* derivatives without specific, written prior permission.
*/
+#include <config.h>
#include <errno.h>
#include <getopt.h>
#include <inttypes.h>
vconn_usage(true, false);
printf("\nOptions:\n"
" -t, --timeout=SECS give up after SECS seconds\n"
- " -v, --verbose=MODULE:FACILITY:LEVEL configure logging levels\n"
+ " -v, --verbose=MODULE[:FACILITY[:LEVEL]] set logging levels\n"
" -v, --verbose set maximum verbosity level\n"
" -h, --help display this help message\n"
" -V, --version display version information\n");
\f
/* Generic commands. */
-static void *
-alloc_openflow_buffer(size_t openflow_len, uint8_t type,
- struct buffer **bufferp)
-{
- struct buffer *buffer;
- struct ofp_header *oh;
-
- buffer = *bufferp = buffer_new(openflow_len);
- oh = buffer_put_uninit(buffer, openflow_len);
- memset(oh, 0, openflow_len);
- oh->version = OFP_VERSION;
- oh->type = type;
- oh->length = 0;
- oh->xid = random_uint32();
- return oh;
-}
-
static void *
alloc_stats_request(size_t body_len, uint16_t type, struct buffer **bufferp)
{
struct ofp_stats_request *rq;
- rq = alloc_openflow_buffer((offsetof(struct ofp_stats_request, body)
- + body_len), OFPT_STATS_REQUEST, bufferp);
+ rq = make_openflow((offsetof(struct ofp_stats_request, body)
+ + body_len), OFPT_STATS_REQUEST, bufferp);
rq->type = htons(type);
rq->flags = htons(0);
return rq->body;
static void
send_openflow_buffer(struct vconn *vconn, struct buffer *buffer)
{
- struct ofp_header *oh;
-
- oh = buffer_at_assert(buffer, 0, sizeof *oh);
- oh->length = htons(buffer->size);
-
+ update_openflow_length(buffer);
run(vconn_send_block(vconn, buffer), "failed to send packet to switch");
}
-static struct buffer *
-transact_openflow(struct vconn *vconn, struct buffer *request)
-{
- uint32_t send_xid = ((struct ofp_header *) request->data)->xid;
-
- send_openflow_buffer(vconn, request);
- for (;;) {
- uint32_t recv_xid;
- struct buffer *reply;
-
- run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed");
- recv_xid = ((struct ofp_header *) reply->data)->xid;
- if (send_xid == recv_xid) {
- return reply;
- }
-
- VLOG_DBG("received reply with xid %08"PRIx32" != expected %08"PRIx32,
- recv_xid, send_xid);
- buffer_delete(reply);
- }
-}
-
static void
dump_transaction(const char *vconn_name, struct buffer *request)
{
struct vconn *vconn;
struct buffer *reply;
+ update_openflow_length(request);
run(vconn_open_block(vconn_name, &vconn), "connecting to %s", vconn_name);
- reply = transact_openflow(vconn, request);
+ run(vconn_transact(vconn, request, &reply), "talking to %s", vconn_name);
ofp_print(stdout, reply->data, reply->size, 1);
vconn_close(vconn);
}
dump_trivial_transaction(const char *vconn_name, uint8_t request_type)
{
struct buffer *request;
- alloc_openflow_buffer(sizeof(struct ofp_header), request_type, &request);
+ make_openflow(sizeof(struct ofp_header), request_type, &request);
dump_transaction(vconn_name, request);
}
/* Parse and send. */
size = sizeof *ofm + (sizeof ofm->actions[0] * MAX_ADD_ACTS);
- ofm = alloc_openflow_buffer(size, OFPT_FLOW_MOD, &buffer);
+ ofm = make_openflow(size, OFPT_FLOW_MOD, &buffer);
str_to_flow(argv[2], &ofm->match, &ofm->actions[0], &n_actions,
NULL, &priority, &max_idle);
ofm->command = htons(OFPFC_ADD);
/* Parse and send. */
size = sizeof *ofm + (sizeof ofm->actions[0] * MAX_ADD_ACTS);
- ofm = alloc_openflow_buffer(size, OFPT_FLOW_MOD, &buffer);
+ ofm = make_openflow(size, OFPT_FLOW_MOD, &buffer);
str_to_flow(line, &ofm->match, &ofm->actions[0], &n_actions,
- NULL, &priority, &max_idle);
+ NULL, &priority, &max_idle);
ofm->command = htons(OFPFC_ADD);
ofm->max_idle = htons(max_idle);
ofm->buffer_id = htonl(UINT32_MAX);
/* Parse and send. */
size = sizeof *ofm;
- ofm = alloc_openflow_buffer(size, OFPT_FLOW_MOD, &buffer);
+ ofm = make_openflow(size, OFPT_FLOW_MOD, &buffer);
str_to_flow(argc > 2 ? argv[2] : "", &ofm->match, NULL, 0, NULL,
- &priority, NULL);
+ &priority, NULL);
ofm->command = htons(OFPFC_DELETE);
ofm->max_idle = htons(0);
ofm->buffer_id = htonl(UINT32_MAX);
struct vconn *vconn;
struct buffer *reply;
- alloc_openflow_buffer(sizeof(struct ofp_header), OFPT_ECHO_REQUEST,
- &request);
+ make_openflow(sizeof(struct ofp_header), OFPT_ECHO_REQUEST, &request);
run(vconn_open_block(argv[1], &vconn), "connecting to %s", argv[1]);
- reply = transact_openflow(vconn, request);
+ run(vconn_transact(vconn, request, &reply), "talking to %s", argv[1]);
if (reply->size != request->size) {
fatal(0, "reply does not match request");
}
struct buffer *request, *reply;
struct ofp_header *rq_hdr, *rpy_hdr;
- rq_hdr = alloc_openflow_buffer(sizeof(struct ofp_header) + payload,
- OFPT_ECHO_REQUEST, &request);
+ rq_hdr = make_openflow(sizeof(struct ofp_header) + payload,
+ OFPT_ECHO_REQUEST, &request);
random_bytes(rq_hdr + 1, payload);
gettimeofday(&start, NULL);
- reply = transact_openflow(vconn, buffer_clone(request));
+ run(vconn_transact(vconn, buffer_clone(request), &reply), "transact");
gettimeofday(&end, NULL);
rpy_hdr = reply->data;
run(vconn_open_block(argv[1], &vconn), "connecting to %s", argv[1]);
gettimeofday(&start, NULL);
for (i = 0; i < count; i++) {
- struct buffer *request;
+ struct buffer *request, *reply;
struct ofp_header *rq_hdr;
- rq_hdr = alloc_openflow_buffer(message_size, OFPT_ECHO_REQUEST,
- &request);
+ rq_hdr = make_openflow(message_size, OFPT_ECHO_REQUEST, &request);
memset(rq_hdr + 1, 0, payload_size);
- buffer_delete(transact_openflow(vconn, request));
+ run(vconn_transact(vconn, request, &reply), "transact");
+ buffer_delete(reply);
}
gettimeofday(&end, NULL);
vconn_close(vconn);
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