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authorJo-Philipp Wich <jo@mein.io>2019-11-05 10:27:59 +0100
committerJo-Philipp Wich <jo@mein.io>2019-11-05 10:42:54 +0100
commitbaa727de93db009f90d70a80a9861758a24eae77 (patch)
treefd91ac853abc2feef5496720e5284e911ad1b020 /documentation/api/modules/nixio.Socket.html
parent355a48866d1a43df9443a3b559c8ec8642343f3a (diff)
docs: rename documentation folder to docs
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
Diffstat (limited to 'documentation/api/modules/nixio.Socket.html')
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- <li><strong>nixio.Socket</strong></li>
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-
-
-<!-- File list -->
-
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-
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-</div><!-- id="navigation" -->
-
-<div id="content">
-
-<h1>Object Instance <code>nixio.Socket</code></h1>
-
-<p>
- Socket Object.
- Supports IPv4, IPv6 and UNIX (POSIX only) families.</p>
-
-
-
-
-
-
-
-<h2>Functions</h2>
-<table class="function_list">
-
- <tr>
- <td class="name" nowrap><a href="#Socket.accept">Socket:accept</a>&nbsp;()</td>
- <td class="summary">
- Accept a connection on the socket.</td>
- </tr>
-
- <tr>
- <td class="name" nowrap><a href="#Socket.bind">Socket:bind</a>&nbsp;(host, port)</td>
- <td class="summary">
- Bind the socket to a network address.</td>
- </tr>
-
- <tr>
- <td class="name" nowrap><a href="#Socket.close">Socket:close</a>&nbsp;()</td>
- <td class="summary">
- Close the socket.</td>
- </tr>
-
- <tr>
- <td class="name" nowrap><a href="#Socket.connect">Socket:connect</a>&nbsp;(host, port)</td>
- <td class="summary">
- Connect the socket to a network address.</td>
- </tr>
-
- <tr>
- <td class="name" nowrap><a href="#Socket.fileno">Socket:fileno</a>&nbsp;()</td>
- <td class="summary">
- Get the number of the filedescriptor.</td>
- </tr>
-
- <tr>
- <td class="name" nowrap><a href="#Socket.getopt">Socket:getopt</a>&nbsp;(level, option)</td>
- <td class="summary">
- Get a socket option.</td>
- </tr>
-
- <tr>
- <td class="name" nowrap><a href="#Socket.getpeername">Socket:getpeername</a>&nbsp;()</td>
- <td class="summary">
- Get the peer address of a socket.</td>
- </tr>
-
- <tr>
- <td class="name" nowrap><a href="#Socket.getsockname">Socket:getsockname</a>&nbsp;()</td>
- <td class="summary">
- Get the local address of a socket.</td>
- </tr>
-
- <tr>
- <td class="name" nowrap><a href="#Socket.listen">Socket:listen</a>&nbsp;(backlog)</td>
- <td class="summary">
- Listen for connections on the socket.</td>
- </tr>
-
- <tr>
- <td class="name" nowrap><a href="#Socket.read ">Socket:read </a>&nbsp;(length)</td>
- <td class="summary">
- Receive a message on the socket (This is an alias for recv).</td>
- </tr>
-
- <tr>
- <td class="name" nowrap><a href="#Socket.recv ">Socket:recv </a>&nbsp;(length)</td>
- <td class="summary">
- Receive a message on the socket.</td>
- </tr>
-
- <tr>
- <td class="name" nowrap><a href="#Socket.recvfrom">Socket:recvfrom</a>&nbsp;(length)</td>
- <td class="summary">
- Receive a message on the socket including the senders source address.</td>
- </tr>
-
- <tr>
- <td class="name" nowrap><a href="#Socket.send">Socket:send</a>&nbsp;(buffer, offset, length)</td>
- <td class="summary">
- Send a message on the socket.</td>
- </tr>
-
- <tr>
- <td class="name" nowrap><a href="#Socket.sendto">Socket:sendto</a>&nbsp;(buffer, host, port, offset, length)</td>
- <td class="summary">
- Send a message on the socket specifying the destination.</td>
- </tr>
-
- <tr>
- <td class="name" nowrap><a href="#Socket.setblocking">Socket:setblocking</a>&nbsp;(blocking)</td>
- <td class="summary">
- Set the blocking mode of the socket.</td>
- </tr>
-
- <tr>
- <td class="name" nowrap><a href="#Socket.setopt">Socket:setopt</a>&nbsp;(level, option, value)</td>
- <td class="summary">
- Set a socket option.</td>
- </tr>
-
- <tr>
- <td class="name" nowrap><a href="#Socket.shutdown">Socket:shutdown</a>&nbsp;(how)</td>
- <td class="summary">
- Shut down part of a full-duplex connection.</td>
- </tr>
-
- <tr>
- <td class="name" nowrap><a href="#Socket.write">Socket:write</a>&nbsp;(buffer, offset, length)</td>
- <td class="summary">
- Send a message on the socket (This is an alias for send).</td>
- </tr>
-
-</table>
-
-
-
-
-
-
-<br/>
-<br/>
-
-
-<h2><a name="functions"></a>Functions</h2>
-<dl class="function">
-
-
-
-<dt><a name="Socket.accept"></a><strong>Socket:accept</strong>&nbsp;()</dt>
-<dd>
-
- Accept a connection on the socket.
