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C. URL-Commands
Style convention
In URL syntax and in descriptions of CGI parameters, a text within angle brackets denotes a content
that is to be replaced with either a value or a string. When replacing the text string also the angle
brackets shall be replaced. An example of this is the description of the name for the server, denoted
with <servername> in the URL syntax description below, that is replaced with the string myserver in
the URL syntax example, also below.
URL syntax' are written with the "Syntax:" word written in bold face followed by a box with the referred
syntax as seen below. The name of the server is written as <servername>. This is intended to be
replaced with the name of the actual server. This can either be a name, e.g., "mywebcam" or
"thecam.adomain.net" or the associated IP number for the server, e.g., 192.168.0.220.
Special note will be marked as
RED
words to take care.
Syntax:
http://<servername>/cgi-bin/viewer/video.jpg
Description of returned data is written with "Return:" in bold face followed by the returned data in a
box. All data returned as HTTP formatted, i.e., starting with the string HTTP is line separated with a
Carriage Return and Line Feed (CRLF) printed as \r\n.
Return:
HTTP/1.0 <HTTP code> <HTTP text>\r\n
URL syntax examples are written with "Example:" in bold face followed by a short description and a
light grey box with the example.
Example: request a single snapshot image
http://mywebserver/cgi-bin/viewer/video.jpg
General CGI URL syntax and parameters
CGI parameters are written in lower-case and as one word without any underscores or other
separators. When the CGI request includes internal camera parameters, the internal parameters must
be written exactly as they are named in the camera or video server. The CGIs are organized in
function related directories under the cgi-bin directory. The file extension of the CGI is required.
Syntax:
http://<servername>/cgi-bin/<subdir>[/<subdir>...]/<cgi>.<ext>
[?<parameter>=<value>[&<parameter>=<value>...]]
Example: Setting digital output #1 to active
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