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-rw-r--r--lib/ssh/doc/src/ssh_sftp.xml545
1 files changed, 311 insertions, 234 deletions
diff --git a/lib/ssh/doc/src/ssh_sftp.xml b/lib/ssh/doc/src/ssh_sftp.xml
index 95869befb8..c2a86f3821 100644
--- a/lib/ssh/doc/src/ssh_sftp.xml
+++ b/lib/ssh/doc/src/ssh_sftp.xml
@@ -59,98 +59,132 @@
</section>
<funcs>
+ <func>
+ <name>apread(ChannelPid, Handle, Position, Len) -> {async, N} | {error, Error}</name>
+ <v>ChannelPid = pid()</v>
+ <v>Handle = term()</v>
+ <v>Position = integer()</v>
+ <v>Len = integer()</v>
+ <v>N = term()</v>
+ <v>Reason = term()</v>
+
+ <desc><p>The <c><![CDATA[apread]]></c> function reads from a specified position,
+ combining the <c><![CDATA[position]]></c> and <c><![CDATA[aread]]></c> functions.</p>
+ <p><seealso marker="#apread-3">ssh_sftp:apread/3</seealso></p> </desc>
+ </func>
+
+ <func>
+ <name>aread(ChannelPid, Handle, Len) -> {async, N} | {error, Error}</name>
+ <fsummary>Reads asynchronously from an open file.</fsummary>
+ <type>
+ <v>ChannelPid = pid()</v>
+ <v>Handle = term()</v>
+ <v>Position = integer()</v>
+ <v>Len = integer()</v>
+ <v>N = term()</v>
+ <v>Reason = term()</v>
+ </type>
+ <desc>
+ <p>Reads from an open file, without waiting for the result. If the
+ handle is valid, the function returns <c><![CDATA[{async, N}]]></c>, where <c>N</c>
+ is a term guaranteed to be unique between calls of <c><![CDATA[aread]]></c>.
+ The actual data is sent as a message to the calling process. This
+ message has the form <c><![CDATA[{async_reply, N, Result}]]></c>, where
+ <c><![CDATA[Result]]></c> is the result from the read, either <c><![CDATA[{ok, Data}]]></c>,
+ <c><![CDATA[eof]]></c>, or <c><![CDATA[{error, Error}]]></c>.</p>
+ </desc>
+ </func>
+
<func>
- <name>start_channel(ConnectionRef) -></name>
- <name>start_channel(ConnectionRef, Options) -></name>
- <name>start_channel(Host, Options) -></name>
- <name>start_channel(Host, Port, Options) -> {ok, Pid} | {ok, Pid, ConnectionRef} |
- {error, Reason}</name>
- <fsummary>Starts an SFTP client.</fsummary>
+ <name>apwrite(ChannelPid, Handle, Position, Data) -> ok | {error, Reason}</name>
+ <fsummary>Writes asynchronously to an open file.</fsummary>
<type>
- <v>Host = string()</v>
- <v>ConnectionRef = ssh_connection_ref()</v>
- <v>Port = integer()</v>
- <v>Options = [{Option, Value}]</v>
+ <v>ChannelPid = pid()</v>
+ <v>Handle = term()</v>
+ <v>Position = integer()</v>
+ <v>Len = integer()</v>
+ <v>Data = binary()</v>
+ <v>Timeout = timeout()</v>
<v>Reason = term()</v>
</type>
<desc>
- <p>If no connection reference is provided, a connection is set
- up, and the new connection is returned. An SSH channel process
- is started to handle the communication with the SFTP server.
- The returned <c>pid</c> for this process is to be used as input to
- all other API functions in this module.</p>
+ <p><c><![CDATA[apwrite]]></c> writes on a specified position, combining
+ the <c><![CDATA[position]]></c> and <c><![CDATA[awrite]]></c> operations.</p>
+ <p><seealso marker="#awrite-3">ssh_sftp:awrite/3</seealso> </p></desc>
+ </func>
- <p>Options:</p>
- <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>
- </item>
- <tag>
- <c><![CDATA[{sftp_vsn, integer()}]]></c>
- </tag>
- <item>
- <p>
- Desired SFTP protocol version.
