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authordimitri staessens <dimitri.staessens@intec.ugent.be>2016-08-25 15:54:02 +0200
committerdimitri staessens <dimitri.staessens@intec.ugent.be>2016-08-25 16:16:32 +0200
commitf7777922edd673e43fd670d3d28f052fde2ecc0a (patch)
tree32443ecbb20927b33a6becd50dc6720e4be5b722 /src/ipcpd/normal/cdap_request.h
parent6da1fa9716e508d5d15d2953a2c358cfd24c1570 (diff)
downloadouroboros-f7777922edd673e43fd670d3d28f052fde2ecc0a.tar.gz
ouroboros-f7777922edd673e43fd670d3d28f052fde2ecc0a.zip
ipcpd, normal: Safe handling of CDAP requests
Destruction of the object in the reply stage was unsafe.
Diffstat (limited to 'src/ipcpd/normal/cdap_request.h')
-rw-r--r--src/ipcpd/normal/cdap_request.h77
1 files changed, 77 insertions, 0 deletions
diff --git a/src/ipcpd/normal/cdap_request.h b/src/ipcpd/normal/cdap_request.h
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+++ b/src/ipcpd/normal/cdap_request.h
@@ -0,0 +1,77 @@
+/*
+ * Ouroboros - Copyright (C) 2016
+ *
+ * Normal IPCP - RIB Manager - CDAP request
+ *
+ * Sander Vrijders <sander.vrijders@intec.ugent.be>
+ * Dimitri Staessens <dimitri.staessens@intec.ugent.be>
+ *
+ * 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef OUROBOROS_IPCPD_NORMAL_CDAP_REQUEST_H
+#define OUROBOROS_IPCPD_NORMAL_CDAP_REQUEST_H
+
+#include <ouroboros/config.h>
+#include <ouroboros/cdap.h>
+#include <ouroboros/list.h>
+
+#include <pthread.h>
+
+enum cdap_opcode {
+ READ = 0,
+ WRITE,
+ START,
+ STOP,
+ CREATE,
+ DELETE
+};
+
+enum creq_state {
+ REQ_INIT = 0,
+ REQ_PENDING,
+ REQ_RESPONSE,
+ REQ_DONE,
+ REQ_DESTROY
+};
+
+struct cdap_request {
+ struct list_head next;
+
+ enum cdap_opcode code;
+ char * name;
+ int invoke_id;
+ struct cdap * instance;
+
+ int result;
+
+ enum creq_state state;
+ pthread_cond_t cond;
+ pthread_mutex_t lock;
+};
+
+struct cdap_request * cdap_request_create(enum cdap_opcode code,
+ char * name,
+ int invoke_id,
+ struct cdap * instance);
+
+void cdap_request_destroy(struct cdap_request * creq);
+
+int cdap_request_wait(struct cdap_request * creq);
+
+void cdap_request_respond(struct cdap_request * creq,
+ int response);
+
+#endif /* OUROBOROS_IPCPD_NORMAL_CDAP_REQUEST_H */