1 | /* structs.h
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2 |
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3 | 07/17
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4 | - add central global struct
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5 |
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6 | 06/16
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7 | - added CLIENT_RCFILE [moved to common.c on 07/17]
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8 | - added .bodyAux to msg record structure
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9 |
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10 | 06/14
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11 | - added SERVER_COMDEV and CLIENT_COMDEV [moved to common.c on 07/17]
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12 |
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13 | 06/11
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14 | - added busy to s_registered_client_record structure
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15 | - added compare_ok, compare_fail
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16 |
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17 | 05/27
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18 | - added pthread.h
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19 |
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20 | 05/11
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21 | - added file transfer flags to type t_msg
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22 |
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23 | */
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24 |
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25 |
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26 |
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27 | #include <pthread.h>
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28 | #include <stdio.h>
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29 | #include <string.h>
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30 | #include <errno.h>
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31 | #include <pthread.h>
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32 | #include <sys/file.h>
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33 | #include <sys/types.h>
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34 | #include <sys/stat.h>
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35 | #include <signal.h>
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36 | #include <sys/socket.h>
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37 | #include <unistd.h>
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38 | #include <netdb.h>
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39 | #include <stdlib.h>
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40 | #include <sys/time.h>
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41 | #include <sys/wait.h>
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42 | #include <sys/poll.h>
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43 | #include <time.h>
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44 | #include <ctype.h>
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45 | #include <unistd.h>
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46 | #include <fcntl.h>
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47 |
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48 |
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49 | /* moved to common.c :
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50 | #define CLIENT_RCFILE "/root/.monitas-client.rc"
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51 | #define CLIENT_COMDEV "/var/spool/monitas/client-input.dev"
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52 | #define SERVER_COMDEV "/var/spool/monitas/server-input.dev"
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53 | #define SERVER_STATUS_FILE "/var/spool/monitas/server-status.txt"
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54 | */
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55 | #define MAX_STR_LEN 510
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56 | #define MAX_PENDING 8 /* silently limited to 5 by BSD, says a Linux manual */
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57 | #define MAX_CLIENTS 100
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58 | #define MSG_BODY_SIZE 200 /* 512 doesn't work; don't ask me why */
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59 | #define XFER_BUF_SIZE 16384 /* for sending archives between client and server */
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60 | /* NB: 32768 doesn't work; don't ask me why */
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61 |
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62 | typedef enum { false=0, true=1} bool;
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63 | typedef enum { unused=0, login, logout, ping, pong, login_ok, logout_ok,
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64 | login_fail, logout_fail, backup_ok, backup_fail,
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65 | restore_ok, restore_fail, compare_ok, compare_fail,
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66 | trigger_backup, trigger_restore, trigger_compare,
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67 | begin_stream, end_stream, user_req, progress_rpt } t_msg;
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68 | typedef enum { debug, info, warn, error, fatal } t_loglevel;
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69 |
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70 |
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71 | //#define log_it(x,y) { log_it_SUB(g_logfile,x,y); }
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72 | #ifndef __XSTR
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73 | # define __XSTR(x) _XSTR(x)
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74 | # define _XSTR(x) #x
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75 | #endif
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76 | #define log_it(lvl,msg,args...) { logToFile(g->logfile,lvl,__FILE__,__XSTR(__LINE__),__FUNCTION__,msg , ## args); }
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77 | extern void logToFile(char *logfile, t_loglevel level, char *filename, char *lineno, char *funcname, char *sz_message, ...);
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78 |
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79 |
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80 | /*
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81 | * Global structure for all data that doesn't change at runtime.
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82 | * The data may be modified at program start via command line options,
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83 | * or -not implemented yet- via environment variables or server-client
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84 | * communication.
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85 | */
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86 | struct s_globaldata
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87 | {
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88 | char *client_rcfile; // path+name of client's rc file
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89 | char *client_comdev; // path+name of client's
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90 | char *server_comdev; // path+name of server's
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91 | char *server_status_file; // path+name of server's
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92 |
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93 | char *logfile; // path+name of logfile
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94 | t_loglevel loglevel; // lowest level of msg written in the logfile
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95 | };
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96 | /*
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97 | * there is one (1) global instance of above struct [defined in common.c] and
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98 | * one global pointer [also in common.c] to address the struct inside all functions.
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99 | * The pointer is declared here as external to permit the global access.
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100 | */
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101 | extern struct s_globaldata *g;
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102 |
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103 |
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104 |
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105 |
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106 | struct s_client2server_msg_record /* msg from client to server */
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107 | {
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108 | t_msg msg_type;
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109 | long magic;
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110 | int port; /* which port to contact client on */
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111 | char body[MSG_BODY_SIZE];
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112 | char bodyAux[MSG_BODY_SIZE];
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113 | };
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114 |
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115 |
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116 |
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117 | struct s_server2client_msg_record /* msg from client */
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118 | {
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119 | t_msg msg_type;
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120 | long magic; /* if pong/ack then it equals the magic# of the packet to which it's replying; else, 0 */
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121 | int dummy;
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122 | char body[MSG_BODY_SIZE];
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123 | char bodyAux[MSG_BODY_SIZE];
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124 | };
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125 |
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126 |
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127 |
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128 | struct s_registered_client_record
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129 | {
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130 | char hostname_pretty[128]; /* specified by client in login packet */
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131 | char ipaddr[20]; /* xxx.yyy.zzz.nnn of client */
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132 | int port;
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133 | bool busy; /* backing up / restoring / comparing */
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134 | char last_progress_rpt[MAX_STR_LEN+1];
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135 | };
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136 |
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137 |
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138 |
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139 | struct s_clientlist
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140 | {
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141 | int items;
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142 | struct s_registered_client_record el[MAX_CLIENTS];
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143 | };
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144 |
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145 |
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