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Updated hello_world server example, fixes #624 #630

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Apr 9, 2016
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Updated hello_world server example, fixes #624 #630

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16 changes: 6 additions & 10 deletions libs/network/doc/examples/http/hello_world_server.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -27,15 +27,12 @@ simple response to any HTTP request.
typedef http::server<hello_world> server;

struct hello_world {
void operator()(server::request const &request, server::response &response) {
void operator()(server::request const &request, server::connection_ptr connection) {
server::string_type ip = source(request);
unsigned int port = request.source_port;
std::ostringstream data;
data << "Hello, " << ip << ':' << port << '!';
response = server::response::stock_reply(server::response::ok, data.str());
}
void log(const server::string_type& message) {
std::cerr << "ERROR: " << message << std::endl;
connection->write(data.str());
}
};

Expand Down Expand Up @@ -103,22 +100,21 @@ This header contains all the code needed to develop an HTTP server with
typedef http::server<hello_world> server;

struct hello_world {
void operator()(server::request const &request, server::response &response) {
void operator()(server::request const &request, server::connection_ptr connection) {
server::string_type ip = source(request);
unsigned int port = request.source_port;
std::ostringstream data;
data << "Hello, " << ip << ':' << port << '!';
response = server::response::stock_reply(server::response::ok, data.str());
}
void log(const server::string_type& message) {
std::cerr << "ERROR: " << message << std::endl;
connection->write(data.str());
}
};

``hello_world`` is a functor class which handles HTTP requests.
All the operator does here is return an HTTP response with HTTP code 200
and the body ``"Hello, <ip>:<port>!"``. The ``<ip>`` in this case would be
the IP address of the client that made the request and ``<port>`` the clients port.
If you like to send an other status have a look at the function
``set_status(status_t status)`` from connection.

There are a number of pre-defined stock replies differentiated by
status code with configurable bodies.
Expand Down