Hi,
I come across with a problem when I change the PJSIP_MAX_PKT_LEN value
(increase/decrease) in config_site.h file, I will not get any information
from pjsip_rx_data. When there is packet coming in, on_rx_request() will
notify the application with the pjsip_rx_data has a length of 0 in msg_info
and there is no info in msg_info.buf.
In addition, I have put more debug info into the pjsip source code and
found in pjsip/src/pjsip/sip_endpoint.c
function pjsip_endpt_process_rx_data() is handling the rdata and make the
callbacks in this code.
883 if (msg->type == PJSIP_REQUEST_MSG) {
884 do {
885 if (mod->on_rx_request)
886 handled = (*mod->on_rx_request)(rdata);
887 if (handled)
888 break;
889 mod = mod->next;
890 } while (mod != &endpt->module_list);
891 } else {
892 do {
893 if (mod->on_rx_response)
894 handled = (*mod->on_rx_response)(rdata);
895 if (handled)
896 break;
897 mod = mod->next;
898 } while (mod != &endpt->module_list);
899 }
I verified that before the callback the rdata actually have a valid and
correct msg_info. While rdata pointer still matched with the pointer before
and after callback, the msg_info changes to all 0 when executing the
callback function.
Is this a known issue in PJSIP? Or is there something wrong with my change?
I do need to increase PJSIP_MAX_PKT_LEN in order to send out larger SIP
packets that is larger than 4000. Otherwise, I will get the message is too
long error as most folks already reported before.
Your help is greatly appreciated.
Justin
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