X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/loba.git/blobdiff_plain/f29b38ef2a056daa14bbfda2fce78063faa773d4..c8312a5fc4607cd996e6e687c98ee08fd5e8a08b:/communicator.cpp?ds=sidebyside diff --git a/communicator.cpp b/communicator.cpp index b78b1c3..bd0cb7b 100644 --- a/communicator.cpp +++ b/communicator.cpp @@ -1,74 +1,143 @@ #include -#include +#include #include #include -#include "communicator.h" -// XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simu); -XBT_LOG_NEW_DEFAULT_SUBCATEGORY(comm, simu, - "Messages from asynchronous pipes"); +XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(comm); + +#include "misc.h" +#include "simgrid_features.h" +#include "tracing.h" + +#include "communicator.h" namespace { - bool comm_test_n_destroy(msg_comm_t& comm) + + void check_for_lost_messages(size_t size, const char* descr) { - if (MSG_comm_test(comm)) { - MSG_comm_destroy(comm); - return true; - } else - return false; + if (size) + XBT_WARN("lost %zu %s message%s!", size, descr, ESSE(size)); } + } communicator::communicator() + : host(static_cast(MSG_host_get_data(MSG_host_self()))) { - const char* hostname = MSG_host_get_name(MSG_host_self()); - size_t len = std::strlen(hostname); - recv_mbox = new char[len + 1]; - strcpy(recv_mbox, hostname); - recv_task = NULL; - recv_comm = MSG_task_irecv(&recv_task, recv_mbox); + using std::tr1::bind; + receiver_thread = new_msg_thread("receiver", + bind(&communicator::receiver, this)); + receiver_thread->start(); } communicator::~communicator() { - send_acknowledge(); - if (!sent_comm.empty()) - WARN1("Lost %ld send communications!", (long )sent_comm.size()); - delete[] recv_mbox; -} + m_task_t task; + + XBT_DEBUG("send finalize to receiver/ctrl"); + task = MSG_task_create("finalize", 0.0, 0, NULL); + MSG_task_send(task, host->get_ctrl_mbox()); + + XBT_DEBUG("send finalize to receiver/data"); + task = MSG_task_create("finalize", 0.0, 0, NULL); + MSG_task_send(task, host->get_data_mbox()); + + receiver_thread->wait(); + delete receiver_thread; + check_for_lost_messages(ctrl_received.size(), "received ctrl"); + check_for_lost_messages(data_received.size(), "received data"); + check_for_lost_messages(ctrl_sent.size(), "sent ctrl"); + check_for_lost_messages(data_sent.size(), "sent data"); +} -void communicator::send(m_task_t task, const char *dest) +msg_comm_t communicator::real_send(const char* dest, message* msg) { - sent_comm.push_back(MSG_task_isend(task, dest)); - send_acknowledge(); + XBT_DEBUG("send %s to %s", msg->to_string().c_str(), dest); + m_task_t task = MSG_task_create("message", 0.0, msg->get_size(), msg); + TRACE_msg_set_task_category(task, + msg->get_type() == message::LOAD ? + TRACE_CAT_DATA : TRACE_CAT_CTRL); + return MSG_task_isend(task, dest); } -void communicator::send(m_task_t task, const std::string& dest) +void communicator::real_flush(sent_comm_type& sent_comm, bool wait) { - send(task, dest.c_str()); + sent_comm_type::iterator bound = + std::remove_if(sent_comm.begin(), sent_comm.end(), + comm_test_n_destroy); + sent_comm.erase(bound, sent_comm.end()); + if (wait && !sent_comm.empty()) { + size_t size = sent_comm.size(); + msg_comm_t* comms = new msg_comm_t[size]; + std::copy(sent_comm.begin(), sent_comm.end(), comms); + sent_comm.clear(); + MSG_comm_waitall(comms, size, -1.0); + if (!MSG_WAIT_DESTROYS_COMMS) + std::for_each(comms, comms + size, comm_check_n_destroy); + delete[] comms; + } } -m_task_t communicator::recv() -{ - m_task_t task = NULL; - if (comm_test_n_destroy(recv_comm)) { - task = recv_task; - recv_task = NULL; - recv_comm = MSG_task_irecv(&recv_task, recv_mbox); +void communicator::receiver() +{ + xbt_dynar_t comms = xbt_dynar_new(sizeof(msg_comm_t), NULL); + struct channel { + msg_comm_t comm; + m_task_t task; + const char* mbox; + message_queue& received; + }; + channel chan[] = { { NULL, NULL, host->get_ctrl_mbox(), ctrl_received }, + { NULL, NULL, host->get_data_mbox(), data_received } }; + const int chan_size = (sizeof chan) / (sizeof chan[0]); + + for (int i = 0 ; i < chan_size ; ++i) { + chan[i].comm = MSG_task_irecv(&chan[i].task, chan[i].mbox); + xbt_dynar_push(comms, &chan[i].comm); + } + + while (!xbt_dynar_is_empty(comms)) { + + int index = MSG_comm_waitany(comms); + msg_comm_t finished_comm = xbt_dynar_get_as(comms, index, msg_comm_t); + channel* ch; + + for (ch = chan ; ch->comm != finished_comm ; ++ch) + /* nop */; + + comm_check_n_destroy(ch->comm); + if (strcmp(MSG_task_get_name(ch->task), "finalize")) { + XBT_DEBUG("received message on %s", ch->mbox); + ch->received.push(ch->task); + ch->task = NULL; + ch->comm = MSG_task_irecv(&ch->task, ch->mbox); + xbt_dynar_set_as(comms, index, msg_comm_t, ch->comm); + } else { + XBT_DEBUG("received finalize on %s", ch->mbox); + MSG_task_destroy(ch->task); + ch->task = NULL; + ch->comm = NULL; + xbt_dynar_remove_at(comms, index, NULL); + } + } - return task; + xbt_dynar_free(&comms); } -int communicator::sent_count() +void communicator::comm_check_n_destroy(msg_comm_t comm) { - send_acknowledge(); - return sent_comm.size(); + xbt_assert(MSG_comm_get_status(comm) == MSG_OK); + MSG_comm_destroy(comm); } -void communicator::send_acknowledge() +bool communicator::comm_test_n_destroy(msg_comm_t comm) { - std::remove_if(sent_comm.begin(), sent_comm.end(), comm_test_n_destroy); + if (MSG_comm_test(comm)) { + comm_check_n_destroy(comm); + return true; + } else + return false; } // Local variables: