FreeCalypso > hg > themwi-system-sw
annotate smpp-trx-sa/main.c @ 268:d6630a2d6e80
doc: beginning of numbering plan documentation
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 13 Nov 2023 18:20:57 -0800 |
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1 /* |
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2 * This C file is the main module for smpp-trx-sa - a standalone bind_trx |
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3 * client (ESME role) that writes all incoming messages into a log file |
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4 * and also allows outgoing messages to be sent via a UNIX domain local |
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5 * socket (datagram). |
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6 */ |
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7 |
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8 #include <sys/types.h> |
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9 #include <sys/socket.h> |
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10 #include <sys/errno.h> |
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11 #include <netinet/in.h> |
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12 #include <arpa/inet.h> |
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13 #include <stdio.h> |
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14 #include <stdlib.h> |
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15 #include <string.h> |
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16 #include <strings.h> |
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17 #include <time.h> |
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18 #include <unistd.h> |
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19 |
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20 extern int tcpsock, localsock; |
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21 |
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22 FILE *logF; |
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23 time_t curtime; |
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24 char fmt_time[32]; |
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25 int init_done; |
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26 |
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27 static void |
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28 format_time() |
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29 { |
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30 struct tm *tm; |
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31 |
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32 tm = gmtime(&curtime); |
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33 sprintf(fmt_time, "%d-%02d-%02dT%02d:%02d:%02dZ", |
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34 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, |
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35 tm->tm_hour, tm->tm_min, tm->tm_sec); |
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36 } |
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37 |
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38 main(argc, argv) |
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39 char **argv; |
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40 { |
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41 struct sockaddr_in server_sin; |
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42 fd_set fds; |
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43 int max_fd, rc; |
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44 |
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45 if (argc < 6 || argc > 7) { |
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46 fprintf(stderr, |
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47 "usage: %s server-ip system-id password log-file socket-pathname [enq-link]\n", |
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48 argv[0]); |
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49 exit(1); |
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50 } |
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51 server_sin.sin_family = AF_INET; |
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52 server_sin.sin_addr.s_addr = inet_addr(argv[1]); |
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53 if (server_sin.sin_addr.s_addr == INADDR_NONE) { |
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54 fprintf(stderr, "error: invalid IP address argument \"%s\"\n", |
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55 argv[1]); |
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56 exit(1); |
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57 } |
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58 server_sin.sin_port = htons(2775); |
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59 if (strlen(argv[2]) > 15) { |
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60 fprintf(stderr, "error: system-id string is too long\n"); |
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61 exit(1); |
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62 } |
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63 if (strlen(argv[3]) > 8) { |
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64 fprintf(stderr, "error: password string is too long\n"); |
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65 exit(1); |
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66 } |
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67 logF = fopen(argv[4], "a"); |
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68 if (!logF) { |
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69 perror(argv[4]); |
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70 exit(1); |
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71 } |
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72 if (argv[6]) |
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73 log_enquire_link_open(argv[6]); |
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74 create_local_socket(argv[5]); |
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75 max_fd = localsock; |
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76 open_tcp_conn(&server_sin); |
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77 if (tcpsock > max_fd) |
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78 max_fd = tcpsock; |
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79 time(&curtime); |
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80 format_time(); |
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81 send_bind_req(argv[2], argv[3]); |
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82 init_done = 1; |
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83 /* main select loop */ |
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84 for (;;) { |
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85 FD_ZERO(&fds); |
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86 FD_SET(tcpsock, &fds); |
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87 FD_SET(localsock, &fds); |
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88 rc = select(max_fd+1, &fds, 0, 0, 0); |
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89 if (rc < 0) { |
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90 if (errno == EINTR) |
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91 continue; |
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92 perror("select"); |
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93 log_fatal_error("select syscall error"); |
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94 exit(1); |
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95 } |
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96 time(&curtime); |
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97 format_time(); |
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98 if (FD_ISSET(tcpsock, &fds)) |
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99 tcpsock_select_handler(); |
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100 if (FD_ISSET(localsock, &fds)) |
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101 localsock_select_handler(); |
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102 fflush(logF); |
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103 } |
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104 } |