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mul_servlet.c
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/**
* @file mul_servlet.c
* @brief Mul core service APIs
* @author Dipjyoti Saikia <[email protected]>
* @copyright Copyright (C) 2012, Dipjyoti Saikia
*
* @license This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*
* @see www.openmul.org
*/
#include "mul_common.h"
#include "mul_servlet.h"
static char print_sep[] =
"-------------------------------------------"
"----------------------------------------\r\n";
static char print_nl[] = "\r\n";
static char *ha_state[] = { "HA None",
"HA Connected",
"HA Master",
"HA Slave",
"HA Conflict",
"HA Disabled" };
/**
* @name ofp_switch_states_tostr
* @brief Translates switch state to string
* @ingroup Fabric Application
*/
static void
ofp_switch_states_tostr(char *string, uint32_t state)
{
if (state == 0) {
strcpy(string, "Init\n");
return;
}
if (state & SW_PUBLISHED) {
strcpy(string, "Published");
}
else if (state & SW_REGISTERED) {
strcpy(string, "Registered ");
}
if (state & SW_REINIT) {
strcat(string, "Reinit");
}
if (state & SW_REINIT_VIRT) {
strcat(string, "Reinit-Virt");
}
if (state & SW_DEAD) {
strcat(string, "Dead");
}
}
static bool
check_reply_type(struct cbuf *b, uint32_t cmd_code)
{
c_ofp_auxapp_cmd_t *cofp_auc = (void *)(b->data);
if (ntohs(cofp_auc->header.length) < sizeof(*cofp_auc)) {
return false;
}
if (cofp_auc->header.type != C_OFPT_AUX_CMD ||
cofp_auc->cmd_code != htonl(cmd_code)) {
/* c_log_err("%s: type(%hu) cmd_code (%u)", FN,
cofp_auc->header.type, ntohl(cofp_auc->cmd_code)); */
return false;
}
return true;
}
/**
* @name mul_get_switches_brief -
* @brief Get a brief of all switches connected to mul
* @param [in] service Pointer to the client service
*
* @retval struct cbuf * Pointer to the cbuf response from server
*/
struct cbuf *
mul_get_switches_brief(void *service)
{
struct cbuf *b;
struct c_ofp_auxapp_cmd *cofp_auc;
if (!service) return NULL;
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_MUL_GET_SWITCHES);
c_service_send(service, b);
b = c_service_wait_response(service);
if (b) {
if (!check_reply_type(b, C_AUX_CMD_MUL_GET_SWITCHES_REPLY)) {
c_log_err("%s: Failed", FN);
free_cbuf(b);
return NULL;
}
}
return b;
}
/**
* @name mul_dump_switches_brief -
* @brief Get a brief of all switches connected to mul
* @param [in] b Pointer to the cbuf response from server
* @param [in] free_buf Flag to denote freeing the buffer
*
* @retval char * Pointer to the ascii string result
*/
char *
mul_dump_switches_brief(struct cbuf *b, bool free_buf)
{
char *pbuf = calloc(1, SWITCH_BR_PBUF_SZ);
int len = 0;
int i = 0, n_switches;
char string[OFP_PRINT_MAX_STRLEN];
c_ofp_auxapp_cmd_t *cofp_auc;
c_ofp_switch_brief_t *cofp_swb;
if (!pbuf) {
c_log_err("%s: pbuf alloc failed", FN);
goto out;
}
cofp_auc = (void *)(b->data);
n_switches = (ntohs(cofp_auc->header.length) - sizeof(c_ofp_auxapp_cmd_t))/
sizeof(c_ofp_switch_brief_t);
cofp_swb = (void *)(cofp_auc->data);
for (; i < n_switches; i++) {
cofp_swb->conn_str[OFP_CONN_DESC_SZ-1] = '\0';
