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pica/server/server.cpp

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#include "server.h"
constexpr static const char* REQUEST_URI("REQUEST_URI");
constexpr static const char* DOCUMENT_URI("DOCUMENT_URI");
constexpr static const char* DOCUMENT_ROOT("DOCUMENT_ROOT");
constexpr static const char* SCRIPT_NAME("SCRIPT_NAME");
constexpr static const char* SCRIPT_FILENAME("SCRIPT_FILENAME");
Server::Server():
terminating(false),
requestCount(0),
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serverName(std::nullopt),
router()
{
router.addRoute("info", Server::info);
router.addRoute("env", Server::printEnvironment);
}
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Server::~Server() {}
void Server::run(int socketDescriptor) {
while (!terminating) {
std::unique_ptr<Request> request = std::make_unique<Request>();
bool result = request->wait(socketDescriptor);
if (!result) {
std::cerr << "Error accepting a request" << std::endl;
return;
}
handleRequest(std::move(request));
}
}
void Server::handleRequest(std::unique_ptr<Request> request) {
++requestCount;
if (!serverName) {
try {
serverName = request->getServerName();
std::cout << "received server name " << serverName.value() << std::endl;
} catch (...) {
std::cerr << "failed to read server name" << std::endl;
Response error(Response::Status::internalError);
error.replyTo(*request.get());
return;
}
}
if (!request->isGet()) {
static const Response methodNotAllowed(Response::Status::methodNotAllowed);
methodNotAllowed.replyTo(*request.get());
return;
}
try {
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std::string path = request->getPath(serverName.value());
router.route(path.data(), std::move(request));
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} catch (const std::exception e) {
Response error(Response::Status::internalError);
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error.setBody(std::string(e.what()));
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error.replyTo(*request.get());
}
}
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bool Server::printEnvironment(Request* request) {
nlohmann::json body = nlohmann::json::object();
request->printEnvironment(body);
Response res;
res.setBody(body);
res.replyTo(*request);
return true;
}
bool Server::info(Request* request) {
Response res;
nlohmann::json body = nlohmann::json::object();
body["type"] = "Pica";
body["version"] = "0.0.1";
res.setBody(body);
res.replyTo(*request);
return true;
}