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authorPéter Dimitrov <[email protected]>2018-03-21 16:48:13 +0100
committerPéter Dimitrov <[email protected]>2018-03-28 10:19:38 +0200
commit3c41882115f2cd9bfda8318925b4352cd1ec06b7 (patch)
treeb661f3c3b9f46cf5bc96bf6e52ef09d255de7aab /lib/ftp/src/ftp.erl
parent5ef27ea752ce5d8efa924713d6315b03129cee64 (diff)
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ftp: Fix dialyzer warnings
Change-Id: I695066755f8394619d5f231a1060e467f2c82edf
Diffstat (limited to 'lib/ftp/src/ftp.erl')
-rw-r--r--lib/ftp/src/ftp.erl96
1 files changed, 46 insertions, 50 deletions
diff --git a/lib/ftp/src/ftp.erl b/lib/ftp/src/ftp.erl
index 7b2bbfc164..8790bfec13 100644
--- a/lib/ftp/src/ftp.erl
+++ b/lib/ftp/src/ftp.erl
@@ -1078,7 +1078,7 @@ handle_call({_, {open, ip_comm, Host, Opts}}, From, State) ->
end;
handle_call({_, {open, tls_upgrade, TLSOptions}}, From, State) ->
- send_ctrl_message(State, mk_cmd("AUTH TLS", [])),
+ _ = send_ctrl_message(State, mk_cmd("AUTH TLS", [])),
activate_ctrl_connection(State),
{noreply, State#state{client = From, caller = open, tls_options = TLSOptions}};
@@ -1094,7 +1094,7 @@ handle_call({_, {account, Acc}}, From, State)->
handle_user_account(Acc, State#state{client = From});
handle_call({_, pwd}, From, #state{chunk = false} = State) ->
- send_ctrl_message(State, mk_cmd("PWD", [])),
+ _ = send_ctrl_message(State, mk_cmd("PWD", [])),
activate_ctrl_connection(State),
{noreply, State#state{client = From, caller = pwd}};
@@ -1102,7 +1102,7 @@ handle_call({_, lpwd}, From, #state{ldir = LDir} = State) ->
{reply, {ok, LDir}, State#state{client = From}};
handle_call({_, {cd, Dir}}, From, #state{chunk = false} = State) ->
- send_ctrl_message(State, mk_cmd("CWD ~s", [Dir])),
+ _ = send_ctrl_message(State, mk_cmd("CWD ~s", [Dir])),
activate_ctrl_connection(State),
{noreply, State#state{client = From, caller = cd}};
@@ -1121,35 +1121,35 @@ handle_call({_, {dir, Len, Dir}}, {_Pid, _} = From,
client = From});
handle_call({_, {rename, CurrFile, NewFile}}, From,
#state{chunk = false} = State) ->
- send_ctrl_message(State, mk_cmd("RNFR ~s", [CurrFile])),
+ _ = send_ctrl_message(State, mk_cmd("RNFR ~s", [CurrFile])),
activate_ctrl_connection(State),
{noreply, State#state{caller = {rename, NewFile}, client = From}};
handle_call({_, {delete, File}}, {_Pid, _} = From,
#state{chunk = false} = State) ->
- send_ctrl_message(State, mk_cmd("DELE ~s", [File])),
+ _ = send_ctrl_message(State, mk_cmd("DELE ~s", [File])),
activate_ctrl_connection(State),
{noreply, State#state{client = From}};
handle_call({_, {mkdir, Dir}}, From, #state{chunk = false} = State) ->
- send_ctrl_message(State, mk_cmd("MKD ~s", [Dir])),
+ _ = send_ctrl_message(State, mk_cmd("MKD ~s", [Dir])),
activate_ctrl_connection(State),
{noreply, State#state{client = From}};
handle_call({_,{rmdir, Dir}}, From, #state{chunk = false} = State) ->
- send_ctrl_message(State, mk_cmd("RMD ~s", [Dir])),
+ _ = send_ctrl_message(State, mk_cmd("RMD ~s", [Dir])),
activate_ctrl_connection(State),
{noreply, State#state{client = From}};
handle_call({_,{type, Type}}, From, #state{chunk = false} = State) ->
case Type of
ascii ->
- send_ctrl_message(State, mk_cmd("TYPE A", [])),
+ _ = send_ctrl_message(State, mk_cmd("TYPE A", [])),
activate_ctrl_connection(State),
{noreply, State#state{caller = type, type = ascii,
client = From}};
binary ->
- send_ctrl_message(State, mk_cmd("TYPE I", [])),
+ _ = send_ctrl_message(State, mk_cmd("TYPE I", [])),
activate_ctrl_connection(State),
{noreply, State#state{caller = type, type = binary,
client = From}};
@@ -1260,7 +1260,7 @@ handle_call({_, chunk_end}, _, #state{chunk = false} = State) ->
{reply, {error, echunk}, State};
handle_call({_, {quote, Cmd}}, From, #state{chunk = false} = State) ->
- send_ctrl_message(State, mk_cmd(Cmd, [])),
+ _ = send_ctrl_message(State, mk_cmd(Cmd, [])),
activate_ctrl_connection(State),
{noreply, State#state{client = From, caller = quote}};
@@ -1284,7 +1284,7 @@ handle_call(Request, _Timeout, State) ->
%% Description: Handles cast messages.