ofp_switch_states_tostr(string, ntohll(cofp_swb->state));
len += snprintf(pbuf + len, SWITCH_BR_PBUF_SZ-len-1,
"0x%016llx %-11s %-26s %-8d\r\n",
U642ULL(ntohll(cofp_swb->switch_id.datapath_id)),
string,
cofp_swb->conn_str,
ntohl(cofp_swb->n_ports));
if (len >= SWITCH_BR_PBUF_SZ-1) {
c_log_err("%s: pbuf overrun", FN);
break;
}
cofp_swb += 1;
}
out:
if (free_buf) {
if (b) free_cbuf(b);
}
return pbuf;
}
/**
* @name mul_get_switch_detail -
* @brief Get detail switch info connected to mul
* @param [in] service Pointer to the client service
* @param [in] datapath_id The DPID of the switch for which detail requested
*
* @retval struct cbuf * Pointer to the buffer response
*/
struct cbuf *
mul_get_switch_detail(void *service, uint64_t dpid)
{
struct cbuf *b;
struct c_ofp_auxapp_cmd *cofp_auc;
struct c_ofp_req_dpid_attr *cofp_rda;
struct ofp_header *h;
if (!service) return NULL;
b = of_prep_msg(sizeof(*cofp_auc) + sizeof(*cofp_rda),
C_OFPT_AUX_CMD, 0);
cofp_auc = (void *)(b->data);
cofp_auc->cmd_code = htonl(C_AUX_CMD_MUL_GET_SWITCH_DETAIL);
cofp_rda = (void *)(cofp_auc->data);
cofp_rda->datapath_id = htonll(dpid);
c_service_send(service, b);
b = c_service_wait_response(service);
if (b) {
h = (void *)(b->data);
if (h->type != C_OFPT_SWITCH_ADD ||
ntohs(h->length) < sizeof(struct ofp_switch_features)) {
c_log_err("%s: Failed", FN);
free_cbuf(b);
return NULL;
}
}
return b;
}
/**
* @name mul_dump_switch_detail -
* @brief Get detail switch info connected to mul
* @param [in] b Pointer to the cbuf response from server
* @param [in] free_buf Flag to denote freeing the buffer
*
* @retval char * Pointer to the ascii string result
*/
char *
mul_dump_switch_detail(struct cbuf *b, bool free_buf)
{
char *pbuf = calloc(1, MUL_SERVLET_PBUF_DFL_SZ);
int len = 0;
int i = 0, n_ports;
struct c_ofp_switch_add *osf = CBUF_DATA(b);
char string[OFP_PRINT_MAX_STRLEN];
uint8_t version;
version = c_app_switch_get_version_with_id(ntohll(osf->datapath_id));
if (version != OFP_VERSION && version != OFP_VERSION_131 &&
version != OFP_VERSION_140) {
c_log_err("%s: Unsupported OFP version %d", FN,version );
return NULL;
}
if (!pbuf) {
c_log_err("%s: pbuf alloc failed", FN);
goto out;
}
n_ports = ((ntohs(osf->header.length)
- offsetof(struct ofp_switch_features, ports))
/ sizeof *osf->ports);
len += snprintf(pbuf+len, MUL_SERVLET_PBUF_DFL_SZ-len-1, "Datapath-id : 0x%llx\r\n",
U642ULL(ntohll(osf->datapath_id)));
if (len >= MUL_SERVLET_PBUF_DFL_SZ-1) goto out_pbuf_err;
len += snprintf(pbuf+len, MUL_SERVLET_PBUF_DFL_SZ-len-1, "Alias-id : %d\r\n",
(int)(U322UL(ntohl(osf->sw_alias))));
if (len >= MUL_SERVLET_PBUF_DFL_SZ-1) goto out_pbuf_err;
len += snprintf(pbuf+len, MUL_SERVLET_PBUF_DFL_SZ-len-1, "OFP-ver : %d\r\n",
osf->ver);
if (len >= MUL_SERVLET_PBUF_DFL_SZ-1) goto out_pbuf_err;
len += snprintf(pbuf+len, MUL_SERVLET_PBUF_DFL_SZ-len-1,
"Buffers : %d\r\n",ntohl(osf->n_buffers));
if (len >= MUL_SERVLET_PBUF_DFL_SZ-1) goto out_pbuf_err;
len += snprintf(pbuf+len, MUL_SERVLET_PBUF_DFL_SZ-len-1,
"Tables : %d\r\n", osf->n_tables);
