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-rw-r--r--VNFs/DPPD-PROX/cmd_parser.c2031
1 files changed, 2031 insertions, 0 deletions
diff --git a/VNFs/DPPD-PROX/cmd_parser.c b/VNFs/DPPD-PROX/cmd_parser.c
new file mode 100644
index 00000000..95688477
--- /dev/null
+++ b/VNFs/DPPD-PROX/cmd_parser.c
@@ -0,0 +1,2031 @@
+/*
+// Copyright (c) 2010-2017 Intel Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+*/
+
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <rte_cycles.h>
+#include <rte_version.h>
+
+#include "input.h"
+#include "cmd_parser.h"
+#include "commands.h"
+#include "run.h"
+#include "display.h"
+#include "log.h"
+#include "prox_cfg.h"
+#include "prox_port_cfg.h"
+#include "task_base.h"
+#include "lconf.h"
+#include "main.h"
+#include "parse_utils.h"
+#include "stats_parser.h"
+#include "stats_port.h"
+#include "stats_latency.h"
+#include "stats_global.h"
+#include "stats_prio_task.h"
+
+#include "handle_routing.h"
+#include "handle_qinq_decap4.h"
+#include "handle_lat.h"
+#include "handle_arp.h"
+#include "handle_gen.h"
+#include "handle_acl.h"
+#include "handle_irq.h"
+#include "defines.h"
+#include "prox_cfg.h"
+#include "version.h"
+#include "stats_latency.h"
+#include "handle_cgnat.h"
+#include "handle_impair.h"
+
+static int core_task_is_valid(int lcore_id, int task_id)
+{
+ if (lcore_id >= RTE_MAX_LCORE) {
+ plog_err("Invalid core id %u (lcore ID above %d)\n", lcore_id, RTE_MAX_LCORE);
+ return 0;
+ }
+ else if (!prox_core_active(lcore_id, 0)) {
+ plog_err("Invalid core id %u (lcore is not active)\n", lcore_id);
+ return 0;
+ }
+ else if (task_id >= lcore_cfg[lcore_id].n_tasks_all) {
+ plog_err("Invalid task id (valid task IDs for core %u are below %u)\n",
+ lcore_id, lcore_cfg[lcore_id].n_tasks_all);
+ return 0;
+ }
+ return 1;
+}
+
+static int cores_task_are_valid(unsigned int *lcores, int task_id, unsigned int nb_cores)
+{
+ unsigned int lcore_id;
+ for (unsigned int i = 0; i < nb_cores; i++) {
+ lcore_id = lcores[i];
+ if (lcore_id >= RTE_MAX_LCORE) {
+ plog_err("Invalid core id %u (lcore ID above %d)\n", lcore_id, RTE_MAX_LCORE);
+ return 0;
+ }
+ else if (!prox_core_active(lcore_id, 0)) {
+ plog_err("Invalid core id %u (lcore is not active)\n", lcore_id);
+ return 0;
+ }
+ else if (task_id >= lcore_cfg[lcore_id].n_tasks_all) {
+ plog_err("Invalid task id (valid task IDs for core %u are below %u)\n",
+ lcore_id, lcore_cfg[lcore_id].n_tasks_all);
+ return 0;
+ }
+ }
+ return 1;
+}
+
+static int parse_core_task(const char *str, uint32_t *lcore_id, uint32_t *task_id, unsigned int *nb_cores)
+{
+ char str_lcore_id[128];
+ int ret;
+
+ if (2 != sscanf(str, "%s %u", str_lcore_id, task_id))
+ return -1;
+
+ if ((ret = parse_list_set(lcore_id, str_lcore_id, RTE_MAX_LCORE)) <= 0) {
+ plog_err("Invalid core while parsing command (%s)\n", get_parse_err());
+ return -1;
+ }
+ *nb_cores = ret;
+
+ return 0;
+}
+
+static const char *strchr_skip_twice(const char *str, int chr)
+{
+ str = strchr(str, chr);
+ if (!str)
+ return NULL;
+ str = str + 1;
+
+ str = strchr(str, chr);
+ if (!str)
+ return NULL;
+ return str + 1;
+}
+
+static int parse_cmd_quit(const char *str, struct input *input)
+{
+ if (strcmp(str, "") != 0) {
+ return -1;
+ }
+
+ quit();
+ return 0;
+}
+
+static int parse_cmd_quit_force(const char *str, struct input *input)
+{
+ if (strcmp(str, "") != 0) {
+ return -1;
+ }
+
+ abort();
+}
+
+static int parse_cmd_history(const char *str, struct input *input)
+{
+ if (strcmp(str, "") != 0) {
+ return -1;
+ }
+
+ if (input->history) {
+ input->history(input);
+ return 0;
+ }
+ plog_err("Invalid history comand ");
+ return -1;
+}
+
+static int parse_cmd_echo(const char *str, struct input *input)
+{
+ if (strcmp(str, "") == 0) {
+ return -1;
+ }
+
+ char resolved[2048];
+
