X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fsession.c;h=3e08808faef926006ca55493db0f38fb765ffcb1;hb=04b1757467bcb4e287dd1c34d5a21f76705340d6;hp=11f535b3f87a9d543f91a460a234c63cd068cda0;hpb=83ce3b29a598141f8f28afde655beb07ec78c312;p=src%2Fapp-framework-binder.git

diff --git a/src/session.c b/src/session.c
index 11f535b3..3e08808f 100644
--- a/src/session.c
+++ b/src/session.c
@@ -2,22 +2,17 @@
  * Copyright (C) 2015 "IoT.bzh"
  * Author "Fulup Ar Foll"
  *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- * Reference:
- * http://stackoverflow.com/questions/25971505/how-to-delete-element-from-hsearch
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
+ * 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
@@ -28,8 +23,8 @@
 #include <string.h>
 #include <uuid/uuid.h>
 #include <assert.h>
+#include <errno.h>
 
-#include "afb-apis.h"
 #include "session.h"
 
 #define NOW (time(NULL))
@@ -45,6 +40,20 @@ static struct {
   const char *initok;
 } sessions;
 
+void *afb_context_get(struct afb_context *actx)
+{
+	return actx->context;
+}
+
+void afb_context_set(struct afb_context *actx, void *context, void (*free_context)(void*))
+{
+fprintf(stderr, "afb_context_set(%p,%p) was (%p,%p)\n",context, free_context, actx->context, actx->free_context);
+	if (actx->context != NULL && actx->free_context != NULL)
+		actx->free_context(actx->context);
+	actx->context = context;
+	actx->free_context = free_context;
+}
+
 // Free context [XXXX Should be protected again memory abort XXXX]
 static void ctxUuidFreeCB (struct AFB_clientCtx *client)
 {
@@ -54,22 +63,18 @@ static void ctxUuidFreeCB (struct AFB_clientCtx *client)
 	assert (client->contexts != NULL);
 
 	// Free client handle with a standard Free function, with app callback or ignore it
-	for (idx=0; idx < sessions.apicount; idx ++) {
-		if (client->contexts[idx] != NULL) {
-			afb_apis_free_context(idx, client->contexts[idx]);
-			client->contexts[idx] = NULL;
-		}
-	}
+	for (idx=0; idx < sessions.apicount; idx ++)
+		afb_context_set(&client->contexts[idx], NULL, NULL);
 }
 
 // Create a new store in RAM, not that is too small it will be automatically extended
-void ctxStoreInit (int nbSession, int timeout, const char *initok)
+void ctxStoreInit (int max_session_count, int timeout, const char *initok, int context_count)
 {
 	// let's create as store as hashtable does not have any
-	sessions.store = calloc (1 + (unsigned)nbSession, sizeof(struct AFB_clientCtx));
-	sessions.max = nbSession;
+	sessions.store = calloc (1 + (unsigned)max_session_count, sizeof(struct AFB_clientCtx));
+	sessions.max = max_session_count;
 	sessions.timeout = timeout;
-	sessions.apicount = afb_apis_count();
+	sessions.apicount = context_count;
 	if (strlen(initok) >= 37) {
 		fprintf(stderr, "Error: initial token '%s' too long (max length 36)", initok);
 		exit(1);
@@ -109,7 +114,7 @@ static int ctxStoreDel (struct AFB_clientCtx *client)
 
     for (idx=0; idx < sessions.max; idx++) {
         if (sessions.store[idx] == client) {
-	        sessions.store[idx]=NULL;
+	        sessions.store[idx] = NULL;
         	sessions.count--;
 	        status = 1;
 		goto deleted;
@@ -134,7 +139,7 @@ static int ctxStoreAdd (struct AFB_clientCtx *client)
 
     for (idx=0; idx < sessions.max; idx++) {
         if (NULL == sessions.store[idx]) {
-        	sessions.store[idx]= client;
+        	sessions.store[idx] = client;
 	        sessions.count++;
         	status = 1;
 		goto added;
@@ -184,17 +189,19 @@ struct AFB_clientCtx *ctxClientGetForUuid (const char *uuid)
         }
 
 	/* mimic old behaviour */
+/*
+TODO remove? not remove?
 	if (sessions.initok == NULL)
 		return NULL;
-
+*/
 	/* check the uuid if given */
-	if (uuid != NULL && 1 + strlen(uuid) >= sizeof clientCtx->uuid)
+	if (uuid != NULL && strlen(uuid) >= sizeof clientCtx->uuid)
 		return NULL;
 
