X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/4b5f366a8a5e31aefbd2f2d211ddfe951624df68..983883d65cbcf86c675a323208f9dd15ffbbf583:/src/mc/mc_server.cpp diff --git a/src/mc/mc_server.cpp b/src/mc/mc_server.cpp index 3cacf132b7..c9dc25f939 100644 --- a/src/mc/mc_server.cpp +++ b/src/mc/mc_server.cpp @@ -19,6 +19,7 @@ #include "mc_protocol.h" #include "mc_server.h" #include "mc_private.h" +#include "mc_ignore.h" XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_server, mc, "MC server logic"); @@ -45,8 +46,6 @@ void s_mc_server::start() throw std::system_error(res, std::system_category()); XBT_DEBUG("Greeted the MC client"); - MC_init_pid(pid, socket); - // Block SIGCHLD (this will be handled with accept/signalfd): sigset_t set; sigemptyset(&set); @@ -126,7 +125,7 @@ void throw_socket_error(int fd) void s_mc_server::handle_events() { - s_mc_message_t message; + char buffer[MC_MESSAGE_LENGTH]; struct pollfd* socket_pollfd = &fds[SOCKET_FD_INDEX]; struct pollfd* signalfd_pollfd = &fds[SIGNAL_FD_INDEX]; @@ -141,12 +140,71 @@ void s_mc_server::handle_events() if (socket_pollfd->revents) { if (socket_pollfd->revents & POLLIN) { - ssize_t size = recv(socket_pollfd->fd, &message, sizeof(message), MSG_DONTWAIT); + + ssize_t size = recv(socket_pollfd->fd, buffer, sizeof(buffer), MSG_DONTWAIT); if (size == -1 && errno != EAGAIN) throw std::system_error(errno, std::system_category()); - else switch(message.type) { + + s_mc_message_t base_message; + if (size < (ssize_t) sizeof(base_message)) + xbt_die("Broken message"); + memcpy(&base_message, buffer, sizeof(base_message)); + + switch(base_message.type) { + + case MC_MESSAGE_IGNORE_HEAP: + { + XBT_DEBUG("Received ignored region"); + s_mc_ignore_heap_message_t message; + if (size != sizeof(message)) + xbt_die("Broken messsage"); + memcpy(&message, buffer, sizeof(message)); + mc_heap_ignore_region_t region = xbt_new(s_mc_heap_ignore_region_t, 1); + *region = message.region; + MC_heap_region_ignore_insert(region); + break; + } + + + case MC_MESSAGE_UNIGNORE_HEAP: + { + XBT_DEBUG("Received unignored region"); + s_mc_ignore_memory_message_t message; + if (size != sizeof(message)) + xbt_die("Broken messsage"); + memcpy(&message, buffer, sizeof(message)); + MC_remove_ignore_heap(message.addr, message.size); + break; + } + + case MC_MESSAGE_IGNORE_MEMORY: + { + XBT_DEBUG("Received ignored memory"); + s_mc_ignore_memory_message_t message; + if (size != sizeof(message)) + xbt_die("Broken messsage"); + memcpy(&message, buffer, sizeof(message)); + MC_process_ignore_memory(&mc_model_checker->process, + message.addr, message.size); + break; + } + + case MC_MESSAGE_STACK_REGION: + { + XBT_DEBUG("Received stack area"); + s_mc_stack_region_message_t message; + if (size != sizeof(message)) + xbt_die("Broken messsage"); + memcpy(&message, buffer, sizeof(message)); + stack_region_t stack_region = xbt_new(s_stack_region_t, 1); + *stack_region = message.stack_region; + MC_stack_area_add(stack_region); + } + break; + default: xbt_die("Unexpected message from model-checked application"); + } return; }