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keepalive api (default 2h,75s,9 not enabled) (#3937)

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This commit is contained in:
david gauchard
2018-01-05 04:17:37 +01:00
committed by Develo
parent fb7c519856
commit 9cfbbc7ad3
3 changed files with 72 additions and 0 deletions
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35
libraries/ESP8266WiFi/src/include/ClientContext.h
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@@ -43,6 +43,9 @@ public:
tcp_sent(pcb, &_s_sent);
tcp_err(pcb, &_s_error);
tcp_poll(pcb, &_s_poll, 1);
// not enabled by default for 2.4.0
//keepAlive();
}
err_t abort()
@@ -341,6 +344,38 @@ public:
return _write_from_source(new BufferedStreamDataSource<ProgmemStream>(stream, size));
}
void keepAlive (uint16_t idle_sec = TCP_DEFAULT_KEEPALIVE_IDLE_SEC, uint16_t intv_sec = TCP_DEFAULT_KEEPALIVE_INTERVAL_SEC, uint8_t count = TCP_DEFAULT_KEEPALIVE_COUNT)
{
if (idle_sec && intv_sec && count) {
_pcb->so_options |= SOF_KEEPALIVE;
_pcb->keep_idle = (uint32_t)1000 * idle_sec;
_pcb->keep_intvl = (uint32_t)1000 * intv_sec;
_pcb->keep_cnt = count;
}
else
_pcb->so_options &= ~SOF_KEEPALIVE;
}
bool isKeepAliveEnabled () const
{
return !!(_pcb->so_options & SOF_KEEPALIVE);
}
uint16_t getKeepAliveIdle () const
{
return isKeepAliveEnabled()? (_pcb->keep_idle + 500) / 1000: 0;
}
uint16_t getKeepAliveInterval () const
{
return isKeepAliveEnabled()? (_pcb->keep_intvl + 500) / 1000: 0;
}
uint8_t getKeepAliveCount () const
{
return isKeepAliveEnabled()? _pcb->keep_cnt: 0;
}
protected:
bool _is_timeout()