drakma-devel

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182 discussions

[drakma-devel] Problem abouth POST HTTP request
by Nicolas Lamirault 18 Sep '07

18 Sep '07

hi, i've got this request : $> curl --data '{"author":"nicolas"}' http://localhost:8888/test -H "application/json" {"ok":true,"_id":"C97DCFBF09D32461D60F0D30BF3E807C","_rev":555997582}% i would like to make the same request using Drakma : CL-USER> (drakma:http-request "http://localhost:8888/test" :method :post :form-data t :external-format-out :UTF-8 :parameters '(("author" . "nicolas"))) POST /test HTTP/1.1 Host: localhost:8888 User-Agent: Drakma/0.9.1 (SBCL 1.0; Linux; 2.6.15-23-686; http://weitz.de/drakma/) Accept: */* Connection: close Content-Type: multipart/form-data; boundary=----------sUTYSe7i1UX7ONyEB68U4BbXyx2TZYZ0x1Qmx4vCVWyI9Bpb92 Content-Length: 188 HTTP/1.1 500 Internal Server Error Server: inets/develop Date: Tue, 18 Sep 2007 10:54:03 GMT Cache-Control: no-cache Pragma: no-cache Expires: Tue, 18 Sep 2007 10:54:03 GMT Damien: awesome Content-Type: text/plain; charset=utf-8 Transfer-Encoding: chunked Connection:close "{\"error\":{\"id\":\"EXIT\",\"reason\":\"{function_clause,[{cjson,tokenize_number,[[45,45,45,45,45,45,45,45,45,45,45,115,85,84,89,83,101,55,105,49,85,88,55,79,78,121,69,66,54,56,85,52,66,98,88,121,120,50,84,90,89,90,48,120,49,81,109,120,52,118,67,86,87,121,73,57,66,112,98,57,50,13,10,67,111,110,116,101,110,116,45,68,105,115,112,111,115,105,116,105,111,110,58,32,102,111,114,109,45,100,97,116,97,59,32,110,97,109,101,61,34,97,117,116,104,111,114,34,13,10,13,10,110,105,99,111,108,97,115,13,10,45,45,45,45,45,45,45,45,45,45,45,45,115,85,84,89,83,101,55,105,49,85,88,55,79,78,121,69,66,54,56,85,52,66,98,88,121,120,50,84,90,89,90,48,120,49,81,109,120,52,118,67,86,87,121,73,57,66,112,98,57,50,45,45,13,10],int,{decoder,utf8,null,1,2,any},[45]]},{cjson,tokenize,2},{cjson,decode1,2},{cjson,json_decode,2},{mod_couch,handle_db_request,3},{mod_couch,do,1},{httpd_response,traverse_modules,2},{httpd_response,generate_and_send_response,1}]}\"}}" 500 ((:SERVER . "inets/develop") (:DATE . "Tue, 18 Sep 2007 10:54:03 GMT") (:CACHE-CONTROL . "no-cache") (:PRAGMA . "no-cache") (:EXPIRES . "Tue, 18 Sep 2007 10:54:03 GMT") (:DAMIEN . "awesome") (:CONTENT-TYPE . "text/plain; charset=utf-8") (:TRANSFER-ENCODING . "chunked") (:CONNECTION . "close")) #<PURI:URI http://localhost:8888/test> #<FLEXI-STREAMS:FLEXI-IO-STREAM {BFB70A1}> T "Internal Server Error" i've got an error code 500. Due to a bad request i think. Someon knows what error i did in this request ? thanks. -- Nicolas Lamirault

2 4

[drakma-devel] New Chunga release 0.4.0
by Edi Weitz 18 Sep '07

18 Sep '07

ChangeLog: Version 0.4.0 2007-09-18 Added *TREAT-SEMICOLON-AS-CONTINUATION* [Note that Chunga's behaviour will be incompatible with previous versions in the rare case that you're reading headers which end with a semicolon. Use this variable to override.] Download: http://weitz.de/files/chunga.tar.gz