+ if (parse_vars(resolved, sizeof(resolved), str)) {
+ return 0;
+ }
+
+ if (input->reply) {
+ if (strlen(resolved) + 2 < sizeof(resolved)) {
+ resolved[strlen(resolved) + 1] = 0;
+ resolved[strlen(resolved)] = '\n';
+ }
+ else
+ return 0;
+
+ input->reply(input, resolved, strlen(resolved));
+ } else
+ plog_info("%s\n", resolved);
+
+ return 0;
+}
+
+static int parse_cmd_reset_stats(const char *str, struct input *input)
+{
+ if (strcmp(str, "") != 0) {
+ return -1;
+ }
+
+ stats_reset();
+ return 0;
+}
+
+static int parse_cmd_reset_lat_stats(const char *str, struct input *input)
+{
+ if (strcmp(str, "") != 0) {
+ return -1;
+ }
+
+ stats_latency_reset();
+ return 0;
+}
+
+static int parse_cmd_trace(const char *str, struct input *input)
+{
+ unsigned lcores[RTE_MAX_LCORE], task_id, nb_packets, nb_cores;
+
+ if (parse_core_task(str, lcores, &task_id, &nb_cores))
+ return -1;
+ if (!(str = strchr_skip_twice(str, ' ')))
+ return -1;
+ if (sscanf(str, "%u", &nb_packets) != 1)
+ return -1;
+
+ if (cores_task_are_valid(lcores, task_id, nb_cores)) {
+ for (unsigned int i = 0; i < nb_cores; i++) {
+ cmd_trace(lcores[i], task_id, nb_packets);
+ }
+ }
+ return 0;
+}
+
+static int parse_cmd_dump_rx(const char *str, struct input *input)
+{
+ unsigned lcores[RTE_MAX_LCORE], task_id, nb_packets, nb_cores;
+
+ if (parse_core_task(str, lcores, &task_id, &nb_cores))
+ return -1;
+ if (!(str = strchr_skip_twice(str, ' ')))
+ return -1;
+ if (sscanf(str, "%u", &nb_packets) != 1) {
+ return -1;
+ }
+
+ if (cores_task_are_valid(lcores, task_id, nb_cores)) {
+ for (unsigned int i = 0; i < nb_cores; i++) {
+ cmd_dump(lcores[i], task_id, nb_packets, input, 1, 0);
+ }
+ }
+ return 0;
+}
+
+static int parse_cmd_pps_unit(const char *str, struct input *input)
+{
+ uint32_t val;
+
+ if (sscanf(str, "%u", &val) != 1) {
+ return -1;
+ }
+ display_set_pps_unit(val);
+ return 0;
+}
+
+static int parse_cmd_dump_tx(const char *str, struct input *input)
+{
+ unsigned lcores[RTE_MAX_LCORE], task_id, nb_packets, nb_cores;
+
+ if (parse_core_task(str, lcores, &task_id, &nb_cores))
+ return -1;
+ if (!(str = strchr_skip_twice(str, ' ')))
+ return -1;
+ if (sscanf(str, "%u", &nb_packets) != 1) {
+ return -1;
+ }
+
+ if (cores_task_are_valid(lcores, task_id, nb_cores)) {
+ for (unsigned int i = 0; i < nb_cores; i++) {
+ cmd_dump(lcores[i], task_id, nb_packets, input, 0, 1);
+ }
+ }
+ return 0;
+}
+
+static int parse_cmd_rate(const char *str, struct input *input)
+{
+ unsigned queue, port, rate;
+
+ if (sscanf(str, "%u %u %u", &queue, &port, &rate) != 3) {
+ return -1;
+ }
+
+ if (port > PROX_MAX_PORTS) {
+ plog_err("Max port id allowed is %u (specified %u)\n", PROX_MAX_PORTS, port);
+ }
+ else if (!prox_port_cfg[port].active) {
+ plog_err("Port %u not active\n", port);
+ }
+ else if (queue >= prox_port_cfg[port].n_txq) {
+ plog_err("Number of active queues is %u\n",
+ prox_port_cfg[port].n_txq);
+ }
+ else if (rate > prox_port_cfg[port].link_speed) {
+ plog_err("Max rate allowed on port %u queue %u is %u Mbps\n",
+ port, queue, prox_port_cfg[port].link_speed);
+ }
+ else {
+ if (rate == 0) {
+ plog_info("Disabling rate limiting on port %u queue %u\n",
+ port, queue);
+ }
+ else {
+ plog_info("Setting rate limiting to %u Mbps on port %u queue %u\n",
+ rate, port, queue);
+ }
+ rte_eth_set_queue_rate_limit(port, queue, rate);
+ }
+ return 0;
+}
+
+int task_is_mode(uint32_t lcore_id, uint32_t task_id, const char *mode, const char *sub_mode)
+{
+ struct task_init *t = lcore_cfg[lcore_id].targs[task_id].task_init;
+
+ return !strcmp(t->mode_str, mode) && !strcmp(t->sub_mode_str, sub_mode);
+}
+
+int task_is_sub_mode(uint32_t lcore_id, uint32_t task_id, const char *sub_mode)
+{
+ struct task_init *t = lcore_cfg[lcore_id].targs[task_id].task_init;