%%-------------------------------------------------------------------------
handle_cast({Pid, close}, #state{owner = Pid} = State) ->
- send_ctrl_message(State, mk_cmd("QUIT", [])),
+ _ = send_ctrl_message(State, mk_cmd("QUIT", [])),
close_ctrl_connection(State),
close_data_connection(State),
{stop, normal, State#state{csock = undefined, dsock = undefined}};
@@ -1580,17 +1580,17 @@ start_link(Opts, GenServerOptions) ->
%%--------------------------------------------------------------------------
%% User handling
handle_user(User, Password, Acc, State) ->
- send_ctrl_message(State, mk_cmd("USER ~s", [User])),
+ _ = send_ctrl_message(State, mk_cmd("USER ~s", [User])),
activate_ctrl_connection(State),
{noreply, State#state{caller = {handle_user, Password, Acc}}}.
handle_user_passwd(Password, Acc, State) ->
- send_ctrl_message(State, mk_cmd("PASS ~s", [Password])),
+ _ = send_ctrl_message(State, mk_cmd("PASS ~s", [Password])),
activate_ctrl_connection(State),
{noreply, State#state{caller = {handle_user_passwd, Acc}}}.
handle_user_account(Acc, State) ->
- send_ctrl_message(State, mk_cmd("ACCT ~s", [Acc])),
+ _ = send_ctrl_message(State, mk_cmd("ACCT ~s", [Acc])),
activate_ctrl_connection(State),
{noreply, State#state{caller = handle_user_account}}.
@@ -1607,7 +1607,7 @@ handle_ctrl_result({tls_upgrade, _}, #state{csock = {tcp, Socket},
case ssl:connect(Socket, TLSOptions, Timeout) of
{ok, TLSSocket} ->
State = State0#state{csock = {ssl,TLSSocket}},
- send_ctrl_message(State, mk_cmd("PBSZ 0", [])),
+ _ = send_ctrl_message(State, mk_cmd("PBSZ 0", [])),
activate_ctrl_connection(State),
{noreply, State#state{tls_upgrading_data_connection = {true, pbsz}} };
{error, _} = Error ->
@@ -1618,7 +1618,7 @@ handle_ctrl_result({tls_upgrade, _}, #state{csock = {tcp, Socket},
end;
handle_ctrl_result({pos_compl, _}, #state{tls_upgrading_data_connection = {true, pbsz}} = State) ->
- send_ctrl_message(State, mk_cmd("PROT P", [])),
+ _ = send_ctrl_message(State, mk_cmd("PROT P", [])),
activate_ctrl_connection(State),
{noreply, State#state{tls_upgrading_data_connection = {true, prot}}};
@@ -1812,7 +1812,7 @@ handle_ctrl_result({pos_compl, Lines},
#state{caller = {handle_dir_data, Dir, DirData}} =
State) ->
OldDir = pwd_result(Lines),
- send_ctrl_message(State, mk_cmd("CWD ~s", [Dir])),
+ _ = send_ctrl_message(State, mk_cmd("CWD ~s", [Dir])),
activate_ctrl_connection(State),
{noreply, State#state{caller = {handle_dir_data_second_phase, OldDir,
DirData}}};
@@ -1828,7 +1828,7 @@ handle_ctrl_result(S={_Status, _},
handle_ctrl_result({pos_compl, _},
#state{caller = {handle_dir_data_second_phase, OldDir,
DirData}} = State) ->
- send_ctrl_message(State, mk_cmd("CWD ~s", [OldDir])),
+ _ = send_ctrl_message(State, mk_cmd("CWD ~s", [OldDir])),
