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Diffstat (limited to 'Build/source/texk/web2c/luatexdir/luasocket/etc/lp.lua')
-rw-r--r-- | Build/source/texk/web2c/luatexdir/luasocket/etc/lp.lua | 323 |
1 files changed, 0 insertions, 323 deletions
diff --git a/Build/source/texk/web2c/luatexdir/luasocket/etc/lp.lua b/Build/source/texk/web2c/luatexdir/luasocket/etc/lp.lua deleted file mode 100644 index 25f0b95e15e..00000000000 --- a/Build/source/texk/web2c/luatexdir/luasocket/etc/lp.lua +++ /dev/null @@ -1,323 +0,0 @@ ------------------------------------------------------------------------------ --- LPD support for the Lua language --- LuaSocket toolkit. --- Author: David Burgess --- Modified by Diego Nehab, but David is in charge ------------------------------------------------------------------------------ ---[[ - if you have any questions: RFC 1179 -]] --- make sure LuaSocket is loaded -local io = require("io") -local base = _G -local os = require("os") -local math = require("math") -local string = require("string") -local socket = require("socket") -local ltn12 = require("ltn12") -module("socket.lp") - --- default port -PORT = 515 -SERVER = os.getenv("SERVER_NAME") or os.getenv("COMPUTERNAME") or "localhost" -PRINTER = os.getenv("PRINTER") or "printer" - -local function connect(localhost, option) - local host = option.host or SERVER - local port = option.port or PORT - local skt - local try = socket.newtry(function() if skt then skt:close() end end) - if option.localbind then - -- bind to a local port (if we can) - local localport = 721 - local done, err - repeat - skt = socket.try(socket.tcp()) - try(skt:settimeout(30)) - done, err = skt:bind(localhost, localport) - if not done then - localport = localport + 1 - skt:close() - skt = nil - else break end - until localport > 731 - socket.try(skt, err) - else skt = socket.try(socket.tcp()) end - try(skt:connect(host, port)) - return { skt = skt, try = try } -end - ---[[ -RFC 1179 -5.3 03 - Send queue state (short) - - +----+-------+----+------+----+ - | 03 | Queue | SP | List | LF | - +----+-------+----+------+----+ - Command code - 3 - Operand 1 - Printer queue name - Other operands - User names or job numbers - - If the user names or job numbers or both are supplied then only those - jobs for those users or with those numbers will be sent. - - The response is an ASCII stream which describes the printer queue. - The stream continues until the connection closes. Ends of lines are - indicated with ASCII LF control characters. The lines may also - contain ASCII HT control characters. - -5.4 04 - Send queue state (long) - - +----+-------+----+------+----+ - | 04 | Queue | SP | List | LF | - +----+-------+----+------+----+ - Command code - 4 - Operand 1 - Printer queue name - Other operands - User names or job numbers - - If the user names or job numbers or both are supplied then only those - jobs for those users or with those numbers will be sent. - - The response is an ASCII stream which describes the printer queue. - The stream continues until the connection closes. Ends of lines are - indicated with ASCII LF control characters. The lines may also - contain ASCII HT control characters. -]] - --- gets server acknowledement -local function recv_ack(con) - local ack = con.skt:receive(1) - con.try(string.char(0) == ack, "failed to receive server acknowledgement") -end - --- sends client acknowledement -local function send_ack(con) - local sent = con.skt:send(string.char(0)) - con.try(sent == 1, "failed to send acknowledgement") -end - --- sends queue request --- 5.2 02 - Receive a printer job --- --- +----+-------+----+ --- | 02 | Queue | LF | --- +----+-------+----+ --- Command code - 2 --- Operand - Printer queue name --- --- Receiving a job is controlled by a second level of commands. The --- daemon is given commands by sending them over the same connection. --- The commands are described in the next section (6). --- --- After this command is sent, the client must read an acknowledgement --- octet from the daemon. A positive acknowledgement is an octet of --- zero bits. A negative acknowledgement is an octet of any other --- pattern. -local function send_queue(con, queue) - queue = queue or PRINTER - local str = string.format("\2%s\10", queue) - local sent = con.skt:send(str) - con.try(sent == string.len(str), "failed to send print request") - recv_ack(con) -end - --- sends control file --- 6.2 02 - Receive control file --- --- +----+-------+----+------+----+ --- | 02 | Count | SP | Name | LF | --- +----+-------+----+------+----+ --- Command code - 2 --- Operand 1 - Number of bytes in control file --- Operand 2 - Name of control file --- --- The control file must be an ASCII stream with the ends of lines --- indicated by ASCII LF. The total number of bytes in the stream is --- sent as the first operand. The name of the control file is sent as --- the second. It should start with ASCII "cfA", followed by a three --- digit job number, followed by the host name which has constructed the --- control file. Acknowledgement processing must occur as usual after --- the command is sent. --- --- The next "Operand 1" octets over the same TCP connection are the --- intended contents of the control file. Once all of the contents have --- been delivered, an octet of zero bits is sent as an indication that --- the file being sent is complete. A second level of acknowledgement --- processing must occur at this point. - --- sends data file --- 6.3 03 - Receive data file --- --- +----+-------+----+------+----+ --- | 03 | Count | SP | Name | LF | --- +----+-------+----+------+----+ --- Command code - 3 --- Operand 1 - Number of