diff options
Diffstat (limited to 'lib/kernel/doc/src/inet.xml')
| -rw-r--r-- | lib/kernel/doc/src/inet.xml | 193 |
1 files changed, 75 insertions, 118 deletions
diff --git a/lib/kernel/doc/src/inet.xml b/lib/kernel/doc/src/inet.xml index f05a224f33..fd843b00d9 100644 --- a/lib/kernel/doc/src/inet.xml +++ b/lib/kernel/doc/src/inet.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>1997</year><year>2010</year> + <year>1997</year><year>2011</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -54,33 +54,6 @@ $ <input>erl -sname test -kernel \</input> <input>inet_default_listen_options '[{delay_send,true}]'</input></pre> <p>Note that the default option <c>{active, true}</c> currently cannot be changed, for internal reasons.</p> - </description> - - <section> - <title>DATA TYPES</title> - <code type="none"> -#hostent{h_addr_list = [ip_address()] % list of addresses for this host - h_addrtype = inet | inet6 - h_aliases = [hostname()] % list of aliases - h_length = int() % length of address in bytes - h_name = hostname() % official name for host - The record is defined in the Kernel include file "inet.hrl" - Add the following directive to the module: - -include_lib("kernel/include/inet.hrl"). - -hostname() = atom() | string() - -ip_address() = {N1,N2,N3,N4} % IPv4 - | {K1,K2,K3,K4,K5,K6,K7,K8} % IPv6 - Ni = 0..255 - Ki = 0..65535 - -posix() - an atom which is named from the Posix error codes used in - Unix, and in the runtime libraries of most C compilers - -socket() - see gen_tcp(3), gen_udp(3)</code> <p>Addresses as inputs to functions can be either a string or a tuple. For instance, the IP address 150.236.20.73 can be passed to <c>gethostbyaddr/1</c> either as the string "150.236.20.73" @@ -109,24 +82,58 @@ fe80::204:acff:fe17:bf38 {ok,{192,168,42,2}} 2> <input>inet_parse:address("FFFF::192.168.42.2").</input> {ok,{65535,0,0,0,0,0,49320,10754}}</pre> - </section> + </description> + + <datatypes> + <datatype> + <name name="hostent"/> + <desc> + <p>The record is defined in the Kernel include file "inet.hrl". + Add the following directive to the module:</p> +<code>-include_lib("kernel/include/inet.hrl").</code></desc> + </datatype> + <datatype> + <name name="hostname"/> + </datatype> + <datatype> + <name name="ip_address"/> + </datatype> + <datatype> + <name name="ip4_address"/> + </datatype> + <datatype> + <name name="ip6_address"/> + </datatype> + <datatype> + <name name="posix"/> + <desc><p>An atom which is named from the Posix error codes + used in Unix, and in the runtime libraries of most + C compilers. See + <seealso marker="#error_codes">POSIX Error Codes</seealso>.</p> + </desc> + </datatype> + <datatype> + <name><marker id="type-socket">socket()</marker></name> + <desc><p>See <seealso marker="gen_tcp#type-socket">gen_tcp(3)</seealso> + and <seealso marker="gen_udp#type-socket">gen_udp(3)</seealso>.</p> + </desc> + </datatype> + <datatype> + <name name="family_option"/> + </datatype> + </datatypes> + <funcs> <func> - <name>close(Socket) -> ok</name> + <name name="close" arity="1"/> <fsummary>Close a socket of any type</fsummary> - <type> - <v>Socket = socket()</v> - </type> <desc> <p>Closes a socket of any type.</p> </desc> </func> <func> - <name>get_rc() -> [{Par, Val}]</name> + <name name="get_rc" arity="0"/> <fsummary>Return a list of IP configuration parameters</fsummary> - <type> - <v>Par, Val -- see below</v> - </type> <desc> <p>Returns the state of the Inet configuration database in form of a list of recorded configuration parameters. (See the @@ -135,116 +142,74 @@ fe80::204:acff:fe17:bf38 </desc> </func> <func> - <name>format_error(Posix) -> string()</name> + <name name="format_error" arity="1"/> <fsummary>Return a descriptive string for an error reason</fsummary> - <type> - <v>Posix = posix()</v> - </type> <desc> <p>Returns a diagnostic error string. See the section below - for possible <c>Posix</c> values and the corresponding + for possible <c><anno>Posix</anno></c> values and the corresponding strings.