diff options
Diffstat (limited to 'lib/inets/src/http_lib')
| -rw-r--r-- | lib/inets/src/http_lib/http_transport.erl | 69 |
1 files changed, 40 insertions, 29 deletions
diff --git a/lib/inets/src/http_lib/http_transport.erl b/lib/inets/src/http_lib/http_transport.erl index 0024d19fc1..173911b868 100644 --- a/lib/inets/src/http_lib/http_transport.erl +++ b/lib/inets/src/http_lib/http_transport.erl @@ -23,7 +23,7 @@ -export([ start/1, connect/3, connect/4, - listen/2, listen/3, + listen/2, listen/3, listen/4, accept/2, accept/3, close/2, send/3, @@ -136,10 +136,11 @@ connect({essl, SslConfig}, {Host, Port}, _, Timeout) -> %%------------------------------------------------------------------------- -%% listen(SocketType, Port) -> {ok, Socket} | {error, Reason} +%% listen(SocketType, Addr, Port, Fd) -> {ok, Socket} | {error, Reason} %% SocketType = ip_comm | {ssl, SSLConfig} %% Port = integer() -%% Socket = socket() +%% Socket = socket() +%% Fd = undefined | fd() %% %% Description: Sets up socket to listen on the port Port on the local %% host using either gen_tcp or ssl. In the gen_tcp case the port @@ -151,13 +152,8 @@ connect({essl, SslConfig}, {Host, Port}, _, Timeout) -> listen(SocketType, Port) -> listen(SocketType, undefined, Port). -listen(ip_comm, Addr, Port) -> - case (catch listen_ip_comm(Addr, Port)) of - {'EXIT', Reason} -> - {error, {exit, Reason}}; - Else -> - Else - end; +listen(ip_comm = SocketType, Addr, Port) -> + listen(SocketType, Addr, Port, undefined); %% Wrapper for backaward compatibillity listen({ssl, SSLConfig}, Addr, Port) -> @@ -186,9 +182,17 @@ listen({essl, SSLConfig} = Ssl, Addr, Port) -> Opt2 = [{ssl_imp, new}, {reuseaddr, true} | Opt], ssl:listen(Port, Opt2). +listen(ip_comm, Addr, Port, Fd) -> + case (catch listen_ip_comm(Addr, Port, Fd)) of + {'EXIT', Reason} -> + {error, {exit, Reason}}; + Else -> + Else + end. + -listen_ip_comm(Addr, Port) -> - {NewPort, Opts, IpFamily} = get_socket_info(Addr, Port), +listen_ip_comm(Addr, Port, Fd) -> + {NewPort, Opts, IpFamily} = get_socket_info(Addr, Port, Fd), case IpFamily of inet6fb4 -> Opts2 = [inet6 | Opts], @@ -223,29 +227,36 @@ listen_ip_comm(Addr, Port) -> ipfamily_default(Addr, Port) -> httpd_conf:lookup(Addr, Port, ipfamily, inet6fb4). -get_socket_info(Addr, Port) -> - Key = list_to_atom("httpd_" ++ integer_to_list(Port)), - BaseOpts = [{backlog, 128}, {reuseaddr, true}], +get_socket_info(Addr, Port, Fd0) -> + BaseOpts = [{backlog, 128}, {reuseaddr, true}], IpFamilyDefault = ipfamily_default(Addr, Port), - case init:get_argument(Key) of - {ok, [[Value]]} -> - {Fd, IpFamily} = - case string:tokens(Value, [$|]) of - [FdStr, IpFamilyStr] -> - Fd0 = fd_of(FdStr), - IpFamily0 = ip_family_of(IpFamilyStr), - {Fd0, IpFamily0}; - [FdStr] -> - {fd_of(FdStr), IpFamilyDefault}; - _ -> - throw({error, {bad_descriptor, Value}}) - end, + %% The presence of a file descriptor takes precedence + case get_fd(Port, Fd0, IpFamilyDefault) of + {Fd, IpFamily} -> {0, sock_opt(ip_comm, Addr, [{fd, Fd} | BaseOpts]), IpFamily}; - error -> + undefined -> {Port, sock_opt(ip_comm, Addr, BaseOpts), IpFamilyDefault} end. +get_fd(Port, undefined = _Fd, IpFamilyDefault) -> + FdKey = list_to_atom("httpd_" ++ integer_to_list(Port)), + case init:get_argument(FdKey) of + {ok, [[Value]]} -> + case string:tokens(Value, [$|]) of + [FdStr, IpFamilyStr] -> + {fd_of(FdStr), ip_family_of(IpFamilyStr)}; + [FdStr] -> + {fd_of(FdStr), IpFamilyDefault}; + _ -> + throw({error, {bad_descriptor, Value}}) + end; + error -> + undefined + end; +get_fd(_Port, Fd, IpFamilyDefault) -> + {Fd, IpFamilyDefault}. + fd_of(FdStr) -> case (catch list_to_integer(FdStr)) of Fd when is_integer(Fd) -> |