Fix problem where hostname would end up with trailing . and be accepted as

[m6w6/libmemcached] / libmemcached / io.c

diff --git a/libmemcached/io.c b/libmemcached/io.c
index 17de85725d32c28c36c540644056d807111666e7..2515dc1ea7c72b5f5e2a42404d3aa11f23233c4f 100644 (file)
--- a/libmemcached/io.c
+++ b/libmemcached/io.c
@@ -55,14 +55,10 @@ static memcached_return_t io_wait(memcached_server_write_instance_st ptr,
       return MEMCACHED_FAILURE;
   }
 
-  int timeout= ptr->root->poll_timeout;
-  if (ptr->root->flags.no_block == false)
-    timeout= -1;
-
   size_t loop_max= 5;
   while (--loop_max) // While loop is for ERESTART or EINTR
   {
-    error= poll(&fds, 1, timeout);
+    error= poll(&fds, 1, ptr->root->poll_timeout);
 
     switch (error)
     {
@@ -109,6 +105,11 @@ static memcached_return_t io_wait(memcached_server_write_instance_st ptr,
   return MEMCACHED_FAILURE;
 }
 
+memcached_return_t memcached_io_wait_for_write(memcached_server_write_instance_st ptr)
+{
+  return io_wait(ptr, MEM_WRITE);
+}
+
 /**
  * Try to fill the input buffer for a server with as much
  * data as possible.
@@ -313,7 +314,7 @@ memcached_return_t memcached_io_read(memcached_server_write_instance_st ptr,
             and protocol enforcement happens at memcached_response()
             looking for '\n'. We do not care for UDB which requests 8 bytes
             at once. Generally, this means that connection went away. Since
-            for blocking I/O we do not return 0 and for non-blocking case
+            for blocking I/O we do not return EXIT_SUCCESS and for non-blocking case
             it will return EGAIN if data is not immediatly available.
           */
           WATCHPOINT_STRING("We had a zero length recv()");
@@ -386,7 +387,6 @@ static ssize_t _io_write(memcached_server_write_instance_st ptr,
       should_write= length;
       if (ptr->write_buffer_offset + should_write > buffer_end)
       {
-        fprintf(stderr, "%s:%d (%s)\n", __FILE__, __LINE__,__func__);fflush(stdout);
         return -1;
       }
     }
@@ -412,7 +412,6 @@ static ssize_t _io_write(memcached_server_write_instance_st ptr,
       sent_length= io_flush(ptr, &rc);
       if (sent_length == -1)
       {
-        fprintf(stderr, "%s:%d (%s)\n", __FILE__, __LINE__,__func__);fflush(stdout);
         return -1;
       }
 
@@ -430,7 +429,6 @@ static ssize_t _io_write(memcached_server_write_instance_st ptr,
     WATCHPOINT_ASSERT(ptr->fd != INVALID_SOCKET);
     if (io_flush(ptr, &rc) == -1)
     {
-      fprintf(stderr, "%s:%d (%s)\n", __FILE__, __LINE__,__func__);fflush(stdout);
       return -1;
     }
 
@@ -582,7 +580,6 @@ static ssize_t io_flush(memcached_server_write_instance_st ptr,
 
     if (rc != MEMCACHED_SUCCESS && rc != MEMCACHED_STORED)
     {
-      fprintf(stderr, "%s:%d (%s)\n", __FILE__, __LINE__,__func__);fflush(stdout);
       return -1;
     }
   }
@@ -598,13 +595,12 @@ static ssize_t io_flush(memcached_server_write_instance_st ptr,
   // UDP Sanity check, make sure that we are not sending somthing too big
   if (ptr->type == MEMCACHED_CONNECTION_UDP && write_length > MAX_UDP_DATAGRAM_LENGTH)
   {
-    fprintf(stderr, "%s:%d (%s)\n", __FILE__, __LINE__,__func__);fflush(stdout);
     return -1;
   }
 
   if (ptr->write_buffer_offset == 0 || (ptr->type == MEMCACHED_CONNECTION_UDP
                                         && ptr->write_buffer_offset == UDP_DATAGRAM_HEADER_LENGTH))
-    return 0;
+    return EXIT_SUCCESS;
 
   /* Looking for memory overflows */
 #if defined(DEBUG)
@@ -622,7 +618,8 @@ static ssize_t io_flush(memcached_server_write_instance_st ptr,
     if (ptr->type == MEMCACHED_CONNECTION_UDP)
       increment_udp_message_id(ptr);
 
-    sent_length= send(ptr->fd, local_write_ptr, write_length, 0);
+    WATCHPOINT_ASSERT(ptr->fd != -1);
+    sent_length= send(ptr->fd, local_write_ptr, write_length, MSG_NOSIGNAL|MSG_DONTWAIT);
     if (sent_length == SOCKET_ERROR)
     {
       ptr->cached_errno= get_socket_errno();
@@ -656,13 +653,14 @@ static ssize_t io_flush(memcached_server_write_instance_st ptr,
             continue;
 
           memcached_quit_server(ptr, true);
-          fprintf(stderr, "%s:%d (%s)\n", __FILE__, __LINE__,__func__);fflush(stdout);
           return -1;
         }
+      case ENOTCONN:
+      case EPIPE:
       default:
         memcached_quit_server(ptr, true);
         *error= MEMCACHED_ERRNO;
-        fprintf(stderr, "%s:%d (%s)\n", __FILE__, __LINE__,__func__);fflush(stdout);
+        WATCHPOINT_ASSERT(ptr->fd == -1);
         return -1;
       }
     }
@@ -671,7 +669,6 @@ static ssize_t io_flush(memcached_server_write_instance_st ptr,
         (size_t)sent_length != write_length)
     {
       memcached_quit_server(ptr, true);
-      fprintf(stderr, "%s:%d (%s)\n", __FILE__, __LINE__,__func__);fflush(stdout);
       return -1;
     }