin->prefix, (struct afb_api){
.closure = desc,
- .call = (void*)call,
- .free_context = (void*)free_context}) < 0) {
- fprintf(stderr, "ERROR: plugin [%s] can't be registered...\n", path);
+ .call = (void*)call}) < 0) {
+ ERROR("plugin [%s] can't be registered...", path);
goto error3;
}
-
+ NOTICE("plugin %s loaded with API prefix %s", path, desc->plugin->prefix);
return 0;
error3:
/* open the DIR now */
dir = opendir(path);
if (dir == NULL) {
- fprintf(stderr, "ERROR in scanning plugin directory %s, %m\n", path);
+ ERROR("can't scan plugin directory %s, %m", path);
return -1;
}
- if (verbosity)
- fprintf(stderr, "Scanning dir=[%s] for plugins\n", path);
+ INFO("Scanning dir=[%s] for plugins", path);
/* scan each entry */
if (end)
len = strlen(ent.d_name);
if (len + end >= PATH_MAX) {
- fprintf(stderr, "path too long for %s\n", ent.d_name);
+ ERROR("path too long while scanning plugins for %s", ent.d_name);
continue;
}
memcpy(&path[end], ent.d_name, len+1);
length = strlen(path);
if (length >= sizeof(buffer)) {
- fprintf(stderr, "path too long %lu [%.99s...]\n", (unsigned long)length, path);
+ ERROR("path too long %lu [%.99s...]", (unsigned long)length, path);
return -1;
}
rc = stat(path, &st);
if (rc < 0)
- fprintf(stderr, "Invalid plugin path [%s]: %m\n", path);
+ ERROR("Invalid plugin path [%s]: %m", path);
else if (S_ISDIR(st.st_mode))
rc = afb_api_so_add_directory(path);
- else
+ else if (strstr(path, ".so"))
rc = afb_api_so_add_plugin(path);
+ else
+ INFO("not a plugin [%s], skipped", path);
return rc;
}
};
}
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Code Review / src / app-framework-binder.git / blobdiff