-/* process_sg - GRAS process handling on simulator */
-
-/* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. 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. */
-
-#include "xbt/ex.h"
-#include "xbt/dict.h"
-#include "gras_modinter.h" /* module initialization interface */
-#include "gras/Virtu/virtu_sg.h"
-#include "gras/Msg/msg_interface.h" /* For some checks at simulation end */
-#include "gras/Transport/transport_interface.h" /* For some checks at simulation end */
-#if HAVE_LUA
-#include <lua.h>
-#include <lauxlib.h>
-#include <lualib.h>
-#endif
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(gras_virtu_process);
-
-static long int PID = 1;
-
-
-void gras_agent_spawn(const char *name,
- xbt_main_func_t code, int argc, char *argv[],
- xbt_dict_t properties)
-{
-
- smx_process_t process;
- simcall_process_create(&process, name, code, NULL,
- gras_os_myname(), -1.0, argc, argv, properties, 0);
-}
-
-/* **************************************************************************
- * Process constructor/destructor (semi-public interface)
- * **************************************************************************/
-
-void gras_process_init()
-{
- smx_process_t self = SIMIX_process_self();
- gras_hostdata_t *hd =
- (gras_hostdata_t *) SIMIX_host_self_get_data();
- gras_procdata_t *pd = xbt_new0(gras_procdata_t, 1);
- gras_trp_procdata_t trp_pd;
- long int pid = PID++; /* make sure the first process gets the first id */
-
- if (!hd) {
- /* First process on this host (FIXME: does not work if the SIMIX user contexts are truly parallel) */
- hd = xbt_new(gras_hostdata_t, 1);
- hd->refcount = 1;
- hd->ports = xbt_dynar_new(sizeof(gras_sg_portrec_t), NULL);
- SIMIX_host_self_set_data((void *) hd);
- } else {
- hd->refcount++;
- }
-
- SIMIX_process_self_set_data(self, (void *) pd);
- gras_procdata_init();
-
- trp_pd = (gras_trp_procdata_t) gras_libdata_by_name("gras_trp");
- pd->pid = pid;
-
- if (self != NULL) {
- pd->ppid = gras_os_getpid();
- } else
- pd->ppid = -1;
-
- trp_pd->msg_selectable_sockets = xbt_queue_new(0, sizeof(xbt_socket_t));
-
- trp_pd->meas_selectable_sockets =
- xbt_queue_new(0, sizeof(xbt_socket_t));
-
- XBT_VERB("Creating process '%s' (%d)", SIMIX_process_self_get_name(),
- gras_os_getpid());
-}
-
-void gras_process_exit()
-{
- xbt_dynar_t sockets =
- ((gras_trp_procdata_t) gras_libdata_by_name("gras_trp"))->sockets;
- xbt_socket_t sock_iter;
- unsigned int cursor;
- gras_hostdata_t *hd =
- (gras_hostdata_t *) SIMIX_host_self_get_data();
- gras_procdata_t *pd =
- (gras_procdata_t *) simcall_process_get_data(SIMIX_process_self());
-
- gras_msg_procdata_t msg_pd =
- (gras_msg_procdata_t) gras_libdata_by_name("gras_msg");
- gras_trp_procdata_t trp_pd =
- (gras_trp_procdata_t) gras_libdata_by_name("gras_trp");
-
- xbt_queue_free(&trp_pd->msg_selectable_sockets);
-
- xbt_queue_free(&trp_pd->meas_selectable_sockets);
-
-
- xbt_assert(hd, "Run gras_process_init (ie, gras_init)!!");
-
- XBT_VERB("GRAS: Finalizing process '%s' (%d)",
- simcall_process_get_name(SIMIX_process_self()), gras_os_getpid());
-
- if (!xbt_dynar_is_empty(msg_pd->msg_queue)) {
- unsigned int cpt;
- s_gras_msg_t msg;
- XBT_WARN
- ("process %d terminated, but %lu messages are still queued. Message list:",
- gras_os_getpid(), xbt_dynar_length(msg_pd->msg_queue));
- xbt_dynar_foreach(msg_pd->msg_queue, cpt, msg) {
- XBT_WARN(" Message %s (%s) from %s@%s:%d", msg.type->name,
- e_gras_msg_kind_names[msg.kind],
- xbt_socket_peer_proc(msg.expe),
- xbt_socket_peer_name(msg.expe),
- xbt_socket_peer_port(msg.expe));
- }
- }
-
- /* if each process has its sockets list, we need to close them when the
- process finish */
- xbt_dynar_foreach(sockets, cursor, sock_iter) {
- XBT_VERB("Closing the socket %p left open on exit. Maybe a socket leak?",
- sock_iter);
- gras_socket_close(sock_iter);
- }
- if (!--(hd->refcount)) {
- xbt_dynar_free(&hd->ports);
- free(hd);
- }
- gras_procdata_exit();
- free(pd);
-}
-
-/* **************************************************************************
- * Process data (public interface)
- * **************************************************************************/
-
-gras_procdata_t *gras_procdata_get(void)
-{
- gras_procdata_t *pd =
- (gras_procdata_t *) simcall_process_get_data(SIMIX_process_self());
-
- xbt_assert(pd, "Run gras_process_init! (ie, gras_init)");
-
- return pd;
-}
-
-void *gras_libdata_by_name_from_remote(const char *name, smx_process_t p)
-{
- gras_procdata_t *pd = (gras_procdata_t *) simcall_process_get_data(p);
-
- xbt_assert(pd,
- "process '%s' on '%s' didn't run gras_process_init! (ie, gras_init)",
- simcall_process_get_name(p),
- simcall_host_get_name(simcall_process_get_host(p)));
-
- return gras_libdata_by_name_from_procdata(name, pd);
-}
-
-/** @brief retrieve the value of a given process property (or NULL if not defined) */
-const char *gras_process_property_value(const char *name)
-{
- return xbt_dict_get_or_null(simcall_process_get_properties
- (SIMIX_process_self()), name);
-}
-
-/** @brief retrieve the process properties dictionnary
- * @warning it's the original one, not a copy. Don't mess with it
- */
-xbt_dict_t gras_process_properties(void)
-{
- return simcall_process_get_properties(SIMIX_process_self());
-}
-
-/* **************************************************************************
- * OS virtualization function
- * **************************************************************************/
-
-
-int gras_os_getpid(void)
-{
- gras_procdata_t *data;
- data = (gras_procdata_t *) SIMIX_process_self_get_data(SIMIX_process_self());
- if (data != NULL)
- return data->pid;
-
- return 0;
-}
-
-/** @brief retrieve the value of a given host property (or NULL if not defined) */
-const char *gras_os_host_property_value(const char *name)
-{
- return
- xbt_dict_get_or_null(simcall_host_get_properties
- (simcall_process_get_host(SIMIX_process_self())),
- name);
-}
-
-/** @brief retrieve the host properties dictionary
- * @warning it's the original one, not a copy. Don't mess with it
- */
-xbt_dict_t gras_os_host_properties(void)
-{
- return
- simcall_host_get_properties(simcall_process_get_host
- (SIMIX_process_self()));
-}
-
-/* **************************************************************************
- * Interface with SIMIX
- * (these functions are called by the stuff generated by gras_stub_generator)
- * **************************************************************************/
-
-void gras_global_init(int *argc, char **argv)
-{
- SIMIX_global_init(argc, argv);
-}
-
-void gras_create_environment(const char *file)
-{
- SIMIX_create_environment(file);
-}
-
-void gras_function_register(const char *name, xbt_main_func_t code)
-{
- SIMIX_function_register(name, code);
-}
-
-void gras_function_register_default(xbt_main_func_t code)
-{
- SIMIX_function_register_default(code);
-}
-
-void gras_main()
-{
- /* Clean IO before the run */
- fflush(stdout);
- fflush(stderr);
- SIMIX_run();
-
- return;
-}
-
-void gras_launch_application(const char *file)
-{
- SIMIX_launch_application(file);
-}
-
-void gras_load_environment_script(const char *script_file)
-{
-#ifdef HAVE_LUA
- lua_State *L = lua_open();
- luaL_openlibs(L);
-
- if (luaL_loadfile(L, script_file) || lua_pcall(L, 0, 0, 0)) {
- printf("error: %s\n", lua_tostring(L, -1));
- return;
- }
-#else
- xbt_die
- ("Lua is not available!! to call gras_load_environment_script, lua should be available...");
-#endif
- return;
-}
-
-void gras_clean(){ /* this function is not needed anymore and could be removed, but I feel so lazy */
-}
