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espressif / esp-idf

Espressif IoT Development Framework. Official development framework for Espressif SoCs.
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lwip PPPoS close connection problem (IDFGH-178) #1666

Closed bfabricio closed 4 years ago

bfabricio commented 6 years ago

I'm using ESP32 with GSM modem and lwip+pppos. There is a long time(10s +) between calling the function pppapi_close(ppp, 0) and the event of closing the connection.

local IP address 10.51.139.201 remote IP address 10.64.64.64 primary DNS address 8.8.8.8 secondary DNS address 8.8.4.4 ppp phase changed[1]: phase=8 pppos_netif_output[1]: proto=0x21, len = 44 pppos_input[1]: got 49 bytes ppp_input[1]: ip in pbuf len=44 I (29635) [SOCKET]: ... connected pppos_netif_output[1]: proto=0x21, len = 40 pppos_netif_output[1]: proto=0x21, len = 81 I (29645) [SOCKET]: ... socket send success pppos_input[1]: got 49 bytes ppp_input[1]: ip in pbuf len=44 pppos_netif_output[1]: proto=0x21, len = 40 pppos_input[1]: got 45 bytes ppp_input[1]: ip in pbuf len=40 pppos_input[1]: got 92 bytes ppp_input[1]: ip in pbuf len=41 ppp_input[1]: ip in pbuf len=40 pppos_netif_output[1]: proto=0x21, len = 40 I (31445) [SOCKET]: Received from server 255 pppos_netif_output[1]: proto=0x21, len = 40 ppp_close[1]: kill_link -> lcp_close _<<<<<<< ---------------- call pppapiclose(ppp, 0); ppp phase changed[1]: phase=9 ppp phase changed[1]: phase=7 sifvjcomp[1]: VJ compress enable=0 slot=0 max slot=0 sifdown[1]: err_code=5 ccp_set[1]: is_open=0, is_up=0, receive_method=0, transmit_method=0 ppp phase changed[1]: phase=4 pppos_send_config[1]: out_accm=FF FF FF FF ppp_send_config[1] pppos_recv_config[1]: in_accm=0 0 A 0 ppp_recv_config[1] pppos_write[1]: len=20 pppos_write[1]: len=20 ppp phase changed[1]: phase=10 Connection terminated. ppp phase changed[1]: phase=0 ppp_link_terminated[1] ppp_end[1] E (43015) [PPPOS CLIENT]: status_cb: User interrupt <<<<<<----------- closing event ppp_link_terminated[1]: finished. <<<<<<----------- end of ppp connection

I'm wondering if it is possible to reduce the time between call pppapi_close and the actual closing event? I already tested the modem with other setup(linux + pppd), the time to close the connection is shorter.

liuzfesp commented 6 years ago

Hi @fabriciopk could you share me the Demo code please? Then I can reproduce it myself.

liuzfesp commented 6 years ago

@zhangyanjiaoesp please help to following this issue.

Alvin1Zhang commented 5 years ago

@fabriciopk Sorry for getting back to you so late... Would you help share whether you still have the issue you mentioned in this ticket? If yes, would you kindly help share the demo code so that we could try to reproduce? Thanks.

bfabricio commented 5 years ago

Hi @Alvin1Zhang, This was the demo code that I was using: https://github.com/fabriciopk/esp32_integrations/blob/97ed44dad56f20e7601b997b9e987976d9b6c8ac/main/Gprs.cpp#L303

suda-morris commented 5 years ago

@fabriciopk Can you try the pppos example in esp-idf, if there's still a long time between calling the function pppapi_close(ppp, 0) and the event of closing the connection?

Alvin1Zhang commented 5 years ago

@fabriciopk Thanks for reporting. Would you please help try the pppos example in esp-idf, if there is still a long time between calling the function pppapi_close(ppp, 0) and the event of closing the connection? Thanks.

Alvin1Zhang commented 4 years ago

Will close due to short of feedback, feel free to reopen with more details. Thanks.