/*
- * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include <config.h>
#include "vconn-provider.h"
-#include <assert.h>
#include <errno.h>
#include <inttypes.h>
#include <netinet/in.h>
#include "poll-loop.h"
#include "random.h"
#include "util.h"
-#include "vlog.h"
+#include "openvswitch/vlog.h"
#include "socket-util.h"
VLOG_DEFINE_THIS_MODULE(vconn);
VCS_DISCONNECTED /* Connection failed or connection closed. */
};
-static struct vconn_class *vconn_classes[] = {
+static const struct vconn_class *vconn_classes[] = {
&tcp_vconn_class,
&unix_vconn_class,
#ifdef HAVE_OPENSSL
#endif
};
-static struct pvconn_class *pvconn_classes[] = {
+static const struct pvconn_class *pvconn_classes[] = {
&ptcp_pvconn_class,
&punix_pvconn_class,
#ifdef HAVE_OPENSSL
size_t i;
for (i = 0; i < ARRAY_SIZE(vconn_classes); i++) {
- struct vconn_class *class = vconn_classes[i];
- assert(class->name != NULL);
- assert(class->open != NULL);
+ const struct vconn_class *class = vconn_classes[i];
+ ovs_assert(class->name != NULL);
+ ovs_assert(class->open != NULL);
if (class->close || class->recv || class->send
|| class->run || class->run_wait || class->wait) {
- assert(class->close != NULL);
- assert(class->recv != NULL);
- assert(class->send != NULL);
- assert(class->wait != NULL);
+ ovs_assert(class->close != NULL);
+ ovs_assert(class->recv != NULL);
+ ovs_assert(class->send != NULL);
+ ovs_assert(class->wait != NULL);
} else {
/* This class delegates to another one. */
}
}
for (i = 0; i < ARRAY_SIZE(pvconn_classes); i++) {
- struct pvconn_class *class = pvconn_classes[i];
- assert(class->name != NULL);
- assert(class->listen != NULL);
+ const struct pvconn_class *class = pvconn_classes[i];
+ ovs_assert(class->name != NULL);
+ ovs_assert(class->listen != NULL);
if (class->close || class->accept || class->wait) {
- assert(class->close != NULL);
- assert(class->accept != NULL);
- assert(class->wait != NULL);
+ ovs_assert(class->close != NULL);
+ ovs_assert(class->accept != NULL);
+ ovs_assert(class->wait != NULL);
} else {
/* This class delegates to another one. */
}
if (active) {
printf("Active OpenFlow connection methods:\n");
printf(" tcp:IP[:PORT] "
- "PORT (default: %d) at remote IP\n", OFP_TCP_PORT);
+ "PORT (default: %d) at remote IP\n", OFP_PORT);
#ifdef HAVE_OPENSSL
printf(" ssl:IP[:PORT] "
- "SSL PORT (default: %d) at remote IP\n", OFP_SSL_PORT);
+ "SSL PORT (default: %d) at remote IP\n", OFP_PORT);
#endif
printf(" unix:FILE Unix domain socket named FILE\n");
}
printf("Passive OpenFlow connection methods:\n");
printf(" ptcp:[PORT][:IP] "
"listen to TCP PORT (default: %d) on IP\n",
- OFP_TCP_PORT);
+ OFP_PORT);
#ifdef HAVE_OPENSSL
printf(" pssl:[PORT][:IP] "
"listen for SSL on PORT (default: %d) on IP\n",
- OFP_SSL_PORT);
+ OFP_PORT);
#endif
printf(" punix:FILE "
"listen on Unix domain socket FILE\n");
* a null pointer into '*classp' if 'name' is in the wrong form or if no such
* class exists. */
static int
-vconn_lookup_class(const char *name, struct vconn_class **classp)
+vconn_lookup_class(const char *name, const struct vconn_class **classp)
{
size_t prefix_len;
size_t i;
for (i = 0; i < ARRAY_SIZE(vconn_classes); i++) {
- struct vconn_class *class = vconn_classes[i];
+ const struct vconn_class *class = vconn_classes[i];
if (strlen(class->name) == prefix_len
&& !memcmp(class->name, name, prefix_len)) {
*classp = class;
int
vconn_verify_name(const char *name)
{