if (len >= MUL_SERVLET_PBUF_DFL_SZ-1) goto out_pbuf_err;
#if 0 // This is deprecated with OF1.3.1
len += snprintf(pbuf+len, MUL_SERVLET_PBUF_DFL_SZ-len-1,
"Actions : 0x%x\r\n", ntohl(osf->actions));
if (len >= MUL_SERVLET_PBUF_DFL_SZ-1) goto out_pbuf_err;
#endif
memset(string, 0, 64);
if (version == OFP_VERSION) {
of_capabilities_tostr(string, ntohl(osf->capabilities));
} else if (version == OFP_VERSION_131 || version == OFP_VERSION_140) {
of131_capabilities_tostr(string, ntohl(osf->capabilities));
}
len += snprintf(pbuf+len, MUL_SERVLET_PBUF_DFL_SZ-len-1,
"Capabilities: 0x%x(%s)\r\n", ntohl(osf->capabilities),
string);
if (len >= MUL_SERVLET_PBUF_DFL_SZ-1) goto out_pbuf_err;
len += snprintf(pbuf+len, MUL_SERVLET_PBUF_DFL_SZ-len-1,
"Num Ports : %d\r\n", n_ports);
if (len >= MUL_SERVLET_PBUF_DFL_SZ-1) goto out_pbuf_err;
len += snprintf(pbuf+len, MUL_SERVLET_PBUF_DFL_SZ-len-1,
"-------------------------------------------"
"-------------------------------------------\r\n");
if (len >= MUL_SERVLET_PBUF_DFL_SZ-1) goto out_pbuf_err;
len += snprintf(pbuf+len, MUL_SERVLET_PBUF_DFL_SZ-len-1,
" Port info\r\n");
if (len >= MUL_SERVLET_PBUF_DFL_SZ-1) goto out_pbuf_err;
len += snprintf(pbuf+len, MUL_SERVLET_PBUF_DFL_SZ-len-1,
"-------------------------------------------"
"-------------------------------------------\r\n");
if (len >= MUL_SERVLET_PBUF_DFL_SZ-1) goto out_pbuf_err;
for (i = 0; i < n_ports; i ++) {
struct c_sw_port *p_info = &osf->ports[i];
p_info->name[OFP_MAX_PORT_NAME_LEN-1] = '\0';
memset(string, 0, OFP_PRINT_MAX_STRLEN);
ofp_dump_port_type(string, p_info->type);
if (version == OFP_VERSION) {
ofp_dump_port_details(string, ntohl(p_info->of_config),
ntohl(p_info->of_state));
} else {
ofp131_dump_port_details(string, ntohl(p_info->of_config),
ntohl(p_info->of_state));
}
ofp_dump_port_speed(string, ntohl(p_info->curr_speed), ntohl(p_info->max_speed));
len += snprintf(pbuf+len, MUL_SERVLET_PBUF_DFL_SZ-len-1,
"0x%-12x %-10s %02x:%02x:%02x:%02x:%02x:%02x %-15s\r\n",
ntohl(p_info->port_no), p_info->name,
p_info->hw_addr[0], p_info->hw_addr[1],
p_info->hw_addr[2], p_info->hw_addr[3],
p_info->hw_addr[4], p_info->hw_addr[5],
string);
if (len >= MUL_SERVLET_PBUF_DFL_SZ-1) goto out_pbuf_err;
memset(string, 0, OFP_PRINT_MAX_STRLEN);
}
out:
if (free_buf) {
if (b) free_cbuf(b);
}
return pbuf;
out_pbuf_err:
c_log_err("%s: pbuf overrun", FN);
goto out;
}
/**
* @name mul_dump_cmd_switch_detail_config
*/
static int
mul_dump_cmd_switch_detail_config(struct cbuf *b,
void (*cb_fn)(void *arg, void *pbuf),
void *arg)
{
int len = 0;
struct c_ofp_switch_add *osf = CBUF_DATA(b);
uint8_t version;
char *pbuf = calloc(1, MUL_SERVLET_PBUF_DFL_SZ);
uint32_t state;
uint64_t dpid;
version = c_app_switch_get_version_with_id(ntohll(osf->datapath_id));
if (version != OFP_VERSION && version != OFP_VERSION_131) {
c_log_err("%s:Unsupported OFP version", FN);
return -1;
}
if (!pbuf) {
c_log_err("%s: pbuf alloc failed", FN);
return -1;
}
dpid = ntohll(osf->datapath_id);
state = ntohll(osf->state);
if (state & SW_PORT_STATS_ENABLE) {
