FreeCalypso > hg > themwi-system-sw
view smpp-send/build_pdu.c @ 233:60f6e561bfb8
libnumdb2: start with readbin.c
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 14 Aug 2023 13:10:38 -0800 |
parents | 243ed87880a1 |
children |
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/* * The function in this module constructs SMPP submit_sm PDUs * from input messages. */ #include <sys/types.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <strings.h> #include "error.h" extern char src_addr[21], dest_addr[21]; extern u_char src_ton, src_npi, dest_ton, dest_npi; extern u_char esm_class, pid_byte, dcs_byte; extern u_char prio_flag, reg_deliv, replace_flag; extern int input_lineno; extern char *trx_socket; void build_submit_sm(payload, payload_len, udhi) u_char *payload; unsigned payload_len; { u_char pdu[512], *dp, esm_class_inst; unsigned pdu_len, slen; /* sanity checks first */ if (!src_addr[0]) { fprintf(stderr, ERR_PREFIX "src address is not set\n", input_lineno); exit(1); } if (!dest_addr[0]) { fprintf(stderr, ERR_PREFIX "dest address is not set\n", input_lineno); exit(1); } /* proceed */ dp = pdu + 4; /* length will be filled last */ /* command_id */ *dp++ = 0; *dp++ = 0; *dp++ = 0; *dp++ = 0x04; /* submit_sm */ /* empty command_status */ *dp++ = 0; *dp++ = 0; *dp++ = 0; *dp++ = 0; /* dummy sequence_number (will be overwritten by smpp-trx-sa) */ *dp++ = 0; *dp++ = 0; *dp++ = 0; *dp++ = 0; /* mandatory params */ *dp++ = 0; /* empty service_type */ *dp++ = src_ton; *dp++ = src_npi; slen = strlen(src_addr) + 1; bcopy(src_addr, dp, slen); dp += slen; *dp++ = dest_ton; *dp++ = dest_npi; slen = strlen(dest_addr) + 1; bcopy(dest_addr, dp, slen); dp += slen; esm_class_inst = esm_class; if (udhi) esm_class_inst |= 0x40; *dp++ = esm_class_inst; *dp++ = pid_byte; *dp++ = prio_flag; *dp++ = 0; /* empty schedule_delivery_time */ *dp++ = 0; /* empty validity_period */ *dp++ = reg_deliv; *dp++ = replace_flag; *dp++ = dcs_byte; *dp++ = 0; /* no canned messages */ *dp++ = payload_len; bcopy(payload, dp, payload_len); dp += payload_len; pdu_len = dp - pdu; pdu[0] = pdu_len >> 24; pdu[1] = pdu_len >> 16; pdu[2] = pdu_len >> 8; pdu[3] = pdu_len; /* local datagram socket output to be implemented */ if (trx_socket) send_pdu_via_socket(pdu, pdu_len); else hex_dump_output(pdu, pdu_len); }