- struct vconn_class *class;
+ const struct vconn_class *class;
return vconn_lookup_class(name, &class);
}
* stores a pointer to the new connection in '*vconnp', otherwise a null
* pointer. */
int
-vconn_open(const char *name, uint32_t allowed_versions,
- struct vconn **vconnp, uint8_t dscp)
+vconn_open(const char *name, uint32_t allowed_versions, uint8_t dscp,
+ struct vconn **vconnp)
{
- struct vconn_class *class;
+ const struct vconn_class *class;
struct vconn *vconn;
char *suffix_copy;
int error;
}
/* Success. */
- assert(vconn->state != VCS_CONNECTING || vconn->class->connect);
+ ovs_assert(vconn->state != VCS_CONNECTING || vconn->vclass->connect);
*vconnp = vconn;
return 0;
vconn_connect(vconn);
}
- if (vconn->class->run) {
- (vconn->class->run)(vconn);
+ if (vconn->vclass->run) {
+ (vconn->vclass->run)(vconn);
}
}
vconn_connect_wait(vconn);
}
- if (vconn->class->run_wait) {
- (vconn->class->run_wait)(vconn);
+ if (vconn->vclass->run_wait) {
+ (vconn->vclass->run_wait)(vconn);
}
}
+/* Returns 0 if 'vconn' is healthy (connecting or connected), a positive errno
+ * value if the connection died abnormally (connection failed or aborted), or
+ * EOF if the connection was closed in a normal way. */
int
-vconn_open_block(const char *name, uint32_t allowed_versions,
+vconn_get_status(const struct vconn *vconn)
+{
+ return vconn->error == EAGAIN ? 0 : vconn->error;
+}
+
+int
+vconn_open_block(const char *name, uint32_t allowed_versions, uint8_t dscp,
struct vconn **vconnp)
{
struct vconn *vconn;
fatal_signal_run();
- error = vconn_open(name, allowed_versions, &vconn, DSCP_DEFAULT);
+ error = vconn_open(name, allowed_versions, dscp, &vconn);
if (!error) {
error = vconn_connect_block(vconn);
}
{
if (vconn != NULL) {
char *name = vconn->name;
- (vconn->class->close)(vconn);
+ (vconn->vclass->close)(vconn);
free(name);
}
}
return vconn->allowed_versions;
}
-/* Returns the IP address of the peer, or 0 if the peer is not connected over
- * an IP-based protocol or if its IP address is not yet known. */
-ovs_be32
-vconn_get_remote_ip(const struct vconn *vconn)
-{
- return vconn->remote_ip;
-}
-
-/* Returns the transport port of the peer, or 0 if the connection does not
- * contain a port or if the port is not yet known. */
-ovs_be16
-vconn_get_remote_port(const struct vconn *vconn)
-{
- return vconn->remote_port;
-}
-
-/* Returns the IP address used to connect to the peer, or 0 if the
- * connection is not an IP-based protocol or if its IP address is not
- * yet known. */
-ovs_be32
-vconn_get_local_ip(const struct vconn *vconn)
-{
- return vconn->local_ip;
-}
-
-/* Returns the transport port used to connect to the peer, or 0 if the
- * connection does not contain a port or if the port is not yet known. */
-ovs_be16
-vconn_get_local_port(const struct vconn *vconn)
+/* Sets the allowed_versions of 'vconn', overriding
+ * the allowed_versions passed to vconn_open(). */
+void
+vconn_set_allowed_versions(struct vconn *vconn, uint32_t allowed_versions)
{
- return vconn->local_port;
+ vconn->allowed_versions = allowed_versions;
}
/* Returns the OpenFlow version negotiated with the peer, or -1 if version
return vconn->version ? vconn->version : -1;
}
+/* By default, a vconn accepts only OpenFlow messages whose version matches the
+ * one negotiated for the connection. A message received with a different
+ * version is an error that causes the vconn to drop the connection.
+ *
+ * This functions allows 'vconn' to accept messages with any OpenFlow version.
+ * This is useful in the special case where 'vconn' is used as an rconn
+ * "monitor" connection (see rconn_add_monitor()), that is, where 'vconn' is
+ * used as a target for mirroring OpenFlow messages for debugging and
+ * troubleshooting.
+ *
+ * This function should be called after a successful vconn_open() or
+ * pvconn_accept() but before the connection completes, that is, before
+ * vconn_connect() returns success. Otherwise, messages that arrive on 'vconn'
+ * beforehand with an unexpected version will the vconn to drop the
+ * connection. */
+void
+vconn_set_recv_any_version(struct vconn *vconn)
+{
+ vconn->recv_any_version = true;
+}
+
static void
vcs_connecting(struct vconn *vconn)
{
- int retval = (vconn->class->connect)(vconn);
- assert(retval != EINPROGRESS);
+ int retval = (vconn->vclass->connect)(vconn);
+ ovs_assert(retval != EINPROGRESS);
if (!retval) {
vconn->state = VCS_SEND_HELLO;
} else if (retval != EAGAIN) {
} else if (is_pow2((bitmap >> 1) + 1)) {
ds_put_cstr(&s, "version ");
ofputil_format_version(&s, leftmost_1bit_idx(bitmap));
- ds_put_cstr(&s, "and earlier");
+ ds_put_cstr(&s, " and earlier");
} else {
ds_put_cstr(&s, "versions ");
ofputil_format_version_bitmap(&s, bitmap);
return vconn->error;
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
} while (vconn->state != last_state);
if (!retval) {
retval = do_recv(vconn, &msg);
}
- if (!retval) {
+ if (!retval && !vconn->recv_any_version) {
const struct ofp_header *oh = msg->data;
if (oh->version != vconn->version) {
enum ofptype type;
type != OFPTYPE_ERROR &&
type != OFPTYPE_ECHO_REQUEST &&
type != OFPTYPE_ECHO_REPLY)) {
+ struct ofpbuf *reply;
+
VLOG_ERR_RL(&bad_ofmsg_rl, "%s: received OpenFlow version "
"0x%02"PRIx8" != expected %02x",
vconn->name, oh->version, vconn->version);
+
+ /* Send a "bad version" reply, if we can. */
+ reply = ofperr_encode_reply(OFPERR_OFPBRC_BAD_VERSION, oh);
+ retval = vconn_send(vconn, reply);
+ if (retval) {
+ VLOG_INFO_RL(&bad_ofmsg_rl,
+ "%s: failed to queue error reply (%s)",
+ vconn->name, ovs_strerror(retval));
+ ofpbuf_delete(reply);
+ }
+
+ /* Suppress the received message, as if it had not arrived. */
+ retval = EAGAIN;
ofpbuf_delete(msg);
- retval = EPROTO;
}
}
}
static int
do_recv(struct vconn *vconn, struct ofpbuf **msgp)
{
- int retval = (vconn->class->recv)(vconn, msgp);
+ int retval = (vconn->vclass->recv)(vconn, msgp);
if (!retval) {
COVERAGE_INC(vconn_received);
if (VLOG_IS_DBG_ENABLED()) {
{
int retval;
- assert(msg->size >= sizeof(struct ofp_header));
+ ovs_assert(msg->size >= sizeof(struct ofp_header));
ofpmsg_update_length(msg);
if (!VLOG_IS_DBG_ENABLED()) {
COVERAGE_INC(vconn_sent);
- retval = (vconn->class->send)(vconn, msg);
+ retval = (vconn->vclass->send)(vconn, msg);
} else {
char *s = ofp_to_string(msg->data, msg->size, 1);
- retval = (vconn->class->send)(vconn, msg);
+ retval = (vconn->vclass->send)(vconn, msg);
if (retval != EAGAIN) {
VLOG_DBG_RL(&ofmsg_rl, "%s: sent (%s): %s",
- vconn->name, strerror(retval), s);
+ vconn->name, ovs_strerror(retval), s);
}
free(s);
}
vconn_connect_wait(vconn);
poll_block();
}
- assert(error != EINPROGRESS);
+ ovs_assert(error != EINPROGRESS);
return error;
}
return retval;
}
-/* Waits until a message with a transaction ID matching 'xid' is recived on
- * 'vconn'. Returns 0 if successful, in which case the reply is stored in
- * '*replyp' for the caller to examine and free. Otherwise returns a positive
- * errno value, or EOF, and sets '*replyp' to null.
- *
- * 'request' is always destroyed, regardless of the return value. */
-int
-vconn_recv_xid(struct vconn *vconn, ovs_be32 xid, struct ofpbuf **replyp)
+static int
+vconn_recv_xid__(struct vconn *vconn, ovs_be32 xid, struct ofpbuf **replyp,
+ void (*error_reporter)(const struct ofp_header *))
{
for (;;) {
ovs_be32 recv_xid;
struct ofpbuf *reply;
+ const struct ofp_header *oh;
+ enum ofptype type;
int error;
error = vconn_recv_block(vconn, &reply);
*replyp = NULL;
return error;
}
- recv_xid = ((struct ofp_header *) reply->data)->xid;
+ oh = reply->data;
+ recv_xid = oh->xid;
if (xid == recv_xid) {
*replyp = reply;
return 0;
}
- VLOG_DBG_RL(&bad_ofmsg_rl, "%s: received reply with xid %08"PRIx32
- " != expected %08"PRIx32,
- vconn->name, ntohl(recv_xid), ntohl(xid));
+ error = ofptype_decode(&type, oh);
+ if (!error && type == OFPTYPE_ERROR && error_reporter) {
+ error_reporter(oh);
+ } else {
+ VLOG_DBG_RL(&bad_ofmsg_rl, "%s: received reply with xid %08"PRIx32
+ " != expected %08"PRIx32,
+ vconn->name, ntohl(recv_xid), ntohl(xid));
+ }
ofpbuf_delete(reply);
}
}
+/* Waits until a message with a transaction ID matching 'xid' is received on
+ * 'vconn'. Returns 0 if successful, in which case the reply is stored in
+ * '*replyp' for the caller to examine and free. Otherwise returns a positive
+ * errno value, or EOF, and sets '*replyp' to null.
+ *
+ * 'request' is always destroyed, regardless of the return value. */
+int
+vconn_recv_xid(struct vconn *vconn, ovs_be32 xid, struct ofpbuf **replyp)
+{
+ return vconn_recv_xid__(vconn, xid, replyp, NULL);
+}
+
+static int
+vconn_transact__(struct vconn *vconn, struct ofpbuf *request,
+ struct ofpbuf **replyp,
+ void (*error_reporter)(const struct ofp_header *))
+{
+ ovs_be32 send_xid = ((struct ofp_header *) request->data)->xid;
+ int error;
+
+ *replyp = NULL;
+ error = vconn_send_block(vconn, request);
+ if (error) {
+ ofpbuf_delete(request);
+ }
+ return error ? error : vconn_recv_xid__(vconn, send_xid, replyp,
+ error_reporter);
+}
+
/* Sends 'request' to 'vconn' and blocks until it receives a reply with a
* matching transaction ID. Returns 0 if successful, in which case the reply
* is stored in '*replyp' for the caller to examine and free. Otherwise
vconn_transact(struct vconn *vconn, struct ofpbuf *request,
struct ofpbuf **replyp)
{
- ovs_be32 send_xid = ((struct ofp_header *) request->data)->xid;
- int error;
-
- *replyp = NULL;
- error = vconn_send_block(vconn, request);
- if (error) {
- ofpbuf_delete(request);
- }
- return error ? error : vconn_recv_xid(vconn, send_xid, replyp);
+ return vconn_transact__(vconn, request, replyp, NULL);
}
/* Sends 'request' followed by a barrier request to 'vconn', then blocks until
* All of the requests on 'requests' are always destroyed, regardless of the
* return value. */
int
-vconn_transact_multiple_noreply(struct vconn *vconn, struct list *requests,