-
-
-
-
-
-
-
-<h3>Return values:</h3>
-<ol>
-
- <li>Socket Object
-
- <li>Peer IP-Address
-
- <li>Peer Port
-
-</ol>
-
-
-
-</dd>
-
-
-
-
-<dt><a name="Socket.bind"></a><strong>Socket:bind</strong>&nbsp;(host, port)</dt>
-<dd>
-
- Bind the socket to a network address.
-
-
-<h3>Parameters</h3>
-<ul>
-
- <li>
- host: Host (optional, default: all addresses)
- </li>
-
- <li>
- port: Port or service description
- </li>
-
-</ul>
-
-
-
-
-<h3>Usage</h3>
-<ul>
-
- <li>This function calls getaddrinfo() and bind() but NOT listen().
-
- <li>If <em>host</em> is a domain name it will be looked up and bind()
- tries the IP-Addresses in the order returned by the DNS resolver
- until the bind succeeds.
-
- <li>UNIX sockets ignore the <em>port</em>,
- and interpret <em>host</em> as a socket path.
-
-</ul>
-
-
-
-<h3>Return value:</h3>
-true
-
-
-
-</dd>
-
-
-
-
-<dt><a name="Socket.close"></a><strong>Socket:close</strong>&nbsp;()</dt>
-<dd>
-
- Close the socket.
-
-
-
-
-
-
-
-<h3>Return value:</h3>
-true
-
-
-
-</dd>
-
-
-
-
-<dt><a name="Socket.connect"></a><strong>Socket:connect</strong>&nbsp;(host, port)</dt>
-<dd>
-
- Connect the socket to a network address.
-
-
-<h3>Parameters</h3>
-<ul>
-
- <li>
- host: Hostname or IP-Address (optional, default: localhost)
- </li>
-
- <li>
- port: Port or service description
- </li>
-
-</ul>
-
-
-
-
-<h3>Usage</h3>
-<ul>
-
- <li>This function calls getaddrinfo() and connect().
-
- <li>If <em>host</em> is a domain name it will be looked up and connect()
- tries the IP-Addresses in the order returned by the DNS resolver
- until the connect succeeds.
-
- <li>UNIX sockets ignore the <em>port</em>,
- and interpret <em>host</em> as a socket path.
-
-</ul>
-
-
-
-<h3>Return value:</h3>
-true
-
-
-
-</dd>
-
-
-
-
-<dt><a name="Socket.fileno"></a><strong>Socket:fileno</strong>&nbsp;()</dt>
-<dd>
-
- Get the number of the filedescriptor.
-
-
-
-
-
-
-
-<h3>Return value:</h3>
-file descriptor number
-
-
-
-</dd>
-
-
-
-
-<dt><a name="Socket.getopt"></a><strong>Socket:getopt</strong>&nbsp;(level, option)</dt>
-<dd>
-
- Get a socket option.
-
-
-<h3>Parameters</h3>
-<ul>
-
- <li>
- level: Level ["socket", "tcp", "ip", "ipv6"]
- </li>
-
- <li>
- option: Option ["keepalive", "reuseaddr", "sndbuf", "rcvbuf",
- "priority", "broadcast", "linger", "sndtimeo", "rcvtimeo", "dontroute",
- "bindtodevice", "error", "oobinline", "cork" (TCP), "nodelay" (TCP),
- "mtu" (IP, IPv6), "hdrincl" (IP), "multicast_ttl" (IP), "multicast_loop"
- (IP, IPv6), "multicast_if" (IP, IPv6), "v6only" (IPv6), "multicast_hops"
- (IPv6), "add_membership" (IP, IPv6), "drop_membership" (IP, IPv6)]
- </li>
-
-</ul>
-
-
-
-
-
-
-<h3>Return value:</h3>
-Value
-
-
-
-</dd>
-
-
-
-
-<dt><a name="Socket.getpeername"></a><strong>Socket:getpeername</strong>&nbsp;()</dt>
-<dd>
-
- Get the peer address of a socket.
