X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/bc59051b5395d73908634fdc95b5485d15c6413d..ee56134e963599f059f9a423b0a9100e70940ae2:/src/msg/msg_gos.c diff --git a/src/msg/msg_gos.c b/src/msg/msg_gos.c index e37e0d7002..339f73d89a 100644 --- a/src/msg/msg_gos.c +++ b/src/msg/msg_gos.c @@ -1,4 +1,5 @@ -/* Copyright (c) 2004-2012. The SimGrid Team. All rights reserved. */ +/* Copyright (c) 2004-2013. 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. */ @@ -199,6 +200,26 @@ MSG_task_receive_from_host(msg_task_t * task, const char *alias, return MSG_task_receive_ext(task, alias, -1, host); } +/** msg_task_usage + *\brief Deprecated function that used to receive a task from a mailbox from a specific host + *\brief at a given rate + * + * \param task a memory location for storing a #msg_task_t. + * \param alias name of the mailbox to receive the task from + * \param host a #msg_host_t host from where the task was sent + * \param rate limit the reception to rate bandwidth + * + * \return Returns + * #MSG_OK if the task was successfully received, + * #MSG_HOST_FAILURE, or #MSG_TRANSFER_FAILURE otherwise. + */ +msg_error_t +MSG_task_receive_from_host_bounded(msg_task_t * task, const char *alias, + msg_host_t host, double rate) +{ + return MSG_task_receive_ext_bounded(task, alias, -1, host, rate); +} + /** \ingroup msg_task_usage * \brief Receives a task from a mailbox. * @@ -218,6 +239,22 @@ msg_error_t MSG_task_receive(msg_task_t * task, const char *alias) return MSG_task_receive_with_timeout(task, alias, -1); } +/** \ingroup msg_task_usage + * \brief Receives a task from a mailbox at a given rate. + * + * \param task a memory location for storing a #msg_task_t. + * \param alias name of the mailbox to receive the task from + * \param rate limit the reception to rate bandwidth + * + * \return Returns + * #MSG_OK if the task was successfully received, + * #MSG_HOST_FAILURE, or #MSG_TRANSFER_FAILURE otherwise. + */ +msg_error_t MSG_task_receive_bounded(msg_task_t * task, const char *alias, double rate) +{ + return MSG_task_receive_with_timeout_bounded(task, alias, -1, rate); +} + /** \ingroup msg_task_usage * \brief Receives a task from a mailbox with a given timeout. * @@ -241,6 +278,25 @@ MSG_task_receive_with_timeout(msg_task_t * task, const char *alias, return MSG_task_receive_ext(task, alias, timeout, NULL); } +/** \ingroup msg_task_usage + * \brief Receives a task from a mailbox with a given timeout and at a given rate. + * + * \param task a memory location for storing a #msg_task_t. + * \param alias name of the mailbox to receive the task from + * \param timeout is the maximum wait time for completion (if -1, this call is the same as #MSG_task_receive) + * \param rate limit the reception to rate bandwidth + * + * \return Returns + * #MSG_OK if the task was successfully received, + * #MSG_HOST_FAILURE, or #MSG_TRANSFER_FAILURE, or #MSG_TIMEOUT otherwise. + */ +msg_error_t +MSG_task_receive_with_timeout_bounded(msg_task_t * task, const char *alias, + double timeout,double rate) +{ + return MSG_task_receive_ext_bounded(task, alias, timeout, NULL,rate); +} + /** \ingroup msg_task_usage * \brief Receives a task from a mailbox from a specific host with a given timeout. * @@ -284,6 +340,31 @@ MSG_task_receive_ext(msg_task_t * task, const char *alias, double timeout, return ret; } +/** \ingroup msg_task_usage + * \brief Receives a task from a mailbox from a specific host with a given timeout + * and at a given rate. + * + * \param task a memory location for storing a #msg_task_t. + * \param alias name of the mailbox to receive the task from + * \param timeout is the maximum wait time for completion (provide -1 for no timeout) + * \param host a #msg_host_t host from where the task was sent + * \param rate limit the reception to rate bandwidth + * + * \return Returns + * #MSG_OK if the task was successfully received, +* #MSG_HOST_FAILURE, or #MSG_TRANSFER_FAILURE, or #MSG_TIMEOUT otherwise. + */ +msg_error_t +MSG_task_receive_ext_bounded(msg_task_t * task, const char *alias, double timeout, + msg_host_t host, double rate) +{ + XBT_DEBUG + ("MSG_task_receive_ext: Trying to receive a message on mailbox '%s'", + alias); + return MSG_mailbox_get_task_ext_bounded(MSG_mailbox_get_by_alias(alias), task, + host, timeout, rate); +} + /** \ingroup msg_task_usage * \brief Sends a task on a mailbox. * @@ -528,6 +609,40 @@ msg_comm_t MSG_task_irecv(msg_task_t *task, const char *name) return comm; } +/** \ingroup msg_task_usage + * \brief Starts listening for receiving a task from an asynchronous communication + * at a given rate. + * + * \param task a memory location for storing a #msg_task_t. has to be valid until the end of the communication. + * \param name of the mailbox to receive the task on + * \param rate limit the bandwidth to the given rate + * \return the msg_comm_t communication created + */ +msg_comm_t MSG_task_irecv_bounded(msg_task_t *task, const char *name, double rate) +{ + + + smx_rdv_t rdv = MSG_mailbox_get_by_alias(name); + + /* FIXME: these functions are not traceable */ + + /* Sanity check */ + xbt_assert(task, "Null pointer for the task storage"); + + if (*task) + XBT_CRITICAL + ("MSG_task_irecv() was asked to write in a non empty task struct."); + + /* Try to receive it by calling SIMIX network layer */ + msg_comm_t comm = xbt_new0(s_msg_comm_t, 1); + comm->task_sent = NULL; + comm->task_received = task; + comm->status = MSG_OK; + comm->s_comm = simcall_comm_irecv_bounded(rdv, task, NULL, NULL, NULL, rate); + + return comm; +} + /** \ingroup msg_task_usage * \brief Checks whether a communication is done, and if yes, finalizes it. * \param comm the communication to test