X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/42899c56484678345296504a65de123846148658..42001fa8f0d1b0c4193741147cd58c345e8f2233:/src/gras/Virtu/sg_process.c diff --git a/src/gras/Virtu/sg_process.c b/src/gras/Virtu/sg_process.c index ea013670d4..e84f1ab2d3 100644 --- a/src/gras/Virtu/sg_process.c +++ b/src/gras/Virtu/sg_process.c @@ -8,6 +8,7 @@ * 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 */ @@ -15,19 +16,31 @@ XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(gras_virtu_process); +static long int PID = 1; +void gras_agent_spawn(const char *name, void *data, + xbt_main_func_t code, int argc, char *argv[], xbt_dict_t properties) { + + SIMIX_process_create(name, code, + data, + gras_os_myname(), + argc, argv, properties); +} + +/* ************************************************************************** + * Process constructor/destructor (semi-public interface) + * **************************************************************************/ + void gras_process_init() { - gras_hostdata_t *hd=(gras_hostdata_t *)MSG_host_get_data(MSG_host_self()); + gras_hostdata_t *hd=(gras_hostdata_t *)SIMIX_host_get_data(SIMIX_host_self()); gras_procdata_t *pd=xbt_new0(gras_procdata_t,1); gras_trp_procdata_t trp_pd; - gras_sg_portrec_t prmeas,pr; - int i; - - if (MSG_process_set_data(MSG_process_self(),(void*)pd) != MSG_OK) - THROW0(system_error,0,"Error in MSG_process_set_data()"); - + + SIMIX_process_set_data(SIMIX_process_self(),(void*)pd); + + gras_procdata_init(); if (!hd) { @@ -35,84 +48,64 @@ gras_process_init() { hd=xbt_new(gras_hostdata_t,1); hd->refcount = 1; hd->ports = xbt_dynar_new(sizeof(gras_sg_portrec_t),NULL); - - memset(hd->proc, 0, sizeof(hd->proc[0]) * XBT_MAX_CHANNEL); - - if (MSG_host_set_data(MSG_host_self(),(void*)hd) != MSG_OK) - THROW0(system_error,0,"Error in MSG_host_set_data()"); + SIMIX_host_set_data(SIMIX_host_self(),(void*)hd); } else { hd->refcount++; } - - /* take a free channel for this process */ + trp_pd = (gras_trp_procdata_t)gras_libdata_by_name("gras_trp"); - for (i=0; iproc[i]; i++); - if (i == XBT_MAX_CHANNEL) - THROW2(system_error,0, - "Can't add a new process on %s, because all channels are already in use. Please increase MAX CHANNEL (which is %d for now) and recompile GRAS.", - MSG_host_get_name(MSG_host_self()),XBT_MAX_CHANNEL); - - trp_pd->chan = i; - hd->proc[ i ] = MSG_process_self_PID(); - - /* regiter it to the ports structure */ - pr.port = -1; - pr.tochan = i; - pr.meas = 0; - xbt_dynar_push(hd->ports,&pr); - - /* take a free meas channel for this process */ - for (i=0; iproc[i]; i++); - if (i == XBT_MAX_CHANNEL) { - THROW2(system_error,0, - "Can't add a new process on %s, because all channels are already in use. Please increase MAX CHANNEL (which is %d for now) and recompile GRAS.", - MSG_host_get_name(MSG_host_self()),XBT_MAX_CHANNEL); + pd->pid = PID++; + + if (SIMIX_process_self() != NULL ) { + pd->ppid = gras_os_getpid(); } - trp_pd->measChan = i; - - hd->proc[ i ] = MSG_process_self_PID(); - - /* register it to the ports structure */ - prmeas.port = -1; - prmeas.tochan = i; - prmeas.meas = 1; - xbt_dynar_push(hd->ports,&prmeas); - + else pd->ppid = -1; + + trp_pd->msg_selectable_sockets = xbt_queue_new(0,sizeof(gras_socket_t)); + + trp_pd->meas_selectable_sockets = xbt_queue_new(0,sizeof(gras_socket_t)); + VERB2("Creating process '%s' (%d)", - MSG_process_get_name(MSG_process_self()), - MSG_process_self_PID()); + SIMIX_process_get_name(SIMIX_process_self()), + gras_os_getpid()); } void gras_process_exit() { - gras_hostdata_t *hd=(gras_hostdata_t *)MSG_host_get_data(MSG_host_self()); - gras_procdata_t *pd=(gras_procdata_t*)MSG_process_get_data(MSG_process_self()); + xbt_dynar_t sockets = ((gras_trp_procdata_t) gras_libdata_by_name("gras_trp"))->sockets; + gras_socket_t sock_iter; + int cursor; + gras_hostdata_t *hd= + (gras_hostdata_t *)SIMIX_host_get_data(SIMIX_host_self()); + gras_procdata_t *pd= + (gras_procdata_t*)SIMIX_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); - 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"); - int myPID=MSG_process_self_PID(); - int cpt; - gras_sg_portrec_t pr; xbt_assert0(hd,"Run gras_process_init (ie, gras_init)!!"); VERB2("GRAS: Finalizing process '%s' (%d)", - MSG_process_get_name(MSG_process_self()),MSG_process_self_PID()); + SIMIX_process_get_name(SIMIX_process_self()),gras_os_getpid()); if (xbt_dynar_length(msg_pd->msg_queue)) WARN1("process %d terminated, but some messages are still queued", - MSG_process_self_PID()); - - for (cpt=0; cpt< XBT_MAX_CHANNEL; cpt++) - if (myPID == hd->proc[cpt]) - hd->proc[cpt] = 0; - - xbt_dynar_foreach(hd->ports, cpt, pr) { - if (pr.port == trp_pd->chan || pr.port == trp_pd->measChan) { - xbt_dynar_cursor_rm(hd->ports, &cpt); - } + gras_os_getpid()); + + /* if each process has its sockets list, we need to close them when the + process finish */ + xbt_dynar_foreach(sockets,cursor,sock_iter) { + VERB1("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); @@ -122,43 +115,133 @@ gras_process_exit() { } /* ************************************************************************** - * Process data + * Process data (public interface) * **************************************************************************/ gras_procdata_t *gras_procdata_get(void) { gras_procdata_t *pd= - (gras_procdata_t *)MSG_process_get_data(MSG_process_self()); + (gras_procdata_t *)SIMIX_process_get_data(SIMIX_process_self()); xbt_assert0(pd,"Run gras_process_init! (ie, gras_init)"); return pd; } void * -gras_libdata_by_name_from_remote(const char *name, m_process_t p) { +gras_libdata_by_name_from_remote(const char *name, smx_process_t p) { gras_procdata_t *pd= - (gras_procdata_t *)MSG_process_get_data(p); + (gras_procdata_t *)SIMIX_process_get_data(p); xbt_assert2(pd,"process '%s' on '%s' didn't run gras_process_init! (ie, gras_init)", - MSG_process_get_name(p),MSG_host_get_name(MSG_process_get_host(p))); + SIMIX_process_get_name(p),SIMIX_host_get_name(SIMIX_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(char* name) { + return xbt_dict_get_or_null(SIMIX_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 SIMIX_process_get_properties(SIMIX_process_self()); +} + +/* ************************************************************************** + * OS virtualization function + * **************************************************************************/ + const char* xbt_procname(void) { const char *res = NULL; - m_process_t process = MSG_process_self(); + smx_process_t process = SIMIX_process_self(); if ((process != NULL) && (process->simdata)) - res = MSG_process_get_name(process); + res = SIMIX_process_get_name(process); if (res) return res; else return ""; } -long int gras_os_getpid(void) { - m_process_t process = MSG_process_self(); - if ((process != NULL) && (process->simdata)) - return (long int)MSG_process_get_PID(MSG_process_self()); +int gras_os_getpid(void) { + + smx_process_t process = SIMIX_process_self(); + + if ((process != NULL) && (process->data)) + return ((gras_procdata_t*)process->data)->pid; else - return (long int)0; + return 0; } + + +/** @brief retrieve the value of a given host property (or NULL if not defined) */ +const char* gras_os_host_property_value(char* name) { + return xbt_dict_get_or_null(SIMIX_host_get_properties(SIMIX_process_get_host(SIMIX_process_self())), name); +} + +/** @brief retrieve the host properties dictionnary + * @warning it's the original one, not a copy. Don't mess with it + */ +xbt_dict_t gras_os_host_properties(void) { + return SIMIX_host_get_properties(SIMIX_process_get_host(SIMIX_process_self())); +} + +/* ************************************************************************** + * Interface with SIMIX + * **************************************************************************/ + +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_main() { + smx_cond_t cond = NULL; + smx_action_t action; + xbt_fifo_t actions_done = xbt_fifo_new(); + xbt_fifo_t actions_failed = xbt_fifo_new(); + + /* Clean IO before the run */ + fflush(stdout); + fflush(stderr); + + while (SIMIX_solve(actions_done, actions_failed) != -1.0) { + while ( (action = xbt_fifo_pop(actions_failed)) ) { + DEBUG1("** %s failed **",action->name); + while ( (cond = xbt_fifo_pop(action->cond_list)) ) { + SIMIX_cond_broadcast(cond); + } + /* action finished, destroy it */ + // SIMIX_action_destroy(action); + } + + while ( (action = xbt_fifo_pop(actions_done)) ) { + DEBUG1("** %s done **",action->name); + while ( (cond = xbt_fifo_pop(action->cond_list)) ) { + SIMIX_cond_broadcast(cond); + } + /* action finished, destroy it */ + //SIMIX_action_destroy(action); + } + } + xbt_fifo_free(actions_failed); + xbt_fifo_free(actions_done); + return; +} + +void gras_launch_application(const char *file) { + SIMIX_launch_application(file); +} + +void gras_clean() { + SIMIX_clean(); +} + +