+
+ return !strcmp(t->sub_mode_str, sub_mode);
+}
+
+static void log_pkt_count(uint32_t count, uint32_t lcore_id, uint32_t task_id)
+{
+ if (count == UINT32_MAX)
+ plog_info("Core %u task %u will keep sending packets\n", lcore_id, task_id);
+ else if (count == 0)
+ plog_info("Core %u task %u waits for next count command\n", lcore_id, task_id);
+ else
+ plog_info("Core %u task %u stopping after %u packets\n", lcore_id, task_id, count);
+}
+
+static int parse_cmd_count(const char *str, struct input *input)
+{
+ unsigned lcores[RTE_MAX_LCORE], lcore_id, task_id, count, nb_cores;
+
+ if (parse_core_task(str, lcores, &task_id, &nb_cores))
+ return -1;
+ if (!(str = strchr_skip_twice(str, ' ')))
+ return -1;
+ if (sscanf(str, "%u", &count) != 1)
+ return -1;
+
+ if (cores_task_are_valid(lcores, task_id, nb_cores)) {
+ for (unsigned int i = 0; i < nb_cores; i++) {
+ lcore_id = lcores[i];
+ if ((!task_is_mode(lcore_id, task_id, "gen", "")) && (!task_is_mode(lcore_id, task_id, "gen", "l3"))) {
+ plog_err("Core %u task %u is not generating packets\n", lcore_id, task_id);
+ }
+ else {
+ struct task_base *task = lcore_cfg[lcore_id].tasks_all[task_id];
+
+ log_pkt_count(count, lcore_id, task_id);
+ task_gen_set_pkt_count(task, count);
+ }
+ }
+ }
+ return 0;
+}
+
+static int parse_cmd_set_probability(const char *str, struct input *input)
+{
+ unsigned lcores[RTE_MAX_LCORE], lcore_id, task_id, nb_cores;
+ float probability;
+
+ if (parse_core_task(str, lcores, &task_id, &nb_cores))
+ return -1;
+ if (!(str = strchr_skip_twice(str, ' ')))
+ return -1;
+ if (sscanf(str, "%f", &probability) != 1)
+ return -1;
+
+ if (cores_task_are_valid(lcores, task_id, nb_cores)) {
+ for (unsigned int i = 0; i < nb_cores; i++) {
+ lcore_id = lcores[i];
+ if (!task_is_mode(lcore_id, task_id, "impair", "")) {
+ plog_err("Core %u task %u is not impairing packets\n", lcore_id, task_id);
+ }
+ struct task_base *tbase = lcore_cfg[lcore_id].tasks_all[task_id];
+ task_impair_set_proba(tbase, probability);
+ }
+ }
+ return 0;
+}
+
+static int parse_cmd_delay_us(const char *str, struct input *input)
+{
+ unsigned lcores[RTE_MAX_LCORE], lcore_id, task_id, delay_us, nb_cores;
+
+ if (parse_core_task(str, lcores, &task_id, &nb_cores))
+ return -1;
+ if (!(str = strchr_skip_twice(str, ' ')))
+ return -1;
+ if (sscanf(str, "%d", &delay_us) != 1)
+ return -1;
+
+ if (cores_task_are_valid(lcores, task_id, nb_cores)) {
+ for (unsigned int i = 0; i < nb_cores; i++) {
+ lcore_id = lcores[i];
+ if (!task_is_mode(lcore_id, task_id, "impair", "")) {
+ plog_err("Core %u task %u is not impairing packets\n", lcore_id, task_id);
+ }
+ struct task_base *tbase = lcore_cfg[lcore_id].tasks_all[task_id];
+ task_impair_set_delay_us(tbase, delay_us, 0);
+ }
+ }
+ return 0;
+}
+
+static int parse_cmd_random_delay_us(const char *str, struct input *input)
+{
+ unsigned lcores[RTE_MAX_LCORE], lcore_id, task_id, delay_us, nb_cores;
+
+ if (parse_core_task(str, lcores, &task_id, &nb_cores))
+ return -1;
+ if (!(str = strchr_skip_twice(str, ' ')))
+ return -1;
+ if (sscanf(str, "%d", &delay_us) != 1)
+ return -1;
+
+ if (cores_task_are_valid(lcores, task_id, nb_cores)) {
+ for (unsigned int i = 0; i < nb_cores; i++) {
+ lcore_id = lcores[i];
+ if (!task_is_mode(lcore_id, task_id, "impair", "")) {
+ plog_err("Core %u task %u is not impairing packets\n", lcore_id, task_id);
+ }
+ struct task_base *tbase = lcore_cfg[lcore_id].tasks_all[task_id];
+ task_impair_set_delay_us(tbase, 0, delay_us);
+ }
+ }
+ return 0;
+}
+
+static int parse_cmd_bypass(const char *str, struct input *input)
+{
+ unsigned lcores[RTE_MAX_LCORE], lcore_id, task_id, pkt_size, nb_cores;
+
+ if (parse_core_task(str, lcores, &task_id, &nb_cores))
+ return -1;
+ if ((prox_cfg.flags & DSF_ENABLE_BYPASS) == 0) {
