/**
* \ingroup simix_comm_management
*/
void simcall_comm_send(smx_process_t sender, smx_mailbox_t mbox, double task_size, double rate,
void *src_buff, size_t src_buff_size,
int (*match_fun)(void *, void *, smx_synchro_t),
void (*copy_data_fun)(smx_synchro_t, void*, size_t), void *data,
double timeout)
{
/* checking for infinite values */
xbt_assert(std::isfinite(task_size), "task_size is not finite!");
xbt_assert(std::isfinite(rate), "rate is not finite!");
xbt_assert(std::isfinite(timeout), "timeout is not finite!");
xbt_assert(mbox, "No rendez-vous point defined for send");
if (MC_is_active() || MC_record_replay_is_active()) {
/* the model-checker wants two separate simcalls */
smx_synchro_t comm = NULL; /* MC needs the comm to be set to NULL during the simcall */
comm = simcall_comm_isend(sender, mbox, task_size, rate,
src_buff, src_buff_size, match_fun, NULL, copy_data_fun, data, 0);
simcall_comm_wait(comm, timeout);
comm = NULL;
}
else {
simcall_BODY_comm_send(sender, mbox, task_size, rate, src_buff, src_buff_size,
match_fun, copy_data_fun, data, timeout);
}
}
/* Internal function used to factorize code between
* MSG_task_isend_with_matching() and MSG_task_dsend().
*/
static XBT_INLINE
msg_comm_t MSG_task_isend_internal(msg_task_t task, const char *alias,
int (*match_fun)(void*,void*, smx_synchro_t),
void *match_data, void_f_pvoid_t cleanup,
int detached)
{
simdata_task_t t_simdata = NULL;
msg_process_t process = MSG_process_self();
msg_mailbox_t mailbox = MSG_mailbox_get_by_alias(alias);
int call_end = TRACE_msg_task_put_start(task);
/* Prepare the task to send */
t_simdata = task->simdata;
t_simdata->sender = process;
t_simdata->source = ((simdata_process_t) SIMIX_process_self_get_data(process))->m_host;
if (t_simdata->isused != 0) {
if (msg_global->debug_multiple_use){
XBT_ERROR("This task is already used in there:");
xbt_backtrace_display(t_simdata->isused);
XBT_ERROR("And you try to reuse it from here:");
xbt_backtrace_display_current();
} else {
xbt_assert(t_simdata->isused == 0,
"This task is still being used somewhere else. You cannot send it now. Go fix your code! (use --cfg=msg/debug_multiple_use:on to get the backtrace of the other process)");
}
}
if (msg_global->debug_multiple_use)
MSG_BT(t_simdata->isused, "Using Backtrace");
else
t_simdata->isused = (void*)1;
t_simdata->comm = NULL;
msg_global->sent_msg++;
/* Send it by calling SIMIX network layer */
smx_synchro_t act = simcall_comm_isend(SIMIX_process_self(), mailbox, t_simdata->bytes_amount,
t_simdata->rate, task, sizeof(void *),
match_fun, cleanup, NULL, match_data,detached);
t_simdata->comm = act; /* FIXME: is the field t_simdata->comm still useful? */
msg_comm_t comm;
if (detached) {
comm = NULL;
} else {
comm = xbt_new0(s_msg_comm_t, 1);
comm->task_sent = task;
comm->task_received = NULL;
comm->status = MSG_OK;
comm->s_comm = act;
}
if (TRACE_is_enabled())
simcall_set_category(act, task->category);
if (call_end)
TRACE_msg_task_put_end();
return comm;
}
/** \ingroup msg_task_usage
* \brief Sends a task on a mailbox, with support for matching requests
*
* This is a non blocking function: use MSG_comm_wait() or MSG_comm_test()
* to end the communication.
*
* \param task a #msg_task_t to send on another location.