- The actual version is the minimum of
- the desired version and the maximum supported
- versions by the SFTP server.
- </p>
- </item>
- </taglist>
- <p>All other options are directly passed to
- <seealso marker="ssh">ssh:connect/3</seealso> or ignored if a
- connection is already provided.</p>
+ <func>
+ <name>awrite(ChannelPid, Handle, Data) -> ok | {error, Reason}</name>
+ <fsummary>Writes asynchronously to an open file.</fsummary>
+ <type>
+ <v>ChannelPid = pid()</v>
+ <v>Handle = term()</v>
+ <v>Position = integer()</v>
+ <v>Len = integer()</v>
+ <v>Data = binary()</v>
+ <v>Timeout = timeout()</v>
+ <v>Reason = term()</v>
+ </type>
+ <desc>
+ <p>Writes to an open file, without waiting for the result. If the
+ handle is valid, the function returns <c><![CDATA[{async, N}]]></c>, where <c>N</c>
+ is a term guaranteed to be unique between calls of
+ <c><![CDATA[awrite]]></c>. The result of the <c><![CDATA[write]]></c> operation is sent
+ as a message to the calling process. This message has the form
+ <c><![CDATA[{async_reply, N, Result}]]></c>, where <c><![CDATA[Result]]></c> is the result
+ from the write, either <c><![CDATA[ok]]></c>, or <c><![CDATA[{error, Error}]]></c>.</p>
</desc>
</func>
<func>
- <name>stop_channel(ChannelPid) -> ok</name>
- <fsummary>Stops the SFTP client channel.</fsummary>
+ <name>close(ChannelPid, Handle) -></name>
+ <name>close(ChannelPid, Handle, Timeout) -> ok | {error, Reason}</name>
+ <fsummary>Closes an open handle.</fsummary>
<type>
<v>ChannelPid = pid()</v>
+ <v>Handle = term()</v>
+ <v>Timeout = timeout()</v>
+ <v>Reason = term()</v>
</type>
<desc>
- <p>Stops an SFTP channel. Does not close the SSH connection.
- Use <seealso marker="ssh">ssh:close/1</seealso> to close it.</p>
+ <p>Closes a handle to an open file or directory on the server.</p>
</desc>
</func>
-
+
<func>
- <name>read_file(ChannelPid, File) -></name>
- <name>read_file(ChannelPid, File, Timeout) -> {ok, Data} | {error, Reason}</name>
- <fsummary>Reads a file.</fsummary>
+ <name>delete(ChannelPid, Name) -></name>
+ <name>delete(ChannelPid, Name, Timeout) -> ok | {error, Reason}</name>
+ <fsummary>Deletes a file.</fsummary>
<type>
- <v>ChannelPid = pid()</v>
- <v>File = string()</v>
- <v>Data = binary()</v>
+ <v>ChannelPid = pid()</v>
+ <v>Name = string()</v>
<v>Timeout = timeout()</v>
- <v>Reason = term()</v>
+ <v>Reason = term()</v>
</type>
<desc>
- <p>Reads a file from the server, and returns the data in a binary,
- like <c><![CDATA[file:read_file/1]]></c>.</p>
+ <p>Deletes the file specified by <c><![CDATA[Name]]></c>, like
+ <c><![CDATA[file:delete/1]]></c>.</p>
</desc>
</func>
+
<func>
- <name>write_file(ChannelPid, File, Iolist) -></name>
- <name>write_file(ChannelPid, File, Iolist, Timeout) -> ok | {error, Reason}</name>
- <fsummary>Writes a file.</fsummary>
+ <name>del_dir(ChannelPid, Name) -></name>
+ <name>del_dir(ChannelPid, Name, Timeout) -> ok | {error, Reason}</name>
+ <fsummary>Deletes an empty directory.</fsummary>
<type>
<v>ChannelPid = pid()</v>
- <v>File = string()</v>
- <v>Iolist = iolist()</v>
+ <v>Name = string()</v>
<v>Timeout = timeout()</v>
<v>Reason = term()</v>
</type>
<desc>
- <p>Writes a file to the server, like
- <c><![CDATA[file:write_file/2]]></c>. The file is created if
- it does not exist. The file is overwritten if it exists.</p>
+ <p>Deletes a directory specified by <c><![CDATA[Name]]></c>.