+ plog_err("enable bypass not set => command not supported\n");
+ return -1;
+ }
+
+ if (cores_task_are_valid(lcores, task_id, nb_cores)) {
+ for (unsigned int i = 0; i < nb_cores; i++) {
+ lcore_id = lcores[i];
+ if (bypass_task(lcore_id, task_id) != 0)
+ return -1;
+ }
+ }
+ return 0;
+}
+
+static int parse_cmd_reconnect(const char *str, struct input *input)
+{
+ unsigned lcores[RTE_MAX_LCORE], lcore_id, task_id, pkt_size, nb_cores;
+
+ if (parse_core_task(str, lcores, &task_id, &nb_cores))
+ return -1;
+ if (cores_task_are_valid(lcores, task_id, nb_cores)) {
+ for (unsigned int i = 0; i < nb_cores; i++) {
+ lcore_id = lcores[i];
+ if (reconnect_task(lcore_id, task_id) != 0)
+ return -1;
+ }
+ }
+ return 0;
+}
+
+static int parse_cmd_pkt_size(const char *str, struct input *input)
+{
+ unsigned lcores[RTE_MAX_LCORE], lcore_id, task_id, pkt_size, nb_cores;
+
+ if (parse_core_task(str, lcores, &task_id, &nb_cores))
+ return -1;
+ if (!(str = strchr_skip_twice(str, ' ')))
+ return -1;
+ if (sscanf(str, "%d", &pkt_size) != 1)
+ return -1;
+
+ if (cores_task_are_valid(lcores, task_id, nb_cores)) {
+ for (unsigned int i = 0; i < nb_cores; i++) {
+ lcore_id = lcores[i];
+ if ((!task_is_mode(lcore_id, task_id, "gen", "")) && (!task_is_mode(lcore_id, task_id, "gen", "l3"))) {
+ plog_err("Core %u task %u is not generating packets\n", lcore_id, task_id);
+ }
+ struct task_base *tbase = lcore_cfg[lcore_id].tasks_all[task_id];
+
+ if (task_gen_set_pkt_size(tbase, pkt_size) != 0)
+ return -1;
+ }
+ }
+ return 0;
+}
+
+static int parse_cmd_speed(const char *str, struct input *input)
+{
+ unsigned lcores[RTE_MAX_LCORE], task_id, lcore_id, nb_cores;
+ float speed;
+ unsigned i;
+
+ if (parse_core_task(str, lcores, &task_id, &nb_cores))
+ return -1;
+ if (!(str = strchr_skip_twice(str, ' ')))
+ return -1;
+ if (sscanf(str, "%f", &speed) != 1) {
+ return -1;
+ }
+
+ if (!cores_task_are_valid(lcores, task_id, nb_cores)) {
+ return 0;
+ }
+
+ for (i = 0; i < nb_cores; i++) {
+ lcore_id = lcores[i];
+ if ((!task_is_mode(lcore_id, task_id, "gen", "")) && (!task_is_mode(lcore_id, task_id, "gen", "l3"))) {
+ plog_err("Core %u task %u is not generating packets\n", lcore_id, task_id);
+ }
+ else if (speed > 400.0f || speed < 0.0f) {
+ plog_err("Speed out of range (must be betweeen 0%% and 100%%)\n");
+ }
+ else {
+ struct task_base *tbase = lcore_cfg[lcore_id].tasks_all[task_id];
+ uint64_t bps = speed * 12500000;
+
+ plog_info("Setting rate to %"PRIu64" Bps\n", bps);
+
+ task_gen_set_rate(tbase, bps);
+ }
+ }
+ return 0;
+}
+
+static int parse_cmd_speed_byte(const char *str, struct input *input)
+{
+ unsigned lcores[RTE_MAX_LCORE], lcore_id, task_id, nb_cores;
+ uint64_t bps;
+
+ if (parse_core_task(str, lcores, &task_id, &nb_cores))
+ return -1;
+ if (!(str = strchr_skip_twice(str, ' ')))
+ return -1;
+ if (sscanf(str, "%"PRIu64"", &bps) != 1)
+ return -1;
+
+ if (cores_task_are_valid(lcores, task_id, nb_cores)) {
+ for (unsigned int i = 0; i < nb_cores; i++) {
+ lcore_id = lcores[i];
+
+ if ((!task_is_mode(lcore_id, task_id, "gen", "")) && (!task_is_mode(lcore_id, task_id, "gen", "l3"))) {
+ plog_err("Core %u task %u is not generating packets\n", lcore_id, task_id);
+ }
+ else if (bps > 1250000000) {
+ plog_err("Speed out of range (must be <= 1250000000)\n");
+ }
+ else {
+ struct task_base *tbase = lcore_cfg[lcore_id].tasks_all[task_id];
+
+ plog_info("Setting rate to %"PRIu64" Bps\n", bps);
+ task_gen_set_rate(tbase, bps);
+ }
+ }
+ }
+ return 0;
+}
+
+static int parse_cmd_reset_randoms_all(const char *str, struct input *input)
+{
+ if (strcmp(str, "") != 0) {
+ return -1;
+ }
+
+ unsigned task_id, lcore_id = -1;
+ while (prox_core_next(&lcore_id, 0) == 0) {
+ for (task_id = 0; task_id < lcore_cfg[lcore_id].n_tasks_all; task_id++) {