</p> </desc> </func> <func> - <name>getaddr(Host, Family) -> {ok, Address} | {error, posix()}</name> + <name name="getaddr" arity="2"/> <fsummary>Return the IP-address for a host</fsummary> - <type> - <v>Host = ip_address() | string() | atom()</v> - <v>Family = inet | inet6</v> - <v>Address = ip_address()</v> - <v>posix() = term()</v> - </type> <desc> - <p>Returns the IP-address for <c>Host</c> as a tuple of - integers. <c>Host</c> can be an IP-address, a single hostname + <p>Returns the IP-address for <c><anno>Host</anno></c> as a tuple of + integers. <c><anno>Host</anno></c> can be an IP-address, a single hostname or a fully qualified hostname.</p> </desc> </func> <func> - <name>getaddrs(Host, Family) -> {ok, Addresses} | {error, posix()}</name> + <name name="getaddrs" arity="2"/> <fsummary>Return the IP-addresses for a host</fsummary> - <type> - <v>Host = ip_address() | string() | atom()</v> - <v>Addresses = [ip_address()]</v> - <v>Family = inet | inet6</v> - </type> <desc> - <p>Returns a list of all IP-addresses for <c>Host</c>. - <c>Host</c> can be an IP-address, a single hostname or a fully + <p>Returns a list of all IP-addresses for <c><anno>Host</anno></c>. + <c><anno>Host</anno></c> can be an IP-address, a single hostname or a fully qualified hostname.</p> </desc> </func> <func> - <name>gethostbyaddr(Address) -> {ok, Hostent} | {error, posix()}</name> + <name name="gethostbyaddr" arity="1"/> <fsummary>Return a hostent record for the host with the given address</fsummary> - <type> - <v>Address = string() | ip_address()</v> - <v>Hostent = #hostent{}</v> - </type> <desc> <p>Returns a <c>hostent</c> record given an address.</p> </desc> </func> <func> - <name>gethostbyname(Name) -> {ok, Hostent} | {error, posix()}</name> + <name name="gethostbyname" arity="1"/> <fsummary>Return a hostent record for the host with the given name</fsummary> - <type> - <v>Hostname = hostname()</v> - <v>Hostent = #hostent{}</v> - </type> <desc> <p>Returns a <c>hostent</c> record given a hostname.</p> </desc> </func> <func> - <name>gethostbyname(Name, Family) -> {ok, Hostent} | {error, posix()}</name> + <name name="gethostbyname" arity="2"/> <fsummary>Return a hostent record for the host with the given name</fsummary> - <type> - <v>Hostname = hostname()</v> - <v>Family = inet | inet6</v> - <v>Hostent = #hostent{}</v> - </type> <desc> <p>Returns a <c>hostent</c> record given a hostname, restricted to the given address family.</p> </desc> </func> <func> - <name>gethostname() -> {ok, Hostname}</name> + <name name="gethostname" arity="0"/> <fsummary>Return the local hostname</fsummary> - <type> - <v>Hostname = string()</v> - </type> <desc> <p>Returns the local hostname. Will never fail.</p> </desc> </func> <func> - <name>getifaddrs() -> {ok,Iflist} | {error,posix}</name> + <name name="getifaddrs" arity="0"/> <fsummary>Return a list of interfaces and their addresses</fsummary> - <type> - <v>Iflist = {Ifname,[Ifopt]}</v> - <v>Ifname = string()</v> - <v>Ifopt = {flag,[Flag]} | {addr,Addr} | {netmask,Netmask} - | {broadaddr,Broadaddr} | {dstaddr,Dstaddr} - | {hwaddr,Hwaddr}</v> - <v>Flag = up | broadcast | loopback | pointtopoint - | running | multicast</v> - <v>Addr = Netmask = Broadadddr = Dstaddr = ip_address()</v> - <v>Hwaddr = [byte()]</v> - </type> - </func> <desc> <p> Returns a list of 2-tuples containing interface names and the - interface's addresses. <c>Ifname</c> is a Unicode string. - <c>Hwaddr</c> is hardware dependent, e.g on Ethernet interfaces + interface's addresses. <c><anno>Ifname</anno></c> is a Unicode