1 0

[drakma-devel] New Chunga release 0.3.1
by Edi Weitz 06 Sep '07

06 Sep '07

ChangeLog: Version 0.3.1 2007-09-07 Fixed bug in STREAM-LISTEN Download: http://weitz.de/files/chunga.tar.gz

1 0

[drakma-devel] Language preferences in Drakma
by Didier Verna 13 Jul '07

13 Jul '07

Hi ! Is it possible to set language preferences in drakma, as ordinary browsers let you choose from their preference menu ? I guess so, but I don't know how it work in the protocol, so I thought I'd ask here. Thanks. -- MySpace: http://www.myspace.com/didierverna Didier Verna, didier(a)lrde.epita.fr, http://www.lrde.epita.fr/~didier EPITA / LRDE, 14-16 rue Voltaire Tel.+33 (1) 44 08 01 85 94276 Le Kremlin-Bicêtre, France Fax.+33 (1) 53 14 59 22 didier(a)xemacs.org

2 1

[drakma-devel] faster cl+ssl
by David Lichteblau 12 Jul '07

12 Jul '07

Hi, the attached patch optimizes the way CL+SSL is used. It by-passes the Lisp socket stream and writes directly to the file descriptor (which helps a lot on some Lisp implementations because CL+SSL's BIO for Lisp streams appears to have some speed issues). (However, it needs the very latest release of CL+SSL.) d.

2 1

[drakma-devel] Problem with pipelined requests
by Didier Verna 09 Jul '07

09 Jul '07

Hello, I think this question has more to do with Slime, but I'm Cc'ing Drakma because it might be related. I'm in a situation where drakma:http-request seems to get stuck as soon as I want to retreive the BODY of a request. To simplify consider something like this: (defun foo () (multiple-value-bind (body status headers from-uri from-stream must-close reason) (http-request ...) (values body headers))) With *header-stream* set to standard output, I can see the transaction going on until the end, but then the Slime repl doesn't return. I can type comma and then slime commands, C-c C-c has no effect, and if I type something in the repl buffer, I get this on the XEmacs minibuffer window: ; pipelined request... (swank:listener-eval " ") (note the CR) On the contrary, if I comment out the (values ...) form in my function, the request completes and Slime gives me the prompt back. Any hint on what's going on would be appreciated. And BTW, how do I get of such a situation in Slime ? Thanks ! -- MySpace: http://www.myspace.com/didierverna Didier Verna, didier(a)lrde.epita.fr, http://www.lrde.epita.fr/~didier EPITA / LRDE, 14-16 rue Voltaire Tel.+33 (1) 44 08 01 85 94276 Le Kremlin-Bicêtre, France Fax.+33 (1) 53 14 59 22 didier(a)xemacs.org

3 4

[drakma-devel] Two problems with cookies expiry dates format
by Didier Verna 05 Jul '07

05 Jul '07

Hello, I've run into 2 formats that parse-cookie-date can't currently handle: - the first one looks like this: "Sun, 18 Jun 2006 04:01:09 GMT-07:00" I presume it means GMT minus 7 hours. - the second one is almost one of the recognized formats, except that it says PDT (Pacific Daylight Time AFAIK) instead of GMT. Note that I have no idea if these formats are standard or not. I just ran into them... -- Didier Verna, didier(a)lrde.epita.fr, http://www.lrde.epita.fr/~didier EPITA / LRDE, 14-16 rue Voltaire Tel.+33 (1) 44 08 01 85 94276 Le Kremlin-Bicêtre, France Fax.+33 (1) 53 14 59 22 didier(a)xemacs.org

