Initial commit: Basic Ouroboros API0.18

Signed-off-by: Dimitri Staessens <[email protected]>

2 files changed, 211 insertions, 0 deletions

diff --git a/ffi/fccntl_wrap.h b/ffi/fccntl_wrap.h
new file mode 100644
index 0000000..ab227ea
--- /dev/null
+++ b/ffi/fccntl_wrap.h
@@ -0,0 +1,73 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2020
+ *
+ * An fccntl wrapper
+ *
+ *    Dimitri Staessens <[email protected]>
+ *    Sander Vrijders   <[email protected]>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * version 2.1 as published by the Free Software Foundation.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., http://www.fsf.org/about/contact/.
+ */
+
+#include <ouroboros/fccntl.h>
+
+int flow_set_snd_timeout(int fd, struct timespec * ts)
+{
+        return fccntl(fd, FLOWSSNDTIMEO, ts);
+}
+
+int flow_set_rcv_timeout(int fd, struct timespec * ts)
+{
+        return fccntl(fd, FLOWSRCVTIMEO, ts);
+}
+
+int flow_get_snd_timeout(int fd, struct timespec * ts)
+{
+        return fccntl(fd, FLOWGSNDTIMEO, ts);
+}
+
+int flow_get_rcv_timeout(int fd, struct timespec * ts)
+{
+        return fccntl(fd, FLOWGRCVTIMEO, ts);
+}
+
+int flow_get_qos(int fd, qosspec_t * qs)
+{
+        return fccntl(fd, FLOWGQOSSPEC, qs);
+}
+
+int flow_get_rx_qlen(int fd, size_t * sz)
+{
+        return fccntl(fd, FLOWGRXQLEN, sz);
+}
+
+int flow_get_tx_qlen(int fd, size_t * sz)
+{
+        return fccntl(fd, FLOWGTXQLEN, sz);
+}
+
+int flow_set_flags(int fd, uint32_t flags)
+{
+        return fccntl(fd, FLOWSFLAGS, flags);
+}
+
+int flow_get_flags(int fd)
+{
+        uint32_t flags;
+
+        if (fccntl(fd, FLOWGFLAGS, &flags))
+                return -EPERM;
+
+        return (int) flags;
+}
diff --git a/ffi/pyouroboros_build.py b/ffi/pyouroboros_build.py
new file mode 100644
index 0000000..b4ace8e
--- /dev/null
+++ b/ffi/pyouroboros_build.py
@@ -0,0 +1,138 @@
+#
+# Ouroboros - Copyright (C) 2016 - 2020
+#
+# Python API for applications
+#
+#    Dimitri Staessens <[email protected]>
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public License
+# version 2.1 as published by the Free Software Foundation.
+#
+# This library 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
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., http://www.fsf.org/about/contact/.
+#
+
+from cffi import FFI
+
+ffibuilder: FFI = FFI()
+
+ffibuilder.cdef("""
+/* OUROBOROS QOS.H */
+typedef struct qos_spec {
+        uint32_t delay;         /* In ms */
+        uint64_t bandwidth;     /* In bits/s */
+        uint8_t  availability;  /* Class of 9s */
+        uint32_t loss;          /* Packet loss */
+        uint32_t ber;           /* Bit error rate, errors per billion bits */
+        uint8_t  in_order;      /* In-order delivery, enables FRCT */
+        uint32_t max_gap;       /* In ms */
+        uint16_t cypher_s;      /* Cypher strength, 0 = no encryption */
+} qosspec_t;
+
+/* OUROBOROS DEV.H */
+/* Returns flow descriptor, qs updates to supplied QoS. */
+int     flow_alloc(const char *            dst_name,
+                   qosspec_t *             qs,
+                   const struct timespec * timeo);
+
+/* Returns flow descriptor, qs updates to supplied QoS. */
+int     flow_accept(qosspec_t *             qs,
+                    const struct timespec * timeo);
+
+/* Returns flow descriptor, qs updates to supplied QoS. */
+int     flow_join(const char *            bc,
+                  qosspec_t *             qs,
+                  const struct timespec * timeo);
+
+int     flow_dealloc(int fd);
+
+ssize_t flow_write(int          fd,
+                   const void * buf,
+                   size_t       count);
+
+ssize_t flow_read(int    fd,
+                  void * buf,
+                  size_t count);
+
+/*OUROBOROS FCCNTL.H, VIA WRAPPER */
+int flow_set_snd_timeout(int fd, struct timespec * ts);
+
+int flow_set_rcv_timeout(int fd, struct timespec * ts);
+
+int flow_get_snd_timeout(int fd, struct timespec * ts);
+
+int flow_get_rcv_timeout(int fd, struct timespec * ts);
+
+int flow_get_qos(int fd, qosspec_t * qs);
+
+int flow_get_rx_qlen(int fd, size_t * sz);
+
+int flow_get_tx_qlen(int fd, size_t * sz);
+
+int flow_set_flags(int fd, uint32_t flags);
+
+int flow_get_flags(int fd);
+
+/*OUROBOROS FQUEUE.H */
+enum fqtype {
+        FLOW_PKT     = (1 << 0),
+        FLOW_DOWN    = (1 << 1),
+        FLOW_UP      = (1 << 2),
+        FLOW_ALLOC   = (1 << 3),
+        FLOW_DEALLOC = (1 << 4)
+};
+
+struct flow_set;
+
+struct fqueue;
+
+typedef struct flow_set fset_t;
+typedef struct fqueue fqueue_t;
+
+fset_t *    fset_create(void);
+
+void        fset_destroy(fset_t * set);
+
+fqueue_t *  fqueue_create(void);
+
+void        fqueue_destroy(struct fqueue * fq);
+
+void        fset_zero(fset_t * set);
+
+int         fset_add(fset_t * set,
+                     int      fd);
+
+bool        fset_has(const fset_t * set,
+                     int            fd);
+
+void        fset_del(fset_t * set,
+                     int      fd);
+
+int         fqueue_next(fqueue_t * fq);
+
+int         fqueue_type(fqueue_t * fq);
+
+ssize_t     fevent(fset_t *                set,
+                   fqueue_t *              fq,
+                   const struct timespec * timeo);
+""")
+
+ffibuilder.set_source("_ouroboros_cffi",
+                      """
+#include "ouroboros/qos.h"
+#include "ouroboros/dev.h"
+#include "fccntl_wrap.h"
+#include "ouroboros/fqueue.h"
+                      """,
+                      libraries=['ouroboros-dev'],
+                      extra_compile_args=["-I./ffi/"])
+
+if __name__ == "__main__":
+    ffibuilder.compile(verbose=True)