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annotate rvinterf/lowlevel/rvifmain.c @ 191:cf8583923dc4

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rvinterf: workaround for sleeping targets
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Mon, 25 Nov 2013 04:41:36 +0000
parents f5f8776f7c66
children 549e6cd1e77d
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 <string.h>
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9 #include <strings.h>
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10 #include <stdlib.h>
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11 #include <unistd.h>
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12 #include <signal.h>
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13 #include <time.h>
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14 #include "../pktmux.h"
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15 #include "../localsock.h"
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16 #include "client.h"
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17
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18 extern int target_fd, listener;
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19 extern char *baudrate_name;
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20
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21 extern u_char rxpkt[];
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22 extern size_t rxpkt_len;
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23
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24 struct client *client_head;
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25
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26 char *logfname;
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27 FILE *logF;
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28 time_t logtime;
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29 int background;
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30 int max_fd;
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31
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32 char *socket_pathname = "/tmp/rvinterf_socket";
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33
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34 int wakeup_after_sec;
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35
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36 main(argc, argv)
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37 char **argv;
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38 {
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39 extern char *optarg;
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40 extern int optind;
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41 int c;
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42 fd_set fds;
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43 struct client *cli, **clip;
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44
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45 while ((c = getopt(argc, argv, "bB:d:l:s:w:")) != EOF)
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46 switch (c) {
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47 case 'b':
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48 background++;
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49 continue;
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50 case 'B':
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51 baudrate_name = optarg;
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52 continue;
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53 case 'd':
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54 target_fd = atoi(optarg);
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55 continue;
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56 case 'l':
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57 logfname = optarg;
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58 continue;
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59 case 's':
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60 socket_pathname = optarg;
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61 continue;
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62 case 'w':
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63 wakeup_after_sec = strtoul(optarg, 0, 0);
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64 continue;
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65 case '?':
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66 default:
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67 usage: fprintf(stderr,
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68 "usage: %s [options] ttyport\n", argv[0]);
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69 exit(1);
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70 }
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71 if (target_fd <= 0) {
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72 if (argc - optind != 1)
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73 goto usage;
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74 open_target_serial(argv[optind]);
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75 }
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76 max_fd = target_fd;
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77
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78 set_serial_nonblock(0);
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79 setlinebuf(stdout);
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80 if (logfname) {
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81 logF = fopen(logfname, "w");
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82 if (!logF) {
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83 perror(logfname);
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84 exit(1);
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85 }
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86 fprintf(logF, "*** Log of rvinterf session ***\n");
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87 setlinebuf(logF);
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88 }
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89 create_listener_socket();
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90 if (background) {
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91 c = fork();
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92 if (c < 0) {
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93 perror("fork");
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94 exit(1);
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95 }
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96 if (c) {
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97 printf("rvinterf forked into background (pid %d)\n", c);
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98 exit(0);
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99 }
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100 }
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101 signal(SIGPIPE, SIG_IGN);
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102 for (;;) {
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103 FD_ZERO(&fds);
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104 FD_SET(target_fd, &fds);
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105 FD_SET(listener, &fds);
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106 for (clip = &client_head; cli = *clip; ) {
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107 if (cli->rx_state == 2) {
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108 close(cli->fd);
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109 *clip = cli->next;
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110 free(cli);
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111 continue;
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112 }
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113 FD_SET(cli->fd, &fds);
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114 clip = &cli->next;
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115 }
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116 c = select(max_fd+1, &fds, 0, 0, 0);
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117 time(&logtime);
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118 if (c < 0) {
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119 if (errno == EINTR)
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120 continue;
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121 perror("select");
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122 exit(1);
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123 }
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124 if (FD_ISSET(target_fd, &fds))
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125 process_serial_rx();
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126 if (FD_ISSET(listener, &fds))
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127 handle_listener_select();
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128 for (cli = client_head; cli; cli = cli->next)
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129 if (FD_ISSET(cli->fd, &fds))
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130 handle_client_select(cli);
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131 }
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132 }
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133
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134 handle_rx_packet()
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135 {
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136 switch (rxpkt[0]) {
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137 case RVT_RV_HEADER:
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
138 if (rxpkt_len < 6)
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
139 goto unknown;
178
7ab6b29e76bb rvinterf: forwarding of Rx packets to clients implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
140 if (!background || logF)
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
141 print_rv_trace();
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
142 if (client_head)
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
143 forward_rv_trace();
174
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
144 return;
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
145 case RVT_L1_HEADER:
178
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
146 if (!background || logF)
7ab6b29e76bb rvinterf: forwarding of Rx packets to clients implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
147 print_l1_trace();
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
148 if (client_head)
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
149 forward_nonrvt_pkt();
174
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
150 return;
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
151 case RVT_L23_HEADER:
178
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
152 if (!background || logF)
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
153 print_g23_trace();
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
154 if (client_head)
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
155 forward_nonrvt_pkt();
174
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
156 return;
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
157 case RVT_TM_HEADER:
178
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
158 if (!background || logF)
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
159 print_etm_output_raw();
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
160 if (client_head)
7ab6b29e76bb rvinterf: forwarding of Rx packets to clients implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
161 forward_nonrvt_pkt();
174
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
162 return;
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
163 default:
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
164 unknown:
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
165 print_unknown_packet();
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
166 }
126
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
167 }