X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/3d0d626e19a7b79320e7d922c9c1dcf122076cea..187ba0c05f9fbe51175179b9f637b6554f947468:/src/gras/Transport/rl_transport.c

diff --git a/src/gras/Transport/rl_transport.c b/src/gras/Transport/rl_transport.c
deleted file mode 100644
index 1e584a4364..0000000000
--- a/src/gras/Transport/rl_transport.c
+++ /dev/null
@@ -1,176 +0,0 @@
-/* $Id$ */
-
-/* rl_transport - RL specific functions for transport                       */
-
-/* Authors: Martin Quinson                                                  */
-/* Copyright (C) 2004 Martin Quinson.                                       */
-
-/* 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 <errno.h>
-#include <sys/time.h> /* struct timeval */
-#include <sys/types.h>
-#include <sys/socket.h>
-
-#include "gras/Transport/transport_private.h"
-GRAS_LOG_EXTERNAL_CATEGORY(transport);
-GRAS_LOG_DEFAULT_CATEGORY(transport);
-
-
-
-/**
- * gras_trp_select:
- *
- * Returns the next socket to service having a message awaiting.
- *
- * if timeout<0, we ought to implement the adaptative timeout (FIXME)
- *
- * if timeout=0, do not wait for new message, only handle the ones already there.
- *
- * if timeout>0 and no message there, wait at most that amount of time before giving up.
- */
-gras_error_t 
-gras_trp_select(double timeout,
-		gras_socket_t **dst) {
-
-  gras_error_t errcode;
-  gras_dynar_t *sockets= gras_socketset_get();
-  int done = -1;
-  double wakeup = gras_os_time() + 1000000*timeout;
-  double now = 0;
-  /* nextToService used to make sure socket with high number do not starve */
-  /*  static int nextToService = 0; */
-  struct timeval tout, *p_tout;
-
-  int max_fds=0; /* first arg of select: number of existing sockets */
-  fd_set FDS;
-  int ready; /* return of select: number of socket ready to be serviced */
-
-  gras_socket_t *sock_iter; /* iterating over all sockets */
-  int cursor;               /* iterating over all sockets */
-
-  *dst=NULL;
-  while (done == -1) {
-    if (timeout > 0) { /* did we timeout already? */
-      now = gras_os_time();
-      if (now == -1 || now >= wakeup) {
-	done = 0;	/* didn't find anything */
-	break;
-      }
-    }
-
-    /* construct the set of socket to ear from */
-    FD_ZERO(&FDS);
-    gras_dynar_foreach(sockets,cursor,sock_iter) {
-      if (sock_iter->incoming) {
-	if (max_fds < sock_iter->sd)
-	  max_fds = sock_iter->sd;
-	FD_SET(sock_iter->sd, &FDS);
-      } else {
-	DEBUG1("Not considering socket %d for select",sock_iter->sd);
-      }
-    }
-
-    /* we cannot have more than FD_SETSIZE sockets */
-    if (++max_fds > FD_SETSIZE) {
-      WARN0("too many open sockets.");
-      done = 0;
-      break;
-    }
-
-    if (timeout > 0) { 
-      /* set the timeout */
-      tout.tv_sec = (unsigned long)((wakeup - now)/1000000);
-      tout.tv_usec = (unsigned long)(wakeup - now) % 1000000;
-      p_tout = &tout;
-    } else if (timeout == 0) {
-      /* polling only */
-      tout.tv_sec = 0;
-      tout.tv_usec = 0;
-      p_tout = &tout;
-      /* we just do one loop around */
-      done = 0;
-    } else { 
-      /* no timeout: good luck! */
-      p_tout = NULL;
-    }
-
-    DEBUG1("Selecting over %d socket(s)", max_fds-1);
-    ready = select(max_fds, &FDS, NULL, NULL, p_tout);
-    if (ready == -1) {
-      switch (errno) {
-      case  EINTR: /* a signal we don't care about occured. we don't care */
-	/* if we cared, we would have set an handler */
-	continue;
-      case EINVAL: /* invalid value */
-	RAISE3(system_error,"invalid select: nb fds: %d, timeout: %d.%d",
-	       max_fds, (int)tout.tv_sec,(int) tout.tv_usec);
-      case ENOMEM: 
-	gras_assert0(0,"Malloc error during the select");
-      default:
-	RAISE2(system_error,"Error during select: %s (%d)",
-	       strerror(errno),errno);
-      }
-      RAISE_IMPOSSIBLE;
-    } else if (ready == 0) {
-      continue;	 /* this was a timeout */
-    }
-
-    gras_dynar_foreach(sockets,cursor,sock_iter) { 
-       if(!FD_ISSET(sock_iter->sd, &FDS)) { /* this socket is not ready */
-	continue;
-       }
-       
-       /* Got a socket to serve */
-       ready--;
-
-       if (   sock_iter->accepting
-	   && sock_iter->plugin->socket_accept) { 
-	 /* not a socket but an ear. accept on it and serve next socket */
-	 gras_socket_t *accepted;
-
-	 TRY(sock_iter->plugin->socket_accept(sock_iter,&accepted));
-	 accepted->raw = sock_iter->raw;
-       } else {
-#if 0 
-       FIXME: this fails of files. quite logical
-	 /* Make sure the socket is still alive by reading the first byte */
-	 char lookahead;
-	 int recvd;
-
-	 recvd = recv(sock_iter->sd, &lookahead, 1, MSG_PEEK);
-	 if (recvd < 0) {
-	   WARN2("socket %d failed: %s", sock_iter->sd, strerror(errno));
-	   /* done with this socket */
-	   gras_socket_close(&sock_iter);
-	   cursor--;
-	 } else if (recvd == 0) {
-	   /* Connection reset (=closed) by peer. */
-	   DEBUG1("Connection %d reset by peer", sock_iter->sd);
-	   gras_socket_close(&sock_iter); 
-	   cursor--; 
-	 } else { 
-#endif
-	   /* Got a suited socket ! */
-	   *dst = sock_iter;
-	   return no_error;
-#if 0
-	 }
-#endif
-       }
-
-       
-       /* if we're here, the socket we found wasn't really ready to be served */
-       if (ready == 0) /* exausted all sockets given by select. Request new ones */
-	 break; 
-    }
-
-  }
-
-  return timeout_error;
-}
-
-gras_error_t gras_trp_sg_setup(gras_trp_plugin_t *plug) {
-  return mismatch_error;
-}