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authorVolker Lendecke <vl@samba.org>2008-01-24 19:17:14 +0100
committerVolker Lendecke <vl@samba.org>2008-02-02 11:03:21 +0100
commit3f970f91c2af77acd531c37ee3aa1a09ca71e7ab (patch)
tree7785192dd8ba156781047a0c4d76e7711c641a89 /source3
parentfa5391a919cf729134d9ec0368fced9cc028d02e (diff)
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Add read_socket_with_timeout_ntstatus
(This used to be commit 546ca0414aa1a9389e620b8f532224a3a19256d4)
Diffstat (limited to 'source3')
-rw-r--r--source3/lib/util_sock.c71
1 files changed, 48 insertions, 23 deletions
diff --git a/source3/lib/util_sock.c b/source3/lib/util_sock.c
index f5797f175b..f61cdb151e 100644
--- a/source3/lib/util_sock.c
+++ b/source3/lib/util_sock.c
@@ -913,12 +913,10 @@ ssize_t read_udp_v4_socket(int fd,
time_out = timeout in milliseconds
****************************************************************************/
-ssize_t read_socket_with_timeout(int fd,
- char *buf,
- size_t mincnt,
- size_t maxcnt,
- unsigned int time_out,
- enum smb_read_errors *pre)
+NTSTATUS read_socket_with_timeout_ntstatus(int fd, char *buf,
+ size_t mincnt, size_t maxcnt,
+ unsigned int time_out,
+ size_t *size_ret)
{
fd_set fds;
int selrtn;
@@ -929,9 +927,7 @@ ssize_t read_socket_with_timeout(int fd,
/* just checking .... */
if (maxcnt <= 0)
- return(0);
-
- set_smb_read_error(pre,SMB_READ_OK);
+ return NT_STATUS_OK;
/* Blocking read */
if (time_out == 0) {
@@ -945,8 +941,7 @@ ssize_t read_socket_with_timeout(int fd,
if (readret == 0) {
DEBUG(5,("read_socket_with_timeout: "
"blocking read. EOF from client.\n"));
- set_smb_read_error(pre,SMB_READ_EOF);
- return -1;
+ return NT_STATUS_END_OF_FILE;
}
if (readret == -1) {
@@ -962,12 +957,11 @@ ssize_t read_socket_with_timeout(int fd,
"read error = %s.\n",
strerror(errno) ));
}
- set_smb_read_error(pre,SMB_READ_ERROR);
- return -1;
+ return map_nt_error_from_unix(errno);
}
nread += readret;
}
- return((ssize_t)nread);
+ goto done;
}
/* Most difficult - timeout read */
@@ -1001,16 +995,14 @@ ssize_t read_socket_with_timeout(int fd,
"read. select error = %s.\n",
strerror(errno) ));
}
- set_smb_read_error(pre,SMB_READ_ERROR);
- return -1;
+ return map_nt_error_from_unix(errno);
}
/* Did we timeout ? */
if (selrtn == 0) {
DEBUG(10,("read_socket_with_timeout: timeout read. "
"select timed out.\n"));
- set_smb_read_error(pre,SMB_READ_TIMEOUT);
- return -1;
+ return NT_STATUS_IO_TIMEOUT;
}
readret = sys_read(fd, buf+nread, maxcnt-nread);
@@ -1019,8 +1011,7 @@ ssize_t read_socket_with_timeout(int fd,
/* we got EOF on the file descriptor */
DEBUG(5,("read_socket_with_timeout: timeout read. "
"EOF from client.\n"));
- set_smb_read_error(pre,SMB_READ_EOF);
- return -1;
+ return NT_STATUS_END_OF_FILE;
}
if (readret == -1) {
@@ -1037,15 +1028,49 @@ ssize_t read_socket_with_timeout(int fd,
"read. read error = %s.\n",
strerror(errno) ));
}
- set_smb_read_error(pre,SMB_READ_ERROR);
- return -1;
+ return map_nt_error_from_unix(errno);
}
nread += readret;
}
+ done:
/* Return the number we got */
- return (ssize_t)nread;
+ if (size_ret) {
+ *size_ret = nread;
+ }
+ return NT_STATUS_OK;
+}
+
+ssize_t read_socket_with_timeout(int fd, char *buf,
+ size_t mincnt, size_t maxcnt,
+ unsigned int time_out,
+ enum smb_read_errors *pre)
+{
+ NTSTATUS status;
+ size_t size_ret;
+
+ set_smb_read_error(pre, SMB_READ_OK);
+
+ status = read_socket_with_timeout_ntstatus(fd, buf, mincnt, maxcnt,
+ time_out, &size_ret);
+
+ if (NT_STATUS_IS_OK(status)) {
+ return size_ret;
+ }
+
+ if (NT_STATUS_EQUAL(status, NT_STATUS_END_OF_FILE)) {
+ set_smb_read_error(pre, SMB_READ_EOF);
+ return -1;
+ }
+
+ if (NT_STATUS_EQUAL(status, NT_STATUS_IO_TIMEOUT)) {
+ set_smb_read_error(pre, SMB_READ_TIMEOUT);
+ return -1;
+ }
+
+ set_smb_read_error(pre, SMB_READ_ERROR);
+ return -1;
}
/****************************************************************************