/*
Unix SMB/CIFS implementation.
+
process model: process (1 process handles all client connections)
+
Copyright (C) Andrew Tridgell 2003
Copyright (C) James J Myers 2003 <myersjj@samba.org>
Copyright (C) Stefan (metze) Metzmacher 2004
*/
#include "includes.h"
-#include "events.h"
-#include "dlinklist.h"
#include "smb_server/smb_server.h"
-#include "process_model.h"
+
+/* For sepecifiying event context to GSSAPI below */
+#include "heimdal/lib/gssapi/gssapi_locl.h"
/*
called when the process model is selected
*/
-static void single_model_init(struct server_context *server)
-{
-}
-
-static void single_model_exit(struct server_context *server, const char *reason)
+static void single_model_init(struct event_context *ev)
{
- DEBUG(1,("single_exit_server: reason[%s]\n",reason));
- talloc_free(server);
- exit(0);
+ /* Hack to ensure that GSSAPI uses the right event context */
+ gssapi_krb5_init_ev(ev);
}
/*
- called when a listening socket becomes readable
+ called when a listening socket becomes readable.
*/
-static void single_accept_connection(struct event_context *ev, struct fd_event *srv_fde,
- struct timeval t, uint16_t flags)
+static void single_accept_connection(struct event_context *ev,
+ struct socket_context *sock,
+ void (*new_conn)(struct event_context *, struct socket_context *,
+ uint32_t , void *),
+ void *private)
{
NTSTATUS status;
- struct socket_context *sock;
- struct server_stream_socket *stream_socket = srv_fde->private;
- struct server_connection *conn;
+ struct socket_context *sock2;
/* accept an incoming connection. */
- status = socket_accept(stream_socket->socket, &sock);
+ status = socket_accept(sock, &sock2);
if (!NT_STATUS_IS_OK(status)) {
- DEBUG(0,("accept_connection_single: accept: %s\n",
- nt_errstr(status)));
+ DEBUG(0,("accept_connection_single: accept: %s\n", nt_errstr(status)));
+ /* this looks strange, but is correct. We need to
+ throttle things until the system clears enough
+ resources to handle this new socket. If we don't
+ then we will spin filling the log and causing more
+ problems. We don't panic as this is probably a
+ temporary resource constraint */
+ sleep(1);
return;
}
- conn = server_setup_connection(ev, stream_socket, sock, t, socket_get_fd(sock));
- if (!conn) {
- DEBUG(10,("server_setup_connection failed\n"));
- return;
- }
+ talloc_steal(private, sock);
- talloc_steal(conn, sock);
-
- /* return to event handling */
- return;
-}
-
-
-
-/* called when a SMB connection goes down */
-static void single_terminate_connection(struct server_connection *conn, const char *reason)
-{
- DEBUG(2,("single_terminate_connection: reason[%s]\n",reason));
-
- if (conn) {
- talloc_free(conn);
- }
+ new_conn(ev, sock2, socket_get_fd(sock2), private);
}
/*
- called to create a new event context for a new task
+ called to startup a new task
*/
-static void single_create_task(struct server_task *task)
+static void single_new_task(struct event_context *ev,
+ void (*new_task)(struct event_context *, uint32_t, void *),
+ void *private)
{
- task->task.id = (uint32_t)task;
- task->event.ctx = task->service->server->event.ctx;
-
- /* setup to receive internal messages on this connection */
- task->messaging.ctx = messaging_init(task, task->task.id, task->event.ctx);
- if (!task->messaging.ctx) {
- server_terminate_task(task, "messaging_init() failed");
- return;
- }
-
- task->task.ops->task_init(task);
- return;
+ static uint32_t taskid = 0x10000000;
+ new_task(ev, taskid++, private);
}
-/*
- called to exit from a server_task
-*/
-static void single_terminate_task(struct server_task *task, const char *reason)
+
+/* called when a task goes down */
+static void single_terminate(struct event_context *ev, const char *reason)
{
- DEBUG(1,("single_exit_server: reason[%s]\n",reason));
- talloc_free(task);
- return;
+ DEBUG(2,("single_terminate: reason[%s]\n",reason));
}
static const struct model_ops single_ops = {
.name = "single",
-
.model_init = single_model_init,
- .model_exit = single_model_exit,
-
+ .new_task = single_new_task,
.accept_connection = single_accept_connection,
- .terminate_connection = single_terminate_connection,
-
- .create_task = single_create_task,
- .terminate_task = single_terminate_task
+ .terminate = single_terminate,
};
/*
- initialise the single process model, registering ourselves with the process model subsystem
+ initialise the single process model, registering ourselves with the
+ process model subsystem
*/
NTSTATUS process_model_single_init(void)
{
- NTSTATUS ret;
-
- /* register ourselves with the PROCESS_MODEL subsystem. */
- ret = register_process_model(&single_ops);
- if (!NT_STATUS_IS_OK(ret)) {
- DEBUG(0,("Failed to register process_model 'single'!\n"));
- return ret;
- }
-
- return ret;
+ return register_process_model(&single_ops);
}
git.samba.org / abartlet / samba.git / .git / blobdiff