void
conn_dispatch(int fd, short event, void *arg)
{
struct connection *c = arg;
ssize_t n;
if (!(event & EV_READ)) {
log_debug("spurious read call");
return;
}
if ((n = pdu_read(c)) == -1) {
if (errno == EAGAIN || errno == ENOBUFS ||
errno == EINTR) /* try later */
return;
log_warn("pdu_read");
conn_fsm(c, CONN_EV_FAIL);
return;
}
if (n == 0) { /* connection closed */
conn_fsm(c, CONN_EV_CLOSED);
return;
}
pdu_parse(c);
}
static const char* parse_cmgr_pdu(char** str, attribute_unused size_t len, char* oa, size_t oa_len, str_encoding_t* oa_enc, char** msg, str_encoding_t* msg_enc)
{
/*
* parse cmgr info in the following PDU format
* +CMGR: message_status,[address_text],TPDU_length<CR><LF>
* SMSC_number_and_TPDU<CR><LF><CR><LF>
* OK<CR><LF>
*
* sample
* +CMGR: 1,,31
* 07911234567890F3040B911234556780F20008012150220040210C041F04400438043204350442<CR><LF><CR><LF>
* OK<CR><LF>
*/
char delimiters[] = ",,\n";
char * marks[STRLEN(delimiters)];
char * end;
size_t tpdu_length;
if(mark_line(*str, delimiters, marks) == ITEMS_OF(marks))
{
tpdu_length = strtol(marks[1] + 1, &end, 10);
if(tpdu_length <= 0 || end[0] != '\r')
return "Invalid TPDU length in CMGR PDU status line";
*str = marks[2] + 1;
return pdu_parse(str, tpdu_length, oa, oa_len, oa_enc, msg, msg_enc);
}
return "Can't parse +CMGR response";
}
