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-rw-r--r--apps/apps.h69
1 files changed, 60 insertions, 9 deletions
diff --git a/apps/apps.h b/apps/apps.h
index f3d6eae..9173ae0 100644
--- a/apps/apps.h
+++ b/apps/apps.h
@@ -8,6 +8,8 @@
#include <iosfwd>
#include <experimental/optional>
#include <json.hpp>
+#include <mutex>
+#include <condition_variable>
namespace trygvis {
namespace apps {
@@ -22,12 +24,61 @@ using json = nlohmann::json;
class missing_key : public std::runtime_error {
public:
- missing_key(const json::string_t key) : runtime_error("Missing key: " + key), key(key) {}
+ missing_key(const json::string_t key) : runtime_error("Missing key: " + key), key(key) { }
const json::string_t key;
};
-template <typename T>
+class waitable {
+protected:
+ std::condition_variable cv;
+ std::mutex mutex;
+
+ waitable() {
+ }
+
+ virtual ~waitable() {
+ }
+
+public:
+ void wait() {
+ std::unique_lock<std::mutex> lock(mutex);
+ cv.wait(lock);
+ }
+
+ template<class Predicate>
+ void wait(Predicate predicate) {
+ std::unique_lock<std::mutex> lock(mutex);
+ cv.wait(lock, predicate);
+ }
+
+ template<class Rep, class Period>
+ std::cv_status wait_for(const std::chrono::duration<Rep, Period> &rel_time) {
+ std::unique_lock<std::mutex> lock(mutex);
+ return cv.wait_for(lock, rel_time);
+ }
+
+ template<class Rep, class Period, class Predicate>
+ bool wait_for(const std::chrono::duration<Rep, Period> &rel_time, Predicate predicate) {
+ std::unique_lock<std::mutex> lock(mutex);
+ return cv.wait_for(lock, rel_time, predicate);
+ }
+
+ template<class Clock, class Duration>
+ std::cv_status wait_until(const std::chrono::time_point<Clock, Duration> &timeout_time) {
+ std::unique_lock<std::mutex> lock(mutex);
+ return cv.wait_until(lock, timeout_time);
+ };
+
+ template<class Clock, class Duration, class Predicate>
+ bool wait_until(const std::chrono::time_point<Clock, Duration> &timeout_time,
+ Predicate predicate) {
+ std::unique_lock<std::mutex> lock(mutex);
+ return cv.wait_until(lock, timeout_time, predicate);
+ }
+};
+
+template<typename T>
T get(json j, std::string key) {
auto ref = j[key];
@@ -41,7 +92,7 @@ T get(json j, std::string key) {
class app_execution {
public:
app_execution(po::options_description desc, po::variables_map vm, Logger logger)
- : desc(desc), vm(vm), logger(logger) {}
+ : desc(desc), vm(vm), logger(logger) { }
const po::options_description desc;
const po::variables_map vm;
@@ -52,7 +103,7 @@ public:
class app {
public:
- app(std::string app_name) : app_name(app_name) {}
+ app(std::string app_name) : app_name(app_name) { }
app(const app &) = delete;
@@ -62,9 +113,9 @@ public:
app &operator=(const app &) = delete;
- virtual void add_options(po::options_description_easy_init &options) {}
+ virtual void add_options(po::options_description_easy_init &options) { }
- virtual void add_extra_options(po::options_description &options) {}
+ virtual void add_extra_options(po::options_description &options) { }
virtual int main(app_execution &execution) = 0;
@@ -75,12 +126,12 @@ std::string get_hostname();
int real_main(app *app, int argc, const char *argv[]);
-template <typename T>
+template<typename T>
class noop_delete {
public:
- void operator()(T *) const {}
+ void operator()(T *) const { }
};
-static inline void noop_deleter(void *) {}
+static inline void noop_deleter(void *) { }
}
}