X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/b9d8ff0f5f0819d9103795c70ed49534d695f8ba..23f5bf52cc58cf837840f231cf638e9fcd45097b:/src/simix/smx_io.c diff --git a/src/simix/smx_io.c b/src/simix/smx_io.c index f535e9c067..0a117206ab 100644 --- a/src/simix/smx_io.c +++ b/src/simix/smx_io.c @@ -4,7 +4,7 @@ /* 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 "private.h" +#include "smx_private.h" #include "xbt/sysdep.h" #include "xbt/log.h" #include "xbt/dict.h" @@ -13,18 +13,213 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_io, simix, "Logging specific to SIMIX (io)"); -void SIMIX_pre_file_read(smx_req_t req) + +//SIMIX FILE READ +void SIMIX_pre_file_read(smx_simcall_t simcall) +{ + smx_action_t action = SIMIX_file_read(simcall->issuer, + simcall->file_read.ptr, + simcall->file_read.size, + simcall->file_read.nmemb, + simcall->file_read.stream); + xbt_fifo_push(action->simcalls, simcall); + simcall->issuer->waiting_action = action; +} + +smx_action_t SIMIX_file_read(smx_process_t process, void* ptr, size_t size, size_t nmemb, smx_file_t stream) +{ + smx_action_t action; + smx_host_t host = process->smx_host; + + /* check if the host is active */ + if (surf_workstation_model->extension. + workstation.get_state(host->host) != SURF_RESOURCE_ON) { + THROWF(host_error, 0, "Host %s failed, you cannot call this function", + host->name); + } + + action = xbt_mallocator_get(simix_global->action_mallocator); + action->type = SIMIX_ACTION_IO; + action->name = NULL; +#ifdef HAVE_TRACING + action->category = NULL; +#endif + + action->io.host = host; + action->io.surf_io = surf_workstation_model->extension.workstation.read(host->host, ptr, size, nmemb, stream->surf_file); + + surf_workstation_model->action_data_set(action->io.surf_io, action); + XBT_DEBUG("Create io action %p", action); + + return action; +} + +//SIMIX FILE WRITE +void SIMIX_pre_file_write(smx_simcall_t simcall) +{ + smx_action_t action = SIMIX_file_write(simcall->issuer, + simcall->file_write.ptr, + simcall->file_write.size, + simcall->file_write.nmemb, + simcall->file_write.stream); + xbt_fifo_push(action->simcalls, simcall); + simcall->issuer->waiting_action = action; +} + +smx_action_t SIMIX_file_write(smx_process_t process, const void* ptr, size_t size, size_t nmemb, smx_file_t stream) +{ + smx_action_t action; + smx_host_t host = process->smx_host; + + /* check if the host is active */ + if (surf_workstation_model->extension. + workstation.get_state(host->host) != SURF_RESOURCE_ON) { + THROWF(host_error, 0, "Host %s failed, you cannot call this function", + host->name); + } + + action = xbt_mallocator_get(simix_global->action_mallocator); + action->type = SIMIX_ACTION_IO; + action->name = NULL; +#ifdef HAVE_TRACING + action->category = NULL; +#endif + + action->io.host = host; + action->io.surf_io = surf_workstation_model->extension.workstation.write(host->host, ptr, size, nmemb, stream->surf_file); + + surf_workstation_model->action_data_set(action->io.surf_io, action); + XBT_DEBUG("Create io action %p", action); + + return action; +} + +//SIMIX FILE OPEN +void SIMIX_pre_file_open(smx_simcall_t simcall) +{ + smx_action_t action = SIMIX_file_open(simcall->issuer, + simcall->file_open.mount, + simcall->file_open.path, + simcall->file_open.mode); + xbt_fifo_push(action->simcalls, simcall); + simcall->issuer->waiting_action = action; +} + +smx_action_t SIMIX_file_open(smx_process_t process ,const char* mount, const char* path, const char* mode) +{ + smx_action_t action; + smx_host_t host = process->smx_host; + + /* check if the host is active */ + if (surf_workstation_model->extension. + workstation.get_state(host->host) != SURF_RESOURCE_ON) { + THROWF(host_error, 0, "Host %s failed, you cannot call this function", + host->name); + } + + action = xbt_mallocator_get(simix_global->action_mallocator); + action->type = SIMIX_ACTION_IO; + action->name = NULL; +#ifdef HAVE_TRACING + action->category = NULL; +#endif + + action->io.host = host; + action->io.surf_io = surf_workstation_model->extension.workstation.open(host->host, mount, path, mode); + + surf_workstation_model->action_data_set(action->io.surf_io, action); + XBT_DEBUG("Create