diff options
author | Steven Barth <steven@midlink.org> | 2009-02-22 23:19:25 +0000 |
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committer | Steven Barth <steven@midlink.org> | 2009-02-22 23:19:25 +0000 |
commit | d730c1263328c5990ce46cdf6394ce6e36cc3609 (patch) | |
tree | 8dc37350e69dcbd0ca82570cfa62a4c710defc93 /libs/nixio/axTLS/www/lua/download.lua | |
parent | d2b11117f26285186b711271d24733d35e0444a1 (diff) |
Add axTLS sourcecode
Diffstat (limited to 'libs/nixio/axTLS/www/lua/download.lua')
-rw-r--r-- | libs/nixio/axTLS/www/lua/download.lua | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/libs/nixio/axTLS/www/lua/download.lua b/libs/nixio/axTLS/www/lua/download.lua new file mode 100644 index 000000000..2ee1a71e9 --- /dev/null +++ b/libs/nixio/axTLS/www/lua/download.lua @@ -0,0 +1,75 @@ +#!/usr/local/bin/lua + +require"luasocket" + +function receive (connection) + connection:settimeout(0) + local s, status = connection:receive (2^10) + if status == "timeout" then + coroutine.yield (connection) + end + return s, status +end + +function download (host, file, outfile) + --local f = assert (io.open (outfile, "w")) + local c = assert (socket.connect (host, 80)) + c:send ("GET "..file.." HTTP/1.0\r\n\r\n") + while true do + local s, status = receive (c) + --f:write (s) + if status == "closed" then + break + end + end + c:close() + --f:close() +end + +local threads = {} +function get (host, file, outfile) + print (string.format ("Downloading %s from %s to %s", file, host, outfile)) + local co = coroutine.create (function () + return download (host, file, outfile) + end) + table.insert (threads, co) +end + +function dispatcher () + while true do + local n = table.getn (threads) + if n == 0 then + break + end + local connections = {} + for i = 1, n do + local status, res = coroutine.resume (threads[i]) + if not res then + table.remove (threads, i) + break + else + table.insert (connections, res) + end + end + if table.getn (connections) == n then + socket.select (connections) + end + end +end + +local url = arg[1] +if not url then + print (string.format ("usage: %s url [times]", arg[0])) + os.exit() +end +local times = arg[2] or 5 + +url = string.gsub (url, "^http.?://", "") +local _, _, host, file = string.find (url, "^([^/]+)(/.*)") +local _, _, fn = string.find (file, "([^/]+)$") + +for i = 1, times do + get (host, file, fn..i) +end + +dispatcher () |