* \param alias name of the mailbox to sent the task to
* \param match_fun boolean function which parameters are:
* - match_data_provided_here
* - match_data_provided_by_other_side_if_any
* - the_smx_action_describing_the_other_side
* \param match_data user provided data passed to match_fun
* \return the msg_comm_t communication created
*/
XBT_INLINE msg_comm_t MSG_task_isend_with_matching(msg_task_t task, const char *alias,
int (*match_fun)(void*,void*, smx_action_t),
void *match_data)
{
simdata_task_t t_simdata = NULL;
msg_process_t process = MSG_process_self();
msg_mailbox_t mailbox = MSG_mailbox_get_by_alias(alias);
#ifdef HAVE_TRACING
int call_end = TRACE_msg_task_put_start(task);
#endif
/* Prepare the task to send */
t_simdata = task->simdata;
t_simdata->sender = process;
t_simdata->source = ((simdata_process_t) SIMIX_process_self_get_data(process))->m_host;
xbt_assert(t_simdata->isused == 0,
"This task is still being used somewhere else. You cannot send it now. Go fix your code!");
t_simdata->isused = 1;
t_simdata->comm = NULL;
msg_global->sent_msg++;
/* Send it by calling SIMIX network layer */
msg_comm_t comm = xbt_new0(s_msg_comm_t, 1);
comm->task_sent = task;
comm->task_received = NULL;
comm->status = MSG_OK;
comm->s_comm =
simcall_comm_isend(mailbox, t_simdata->message_size,
t_simdata->rate, task, sizeof(void *), match_fun, NULL, match_data, 0);
t_simdata->comm = comm->s_comm; /* FIXME: is the field t_simdata->comm still useful? */
#ifdef HAVE_TRACING
if (TRACE_is_enabled()) {
simcall_set_category(comm->s_comm, task->category);
}
#endif
#ifdef HAVE_TRACING
if (call_end)
TRACE_msg_task_put_end();
#endif
return comm;
}
/* Internal function used to factorize code between MSG_task_isend_with_matching() and MSG_task_dsend(). */
static inline msg_comm_t MSG_task_isend_internal(msg_task_t task, const char *alias,
int (*match_fun)(void*,void*, smx_synchro_t),
void *match_data, void_f_pvoid_t cleanup, int detached)
{
simdata_task_t t_simdata = nullptr;
msg_process_t process = MSG_process_self();
msg_mailbox_t mailbox = MSG_mailbox_get_by_alias(alias);
int call_end = TRACE_msg_task_put_start(task);
/* Prepare the task to send */
t_simdata = task->simdata;
t_simdata->sender = process;
t_simdata->source = ((simdata_process_t) SIMIX_process_self_get_data())->m_host;
t_simdata->setUsed();
t_simdata->comm = nullptr;
msg_global->sent_msg++;
/* Send it by calling SIMIX network layer */
smx_synchro_t act = simcall_comm_isend(SIMIX_process_self(), mailbox, t_simdata->bytes_amount, t_simdata->rate,
task, sizeof(void *), match_fun, cleanup, nullptr, match_data,detached);
t_simdata->comm = static_cast<simgrid::simix::Comm*>(act); /* FIXME: is the field t_simdata->comm still useful? */
msg_comm_t comm;
if (detached) {
comm = nullptr;
} else {
comm = xbt_new0(s_msg_comm_t, 1);
comm->task_sent = task;
comm->task_received = nullptr;
comm->status = MSG_OK;
comm->s_comm = act;
}
if (TRACE_is_enabled())
simcall_set_category(act, task->category);
if (call_end)
TRACE_msg_task_put_end();
return comm;
}
/** \ingroup msg_task_usage
* \brief Sends a task on a mailbox with a maximal rate.
*
* This is a non blocking detached send function.
* Think of it as a best effort send. Keep in mind that the third parameter
* is only called if the communication fails. If the communication does work,
* it is responsibility of the receiver code to free anything related to
* the task, as usual. More details on this can be obtained on
* <a href="http://lists.gforge.inria.fr/pipermail/simgrid-user/2011-November/002649.html">this thread</a>
* in the SimGrid-user mailing list archive.
*
* \param task a #msg_task_t to send on another location.
* \param alias name of the mailbox to sent the task to
* \param cleanup a function to destroy the task if the
* communication fails, e.g. MSG_task_destroy
* (if NULL, no function will be called)
* \param maxrate the maximum communication rate for sending this task
*
*/
void MSG_task_dsend_bounded(msg_task_t task, const char *alias, void_f_pvoid_t cleanup, double maxrate)
{
task->simdata->rate = maxrate;
simdata_task_t t_simdata = NULL;
msg_process_t process = MSG_process_self();
msg_mailbox_t mailbox = MSG_mailbox_get_by_alias(alias);
/* Prepare the task to send */
t_simdata = task->simdata;
t_simdata->sender = process;
t_simdata->source = ((simdata_process_t) SIMIX_process_self_get_data(process))->m_host;
xbt_assert(t_simdata->isused == 0,
"This task is still being used somewhere else. You cannot send it now. Go fix your code!");
t_simdata->isused = 1;
t_simdata->comm = NULL;
msg_global->sent_msg++;
#ifdef HAVE_TRACING
int call_end = TRACE_msg_task_put_start(task);
#endif
/* Send it by calling SIMIX network layer */
