diff options
Diffstat (limited to 'lib/ssh/doc/src/ssh_sftp.xml')
-rw-r--r-- | lib/ssh/doc/src/ssh_sftp.xml | 140 |
1 files changed, 77 insertions, 63 deletions
diff --git a/lib/ssh/doc/src/ssh_sftp.xml b/lib/ssh/doc/src/ssh_sftp.xml index eb6f43d417..c89092798d 100644 --- a/lib/ssh/doc/src/ssh_sftp.xml +++ b/lib/ssh/doc/src/ssh_sftp.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>2005</year><year>2016</year> + <year>2005</year><year>2018</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -29,7 +29,7 @@ <rev></rev> <file>ssh_sftp.sgml</file> </header> - <module>ssh_sftp</module> + <module since="">ssh_sftp</module> <modulesummary>SFTP client.</modulesummary> <description> <p>This module implements an SSH FTP (SFTP) client. SFTP is a @@ -46,9 +46,9 @@ <taglist> <tag><c>reason()</c></tag> <item> - <p>= <c>atom()</c> A description of the reason why an operation failed.</p> + <p>= <c>atom() | string() | tuple() </c>A description of the reason why an operation failed.</p> <p> - The value is formed from the sftp error codes in the protocol-level responses as defined in + The <c>atom()</c> value is formed from the sftp error codes in the protocol-level responses as defined in <url href="https://tools.ietf.org/id/draft-ietf-secsh-filexfer-13.txt">draft-ietf-secsh-filexfer-13.txt</url> section 9.1. </p> @@ -57,9 +57,13 @@ E.g. the error code <c>SSH_FX_NO_SUCH_FILE</c> will cause the <c>reason()</c> to be <c>no_such_file</c>. </p> + <p>The <c>string()</c> reason is the error information from the server in case of an exit-signal. If that information is empty, the reason is the exit signal name. + </p> + <p>The <c>tuple()</c> reason are other errors like the <c>{exit_status,integer()}</c> if the exit status is not 0. + </p> </item> - <tag><c>ssh_connection_ref() =</c></tag> + <tag><c>connection_ref() =</c></tag> <item><p><c>opaque()</c> - as returned by <seealso marker="ssh#connect-3"><c>ssh:connect/3</c></seealso></p></item> @@ -78,7 +82,7 @@ <funcs> <func> - <name>apread(ChannelPid, Handle, Position, Len) -> {async, N} | {error, reason()}</name> + <name since="">apread(ChannelPid, Handle, Position, Len) -> {async, N} | {error, reason()}</name> <fsummary>Reads asynchronously from an open file.</fsummary> <type> <v>ChannelPid = pid()</v> @@ -94,7 +98,7 @@ </func> <func> - <name>apwrite(ChannelPid, Handle, Position, Data) -> {async, N} | {error, reason()}</name> + <name since="">apwrite(ChannelPid, Handle, Position, Data) -> {async, N} | {error, reason()}</name> <fsummary>Writes asynchronously to an open file.</fsummary> <type> <v>ChannelPid = pid()</v> @@ -112,7 +116,7 @@ </func> <func> - <name>aread(ChannelPid, Handle, Len) -> {async, N} | {error, reason()}</name> + <name since="">aread(ChannelPid, Handle, Len) -> {async, N} | {error, reason()}</name> <fsummary>Reads asynchronously from an open file.</fsummary> <type> <v>ChannelPid = pid()</v> @@ -133,7 +137,7 @@ </func> <func> - <name>awrite(ChannelPid, Handle, Data) -> {async, N} | {error, reason()}</name> + <name since="">awrite(ChannelPid, Handle, Data) -> {async, N} | {error, reason()}</name> <fsummary>Writes asynchronously to an open file.</fsummary> <type> <v>ChannelPid = pid()</v> @@ -155,8 +159,8 @@ </func> <func> - <name>close(ChannelPid, Handle) -></name> - <name>close(ChannelPid, Handle, Timeout) -> ok | {error, reason()}</name> + <name since="">close(ChannelPid, Handle) -></name> + <name since="">close(ChannelPid, Handle, Timeout) -> ok | {error, reason()}</name> <fsummary>Closes an open handle.</fsummary> <type> <v>ChannelPid = pid()</v> @@ -169,8 +173,8 @@ </func> <func> - <name>delete(ChannelPid, Name) -></name> - <name>delete(ChannelPid, Name, Timeout) -> ok | {error, reason()}</name> + <name since="">delete(ChannelPid, Name) -></name> + <name since="">delete(ChannelPid, Name, Timeout) -> ok | {error, reason()}</name> <fsummary>Deletes a file.