Mercurial > repos > tabletprog
view modules/http.tp @ 157:55e0dca7d3d7
Partial implementation of HTTP get requests
author | Mike Pavone <pavone@retrodev.com> |
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date | Sat, 10 Aug 2013 15:06:56 -0700 |
parents | 075b1e71feff |
children | d81de309a51f |
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{ response <- :_headers _status _sock _data { _open? <- true _body <- "" _length <- int32: (_headers get: "Content-Length" withDefault: "-1") _chunked? <- (_headers get: "Transfer-Encoding" withDefault: "") = "chunked" _code <- int32: _status #{ headers <- { _headers } status <- { _status } statusCode <- { _code } body <- { if: _open? { if: _chunked? { } else: { if: _length >= 0 { _body <- _data . (_sock recvAll: (_length - (_data byte_length))) } else: { chunk <- "" while: { chunk <- _sock recv: 4096 (chunk length) > 0 } do: { _data <- _data . chunk } _body <- _data } } _data <- "" close } _body } close <- { if: _open? { _sock close _open? <- false } } } } #{ client:usingPort <- :address :port{ #{ get <- :path { sock <- socket connectTo: address onPort: port sock send: "GET " . path . " HTTP/1.1\r\nHost: " . address . "\r\n\r\n" resp <- "" waiting <- true headerText <- "" rest <- "" status <- "" while: { waiting } do: { data <- sock recv 4096 resp <- resp . data pos <- resp find: "\r\n\r\n" else: { -1 } if: pos >= 0 { waiting <- false statusEnd <- resp find: "\r\n" else: { 0 } statusStart <- (resp find: " " else: { 0 }) + 1 status <- resp from: statusStart withLength: (statusEnd - statusStart) headerText <- resp from: statusEnd + 2 withLength: pos - (statusEnd + 2) rest <- resp from: pos + 4 } } headers <- (headerText splitOn: "\r\n") fold: (dict linear) with: :acc curLine{ //TODO: support multiple headers with the same name part <- curLine partitionOn: ":" acc set: (trim: (part before)) (trim: (part after)) } response: headers status sock rest } } } client <- :address { client: address usingPort: 80 } } }