// Note:
// As main thread will be responsible for the handling
// Tying up the main thread to the worker context in the main thread
// is the key. The logic for the controller operates on ?
// So, once the information has been put into the ?? , then the logic
// can get the information from the c_switch_t->cmn_ctx where the
// hashtable stores the DPID and switch information
static int
c_thread_event_loop_lib_support(struct c_main_ctx *main_ctx)
{
c_switch_t *sw = NULL;
struct cbuf *b = NULL;
c_log_debug("%s: tid(%u)", __FUNCTION__, (unsigned int)pthread_self());
// instead of looping on the socket fd, the main thread
// will be looping on the cbuf.
// Not considering the application threads for now
//return event_base_dispatch(cmn_ctx->base);
// check cbuf
// get first message from buffer and begin the processing.
if(cbuf_list_queue_len(&ctrl_hdl.c_main_buf_head))
{
// Get the first message
b = cbuf_list_dequeue(&ctrl_hdl.c_main_buf_head);
}
if (!of_hdr_valid(b->data))
{
c_log_err("%s: Corrupted header", FN);
return 0; /* Close the socket */
}
// No need to allocate the worker thread
// Pass the main_ctx now. Previously, this was:
// sw = of_switch_alloc(c_wrk_ctx);
sw = of_switch_alloc(main_ctx);
of_switch_recv_msg(sw, b);
return 0;
}
/**
* mul_makdi_show_nfv -
*/
int mul_makdi_show_servicechain_default(void *service, void *arg, bool nbapi,
void (*cb_fn)(void *arg, void *pbuf)) {
struct cbuf *b;
struct c_ofp_auxapp_cmd *cofp_auc;
struct c_ofp_default_rule_info *cofp_servicechain_default;
char *pbuf;
int n_services = 0;
struct cbuf_head bufs;
int retries = 0;
if (!service)
return -1;
cbuf_list_head_init(&bufs);
try_again:
b = of_prep_msg(sizeof(struct c_ofp_auxapp_cmd), C_OFPT_AUX_CMD, 0);
cofp_auc = (void *) (b->data);
cofp_auc->cmd_code = htonl(C_AUX_CMD_MAKDI_SHOW_DEFAULT_SERVICE);
c_service_send(service, b);
while (1) {
b = c_service_wait_response(service);
if (b) {
if (check_reply_type(b, C_AUX_CMD_SUCCESS)
|| !check_reply_type(b, C_AUX_CMD_MAKDI_SHOW_DEFAULT_SERVICE)) {
free_cbuf(b);
break;
}
cofp_auc = (void *) (b->data);
cofp_servicechain_default = (void *) (cofp_auc->data);
/* FIXME : Length missmtach, header.length == 2050
if (ntohs(cofp_nfv_group->header.length) < sizeof(*cofp_nfv_group))
{
free_cbuf(b);
goto try_restart;
}
*/
b = cbuf_realloc_headroom(b, 0, true);
cbuf_list_queue_tail(&bufs, b);
n_services++;
} else {
goto try_restart;
}
}
while ((b = cbuf_list_dequeue(&bufs))) {
cofp_auc = (void *) (b->data);
cofp_servicechain_default = (void *)(cofp_auc->data);
if (nbapi) {
cb_fn(arg, cofp_servicechain_default);
} else {
pbuf = makdi_dump_servicechain_default(
cofp_servicechain_default);
if (pbuf) {
cb_fn(arg, pbuf);
free(pbuf);
}
free_cbuf(b);
}
}
return n_services;
try_restart:
cbuf_list_purge(&bufs);
if (retries++ >= C_SERV_RETRY_CNT) {
cbuf_list_purge(&bufs);
c_log_err("%s: Restarting serv msg", FN);
goto try_again;
}
c_log_err("%s: Can't restart serv msg", FN);
return 0;
}
/*
*
* mul_makdi_show_nfv_stats_all - return the every nfv ingress/egress port statistics
*
*/
void