len += snprintf(pbuf+len, MUL_SERVLET_PBUF_DFL_SZ-len-1,
"set of-switch 0x%llx port-stats enable\r\n",
U642ULL(dpid));
}
len += snprintf(pbuf+len, MUL_SERVLET_PBUF_DFL_SZ-len-1,
"set of-switch 0x%llx stats-gather flow %s"
" group %s meter-conf %s\r\n",
U642ULL(dpid),
state & SW_BULK_FLOW_STATS ? "bulk":"single",
state & SW_BULK_GRP_STATS ? "bulk":"single",
state & SW_BULK_METER_CONF_STATS ? "bulk":"single");
if (ntohl(osf->rx_rlim_pps)) {
len += snprintf(pbuf+len, MUL_SERVLET_PBUF_DFL_SZ-len-1,
"set of-switch 0x%llx rx-rlim-enable %lu\r\n",
U642ULL(dpid), U322UL(ntohl(osf->rx_rlim_pps)));
}
if (ntohl(osf->tx_rlim_pps)) {
len += snprintf(pbuf+len, MUL_SERVLET_PBUF_DFL_SZ-len-1,
"set of-switch 0x%llx tx-rlim-enable %lu\r\n",
U642ULL(dpid), U322UL(ntohl(osf->tx_rlim_pps)));
}
len += snprintf(pbuf+len, MUL_SERVLET_PBUF_DFL_SZ-len-1,
"set of-switch 0x%llx pkt-dump rx %s tx %s\r\n",
U642ULL(dpid), osf->rx_dump_en ? "enable":"disable",
osf->tx_dump_en ? "enable":"disable");
cb_fn(arg, pbuf);
if (pbuf) free(pbuf);
return 0;
}
/**
* @name mul_get_switch_detail_config
* @brief Get a switch's configuration detail likw pkt-dump, rlim etc
* @param [in] service Pointer to the service client
* @param [in] dpid Datapath-id of the requested switch
* @param [in] arg Argument to be passed to cb_fn
* @param [in] cb_fn Callback function to be called to parse response
*
* @retval int zero for success and non-zero for failure
*/
int
mul_get_switch_detail_config(void *service, uint64_t dpid, void *arg,
void (*cb_fn)(void *arg, void *pbuf))
{
struct cbuf *b;
struct c_ofp_auxapp_cmd *cofp_auc;
struct c_ofp_req_dpid_attr *cofp_rda;
struct ofp_header *h;
if (!service) return -1;
b = of_prep_msg(sizeof(*cofp_auc) + sizeof(*cofp_rda),
C_OFPT_AUX_CMD, 0);
cofp_auc = (void *)(b->data);
cofp_auc->cmd_code = htonl(C_AUX_CMD_MUL_GET_SWITCH_DETAIL);
cofp_rda = (void *)(cofp_auc->data);
cofp_rda->datapath_id = htonll(dpid);
c_service_send(service, b);
b = c_service_wait_response(service);
if (b) {
h = (void *)(b->data);
if (h->type != C_OFPT_SWITCH_ADD ||
ntohs(h->length) < sizeof(struct ofp_switch_features)) {
c_log_err("%s: Failed", FN);
free_cbuf(b);
return -1;
}
mul_dump_cmd_switch_detail_config(b, cb_fn, arg);
free_cbuf(b);
} else {
c_log_err("%s: No response", FN);
}
return 0;
}
/**
* @name mul_get_switch_features -
* @brief Get detail switch info connected to mul-core
* @param [in] service Pointer to service client
* @param [in] dpid Datapath_id of the requested switch
* @param [in] table table-id if requesting for table features
* @param [in] type Type of feature requested : C_AUX_CMD_MUL_SWITCH_METER_FEAT,
* C_AUX_CMD_MUL_SWITCH_TABLE_FEAT, C_AUX_CMD_MUL_SWITCH_GROUP_FEAT,
* C_AUX_CMD_MUL_GET_SWITCH_DESC
*
* @retval struct cbuf * Pointer to buffer returned by server
*/
struct cbuf *
mul_get_switch_features(void *service, uint64_t dpid, uint8_t table,
uint32_t type)
{
struct cbuf *b;
struct c_ofp_auxapp_cmd *cofp_auc;
struct c_ofp_switch_feature_common *cofp_f;
struct ofp_header *h;
uint8_t version;