+ if ((task_is_mode(lcore_id, task_id, "gen", "")) || (task_is_mode(lcore_id, task_id, "gen", "l3"))) {
+ struct task_base *tbase = lcore_cfg[lcore_id].tasks_all[task_id];
+ uint32_t n_rands = task_gen_get_n_randoms(tbase);
+
+ plog_info("Resetting randoms on core %d task %d from %d randoms\n", lcore_id, task_id, n_rands);
+ task_gen_reset_randoms(tbase);
+ }
+ }
+ }
+ return 0;
+}
+
+static int parse_cmd_reset_values_all(const char *str, struct input *input)
+{
+ if (strcmp(str, "") != 0) {
+ return -1;
+ }
+
+ unsigned task_id, lcore_id = -1;
+ while (prox_core_next(&lcore_id, 0) == 0) {
+ for (task_id = 0; task_id < lcore_cfg[lcore_id].n_tasks_all; task_id++) {
+ if ((task_is_mode(lcore_id, task_id, "gen", "")) || (task_is_mode(lcore_id, task_id, "gen", "l3"))) {
+ struct task_base *tbase = lcore_cfg[lcore_id].tasks_all[task_id];
+
+ plog_info("Resetting values on core %d task %d\n", lcore_id, task_id);
+ task_gen_reset_values(tbase);
+ }
+ }
+ }
+ return 0;
+}
+
+static int parse_cmd_reset_values(const char *str, struct input *input)
+{
+ unsigned lcores[RTE_MAX_LCORE], lcore_id, task_id, nb_cores;
+
+ if (parse_core_task(str, lcores, &task_id, &nb_cores))
+ return -1;
+
+ if (cores_task_are_valid(lcores, task_id, nb_cores)) {
+ for (unsigned int i = 0; i < nb_cores; i++) {
+ lcore_id = lcores[i];
+ if ((!task_is_mode(lcore_id, task_id, "gen", "")) && (!task_is_mode(lcore_id, task_id, "gen", "l3"))) {
+ plog_err("Core %u task %u is not generating packets\n", lcore_id, task_id);
+ }
+ else {
+ struct task_base *tbase = lcore_cfg[lcore_id].tasks_all[task_id];
+
+ plog_info("Resetting values on core %d task %d\n", lcore_id, task_id);
+ task_gen_reset_values(tbase);
+ }
+ }
+ }
+ return 0;
+}
+
+static int parse_cmd_set_value(const char *str, struct input *input)
+{
+ unsigned lcores[RTE_MAX_LCORE], lcore_id, task_id, value, nb_cores;
+ unsigned short offset;
+ uint8_t value_len;
+
+ if (parse_core_task(str, lcores, &task_id, &nb_cores))
+ return -1;
+ if (!(str = strchr_skip_twice(str, ' ')))
+ return -1;
+ if (sscanf(str, "%hu %u %hhu", &offset, &value, &value_len) != 3) {
+ return -1;
+ }
+
+ if (cores_task_are_valid(lcores, task_id, nb_cores)) {
+ for (unsigned int i = 0; i < nb_cores; i++) {
+ lcore_id = lcores[i];
+ if ((!task_is_mode(lcore_id, task_id, "gen", "")) && (!task_is_mode(lcore_id, task_id, "gen", "l3"))) {
+ plog_err("Core %u task %u is not generating packets\n", lcore_id, task_id);
+ }
+ else if (offset > ETHER_MAX_LEN) {
+ plog_err("Offset out of range (must be less then %u)\n", ETHER_MAX_LEN);
+ }
+ else if (value_len > 4) {
+ plog_err("Length out of range (must be less then 4)\n");
+ }
+ else {
+ struct task_base *tbase = lcore_cfg[lcore_id].tasks_all[task_id];
+
+ if (task_gen_set_value(tbase, value, offset, value_len))
+ plog_info("Unable to set Byte %"PRIu16" to %"PRIu8" - too many value set\n", offset, value);
+ else
+ plog_info("Setting Byte %"PRIu16" to %"PRIu32"\n", offset, value);
+ }
+ }
+ }
+ return 0;
+}
+
+static int parse_cmd_set_random(const char *str, struct input *input)
+{
+ unsigned lcores[RTE_MAX_LCORE], lcore_id, task_id, nb_cores;
+ unsigned short offset;
+ uint8_t value_len;
+ char rand_str[64];
+ int16_t rand_id = -1;
+
+ if (parse_core_task(str, lcores, &task_id, &nb_cores))
+ return -1;
+ if (!(str = strchr_skip_twice(str, ' ')))
+ return -1;
+ if (sscanf(str, "%hu %32s %hhu", &offset, rand_str, &value_len) != 3) {
+ return -1;
+ }
+
+ if (cores_task_are_valid(lcores, task_id, nb_cores)) {
+ for (unsigned int i = 0; i < nb_cores; i++) {
+ lcore_id = lcores[i];
+ if ((!task_is_mode(lcore_id, task_id, "gen", "")) && (!task_is_mode(lcore_id, task_id, "gen", "l3"))) {
+ plog_err("Core %u task %u is not generating packets\n", lcore_id, task_id);
