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Slightly improved default_resource example

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This commit is contained in:
eidheim 2017-07-04 14:11:49 +02:00
commit 57a0c83f64
2 changed files with 44 additions and 44 deletions
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46
http_examples.cpp
View file

@ -22,9 +22,6 @@ using namespace boost::property_tree;
typedef SimpleWeb::Server<SimpleWeb::HTTP> HttpServer;
typedef SimpleWeb::Client<SimpleWeb::HTTP> HttpClient;
//Added for the default_resource example
void default_resource_send(const shared_ptr<HttpServer::Response> &response, const shared_ptr<ifstream> &ifs);
int main() {
//HTTP-server at port 8080 using 1 thread
//Unless you do more heavy non-threaded processing in the resources,
@ -126,7 +123,7 @@ int main() {
};
//Get example simulating heavy work in a separate thread
server->resource["^/work$"]["GET"] = [](shared_ptr<HttpServer::Response> response, shared_ptr<HttpServer::Request> /*request*/) {
server->resource["^/work$"]["GET"] = [](shared_ptr<HttpServer::Response> response, shared_ptr<HttpServer::Request> /*request*/) {
thread work_thread([response] {
this_thread::sleep_for(chrono::seconds(5));
response->write("Work done");
@ -183,7 +180,27 @@ int main() {
header.emplace("Content-Length", to_string(length));
response->write(header);
default_resource_send(response, ifs);
class FileServer {
public:
static void read_and_send(const shared_ptr<HttpServer::Response> &response, const shared_ptr<ifstream> &ifs) {
//read and send 128 KB at a time
static vector<char> buffer(131072); // Safe when server is running on one thread
streamsize read_length;
if((read_length = ifs->read(&buffer[0], buffer.size()).gcount()) > 0) {
response->write(&buffer[0], read_length);
if(read_length == static_cast<streamsize>(buffer.size())) {
response->send([response, ifs](const SimpleWeb::error_code &ec) {
if(!ec)
read_and_send(response, ifs);
else
cerr << "Connection interrupted" << endl;
});
}
}
}
};
FileServer::read_and_send(response, ifs);
}
else
throw invalid_argument("could not read file");
@ -193,7 +210,7 @@ int main() {
}
};
server->on_error = [](shared_ptr<HttpServer::Request> /*request*/, const SimpleWeb::error_code /*ec*/) {
server->on_error = [](shared_ptr<HttpServer::Request> /*request*/, const SimpleWeb::error_code /*ec*/) {
// handle errors here
};
@ -226,20 +243,3 @@ int main() {
server_thread.join();
}
void default_resource_send(const shared_ptr<HttpServer::Response> &response, const shared_ptr<ifstream> &ifs) {
//read and send 128 KB at a time
static vector<char> buffer(131072); // Safe when server is running on one thread
streamsize read_length;
if((read_length = ifs->read(&buffer[0], buffer.size()).gcount()) > 0) {
response->write(&buffer[0], read_length);
if(read_length == static_cast<streamsize>(buffer.size())) {
response->send([response, ifs](const SimpleWeb::error_code &ec) {
if(!ec)
default_resource_send(response, ifs);
else
cerr << "Connection interrupted" << endl;
});
}
}
}

42
https_examples.cpp
View file

@ -20,9 +20,6 @@ using namespace boost::property_tree;
typedef SimpleWeb::Server<SimpleWeb::HTTPS> HttpsServer;
typedef SimpleWeb::Client<SimpleWeb::HTTPS> HttpsClient;
//Added for the default_resource example
void default_resource_send(const shared_ptr<HttpsServer::Response> &response, const shared_ptr<ifstream> &ifs);
int main() {
//HTTPS-server at port 8080 using 1 thread
//Unless you do more heavy non-threaded processing in the resources,
@ -181,7 +178,27 @@ int main() {
header.emplace("Content-Length", to_string(length));
response->write(header);
default_resource_send(response, ifs);
class FileServer {
public:
static void read_and_send(const shared_ptr<HttpsServer::Response> &response, const shared_ptr<ifstream> &ifs) {
//read and send 128 KB at a time
static vector<char> buffer(131072); // Safe when server is running on one thread
streamsize read_length;
if((read_length = ifs->read(&buffer[0], buffer.size()).gcount()) > 0) {
response->write(&buffer[0], read_length);
if(read_length == static_cast<streamsize>(buffer.size())) {
response->send([response, ifs](const SimpleWeb::error_code &ec) {
if(!ec)
read_and_send(response, ifs);
else
cerr << "Connection interrupted" << endl;
});
}
}
}
};
FileServer::read_and_send(response, ifs);
}
else
throw invalid_argument("could not read file");
@ -225,20 +242,3 @@ int main() {
server_thread.join();
}
void default_resource_send(const shared_ptr<HttpsServer::Response> &response, const shared_ptr<ifstream> &ifs) {
//read and send 128 KB at a time
static vector<char> buffer(131072); // Safe when server is running on one thread
streamsize read_length;
if((read_length = ifs->read(&buffer[0], buffer.size()).gcount()) > 0) {
response->write(&buffer[0], read_length);
if(read_length == static_cast<streamsize>(buffer.size())) {
response->send([response, ifs](const SimpleWeb::error_code &ec) {
if(!ec)
default_resource_send(response, ifs);
else
cerr << "Connection interrupted" << endl;
});
}
}
}