string. + <c><anno>Hwaddr</anno></c> is hardware dependent, e.g on Ethernet interfaces it is the 6-byte Ethernet address (MAC address (EUI-48 address)). </p> <p> - The <c>{addr,Addr}</c>, <c>{netmask,_}</c> and <c>{broadaddr,_}</c> + The <c>{addr,<anno>Addr</anno>}</c>, <c>{netmask,_}</c> and <c>{broadaddr,_}</c> tuples are repeated in the result list iff the interface has multiple addresses. If you come across an interface that has multiple <c>{flag,_}</c> or <c>{hwaddr,_}</c> tuples you have @@ -252,8 +217,8 @@ fe80::204:acff:fe17:bf38 The <c>{flag,_}</c> tuple is mandatory, all other optional. </p> <p> - Do not rely too much on the order of <c>Flag</c> atoms or - <c>Ifopt</c> tuples. There are some rules, though: + Do not rely too much on the order of <c><anno>Flag</anno></c> atoms or + <c><anno>Ifopt</anno></c> tuples. There are some rules, though: <list> <item> Immediately after <c>{addr,_}</c> follows <c>{netmask,_}</c> @@ -261,7 +226,7 @@ fe80::204:acff:fe17:bf38 <item> Immediately thereafter follows <c>{broadaddr,_}</c> if the <c>broadcast</c> flag is <em>not</em> set and the - <c>pointtopoint</c>flag <em>is</em> set. + <c>pointtopoint</c> flag <em>is</em> set. </item> <item> Any <c>{netmask,_}</c>, <c>{broadaddr,_}</c> or @@ -277,11 +242,12 @@ fe80::204:acff:fe17:bf38 </p> <p> On Windows, the data is fetched from quite different OS API - functions, so the <c>Netmask</c> and <c>Broadaddr</c> - values may be calculated, just as some <c>Flag</c> values. + functions, so the <c><anno>Netmask</anno></c> and <c><anno>Broadaddr</anno></c> + values may be calculated, just as some <c><anno>Flag</anno></c> values. You have been warned. Report flagrant bugs. </p> </desc> + </func> <func> <name>getopts(Socket, Options) -> {ok, OptionValues} | {error, posix()}</name> @@ -291,13 +257,14 @@ fe80::204:acff:fe17:bf38 <v>Options = [Opt | RawOptReq]</v> <v>Opt = atom()</v> <v>RawOptReq = {raw, Protocol, OptionNum, ValueSpec}</v> - <v>Protocol = int()</v> - <v>OptionNum = int()</v> + <v>Protocol = integer()</v> + <v>OptionNum = integer()</v> <v>ValueSpec = ValueSize | ValueBin</v> - <v>ValueSize = int()</v> + <v>ValueSize = integer()</v> <v>ValueBin = binary()</v> <v>OptionValues = [{Opt, Val} | {raw, Protocol, OptionNum, ValueBin}]</v> </type> + <type name="socket_getopt"/> <desc> <p>Gets one or more options for a socket. See <seealso marker="#setopts/2">setopts/2</seealso> @@ -419,13 +386,8 @@ fe80::204:acff:fe17:bf38 </func> <func> - <name>peername(Socket) -> {ok, {Address, Port}} | {error, posix()}</name> + <name name="peername" arity="1"/> <fsummary>Return the address and port for the other end of a connection</fsummary> - <type> - <v>Socket = socket()</v> - <v>Address = ip_address()</v> - <v>Port = int()</v> - </type> <desc> <p>Returns the address and port for the other end of a connection.</p> @@ -436,20 +398,15 @@ fe80::204:acff:fe17:bf38 <fsummary>Return the local port number for a socket</fsummary> <type> <v>Socket = socket()</v> - <v>Port = int()</v> + <v>Port = integer()</v> </type> <desc> <p>Returns the local port number for a socket.</p> </desc> </func> <func> - <name>sockname(Socket) -> {ok, {Address, Port}} | {error, posix()}</name> + <name name="sockname" arity="1"/> <fsummary>Return the local address and port number for a socket</fsummary> - <type> - <v>Socket = socket()</v> - <v>Address = ip_address()</v> - <v>Port = int()</v> - </type> <desc> <p>Returns the local address and port number for a socket.</p> </desc> @@ -460,8 +417,8 @@ fe80::204:acff:fe17:bf38 <type> <v>Socket = term()</v> <v>Options = [{Opt, Val} | {raw, Protocol, Option, ValueBin}]</v> - <v>Protocol = int()</v> - <v>OptionNum = int()</v> + <v>Protocol = integer()</v> + <v>OptionNum = integer()</v> <v>ValueBin = binary()</v> <v> Opt, Val -- see below</v> </type> |