From 4010635b9c3d74e544d37d1e9295316cff01b014 Mon Sep 17 00:00:00 2001
From: Pixel <pixel@nobis-crew.org>
Date: Sun, 9 Oct 2011 21:42:24 -0700
Subject: Starting to integrate libev; timer event works.

---
 src/Task.cc    | 20 +++++++++++++++++++-
 src/TaskMan.cc | 23 ++++++++++++++++++++---
 2 files changed, 39 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/Task.cc b/src/Task.cc
index 73a2329..e5c971d 100644
--- a/src/Task.cc
+++ b/src/Task.cc
@@ -67,9 +67,27 @@ Balau::Task * Balau::Task::getCurrentTask() {
 
 void Balau::Task::waitFor(Balau::Events::BaseEvent * e) {
     e->registerOwner(this);
-    // probably have to register the event in the Task manager
+}
+
+void Balau::Events::BaseEvent::doSignal() {
+    m_signal = true;
+    m_task->getTaskMan()->signalTask(m_task);
 }
 
 Balau::Events::TaskEvent::TaskEvent(Task * taskWaited) : m_taskWaited(taskWaited) {
     m_taskWaited->m_waitedBy.push_back(this);
 }
+
+Balau::Events::Timeout::Timeout(ev_tstamp tstamp) {
+    m_evt.set<Timeout, &Timeout::evt_cb>(this);
+    m_evt.set(tstamp);
+}
+
+void Balau::Events::Timeout::gotOwner(Task * task) {
+    m_evt.set(task->getTaskMan()->getLoop());
+    m_evt.start();
+}
+
+void Balau::Events::Timeout::evt_cb(ev::timer & w, int revents) {
+    doSignal();
+}
diff --git a/src/TaskMan.cc b/src/TaskMan.cc
index 6730f13..a9ad709 100644
--- a/src/TaskMan.cc
+++ b/src/TaskMan.cc
@@ -8,14 +8,19 @@ static Balau::LocalTmpl<Balau::TaskMan> localTaskMan;
 
 Balau::TaskMan::TaskMan() : m_stopped(false) {
     coro_create(&m_returnContext, 0, 0, 0, 0);
-    if (!localTaskMan.getGlobal())
+    if (!localTaskMan.getGlobal()) {
         localTaskMan.setGlobal(this);
+        m_loop = ev_default_loop(EVFLAG_AUTO);
+    } else {
+        m_loop = ev_loop_new(EVFLAG_AUTO);
+    }
 }
 
 Balau::TaskMan * Balau::TaskMan::getTaskMan() { return localTaskMan.get(); }
 
 Balau::TaskMan::~TaskMan() {
     Assert(localTaskMan.getGlobal() != this);
+    ev_loop_destroy(m_loop);
 }
 
 void Balau::TaskMan::mainLoop() {
@@ -33,8 +38,6 @@ void Balau::TaskMan::mainLoop() {
             }
         }
 
-        // That's probably where we poll for events
-
         // lock pending
         // Adding tasks that were added, maybe from other threads
         for (iL = m_pendingAdd.begin(); iL != m_pendingAdd.end(); iL++) {
@@ -45,6 +48,14 @@ void Balau::TaskMan::mainLoop() {
         m_pendingAdd.clear();
         // unlock pending
 
+        ev_run(m_loop, EVRUN_ONCE);
+
+        // let's check who got signaled, and call them
+        for (iH = m_signaledTasks.begin(); iH != m_signaledTasks.end(); iH++) {
+            t = *iH;
+            t->switchTo();
+        }
+
         // Dealing with stopped and faulted tasks.
         // First by signalling the waiters.
         for (iH = m_tasks.begin(); iH != m_tasks.end(); iH++) {
@@ -60,6 +71,7 @@ void Balau::TaskMan::mainLoop() {
                 }
             }
         }
+        m_signaledTasks.clear();
 
         // Then, by destroying them.
         bool didDelete;
@@ -85,3 +97,8 @@ void Balau::TaskMan::registerTask(Balau::Task * t) {
     m_pendingAdd.push_back(t);
     // unlock pending
 }
+
+void Balau::TaskMan::signalTask(Task * t) {
+    Assert(m_tasks.find(t) != m_tasks.end());
+    m_signaledTasks.insert(t);
+}
-- 
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