/* Disconnects 'rc' and frees the underlying storage. */
void
rconn_destroy(struct rconn *rc)
{
if (rc) {
size_t i;
free(rc->name);
vconn_close(rc->vconn);
flush_queue(rc);
queue_destroy(&rc->txq);
for (i = 0; i < rc->n_monitors; i++) {
vconn_close(rc->monitors[i]);
}
free(rc);
}
}
/* Connects to a fake_pvconn with vconn_open(), accepts that connection and
* closes it immediately, and verifies that vconn_connect() reports
* 'expected_error'. */
static void
test_accept_then_close(struct ovs_cmdl_context *ctx)
{
const char *type = ctx->argv[1];
struct fake_pvconn fpv;
struct vconn *vconn;
int error;
fpv_create(type, &fpv);
CHECK_ERRNO(vconn_open(fpv.vconn_name, 0, DSCP_DEFAULT, &vconn), 0);
vconn_run(vconn);
stream_close(fpv_accept(&fpv));
fpv_close(&fpv);
error = vconn_connect_block(vconn);
if (!strcmp(type, "tcp") || !strcmp(type, "unix")) {
if (error != ECONNRESET && error != EPIPE
#ifdef _WIN32
&& error != WSAECONNRESET
#endif
) {
ovs_fatal(0, "unexpected vconn_connect() return value %d (%s)",
error, ovs_strerror(error));
}
} else {
CHECK_ERRNO(error, EPROTO);
}
vconn_close(vconn);
fpv_destroy(&fpv);
}
void
send_keepAliveNotif_trap(unsigned int clientreg, void *clientarg)
{
char dpid_str[128];
struct ofpbuf *request;
struct vconn *vconn;
struct ofpbuf *reply;
struct ofp_switch_features *osf;
struct ofp_phy_port *opp;
uint16_t size;
int i;
int pid;
time_init();
make_openflow(sizeof(struct ofp_header),OFPT_FEATURES_REQUEST , &request);
update_openflow_length(request);
vconn_open_block("nl:0", OFP_VERSION, &vconn);
vconn_transact(vconn, request, &reply);
vconn_close(vconn);
osf = (struct ofp_switch_features*) reply->data;
sprintf(dpid_str, "%"PRIx64"", ntohll(osf->datapath_id));
netsnmp_variable_list *var_list = NULL;
oid snmptrap_oid[] = {1, 3, 6, 1, 6, 3, 1, 1, 4, 1, 0};
oid keepAliveNotif_oid[] = { 1,3,6,1,3,108,0,10 };
oid dpid_oid[] = { 1,3,6,1,3,108,0,5, 0 };
/*
* Set the snmpTrapOid.0 value
*/
snmp_varlist_add_variable(&var_list,
snmptrap_oid, OID_LENGTH(snmptrap_oid),
ASN_OBJECT_ID,
(u_char*)keepAliveNotif_oid, sizeof(keepAliveNotif_oid));
/*
* Add any objects from the trap definition
*/
snmp_varlist_add_variable(&var_list,
dpid_oid, OID_LENGTH(dpid_oid),
ASN_OCTET_STR, dpid_str, strlen(dpid_str));
/*
* Send the trap to the list of configured destinations
* and clean up
*/
//send_v2trap( var_list );
if(signal(SIGCHLD, SIG_IGN))
perror("signal(SIGCHLD, SIG_IGN)");
if(fork() == 0) {
execl(SNMP_TRAP_BIN, SNMP_TRAP_BIN, "-v2c", "-c", "public", SNMP_TRAP_HOST, "\"\"", "POMI-MOBILITY-MIB::keepAliveNotif", "POMI-MOBILITY-MIB::dpid.0", "s", dpid_str, NULL);
exit(0);
}
printf("Sent keep-alive trap\n");
snmp_free_varbind( var_list );
//return SNMP_ERR_NOERROR;
}
/* Disconnects 'rc' and frees the underlying storage. */
void
rconn_destroy(struct rconn *rc)
{
if (rc)
{
free(rc->target);
vconn_close(rc->vconn);
free(rc);
}
}
void
rconn_disconnect(struct rconn *rc)
{
if (rc->state != S_VOID) {
if (rc->vconn) {
vconn_close(rc->vconn);
rc->vconn = NULL;
}
rconn_set_target__(rc, "void");
state_transition(rc, S_VOID);
}
}
void
rconn_disconnect(struct rconn *rc)
{
if (rc->state != S_VOID) {
if (rc->vconn) {
vconn_close(rc->vconn);
rc->vconn = NULL;
}