+ The directory must be empty before it can be successfully deleted.
+ </p>
</desc>
</func>
- <func>
+
+ <func>
<name>list_dir(ChannelPid, Path) -></name>
<name>list_dir(ChannelPid, Path, Timeout) -> {ok, Filenames} | {error, Reason}</name>
<fsummary>Lists the directory.</fsummary>
@@ -167,7 +201,41 @@
filenames as a list of strings.</p>
</desc>
</func>
+
<func>
+ <name>make_dir(ChannelPid, Name) -></name>
+ <name>make_dir(ChannelPid, Name, Timeout) -> ok | {error, Reason}</name>
+ <fsummary>Creates a directory.</fsummary>
+ <type>
+ <v>ChannelPid = pid()</v>
+ <v>Name = string()</v>
+ <v>Timeout = timeout()</v>
+ <v>Reason = term()</v>
+ </type>
+ <desc>
+ <p>Creates a directory specified by <c><![CDATA[Name]]></c>. <c><![CDATA[Name]]></c>
+ must be a full path to a new directory. The directory can only be
+ created in an existing directory.</p>
+ </desc>
+ </func>
+
+ <func>
+ <name>make_symlink(ChannelPid, Name, Target) -></name>
+ <name>make_symlink(ChannelPid, Name, Target, Timeout) -> ok | {error, Reason}</name>
+ <fsummary>Creates a symbolic link.</fsummary>
+ <type>
+ <v>ChannelPid = pid()</v>
+ <v>Name = string()</v>
+ <v>Target = string()</v>
+ <v>Reason = term()</v>
+ </type>
+ <desc>
+ <p>Creates a symbolic link pointing to <c><![CDATA[Target]]></c> with the
+ name <c><![CDATA[Name]]></c>, like <c><![CDATA[file:make_symlink/2]]></c>.</p>
+ </desc>
+ </func>
+
+ <func>
<name>open(ChannelPid, File, Mode) -></name>
<name>open(ChannelPid, File, Mode, Timeout) -> {ok, Handle} | {error, Reason}</name>
<fsummary>Opens a file and returns a handle.</fsummary>
@@ -228,10 +296,11 @@
<desc>
<p>Opens a handle to a tar file on the server, associated with <c>ChannelPid</c>.
The handle can be used for remote tar creation and extraction, as defined by the
- <seealso marker="stdlib:erl_tar#init/3">erl_tar:init/3</seealso> function.
+ <seealso marker="stdlib:erl_tar#init-3">erl_tar:init/3</seealso> function.
</p>
+
<p>Example of writing and then reading a tar file follows:</p>
- <code type="none">
+ <code type="erlang">
{ok,HandleWrite} = ssh_sftp:open_tar(ChannelPid, ?tar_file_name, [write]),
ok = erl_tar:add(HandleWrite, .... ),
ok = erl_tar:add(HandleWrite, .... ),
@@ -263,7 +332,7 @@
<c>DecryptFun</c>. The value can be changed between <c>pos_integer()</c> and <c>undefined</c>.
</p>
<p>The previous write and read example can be extended with encryption and decryption as follows:</p>
- <code type="none">
+ <code type="erlang">
%% First three parameters depending on which crypto type we select:
Key = &lt;&lt;"This is a 256 bit key. abcdefghi">>,
Ivec0 = crypto:rand_bytes(16),
@@ -313,22 +382,52 @@
</func>
<func>
- <name>close(ChannelPid, Handle) -></name>
- <name>close(ChannelPid, Handle, Timeout) -> ok | {error, Reason}</name>
- <fsummary>Closes an open handle.</fsummary>
+ <name>position(ChannelPid, Handle, Location) -></name>
+ <name>position(ChannelPid, Handle, Location, Timeout) -> {ok, NewPosition | {error, Error}</name>
+ <fsummary>Sets the file position of a file.</fsummary>
<type>
<v>ChannelPid = pid()</v>
<v>Handle = term()</v>
+ <v>Location = Offset
+ | {bof, Offset} | {cur, Offset} | {eof, Offset} | bof | cur | eof</v>
+ <v>Offset = integer()</v>
<v>Timeout = timeout()</v>
+ <v>NewPosition = integer()</v>
<v>Reason = term()</v>
</type>
<desc>
- <p>Closes a handle to an open file or directory on the server.</p>
+ <p>Sets the file position of the file referenced by <c><![CDATA[Handle]]></c>.
