-/* Copyright (c) 2006-2015. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2006-2016. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
#ifndef SIMGRID_S4U_COMM_HPP
#define SIMGRID_S4U_COMM_HPP
-#include "simgrid/s4u/async.hpp"
-#include "simgrid/s4u/mailbox.hpp"
+#include <xbt/base.h>
+
+#include <simgrid/s4u/Activity.hpp>
+#include <simgrid/s4u/forward.hpp>
+#include <simgrid/forward.h>
+
namespace simgrid {
namespace s4u {
-class Mailbox;
/** @brief Communication async
*
* Represents all asynchronous communications, that you can test or wait onto.
*/
-class Comm : public Async {
- Comm() : Async() {}
+XBT_PUBLIC_CLASS Comm : public Activity {
+ Comm() : Activity() {}
public:
- virtual ~Comm();
+ ~Comm() override;
public:
- /** Creates (but don't start) an async send to the mailbox #dest */
- static Comm &send_init(Actor *sender, Mailbox &dest);
- /** Creates and start an async send to the mailbox #dest */
- static Comm &send_async(s4u::Actor *sender, Mailbox &dest, void *data, int simulatedByteAmount);
- /** Creates (but don't start) an async recv onto the mailbox #from */
- static Comm &recv_init(s4u::Actor *receiver, Mailbox &from);
- /** Creates and start an async recv to the mailbox #from */
- static Comm &recv_async(s4u::Actor *receiver, Mailbox &from, void **data);
-
- void start() override;
- void wait() override;
- void wait(double timeout) override;
+
+ /*! take a range of s4u::Comm* (last excluded) and return when one of them is finished. The return value is an iterator on the finished Comms. */
+ template<class I> static
+ I wait_any(I first, I last)
+ {
+ // Map to dynar<Synchro*>:
+ xbt_dynar_t comms = xbt_dynar_new(sizeof(simgrid::kernel::activity::ActivityImpl*), NULL);
+ for(I iter = first; iter != last; iter++) {
+ Comm& comm = **iter;
+ if (comm.state_ == inited)
+ comm.start();
+ xbt_assert(comm.state_ == started);
+ xbt_dynar_push_as(comms, simgrid::kernel::activity::ActivityImpl*, comm.pimpl_);
+ }
+ // Call the underlying simcall:
+ int idx = simcall_comm_waitany(comms, -1);
+ xbt_dynar_free(&comms);
+ // Not found:
+ if (idx == -1)
+ return last;
+ // Lift the index to the corresponding iterator:
+ auto res = std::next(first, idx);
+ (*res)->state_ = finished;
+ return res;
+ }
+ /*! Same as wait_any, but with a timeout. If wait_any_for return because of the timeout last is returned.*/
+ template<class I> static
+ I wait_any_for(I first, I last, double timeout)
+ {
+ // Map to dynar<Synchro*>:
+ xbt_dynar_t comms = xbt_dynar_new(sizeof(simgrid::kernel::activity::ActivityImpl*), NULL);
+ for(I iter = first; iter != last; iter++) {
+ Comm& comm = **iter;
+ if (comm.state_ == inited)
+ comm.start();
+ xbt_assert(comm.state_ == started);
+ xbt_dynar_push_as(comms, simgrid::kernel::activity::ActivityImpl*, comm.pimpl_);
+ }
+ // Call the underlying simcall:
+ int idx = simcall_comm_waitany(comms, timeout);
+ xbt_dynar_free(&comms);
+ // Not found:
+ if (idx == -1)
+ return last;
+ // Lift the index to the corresponding iterator:
+ auto res = std::next(first, idx);
+ (*res)->state_ = finished;
+ return res;
+ }
+ /** Creates (but don't start) an async send to the mailbox @p dest */
+ static Comm &send_init(MailboxPtr dest);
+ /** Creates and start an async send to the mailbox @p dest */
+ static Comm &send_async(MailboxPtr dest, void *data, int simulatedByteAmount);
+ /** Creates (but don't start) an async recv onto the mailbox @p from */
+ static Comm &recv_init(MailboxPtr from);
+ /** Creates and start an async recv to the mailbox @p from */
+ static Comm &recv_async(MailboxPtr from, void **data);
+
+ void start() override;
+ void wait() override;
+ void wait(double timeout) override;
+
+ /** Sets the maximal communication rate (in byte/sec). Must be done before start */
+ void setRate(double rate);
+
+ /** Specify the data to send */
+ void setSrcData(void * buff);
+ /** Specify the size of the data to send */
+ void setSrcDataSize(size_t size);
+ /** Specify the data to send and its size */
+ void setSrcData(void * buff, size_t size);
+
+ /** Specify where to receive the data */
+ void setDstData(void ** buff);
+ /** Specify the buffer in which the data should be received */
+ void setDstData(void ** buff, size_t size);
+ /** Retrieve the size of the received data */
+ size_t getDstDataSize();
+
+ bool test();
-private:
- double p_rate=-1;
-public:
- /** Sets the maximal communication rate (in byte/sec). Must be done before start */
- void setRate(double rate);
-
-private:
- void *p_dstBuff = NULL;
- size_t p_dstBuffSize = 0;
- void *p_srcBuff = NULL;
- size_t p_srcBuffSize = sizeof(void*);
-public:
- /** Specify the data to send */
- void setSrcData(void * buff);
- /** Specify the size of the data to send */
- void setSrcDataSize(size_t size);
- /** Specify the data to send and its size */
- void setSrcData(void * buff, size_t size);
-
- /** Specify where to receive the data */
- void setDstData(void ** buff);
- /** Specify the buffer in which the data should be received */
- void setDstData(void ** buff, size_t size);
- /** Retrieve the size of the received data */
- size_t getDstDataSize();
-
-
-private: /* FIXME: expose these elements in the API */
- int p_detached = 0;
- int (*p_matchFunction)(void *, void *, smx_synchro_t) = NULL;
- void (*p_cleanFunction)(void *) = NULL;
- void (*p_copyDataFunction)(smx_synchro_t, void*, size_t) = NULL;
private:
- Actor *p_sender = NULL;
- Actor *p_receiver = NULL;
- Mailbox *p_mailbox = NULL;
+ double rate_ = -1;
+ void *dstBuff_ = nullptr;
+ size_t dstBuffSize_ = 0;
+ void *srcBuff_ = nullptr;
+ size_t srcBuffSize_ = sizeof(void*);
+
+ /* FIXME: expose these elements in the API */
+ int detached_ = 0;
+ int (*matchFunction_)(void *, void *, smx_activity_t) = nullptr;
+ void (*cleanFunction_)(void *) = nullptr;
+ void (*copyDataFunction_)(smx_activity_t, void*, size_t) = nullptr;
+
+ smx_actor_t sender_ = nullptr;
+ smx_actor_t receiver_ = nullptr;
+ MailboxPtr mailbox_ = nullptr;
};
}} // namespace simgrid::s4u