io action %p", action); + + return action; +} + +//SIMIX FILE CLOSE +void SIMIX_pre_file_close(smx_simcall_t simcall) +{ + smx_action_t action = SIMIX_file_close(simcall->issuer, + simcall->file_close.fp); + xbt_fifo_push(action->simcalls, simcall); + simcall->issuer->waiting_action = action; +} + +smx_action_t SIMIX_file_close(smx_process_t process, smx_file_t fp) +{ + smx_action_t action; + smx_host_t host = process->smx_host; + + /* check if the host is active */ + if (surf_workstation_model->extension. + workstation.get_state(host->host) != SURF_RESOURCE_ON) { + THROWF(host_error, 0, "Host %s failed, you cannot call this function", + host->name); + } + + action = xbt_mallocator_get(simix_global->action_mallocator); + action->type = SIMIX_ACTION_IO; + action->name = NULL; +#ifdef HAVE_TRACING + action->category = NULL; +#endif + + action->io.host = host; + action->io.surf_io = surf_workstation_model->extension.workstation.close(host->host, fp->surf_file); + + surf_workstation_model->action_data_set(action->io.surf_io, action); + XBT_DEBUG("Create io action %p", action); + + return action; +} + +//SIMIX FILE STAT +void SIMIX_pre_file_stat(smx_simcall_t simcall) { - smx_action_t action = SIMIX_file_read(req->issuer, req->file_read.name); - xbt_fifo_push(action->request_list, req); - req->issuer->waiting_action = action; + smx_action_t action = SIMIX_file_stat(simcall->issuer, + simcall->file_stat.fd, + simcall->file_stat.buf); + xbt_fifo_push(action->simcalls, simcall); + simcall->issuer->waiting_action = action; } -smx_action_t SIMIX_file_read(smx_process_t process, char* name) +smx_action_t SIMIX_file_stat(smx_process_t process, smx_file_t fd, s_file_stat_t buf) { smx_action_t action; smx_host_t host = process->smx_host; + /* check if the host is active */ + if (surf_workstation_model->extension. + workstation.get_state(host->host) != SURF_RESOURCE_ON) { + THROWF(host_error, 0, "Host %s failed, you cannot call this function", + host->name); + } + action = xbt_mallocator_get(simix_global->action_mallocator); + action->type = SIMIX_ACTION_IO; + action->name = NULL; +#ifdef HAVE_TRACING + action->category = NULL; +#endif + + action->io.host = host; + action->io.surf_io = surf_workstation_model->extension.workstation.stat(host->host, fd->surf_file); + + surf_workstation_model->action_data_set(action->io.surf_io, action); + XBT_DEBUG("Create io action %p", action); + + return action; +} + +//SIMIX FILE UNLINK +void SIMIX_pre_file_unlink(smx_simcall_t simcall) +{ + smx_action_t action = SIMIX_file_unlink(simcall->issuer, + simcall->file_unlink.fd); + xbt_fifo_push(action->simcalls, simcall); + simcall->issuer->waiting_action = action; +} + +smx_action_t SIMIX_file_unlink(smx_process_t process, smx_file_t fd) +{ + smx_action_t action; + smx_host_t host = process->smx_host; /* check if the host is active */ if (surf_workstation_model->extension. workstation.get_state(host->host) != SURF_RESOURCE_ON) { @@ -40,9 +235,7 @@ smx_action_t SIMIX_file_read(smx_process_t process, char* name) #endif action->io.host = host; - // TODO in surf model disk??? - // action->io.surf_io = surf_workstation_model->extension.disk.read(host->host, name), - action->io.surf_io = surf_workstation_model->extension.workstation.sleep(host->host, 1.0); + action->io.surf_io = surf_workstation_model->extension.workstation.unlink(host->host, fd->surf_file); surf_workstation_model->action_data_set(action->io.surf_io, action); XBT_DEBUG("Create io action %p", action); @@ -50,13 +243,110 @@ smx_action_t SIMIX_file_read(smx_process_t process, char* name) return action; } -void SIMIX_post_file_read(smx_action_t action) +//SIMIX FILE LS +void SIMIX_pre_file_ls(smx_simcall_t simcall) +{ + smx_action_t action = SIMIX_file_ls(simcall->issuer, + simcall->file_ls.mount, simcall->file_ls.path); + xbt_fifo_push(action->simcalls, simcall); + simcall->issuer->waiting_action = action; +} +smx_action_t SIMIX_file_ls(smx_process_t process, const char* mount, const char *path) { - smx_req_t req; + smx_action_t action; + smx_host_t host = process->smx_host; + /* check if the host is active */ + if (surf_workstation_model->extension.workstation.get_state(host->host) != SURF_RESOURCE_ON) { + THROWF(host_error, 0, "Host %s failed, you cannot call this function", + host->name); + } - while ((req = xbt_fifo_shift(action->request_list))) { + action = xbt_mallocator_get(simix_global->action_mallocator); + action->type = SIMIX_ACTION_IO; + action->name = NULL; +#ifdef HAVE_TRACING + action->category = NULL; +#endif + + action->io.host = host; + action->io.surf_io = surf_workstation_model->extension.workstation.ls(host->host,mount,path); + + surf_workstation_model->action_data_set(action->io.surf_io, action); + XBT_DEBUG("Create io action %p", action); + return action; +} + +static void free_file_stat(void *p) +{ + file_stat_t fs = p; + xbt_free(fs->date); + xbt_free(fs->group); + xbt_free(fs->time); + xbt_free(fs->user); + xbt_free(fs->user_rights); + xbt_free(fs); +} + +void SIMIX_post_io(smx_action_t action) +{ + xbt_fifo_item_t i; + smx_simcall_t simcall; + char* key; + xbt_dict_cursor_t cursor = NULL; + s_file_stat_t *dst = NULL; + s_file_stat_t *src = NULL; + + xbt_fifo_foreach(action->simcalls,i,simcall,smx_simcall_t) { + switch (simcall->call) { + case SIMCALL_FILE_OPEN: + simcall->file_open.result = xbt_new(s_smx_file_t,1); + simcall->file_open.result->surf_file = (action->io.surf_io)->file; + break; + + case SIMCALL_FILE_CLOSE: + xbt_free(simcall->file_close.fp); + simcall->file_close.result = 0; + break; + + case SIMCALL_FILE_WRITE: + simcall->file_write.result = (action->io.surf_io)->cost; + break; + + case SIMCALL_FILE_READ: + simcall->file_read.result = (action->io.surf_io)->cost; + break; + + case SIMCALL_FILE_STAT: + simcall->file_stat.result = 0; + dst = &(simcall->file_stat.buf); + src = &((action->io.surf_io)->stat); + file_stat_copy(src,dst); + break; + + case SIMCALL_FILE_UNLINK: + xbt_free(simcall->file_unlink.fd); + simcall->file_unlink.result = 0; + break; + + case SIMCALL_FILE_LS: + xbt_dict_foreach((action->io.surf_io)->ls_dict,cursor,key, src){ + // if there is a stat we have to duplicate it + if(src){ + dst = xbt_new0(s_file_stat_t,1); + file_stat_copy(src, dst); + xbt_dict_set((action->io.surf_io)->ls_dict,key,dst,free_file_stat); + } + } + simcall->file_ls.result = (action->io.surf_io)->ls_dict; + break; + + default: + break; + } + } + + switch (surf_workstation_model->action_state_get(action->io.surf_io)) { - switch(surf_workstation_model->action_state_get(action->io.surf_io)){ case SURF_ACTION_FAILED: action->state = SIMIX_FAILED; break; @@ -68,11 +358,9 @@ void SIMIX_post_file_read(smx_action_t action) default: THROW_IMPOSSIBLE; break; - } } - /* If there are requests associated with the action, then answer them */ - if (xbt_fifo_size(action->request_list)) - SIMIX_io_finish(action); + + SIMIX_io_finish(action); } void SIMIX_io_destroy(smx_action_t action) @@ -85,10 +373,10 @@ void SIMIX_io_destroy(smx_action_t action) void SIMIX_io_finish(smx_action_t action) { - volatile xbt_fifo_item_t item; - smx_req_t req; + xbt_fifo_item_t item; + smx_simcall_t simcall; - xbt_fifo_foreach(action->request_list, item, req, smx_req_t) { + xbt_fifo_foreach(action->simcalls, item, simcall, smx_simcall_t) { switch (action->state) { @@ -97,29 +385,25 @@ void SIMIX_io_finish(smx_action_t action) break; case SIMIX_FAILED: - TRY { - THROWF(io_error, 0, "IO failed"); - } - CATCH(req->issuer->running_ctx->exception) { - req->issuer->doexception = 1; - } - break; + SMX_EXCEPTION(simcall->issuer, io_error, 0, "IO failed"); + break; case SIMIX_CANCELED: - TRY { - THROWF(cancel_error, 0, "Canceled"); - } - CATCH(req->issuer->running_ctx->exception) { - req->issuer->doexception = 1; - } - break; + SMX_EXCEPTION(simcall->issuer, cancel_error, 0, "Canceled"); + break; default: xbt_die("Internal error in SIMIX_io_finish: unexpected action state %d", - action->state); + (int)action->state); } - req->issuer->waiting_action = NULL; - SIMIX_request_answer(req); + + if (surf_workstation_model->extension. + workstation.get_state(simcall->issuer->smx_host->host) != SURF_RESOURCE_ON) { + simcall->issuer->context->iwannadie = 1; + } + + simcall->issuer->waiting_action = NULL; + SIMIX_simcall_answer(simcall); } /* We no longer need it */