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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 02:57:58 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 02:57:58 +0000 |
| commit | be1c7e50e1e8809ea56f2c9d472eccd8ffd73a97 (patch) | |
| tree | 9754ff1ca740f6346cf8483ec915d4054bc5da2d /ml/dlib/examples/server_http_ex.cpp | |
| parent | Initial commit. (diff) | |
| download | netdata-be1c7e50e1e8809ea56f2c9d472eccd8ffd73a97.tar.xz netdata-be1c7e50e1e8809ea56f2c9d472eccd8ffd73a97.zip | |
Adding upstream version 1.44.3.upstream/1.44.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'ml/dlib/examples/server_http_ex.cpp')
| -rw-r--r-- | ml/dlib/examples/server_http_ex.cpp | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/ml/dlib/examples/server_http_ex.cpp b/ml/dlib/examples/server_http_ex.cpp new file mode 100644 index 00000000..99914c14 --- /dev/null +++ b/ml/dlib/examples/server_http_ex.cpp @@ -0,0 +1,108 @@ +// The contents of this file are in the public domain. See LICENSE_FOR_EXAMPLE_PROGRAMS.txt +/* + + This example illustrates the use of the HTTP extension to the server object + from the dlib C++ Library. + It creates a server that always responds with a simple HTML form. + + To view the page this program displays you should go to http://localhost:5000 + +*/ + +#include <iostream> +#include <sstream> +#include <string> +#include <dlib/server.h> + +using namespace dlib; +using namespace std; + +class web_server : public server_http +{ + const std::string on_request ( + const incoming_things& incoming, + outgoing_things& outgoing + ) + { + ostringstream sout; + // We are going to send back a page that contains an HTML form with two text input fields. + // One field called name. The HTML form uses the post method but could also use the get + // method (just change method='post' to method='get'). + sout << " <html> <body> " + << "<form action='/form_handler' method='post'> " + << "User Name: <input name='user' type='text'><br> " + << "User password: <input name='pass' type='text'> <input type='submit'> " + << " </form>"; + + // Write out some of the inputs to this request so that they show up on the + // resulting web page. + sout << "<br> path = " << incoming.path << endl; + sout << "<br> request_type = " << incoming.request_type << endl; + sout << "<br> content_type = " << incoming.content_type << endl; + sout << "<br> protocol = " << incoming.protocol << endl; + sout << "<br> foreign_ip = " << incoming.foreign_ip << endl; + sout << "<br> foreign_port = " << incoming.foreign_port << endl; + sout << "<br> local_ip = " << incoming.local_ip << endl; + sout << "<br> local_port = " << incoming.local_port << endl; + sout << "<br> body = \"" << incoming.body << "\"" << endl; + + + // If this request is the result of the user submitting the form then echo back + // the submission. + if (incoming.path == "/form_handler") + { + sout << "<h2> Stuff from the query string </h2>" << endl; + sout << "<br> user = " << incoming.queries["user"] << endl; + sout << "<br> pass = " << incoming.queries["pass"] << endl; + + // save these form submissions as cookies. + outgoing.cookies["user"] = incoming.queries["user"]; + outgoing.cookies["pass"] = incoming.queries["pass"]; + } + + + // Echo any cookies back to the client browser + sout << "<h2>Cookies the web browser sent to the server</h2>"; + for ( key_value_map::const_iterator ci = incoming.cookies.begin(); ci != incoming.cookies.end(); ++ci ) + { + sout << "<br/>" << ci->first << " = " << ci->second << endl; + } + + sout << "<br/><br/>"; + + sout << "<h2>HTTP Headers the web browser sent to the server</h2>"; + // Echo out all the HTTP headers we received from the client web browser + for ( key_value_map_ci::const_iterator ci = incoming.headers.begin(); ci != incoming.headers.end(); ++ci ) + { + sout << "<br/>" << ci->first << ": " << ci->second << endl; + } + + sout << "</body> </html>"; + + return sout.str(); + } + +}; + +int main() +{ + try + { + // create an instance of our web server + web_server our_web_server; + + // make it listen on port 5000 + our_web_server.set_listening_port(5000); + // Tell the server to begin accepting connections. + our_web_server.start_async(); + + cout << "Press enter to end this program" << endl; + cin.get(); + } + catch (exception& e) + { + cout << e.what() << endl; + } +} + + |