diff options
Diffstat (limited to 'ffi')
| -rw-r--r-- | ffi/fccntl_wrap.h | 73 | ||||
| -rw-r--r-- | ffi/pyouroboros_build.py | 138 |
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) |