FreeCalypso > hg > themwi-system-sw

comparison smpp-send/build_pdu.c @ 223:f11c3e40c87a

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new program smpp-send
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 05 Aug 2023 12:24:31 -0800
parents
children 243ed87880a1
comparison
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222:9d6e8d99d2b1 223:f11c3e40c87a
1 /*
2 * The function in this module constructs SMPP submit_sm PDUs
3 * from input messages.
4 */
5
6 #include <sys/types.h>
7 #include <stdio.h>
8 #include <stdlib.h>
9 #include <string.h>
10 #include <strings.h>
11 #include "error.h"
12
13 extern char src_addr[21], dest_addr[21];
14 extern u_char src_ton, src_npi, dest_ton, dest_npi;
15 extern u_char esm_class, pid_byte, dcs_byte;
16 extern u_char prio_flag, reg_deliv, replace_flag;
17
18 extern int input_lineno;
19
20 void
21 build_submit_sm(payload, payload_len, udhi)
22 u_char *payload;
23 unsigned payload_len;
24 {
25 u_char pdu[512], *dp, esm_class_inst;
26 unsigned pdu_len, slen;
27
28 /* sanity checks first */
29 if (!src_addr[0]) {
30 fprintf(stderr, ERR_PREFIX "src address is not set\n",
31 input_lineno);
32 exit(1);
33 }
34 if (!dest_addr[0]) {
35 fprintf(stderr, ERR_PREFIX "dest address is not set\n",
36 input_lineno);
37 exit(1);
38 }
39 /* proceed */
40 dp = pdu + 4; /* length will be filled last */
41 /* command_id */
42 *dp++ = 0;
43 *dp++ = 0;
44 *dp++ = 0;
45 *dp++ = 0x04; /* submit_sm */
46 /* empty command_status */
47 *dp++ = 0;
48 *dp++ = 0;
49 *dp++ = 0;
50 *dp++ = 0;
51 /* dummy sequence_number (will be overwritten by smpp-trx-sa) */
52 *dp++ = 0;
53 *dp++ = 0;
54 *dp++ = 0;
55 *dp++ = 0;
56 /* mandatory params */
57 *dp++ = 0; /* empty service_type */
58 *dp++ = src_ton;
59 *dp++ = src_npi;
60 slen = strlen(src_addr) + 1;
61 bcopy(src_addr, dp, slen);
62 dp += slen;
63 *dp++ = dest_ton;
64 *dp++ = dest_npi;
65 slen = strlen(dest_addr) + 1;
66 bcopy(dest_addr, dp, slen);
67 dp += slen;
68 esm_class_inst = esm_class;
69 if (udhi)
70 esm_class_inst |= 0x40;
71 *dp++ = esm_class_inst;
72 *dp++ = pid_byte;
73 *dp++ = prio_flag;
74 *dp++ = 0; /* empty schedule_delivery_time */
75 *dp++ = 0; /* empty validity_period */
76 *dp++ = reg_deliv;
77 *dp++ = replace_flag;
78 *dp++ = dcs_byte;
79 *dp++ = 0; /* no canned messages */
80 *dp++ = payload_len;
81 bcopy(payload, dp, payload_len);
82 dp += payload_len;
83 pdu_len = dp - pdu;
84 pdu[0] = pdu_len >> 24;
85 pdu[1] = pdu_len >> 16;
86 pdu[2] = pdu_len >> 8;
87 pdu[3] = pdu_len;
88 /* local datagram socket output to be implemented */
89 hex_dump_output(pdu, pdu_len);
90 }