mirror of https://github.com/ArduPilot/ardupilot
AP_Scripting: improve web server debug
This commit is contained in:
Andrew Tridgell
parent
f603f045b5
commit
39891d3161
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@ -168,7 +168,7 @@ if not sock_listen:bind("0.0.0.0", WEB_BIND_PORT:get()) then
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return
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end
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if not sock_listen:listen(50) then
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if not sock_listen:listen(1) then
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gcs:send_text(MAV_SEVERITY.ERROR, "WebServer: failed to listen")
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return
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end
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@ -202,9 +202,12 @@ local function startswith(str, s)
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return string.sub(str,1,len2) == s
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end
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local debug_count=0
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function DEBUG(txt)
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if WEB_DEBUG:get() ~= 0 then
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gcs:send_text(MAV_SEVERITY.DEBUG, txt)
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gcs:send_text(MAV_SEVERITY.DEBUG, txt .. string.format(" [%u]", debug_count))
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debug_count = debug_count + 1
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end
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end
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@ -250,6 +253,7 @@ local function Client(_sock, _idx)
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local protocol = nil
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local file = nil
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local start_time = millis()
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local offset = 0
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function self.read_header()
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local s = sock:recv(2048)
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@ -257,7 +261,7 @@ local function Client(_sock, _idx)
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local now = millis()
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if not sock:is_connected() or now - start_time > WEB_TIMEOUT:get()*1000 then
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-- EOF while looking for header
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DEBUG("EOF")
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DEBUG(string.format("%u: EOF", idx))
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self.remove()
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return false
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end
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@ -269,7 +273,7 @@ local function Client(_sock, _idx)
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header = header .. s
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local eoh = string.find(s, '\r\n\r\n')
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if eoh then
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DEBUG("got header")
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DEBUG(string.format("%u: got header", idx))
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have_header = true
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header_lines = split(header, "[^\r\n]+")
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-- blocking for reply
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@ -311,14 +315,14 @@ local function Client(_sock, _idx)
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-- get size of a file
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function self.file_size(fname)
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DEBUG(string.format("size of '%s'", fname))
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DEBUG(string.format("%u: size of '%s'", idx, fname))
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local f = io.open(fname, "rb")
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if not f then
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return -1
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end
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local ret = f:seek("end")
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f:close()
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DEBUG(string.format("size of '%s' -> %u", fname, ret))
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DEBUG(string.format("%u: size of '%s' -> %u", idx, fname, ret))
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return ret
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end
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@ -327,7 +331,7 @@ local function Client(_sock, _idx)
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return full path with .. resolution
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--]]
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function self.full_path(path, name)
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DEBUG(string.format("full_path(%s,%s)", path, name))
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DEBUG(string.format("%u: full_path(%s,%s)", idx, path, name))
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local ret = path
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if path == "/" and startswith(name,"@") then
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return name
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@ -349,15 +353,16 @@ local function Client(_sock, _idx)
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ret = ret .. "/"
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end
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ret = ret .. name
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DEBUG(string.format("full_path(%s,%s) -> %s", path, name, ret))
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DEBUG(string.format("%u: full_path(%s,%s) -> %s", idx, path, name, ret))
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return ret
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end
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function self.directory_list(path)
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sock:set_blocking(true)
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if startswith(path, "/@") then
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path = string.sub(path, 2, #path-1)
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end
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DEBUG(string.format("directory_list(%s)", path))
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DEBUG(string.format("%u: directory_list(%s)", idx, path))
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local dlist = dirlist(path)
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if not dlist then
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dlist = {}
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@ -412,14 +417,27 @@ local function Client(_sock, _idx)
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-- send file content
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function self.send_file()
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if not sock:pollout(0) then
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return
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end
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local chunk = WEB_BLOCK_SIZE:get()
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local b = file:read(chunk)
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sock:set_blocking(true)
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if b and #b > 0 then
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sock:send(b, #b)
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local sent = sock:send(b, #b)
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if sent == -1 then
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run = nil
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self.remove()
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return
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end
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if sent < #b then
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file:seek(offset+sent)
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end
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offset = offset + sent
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end
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if not b or #b < chunk then
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-- EOF
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DEBUG("sent file")
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DEBUG(string.format("%u: sent file", idx))
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run = nil
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self.remove()
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return
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@ -469,6 +487,7 @@ local function Client(_sock, _idx)
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process a file as a lua CGI
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--]]
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function self.send_cgi()
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sock:set_blocking(true)
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local contents = self.load_file()