+ }
+ else if (offset > ETHER_MAX_LEN) {
+ plog_err("Offset out of range (must be less then %u)\n", ETHER_MAX_LEN);
+ }
+ else if (value_len > 4) {
+ plog_err("Length out of range (must be less then 4)\n");
+ } else {
+ struct task_base *tbase = lcore_cfg[lcore_id].tasks_all[task_id];
+
+ if (task_gen_add_rand(tbase, rand_str, offset, rand_id)) {
+ plog_warn("Random not added on core %u task %u\n", lcore_id, task_id);
+ }
+ }
+ }
+ }
+ return 0;
+}
+
+static int parse_cmd_thread_info(const char *str, struct input *input)
+{
+ unsigned lcores[RTE_MAX_LCORE], lcore_id, task_id, nb_cores;
+
+ if (parse_core_task(str, lcores, &task_id, &nb_cores))
+ return -1;
+ for (unsigned int i = 0; i < nb_cores; i++) {
+ cmd_thread_info(lcores[i], task_id);
+ }
+ return 0;
+}
+
+static int parse_cmd_verbose(const char *str, struct input *input)
+{
+ unsigned id;
+
+ if (sscanf(str, "%u", &id) != 1) {
+ return -1;
+ }
+
+ if (plog_set_lvl(id) != 0) {
+ plog_err("Cannot set log level to %u\n", id);
+ }
+ return 0;
+}
+
+static int parse_cmd_arp_add(const char *str, struct input *input)
+{
+ struct arp_msg amsg;
+ struct arp_msg *pmsg = &amsg;
+ unsigned lcores[RTE_MAX_LCORE], lcore_id, task_id, nb_cores;
+ struct rte_ring *ring;
+
+ if (parse_core_task(str, lcores, &task_id, &nb_cores))
+ return -1;
+ if (!(str = strchr_skip_twice(str, ' ')))
+ return -1;
+ if (strcmp(str, ""))
+ return -1;
+ if (cores_task_are_valid(lcores, task_id, nb_cores)) {
+ if (str_to_arp_msg(&amsg, str) == 0) {
+ for (unsigned int i = 0; i < nb_cores; i++) {
+ lcore_id = lcores[i];
+ ring = ctrl_rings[lcore_id*MAX_TASKS_PER_CORE + task_id];
+ if (!ring) {
+ plog_err("No ring for control messages to core %u task %u\n", lcore_id, task_id);
+ }
+ else {
+#if RTE_VERSION < RTE_VERSION_NUM(17,5,0,1)
+ while (rte_ring_sp_enqueue_bulk(ring, (void *const *)&pmsg, 1));
+#else
+ while (rte_ring_sp_enqueue_bulk(ring, (void *const *)&pmsg, 1, NULL) == 0);
+#endif
+ while (!rte_ring_empty(ring));
+ }
+ }
+ return 0;
+ }
+ }
+ return -1;
+}
+
+static int parse_cmd_rule_add(const char *str, struct input *input)
+{
+ struct rte_ring *ring;
+ unsigned lcores[RTE_MAX_LCORE], lcore_id, task_id, nb_cores;
+
+ if (parse_core_task(str, lcores, &task_id, &nb_cores))
+ return -1;
+ if (!(str = strchr_skip_twice(str, ' ')))
+ return -1;
+ if (strcmp(str, ""))
+ return -1;
+ char *fields[9];
+ char str_cpy[255];
+ strncpy(str_cpy, str, 255);
+ // example add rule command: rule add 15 0 1&0x0fff 1&0x0fff 0&0 128.0.0.0/1 128.0.0.0/1 5000-5000 5000-5000 allow
+ int ret = rte_strsplit(str_cpy, 255, fields, 9, ' ');
+ if (ret != 8) {
+ return -1;
+ }
+
+ struct acl4_rule rule;
+ struct acl4_rule *prule = &rule;
+ if (cores_task_are_valid(lcores, task_id, nb_cores)) {
+ if (str_to_rule(&rule, fields, -1, 1) == 0) {
+ for (unsigned int i = 0; i < nb_cores; i++) {
+ lcore_id = lcores[i];
+ ring = ctrl_rings[lcore_id*MAX_TASKS_PER_CORE + task_id];
+ if (!ring) {
+ plog_err("No ring for control messages to core %u task %u\n", lcore_id, task_id);
+ }
+ else {
+#if RTE_VERSION < RTE_VERSION_NUM(17,5,0,1)
+ while (rte_ring_sp_enqueue_bulk(ring, (void *const *)&prule, 1));
+#else
+ while (rte_ring_sp_enqueue_bulk(ring, (void *const *)&prule, 1, NULL) == 0);
+#endif
+ while (!rte_ring_empty(ring));
+ }
+ }
+ return 0;
+ }
+ }
+ return -1;
+}
+
+static int parse_cmd_gateway_ip(const char *str, struct input *input)
+{
+ unsigned lcores[RTE_MAX_LCORE], lcore_id, task_id, ip[4], nb_cores, i;
+
+ if (parse_core_task(str, lcores, &task_id, &nb_cores))
+ return -1;
+ if (!(str = strchr_skip_twice(str, ' ')))
+ return -1;
+ if (!strcmp(str, ""))
+ return -1;
+ if (sscanf(str, "%u.%u.%u.%u", ip, ip + 1, ip + 2, ip + 3) != 4) {
+ return -1;
+ }
+ for (i = 0; i < nb_cores; i++) {