activate_ctrl_connection(State),
{noreply, State#state{caller = {handle_dir_data_third_phase, DirData}}};
handle_ctrl_result({Status, _},
@@ -1850,7 +1850,7 @@ handle_ctrl_result(Status={epath, _}, #state{caller = {dir,_}} = State) ->
%% File renaming
handle_ctrl_result({pos_interm, _}, #state{caller = {rename, NewFile}}
= State) ->
- send_ctrl_message(State, mk_cmd("RNTO ~s", [NewFile])),
+ _ = send_ctrl_message(State, mk_cmd("RNTO ~s", [NewFile])),
activate_ctrl_connection(State),
{noreply, State#state{caller = rename_second_phase}};
@@ -2027,28 +2027,28 @@ handle_caller(#state{caller = {dir, Dir, Len}} = State) ->
short -> "NLST";
long -> "LIST"
end,
- case Dir of
- "" ->
- send_ctrl_message(State, mk_cmd(Cmd, ""));
- _ ->
- send_ctrl_message(State, mk_cmd(Cmd ++ " ~s", [Dir]))
- end,
+ _ = case Dir of
+ "" ->
+ send_ctrl_message(State, mk_cmd(Cmd, ""));
+ _ ->
+ send_ctrl_message(State, mk_cmd(Cmd ++ " ~s", [Dir]))
+ end,
activate_ctrl_connection(State),
{noreply, State#state{caller = {dir, Dir}}};
handle_caller(#state{caller = {recv_bin, RemoteFile}} = State) ->
- send_ctrl_message(State, mk_cmd("RETR ~s", [RemoteFile])),
+ _ = send_ctrl_message(State, mk_cmd("RETR ~s", [RemoteFile])),
activate_ctrl_connection(State),
{noreply, State#state{caller = recv_bin}};
handle_caller(#state{caller = {start_chunk_transfer, Cmd, RemoteFile}} =
State) ->
- send_ctrl_message(State, mk_cmd("~s ~s", [Cmd, RemoteFile])),
+ _ = send_ctrl_message(State, mk_cmd("~s ~s", [Cmd, RemoteFile])),
activate_ctrl_connection(State),
{noreply, State#state{caller = start_chunk_transfer}};
handle_caller(#state{caller = {recv_file, RemoteFile, Fd}} = State) ->
- send_ctrl_message(State, mk_cmd("RETR ~s", [RemoteFile])),
+ _ = send_ctrl_message(State, mk_cmd("RETR ~s", [RemoteFile])),
activate_ctrl_connection(State),
{noreply, State#state{caller = {recv_file, Fd}}};
@@ -2056,7 +2056,7 @@ handle_caller(#state{caller = {transfer_file, {Cmd, LocalFile, RemoteFile}},
ldir = LocalDir, client = From} = State) ->
case file_open(filename:absname(LocalFile, LocalDir), read) of
{ok, Fd} ->
- send_ctrl_message(State, mk_cmd("~s ~s", [Cmd, RemoteFile])),
+ _ = send_ctrl_message(State, mk_cmd("~s ~s", [Cmd, RemoteFile])),
activate_ctrl_connection(State),
{noreply, State#state{caller = {transfer_file, Fd}}};
{error, _} ->
@@ -2067,7 +2067,7 @@ handle_caller(#state{caller = {transfer_file, {Cmd, LocalFile, RemoteFile}},
handle_caller(#state{caller = {transfer_data, {Cmd, Bin, RemoteFile}}} =
State) ->
- send_ctrl_message(State, mk_cmd("~s ~s", [Cmd, RemoteFile])),
+ _ = send_ctrl_message(State, mk_cmd("~s ~s", [Cmd, RemoteFile])),
activate_ctrl_connection(State),
{noreply, State#state{caller = {transfer_data, Bin}}}.