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local s = self.evaluate(contents)
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if s then
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@ -487,6 +506,7 @@ local function Client(_sock, _idx)
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automatically
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--]]
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function self.send_processed_file()
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sock:set_blocking(true)
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local contents = self.load_file()
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while #contents > 0 do
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local pat1 = "(.-)[<][?]lua[ \n](.-)[?][>](.*)"
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@ -526,10 +546,10 @@ local function Client(_sock, _idx)
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if startswith(path, "/@") then
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path = string.sub(path, 2, #path)
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end
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DEBUG(string.format("file_download(%s)", path))
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DEBUG(string.format("%u: file_download(%s)", idx, path))
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file = io.open(path,"rb")
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if not file then
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DEBUG(string.format("Failed to open '%s'", path))
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DEBUG(string.format("%u: Failed to open '%s'", idx, path))
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return false
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end
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local vars = {["Content-Type"]=self.content_type(path)}
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@ -541,10 +561,10 @@ local function Client(_sock, _idx)
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end
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self.send_header(200, "OK", vars)
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if server_side_processing then
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DEBUG(string.format("shtml processing %s", path))
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DEBUG(string.format("%u: shtml processing %s", idx, path))
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run = self.send_processed_file
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elseif cgi_processing then
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DEBUG(string.format("CGI processing %s", path))
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DEBUG(string.format("%u: CGI processing %s", idx, path))
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run = self.send_cgi
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else
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run = self.send_file
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@ -561,7 +581,7 @@ local function Client(_sock, _idx)
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relpath = "/" .. relpath
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end
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local location = string.format("http://%s%s", header_vars['Host'], relpath)
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DEBUG(string.format("Redirect -> %s", location))
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DEBUG(string.format("%u: Redirect -> %s", idx, location))
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self.send_header(301, "Moved Permanently", {["Location"]=location})
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end
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@ -569,7 +589,7 @@ local function Client(_sock, _idx)
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function self.process_request()
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local h1 = header_lines[1]
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if not h1 or #h1 == 0 then
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DEBUG("empty request")
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DEBUG(string.format("%u: empty request", idx))
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return
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end
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local cmd = split(header_lines[1], "%S+")
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@ -587,13 +607,15 @@ local function Client(_sock, _idx)
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return
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end
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local path = cmd[2]
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DEBUG(string.format("path='%s'", path))
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DEBUG(string.format("%u: path='%s'", idx, path))
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-- extract header variables
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for i = 2,#header_lines do
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local key, var = string.match(header_lines[i], '(.*): (.*)')
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if key then
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header_vars[key] = var
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end
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end
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if isdirectory(path) and not endswith(path,"/") and header_vars['Host'] and not is_hidden_dir(path) then
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self.moved_permanently(path .. "/")
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@ -610,7 +632,7 @@ local function Client(_sock, _idx)
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-- see if we have an index file
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if isdirectory(path) and file_exists(path .. "/index.html") then
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DEBUG("found index.html")
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DEBUG(string.format("%u: found index.html", idx))
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if self.file_download(path .. "/index.html") then
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return
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end
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@ -647,7 +669,7 @@ local function Client(_sock, _idx)
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end
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function self.remove()
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DEBUG(string.format("Removing client %u", idx))
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DEBUG(string.format("%u: removing client OFFSET=%u", idx, offset))
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sock:close()
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self.closed = true
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end
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@ -660,14 +682,22 @@ end
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see if any new clients want to connect
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--]]
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local function check_new_clients()
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while true do
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local sock = sock_listen:accept()
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if sock then
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if not sock then
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return
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end
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-- non-blocking for header read
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sock:set_blocking(false)
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local idx = #clients+1
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-- find free client slot
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for i = 1, #clients+1 do
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if clients[i] == nil then
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local idx = i
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local client = Client(sock, idx)
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DEBUG(string.format("New client %u", idx))
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table.insert(clients, client)
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DEBUG(string.format("%u: New client", idx))
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clients[idx] = client
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end
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end
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end
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end
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@ -686,9 +716,9 @@ local function check_clients()
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end
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local function update()
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check_clients()
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check_new_clients()
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return update,1
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check_clients()
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return update,5
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end
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return update,100
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