</fsummary> <type> <v>ChannelPid = pid()</v> @@ -184,8 +188,8 @@ </func> <func> - <name>del_dir(ChannelPid, Name) -></name> - <name>del_dir(ChannelPid, Name, Timeout) -> ok | {error, reason()}</name> + <name since="">del_dir(ChannelPid, Name) -></name> + <name since="">del_dir(ChannelPid, Name, Timeout) -> ok | {error, reason()}</name> <fsummary>Deletes an empty directory.</fsummary> <type> <v>ChannelPid = pid()</v> @@ -200,8 +204,8 @@ </func> <func> - <name>list_dir(ChannelPid, Path) -></name> - <name>list_dir(ChannelPid, Path, Timeout) -> {ok, Filenames} | {error, reason()}</name> + <name since="">list_dir(ChannelPid, Path) -></name> + <name since="">list_dir(ChannelPid, Path, Timeout) -> {ok, Filenames} | {error, reason()}</name> <fsummary>Lists the directory.</fsummary> <type> <v>ChannelPid = pid()</v> @@ -217,8 +221,8 @@ </func> <func> - <name>make_dir(ChannelPid, Name) -></name> - <name>make_dir(ChannelPid, Name, Timeout) -> ok | {error, reason()}</name> + <name since="">make_dir(ChannelPid, Name) -></name> + <name since="">make_dir(ChannelPid, Name, Timeout) -> ok | {error, reason()}</name> <fsummary>Creates a directory.</fsummary> <type> <v>ChannelPid = pid()</v> @@ -233,8 +237,8 @@ </func> <func> - <name>make_symlink(ChannelPid, Name, Target) -></name> - <name>make_symlink(ChannelPid, Name, Target, Timeout) -> ok | {error, reason()}</name> + <name since="">make_symlink(ChannelPid, Name, Target) -></name> + <name since="">make_symlink(ChannelPid, Name, Target, Timeout) -> ok | {error, reason()}</name> <fsummary>Creates a symbolic link.</fsummary> <type> <v>ChannelPid = pid()</v> @@ -249,8 +253,8 @@ </func> <func> - <name>open(ChannelPid, File, Mode) -></name> - <name>open(ChannelPid, File, Mode, Timeout) -> {ok, Handle} | {error, reason()}</name> + <name since="">open(ChannelPid, File, Mode) -></name> + <name since="">open(ChannelPid, File, Mode, Timeout) -> {ok, Handle} | {error, reason()}</name> <fsummary>Opens a file and returns a handle.</fsummary> <type> <v>ChannelPid = pid()</v> @@ -266,8 +270,8 @@ </desc> </func> <func> - <name>opendir(ChannelPid, Path) -></name> - <name>opendir(ChannelPid, Path, Timeout) -> {ok, Handle} | {error, reason()}</name> + <name since="">opendir(ChannelPid, Path) -></name> + <name since="">opendir(ChannelPid, Path, Timeout) -> {ok, Handle} | {error, reason()}</name> <fsummary>Opens a directory and returns a handle.</fsummary> <type> <v>ChannelPid = pid()</v> @@ -281,8 +285,8 @@ </func> <func> - <name>open_tar(ChannelPid, Path, Mode) -></name> - <name>open_tar(ChannelPid, Path, Mode, Timeout) -> {ok, Handle} | {error, reason()}</name> + <name since="OTP 17.4">open_tar(ChannelPid, Path, Mode) -></name> + <name since="OTP 17.4">open_tar(ChannelPid, Path, Mode, Timeout) -> {ok, Handle} | {error, reason()}</name> <fsummary>Opens a tar file on the server to which <c>ChannelPid</c> is connected and returns a handle.</fsummary> <type> @@ -335,8 +339,8 @@ </func> <func> - <name>position(ChannelPid, Handle, Location) -></name> - <name>position(ChannelPid, Handle, Location, Timeout) -> {ok, NewPosition | {error, reason()}</name> + <name since="">position(ChannelPid, Handle, Location) -></name> + <name since="">position(ChannelPid, Handle, Location, Timeout) -> {ok, NewPosition | {error, reason()}</name> <fsummary>Sets the file position of a file.</fsummary> <type> <v>ChannelPid = pid()</v> @@ -380,8 +384,8 @@ </func> <func> - <name>pread(ChannelPid, Handle, Position, Len) -></name> - <name>pread(ChannelPid, Handle, Position, Len, Timeout) -> {ok, Data} | eof | {error, reason()}</name> + <name since="">pread(ChannelPid, Handle, Position, Len) -></name> + <name since="">pread(ChannelPid, Handle, Position, Len, Timeout) -> {ok, Data} | eof | {error, reason()}</name> <fsummary>Reads from an open file.