documentation improvement

[simgrid.git] / src / gras / Transport / transport_plugin_file.c

diff --git a/src/gras/Transport/transport_plugin_file.c b/src/gras/Transport/transport_plugin_file.c
index 5642aee..7b20968 100644 (file)
--- a/src/gras/Transport/transport_plugin_file.c
+++ b/src/gras/Transport/transport_plugin_file.c
@@ -8,7 +8,7 @@
  * under the terms of the license (GNU LGPL) which comes with this package. */
 
 #include "portable.h"
-#include "transport_private.h"
+#include "gras/Transport/transport_private.h"
 #include "xbt/ex.h"
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(gras_trp_file,gras_trp,
@@ -84,7 +84,7 @@ gras_socket_client_from_file(const char*path) {
   res->plugin=gras_trp_plugin_get_by_name("file");
 
   if (strcmp("-", path)) {
-    res->sd = open(path, O_WRONLY|O_CREAT | O_BINARY, S_IRUSR|S_IWUSR|S_IRGRP );
+    res->sd = open(path, O_TRUNC|O_WRONLY|O_CREAT | O_BINARY, S_IRUSR|S_IWUSR|S_IRGRP );
     
     if ( res->sd < 0) {
       THROW2(system_error,0,
@@ -102,6 +102,8 @@ gras_socket_client_from_file(const char*path) {
         res->outgoing?'y':'n',
         res->accepting?'y':'n');
 
+  xbt_dynar_push(((gras_trp_procdata_t)
+                 gras_libdata_by_id(gras_trp_libdata_id))->sockets,&res);
   return res;
 }
 
@@ -141,6 +143,8 @@ gras_socket_t gras_socket_server_from_file(const char*path) {
         res->outgoing?'y':'n',
         res->accepting?'y':'n');
 
+  xbt_dynar_push(((gras_trp_procdata_t)
+                 gras_libdata_by_id(gras_trp_libdata_id))->sockets,&res);
   return res;
 }
 
@@ -224,13 +228,20 @@ gras_trp_file_chunk_recv(gras_socket_t sock,
   xbt_assert0(sock->incoming, "Cannot recv on client file socket");
   xbt_assert0(size >= 0, "Cannot receive a negative amount of data");
 
+  if (sock->recvd) {
+     data[0] = sock->recvd_val;
+     sock->recvd = 0;
+     got++;
+     size--;
+  }   
+   
   while (size) {
     int status = 0;
     
     status = read(sock->sd, data+got, (long int)size);
     DEBUG3("read(%d, %p, %ld);", sock->sd, data+got, size);
     
-    if (status == -1) {
+    if (status < 0) {
       THROW4(system_error,0,"read(%d,%p,%d) failed: %s",
             sock->sd, data+got, (int)size,
             strerror(errno));
@@ -240,7 +251,7 @@ gras_trp_file_chunk_recv(gras_socket_t sock,
       size    -= status;
       got    += status;
     } else {
-      THROW0(system_error,0,"file descriptor closed");
+       THROW1(system_error,errno,"file descriptor closed after %d bytes",got);
     }
   }
   return got;