Hello Gerald,
I recomend to use tntnet as a http server. The cxxtools http server is more
limited. But if it is sufficient for you, you can go for it. It is due to the
limitations even faster than tntnet.
Let me answer the second question first, since it is just easier. To convert
http query parameters you have to use one of the parse_url methods in
QueryParams. Like this (untested):
void MyResponder::reply(std::ostream& out, cxxtools::http::Request& request,
cxxtools::http::Reply& reply)
{
cxxtools::QueryParams q;
if (request.method() == "POST")
q.parse_url(request.bodyStr());
else
q.parse_url(request.qparams());
std::string parameterA = q.param("A");
...
The json formatter uses the serialization framework of cxxtools as mentioned
in the xmlrpc article. Lets assume, we want to serialize a std::vector of
MyStruct elements like in the example. It goes like this:
void MyResponder::reply(std::ostream& out, cxxtools::http::Request& request,
cxxtools::http::Reply& reply)
{
std::vector<MyStruct> theStructs = fetchFromSomewhere();
// the serializer writes the result to a std::ostream. To get the result to
// a std::string you may use a std::ostringstream
cxxtools::JsonSerializer serializer(reply.body());
serializer.serialize(theStructs, "theStructs");
serializer.finish();
}
Now you get a json object, with a object with the name "theStructs". To access
the object in javascript you may use something like:
theJsonObject.theStructs[2].aValue;
theJsonObject.theStructs[14].aList[6];
The javascript object has no unnecessary whitespace so it will be somewhat
hard to read if you look at it. It may be useful to format it nicer. This can
be done using the beautify flag in the json formatter. Then it looks like this:
cxxtools::JsonSerializer serializer;
serializer.beautify(true);
serializer.begin(reply.body());
Tommi
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