</fsummary> <type> <v>ChannelPid = pid()</v> @@ -398,8 +402,8 @@ </func> <func> - <name>pwrite(ChannelPid, Handle, Position, Data) -> ok</name> - <name>pwrite(ChannelPid, Handle, Position, Data, Timeout) -> ok | {error, reason()}</name> + <name since="">pwrite(ChannelPid, Handle, Position, Data) -> ok</name> + <name since="">pwrite(ChannelPid, Handle, Position, Data, Timeout) -> ok | {error, reason()}</name> <fsummary>Writes to an open file.</fsummary> <type> <v>ChannelPid = pid()</v> @@ -415,13 +419,12 @@ </func> <func> - <name>read(ChannelPid, Handle, Len) -></name> - <name>read(ChannelPid, Handle, Len, Timeout) -> {ok, Data} | eof | {error, reason()}</name> + <name since="">read(ChannelPid, Handle, Len) -></name> + <name since="">read(ChannelPid, Handle, Len, Timeout) -> {ok, Data} | eof | {error, reason()}</name> <fsummary>Reads from an open file.</fsummary> <type> <v>ChannelPid = pid()</v> <v>Handle = term()</v> - <v>Position = integer()</v> <v>Len = integer()</v> <v>Timeout = timeout()</v> <v>Data = string() | binary()</v> @@ -438,8 +441,8 @@ </func> <func> - <name>read_file(ChannelPid, File) -></name> - <name>read_file(ChannelPid, File, Timeout) -> {ok, Data} | {error, reason()}</name> + <name since="">read_file(ChannelPid, File) -></name> + <name since="">read_file(ChannelPid, File, Timeout) -> {ok, Data} | {error, reason()}</name> <fsummary>Reads a file.</fsummary> <type> <v>ChannelPid = pid()</v> @@ -453,8 +456,8 @@ </func> <func> - <name>read_file_info(ChannelPid, Name) -></name> - <name>read_file_info(ChannelPid, Name, Timeout) -> {ok, FileInfo} | {error, reason()}</name> + <name since="">read_file_info(ChannelPid, Name) -></name> + <name since="">read_file_info(ChannelPid, Name, Timeout) -> {ok, FileInfo} | {error, reason()}</name> <fsummary>Gets information about a file.</fsummary> <type> <v>ChannelPid = pid()</v> @@ -464,17 +467,22 @@ <v>FileInfo = record()</v> </type> <desc> - <p>Returns a <c><![CDATA[file_info]]></c> record from the file specified by + <p>Returns a <c><![CDATA[file_info]]></c> record from the file system object specified by <c><![CDATA[Name]]></c> or <c><![CDATA[Handle]]></c>. See <seealso marker="kernel:file#read_file_info-2">file:read_file_info/2</seealso> for information about the record. </p> + <p> + Depending on the underlying OS:es links might be followed and info on the final file, directory + etc is returned. See <seealso marker="#read_link_info-2">ssh_sftp::read_link_info/2</seealso> + on how to get information on links instead. + </p> </desc> </func> <func> - <name>read_link(ChannelPid, Name) -></name> - <name>read_link(ChannelPid, Name, Timeout) -> {ok, Target} | {error, reason()}</name> + <name since="">read_link(ChannelPid, Name) -></name> + <name since="">read_link(ChannelPid, Name, Timeout) -> {ok, Target} | {error, reason()}</name> <fsummary>Reads symbolic link.</fsummary> <type> <v>ChannelPid = pid()</v> @@ -488,8 +496,8 @@ </func> <func> - <name>read_link_info(ChannelPid, Name) -> {ok, FileInfo} | {error, reason()}</name> - <name>read_link_info(ChannelPid, Name, Timeout) -> {ok, FileInfo} | {error, reason()}</name> + <name since="">read_link_info(ChannelPid, Name) -> {ok, FileInfo} | {error, reason()}</name> + <name since="">read_link_info(ChannelPid, Name, Timeout) -> {ok, FileInfo} | {error, reason()}</name> <fsummary>Gets information about a symbolic link.