rconn_set_target__(rc, "void", NULL);
rc->reliable = false;
rc->backoff = 0;
rc->backoff_deadline = TIME_MIN;
state_transition(rc, S_VOID);
}
}
/* Connects to a fake_pvconn with vconn_open(), accepts that connection and
* reads the hello message from it, then closes the connection and verifies
* that vconn_connect() reports 'expected_error'. */
static void
test_read_hello(struct ovs_cmdl_context *ctx)
{
const char *type = ctx->argv[1];
struct fake_pvconn fpv;
struct vconn *vconn;
struct stream *stream;
int error;
fpv_create(type, &fpv);
CHECK_ERRNO(vconn_open(fpv.vconn_name, 0, DSCP_DEFAULT, &vconn), 0);
vconn_run(vconn);
stream = fpv_accept(&fpv);
fpv_destroy(&fpv);
for (;;) {
struct ofp_header hello;
int retval;
retval = stream_recv(stream, &hello, sizeof hello);
if (retval == sizeof hello) {
enum ofpraw raw;
CHECK(hello.version, OFP13_VERSION);
CHECK(ofpraw_decode_partial(&raw, &hello, sizeof hello), 0);
CHECK(raw, OFPRAW_OFPT_HELLO);
CHECK(ntohs(hello.length), sizeof hello);
break;
} else {
CHECK_ERRNO(retval, -EAGAIN);
}
vconn_run(vconn);
CHECK_ERRNO(vconn_connect(vconn), EAGAIN);
vconn_run_wait(vconn);
vconn_connect_wait(vconn);
stream_recv_wait(stream);
poll_block();
}
stream_close(stream);
error = vconn_connect_block(vconn);
if (error != ECONNRESET && error != EPIPE) {
ovs_fatal(0, "unexpected vconn_connect() return value %d (%s)",
error, ovs_strerror(error));
}
vconn_close(vconn);
}
void
rconn_disconnect(struct rconn *rc)
{
if (rc->state != S_VOID) {
if (rc->vconn) {
vconn_close(rc->vconn);
rc->vconn = NULL;
}
free(rc->name);
rc->name = xstrdup("void");
rc->reliable = false;
rc->backoff = 0;
rc->backoff_deadline = TIME_MIN;
state_transition(rc, S_VOID);
}
}
/* Connects to a fake_pvconn with vconn_open(), then closes the listener and
* verifies that vconn_connect() reports 'expected_error'. */
static void
test_refuse_connection(int argc OVS_UNUSED, char *argv[])
{
const char *type = argv[1];
int expected_error;
struct fake_pvconn fpv;
struct vconn *vconn;
expected_error = (!strcmp(type, "unix") ? EPIPE
: !strcmp(type, "tcp") ? ECONNRESET
: EPROTO);
fpv_create(type, &fpv);
CHECK_ERRNO(vconn_open(fpv.vconn_name, OFP_VERSION, &vconn), 0);
fpv_close(&fpv);
vconn_run(vconn);
CHECK_ERRNO(vconn_connect(vconn), expected_error);
vconn_close(vconn);
fpv_destroy(&fpv);
}
/* Connects to a fake_pvconn with vconn_open(), then closes the listener and
* verifies that vconn_connect() reports 'expected_error'. */
static void
test_refuse_connection(struct ovs_cmdl_context *ctx)
{
const char *type = ctx->argv[1];
struct fake_pvconn fpv;
struct vconn *vconn;
int error;
fpv_create(type, &fpv);
CHECK_ERRNO(vconn_open(fpv.vconn_name, 0, DSCP_DEFAULT, &vconn), 0);
fpv_close(&fpv);
vconn_run(vconn);
error = vconn_connect_block(vconn);
if (!strcmp(type, "tcp")) {
if (error != ECONNRESET && error != EPIPE
#ifdef _WIN32
&& error != WSAECONNRESET
#endif
) {
ovs_fatal(0, "unexpected vconn_connect() return value %d (%s)",
error, ovs_strerror(error));
}
} else if (!strcmp(type, "unix")) {
#ifndef _WIN32
CHECK_ERRNO(error, EPIPE);
#else
CHECK_ERRNO(error, WSAECONNRESET);
#endif
} else if (!strcmp(type, "ssl")) {
if (error != EPROTO && error != ECONNRESET) {