-
-
-
-
-
-
-
-<h3>Return values:</h3>
-<ol>
-
- <li>IP-Address
-
- <li>Port
-
-</ol>
-
-
-
-</dd>
-
-
-
-
-<dt><a name="Socket.getsockname"></a><strong>Socket:getsockname</strong>&nbsp;()</dt>
-<dd>
-
- Get the local address of a socket.
-
-
-
-
-
-
-
-<h3>Return values:</h3>
-<ol>
-
- <li>IP-Address
-
- <li>Port
-
-</ol>
-
-
-
-</dd>
-
-
-
-
-<dt><a name="Socket.listen"></a><strong>Socket:listen</strong>&nbsp;(backlog)</dt>
-<dd>
-
- Listen for connections on the socket.
-
-
-<h3>Parameters</h3>
-<ul>
-
- <li>
- backlog: Length of queue for pending connections
- </li>
-
-</ul>
-
-
-
-
-
-
-<h3>Return value:</h3>
-true
-
-
-
-</dd>
-
-
-
-
-<dt><a name="Socket.read "></a><strong>Socket:read </strong>&nbsp;(length)</dt>
-<dd>
-
- Receive a message on the socket (This is an alias for recv).
- See the recvfrom description for more details.
-
-
-<h3>Parameters</h3>
-<ul>
-
- <li>
- length: Amount of data to read (in Bytes).
- </li>
-
-</ul>
-
-
-
-
-
-
-<h3>Return value:</h3>
-buffer containing data successfully read
-
-
-
-<h3>See also:</h3>
-<ul>
-
- <li><a href="#Socket.recvfrom">
- Socket:recvfrom
- </a>
-
-</ul>
-
-</dd>
-
-
-
-
-<dt><a name="Socket.recv "></a><strong>Socket:recv </strong>&nbsp;(length)</dt>
-<dd>
-
- Receive a message on the socket.
- This function is identical to recvfrom except that it does not return
- the sender's source address. See the recvfrom description for more details.
-
-
-<h3>Parameters</h3>
-<ul>
-
- <li>
- length: Amount of data to read (in Bytes).
- </li>
-
-</ul>
-
-
-
-
-
-
-<h3>Return value:</h3>
-buffer containing data successfully read
-
-
-
-<h3>See also:</h3>
-<ul>
-
- <li><a href="#Socket.recvfrom">
- Socket:recvfrom
- </a>
-
-</ul>
-
-</dd>
-
-
-
-
-<dt><a name="Socket.recvfrom"></a><strong>Socket:recvfrom</strong>&nbsp;(length)</dt>
-<dd>
-
- Receive a message on the socket including the senders source address.
-
-
-<h3>Parameters</h3>
-<ul>
-
- <li>
- length: Amount of data to read (in Bytes).
- </li>
-
-</ul>
-
-
-
-
-<h3>Usage</h3>
-<ul>
-
- <li><strong>Warning:</strong> It is not guaranteed that all requested data
- is read at once.
- You have to check the return value - the length of the buffer actually read -
- or use the safe IO functions in the high-level IO utility module.
-
- <li>The length of the return buffer is limited by the (compile time)
- nixio buffersize which is <em>nixio.const.buffersize</em> (8192 by default).
- Any read request greater than that will be safely truncated to this value.
-
-</ul>
-
-
-
-<h3>Return values:</h3>
-<ol>
-
- <li>buffer containing data successfully read
-
- <li>host IP-Address of the sender
-
- <li>port Port of the sender
-
-</ol>
-
-
-
-</dd>
-
-
-
-
-<dt><a name="Socket.send"></a><strong>Socket:send</strong>&nbsp;(buffer, offset, length)</dt>
-<dd>
-
- Send a message on the socket.
- This function is identical to sendto except for the missing destination
- parameters. See the sendto description for a detailed description.
-
-
-<h3>Parameters</h3>
-<ul>
-
- <li>
- buffer: Buffer holding the data to be written.