+vconn_transact_multiple_noreply(struct vconn *vconn, struct ovs_list *requests,
struct ofpbuf **replyp)
{
- struct ofpbuf *request, *next;
+ struct ofpbuf *request;
- LIST_FOR_EACH_SAFE (request, next, list_node, requests) {
+ LIST_FOR_EACH_POP (request, list_node, requests) {
int error;
- list_remove(&request->list_node);
-
error = vconn_transact_noreply(vconn, request, replyp);
if (error || *replyp) {
ofpbuf_list_delete(requests);
return 0;
}
+static enum ofperr
+vconn_bundle_reply_validate(struct ofpbuf *reply,
+ struct ofputil_bundle_ctrl_msg *request,
+ void (*error_reporter)(const struct ofp_header *))
+{
+ const struct ofp_header *oh;
+ enum ofptype type;
+ enum ofperr error;
+ struct ofputil_bundle_ctrl_msg rbc;
+
+ oh = reply->data;
+ error = ofptype_decode(&type, oh);
+ if (error) {
+ return error;
+ }
+
+ if (type == OFPTYPE_ERROR) {
+ error_reporter(oh);
+ return ofperr_decode_msg(oh, NULL);
+ }
+ if (type != OFPTYPE_BUNDLE_CONTROL) {
+ return OFPERR_OFPBRC_BAD_TYPE;
+ }
+
+ error = ofputil_decode_bundle_ctrl(oh, &rbc);
+ if (error) {
+ return error;
+ }
+
+ if (rbc.bundle_id != request->bundle_id) {
+ return OFPERR_OFPBFC_BAD_ID;
+ }
+
+ if (rbc.type != request->type + 1) {
+ return OFPERR_OFPBFC_BAD_TYPE;
+ }
+
+ return 0;
+}
+
+/* Send bundle control message 'bc' of 'type' via 'vconn', and wait for either
+ * an error or the corresponding bundle control message response.
+ *
+ * 'error_reporter' is called for any error responses received, which may be
+ * also regarding earlier OpenFlow messages than this bundle control message.
+ *
+ * Returns errno value, or 0 when successful. */
+static int
+vconn_bundle_control_transact(struct vconn *vconn,
+ struct ofputil_bundle_ctrl_msg *bc,
+ uint16_t type,
+ void (*error_reporter)(const struct ofp_header *))
+{
+ struct ofpbuf *request, *reply;
+ int error;
+ enum ofperr ofperr;
+
+ bc->type = type;
+ request = ofputil_encode_bundle_ctrl_request(vconn->version, bc);
+ ofpmsg_update_length(request);
+ error = vconn_transact__(vconn, request, &reply, error_reporter);
+ if (error) {
+ return error;
+ }
+
+ ofperr = vconn_bundle_reply_validate(reply, bc, error_reporter);
+ if (ofperr) {
+ VLOG_WARN_RL(&bad_ofmsg_rl, "Bundle %s failed (%s).",
+ type == OFPBCT_OPEN_REQUEST ? "open"
+ : type == OFPBCT_CLOSE_REQUEST ? "close"
+ : type == OFPBCT_COMMIT_REQUEST ? "commit"
+ : type == OFPBCT_DISCARD_REQUEST ? "discard"
+ : "control message",
+ ofperr_to_string(ofperr));
+ }
+ ofpbuf_delete(reply);
+
+ return ofperr ? EPROTO : 0;
+}
+
+/* Checks if error responses can be received on 'vconn'. */
+static void
+vconn_recv_error(struct vconn *vconn,
+ void (*error_reporter)(const struct ofp_header *))
+{
+ int error;
+
+ do {
+ struct ofpbuf *reply;
+
+ error = vconn_recv(vconn, &reply);
+ if (!error) {
+ const struct ofp_header *oh;
+ enum ofptype type;
+ enum ofperr ofperr;
