FreeCalypso > hg > themwi-system-sw
annotate mgw/ctrl_prot.c @ 63:e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 18 Sep 2022 15:01:11 -0800 |
parents | 020ba624bdd8 |
children | f062c32a5116 |
rev | line source |
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1 /* |
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2 * In this module we implement our control socket protocol. |
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3 */ |
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4 |
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5 #include <sys/types.h> |
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6 #include <sys/socket.h> |
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7 #include <netinet/in.h> |
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8 #include <stdio.h> |
38
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9 #include <stdint.h> |
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10 #include <stdlib.h> |
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11 #include <string.h> |
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12 #include <strings.h> |
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13 #include <syslog.h> |
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14 #include <unistd.h> |
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15 #include "../include/tmgw_ctrl.h" |
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16 #include "struct.h" |
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17 #include "select.h" |
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18 |
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19 struct endpoint * |
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20 find_ep_by_id(conn, id) |
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21 struct ctrl_conn *conn; |
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22 unsigned id; |
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23 { |
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24 struct endpoint *ep; |
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25 |
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26 for (ep = conn->endp_list; ep; ep = ep->next) |
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27 if (ep->ep_id == id) |
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28 return ep; |
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29 return 0; |
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30 } |
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31 |
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32 void |
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33 ctrl_message_handler(fd, conn) |
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34 struct ctrl_conn *conn; |
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35 { |
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36 struct tmgw_ctrl_req req; |
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37 struct tmgw_ctrl_resp resp; |
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38 int rc; |
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39 |
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40 rc = recv(fd, &req, sizeof req, 0); |
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41 if (rc < sizeof req) { |
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42 syslog(LOG_INFO, "ctrl connection closing %s active endpoints", |
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43 conn->endp_list ? "with" : "without"); |
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44 close(fd); |
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45 FD_CLR(fd, &select_for_read); |
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46 dlcx_all_on_conn(conn); |
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47 free(conn); |
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48 return; |
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49 } |
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50 bzero(&resp, sizeof resp); |
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51 resp.transact_ref = req.transact_ref; |
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52 switch (req.opcode) { |
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53 case TMGW_CTRL_OP_CRCX: |
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54 process_crcx(conn, &req, &resp); |
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55 break; |
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56 case TMGW_CTRL_OP_MDCX: |
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57 process_mdcx(conn, &req, &resp); |
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58 break; |
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59 case TMGW_CTRL_OP_DLCX: |
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60 process_dlcx(conn, &req, &resp); |
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61 break; |
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62 default: |
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63 resp.res = TMGW_RESP_ERR_OPCODE; |
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64 } |
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65 send(fd, &resp, sizeof resp, 0); |
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66 } |