+ Returns <c><![CDATA[{ok, NewPosition}]]></c> (as an absolute offset) if
+ successful, otherwise <c><![CDATA[{error, Reason}]]></c>. <c><![CDATA[Location]]></c> is
+ one of the following:</p>
+ <taglist>
+ <tag><c><![CDATA[Offset]]></c></tag>
+ <item>
+ <p>The same as <c><![CDATA[{bof, Offset}]]></c>.</p>
+ </item>
+ <tag><c><![CDATA[{bof, Offset}]]></c></tag>
+ <item>
+ <p>Absolute offset.</p>
+ </item>
+ <tag><c><![CDATA[{cur, Offset}]]></c></tag>
+ <item>
+ <p>Offset from the current position.</p>
+ </item>
+ <tag><c><![CDATA[{eof, Offset}]]></c></tag>
+ <item>
+ <p>Offset from the end of file.</p>
+ </item>
+ <tag><c><![CDATA[bof | cur | eof]]></c></tag>
+ <item>
+ <p>The same as eariler with <c><![CDATA[Offset]]></c> 0,
+ that is, <c><![CDATA[{bof, 0} | {cur, 0} | {eof, 0}]]></c>.
+ </p>
+ </item>
+ </taglist>
</desc>
</func>
+
<func>
- <name>read(ChannelPid, Handle, Len) -></name>
- <name>read(ChannelPid, Handle, Len, Timeout) -> {ok, Data} | eof | {error, Error}</name>
<name>pread(ChannelPid, Handle, Position, Len) -></name>
<name>pread(ChannelPid, Handle, Position, Len, Timeout) -> {ok, Data} | eof | {error, Error}</name>
<fsummary>Reads from an open file.</fsummary>
@@ -342,44 +441,13 @@
<v>Reason = term()</v>
</type>
<desc>
- <p>Reads <c><![CDATA[Len]]></c> bytes from the file referenced by
- <c><![CDATA[Handle]]></c>. Returns <c><![CDATA[{ok, Data}]]></c>, <c><![CDATA[eof]]></c>, or
- <c><![CDATA[{error, Reason}]]></c>. If the file is opened with <c><![CDATA[binary]]></c>,
- <c><![CDATA[Data]]></c> is a binary, otherwise it is a string.</p>
- <p>If the file is read past <c>eof</c>, only the remaining bytes
- are read and returned. If no bytes are read, <c><![CDATA[eof]]></c>
- is returned.</p>
- <p>The <c><![CDATA[pread]]></c> function reads from a specified position,
- combining the <c><![CDATA[position]]></c> and <c><![CDATA[read]]></c> functions.</p>
- </desc>
- </func>
- <func>
- <name>aread(ChannelPid, Handle, Len) -> {async, N} | {error, Error}</name>
- <name>apread(ChannelPid, Handle, Position, Len) -> {async, N} | {error, Error}</name>
- <fsummary>Reads asynchronously from an open file.</fsummary>
- <type>
- <v>ChannelPid = pid()</v>
- <v>Handle = term()</v>
- <v>Position = integer()</v>
- <v>Len = integer()</v>
- <v>N = term()</v>
- <v>Reason = term()</v>
- </type>
- <desc>
- <p>Reads from an open file, without waiting for the result. If the
- handle is valid, the function returns <c><![CDATA[{async, N}]]></c>, where <c>N</c>
- is a term guaranteed to be unique between calls of <c><![CDATA[aread]]></c>.