 	/* returns a new one */
         clientCtx = calloc(1, sizeof(struct AFB_clientCtx)); // init NULL clientContext
 	if (clientCtx != NULL) {
-	        clientCtx->contexts = calloc ((unsigned)sessions.apicount, sizeof (void*));
+	        clientCtx->contexts = calloc ((unsigned)sessions.apicount, sizeof(*clientCtx->contexts));
 		if (clientCtx->contexts != NULL) {
 			/* generate the uuid */
 			if (uuid == NULL) {
@@ -243,7 +250,7 @@ void ctxClientClose (struct AFB_clientCtx *clientCtx)
 }
 
 // Sample Generic Ping Debug API
-int ctxTokenCheck (struct AFB_clientCtx *clientCtx, const char *token)
+int ctxTokenCheckLen (struct AFB_clientCtx *clientCtx, const char *token, size_t length)
 {
 	assert(clientCtx != NULL);
 	assert(token != NULL);
@@ -252,13 +259,20 @@ int ctxTokenCheck (struct AFB_clientCtx *clientCtx, const char *token)
 	if (ctxStoreTooOld (clientCtx, NOW))
 		return 0;
 
-	if (!clientCtx->token[0] || 0 == strcmp (token, clientCtx->token)) {
-		clientCtx->created = 1; /* creates by default */
-		return 1;
-	}
+	if (clientCtx->token[0] && (length >= sizeof(clientCtx->token) || strncmp (token, clientCtx->token, length) || clientCtx->token[length]))
+		return 0;
 
-	// Token is not valid let move level of assurance to zero and free attached client handle
-	return 0;
+	clientCtx->created = 1; /* creates by default */
+	return 1;
+}
+
+// Sample Generic Ping Debug API
+int ctxTokenCheck (struct AFB_clientCtx *clientCtx, const char *token)
+{
+	assert(clientCtx != NULL);
+	assert(token != NULL);
+
+	return ctxTokenCheckLen(clientCtx, token, strlen(token));
 }
 
 // generate a new token and update client context
@@ -276,3 +290,95 @@ void ctxTokenNew (struct AFB_clientCtx *clientCtx)
 	clientCtx->expiration = NOW + sessions.timeout;
 }
 
+struct afb_event_sender_list
+{
+	struct afb_event_sender_list *next;
+	struct afb_event_sender sender;
+	int refcount;
+};
+
+int ctxClientEventSenderAdd(struct AFB_clientCtx *clientCtx, struct afb_event_sender sender)
+{
+	struct afb_event_sender_list *iter, **prv;
+
+	prv = &clientCtx->senders;
+	for (;;) {
+		iter = *prv;
+		if (iter == NULL) {
+			iter = calloc(1, sizeof *iter);
+			if (iter == NULL) {
+				errno = ENOMEM;
+				return -1;
+			}
+			iter->sender = sender;
+			iter->refcount = 1;
+			*prv = iter;
+			return 0;
+		}
+		if (iter->sender.itf == sender.itf && iter->sender.closure == sender.closure) {
+			iter->refcount++;
+			return 0;
+		}
+		prv = &iter->next;
+	}
+}
+
+void ctxClientEventSenderRemove(struct AFB_clientCtx *clientCtx, struct afb_event_sender sender)
+{
+	struct afb_event_sender_list *iter, **prv;
+
+	prv = &clientCtx->senders;
+	for (;;) {
+		iter = *prv;
+		if (iter == NULL)
+			return;
+		if (iter->sender.itf == sender.itf && iter->sender.closure == sender.closure) {
+			if (!--iter->refcount) {
+				*prv = iter->next;
+				free(iter);
+			}
+			return;
+		}
+		prv = &iter->next;
+	}
+}
+
+static int send(struct AFB_clientCtx *clientCtx, const char *event, struct json_object *object)
+{
+	struct afb_event_sender_list *iter;
+	int result;
+
+	result = 0;
+	iter = clientCtx->senders;
+	while (iter != NULL) {
+		iter->sender.itf->send(iter->sender.closure, event, object);
+		result++;
+		iter = iter->next;
+	}
+
+	return result;
+}
+
+int ctxClientEventSend(struct AFB_clientCtx *clientCtx, const char *event, struct json_object *object)
+{
+	long idx;
+	time_t now;
+	int result;
+
+	if (clientCtx != NULL)
+		result = send(clientCtx, event, object);
+	else {
+		result = 0;
+		now = NOW;
+		for (idx=0; idx < sessions.max; idx++) {
+			clientCtx = sessions.store[idx];
+			if (clientCtx != NULL && !ctxStoreTooOld(clientCtx, now)) {
+				clientCtx = ctxClientGet(clientCtx);
+				result += send(clientCtx, event, object);
+				ctxClientPut(clientCtx);
+			}
+		}
+	}
+	return result;
+}
+