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annotate rvinterf/lowlevel/rvifmain.c @ 195:549e6cd1e77d

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rvinterf: support for socketpair invokation
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Tue, 26 Nov 2013 20:23:38 +0000
parents cf8583923dc4
children 2f285f20d617
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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 int socketpair_fd;
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26
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27 char *logfname;
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28 FILE *logF;
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29 time_t logtime;
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30 int background, no_output;
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31 int max_fd;
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32
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33 char *socket_pathname = "/tmp/rvinterf_socket";
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34
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35 int wakeup_after_sec;
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36
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37 main(argc, argv)
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38 char **argv;
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39 {
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40 extern char *optarg;
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41 extern int optind;
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42 int c;
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43 fd_set fds;
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44 struct client *cli, **clip;
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45
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46 while ((c = getopt(argc, argv, "bB:d:l:ns:S:w:")) != EOF)
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47 switch (c) {
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48 case 'b':
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49 background++;
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50 /* FALL THRU */
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51 case 'n':
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52 no_output++;
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53 continue;
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54 case 'B':
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55 baudrate_name = optarg;
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56 continue;
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57 case 'd':
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58 target_fd = atoi(optarg);
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59 continue;
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60 case 'l':
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61 logfname = optarg;
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62 continue;
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63 case 's':
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64 socket_pathname = optarg;
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65 continue;
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66 case 'S':
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67 socketpair_fd = atoi(optarg);
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68 continue;
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69 case 'w':
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70 wakeup_after_sec = strtoul(optarg, 0, 0);
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71 continue;
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72 case '?':
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73 default:
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74 usage: fprintf(stderr,
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75 "usage: %s [options] ttyport\n", argv[0]);
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76 exit(1);
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77 }
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78 if (target_fd <= 0) {
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79 if (argc - optind != 1)
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80 goto usage;
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81 open_target_serial(argv[optind]);
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82 }
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83 max_fd = target_fd;
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84
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85 set_serial_nonblock(0);
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86 setlinebuf(stdout);
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87 if (logfname) {
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88 logF = fopen(logfname, "w");
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89 if (!logF) {
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90 perror(logfname);
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91 exit(1);
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92 }
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93 fprintf(logF, "*** Log of rvinterf session ***\n");
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94 setlinebuf(logF);
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95 }
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96 if (socketpair_fd)
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97 create_socketpair_client();
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98 else
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99 create_listener_socket();
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100 if (background) {
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101 c = fork();
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102 if (c < 0) {
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103 perror("fork");
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104 exit(1);
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105 }
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106 if (c) {
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107 printf("rvinterf forked into background (pid %d)\n", c);
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108 exit(0);
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109 }
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110 }
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111 signal(SIGPIPE, SIG_IGN);
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112 for (;;) {
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113 FD_ZERO(&fds);
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114 FD_SET(target_fd, &fds);
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115 if (listener)
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116 FD_SET(listener, &fds);
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117 for (clip = &client_head; cli = *clip; ) {
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118 if (cli->rx_state == 2) {
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119 close(cli->fd);
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120 *clip = cli->next;
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121 free(cli);
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122 continue;
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123 }
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124 FD_SET(cli->fd, &fds);
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125 clip = &cli->next;
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126 }
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127 if (socketpair_fd && !client_head)
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128 exit(0);
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129 c = select(max_fd+1, &fds, 0, 0, 0);
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130 time(&logtime);
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131 if (c < 0) {
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132 if (errno == EINTR)
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133 continue;
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134 perror("select");
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135 exit(1);
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136 }
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parents:
diff changeset
137 if (FD_ISSET(target_fd, &fds))
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
138 process_serial_rx();
195
549e6cd1e77d rvinterf: support for socketpair invokation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 191
diff changeset
139 if (listener && FD_ISSET(listener, &fds))
177
fef035264dd4 rvinterf: beginning of local socket handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 176
diff changeset
140 handle_listener_select();
fef035264dd4 rvinterf: beginning of local socket handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 176
diff changeset
141 for (cli = client_head; cli; cli = cli->next)
fef035264dd4 rvinterf: beginning of local socket handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 176
diff changeset
142 if (FD_ISSET(cli->fd, &fds))
fef035264dd4 rvinterf: beginning of local socket handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 176
diff changeset
143 handle_client_select(cli);
126
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
144 }
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
145 }
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
146
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
147 handle_rx_packet()
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
148 {
174
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
149 switch (rxpkt[0]) {
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
150 case RVT_RV_HEADER:
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
151 if (rxpkt_len < 6)
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
152 goto unknown;
195
549e6cd1e77d rvinterf: support for socketpair invokation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 191
diff changeset
153 if (!no_output || logF)
178
7ab6b29e76bb rvinterf: forwarding of Rx packets to clients implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
154 print_rv_trace();
7ab6b29e76bb rvinterf: forwarding of Rx packets to clients implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
155 if (client_head)
7ab6b29e76bb rvinterf: forwarding of Rx packets to clients implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
156 forward_rv_trace();
174
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
157 return;
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
158 case RVT_L1_HEADER:
195
549e6cd1e77d rvinterf: support for socketpair invokation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 191
diff changeset
159 if (!no_output || logF)
178
7ab6b29e76bb rvinterf: forwarding of Rx packets to clients implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
160 print_l1_trace();
7ab6b29e76bb rvinterf: forwarding of Rx packets to clients implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
161 if (client_head)
7ab6b29e76bb rvinterf: forwarding of Rx packets to clients implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
162 forward_nonrvt_pkt();
174
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
163 return;
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
164 case RVT_L23_HEADER:
195
549e6cd1e77d rvinterf: support for socketpair invokation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 191
diff changeset
165 if (!no_output || logF)
178
7ab6b29e76bb rvinterf: forwarding of Rx packets to clients implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
166 print_g23_trace();
7ab6b29e76bb rvinterf: forwarding of Rx packets to clients implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
167 if (client_head)
7ab6b29e76bb rvinterf: forwarding of Rx packets to clients implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
168 forward_nonrvt_pkt();
174
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
169 return;
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
170 case RVT_TM_HEADER:
195
549e6cd1e77d rvinterf: support for socketpair invokation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 191
diff changeset
171 if (!no_output || logF)
178
7ab6b29e76bb rvinterf: forwarding of Rx packets to clients implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
172 print_etm_output_raw();
7ab6b29e76bb rvinterf: forwarding of Rx packets to clients implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
173 if (client_head)
7ab6b29e76bb rvinterf: forwarding of Rx packets to clients implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 177
diff changeset
174 forward_nonrvt_pkt();
174
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
175 return;
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
176 default:
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
177 unknown:
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
178 print_unknown_packet();
3256dc6e84ae rvinterf: refactored rvtdump compiles and works
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 173
diff changeset
179 }
126
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
180 }