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add ws/wss server and client support

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zixun
2019-07-20 06:02:36 -07:00
committed by 云风
parent 80d1082b42
commit 81a7c44a05
4 changed files with 637 additions and 76 deletions
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77
lualib/http/httpc.lua
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@@ -8,81 +8,6 @@ local table = table
local httpc = {}
local function request(interface, method, host, url, recvheader, header, content)
local read = interface.read
local write = interface.write
local header_content = ""
if header then
if not header.host then
header.host = host
end
for k,v in pairs(header) do
header_content = string.format("%s%s:%s\r\n", header_content, k, v)
end
else
header_content = string.format("host:%s\r\n",host)
end
if content then
local data = string.format("%s %s HTTP/1.1\r\n%scontent-length:%d\r\n\r\n", method, url, header_content, #content)
write(data)
write(content)
else
local request_header = string.format("%s %s HTTP/1.1\r\n%scontent-length:0\r\n\r\n", method, url, header_content)
write(request_header)
end
local tmpline = {}
local body = internal.recvheader(read, tmpline, "")
if not body then
error(socket.socket_error)
end
local statusline = tmpline[1]
local code, info = statusline:match "HTTP/[%d%.]+%s+([%d]+)%s+(.*)$"
code = assert(tonumber(code))
local header = internal.parseheader(tmpline,2,recvheader or {})
if not header then
error("Invalid HTTP response header")
end
local length = header["content-length"]
if length then
length = tonumber(length)
end
local mode = header["transfer-encoding"]
if mode then
if mode ~= "identity" and mode ~= "chunked" then
error ("Unsupport transfer-encoding")
end
end
if mode == "chunked" then
body, header = internal.recvchunkedbody(read, nil, header, body)
if not body then
error("Invalid response body")
end
else
-- identity mode
if length then
if #body >= length then
body = body:sub(1,length)
else
local padding = read(length - #body)
body = body .. padding
end
elseif code == 204 or code == 304 or code < 200 then
body = ""
-- See https://stackoverflow.com/questions/15991173/is-the-content-length-header-required-for-a-http-1-0-response
else
-- no content-length, read all
body = body .. interface.readall()
end
end
return code, body
end
local async_dns
@@ -172,7 +97,7 @@ function httpc.request(method, host, url, recvheader, header, content)
if interface.init then
interface.init()
end
local ok , statuscode, body = pcall(request, interface, method, host, url, recvheader, header, content)
local ok , statuscode, body = pcall(internal.request, interface, method, host, url, recvheader, header, content)
finish = true
socket.close(fd)
if interface.close then