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authorDimitri Staessens <dimitri@ouroboros.rocks>2020-05-16 17:22:09 +0200
committerDimitri Staessens <dimitri@ouroboros.rocks>2020-05-16 17:22:09 +0200
commit5974215c9864ca72945b553f5374dbc8ba9a191d (patch)
treeef34f8e0751329fda524b585f6c4dd28cbe06e8b /ffi
downloadpyouroboros-0.18.tar.gz
pyouroboros-0.18.zip
Initial commit: Basic Ouroboros API0.18
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Diffstat (limited to 'ffi')
-rw-r--r--ffi/fccntl_wrap.h73
-rw-r--r--ffi/pyouroboros_build.py138
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 <dimitri.staessens@ugent.be>
+ * Sander Vrijders <sander.vrijders@ugent.be>
+ *
+ * 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 <dimitri@ouroboros.rocks>
+#
+# 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)