if (!service) return NULL;
version = c_app_switch_get_version_with_id(dpid);
if (version != OFP_VERSION && version != OFP_VERSION_131
&& version != OFP_VERSION_140) {
c_log_err("%s:Unsupported OFP version", FN);
return NULL;
}
b = of_prep_msg(sizeof(*cofp_auc) + sizeof(*cofp_f),
C_OFPT_AUX_CMD, 0);
switch (type) {
case C_AUX_CMD_MUL_SWITCH_METER_FEAT:
case C_AUX_CMD_MUL_SWITCH_TABLE_FEAT:
case C_AUX_CMD_MUL_SWITCH_GROUP_FEAT:
case C_AUX_CMD_MUL_GET_SWITCH_DESC:
break;
default:
free_cbuf(b);
NOT_REACHED();
}
cofp_auc = CBUF_DATA(b);
cofp_auc->cmd_code = htonl(type);
cofp_f = ASSIGN_PTR(cofp_auc->data);
cofp_f->datapath_id = htonll(dpid);
cofp_f->table_id = table;
c_service_send(service, b);
b = c_service_wait_response(service);
if (b) {
h = CBUF_DATA(b);
if (h->type != C_OFPT_AUX_CMD ||
ntohs(h->length) < sizeof(*cofp_f)) {
c_log_err("%s: Failed", FN);
free_cbuf(b);
return NULL;
}
}
return b;
}
/**
* @name mul_dump_switch_table_features -
* @brief Dump the table switch features
* @param [in] b Pointer to the cbuf response from server
* @param [in] free_buf Flag to denote freeing the buffer
*
* @retval char * Pointer to the ascii string result
*/
char *
mul_dump_switch_table_features(struct cbuf *b, bool free_buf)
{
struct c_ofp_auxapp_cmd *cofp_auc;
struct c_ofp_switch_feature_common *cofp_f;
char *buf = NULL;
uint8_t version;
if (!b) return NULL;
cofp_auc = CBUF_DATA(b);
if (cofp_auc->cmd_code != htonl(C_AUX_CMD_MUL_SWITCH_TABLE_FEAT)) {
goto free_out;
}
if (ntohs(cofp_auc->header.length) -
(sizeof(*cofp_auc) + sizeof(*cofp_f)) <
sizeof(struct of_flow_tbl_props)) {
c_log_err("%s: Len error", FN);
goto free_out;
}
cofp_f = ASSIGN_PTR(cofp_auc->data);
version = c_app_switch_get_version_with_id(ntohll(cofp_f->datapath_id));
if (version != OFP_VERSION_131 && version != OFP_VERSION_140) {
c_log_err("%s:Unsupported OFP version", FN);
goto free_out;
}
buf = of131_table_features_dump((void *)(cofp_f->data));
free_out:
if (free_buf) {
free_cbuf(b);
}
return buf;
}
/**
* @name mul_dump_switch_desc -
* @brief Dump a switch's description
* @param [in] b Pointer to the cbuf response from server
* @param [in] free_buf Flag to denote freeing the buffer
*
* @retval char * Pointer to the ascii string result
*/
char *
mul_dump_switch_desc(struct cbuf *b, bool free_buf)
{
struct c_ofp_auxapp_cmd *cofp_auc;
struct c_ofp_switch_feature_common *cofp_f;
char *buf = NULL;
uint8_t version;
if (!b) return NULL;
cofp_auc = CBUF_DATA(b);
if (cofp_auc->cmd_code != htonl(C_AUX_CMD_MUL_GET_SWITCH_DESC)) {
goto free_out;
}
if (ntohs(cofp_auc->header.length) -
(sizeof(*cofp_auc) + sizeof(*cofp_f)) <
sizeof(struct ofp_desc_stats)) {
c_log_err("%s: Len error", FN);
goto free_out;
}
cofp_f = ASSIGN_PTR(cofp_auc->data);
version = c_app_switch_get_version_with_id(ntohll(cofp_f->datapath_id));
if (version != OFP_VERSION && version != OFP_VERSION_131 &&
version != OFP_VERSION_140) {
c_log_err("%s:Unsupported OFP version", FN);
goto free_out;
}
buf = of_switch_desc_dump(cofp_f->data,
sizeof(struct ofp_desc_stats));
free_out:
if (free_buf) {