</fsummary> <type> <v>ChannelPid = pid()</v> @@ -509,8 +517,8 @@ </func> <func> - <name>rename(ChannelPid, OldName, NewName) -> </name> - <name>rename(ChannelPid, OldName, NewName, Timeout) -> ok | {error, reason()}</name> + <name since="">rename(ChannelPid, OldName, NewName) -> </name> + <name since="">rename(ChannelPid, OldName, NewName, Timeout) -> ok | {error, reason()}</name> <fsummary>Renames a file.</fsummary> <type> <v>ChannelPid = pid()</v> @@ -526,22 +534,22 @@ </func> <func> - <name>start_channel(ConnectionRef) -></name> - <name>start_channel(ConnectionRef, Options) -> + <name since="">start_channel(ConnectionRef) -></name> + <name since="">start_channel(ConnectionRef, Options) -> {ok, Pid} | {error, reason()|term()}</name> - <name>start_channel(Host, Options) -></name> - <name>start_channel(Host, Port, Options) -> + <name since="">start_channel(Host, Options) -></name> + <name since="">start_channel(Host, Port, Options) -> {ok, Pid, ConnectionRef} | {error, reason()|term()}</name> - <name>start_channel(TcpSocket) -></name> - <name>start_channel(TcpSocket, Options) -> + <name since="">start_channel(TcpSocket) -></name> + <name since="">start_channel(TcpSocket, Options) -> {ok, Pid, ConnectionRef} | {error, reason()|term()}</name> <fsummary>Starts an SFTP client.</fsummary> <type> <v>Host = string()</v> - <v>ConnectionRef = ssh_connection_ref()</v> + <v>ConnectionRef = connection_ref()</v> <v>Port = integer()</v> <v>TcpSocket = port()</v> <d>The socket is supposed to be from <seealso marker="kernel:gen_tcp#connect-3">gen_tcp:connect</seealso> or <seealso marker="kernel:gen_tcp#accept-1">gen_tcp:accept</seealso> with option <c>{active,false}</c></d> @@ -558,8 +566,14 @@ <taglist> <tag><c><![CDATA[{timeout, timeout()}]]></c></tag> <item> - <p>The time-out is passed to the <c>ssh_channel</c> start function, - and defaults to <c>infinity</c>.</p> + <p>There are two ways to set a timeout for the underlying ssh connection:</p> + <list> + <item>If the connection timeout option <c>connect_timeout</c> is set, that value + is used also for the negotiation timeout and this option (<c>timeout</c>) is ignored.</item> + <item>Otherwise, this option (<c>timeout</c>) is used as the negotiation timeout + only and there is no connection timeout set</item> + </list> + <p>The value defaults to <c>infinity</c>.</p> </item> <tag> <c><![CDATA[{sftp_vsn, integer()}]]></c> @@ -580,7 +594,7 @@ </func> <func> - <name>stop_channel(ChannelPid) -> ok</name> + <name since="">stop_channel(ChannelPid) -> ok</name> <fsummary>Stops the SFTP client channel.</fsummary> <type> <v>ChannelPid = pid()</v> @@ -592,8 +606,8 @@ </func> <func> - <name>write(ChannelPid, Handle, Data) -></name> - <name>write(ChannelPid, Handle, Data, Timeout) -> ok | {error, reason()}</name> + <name since="">write(ChannelPid, Handle, Data) -></name> + <name since="">write(ChannelPid, Handle, Data, Timeout) -> ok | {error, reason()}</name> <fsummary>Writes to an open file.</fsummary> <type> <v>ChannelPid = pid()</v> @@ -611,8 +625,8 @@ </func> <func> - <name>write_file(ChannelPid, File, Iolist) -></name> - <name>write_file(ChannelPid, File, Iolist, Timeout) -> ok | {error, reason()}</name> + <name since="">write_file(ChannelPid, File, Iolist) -></name> + <name since="">write_file(ChannelPid, File, Iolist, Timeout) -> ok | {error, reason()}</name> <fsummary>Writes a file.</fsummary> <type> <v>ChannelPid = pid()</v> @@ -627,8 +641,8 @@ </func> <func> - <name>write_file_info(ChannelPid, Name, Info) -></name> - <name>write_file_info(ChannelPid, Name, Info, Timeout) -> ok | {error, reason()}</name> + <name since="">write_file_info(ChannelPid, Name, Info) -></name> + <name since="">write_file_info(ChannelPid, Name, Info, Timeout) -> ok | {error, reason()}</name> <fsummary>Writes information for a file.</fsummary> <type> <v>ChannelPid = pid()</v> |