2 * Bacula Sock Structure definition
6 * Zero msglen from other end indicates soft eof (usually
7 * end of some binary data stream, but not end of conversation).
9 * Negative msglen, is special "signal" (no data follows).
10 * See below for SIGNAL codes.
15 Copyright (C) 2000, 2001, 2002 Kern Sibbald and John Walker
17 This library is free software; you can redistribute it and/or
18 modify it under the terms of the GNU Lesser General Public
19 License as published by the Free Software Foundation; either
20 version 2.1 of the License, or (at your option) any later version.
22 This library is distributed in the hope that it will be useful,
23 but WITHOUT ANY WARRANTY; without even the implied warranty of
24 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
25 Lesser General Public License for more details.
27 You should have received a copy of the GNU Lesser General Public
28 License along with this library; if not, write to the Free
29 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
35 uint64_t read_seqno; /* read sequence number */
36 uint32_t in_msg_no; /* input message number */
37 uint32_t out_msg_no; /* output message number */
38 int fd; /* socket file descriptor */
39 int32_t msglen; /* message length */
40 int port; /* desired port */
41 volatile int errors; /* set if errors on socket */
42 volatile int suppress_error_msgs; /* set to suppress error messages */
43 int b_errno; /* bsock errno */
44 volatile time_t timer_start; /* time started read/write */
45 volatile int timed_out; /* timed out in read/write */
46 volatile int timeout; /* time out after this value */
47 volatile int terminated; /* set when BNET_TERMINATE arrives */
48 int duped; /* set if duped BSOCK */
49 POOLMEM *msg; /* message pool buffer */
50 char *who; /* Name of daemon to which we are talking */
51 char *host; /* Host name/IP */
52 POOLMEM *errmsg; /* edited error message (to be implemented) */
53 RES *res; /* Resource to which we are connected */
54 BSOCK *next; /* next BSOCK if duped */
55 int spool; /* set for spooling */
56 FILE *spool_fd; /* spooling file */
57 JCR *jcr; /* jcr or NULL for error msgs */
60 /* Signal definitions for use in bnet_sig() */
61 #define BNET_EOD -1 /* End of data stream, new data may follow */
62 #define BNET_EOD_POLL -2 /* End of data and poll all in one */
63 #define BNET_STATUS -3 /* Send full status */
64 #define BNET_TERMINATE -4 /* Conversation terminated, doing close() */
65 #define BNET_POLL -5 /* Poll request, I'm hanging on a read */
66 #define BNET_HEARTBEAT -6 /* Heartbeat Response requested */
67 #define BNET_HB_RESPONSE -7 /* Only response permited to HB */
68 #define BNET_PROMPT -8 /* Prompt for UA */
69 #define BNET_BTIME -9 /* Send UTC btime */
71 #define BNET_SETBUF_READ 1 /* Arg for bnet_set_buffer_size */
72 #define BNET_SETBUF_WRITE 2 /* Arg for bnet_set_buffer_size */
74 /* Return status from bnet_recv() */
75 #define BNET_SIGNAL -1
76 #define BNET_HARDEOF -2
79 /* SSL enabling values */
80 #define BNET_SSL_NONE 0 /* cannot do SSL */
81 #define BNET_SSL_OK 1 /* can do, but not required on my end */
82 #define BNET_SSL_REQUIRED 2 /* SSL is required */
85 * This is the structure of the in memory BPKT
87 typedef struct s_bpkt {
88 char *id; /* String identifier or name of field */
89 uint8_t type; /* field type */
90 uint32_t len; /* field length for string, name, bytes */
91 void *value; /* pointer to value */
95 * These are the data types that can be sent.
96 * For all values other than string, the storage space
97 * is assumed to be allocated in the receiving packet.
98 * For BP_STRING if the *value is non-zero, it is a
99 * pointer to a POOLMEM buffer, and the Memory Pool
100 * routines will be used to assure that the length is
101 * adequate. NOTE!!! This pointer will be changed
102 * if the memory is reallocated (sort of like Mmsg(&pool)
103 * does). If the pointer is NULL, a POOLMEM
104 * buffer will be allocated.
106 #define BP_EOF 0 /* end of file */
107 #define BP_CHAR 1 /* Character */
108 #define BP_INT32 1 /* 32 bit integer */
109 #define BP_UINT32 3 /* Unsigned 32 bit integer */
110 #define BP_INT64 4 /* 64 bit integer */
111 #define BP_STRING 5 /* string */
112 #define BP_NAME 6 /* Name string -- limited length */
113 #define BP_BYTES 7 /* Binary bytes */
114 #define BP_FLOAT32 8 /* 32 bit floating point */
115 #define BP_FLOAT64 9 /* 64 bit floating point */