ovs_fatal(0, "unexpected vconn_connect() return value %d (%s)",
error, ovs_strerror(error));
}
} else {
ovs_fatal(0, "invalid connection type %s", type);
}
vconn_close(vconn);
fpv_destroy(&fpv);
}
/* Connects to a fake_pvconn with vconn_open(), accepts that connection and
* reads the hello message from it, then closes the connection and verifies
* that vconn_connect() reports 'expected_error'. */
static void
test_read_hello(int argc OVS_UNUSED, char *argv[])
{
const char *type = argv[1];
struct fake_pvconn fpv;
struct vconn *vconn;
struct stream *stream;
fpv_create(type, &fpv);
CHECK_ERRNO(vconn_open(fpv.vconn_name, OFP10_VERSION, &vconn,
DSCP_DEFAULT), 0);
vconn_run(vconn);
stream = fpv_accept(&fpv);
fpv_destroy(&fpv);
for (;;) {
struct ofp_header hello;
int retval;
retval = stream_recv(stream, &hello, sizeof hello);
if (retval == sizeof hello) {
CHECK(hello.version, OFP10_VERSION);
CHECK(hello.type, OFPT_HELLO);
CHECK(ntohs(hello.length), sizeof hello);
break;
} else {
CHECK_ERRNO(retval, -EAGAIN);
}
vconn_run(vconn);
CHECK_ERRNO(vconn_connect(vconn), EAGAIN);
vconn_run_wait(vconn);
vconn_connect_wait(vconn);
stream_recv_wait(stream);
poll_block();
}
stream_close(stream);
CHECK_ERRNO(vconn_connect(vconn), ECONNRESET);
vconn_close(vconn);
}
/* Connects to a fake_pvconn with vconn_open(), accepts that connection and
* sends the 'out' bytes in 'out_size' to it (presumably an OFPT_HELLO
* message), then verifies that vconn_connect() reports
* 'expect_connect_error'. */
static void
test_send_hello(const char *type, const void *out, size_t out_size,
int expect_connect_error)
{
struct fake_pvconn fpv;
struct vconn *vconn;
bool read_hello, connected;
struct ofpbuf *msg;
struct stream *stream;
size_t n_sent;
fpv_create(type, &fpv);
CHECK_ERRNO(vconn_open(fpv.vconn_name, 0, DSCP_DEFAULT, &vconn), 0);
vconn_run(vconn);
stream = fpv_accept(&fpv);
fpv_destroy(&fpv);
n_sent = 0;
while (n_sent < out_size) {
int retval;
retval = stream_send(stream, (char *) out + n_sent, out_size - n_sent);
if (retval > 0) {
n_sent += retval;
} else if (retval == -EAGAIN) {
stream_run(stream);
vconn_run(vconn);
stream_recv_wait(stream);
vconn_connect_wait(vconn);
vconn_run_wait(vconn);
poll_block();
} else {
ovs_fatal(0, "stream_send returned unexpected value %d", retval);
}
}
read_hello = connected = false;
for (;;) {
if (!read_hello) {
struct ofp_header hello;
int retval = stream_recv(stream, &hello, sizeof hello);
if (retval == sizeof hello) {
enum ofpraw raw;
CHECK(hello.version, OFP13_VERSION);
CHECK(ofpraw_decode_partial(&raw, &hello, sizeof hello), 0);
CHECK(raw, OFPRAW_OFPT_HELLO);
CHECK(ntohs(hello.length), sizeof hello);
read_hello = true;
} else {
CHECK_ERRNO(retval, -EAGAIN);
}
}
vconn_run(vconn);
if (!connected) {
int error = vconn_connect(vconn);
if (error == expect_connect_error) {
if (!error) {
connected = true;
} else {
stream_close(stream);
vconn_close(vconn);
return;
}
} else {
CHECK_ERRNO(error, EAGAIN);
}
}
if (read_hello && connected) {
break;
}
vconn_run_wait(vconn);
if (!connected) {
vconn_connect_wait(vconn);
}
if (!read_hello) {
stream_recv_wait(stream);
}
poll_block();
}
stream_close(stream);
CHECK_ERRNO(vconn_recv_block(vconn, &msg), EOF);
vconn_close(vconn);
}