FreeCalypso > hg > themwi-system-sw
annotate mtctest/dummy_rtp.c @ 105:9213ec8b434b
sip-in: handle themwi-mncc shutdown without terminating
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Tue, 27 Sep 2022 23:00:52 -0800 |
parents | e8e82a4bf12b |
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rev | line source |
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themwi-test-mtc: implement dummy RTP via themwi-mgw
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1 /* |
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2 * In this module we implement the code that connects to themwi-mgw |
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3 * and obtains a dummy GSM-side RTP endpoint. |
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4 */ |
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5 |
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6 #include <sys/types.h> |
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7 #include <sys/socket.h> |
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8 #include <sys/un.h> |
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9 #include <stdio.h> |
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10 #include <stdint.h> |
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11 #include <stdlib.h> |
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12 #include <string.h> |
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13 #include <strings.h> |
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14 #include "../include/tmgw_ctrl.h" |
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15 #include "../include/tmgw_const.h" |
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16 |
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17 struct sockaddr_storage dummy_rtp_endp; |
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18 |
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19 static char tmgw_socket_pathname[] = "/var/gsm/tmgw_socket"; |
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20 |
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21 obtain_dummy_rtp() |
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22 { |
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23 struct sockaddr_un sa; |
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24 unsigned sa_len; |
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25 int fd, rc; |
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26 struct tmgw_ctrl_req req; |
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27 struct tmgw_ctrl_resp resp; |
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28 |
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29 fd = socket(AF_UNIX, SOCK_SEQPACKET, 0); |
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30 if (fd < 0) { |
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31 perror("socket(AF_UNIX, SOCK_SEQPACKET, 0)"); |
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32 exit(1); |
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33 } |
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34 fill_sockaddr_un(tmgw_socket_pathname, &sa, &sa_len); |
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35 rc = connect(fd, (struct sockaddr *) &sa, sa_len); |
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36 if (rc < 0) { |
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37 perror(tmgw_socket_pathname); |
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38 exit(1); |
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39 } |
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40 bzero(&req, sizeof req); |
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41 req.opcode = TMGW_CTRL_OP_CRCX; |
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42 req.ep_id = TMGW_EP_TYPE_DUMMY_GSM; |
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43 rc = send(fd, &req, sizeof req, 0); |
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44 if (rc < 0) { |
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45 perror("send to TMGW socket"); |
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46 exit(1); |
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47 } |
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48 rc = recv(fd, &resp, sizeof resp, 0); |
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49 if (rc < 0) { |
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50 perror("recv from TMGW socket"); |
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51 exit(1); |
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52 } |
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53 if (rc != sizeof resp) { |
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54 fprintf(stderr, |
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55 "error: response packet from TMGW has wrong length (%d bytes)\n", |
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56 rc); |
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57 exit(1); |
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58 } |
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59 if (resp.res != TMGW_RESP_OK) { |
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60 fprintf(stderr, "TMGW CRCX returned error %u\n", resp.res); |
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61 exit(1); |
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62 } |
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63 bcopy(&resp.gsm_addr, &dummy_rtp_endp, sizeof(struct sockaddr_storage)); |
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64 return(0); |
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65 } |