+
+ oh = reply->data;
+ ofperr = ofptype_decode(&type, oh);
+ if (!ofperr && type == OFPTYPE_ERROR) {
+ error_reporter(oh);
+ } else {
+ VLOG_DBG_RL(&bad_ofmsg_rl,
+ "%s: received unexpected reply with xid %08"PRIx32,
+ vconn->name, ntohl(oh->xid));
+ }
+ ofpbuf_delete(reply);
+ }
+ } while (!error);
+}
+
+static int
+vconn_bundle_add_msg(struct vconn *vconn, struct ofputil_bundle_ctrl_msg *bc,
+ struct ofpbuf *msg,
+ void (*error_reporter)(const struct ofp_header *))
+{
+ struct ofputil_bundle_add_msg bam;
+ struct ofpbuf *request;
+ int error;
+
+ bam.bundle_id = bc->bundle_id;
+ bam.flags = bc->flags;
+ bam.msg = msg->data;
+
+ request = ofputil_encode_bundle_add(vconn->version, &bam);
+ ofpmsg_update_length(request);
+
+ error = vconn_send_block(vconn, request);
+ if (!error) {
+ /* Check for an error return, so that the socket buffer does not become
+ * full of errors. */
+ vconn_recv_error(vconn, error_reporter);
+ }
+ return error;
+}
+
+int
+vconn_bundle_transact(struct vconn *vconn, struct ovs_list *requests,
+ uint16_t flags,
+ void (*error_reporter)(const struct ofp_header *))
+{
+ struct ofputil_bundle_ctrl_msg bc;
+ struct ofpbuf *request;
+ int error;
+
+ memset(&bc, 0, sizeof bc);
+ bc.flags = flags;
+ error = vconn_bundle_control_transact(vconn, &bc, OFPBCT_OPEN_REQUEST,
+ error_reporter);
+ if (error) {
+ return error;
+ }
+
+ LIST_FOR_EACH (request, list_node, requests) {
+ error = vconn_bundle_add_msg(vconn, &bc, request, error_reporter);
+ if (error) {
+ break;
+ }
+ }
+
+ if (!error) {
+ error = vconn_bundle_control_transact(vconn, &bc,
+ OFPBCT_COMMIT_REQUEST,
+ error_reporter);
+ } else {
+ /* Do not overwrite the error code from vconn_bundle_add_msg().
+ * Any error in discard should be either reported or logged, so it
+ * should not get lost. */
+ vconn_bundle_control_transact(vconn, &bc, OFPBCT_DISCARD_REQUEST,
+ error_reporter);
+ }
+ return error;
+}
+
void
vconn_wait(struct vconn *vconn, enum vconn_wait_type wait)
{
- assert(wait == WAIT_CONNECT || wait == WAIT_RECV || wait == WAIT_SEND);
+ ovs_assert(wait == WAIT_CONNECT || wait == WAIT_RECV || wait == WAIT_SEND);
switch (vconn->state) {
case VCS_CONNECTING:
poll_immediate_wake();
return;
}
- (vconn->class->wait)(vconn, wait);
+ (vconn->vclass->wait)(vconn, wait);
}
void
* a null pointer into '*classp' if 'name' is in the wrong form or if no such
* class exists. */
static int
-pvconn_lookup_class(const char *name, struct pvconn_class **classp)
+pvconn_lookup_class(const char *name, const struct pvconn_class **classp)
{
size_t prefix_len;
size_t i;
for (i = 0; i < ARRAY_SIZE(pvconn_classes); i++) {
- struct pvconn_class *class = pvconn_classes[i];
+ const struct pvconn_class *class = pvconn_classes[i];
if (strlen(class->name) == prefix_len
&& !memcmp(class->name, name, prefix_len)) {
*classp = class;
int
pvconn_verify_name(const char *name)
