[352] | 1 | /* structs.h
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| 2 |
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[353] | 3 | 07/17
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| 4 | - add central global struct
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[352] | 5 |
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| 6 | 06/16
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[353] | 7 | - added CLIENT_RCFILE [moved to common.c on 07/17]
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[352] | 8 | - added .bodyAux to msg record structure
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| 9 |
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| 10 | 06/14
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[353] | 11 | - added SERVER_COMDEV and CLIENT_COMDEV [moved to common.c on 07/17]
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[352] | 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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[353] | 49 | /* moved to common.c :
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[352] | 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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[353] | 54 | */
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[352] | 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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[353] | 61 |
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[352] | 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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[353] | 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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[352] | 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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