smx_action_t comm = simcall_comm_isend(mailbox, t_simdata->message_size,
t_simdata->rate, task, sizeof(void *), NULL, cleanup, NULL, 1);
t_simdata->comm = comm;
#ifdef HAVE_TRACING
if (TRACE_is_enabled()) {
simcall_set_category(comm, task->category);
}
#endif
#ifdef HAVE_TRACING
if (call_end)
TRACE_msg_task_put_end();
#endif
}
/**
* \ingroup simix_comm_management
*/
void simcall_comm_send(smx_rdv_t rdv, double task_size, double rate,
void *src_buff, size_t src_buff_size,
int (*match_fun)(void *, void *, smx_action_t), void *data,
double timeout)
{
/* checking for infinite values */
xbt_assert(isfinite(task_size), "task_size is not finite!");
xbt_assert(isfinite(rate), "rate is not finite!");
xbt_assert(isfinite(timeout), "timeout is not finite!");
xbt_assert(rdv, "No rendez-vous point defined for send");
if (MC_is_active()) {
/* the model-checker wants two separate simcalls */
smx_action_t comm = simcall_comm_isend(rdv, task_size, rate,
src_buff, src_buff_size, match_fun, NULL, data, 0);
simcall_comm_wait(comm, timeout);
}
else {
simcall_BODY_comm_send(rdv, task_size, rate, src_buff, src_buff_size,
match_fun, data, timeout);
}
}
msg_error_t
MSG_mailbox_put_with_timeout(msg_mailbox_t mailbox, msg_task_t task,
double timeout)
{
xbt_ex_t e;
msg_error_t ret = MSG_OK;
simdata_task_t t_simdata = NULL;
msg_process_t process = MSG_process_self();
simdata_process_t p_simdata = SIMIX_process_self_get_data(process);
#ifdef HAVE_TRACING
int call_end = TRACE_msg_task_put_start(task); //must be after CHECK_HOST()
#endif
/* Prepare the task to send */
t_simdata = task->simdata;
t_simdata->sender = process;
t_simdata->source = ((simdata_process_t) SIMIX_process_self_get_data(process))->m_host;
xbt_assert(t_simdata->isused == 0,
"This task is still being used somewhere else. You cannot send it now. Go fix your code!");
t_simdata->isused=1;
t_simdata->comm = NULL;
msg_global->sent_msg++;
p_simdata->waiting_task = task;
/* Try to send it by calling SIMIX network layer */
TRY {
smx_action_t comm = simcall_comm_isend(mailbox, t_simdata->message_size,
t_simdata->rate, task, sizeof(void *),
NULL, NULL, task, 0);
#ifdef HAVE_TRACING
if (TRACE_is_enabled()) {
simcall_set_category(comm, task->category);
}
#endif
t_simdata->comm = comm;
simcall_comm_wait(comm, timeout);
}
CATCH(e) {
switch (e.category) {
case network_error:
ret = MSG_TRANSFER_FAILURE;
break;
case timeout_error:
ret = MSG_TIMEOUT;
break;
default:
RETHROW;
}
xbt_ex_free(e);
/* If the send failed, it is not used anymore */
t_simdata->isused = 0;
}
p_simdata->waiting_task = NULL;
#ifdef HAVE_TRACING
if (call_end)
TRACE_msg_task_put_end();
#endif
MSG_RETURN(ret);
}
msg_error_t
MSG_mailbox_put_with_timeout(msg_mailbox_t mailbox, msg_task_t task,
double timeout)
{
msg_error_t ret = MSG_OK;
simdata_task_t t_simdata = NULL;
msg_process_t process = MSG_process_self();
simdata_process_t p_simdata = SIMIX_process_self_get_data(process);
int call_end = TRACE_msg_task_put_start(task); //must be after CHECK_HOST()
/* Prepare the task to send */
t_simdata = task->simdata;
t_simdata->sender = process;
t_simdata->source = ((simdata_process_t) SIMIX_process_self_get_data(process))->m_host;
if (t_simdata->isused != 0) {
if (msg_global->debug_multiple_use){
XBT_ERROR("This task is already used in there:");
xbt_backtrace_display(t_simdata->isused);
XBT_ERROR("And you try to reuse it from here:");
xbt_backtrace_display_current();
} else {
xbt_assert(t_simdata->isused == 0,
"This task is still being used somewhere else. You cannot send it now. Go fix your code! (use --cfg=msg/debug_multiple_use:on to get the backtrace of the other process)");
}
}
if (msg_global->debug_multiple_use)
MSG_BT(t_simdata->isused, "Using Backtrace");
else
t_simdata->isused = (void*)1;
t_simdata->comm = NULL;
msg_global->sent_msg++;
p_simdata->waiting_task = task;
xbt_ex_t e;
/* Try to send it by calling SIMIX network layer */
TRY {
smx_synchro_t comm = NULL; /* MC needs the comm to be set to NULL during the simix call */
comm = simcall_comm_isend(SIMIX_process_self(), mailbox,t_simdata->bytes_amount,
t_simdata->rate, task, sizeof(void *),
NULL, NULL, NULL, task, 0);
if (TRACE_is_enabled())
simcall_set_category(comm, task->category);
t_simdata->comm = comm;
simcall_comm_wait(comm, timeout);
}
CATCH(e) {
switch (e.category) {
case cancel_error:
ret = MSG_HOST_FAILURE;
break;
case network_error:
ret = MSG_TRANSFER_FAILURE;
break;
case timeout_error:
ret = MSG_TIMEOUT;
break;
default:
RETHROW;
}
xbt_ex_free(e);
/* If the send failed, it is not used anymore */
if (msg_global->debug_multiple_use && t_simdata->isused!=0)
xbt_ex_free(*(xbt_ex_t*)t_simdata->isused);
t_simdata->isused = 0;
}
p_simdata->waiting_task = NULL;
if (call_end)
TRACE_msg_task_put_end();
MSG_RETURN(ret);
}