mirror of git://git.sysmocom.de/ofono
smsutil: Add sms_datagram_prepare
This commit is contained in:
Denis Kenzior
parent
e29d1338b9
commit
2cc92d80e6
129
src/smsutil.c
129
src/smsutil.c
|
|
@ -3136,6 +3136,135 @@ static inline GSList *sms_list_append(GSList *l, const struct sms *in)
|
|||
return l;
|
||||
}
|
||||
|
||||
/*
|
||||
* Prepares a datagram for transmission. Breaks up into fragments if
|
||||
* necessary using ref as the concatenated message reference number.
|
||||
* Returns a list of sms messages in order. If ref_offset is given,
|
||||
* then the ref_offset contains the reference number offset or 0
|
||||
* if no concatenation took place.
|
||||
*
|
||||
* @use_delivery_reports: value for the Status-Report-Request field
|
||||
* (23.040 3.2.9, 9.2.2.2)
|
||||
*/
|
||||
GSList *sms_datagram_prepare(const char *to,
|
||||
const unsigned char *data, unsigned int len,
|
||||
guint16 ref, gboolean use_16bit_ref,
|
||||
unsigned short src, unsigned short dst,
|
||||
gboolean use_16bit_port,
|
||||
gboolean use_delivery_reports)
|
||||
{
|
||||
struct sms template;
|
||||
unsigned int offset;
|
||||
unsigned int written;
|
||||
unsigned int left;
|
||||
guint8 seq;
|
||||
GSList *r = NULL;
|
||||
|
||||
memset(&template, 0, sizeof(struct sms));
|
||||
template.type = SMS_TYPE_SUBMIT;
|
||||
template.submit.rd = FALSE;
|
||||
template.submit.vpf = SMS_VALIDITY_PERIOD_FORMAT_RELATIVE;
|
||||
template.submit.rp = FALSE;
|
||||
template.submit.srr = use_delivery_reports;
|
||||
template.submit.mr = 0;
|
||||
template.submit.vp.relative = 0xA7; /* 24 Hours */
|
||||
template.submit.dcs = 0x04; /* Class Unspecified, 8 Bit */
|
||||
template.submit.udhi = TRUE;
|
||||
sms_address_from_string(&template.submit.daddr, to);
|
||||
|
||||
offset = 1;
|
||||
|
||||
if (use_16bit_port) {
|
||||
template.submit.ud[0] += 6;
|
||||
template.submit.ud[offset] = SMS_IEI_APPLICATION_ADDRESS_16BIT;
|
||||
template.submit.ud[offset + 1] = 4;
|
||||
template.submit.ud[offset + 2] = (dst & 0xf0) >> 8;
|
||||
template.submit.ud[offset + 3] = dst & 0xf;
|
||||
template.submit.ud[offset + 4] = (src & 0xf0) >> 8;
|
||||
template.submit.ud[offset + 5] = src & 0xf;
|
||||
|
||||
offset += 6;
|
||||
} else {
|
||||
template.submit.ud[0] += 4;
|
||||
template.submit.ud[offset] = SMS_IEI_APPLICATION_ADDRESS_8BIT;
|
||||
template.submit.ud[offset + 1] = 2;
|
||||
template.submit.ud[offset + 2] = dst & 0xf;
|
||||
template.submit.ud[offset + 3] = src & 0xf;
|
||||
|
||||
offset += 4;
|
||||
}
|
||||
|
||||
if (len <= (140 - offset)) {
|
||||
template.submit.udl = len + offset;
|
||||
memcpy(template.submit.ud + offset, data, len);
|
||||
|
||||
return sms_list_append(NULL, &template);
|
||||
}
|
||||
|
||||
if (use_16bit_ref) {
|
||||
template.submit.ud[0] += 6;
|
||||
template.submit.ud[offset] = SMS_IEI_CONCATENATED_16BIT;
|
||||
template.submit.ud[offset + 1] = 4;
|
||||
template.submit.ud[offset + 2] = (ref & 0xf0) >> 8;
|
||||
template.submit.ud[offset + 3] = ref & 0xf;
|
||||
|
||||
offset += 6;
|
||||
} else {
|
||||
template.submit.ud[0] += 5;
|
||||
template.submit.ud[offset] = SMS_IEI_CONCATENATED_8BIT;
|
||||
template.submit.ud[offset + 1] = 3;
|
||||
template.submit.ud[offset + 2] = ref & 0xf;
|
||||
|
||||
offset += 5;
|
||||
}
|
||||
|
||||
seq = 0;
|
||||
left = len;
|
||||
written = 0;
|
||||
|
||||
while (left > 0) {
|
||||
unsigned int chunk;
|
||||
|
||||
seq += 1;
|
||||
|
||||
chunk = 140 - offset;
|
||||
if (left < chunk)
|
||||
chunk = left;
|
||||
|
||||
template.submit.udl = chunk + offset;
|
||||
memcpy(template.submit.ud + offset, data + written, chunk);
|
||||
|
||||
written += chunk;
|
||||
left -= chunk;
|
||||
|
||||
template.submit.ud[offset - 1] = seq;
|
||||
|
||||
r = sms_list_append(r, &template);
|
||||
|
||||
if (seq == 255)
|
||||
break;
|
||||
}
|
||||
|
||||
if (left > 0) {
|
||||
g_slist_foreach(r, (GFunc)g_free, NULL);
|
||||
g_slist_free(r);
|
||||
|
||||
return NULL;
|
||||
} else {
|
||||
GSList *l;
|
||||
|
||||
for (l = r; l; l = l->next) {
|
||||
struct sms *sms = l->data;
|
||||
|
||||
sms->submit.ud[offset - 2] = seq;
|
||||
}
|
||||
}
|
||||
|
||||
r = g_slist_reverse(r);
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
/*
|
||||
* Prepares the text for transmission. Breaks up into fragments if
|
||||
* necessary using ref as the concatenated message reference number.
|
||||
|
|
|
|||
|
|
@ -520,6 +520,13 @@ GSList *sms_text_prepare(const char *to, const char *utf8, guint16 ref,
|
|||
gboolean use_16bit,
|
||||
gboolean use_delivery_reports);
|
||||
|
||||
GSList *sms_datagram_prepare(const char *to,
|
||||
const unsigned char *data, unsigned int len,
|
||||
guint16 ref, gboolean use_16bit_ref,
|
||||
unsigned short src, unsigned short dst,
|
||||
gboolean use_16bit_port,
|
||||
gboolean use_delivery_reports);
|
||||
|
||||
gboolean cbs_dcs_decode(guint8 dcs, gboolean *udhi, enum sms_class *cls,
|
||||
enum sms_charset *charset, gboolean *compressed,
|
||||
enum cbs_language *language, gboolean *iso639);
|
||||
|
|
|
|||
Loading…
Reference in New Issue