prrt.pyx 7.57 KB
Newer Older
Andreas Schmidt's avatar
Andreas Schmidt committed
1
from libc.stdint cimport uint32_t, uint16_t, uint8_t, int32_t
Andreas Schmidt's avatar
Andreas Schmidt committed
2
from libc.stdlib cimport malloc, free
3
from posix.time cimport timespec
rna's avatar
rna committed
4
cimport cython
Andreas Schmidt's avatar
Andreas Schmidt committed
5

6 7
cimport cprrt

8
cdef extern from "proto/applicationConstraints.c":
9 10
    pass

11
cdef extern from "proto/stores/dataPacketStore.c":
12 13
    pass

14
cdef extern from "proto/stores/deliveredPacketTable.c":
15
    pass
16

Andreas Schmidt's avatar
Andreas Schmidt committed
17 18 19 20
cdef extern from "proto/stores/receptionTable.c":
    pass

cdef extern from "proto/stores/packetTimeoutTable.c":
21 22
    pass

23
cdef extern from "proto/stores/packetTimeoutTable.c":
24 25
    pass

26 27 28
cdef extern from "proto/stores/inFlightPacketStore.c":
    pass

29
cdef extern from "proto/stores/repairBlockStore.c":
30 31
    pass

32
cdef extern from "proto/stores/packetDeliveryStore.c":
33 34
    pass

Andreas Schmidt's avatar
Andreas Schmidt committed
35 36 37
cdef extern from "proto/types/packetTimeout.c":
    pass

Andreas Schmidt's avatar
Andreas Schmidt committed
38 39 40
cdef extern from "proto/types/lossStatistics.c":
    pass

41
cdef extern from "proto/processes/feedbackReceiver.c":
42
    pass
43

44
cdef extern from "proto/processes/dataReceiver.c":
45
    pass
46

47
cdef extern from "proto/processes/dataTransmitter.c":
48
    pass
49

50
cdef extern from "proto/block.c":
51
    pass
52

53
cdef extern from "proto/clock.c":
54
    pass
Andreas Schmidt's avatar
Andreas Schmidt committed
55

56
cdef extern from "proto/channelStateInformation.c":
57
    pass
Andreas Schmidt's avatar
Andreas Schmidt committed
58

59
cdef extern from "proto/vdmcode/block_code.c":
60
    pass
61

62
cdef extern from "proto/codingParams.c":
63
    pass
64

65
cdef extern from "proto/receiver.c":
66
    pass
Andreas Schmidt's avatar
Andreas Schmidt committed
67

68
cdef extern from "proto/types/packet.c":
69
    pass
70

71
cdef extern from "proto/socket.c":
72
    pass
73 74

cdef extern from "util/bptree.c":
75
    pass
76

77 78
cdef extern from "util/bitmap.c":
    pass
79

80 81 82
cdef extern from "util/common.c":
    pass

83 84
cdef extern from "util/list.c":
    pass
85

Andreas Schmidt's avatar
Andreas Schmidt committed
86 87 88
cdef extern from "util/pipe.c":
    pass

Andreas Schmidt's avatar
Andreas Schmidt committed
89 90 91
cdef extern from "util/mpsc_queue.c":
    pass

rna's avatar
rna committed
92 93 94 95 96 97 98 99
class PrrtCodingConfiguration:
    def __init__(self, n, k, n_cycle):
        # TODO: Validity checks
        # n >= k
        # sum(n_cycle) == n - k
        self.n = n
        self.k = k
        self.n_cycle = n_cycle
100

101
    def __repr__(self):
rna's avatar
rna committed
102
        return "PrrtCodingConfiguration(n={},k={},n_cycle={})".format(self.n, self.k, self.n_cycle)
103

104 105 106
    def __repr__(self):
        return "({},{},{})".format(self.n, self.k, self.n_cycle)

rna's avatar
rna committed
107 108 109
    #property n_cycle:
    #    def __get__(self):
    #        return list(<uint8_t[:self._c_config.c]> self._c_config.n_cycle)
110

111 112
cdef class PrrtSocket:
    cdef cprrt.PrrtSocket* _c_socket
Andreas Schmidt's avatar
Andreas Schmidt committed
113
    cdef bint isSender
114

115
    def __cinit__(self, port, isSender, target_delay = 1, thread_pinning = False):
116 117
        target_delay_us = target_delay * 1000**2
        self._c_socket = cprrt.PrrtSocket_create(isSender, target_delay_us)
118 119
        if thread_pinning:
            cprrt.PrrtSocket_enable_thread_pinning(self._c_socket)
Andreas Schmidt's avatar
Andreas Schmidt committed
120
        cprrt.PrrtSocket_bind(self._c_socket, "0.0.0.0", port)
Andreas Schmidt's avatar
Andreas Schmidt committed
121

Andreas Schmidt's avatar
Andreas Schmidt committed
122
        self.isSender = isSender
123

Andreas Schmidt's avatar
Andreas Schmidt committed
124 125 126 127 128 129 130
    property plr:

        def __get__(self):
            if not self.isSender:
                raise Exception("Not a sender.")
            return cprrt.PrrtSocket_get_plr(self._c_socket)

131 132 133 134 135
    property thread_pinning:

        def __get__(self):
            return cprrt.PrrtSocket_uses_thread_pinning(self._c_socket)