- The actual data is sent as a message to the calling process. This
- message has the form <c><![CDATA[{async_reply, N, Result}]]></c>, where
- <c><![CDATA[Result]]></c> is the result from the read, either <c><![CDATA[{ok, Data}]]></c>,
- <c><![CDATA[eof]]></c>, or <c><![CDATA[{error, Error}]]></c>.</p>
- <p>The <c><![CDATA[apread]]></c> function reads from a specified position,
- combining the <c><![CDATA[position]]></c> and <c><![CDATA[aread]]></c> functions.</p>
+ <p>The <c><![CDATA[pread]]></c> function reads from a specified position,
+ combining the <c><![CDATA[position]]></c> and <c><![CDATA[read]]></c> functions.</p>
+ <p><seealso marker="#read-4">ssh_sftp:read/4</seealso></p>
</desc>
</func>
+
<func>
- <name>write(ChannelPid, Handle, Data) -></name>
- <name>write(ChannelPid, Handle, Data, Timeout) -> ok | {error, Error}</name>
<name>pwrite(ChannelPid, Handle, Position, Data) -> ok</name>
<name>pwrite(ChannelPid, Handle, Position, Data, Timeout) -> ok | {error, Error}</name>
<fsummary>Writes to an open file.</fsummary>
@@ -392,94 +460,55 @@
<v>Reason = term()</v>
</type>
<desc>
- <p>Writes <c><![CDATA[data]]></c> to the file referenced by <c><![CDATA[Handle]]></c>.
- The file is to be opened with <c><![CDATA[write]]></c> or <c><![CDATA[append]]></c>
- flag. Returns <c><![CDATA[ok]]></c> if successful or <c><![CDATA[{error, Reason}]]></c>
- otherwise.</p>
- <p>Typical error reasons:</p>
- <taglist>
- <tag><c><![CDATA[ebadf]]></c></tag>
- <item>
- <p>File is not opened for writing.</p>
- </item>
- <tag><c><![CDATA[enospc]]></c></tag>
- <item>
- <p>No space is left on the device.</p>
- </item>
- </taglist>
+ <p>The <c><![CDATA[pread]]></c> function writes to a specified position,
+ combining the <c><![CDATA[position]]></c> and <c><![CDATA[write]]></c> functions.</p>
+ <p><seealso marker="#write-3">ssh_sftp:write/3</seealso></p>
</desc>
</func>
- <func>
- <name>awrite(ChannelPid, Handle, Data) -> ok | {error, Reason}</name>
- <name>apwrite(ChannelPid, Handle, Position, Data) -> ok | {error, Reason}</name>
- <fsummary>Writes asynchronously to an open file.</fsummary>
+
+
+ <func>
+ <name>read(ChannelPid, Handle, Len) -></name>
+ <name>read(ChannelPid, Handle, Len, Timeout) -> {ok, Data} | eof | {error, Error}</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>Data = binary()</v>
<v>Timeout = timeout()</v>
+ <v>Data = string() | binary()</v>
<v>Reason = term()</v>
</type>
<desc>
- <p>Writes to an open file, without waiting for the result. If the
- handle is valid, the function returns <c><![CDATA[{async, N}]]></c>, where <c>N</c>
- is a term guaranteed to be unique between calls of
- <c><![CDATA[awrite]]></c>. The result of the <c><![CDATA[write]]></c> operation is sent
- as a message to the calling process. This message has the form
- <c><![CDATA[{async_reply, N, Result}]]></c>, where <c><![CDATA[Result]]></c> is the result
- from the write, either <c><![CDATA[ok]]></c>, or <c><![CDATA[{error, Error}]]></c>.</p>
- <p><c><![CDATA[apwrite]]></c> writes on a specified position, combining
- the <c><![CDATA[position]]></c> and <c><![CDATA[awrite]]></c> operations.</p>
+ <p>Reads <c><![CDATA[Len]]></c> bytes from the file referenced by
+ <c><![CDATA[Handle]]></c>. Returns <c><![CDATA[{ok, Data}]]></c>, <c><![CDATA[eof]]></c>, or
+ <c><![CDATA[{error, Reason}]]></c>. If the file is opened with <c><![CDATA[binary]]></c>,
+ <c><![CDATA[Data]]></c> is a binary, otherwise it is a string.</p>
+ <p>If the file is read past <c>eof</c>, only the remaining bytes
+ are read and returned. If no bytes are read, <c><![CDATA[eof]]></c>
+ is returned.</p>
</desc>
</func>
- <func>
- <name>position(ChannelPid, Handle, Location) -></name>
- <name>position(ChannelPid, Handle, Location, Timeout) -> {ok, NewPosition | {error, Error}</name>
- <fsummary>Sets the file position of a file.</fsummary>
+
+ <func>
+ <name>read_file(ChannelPid, File) -></name>
+ <name>read_file(ChannelPid, File, Timeout) -> {ok, Data} | {error, Reason}</name>
+ <fsummary>Reads a file.</fsummary>
<type>
- <v>ChannelPid = pid()</v>
- <v>Handle = term()</v>
- <v>Location = Offset
- | {bof, Offset} | {cur, Offset} | {eof, Offset} | bof | cur | eof</v>
- <v>Offset = integer()</v>
+ <v>ChannelPid = pid()</v>
+ <v>File = string()</v>
+ <v>Data = binary()</v>
<v>Timeout = timeout()</v>
- <v>NewPosition = integer()</v>
- <v>Reason = term()</v>
+ <v>Reason = term()</v>
</type>
<desc>
- <p>Sets the file position of the file referenced by <c><![CDATA[Handle]]></c>.