bytes in data file --- Operand 2 - Name of data file --- --- The data file may contain any 8 bit values at all. The total number --- of bytes in the stream may be sent as the first operand, otherwise --- the field should be cleared to 0. The name of the data file should --- start with ASCII "dfA". This should be followed by a three digit job --- number. The job number should be followed by the host name which has --- constructed the data file. Interpretation of the contents of the --- data file is determined by the contents of the corresponding control --- file. If a data file length has been specified, the next "Operand 1" --- octets over the same TCP connection are the intended contents of the --- data file. In this case, once all of the contents have been --- delivered, an octet of zero bits is sent as an indication that the --- file being sent is complete. A second level of acknowledgement --- processing must occur at this point. - - -local function send_hdr(con, control) - local sent = con.skt:send(control) - con.try(sent and sent >= 1 , "failed to send header file") - recv_ack(con) -end - -local function send_control(con, control) - local sent = con.skt:send(control) - con.try(sent and sent >= 1, "failed to send control file") - send_ack(con) -end - -local function send_data(con,fh,size) - local buf - while size > 0 do - buf,message = fh:read(8192) - if buf then - st = con.try(con.skt:send(buf)) - size = size - st - else - con.try(size == 0, "file size mismatch") - end - end - recv_ack(con) -- note the double acknowledgement - send_ack(con) - recv_ack(con) - return size -end - - ---[[ -local control_dflt = { - "H"..string.sub(socket.hostname,1,31).."\10", -- host - "C"..string.sub(socket.hostname,1,31).."\10", -- class - "J"..string.sub(filename,1,99).."\10", -- jobname - "L"..string.sub(user,1,31).."\10", -- print banner page - "I"..tonumber(indent).."\10", -- indent column count ('f' only) - "M"..string.sub(mail,1,128).."\10", -- mail when printed user@host - "N"..string.sub(filename,1,131).."\10", -- name of source file - "P"..string.sub(user,1,31).."\10", -- user name - "T"..string.sub(title,1,79).."\10", -- title for banner ('p' only) - "W"..tonumber(width or 132).."\10", -- width of print f,l,p only - - "f"..file.."\10", -- formatted print (remove control chars) - "l"..file.."\10", -- print - "o"..file.."\10", -- postscript - "p"..file.."\10", -- pr format - requires T, L - "r"..file.."\10", -- fortran format - "U"..file.."\10", -- Unlink (data file only) -} -]] - --- generate a varying job number -local seq = 0 -local function newjob(connection) - seq = seq + 1 - return math.floor(socket.gettime() * 1000 + seq)%1000 -end - - -local format_codes = { - binary = 'l', - text = 'f', - ps = 'o', - pr = 'p', - fortran = 'r', - l = 'l', - r = 'r', - o = 'o', - p = 'p', - f = 'f' -} - --- lp.send{option} --- requires option.file - -send = socket.protect(function(option) - socket.try(option and base.type(option) == "table", "invalid options") - local file = option.file - socket.try(file, "invalid file name") - local fh = socket.try(io.open(file,"rb")) - local datafile_size = fh:seek("end") -- get total size - fh:seek("set") -- go back to start of file - local localhost = socket.dns.gethostname() or os.getenv("COMPUTERNAME") - or "localhost" - local con = connect(localhost, option) --- format the control file - local jobno = newjob() - local localip = socket.dns.toip(localhost) - localhost = string.sub(localhost,1,31) - local user = string.sub(option.user or os.getenv("LPRUSER") or - os.getenv("USERNAME") or os.getenv("USER") or "anonymous", 1,31) - local lpfile = string.format("dfA%3.3d%-s", jobno, localhost); - local fmt = format_codes[option.format] or 'l' - local class = string.sub(option.class or localip or localhost,1,31) - local _,_,ctlfn = string.find(file,".*[%/%\\](.*)") - ctlfn = string.sub(ctlfn or file,1,131) - local cfile = - string.format("H%-s\nC%-s\nJ%-s\nP%-s\n%.1s%-s\nU%-s\nN%-s\n", - localhost, - class, - option.job or "LuaSocket", - user, - fmt, lpfile, - lpfile, - ctlfn); -- mandatory part of ctl file - if (option.banner) then cfile = cfile .. 'L'..user..'\10' end - if (option.indent) then cfile = cfile .. 'I'..base.tonumber(option.indent)..'\10' end - if (option.mail) then cfile = cfile .. 'M'..string.sub((option.mail),1,128)..'\10' end - if (fmt == 'p' and option.title) then cfile = cfile .. 'T'..string.sub((option.title),1,79)..'\10' end - if ((fmt == 'p' or fmt == 'l' or fmt == 'f') and option.width) then - cfile = cfile .. 'W'..base.tonumber(option,width)..'\10' - end - - con.skt:settimeout(option.timeout or 65) --- send the queue header - send_queue(con, option.queue) --- send the control file header - local cfilecmd = string.format("\2%d cfA%3.3d%-s\n",string.len(cfile), jobno, localhost); - send_hdr(con,cfilecmd) - --- send the control file - send_control(con,cfile) - --- send the data file header - local dfilecmd = string.format("\3%d dfA%3.3d%-s\n",datafile_size, jobno, localhost); - send_hdr(con,dfilecmd) - --- send the data file - send_data(con,fh,datafile_size) - fh:close() - con.skt:close(); - return jobno, datafile_size -end) - --- --- lp.query({host=,queue=printer|'*', format='l'|'s', list=}) --- -query = socket.protect(function(p) - p = p or {} - local localhost = socket.dns.gethostname() or os.getenv("COMPUTERNAME") - or "localhost" - local con = connect(localhost,p) - local fmt - if string.sub(p.format or 's',1,1) == 's' then fmt = 3 else fmt = 4 end - con.try(con.skt:send(string.format("%c%s %s\n", fmt, p.queue or "*", - p.list or ""))) - local data = con.try(con.skt:receive("*a")) - con.skt:close() - return data -end) |