2 3

[drakma-devel] Status text from request (re-post)
by H Duerer 29 Jun '07

29 Jun '07

Hi, sorry about that first email -- I am still learning gmail and hadn't realised I was rudely sending HTML. Trying again in plain text: We have a web server giving Json responses. For proper failures it returns a non-200 status code and a failure description in the status message (e.g. the status line reads "HTTP/1.0 400 Empty method name". AFAICS this status message is not passed through by Drakma's http-request. I locally made the attached changes (doing so, I found that read-status-line added the leading separating whitespace to its third value; I fixed that as well). Any chance of having this or some other means to get to the message in the official code? Holger diff -rN -u old-drakma/read.lisp new-drakma/read.lisp --- old-drakma/read.lisp 2007-06-27 12:23:17.000000000 +0100 +++ new-drakma/read.lisp 2007-06-27 12:23:17.000000000 +0100 @@ -55,7 +55,7 @@ :start (1+ first-space-pos) :end second-space-pos)) (error "Status code in ~S is not an integer." line)) - (and second-space-pos (subseq line second-space-pos))))) + (and second-space-pos (subseq line (1+ second-space-pos)))))) (defun get-content-type (headers) "Reads and parses a `Content-Type' header and returns it as @@ -124,4 +124,4 @@ (trim-whitespace (subseq string (1+ old-position) position))) while old-position when (plusp (length substring)) - collect substring)) \ No newline at end of file + collect substring)) diff -rN -u old-drakma/request.lisp new-drakma/request.lisp --- old-drakma/request.lisp 2007-06-27 12:23:17.000000000 +0100 +++ new-drakma/request.lisp 2007-06-27 12:23:17.000000000 +0100 @@ -172,15 +172,15 @@ URI is where the request is sent to, and it is either a string denoting a uniform resource identifier or a PURI:URI object. The scheme of URI must be `http' or `https'. The function returns -SIX values - the body of the reply \(but see below), the status +SEVEN values - the body of the reply \(but see below), the status code as an integer, an alist of the headers sent by the server where for each element the car \(the name of the header) is a keyword and the cdr \(the value of the header) is a string, the URI the reply comes from \(which might be different from the URI the request was sent to in case of redirects), the stream the -reply was read from, and a generalized boolean which denotes +reply was read from, a generalized boolean which denotes whether the stream should be closed \(and which you can usually -ignore). +ignore), and the message text from the response line. PROTOCOL is the HTTP protocol which is going to be used in the request line, it must be one of the keywords :HTTP/1.0 or @@ -512,15 +512,15 @@ (setf (chunked-stream-output-chunking-p (flexi-stream-stream http-stream)) nil) (finish-output http-stream) - (multiple-value-bind (server-protocol status-code) + (multiple-value-bind (server-protocol status-code status-text) ;; loop until status is NOT 100 - (loop for (server-protocol status-code nil) + (loop for (server-protocol status-code status-text) = (read-status-line http-stream *header-stream*) when (= status-code 100) ;; ignore headers sent until non-100 status is seen do (read-http-headers http-stream *header-stream*) until (/= status-code 100) - finally (return (values server-protocol status-code))) + finally (return (values server-protocol status-code status-text))) (let ((headers (read-http-headers http-stream *header-stream*)) body external-format-body) (let ((connections (header-value :connection headers))) @@ -631,7 +631,8 @@ headers uri http-stream - must-close))))) + must-close + status-text))))) (when (eq content :continuation) (return-from http-request #'finish-request)) (finish-request content))))

2 1

[drakma-devel] Status text from a requst
by H Duerer 27 Jun '07

27 Jun '07

Hi, we have a web server giving Json responses. For proper failures it returns a non-200 status code and a failure description in the status message (e.g. the status line reads "HTTP/1.0 400 Empty method name". AFAICS this status message is not passed through by Drakma's http-request. I locally made the attached changes (doing so, I found that read-status-line added the leading separating whitespace to its third value; I fixed that as well). Any chance of having this or some other means to get to the message in the official code? Holger

1 0

[drakma-devel] File uploading: adding streams and functions to the list of parameters #2
by Andrei Stebakov 17 Jun '07

17 Jun '07

I changed the pathname to file-source (after giving it some thinking and asking for help from the lisp NG, sorry if it's not the best), removed the *header-stream* related modifications, removed the tabs, updated the doc-string for http-request and the html file. (for some reason Edi's response to my previous patch didn't make to my email, which is why my new message may not be part of the original thread) Thank you, Andrew

2 1

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