{
- struct pvconn_class *class;
+ const struct pvconn_class *class;
return pvconn_lookup_class(name, &class);
}
* stores a pointer to the new connection in '*pvconnp', otherwise a null
* pointer. */
int
-pvconn_open(const char *name, uint32_t allowed_versions,
- struct pvconn **pvconnp, uint8_t dscp)
+pvconn_open(const char *name, uint32_t allowed_versions, uint8_t dscp,
+ struct pvconn **pvconnp)
{
- struct pvconn_class *class;
+ const struct pvconn_class *class;
struct pvconn *pvconn;
char *suffix_copy;
int error;
{
if (pvconn != NULL) {
char *name = pvconn->name;
- (pvconn->class->close)(pvconn);
+ (pvconn->pvclass->close)(pvconn);
free(name);
}
}
int
pvconn_accept(struct pvconn *pvconn, struct vconn **new_vconn)
{
- int retval = (pvconn->class->accept)(pvconn, new_vconn);
+ int retval = (pvconn->pvclass->accept)(pvconn, new_vconn);
if (retval) {
*new_vconn = NULL;
} else {
- assert((*new_vconn)->state != VCS_CONNECTING
- || (*new_vconn)->class->connect);
+ ovs_assert((*new_vconn)->state != VCS_CONNECTING
+ || (*new_vconn)->vclass->connect);
}
return retval;
}
void
pvconn_wait(struct pvconn *pvconn)
{
- (pvconn->class->wait)(pvconn);
+ (pvconn->pvclass->wait)(pvconn);
}
/* Initializes 'vconn' as a new vconn named 'name', implemented via 'class'.
*
* The caller retains ownership of 'name'. */
void
-vconn_init(struct vconn *vconn, struct vconn_class *class, int connect_status,
- const char *name, uint32_t allowed_versions)
+vconn_init(struct vconn *vconn, const struct vconn_class *class,
+ int connect_status, const char *name, uint32_t allowed_versions)
{
- vconn->class = class;
+ memset(vconn, 0, sizeof *vconn);
+ vconn->vclass = class;
vconn->state = (connect_status == EAGAIN ? VCS_CONNECTING
: !connect_status ? VCS_SEND_HELLO
: VCS_DISCONNECTED);
vconn->error = connect_status;
- vconn->version = 0;
vconn->allowed_versions = allowed_versions;
- vconn->remote_ip = 0;
- vconn->remote_port = 0;
- vconn->local_ip = 0;
- vconn->local_port = 0;
vconn->name = xstrdup(name);
- assert(vconn->state != VCS_CONNECTING || class->connect);
-}
-
-void
-vconn_set_remote_ip(struct vconn *vconn, ovs_be32 ip)
-{
- vconn->remote_ip = ip;
-}
-
-void
-vconn_set_remote_port(struct vconn *vconn, ovs_be16 port)
-{
- vconn->remote_port = port;
-}
-
-void
-vconn_set_local_ip(struct vconn *vconn, ovs_be32 ip)
-{
- vconn->local_ip = ip;
-}
-
-void
-vconn_set_local_port(struct vconn *vconn, ovs_be16 port)
-{
- vconn->local_port = port;
+ ovs_assert(vconn->state != VCS_CONNECTING || class->connect);
}
void
-pvconn_init(struct pvconn *pvconn, struct pvconn_class *class,
+pvconn_init(struct pvconn *pvconn, const struct pvconn_class *class,
const char *name, uint32_t allowed_versions)
{
- pvconn->class = class;
+ pvconn->pvclass = class;
pvconn->name = xstrdup(name);
pvconn->allowed_versions = allowed_versions;
}
projects / cascardo / ovs.git / blobdiff