/*
- * Copyright (c) 2008, 2009, 2010 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include "poll-loop.h"
#include "shash.h"
#include "socket-util.h"
+#include "svec.h"
#include "util.h"
+#include "vlog.h"
#ifndef SCM_CREDENTIALS
#include <time.h>
#endif
-#define THIS_MODULE VLM_unixctl
-#include "vlog.h"
+VLOG_DEFINE_THIS_MODULE(unixctl);
+
+COVERAGE_DEFINE(unixctl_received);
+COVERAGE_DEFINE(unixctl_replied);
\f
struct unixctl_command {
unixctl_cb_func *cb;
{
struct ds ds = DS_EMPTY_INITIALIZER;
struct shash_node *node;
+ struct svec names;
+ const char *name;
+ size_t i;
ds_put_cstr(&ds, "The available commands are:\n");
+
+ svec_init(&names);
SHASH_FOR_EACH (node, &commands) {
- ds_put_format(&ds, "\t%s\n", node->name);
+ svec_add(&names, node->name);
}
+ svec_sort(&names);
+
+ SVEC_FOR_EACH (i, name, &names) {
+ ds_put_format(&ds, "\t%s\n", name);
+ }
+ svec_destroy(&names);
+
unixctl_command_reply(conn, 214, ds_cstr(&ds));
ds_destroy(&ds);
}
*
* - NULL, in which case <rundir>/<program>.<pid>.ctl is used.
*
+ * - "none", in which case the function will return successfully but
+ * no socket will actually be created.
+ *
* - A name that does not start with '/', in which case it is put in
* <rundir>.
*
* "ovs-appctl --target=<program>" will fail.)
*
* Returns 0 if successful, otherwise a positive errno value. If successful,
- * sets '*serverp' to the new unixctl_server, otherwise to NULL. */
+ * sets '*serverp' to the new unixctl_server (or to NULL if 'path' was "none"),
+ * otherwise to NULL. */
int
unixctl_server_create(const char *path, struct unixctl_server **serverp)
{
struct unixctl_server *server;
int error;
+ if (path && !strcmp(path, "none")) {
+ *serverp = NULL;
+ return 0;
+ }
+
unixctl_command_register("help", unixctl_help, NULL);
server = xmalloc(sizeof *server);
list_init(&server->conns);
if (path) {
- server->path = abs_file_name(ovs_rundir, path);
+ server->path = abs_file_name(ovs_rundir(), path);
} else {
- server->path = xasprintf("%s/%s.%ld.ctl", ovs_rundir,
+ server->path = xasprintf("%s/%s.%ld.ctl", ovs_rundir(),
program_name, (long int) getpid());
}
struct unixctl_conn *conn, *next;
int i;
+ if (!server) {
+ return;
+ }
+
for (i = 0; i < 10; i++) {
int fd = accept(server->fd, NULL, NULL);
if (fd < 0) {
new_connection(server, fd);
}
- LIST_FOR_EACH_SAFE (conn, next,
- struct unixctl_conn, node, &server->conns) {
+ LIST_FOR_EACH_SAFE (conn, next, node, &server->conns) {
int error = run_connection(conn);
if (error && error != EAGAIN) {
kill_connection(conn);
{
struct unixctl_conn *conn;
+ if (!server) {
+ return;
+ }
+
poll_fd_wait(server->fd, POLLIN);
- LIST_FOR_EACH (conn, struct unixctl_conn, node, &server->conns) {
+ LIST_FOR_EACH (conn, node, &server->conns) {
if (conn->state == S_RECV) {
poll_fd_wait(conn->fd, POLLIN);
} else if (conn->state == S_SEND) {
if (server) {
struct unixctl_conn *conn, *next;
- LIST_FOR_EACH_SAFE (conn, next,
- struct unixctl_conn, node, &server->conns) {
+ LIST_FOR_EACH_SAFE (conn, next, node, &server->conns) {
kill_connection(conn);
}
\f
/* Connects to a Vlog server socket. 'path' should be the name of a Vlog
* server socket. If it does not start with '/', it will be prefixed with
- * ovs_rundir (e.g. /var/run/openvswitch).
+ * the rundir (e.g. /usr/local/var/run/openvswitch).
*
* Returns 0 if successful, otherwise a positive errno value. If successful,
* sets '*clientp' to the new unixctl_client, otherwise to NULL. */
/* Determine location. */
client = xmalloc(sizeof *client);
- client->connect_path = abs_file_name(ovs_rundir, path);
+ client->connect_path = abs_file_name(ovs_rundir(), path);
client->bind_path = xasprintf("/tmp/vlog.%ld.%d",
(long int) getpid(), counter++);
if (error) {
VLOG_WARN("error reading reply from %s: %s",
client->connect_path,
- (error == EOF ? "unexpected end of file"
- : strerror(error)));
+ ovs_retval_to_string(error));
goto error;
}