-/* 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. */
#define SIMGRID_S4U_COMM_HPP
#include <xbt/base.h>
+
#include <simgrid/s4u/Activity.hpp>
#include <simgrid/s4u/forward.hpp>
-#include <simgrid/s4u/mailbox.hpp>
+#include <simgrid/forward.h>
+
namespace simgrid {
namespace s4u {
+
/** @brief Communication async
*
* Represents all asynchronous communications, that you can test or wait onto.
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);
+
+ /*! 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;
-private:
- double rate_=-1;
-public:
/** Sets the maximal communication rate (in byte/sec). Must be done before start */
void setRate(double rate);
-private:
- void *dstBuff_ = NULL;
- size_t dstBuffSize_ = 0;
- void *srcBuff_ = NULL;
- size_t srcBuffSize_ = sizeof(void*);
-public:
/** Specify the data to send */
void setSrcData(void * buff);
/** Specify the size of the data to send */
/** Retrieve the size of the received data */
size_t getDstDataSize();
+ bool test();
-private: /* FIXME: expose these elements in the API */
- int detached_ = 0;
- int (*matchFunction_)(void *, void *, smx_synchro_t) = NULL;
- void (*cleanFunction_)(void *) = NULL;
- void (*copyDataFunction_)(smx_synchro_t, void*, size_t) = NULL;
private:
- Actor *sender_ = NULL;
- Actor *receiver_ = NULL;
- Mailbox *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
