From 10ce346530a757323bd9ea0aeae3cac1de5cd960 Mon Sep 17 00:00:00 2001
From: Remi Collet <remi@remirepo.net>
Date: Fri, 31 Aug 2018 14:02:25 +0200
Subject: v4.1.0

---
 channel.h | 107 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 channel.h

(limited to 'channel.h')

diff --git a/channel.h b/channel.h
new file mode 100644
index 0000000..ab4fb5f
--- /dev/null
+++ b/channel.h
@@ -0,0 +1,107 @@
+#pragma once
+
+#include "swoole.h"
+#include "context.h"
+#include "coroutine.h"
+#include <string>
+#include <iostream>
+#include <list>
+#include <queue>
+#include <sys/stat.h>
+
+namespace swoole {
+
+enum channel_op
+{
+    PRODUCER = 1,
+    CONSUMER = 2,
+};
+
+class Channel;
+
+struct notify_msg_t
+{
+    Channel *chan;
+    enum channel_op type;
+};
+
+struct timeout_msg_t
+{
+    Channel *chan;
+    coroutine_t *co;
+    bool error;
+    swTimer_node *timer;
+};
+
+class Channel
+{
+private:
+    std::list<coroutine_t *> producer_queue;
+    std::list<coroutine_t *> consumer_queue;
+    std::queue<void *> data_queue;
+    size_t capacity;
+    uint32_t notify_producer_count;
+    uint32_t notify_consumer_count;
+
+public:
+    bool closed;
+    inline bool is_empty()
+    {
+        return data_queue.size() == 0;
+    }
+
+    inline bool is_full()
+    {
+        return data_queue.size() == capacity;
+    }
+
+    inline size_t length()
+    {
+        return data_queue.size();
+    }
+
+    inline size_t consumer_num()
+    {
+        return consumer_queue.size();
+    }
+
+    inline size_t producer_num()
+    {
+        return producer_queue.size();
+    }
+
+    inline void remove(coroutine_t *co)
+    {
+        consumer_queue.remove(co);
+    }
+
+    inline coroutine_t* pop_coroutine(enum channel_op type)
+    {
+        coroutine_t* co;
+        if (type == PRODUCER)
+        {
+            co = producer_queue.front();
+            producer_queue.pop_front();
+            notify_producer_count--;
+            swDebug("resume producer[%d]", coroutine_get_cid(co));
+        }
+        else
+        {
+            co = consumer_queue.front();
+            consumer_queue.pop_front();
+            notify_consumer_count--;
+            swDebug("resume consumer[%d]", coroutine_get_cid(co));
+        }
+        return co;
+    }
+
+    Channel(size_t _capacity);
+    void yield(enum channel_op type);
+    void notify(enum channel_op type);
+    void* pop(double timeout = 0);
+    bool push(void *data);
+    bool close();
+};
+
+};
+
-- 
cgit