free_cbuf(b);
}
return buf;
}
/**
* @name mul_dump_switch_group_features -
* @brief Dump a switch's group features
* @param [in] b Pointer to the cbuf response from server
* @param [in] free_buf Flag to denote freeing the buffer
*
* @retval char * Pointer to the ascii string result
*/
char *
mul_dump_switch_group_features(struct cbuf *b, bool free_buf)
{
struct c_ofp_auxapp_cmd *cofp_auc;
struct c_ofp_switch_feature_common *cofp_f;
char *buf = NULL;
uint8_t version;
if (!b) return NULL;
cofp_auc = CBUF_DATA(b);
if (cofp_auc->cmd_code != htonl(C_AUX_CMD_MUL_SWITCH_GROUP_FEAT)) {
goto free_out;
}
if (ntohs(cofp_auc->header.length) -
(sizeof(*cofp_auc) + sizeof(*cofp_f)) <
sizeof(struct ofp_group_features)) {
c_log_err("%s: Len error", FN);
goto free_out;
}
cofp_f = ASSIGN_PTR(cofp_auc->data);
version = c_app_switch_get_version_with_id(ntohll(cofp_f->datapath_id));
if (version != OFP_VERSION_131 && version != OFP_VERSION_140) {
c_log_err("%s:Unsupported OFP version", FN);
goto free_out;
}
buf = of131_group_features_dump(cofp_f->data,
sizeof(struct ofp_group_features));
free_out:
if (free_buf) {
free_cbuf(b);
}
return buf;
}
/**
* @name mul_dump_switch_meter_features -
* @brief Dump a switch's meter features
* @param [in] b Pointer to the cbuf response from server previously requested
* @param [in] free_buf Flag to denote freeing the buffer
*
* @retval char * Pointer to the ascii string result
*/
char *
mul_dump_switch_meter_features(struct cbuf *b, bool free_buf)
{
struct c_ofp_auxapp_cmd *cofp_auc;
struct c_ofp_switch_feature_common *cofp_f;
char *buf = NULL;
uint8_t version;
if (!b) return NULL;
cofp_auc = CBUF_DATA(b);
if (cofp_auc->cmd_code != htonl(C_AUX_CMD_MUL_SWITCH_METER_FEAT)) {
goto free_out;
}
if (ntohs(cofp_auc->header.length) -
(sizeof(*cofp_auc) + sizeof(*cofp_f)) <
sizeof(struct ofp_meter_features)) {
c_log_err("%s: Len error", FN);
goto free_out;
}
cofp_f = ASSIGN_PTR(cofp_auc->data);
version = c_app_switch_get_version_with_id(ntohll(cofp_f->datapath_id));
if (version != OFP_VERSION_131 && version != OFP_VERSION_140) {
c_log_err("%s:Unsupported OFP version", FN);
goto free_out;
}
buf = of131_meter_features_dump(cofp_f->data,
sizeof(struct ofp_meter_features));
free_out:
if (free_buf) {
free_cbuf(b);
}
return buf;
}
/**
* @name mul_dump_port_stats -
* @brief Dump a switch port's stats
* @param [in] b Pointer to the cbuf response from server previously requested
* @param [in] free_buf Flag to denote freeing the buffer
*
* @retval char * Pointer to the ascii string result
*/
char *
mul_dump_port_stats(struct cbuf *b, bool free_buf)
{
struct c_ofp_auxapp_cmd *cofp_auc;
struct c_ofp_switch_port_query *cofp_pq;
char *buf = NULL;
size_t feat_len = 0;
uint8_t version;
if (!b) return NULL;
cofp_auc = CBUF_DATA(b);
if (cofp_auc->cmd_code != htonl(C_AUX_CMD_MUL_SWITCH_PORT_QUERY)) {
goto free_out;
}
feat_len = ntohs(cofp_auc->header.length) - (sizeof(*cofp_auc) +
sizeof(*cofp_pq));
cofp_pq = ASSIGN_PTR(cofp_auc->data);
version = c_app_switch_get_version_with_id(ntohll(cofp_pq->datapath_id));