+ lcore_id = lcores[i];
+ if ((!task_is_mode(lcore_id, task_id, "gen", "")) && (!task_is_mode(lcore_id, task_id, "gen", "l3"))) {
+ plog_err("Core %u task %u is not generating packets\n", lcore_id, task_id);
+ }
+ else {
+ uint32_t gateway_ip = ((ip[3] & 0xFF) << 24) | ((ip[2] & 0xFF) << 16) | ((ip[1] & 0xFF) << 8) | ((ip[0] & 0xFF) << 0);
+ struct task_base *tbase = lcore_cfg[lcore_id].tasks_all[task_id];
+ plog_info("Setting gateway ip to %s\n", str);
+ task_gen_set_gateway_ip(tbase, gateway_ip);
+ }
+ }
+ return 0;
+}
+
+static int parse_cmd_local_ip(const char *str, struct input *input)
+{
+ unsigned lcores[RTE_MAX_LCORE], lcore_id, task_id, ip[4], nb_cores, i;
+
+ if (parse_core_task(str, lcores, &task_id, &nb_cores))
+ return -1;
+ if (!(str = strchr_skip_twice(str, ' ')))
+ return -1;
+ if (!strcmp(str, ""))
+ return -1;
+ if (sscanf(str, "%u.%u.%u.%u", ip, ip + 1, ip + 2, ip + 3) != 4) {
+ return -1;
+ }
+ for (i = 0; i < nb_cores; i++) {
+ lcore_id = lcores[i];
+ if (!task_is_mode(lcore_id, task_id, "arp", "local")) {
+ plog_err("Core %u task %u is not in arp mode\n", lcore_id, task_id);
+ }
+ else {
+ uint32_t local_ip = ((ip[3] & 0xFF) << 24) | ((ip[2] & 0xFF) << 16) | ((ip[1] & 0xFF) << 8) | ((ip[0] & 0xFF) << 0);
+ struct task_base *tbase = lcore_cfg[lcore_id].tasks_all[task_id];
+ plog_info("Setting local ip to %s\n", str);
+ task_arp_set_local_ip(tbase, local_ip);
+ }
+ }
+ return 0;
+}
+
+static int parse_cmd_route_add(const char *str, struct input *input)
+{
+ unsigned lcores[RTE_MAX_LCORE], lcore_id, task_id, prefix, next_hop_idx, ip[4], nb_cores;
+
+ if (parse_core_task(str, lcores, &task_id, &nb_cores))
+ return -1;
+ if (!(str = strchr_skip_twice(str, ' ')))
+ return -1;
+ if (strcmp(str, ""))
+ return -1;
+ if (sscanf(str, "%u.%u.%u.%u/%u %u", ip, ip + 1, ip + 2, ip + 3,
+ &prefix, &next_hop_idx) != 8) {
+ return -1;
+ }
+ struct rte_ring *ring;
+
+ if (cores_task_are_valid(lcores, task_id, nb_cores)) {
+ for (unsigned int i = 0; i < nb_cores; i++) {
+ lcore_id = lcores[i];
+ ring = ctrl_rings[lcore_id*MAX_TASKS_PER_CORE + task_id];
+ if (!ring) {
+ plog_err("No ring for control messages to core %u task %u\n", lcore_id, task_id);
+ }
+ else {
+ struct route_msg rmsg;
+ struct route_msg *pmsg = &rmsg;
+
+ rmsg.ip_bytes[0] = ip[0];
+ rmsg.ip_bytes[1] = ip[1];
+ rmsg.ip_bytes[2] = ip[2];
+ rmsg.ip_bytes[3] = ip[3];
+ rmsg.prefix = prefix;
+ rmsg.nh = next_hop_idx;
+#if RTE_VERSION < RTE_VERSION_NUM(17,5,0,1)
+ while (rte_ring_sp_enqueue_bulk(ring, (void *const *)&pmsg, 1));
+#else
+ while (rte_ring_sp_enqueue_bulk(ring, (void *const *)&pmsg, 1, NULL) == 0);
+#endif
+ while (!rte_ring_empty(ring));
+ }
+ }
+ }
+ return 0;
+}
+
+static int parse_cmd_start(const char *str, struct input *input)
+{
+ int task_id = -1;
+
+ if (strncmp(str, "all", 3) == 0) {
+ str += 3;
+ sscanf(str, "%d", &task_id);
+
+ start_core_all(task_id);
+ req_refresh();
+ return 0;
+ }
+
+ uint32_t cores[64] = {0};
+ int ret;
+ ret = parse_list_set(cores, str, 64);
+ if (ret < 0) {
+ return -1;
+ }
+ str = strchr(str, ' ');
+
+ if (str) {
+ sscanf(str, "%d", &task_id);
+ }
+ start_cores(cores, ret, task_id);
+ req_refresh();
+ return 0;
+}
+
+static int parse_cmd_stop(const char *str, struct input *input)
+{
+ int task_id = -1;
+
+ if (strncmp(str, "all", 3) == 0) {
+ str += 3;
+ sscanf(str, "%d", &task_id);
+ stop_core_all(task_id);
+ req_refresh();
+ return 0;
+ }
+
+ uint32_t cores[64] = {0};
+ int ret;
+ ret = parse_list_set(cores, str, 64);
+ if (ret < 0) {
+ return -1;
+ }
+ str = strchr(str, ' ');
+
+ if (str) {
+ sscanf(str, "%d", &task_id);
+ }
+ stop_cores(cores, ret, task_id);
+ req_refresh();
+
+ return 0;
+}
+
+static int parse_cmd_rx_distr_start(const char *str, struct input *input)
+{