- Returns <c><![CDATA[{ok, NewPosition}]]></c> (as an absolute offset) if
- successful, otherwise <c><![CDATA[{error, Reason}]]></c>. <c><![CDATA[Location]]></c> is
- one of the following:</p>
- <taglist>
- <tag><c><![CDATA[Offset]]></c></tag>
- <item>
- <p>The same as <c><![CDATA[{bof, Offset}]]></c>.</p>
- </item>
- <tag><c><![CDATA[{bof, Offset}]]></c></tag>
- <item>
- <p>Absolute offset.</p>
- </item>
- <tag><c><![CDATA[{cur, Offset}]]></c></tag>
- <item>
- <p>Offset from the current position.</p>
- </item>
- <tag><c><![CDATA[{eof, Offset}]]></c></tag>
- <item>
- <p>Offset from the end of file.</p>
- </item>
- <tag><c><![CDATA[bof | cur | eof]]></c></tag>
- <item>
- <p>The same as eariler with <c><![CDATA[Offset]]></c> 0,
- that is, <c><![CDATA[{bof, 0} | {cur, 0} | {eof, 0}]]></c>.
- </p>
- </item>
- </taglist>
+ <p>Reads a file from the server, and returns the data in a binary,
+ like <c><![CDATA[file:read_file/1]]></c>.</p>
</desc>
</func>
- <func>
+
+ <func>
<name>read_file_info(ChannelPid, Name) -></name>
<name>read_file_info(ChannelPid, Name, Timeout) -> {ok, FileInfo} | {error, Reason}</name>
<fsummary>Gets information about a file.</fsummary>
@@ -497,7 +526,24 @@
like <c><![CDATA[file:read_file_info/2]]></c>.</p>
</desc>
</func>
- <func>
+
+ <func>
+ <name>read_link(ChannelPid, Name) -></name>
+ <name>read_link(ChannelPid, Name, Timeout) -> {ok, Target} | {error, Reason}</name>
+ <fsummary>Reads symbolic link.</fsummary>
+ <type>
+ <v>ChannelPid = pid()</v>
+ <v>Name = string()</v>
+ <v>Target = string()</v>
+ <v>Reason = term()</v>
+ </type>
+ <desc>
+ <p>Reads the link target from the symbolic link specified
+ by <c><![CDATA[name]]></c>, like <c><![CDATA[file:read_link/1]]></c>.</p>
+ </desc>
+ </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>
<fsummary>Gets information about a symbolic link.</fsummary>
@@ -515,116 +561,147 @@
<c><![CDATA[file:read_link_info/2]]></c>.</p>
</desc>
</func>
+
<func>
- <name>write_file_info(ChannelPid, Name, Info) -></name>
- <name>write_file_info(ChannelPid, Name, Info, Timeout) -> ok | {error, Reason}</name>
- <fsummary>Writes information for a file.</fsummary>
+ <name>rename(ChannelPid, OldName, NewName) -> </name>
+ <name>rename(ChannelPid, OldName, NewName, Timeout) -> ok | {error, Reason}</name>
+ <fsummary>Renames a file.</fsummary>
<type>
<v>ChannelPid = pid()</v>
- <v>Name = string()</v>
- <v>Info = record()</v>
+ <v>OldName = string()</v>
+ <v>NewName = string()</v>
<v>Timeout = timeout()</v>
<v>Reason = term()</v>
</type>
<desc>
- <p>Writes file information from a <c><![CDATA[file_info]]></c> record to the
- file specified by <c><![CDATA[Name]]></c>, like <c><![CDATA[file:write_file_info]]></c>.</p>
- </desc>
- </func>
- <func>
- <name>read_link(ChannelPid, Name) -></name>
- <name>read_link(ChannelPid, Name, Timeout) -> {ok, Target} | {error, Reason}</name>
