-do_execute(const struct settings *s UNUSED, int argc, char *argv[])
-{
- struct vconn *vconn;
- struct ofpbuf *request;
- struct nicira_header *nicira;
- struct nx_command_reply *ncr;
- uint32_t xid;
- int i;
-
- nicira = make_openflow(sizeof *nicira, OFPT_VENDOR, &request);
- xid = nicira->header.xid;
- nicira->vendor = htonl(NX_VENDOR_ID);
- nicira->subtype = htonl(NXT_COMMAND_REQUEST);
- ofpbuf_put(request, argv[2], strlen(argv[2]));
- for (i = 3; i < argc; i++) {
- ofpbuf_put_zeros(request, 1);
- ofpbuf_put(request, argv[i], strlen(argv[i]));
- }
- update_openflow_length(request);
-
- open_vconn(argv[1], &vconn);
- run(vconn_send_block(vconn, request), "send");
-
- for (;;) {
- struct ofpbuf *reply;
- uint32_t status;
-
- run(vconn_recv_xid(vconn, xid, &reply), "recv_xid");
- if (reply->size < sizeof *ncr) {
- ovs_fatal(0, "reply is too short (%zu bytes < %zu bytes)",
- reply->size, sizeof *ncr);
- }
- ncr = reply->data;
- if (ncr->nxh.header.type != OFPT_VENDOR
- || ncr->nxh.vendor != htonl(NX_VENDOR_ID)
- || ncr->nxh.subtype != htonl(NXT_COMMAND_REPLY)) {
- ovs_fatal(0, "reply is invalid");
- }
-
- status = ntohl(ncr->status);
- if (status & NXT_STATUS_STARTED) {
- /* Wait for a second reply. */
- continue;
- } else if (status & NXT_STATUS_EXITED) {
- fprintf(stderr, "process terminated normally with exit code %d",
- status & NXT_STATUS_EXITSTATUS);
- } else if (status & NXT_STATUS_SIGNALED) {
- fprintf(stderr, "process terminated by signal %d",
- status & NXT_STATUS_TERMSIG);
- } else if (status & NXT_STATUS_ERROR) {
- fprintf(stderr, "error executing command");
- } else {
- fprintf(stderr, "process terminated for unknown reason");
- }
- if (status & NXT_STATUS_COREDUMP) {
- fprintf(stderr, " (core dumped)");
- }
- putc('\n', stderr);
-
- fwrite(ncr + 1, reply->size - sizeof *ncr, 1, stdout);
- break;
- }
-}
-
-static void
-do_help(const struct settings *s UNUSED, int argc UNUSED, char *argv[] UNUSED)