Handle shutdown gracefully

[candle] / src / main / server.lisp

diff --git a/src/main/server.lisp b/src/main/server.lisp
index 1f9a96cc1d2fd2888995c1f998c6a627911cef28..ffd6e82ce1749f66093a62a210bce636b68f7ab5 100644 (file)
--- a/src/main/server.lisp
+++ b/src/main/server.lisp
@@ -2,22 +2,48 @@
 
 (defun server (port &optional (background t))
  (when (not *candle-dir*) (error "Need a candle dir"))
- (let
+ (let*
   ((data-dir (format nil "~Adata" *candle-dir*)))
   (ensure-directories-exist *candle-dir*)
   (ensure-directories-exist data-dir)
   (lame-db:load-known-dbs data-dir)
-  (sb-thread:make-thread
-   (lambda ()
-    (do () (nil)
-     (progn
-      (sleep (* 5 60))
-      (lame-db:save-known-dbs data-dir))))
-   :name "Save Thread")
   (format t "Starting processor in ~(~A~) mode~%" *job-system*)
+  (start-save-thread data-dir)
   (start-processor-thread)
   (communication:start-listener port background)))
 
+(defun start-save-thread (data-dir)
+ (format t "Starting Save Thread~%")
+ (let*
+  ((mutex (sb-thread:make-mutex))
+   (waitq (sb-thread:make-waitqueue))
+   (active t)
+   (save-thread
+    (sb-thread:make-thread
+     (lambda ()
+      (loop
+       :while active
+       :do
+       (sb-thread:with-mutex (mutex)
+        (sb-thread:condition-wait waitq mutex)))
+      (lame-db:save-known-dbs data-dir))
+     :name "Save Thread")))
+  (sb-thread:make-thread
+   (lambda ()
+    (loop
+     (sleep (* 1 60))
+     (sb-thread:with-mutex (mutex)
+      (sb-thread:condition-broadcast waitq))))
+   :name "Save Thread Trigger")
+  (push
+   (lambda ()
+    (format t "Shutting down save thread~%")
+    (sb-thread:with-mutex (mutex)
+     (setf active nil)
+     (sb-thread:condition-broadcast waitq))
+    (sb-thread:join-thread save-thread))
+   sb-ext:*exit-hooks*)))
+
 (defun add-project (name src)
  (when
   (not (cl-ppcre:scan "^[0-9A-Za-z-]*$" name))
@@ -86,11 +112,14 @@
 
 (defun project-job-information (name)
  (let
-  ((project (find name *all-project* :test #'string= :key #'project-name)))
-  (when (not project) (error "Project does not exist"))
-  (mapcar #'job->job-information (find-job-by-project project))))
+  ((project (when name (find name *all-project* :test #'string= :key #'project-name))))
+  (when (and name (not project)) (error "Project does not exist"))
+  (mapcar #'job->job-information
+   (if project
+    (find-job-by-project project)
+    *all-job*))))
 
-(defun get-job-log (project-name sha)
+(defun find-job-by-project-and-sha (project-name sha)
  (let*
   ((project (find project-name *all-project* :test #'string= :key #'project-name))
    (job
@@ -102,4 +131,28 @@
      :key #'job-sha))))
   (when (not project) (error "Project does not exist"))
   (when (not job) (error "Job does not exist"))
-  (job-log job)))
+  job))
+
+(defun get-job-log (project-name sha)
+ (job-log (find-job-by-project-and-sha project-name sha)))
+
+(defun retry-job (project-name sha)
+ (set-job-status (find-job-by-project-and-sha project-name sha) :queued)
+ (awaken-processor-thread))
+
+(defun list-projects ()
+ (mapcar
+  (lambda (project)
+   (list
+    (project-name project)
+    (project-src project)))
+  *all-project*))
+
+(defun failures (project-name)
+ (length
+  (remove-if-not
+   (lambda (branch) (eql :failed (job-status (branch-job branch))))
+   (if project-name
+     (find-branch-by-project
+      (find project-name *all-project* :test #'string= :key #'project-name))
+     *all-branch*))))