mul_makdi_show_nfv_stats_all(void *service, void *arg, bool nbapi,
void (*cb_fn)(void *arg, void *pbuf))
{
struct cbuf *b;
struct c_ofp_auxapp_cmd *cofp_auc;
struct c_ofp_switch_port_query *cofp_pq;
int n_nfvs = 0;
struct cbuf_head bufs;
int retries = 0;
char *pbuf;
if (!service)
return;
cbuf_list_head_init(&bufs);
try_again:
b = of_prep_msg(sizeof(struct c_ofp_auxapp_cmd), C_OFPT_AUX_CMD, 0);
cofp_auc = (void *) (b->data);
cofp_auc->cmd_code = htonl(C_AUX_CMD_MAKDI_NFV_STATS_ALL);
c_service_send(service, b);
while (1) {
b = c_service_wait_response(service);
if (b) {
if (check_reply_type(b, C_AUX_CMD_SUCCESS) ||
!check_reply_type(b, C_AUX_CMD_MUL_SWITCH_PORT_QUERY)) {
free_cbuf(b);
break;
}
cofp_auc = (void *) (b->data);
cofp_pq = (void *) (cofp_auc->data);
if (ntohs(cofp_auc->header.length) <
sizeof(*cofp_pq) + sizeof(*cofp_auc)) {
free_cbuf(b);
goto try_restart;
}
b = cbuf_realloc_headroom(b, 0, true);
cbuf_list_queue_tail(&bufs, b);
n_nfvs++;
} else {
goto try_restart;
}
}
while ((b = cbuf_list_dequeue(&bufs))) {
cofp_auc = (void *) (b->data);
cofp_pq = (void *) (cofp_auc->data);
if (nbapi) {
cb_fn(arg, cofp_pq);
} else {
pbuf = makdi_dump_port_stats(cofp_auc, cofp_pq);
if (pbuf) {
cb_fn(arg, pbuf);
free(pbuf);
}
free_cbuf(b);
}
}
return;
try_restart:
cbuf_list_purge(&bufs);
if (retries++ >= C_SERV_RETRY_CNT) {
cbuf_list_purge(&bufs);
c_log_err("%s: Restarting serv msg", FN);
goto try_again;
}
c_log_err("%s: Can't restart serv msg", FN);
return;
}
/**
* mul_makdi_show_nfv -
*/
int mul_makdi_show_nfv(void *service, void *arg, bool dump_cmd,
void (*cb_fn)(void *arg, void *pbuf))
{
struct cbuf *b;
struct c_ofp_auxapp_cmd *cofp_auc;
struct c_ofp_s_chain_nfv_group_info *cofp_nfv_group;
char *pbuf;
int n_groups = 0;
struct cbuf_head bufs;
int retries = 0;
if (!service)
return -1;
cbuf_list_head_init(&bufs);
try_again:
b = of_prep_msg(sizeof(struct c_ofp_auxapp_cmd), C_OFPT_AUX_CMD, 0);
cofp_auc = (void *) (b->data);
cofp_auc->cmd_code = htonl(C_AUX_CMD_MAKDI_SHOW_NFV);
c_service_send(service, b);
while (1) {
b = c_service_wait_response(service);
if (b) {
if (check_reply_type(b, C_AUX_CMD_SUCCESS) ||
!check_reply_type(b, C_AUX_CMD_MAKDI_SHOW_NFV_GROUP)) {
free_cbuf(b);
break;
}
cofp_auc = (void *) (b->data);
cofp_nfv_group = (void *) (cofp_auc->data);
if (ntohs(cofp_auc->header.length)
< sizeof(*cofp_nfv_group) + sizeof(*cofp_auc)) {
free_cbuf(b);
goto try_restart;
}
b = cbuf_realloc_headroom(b, 0, true);
cbuf_list_queue_tail(&bufs, b);
n_groups++;
} else {
goto try_restart;
break;
}
}
while ((b = cbuf_list_dequeue(&bufs))) {
cofp_auc = (void *) (b->data);
cofp_nfv_group = (void *)(cofp_auc->data);
if (dump_cmd) {
makdi_dump_nfv_groups_cmd(cofp_nfv_group, arg, cb_fn);
} else {
pbuf = makdi_dump_nfv_groups(cofp_nfv_group);
if (pbuf) {
cb_fn(arg, pbuf);
free(pbuf);
}
}
free_cbuf(b);
}
return n_groups;
try_restart:
cbuf_list_purge(&bufs);
if (retries++ < C_SERV_RETRY_CNT) {
cbuf_list_purge(&bufs);
c_log_err("%s: Restarting serv msg", FN);
goto try_again;
}
c_log_err("%s: Can't restart serv msg", FN);
return 0;
}