if (version == OFP_VERSION_131) {
if (feat_len < sizeof(struct ofp131_port_stats)) {
c_log_err("%s: Len error", FN);
goto free_out;
}
buf = of131_port_stats_dump(cofp_pq->data, feat_len);
}
else if (version == OFP_VERSION_140) {
if (feat_len < sizeof(struct ofp140_port_stats)) {
c_log_err("%s: Len error", FN);
goto free_out;
}
buf = of140_port_stats_dump(cofp_pq->data, feat_len);
}
else
{
if (feat_len < sizeof(struct ofp_port_stats)) {
c_log_err("%s OF10: Len error", FN);
goto free_out;
}
buf = of_port_stats_dump(cofp_pq->data, feat_len);
}
free_out:
if (free_buf) {
free_cbuf(b);
}
return buf;
}
/**
* @name mul_dump_single_flow -
* @brief Dump a single flow returned by mul-core
*/
static void
mul_dump_single_flow(struct c_ofp_flow_info *cofp_fi, void *arg,
void (*cb_fn)(void *arg, void *pbuf), bool show_res)
{
char *pbuf;
int len = 0;
size_t action_len;
uint64_t dpid = U642ULL(ntohll(cofp_fi->datapath_id));
uint8_t version;
uint64_t flags = ntohll(cofp_fi->flags);;
version = c_app_switch_get_version_with_id(dpid);
if (version != OFP_VERSION && version != OFP_VERSION_131 &&
version != OFP_VERSION_140) {
c_log_err("%s: Unable to parse flow:Unknown OFP version", FN);
return;
}
if (!show_res && flags & C_FL_ENT_RESIDUAL) return;
action_len = ntohs(cofp_fi->header.length) - sizeof(*cofp_fi);
cb_fn(arg, print_sep);
pbuf = of_dump_flow_generic(&cofp_fi->flow, &cofp_fi->mask);
if (pbuf) {
cb_fn(arg, pbuf);
free(pbuf);
}
if (version == OFP_VERSION)
pbuf = of10_dump_actions(cofp_fi->actions, action_len, false);
else if (version == OFP_VERSION_131 || version == OFP_VERSION_140)
pbuf = of131_dump_actions(cofp_fi->actions, action_len, false);
else {
NOT_REACHED();
}
if (pbuf) {
cb_fn(arg, pbuf);
free(pbuf);
}
pbuf = calloc(1, MUL_SERVLET_PBUF_DFL_SZ);
if (!pbuf) return;
len += snprintf(pbuf+len, MUL_SERVLET_PBUF_DFL_SZ-len-1,
"%s:%hu %s:%d %s:%hu %s:%hu ", "Prio", ntohs(cofp_fi->priority),
"Table", cofp_fi->flow.table_id,
"Itimeo", ntohs(cofp_fi->itimeo),
"Htimeo", ntohs(cofp_fi->htimeo));
len += snprintf(pbuf+len, MUL_SERVLET_PBUF_DFL_SZ-len-1,
"%s: %s %s %s %s %s %s\r\n", "Flags",
flags & C_FL_ENT_STATIC ? "static":"dynamic",
flags & C_FL_ENT_CLONE ? "clone": "no-clone",
flags & C_FL_ENT_NOT_INST ? "not-verified" : "verified",
flags & C_FL_ENT_LOCAL ? "local": "non-local",
flags & C_FL_ENT_STALE ? "stale": "clean",
flags & C_FL_ENT_RESIDUAL ? "residual ":" ");
len += snprintf(pbuf+len, MUL_SERVLET_PBUF_DFL_SZ-len-1,
"Datapath-id: 0x%llx ",
U642ULL(ntohll(cofp_fi->datapath_id)));
if (flags & C_FL_ENT_GSTATS) {
len += snprintf(pbuf+len, MUL_SERVLET_PBUF_DFL_SZ-len-1,
"\r\nStats: Bytes %llu Packets %llu ",
U642ULL(ntohll(cofp_fi->byte_count)),
U642ULL(ntohll(cofp_fi->packet_count)));
len += snprintf(pbuf+len, MUL_SERVLET_PBUF_DFL_SZ-len-1,
"Bps %s Pps %s Alive %lu secs:%lu nsecs",
cofp_fi->bps, cofp_fi->pps,
U322UL(htonl(cofp_fi->duration_sec)),
U322UL(htonl(cofp_fi->duration_nsec)));
}
len += snprintf(pbuf+len, MUL_SERVLET_PBUF_DFL_SZ-len-1,
"%s", "\r\n");
cb_fn(arg, pbuf);
free(pbuf);
cb_fn(arg, print_sep);
