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Don't wait for the network when read buffers possibly hold commands

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There is no point in waiting up to one second for the network receiving
new data when there is still a read buffer holding at least one command;
we shouldn't waste time but handle it immediately!
This commit is contained in:
Alexander Barton 2020-05-03 02:55:34 +02:00
parent 54fac57603
commit 387a29a7fd
1 changed files with 9 additions and 4 deletions
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13
src/ngircd/conn.c
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@ -660,12 +660,14 @@ Conn_Handler(void)
size_t wdatalen;
struct timeval tv;
time_t t;
bool command_available;
Log(LOG_NOTICE, "Server \"%s\" (on \"%s\") ready.",
Client_ID(Client_ThisServer()), Client_Hostname(Client_ThisServer()));
while (!NGIRCd_SignalQuit && !NGIRCd_SignalRestart) {
t = time(NULL);
command_available = false;
/* Check configured servers and established links */
Check_Servers();
@ -743,19 +745,22 @@ Conn_Handler(void)
* this command(s) to be handled first! */
io_event_del(My_Connections[i].sock,
IO_WANTREAD);
command_available = true;
continue;
}
io_event_add(My_Connections[i].sock, IO_WANTREAD);
}
/* Set the timeout for reading from the network to 1 second,
* which is the granularity with witch we handle "penalty
* times" for example.
/* Don't wait for data when there is still at least one command
* available in a read buffer which can be handled immediately;
* set the timeout for reading from the network to 1 second
* otherwise, which is the granularity with witch we handle
* "penalty times" for example.
* Note: tv_sec/usec are undefined(!) after io_dispatch()
* returns, so we have to set it before each call to it! */
tv.tv_usec = 0;
tv.tv_sec = 1;
tv.tv_sec = command_available ? 0 : 1;
/* Wait for activity ... */
i = io_dispatch(&tv);