- </li>
-
- <li>
- offset: Offset to start reading the buffer from. (optional)
- </li>
-
- <li>
- length: Length of chunk to read from the buffer. (optional)
- </li>
-
-</ul>
-
-
-
-
-
-
-<h3>Return value:</h3>
-number of bytes written
-
-
-
-<h3>See also:</h3>
-<ul>
-
- <li><a href="#Socket.sendto">
- Socket:sendto
- </a>
-
-</ul>
-
-</dd>
-
-
-
-
-<dt><a name="Socket.sendto"></a><strong>Socket:sendto</strong>&nbsp;(buffer, host, port, offset, length)</dt>
-<dd>
-
- Send a message on the socket specifying the destination.
-
-
-<h3>Parameters</h3>
-<ul>
-
- <li>
- buffer: Buffer holding the data to be written.
- </li>
-
- <li>
- host: Target IP-Address
- </li>
-
- <li>
- port: Target Port
- </li>
-
- <li>
- offset: Offset to start reading the buffer from. (optional)
- </li>
-
- <li>
- length: Length of chunk to read from the buffer. (optional)
- </li>
-
-</ul>
-
-
-
-
-<h3>Usage</h3>
-<ul>
-
- <li><strong>Warning:</strong> It is not guaranteed that all data
- in the buffer is written at once.
- You have to check the return value - the number of bytes actually written -
- or use the safe IO functions in the high-level IO utility module.
-
- <li>Unlike standard Lua indexing the lowest offset and default is 0.
-
-</ul>
-
-
-
-<h3>Return value:</h3>
-number of bytes written
-
-
-
-</dd>
-
-
-
-
-<dt><a name="Socket.setblocking"></a><strong>Socket:setblocking</strong>&nbsp;(blocking)</dt>
-<dd>
-
- Set the blocking mode of the socket.
-
-
-<h3>Parameters</h3>
-<ul>
-
- <li>
- blocking: (boolean)
- </li>
-
-</ul>
-
-
-
-
-
-
-<h3>Return value:</h3>
-true
-
-
-
-</dd>
-
-
-
-
-<dt><a name="Socket.setopt"></a><strong>Socket:setopt</strong>&nbsp;(level, option, value)</dt>
-<dd>
-
- Set a socket option.
-
-
-<h3>Parameters</h3>
-<ul>
-
- <li>
- level: Level ["socket", "tcp", "ip", "ipv6"]
- </li>
-
- <li>
- option: Option ["keepalive", "reuseaddr", "sndbuf", "rcvbuf",
- "priority", "broadcast", "linger", "sndtimeo", "rcvtimeo", "dontroute",
- "bindtodevice", "error", "oobinline", "cork" (TCP), "nodelay" (TCP),
- "mtu" (IP, IPv6), "hdrincl" (IP), "multicast_ttl" (IP), "multicast_loop"
- (IP, IPv6), "multicast_if" (IP, IPv6), "v6only" (IPv6), "multicast_hops"
- (IPv6), "add_membership" (IP, IPv6), "drop_membership" (IP, IPv6)]
- </li>
-
- <li>
- value: Value
- </li>
-
-</ul>
-
-
-
-
-
-
-<h3>Return value:</h3>
-true
-
-
-
-</dd>
-
-
-
-
-<dt><a name="Socket.shutdown"></a><strong>Socket:shutdown</strong>&nbsp;(how)</dt>
-<dd>
-
- Shut down part of a full-duplex connection.
-
-
-<h3>Parameters</h3>
-<ul>
-
- <li>
- how: (optional, default: rdwr) ["rdwr", "rd", "wr"]
- </li>
-
-</ul>
-
-
-
-
-
-
-<h3>Return value:</h3>
-true
-
-
-
-</dd>
-
-
-
-
-<dt><a name="Socket.write"></a><strong>Socket:write</strong>&nbsp;(buffer, offset, length)</dt>
-<dd>
-
- Send a message on the socket (This is an alias for send).
- See the sendto description for a detailed description.
-
-
-<h3>Parameters</h3>
-<ul>
-
- <li>
- buffer: Buffer holding the data to be written.
- </li>
-
- <li>
- offset: Offset to start reading the buffer from. (optional)
- </li>
-
- <li>
- length: Length of chunk to read from the buffer. (optional)
- </li>
-
-</ul>
-
-
-
-
-
-
-<h3>Return value:</h3>
-number of bytes written
-
-
-
-<h3>See also:</h3>
-<ul>
-
- <li><a href="#Socket.sendto">
- Socket:sendto
- </a>
-
-</ul>
-
-</dd>
-
-
-</dl>
-
-
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