FreeCalypso > hg > themwi-system-sw
annotate liboutrt/refresh.c @ 151:0ecbc3dc8f93
sip-in: split mgw_resp.c from mgw_ops.c
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Tue, 11 Oct 2022 15:58:42 -0800 |
parents | 2b03d2584f88 |
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1 /* |
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2 * themwi-sip-out and possibly other similar long-running processes in |
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3 * the future need to be able to pick up updates to the outbound call |
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4 * routing database without being restarted. Whenever they need to |
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5 * consult the route db when handling a new call setup, they will call |
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6 * refresh_out_routes_db(), which does a stat on the file, followed by |
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7 * a re-read if the file has changed. |
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8 */ |
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9 |
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10 #include <sys/types.h> |
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11 #include <sys/stat.h> |
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12 #include <sys/socket.h> |
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13 #include <netinet/in.h> |
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14 #include <stdio.h> |
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15 #include <stdint.h> |
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16 #include <stdlib.h> |
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17 #include <syslog.h> |
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18 #include "../include/out_routes.h" |
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19 |
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20 extern char outrt_pathname[]; |
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21 extern struct stat outrt_file_stat; |
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22 extern struct sip_out_dest *outrt_dest_array; |
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23 extern struct inn_route *outrt_inn_array; |
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24 extern struct special_num_route *outrt_spec_array; |
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25 |
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26 refresh_out_routes_db() |
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27 { |
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28 int rc; |
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29 struct stat st; |
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30 |
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31 rc = stat(outrt_pathname, &st); |
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32 if (rc < 0) { |
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33 syslog(LOG_CRIT, "unable to stat %s for refresh: %m", |
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34 outrt_pathname); |
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35 return(-1); |
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36 } |
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37 if (st.st_mtime == outrt_file_stat.st_mtime && |
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38 st.st_ctime == outrt_file_stat.st_ctime && |
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39 st.st_size == outrt_file_stat.st_size) |
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40 return(0); |
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41 free(outrt_dest_array); |
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42 if (outrt_inn_array) { |
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43 free(outrt_inn_array); |
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44 outrt_inn_array = 0; |
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45 } |
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46 if (outrt_spec_array) { |
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47 free(outrt_spec_array); |
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48 outrt_spec_array = 0; |
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49 } |
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50 rc = read_out_routes_db(); |
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51 if (rc < 0) { |
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52 syslog(LOG_CRIT, "error reading %s on refresh!", |
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53 outrt_pathname); |
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54 exit(1); |
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55 } |
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56 return(1); |
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57 } |