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New options so-rcvtimeo, so-sndtimeo

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This commit is contained in:
Gerhard Rieger 2023-10-26 16:48:37 +02:00
parent 2db04378ae
commit 9faf068949
7 changed files with 139 additions and 24 deletions

20
doc/socat.yo
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@ -608,7 +608,8 @@ label(ADDRESS_OPENSSL_DTLS_CLIENT)dit(bf(tt(OPENSSL-DTLS-CLIENT:<host>:<port>)))
link(bind)(OPTION_BIND),
link(pf)(OPTION_PROTOCOL_FAMILY),
link(sourceport)(OPTION_SOURCEPORT),
link(retry)(OPTION_RETRY)nl()
link(retry)(OPTION_RETRY),
link(rcvtimeo)(OPTION_SO_RCVTIMOE)nl()
See also:
link(OPENSSL-DTLS-SERVER)(ADDRESS_OPENSSL_DTLS_SERVER),
link(OPENSSL-CONNECT)(ADDRESS_OPENSSL_CONNECT),
@ -644,6 +645,7 @@ label(ADDRESS_OPENSSL_DTLS_SERVER)dit(bf(tt(OPENSSL-DTLS-SERVER:<port>)))
link(su)(OPTION_SUBSTUSER),
link(reuseaddr)(OPTION_REUSEADDR),
link(retry)(OPTION_RETRY)nl()
link(rcvtimeo)(OPTION_SO_RCVTIMOE)nl()
See also:
link(OPENSSL-DTLS-CLIENT)(ADDRESS_OPENSSL_DTLS_CLIENT),
link(OPENSSL-LISTEN)(ADDRESS_OPENSSL_LISTEN),
@ -1983,9 +1985,15 @@ label(OPTION_RCVBUF_LATE)dit(bf(tt(rcvbuf-late=<bytes>)))
connected to <bytes> [link(int)(TYPE_INT)].
With TCP sockets, this value corresponds to the socket's
maximal window size.
label(OPTION_RCVLOWAT)dit(bf(tt(rcvlowat=<bytes>)))
Specifies the minimum number of received bytes [link(int)(TYPE_INT)] until
the socket layer will pass the buffered data to socat().
label(OPTION_SO_RCVTIMOE)dit(bf(tt(so-rcvtimeo=<time>, rcvtimeo=<time>)))
Specifies the time [link(int)(TYPE_TIMEVAL)] until code(recv()), code(read())
etc. functions timeout when no data is received. Note that in the transfer
phase socat() only calls these functions when code(select()) has reported
that data is available. However this option is useful with DTLS addresses to
timeout during connection negotiation.
label(OPTION_SO_SNDTIMOE)dit(bf(tt(so-sndtimeo=<time>, sndtimeo=<time>)))
Like link(so-recvtimeo)(OPTION_SO_RCVTIMOE), but for code(send). Not usecase
known.
label(OPTION_REUSEADDR)dit(bf(tt(reuseaddr)))
Allows other sockets to bind to an address even if parts of it (e.g. the
local port) are already in use by socat() (link(example)(EXAMPLE_OPTION_REUSEADDR)).
@ -2896,11 +2904,11 @@ label(OPTION_OPENSSL_EGD)dit(bf(tt(egd=<filename>)))
On some systems, openssl requires an explicit source of random data. Specify
the socket name where an entropy gathering daemon like egd provides random
data, e.g. /dev/egd-pool.
label(OPTION_OPENSSL_MAXFRAGLEN)dit(bf(tt(maxfraglen=<int>, openssl-maxfraglen=<int>)))
label(OPTION_OPENSSL_MAXFRAGLEN)dit(bf(tt(openssl-maxfraglen=<int>, maxfraglen=<int>)))
For client connections, make a Max Fragment Length Negotiation Request to the server to limit the
maximum size fragment the server will send to us. Supported lengths are: 512, 1024, 2048, or
4096. Note that this option is not applicable for link(OPENSSL-LISTEN)(ADDRESS_OPENSSL_LISTEN).
label(OPTION_OPENSSL_MAXSENDFRAG)dit(bf(tt(maxsendfrag=<int>, openssl-maxsendfrag=<int>)))
label(OPTION_OPENSSL_MAXSENDFRAG)dit(bf(tt(openssl-maxsendfrag=<int>, maxsendfrag=<int>)))
Limit the maximum size of the fragment we will send to the other side. Supported length range:
512 - 16384. Note that under link(OPENSSL-LISTEN)(ADDRESS_OPENSSL_LISTEN), the maximum fragment
size may be further limited by the client's Maximum Fragment Length Negotiation Request, if it