136
    property target_delay:
137

138 139 140
        def __get__(self):
            if not self.isSender:
                raise Exception("Not a sender.")
141
            return cprrt.PrrtSocket_get_sock_opt(self._c_socket, "targetdelay") * 0.000001
142

143 144 145 146 147 148 149 150 151 152 153
    property app_queue_size:
        def __get__(self):
            if not self.isSender:
                raise Exception("Not a sender.")
            return cprrt.PrrtSocket_get_sock_opt(self._c_socket, "app_queue_size")

        def __set__(self, value):
            if not self.isSender:
                raise Exception("Not a sender.")
            cprrt.PrrtSocket_set_sock_opt(self._c_socket, "app_queue_size", value)

154
    property rtt:
155 156 157
        def __get__(self):
            if not self.isSender:
                raise Exception("Not a sender.")
158
            return cprrt.PrrtSocket_get_rtprop(self._c_socket) * 0.000001
159

160 161 162 163 164 165
    property coding_configuration:

        def __get__(self):
            if not self.isSender:
                raise Exception("Not a sender.")
            cdef cprrt.PrrtCodingParams *params = cprrt.PrrtSocket_get_coding_parameters(self._c_socket)
166 167
            result = PrrtCodingConfiguration(params.n, params.k, list(<uint8_t[:params.c]> params.n_cycle))
            return result
rna's avatar
rna committed
168 169 170 171 172 173 174 175

        def __set__(self, params: PrrtCodingConfiguration):
            cdef uint8_t* n_cycle
            c = len(params.n_cycle)
            n_cycle = <uint8_t *> malloc(c * cython.sizeof(int))
            for i, x in enumerate(params.n_cycle):
              n_cycle[i] = x
            cprrt.PrrtSocket_set_coding_parameters(self._c_socket, params.k, params.n, c, n_cycle)
176

177 178 179 180 181 182
    property delivery_rate:
        def __get__(self):
            if not self.isSender:
                raise Exception("Not a sender.")
            return cprrt.PrrtSocket_get_delivery_rate(self._c_socket)

Andreas Schmidt's avatar
Andreas Schmidt committed
183 184 185 186 187 188
    property btlbw:
        def __get__(self):
            if not self.isSender:
                raise Exception("Not a sender.")
            return cprrt.PrrtSocket_get_btlbw(self._c_socket)

189 190 191 192 193 194
    property app_limited:
        def __get__(self):
            if not self.isSender:
                raise Exception("Not a sender.")
            return cprrt.PrrtSocket_get_app_limited(self._c_socket)

Andreas Schmidt's avatar
Andreas Schmidt committed
195
    def recv(self):
Andreas Schmidt's avatar
Andreas Schmidt committed
196 197 198 199
        cdef char buffer[65536]
        cdef int32_t len
        with nogil:
            len = cprrt.PrrtSocket_recv(self._c_socket, <void*> buffer)
200
        return buffer[:len]
201

202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231
    def receive_asap(self):
        cdef char buffer[65536]
        cdef int32_t len
        with nogil:
            len = cprrt.PrrtSocket_receive_asap(self._c_socket, <void*> buffer)
        return buffer[:len]

    def receive_asap_wait(self):
        cdef char buffer[65536]
        cdef int32_t len
        with nogil:
            len = cprrt.PrrtSocket_receive_asap_wait(self._c_socket, <void*> buffer)
        return buffer[:len]

    def receive_asap_timedwait(self, deadline):
        cdef char buffer[65536]
        cdef int32_t len
        cdef timespec deadline_timespec = timespec(deadline.seconds, deadline.microseconds * 1000)
        with nogil:
            len = cprrt.PrrtSocket_receive_asap_timedwait(self._c_socket, <void*> buffer, &deadline_timespec)
        return buffer[:len]

    def receive_ordered(self, time_window):
        cdef char buffer[65536]
        cdef int32_t len
        cdef uint32_t time_window_us = time_window * (1000**2)
        with nogil:
            len = cprrt.PrrtSocket_receive_ordered(self._c_socket, <void*> buffer, time_window_us)
        return buffer[:len]

232
    def receive_ordered_wait(self, time_window):
233 234
        cdef char buffer[65536]
        cdef int32_t len
235
        cdef uint32_t time_window_us = time_window * (1000**2)
236
        with nogil:
237
            len = cprrt.PrrtSocket_receive_ordered_wait(self._c_socket, <void*> buffer, time_window_us)
238 239
        return buffer[:len]

240 241 242 243 244 245 246 247 248
    def receive_ordered_timedwait(self, time_window, deadline):
        cdef char buffer[65536]
        cdef int32_t len
        cdef uint32_t time_window_us = time_window * (1000**2)
        cdef timespec deadline_timespec = timespec(deadline.seconds, deadline.microseconds * 1000)
        with nogil:
            len = cprrt.PrrtSocket_receive_ordered_timedwait(self._c_socket, <void*> buffer, time_window_us, &deadline_timespec)
        return buffer[:len]

249
    def connect(self, host, port):
Andreas Schmidt's avatar
Andreas Schmidt committed
250 251 252 253
        cdef bytes encodedHost = host.encode("utf-8")
        cprrt.PrrtSocket_connect(self._c_socket, encodedHost, port)

    def send(self, data):
254
        cprrt.PrrtSocket_send(self._c_socket, data, len(data))
Andreas Schmidt's avatar
Andreas Schmidt committed
255

256 257 258
    def __dealloc__(self):
        if self._c_socket != NULL:
            cprrt.PrrtSocket_close(self._c_socket)