annotate rvinterf/lowlevel/rvifmain.c @ 187:f5f8776f7c66

rvinterf: added -s option for changing the local socket pathname
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sun, 24 Nov 2013 23:25:59 +0000
parents ebfa9657d03d
children cf8583923dc4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * This module contains the main() function for rvinterf
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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/errno.h>
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7 #include <stdio.h>
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8 #include <stdlib.h>
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9 #include <unistd.h>
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10 #include <signal.h>
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11 #include <time.h>
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12 #include "../pktmux.h"
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13 #include "../localsock.h"
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14 #include "client.h"
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15
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16 extern int target_fd, listener;
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17 extern char *baudrate_name;
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18
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19 extern u_char rxpkt[];
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20 extern size_t rxpkt_len;
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21
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22 struct client *client_head;
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23
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24 char *logfname;
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25 FILE *logF;
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26 time_t logtime;
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27 int background;
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28 int max_fd;
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29
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30 char *socket_pathname = "/tmp/rvinterf_socket";
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31
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32 main(argc, argv)
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33 char **argv;
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34 {
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35 extern char *optarg;
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36 extern int optind;
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37 int c;
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38 fd_set fds;
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39 struct client *cli, **clip;
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40
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41 while ((c = getopt(argc, argv, "bB:d:l:s:")) != EOF)
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42 switch (c) {
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43 case 'b':
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44 background++;
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45 continue;
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46 case 'B':
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47 baudrate_name = optarg;
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48 continue;
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49 case 'd':
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50 target_fd = atoi(optarg);
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51 continue;
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52 case 'l':
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53 logfname = optarg;
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54 continue;
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55 case 's':
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56 socket_pathname = optarg;
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57 continue;
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58 case '?':
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59 default:
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60 usage: fprintf(stderr,
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61 "usage: %s [options] ttyport\n", argv[0]);
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62 exit(1);
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63 }
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64 if (target_fd <= 0) {
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65 if (argc - optind != 1)
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66 goto usage;
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67 open_target_serial(argv[optind]);
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68 }
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69 max_fd = target_fd;
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70
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71 set_serial_nonblock(0);
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72 setlinebuf(stdout);
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73 if (logfname) {
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74 logF = fopen(logfname, "w");
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75 if (!logF) {
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76 perror(logfname);
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77 exit(1);
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78 }
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79 fprintf(logF, "*** Log of rvinterf session ***\n");
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80 setlinebuf(logF);
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81 }
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82 create_listener_socket();
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83 if (background) {
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84 c = fork();
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85 if (c < 0) {
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86 perror("fork");
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87 exit(1);
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88 }
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89 if (c) {
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90 printf("rvinterf forked into background (pid %d)\n", c);
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91 exit(0);
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92 }
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93 }
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94 signal(SIGPIPE, SIG_IGN);
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95 for (;;) {
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96 FD_ZERO(&fds);
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97 FD_SET(target_fd, &fds);
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98 FD_SET(listener, &fds);
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99 for (clip = &client_head; cli = *clip; ) {
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100 if (cli->rx_state == 2) {
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101 close(cli->fd);
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102 *clip = cli->next;
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103 free(cli);
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104 continue;
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105 }
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106 FD_SET(cli->fd, &fds);
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107 clip = &cli->next;
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108 }
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109 c = select(max_fd+1, &fds, 0, 0, 0);
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110 time(&logtime);
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111 if (c < 0) {
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112 if (errno == EINTR)
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113 continue;
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114 perror("select");
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115 exit(1);
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116 }
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117 if (FD_ISSET(target_fd, &fds))
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118 process_serial_rx();
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119 if (FD_ISSET(listener, &fds))
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120 handle_listener_select();
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121 for (cli = client_head; cli; cli = cli->next)
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122 if (FD_ISSET(cli->fd, &fds))
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123 handle_client_select(cli);
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124 }
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125 }
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126
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127 handle_rx_packet()
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128 {
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129 switch (rxpkt[0]) {
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130 case RVT_RV_HEADER:
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131 if (rxpkt_len < 6)
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132 goto unknown;
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133 if (!background || logF)
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134 print_rv_trace();
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135 if (client_head)
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136 forward_rv_trace();
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137 return;
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parents: 173
diff changeset
138 case RVT_L1_HEADER:
178
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parents: 177
diff changeset
139 if (!background || logF)
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parents: 177
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140 print_l1_trace();
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parents: 177
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141 if (client_head)
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
142 forward_nonrvt_pkt();
174
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parents: 173
diff changeset
143 return;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
144 case RVT_L23_HEADER:
178
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parents: 177
diff changeset
145 if (!background || logF)
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
146 print_g23_trace();
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
147 if (client_head)
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
148 forward_nonrvt_pkt();
174
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parents: 173
diff changeset
149 return;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
150 case RVT_TM_HEADER:
178
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parents: 177
diff changeset
151 if (!background || logF)
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
152 print_etm_output_raw();
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
153 if (client_head)
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
154 forward_nonrvt_pkt();
174
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parents: 173
diff changeset
155 return;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
156 default:
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
157 unknown:
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
158 print_unknown_packet();
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
159 }
126
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
160 }