@@ -2104,7 +2104,7 @@ setup_data_connection(#state{mode = active,
{ok, {_, Port}} = sockname({tcp,LSock}),
IpAddress = inet_parse:ntoa(IP),
Cmd = mk_cmd("EPRT |2|~s|~p|", [IpAddress, Port]),
- send_ctrl_message(State, Cmd),
+ _ = send_ctrl_message(State, Cmd),
activate_ctrl_connection(State),
{noreply, State#state{caller = {setup_data_connection,
{LSock, Caller}}}};
@@ -2112,18 +2112,18 @@ setup_data_connection(#state{mode = active,
{ok, LSock} = gen_tcp:listen(0, [{ip, IP}, {active, false},
binary, {packet, 0}]),
{ok, Port} = inet:port(LSock),
- case FtpExt of
- false ->
- {IP1, IP2, IP3, IP4} = IP,
- {Port1, Port2} = {Port div 256, Port rem 256},
- send_ctrl_message(State,
- mk_cmd("PORT ~w,~w,~w,~w,~w,~w",
- [IP1, IP2, IP3, IP4, Port1, Port2]));
- true ->
- IpAddress = inet_parse:ntoa(IP),
- Cmd = mk_cmd("EPRT |1|~s|~p|", [IpAddress, Port]),
- send_ctrl_message(State, Cmd)
- end,
+ _ = case FtpExt of
+ false ->
+ {IP1, IP2, IP3, IP4} = IP,
+ {Port1, Port2} = {Port div 256, Port rem 256},
+ send_ctrl_message(State,
+ mk_cmd("PORT ~w,~w,~w,~w,~w,~w",
+ [IP1, IP2, IP3, IP4, Port1, Port2]));
+ true ->
+ IpAddress = inet_parse:ntoa(IP),
+ Cmd = mk_cmd("EPRT |1|~s|~p|", [IpAddress, Port]),
+ send_ctrl_message(State, Cmd)
+ end,
activate_ctrl_connection(State),
{noreply, State#state{caller = {setup_data_connection,
{LSock, Caller}}}}
@@ -2131,21 +2131,21 @@ setup_data_connection(#state{mode = active,
setup_data_connection(#state{mode = passive, ipfamily = inet6,
caller = Caller} = State) ->
- send_ctrl_message(State, mk_cmd("EPSV", [])),
+ _ = send_ctrl_message(State, mk_cmd("EPSV", [])),
activate_ctrl_connection(State),
{noreply, State#state{caller = {setup_data_connection, Caller}}};
setup_data_connection(#state{mode = passive, ipfamily = inet,
caller = Caller,
ftp_extension = false} = State) ->
- send_ctrl_message(State, mk_cmd("PASV", [])),
+ _ = send_ctrl_message(State, mk_cmd("PASV", [])),
activate_ctrl_connection(State),
{noreply, State#state{caller = {setup_data_connection, Caller}}};
setup_data_connection(#state{mode = passive, ipfamily = inet,
caller = Caller,
ftp_extension = true} = State) ->
- send_ctrl_message(State, mk_cmd("EPSV", [])),
+ _ = send_ctrl_message(State, mk_cmd("EPSV", [])),
activate_ctrl_connection(State),
{noreply, State#state{caller = {setup_data_connection, Caller}}}.
@@ -2589,10 +2589,6 @@ validate_options([_|Options], ValidOptions, Acc) ->
validate_options(Options, ValidOptions, Acc).
%% Help function, elapsed milliseconds since T0
-millisec_passed({_,_,_} = T0 ) ->
- %% OTP 17 and earlier
- timer:now_diff(erlang:timestamp(), T0) div 1000;
-
millisec_passed(T0) ->
%% OTP 18
erlang:convert_time_unit(erlang:monotonic_time() - T0,