return;
}
/**
* @name mul_dump_single_flow_cmd
* @brief Dump a single flow in cli command format
*/
static void
mul_dump_single_flow_cmd(struct c_ofp_flow_info *cofp_fi, void *arg,
void (*cb_fn)(void *arg, void *pbuf))
{
char *pbuf, *rbuf;
int len = 0;
size_t action_len;
uint64_t dpid = U642ULL(ntohll(cofp_fi->datapath_id));
uint8_t version;
uint64_t flags;
version = c_app_switch_get_version_with_id(dpid);
if (version != OFP_VERSION && version != OFP_VERSION_131) {
c_log_err("Flow parse err :Unknown OFP version");
return;
}
flags = ntohll(cofp_fi->flags);
if (flags & C_FL_ENT_NOT_INST ||
flags & C_FL_ENT_RESIDUAL) {
return;
}
action_len = ntohs(cofp_fi->header.length) - sizeof(*cofp_fi);
pbuf = calloc(1, MUL_SERVLET_PBUF_DFL_SZ);
if (!pbuf) return;
len += snprintf(pbuf+len, MUL_SERVLET_PBUF_DFL_SZ-len-1,
"of-flow add switch 0x%llx ",
U642ULL(ntohll(cofp_fi->datapath_id)));
rbuf = of_dump_flow_generic_cmd(&cofp_fi->flow, &cofp_fi->mask);
if (pbuf) {
strncat(pbuf, rbuf, strlen(rbuf));
len = strnlen(pbuf, MUL_SERVLET_PBUF_DFL_SZ);
free(rbuf);
} else {
goto out;
}
if (ntohs(cofp_fi->priority)) {
len += snprintf(pbuf+len, MUL_SERVLET_PBUF_DFL_SZ-len-1,
"flow-priority %d\r\n", ntohs(cofp_fi->priority));
}
if (cofp_fi->mask.tunnel_id) {
len += snprintf(pbuf+len, MUL_SERVLET_PBUF_DFL_SZ-len-1,
"flow-tunnel 0x%llx\r\n",
U642ULL(ntohll(cofp_fi->flow.tunnel_id)));
}
if (flags & C_FL_ENT_BARRIER) {
len += snprintf(pbuf+len, MUL_SERVLET_PBUF_DFL_SZ-len-1,
"flow-barrier-enable\r\n");
}
if (flags & C_FL_ENT_GSTATS) {
len += snprintf(pbuf+len, MUL_SERVLET_PBUF_DFL_SZ-len-1,
"flow-stats-enable\r\n");
}
if (version == OFP_VERSION)
rbuf = of10_dump_actions_cmd(cofp_fi->actions, action_len, false);
else if (version == OFP_VERSION_131 || version == OFP_VERSION_140)
rbuf = of131_dump_actions_cmd(cofp_fi->actions, action_len, false);
else {
NOT_REACHED();
}
if (rbuf) {
strncat(pbuf, rbuf, strlen(rbuf));
len += strnlen(pbuf, MUL_SERVLET_PBUF_DFL_SZ);
free(rbuf);
} else {
goto out;
}
cb_fn(arg, pbuf);
out:
free(pbuf);
return;
}
/**
* @name mul_dump_single_meter
* @brief Dump a single meter to a buffer
*/
static void
mul_dump_single_meter(c_ofp_meter_mod_t *cofp_mm, void *arg,
void (*cb_fn)(void *arg, void *pbuf))
{
char *pbuf, *type, *burst, *stats;
int len = 0, act = 0;
ssize_t tot_len = ntohs(cofp_mm->header.length);
uint64_t dpid = U642ULL(ntohll(cofp_mm->datapath_id));
uint8_t version;
char *band_types[] = { "", "drop", "dscp-remark"};
struct ofp_meter_band_header *band;
struct ofp_meter_band_dscp_remark *dscp_remark_band;
size_t band_dist = 0;
uint16_t flags, c_flags, band_type;
uint32_t band_rate, burst_size;
version = c_app_switch_get_version_with_id(dpid);
if (version != OFP_VERSION_131 && version != OFP_VERSION_140) {
c_log_err("Unable to parse meter :Unknown OFP version");
return;
}
cb_fn(arg, print_sep);
flags = htons(cofp_mm->flags);
c_flags = cofp_mm->c_flags;
if (flags & OFPMF_KBPS) {
type = "Kbps";
} else if (flags & OFPMF_PKTPS) {
type = "Pktps";
}
if (flags & OFPMF_BURST) {
burst = "Yes";