ipcpd: normal: Split connection establishment

Connection establishment was done at the same time as flow
allocation. This splits it more cleanly, and allows to re-use the DT
AE for other purposes.

1 files changed, 53 insertions, 0 deletions

diff --git a/src/ipcpd/normal/dt_pci.h b/src/ipcpd/normal/dt_pci.h
new file mode 100644
index 00000000..bec21188
--- /dev/null
+++ b/src/ipcpd/normal/dt_pci.h
@@ -0,0 +1,53 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2017
+ *
+ * Protocol Control Information of Data Transfer AE
+ *
+ *    Dimitri Staessens <dimitri.staessens@ugent.be>
+ *    Sander Vrijders   <sander.vrijders@ugent.be>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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_DT_PCI_H
+#define OUROBOROS_IPCPD_NORMAL_DT_PCI_H
+
+#include <ouroboros/shm_du_buff.h>
+#include <ouroboros/shared.h>
+
+#define PDU_TYPE_FA   0x40
+#define PDU_TYPE_FRCT 0x80
+
+#define INVALID_ADDR 0
+
+struct dt_pci {
+        uint64_t  dst_addr;
+        qoscube_t qc;
+        uint8_t   ttl;
+        uint8_t   pdu_type;
+};
+
+int   dt_pci_init(void);
+
+void  dt_pci_fini(void);
+
+int   dt_pci_ser(struct shm_du_buff * sdb,
+                 struct dt_pci *      dt_pci);
+
+void  dt_pci_des(struct shm_du_buff * sdb,
+                 struct dt_pci *      dt_pci);
+
+void  dt_pci_shrink(struct shm_du_buff * sdb);
+
+#endif /* OUROBOROS_IPCPD_NORMAL_DT_PCI_H */