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MDEV-14412 Support TCP keepalive options

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Based on pull request by Oleg Obleukhov
https://github.com/MariaDB/server/pull/400
This commit is contained in:
Vladislav Vaintroub
2017-11-17 19:36:47 +00:00
parent faee08c10c
commit e0a00c5a2f
12 changed files with 542 additions and 286 deletions
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10
include/violite.h
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@@ -51,6 +51,14 @@ enum enum_vio_io_event
VIO_IO_EVENT_CONNECT
};
struct vio_keepalive_opts
{
int interval;
int idle;
int probes;
};
#define VIO_LOCALHOST 1U /* a localhost connection */
#define VIO_BUFFERED_READ 2U /* use buffered read */
#define VIO_READ_BUFFER_SIZE 16384U /* size of read buffer */
@@ -84,6 +92,7 @@ my_bool vio_is_blocking(Vio *vio);
int vio_fastsend(Vio *vio);
/* setsockopt SO_KEEPALIVE at SOL_SOCKET level, when possible */
int vio_keepalive(Vio *vio, my_bool onoff);
int vio_set_keepalive_options(Vio * vio, const struct vio_keepalive_opts *opts);
/* Whenever we should retry the last read/write operation. */
my_bool vio_should_retry(Vio *vio);
/* Check that operation was timed out */
@@ -214,7 +223,6 @@ enum SSL_type
SSL_TYPE_SPECIFIED
};
/* HFTODO - hide this if we don't want client in embedded server */
/* This structure is for every connection on both sides */
struct st_vio