FreeCalypso > hg > themwi-system-sw

annotate mgw/udpsink.c @ 85:70c3c8ebee33

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sip-in: handle MNCC RTP bogons from OsmoMSC
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 20 Sep 2022 22:47:53 -0800
parents b3f74df7b808
children
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Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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Mychaela Falconia <falcon@freecalypso.org>
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2 * There are times when we hold open some UDP sockets, but can't do
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Mychaela Falconia <falcon@freecalypso.org>
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3 * anything with incoming packets other than discard them. This
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Mychaela Falconia <falcon@freecalypso.org>
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4 * situation holds for dummy one-sided endpoints, for gateway
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Mychaela Falconia <falcon@freecalypso.org>
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5 * endpoints that haven't been fully connected yet, and for all RTCP
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Mychaela Falconia <falcon@freecalypso.org>
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6 * packets at the moment.
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Mychaela Falconia <falcon@freecalypso.org>
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7 *
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Mychaela Falconia <falcon@freecalypso.org>
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8 * In this module we implement the generic UDP "black hole" sink.
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Mychaela Falconia <falcon@freecalypso.org>
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9 */
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Mychaela Falconia <falcon@freecalypso.org>
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10
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Mychaela Falconia <falcon@freecalypso.org>
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11 #include <sys/types.h>
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Mychaela Falconia <falcon@freecalypso.org>
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12 #include <sys/socket.h>
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Mychaela Falconia <falcon@freecalypso.org>
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13 #include <netinet/in.h>
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Mychaela Falconia <falcon@freecalypso.org>
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14 #include <stdio.h>
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Mychaela Falconia <falcon@freecalypso.org>
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15 #include <stdlib.h>
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16
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Mychaela Falconia <falcon@freecalypso.org>
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17 void
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Mychaela Falconia <falcon@freecalypso.org>
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18 udp_sink_rcvr(fd)
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Mychaela Falconia <falcon@freecalypso.org>
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19 {
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Mychaela Falconia <falcon@freecalypso.org>
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20 u_char buf[512];
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Mychaela Falconia <falcon@freecalypso.org>
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21
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Mychaela Falconia <falcon@freecalypso.org>
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22 recv(fd, buf, sizeof buf, 0);
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Mychaela Falconia <falcon@freecalypso.org>
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23 }