- <fsummary>Reads symbolic link.</fsummary>
- <type>
- <v>ChannelPid = pid()</v>
- <v>Name = string()</v>
- <v>Target = string()</v>
- <v>Reason = term()</v>
- </type>
- <desc>
- <p>Reads the link target from the symbolic link specified
- by <c><![CDATA[name]]></c>, like <c><![CDATA[file:read_link/1]]></c>.</p>
+ <p>Renames a file named <c><![CDATA[OldName]]></c> and gives it the name
+ <c><![CDATA[NewName]]></c>, like <c><![CDATA[file:rename/2]]></c>.</p>
</desc>
</func>
+
<func>
- <name>make_symlink(ChannelPid, Name, Target) -></name>
- <name>make_symlink(ChannelPid, Name, Target, Timeout) -> ok | {error, Reason}</name>
- <fsummary>Creates a symbolic link.</fsummary>
+ <name>start_channel(ConnectionRef) -></name>
+ <name>start_channel(ConnectionRef, Options) -></name>
+ <name>start_channel(Host, Options) -></name>
+ <name>start_channel(Host, Port, Options) -> {ok, Pid} | {ok, Pid, ConnectionRef} |
+ {error, Reason}</name>
+ <fsummary>Starts an SFTP client.</fsummary>
<type>
- <v>ChannelPid = pid()</v>
- <v>Name = string()</v>
- <v>Target = string()</v>
+ <v>Host = string()</v>
+ <v>ConnectionRef = ssh_connection_ref()</v>
+ <v>Port = integer()</v>
+ <v>Options = [{Option, Value}]</v>
<v>Reason = term()</v>
</type>
<desc>
- <p>Creates a symbolic link pointing to <c><![CDATA[Target]]></c> with the
- name <c><![CDATA[Name]]></c>, like <c><![CDATA[file:make_symlink/2]]></c>.</p>
+ <p>If no connection reference is provided, a connection is set
+ up, and the new connection is returned. An SSH channel process
+ is started to handle the communication with the SFTP server.
+ The returned <c>pid</c> for this process is to be used as input to
+ all other API functions in this module.</p>
+
+ <p>Options:</p>
+ <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>
+ </item>
+ <tag>
+ <c><![CDATA[{sftp_vsn, integer()}]]></c>
+ </tag>
+ <item>
+ <p>
+ Desired SFTP protocol version.
+ The actual version is the minimum of
+ the desired version and the maximum supported
+ versions by the SFTP server.
+ </p>
+ </item>
+ </taglist>
+ <p>All other options are directly passed to
+ <seealso marker="ssh">ssh:connect/3</seealso> or ignored if a
+ connection is already provided.</p>
</desc>
</func>
- <func>
- <name>rename(ChannelPid, OldName, NewName) -> </name>
- <name>rename(ChannelPid, OldName, NewName, Timeout) -> ok | {error, Reason}</name>
- <fsummary>Renames a file.</fsummary>
+
+ <func>
+ <name>stop_channel(ChannelPid) -> ok</name>
+ <fsummary>Stops the SFTP client channel.</fsummary>
<type>
<v>ChannelPid = pid()</v>
- <v>OldName = string()</v>
- <v>NewName = string()</v>
- <v>Timeout = timeout()</v>
- <v>Reason = term()</v>
</type>
<desc>
- <p>Renames a file named <c><![CDATA[OldName]]></c> and gives it the name
- <c><![CDATA[NewName]]></c>, like <c><![CDATA[file:rename/2]]></c>.</p>
+ <p>Stops an SFTP channel. Does not close the SSH connection.
+ Use <seealso marker="ssh#close-1">ssh:close/1</seealso> to close it.</p>
</desc>
</func>
+
<func>
- <name>delete(ChannelPid, Name) -></name>
- <name>delete(ChannelPid, Name, Timeout) -> ok | {error, Reason}</name>
- <fsummary>Deletes a file.</fsummary>
+ <name>write_file(ChannelPid, File, Iolist) -></name>
+ <name>write_file(ChannelPid, File, Iolist, Timeout) -> ok | {error, Reason}</name>
+ <fsummary>Writes a file.</fsummary>
<type>
<v>ChannelPid = pid()</v>
- <v>Name = string()</v>
+ <v>File = string()</v>
+ <v>Iolist = iolist()</v>
<v>Timeout = timeout()</v>
<v>Reason = term()</v>
</type>
<desc>
- <p>Deletes the file specified by <c><![CDATA[Name]]></c>, like
- <c><![CDATA[file:delete/1]]></c>.</p>
+ <p>Writes a file to the server, like
+ <c><![CDATA[file:write_file/2]]></c>. The file is created if
+ it does not exist. The file is overwritten if it exists.</p>
</desc>
</func>
+
<func>
- <name>make_dir(ChannelPid, Name) -></name>
- <name>make_dir(ChannelPid, Name, Timeout) -> ok | {error, Reason}</name>
- <fsummary>Creates a directory.</fsummary>
+ <name>write(ChannelPid, Handle, Data) -></name>
+ <name>write(ChannelPid, Handle, Data, Timeout) -> ok | {error, Error}</name>
+ <fsummary>Writes to an open file.</fsummary>
<type>
<v>ChannelPid = pid()</v>
- <v>Name = string()</v>
+ <v>Handle = term()</v>
+ <v>Position = integer()</v>
+ <v>Data = iolist()</v>
<v>Timeout = timeout()</v>
<v>Reason = term()</v>
</type>
<desc>
- <p>Creates a directory specified by <c><![CDATA[Name]]></c>. <c><![CDATA[Name]]></c>
- must be a full path to a new directory. The directory can only be
- created in an existing directory.</p>
+ <p>Writes <c><![CDATA[data]]></c> to the file referenced by <c><![CDATA[Handle]]></c>.
+ The file is to be opened with <c><![CDATA[write]]></c> or <c><![CDATA[append]]></c>
+ flag. Returns <c><![CDATA[ok]]></c> if successful or <c><![CDATA[{error, Reason}]]></c>
+ otherwise.</p>
+ <p>Typical error reasons:</p>
+ <taglist>
+ <tag><c><![CDATA[ebadf]]></c></tag>
+ <item>
+ <p>File is not opened for writing.</p>
+ </item>
+ <tag><c><![CDATA[enospc]]></c></tag>
+ <item>
+ <p>No space is left on the device.</p>
+ </item>
+ </taglist>
</desc>
</func>
+
<func>
- <name>del_dir(ChannelPid, Name) -></name>
- <name>del_dir(ChannelPid, Name, Timeout) -> ok | {error, Reason}</name>
- <fsummary>Deletes an empty directory.</fsummary>
+ <name>write_file_info(ChannelPid, Name, Info) -></name>
+ <name>write_file_info(ChannelPid, Name, Info, Timeout) -> ok | {error, Reason}</name>
+ <fsummary>Writes information for a file.</fsummary>
<type>
<v>ChannelPid = pid()</v>
<v>Name = string()</v>
+ <v>Info = record()</v>
<v>Timeout = timeout()</v>
<v>Reason = term()</v>
</type>
<desc>
- <p>Deletes a directory specified by <c><![CDATA[Name]]></c>.
- The directory must be empty before it can be successfully deleted.
- </p>
+ <p>Writes file information from a <c><![CDATA[file_info]]></c> record to the
+ file specified by <c><![CDATA[Name]]></c>, like <c><![CDATA[file:write_file_info]]></c>.</p>
</desc>
</func>
-
</funcs>
</erlref>