+ unsigned lcore_id[RTE_MAX_LCORE];
+
+ int nb_cores;
+
+ nb_cores = parse_list_set(lcore_id, str, sizeof(lcore_id)/sizeof(lcore_id[0]));
+
+ if (nb_cores <= 0) {
+ return -1;
+ }
+
+ for (int i = 0; i < nb_cores; ++i)
+ cmd_rx_distr_start(lcore_id[i]);
+ return 0;
+}
+
+static int parse_cmd_tx_distr_start(const char *str, struct input *input)
+{
+ unsigned lcore_id[RTE_MAX_LCORE];
+
+ int nb_cores;
+
+ nb_cores = parse_list_set(lcore_id, str, sizeof(lcore_id)/sizeof(lcore_id[0]));
+
+ if (nb_cores <= 0) {
+ return -1;
+ }
+
+ for (int i = 0; i < nb_cores; ++i)
+ cmd_tx_distr_start(lcore_id[i]);
+ return 0;
+}
+
+static int parse_cmd_rx_distr_stop(const char *str, struct input *input)
+{
+ unsigned lcore_id[RTE_MAX_LCORE];
+
+ int nb_cores;
+
+ nb_cores = parse_list_set(lcore_id, str, sizeof(lcore_id)/sizeof(lcore_id[0]));
+
+ if (nb_cores <= 0) {
+ return -1;
+ }
+
+ for (int i = 0; i < nb_cores; ++i)
+ cmd_rx_distr_stop(lcore_id[i]);
+ return 0;
+}
+
+static int parse_cmd_tx_distr_stop(const char *str, struct input *input)
+{
+ unsigned lcore_id[RTE_MAX_LCORE];
+
+ int nb_cores;
+
+ nb_cores = parse_list_set(lcore_id, str, sizeof(lcore_id)/sizeof(lcore_id[0]));
+
+ if (nb_cores <= 0) {
+ return -1;
+ }
+
+ for (int i = 0; i < nb_cores; ++i)
+ cmd_tx_distr_stop(lcore_id[i]);
+ return 0;
+}
+
+static int parse_cmd_rx_distr_reset(const char *str, struct input *input)
+{
+ unsigned lcore_id[RTE_MAX_LCORE];
+
+ int nb_cores;
+
+ nb_cores = parse_list_set(lcore_id, str, sizeof(lcore_id)/sizeof(lcore_id[0]));
+
+ if (nb_cores <= 0) {
+ return -1;
+ }
+
+ for (int i = 0; i < nb_cores; ++i)
+ cmd_rx_distr_rst(lcore_id[i]);
+ return 0;
+}
+
+static int parse_cmd_tx_distr_reset(const char *str, struct input *input)
+{
+ unsigned lcore_id[RTE_MAX_LCORE];
+
+ int nb_cores;
+
+ nb_cores = parse_list_set(lcore_id, str, sizeof(lcore_id)/sizeof(lcore_id[0]));
+
+ if (nb_cores <= 0) {
+ return -1;
+ }
+
+ for (int i = 0; i < nb_cores; ++i)
+ cmd_tx_distr_rst(lcore_id[i]);
+ return 0;
+}
+
+static int parse_cmd_rx_distr_show(const char *str, struct input *input)
+{
+ unsigned lcore_id[RTE_MAX_LCORE];
+
+ int nb_cores;
+
+ nb_cores = parse_list_set(lcore_id, str, sizeof(lcore_id)/sizeof(lcore_id[0]));
+
+ if (nb_cores <= 0) {
+ return -1;
+ }
+
+ for (int i = 0; i < nb_cores; ++i)
+ cmd_rx_distr_show(lcore_id[i]);
+ return 0;
+}
+
+static int parse_cmd_tx_distr_show(const char *str, struct input *input)
+{
+ unsigned lcore_id[RTE_MAX_LCORE];
+
+ int nb_cores;
+
+ nb_cores = parse_list_set(lcore_id, str, sizeof(lcore_id)/sizeof(lcore_id[0]));
+
+ if (nb_cores <= 0) {
+ return -1;
+ }
+
+ for (int i = 0; i < nb_cores; ++i)
+ cmd_tx_distr_show(lcore_id[i]);
+ return 0;
+}
+
+static int parse_cmd_tot_stats(const char *str, struct input *input)
+{
+ if (strcmp("", str) != 0) {
+ return -1;
+ }
+
+ struct global_stats_sample *gsl = stats_get_global_stats(1);
+ uint64_t tot_rx = gsl->host_rx_packets;
+ uint64_t tot_tx = gsl->host_tx_packets;
+ uint64_t last_tsc = gsl->tsc;
+
+ if (input->reply) {
+ char buf[128];
+ snprintf(buf, sizeof(buf), "%"PRIu64",%"PRIu64",%"PRIu64",%"PRIu64"\n",
+ tot_rx, tot_tx, last_tsc, rte_get_tsc_hz());
+ input->reply(input, buf, strlen(buf));
+ }
+ else {
+ plog_info("RX: %"PRIu64", TX: %"PRIu64"\n", tot_rx, tot_tx);
+ }
+ return 0;
+}
+
+static int parse_cmd_update_interval(const char *str, struct input *input)
+{
+ unsigned val;
+
+ if (sscanf(str, "%u", &val) != 1) {
+ return -1;
+ }
+
+ if (val == 0) {
+ plog_err("Minimum update interval is 1 ms\n");
+ }
+ else {
+ plog_info("Setting update interval to %d ms\n", val);
+ set_update_interval(val);
+ }
+ return 0;
+}
+
+static int parse_cmd_mem_info(const char *str, struct input *input)
+{
+ if (strcmp("", str) != 0) {
+ return -1;
+ }
+
+ cmd_mem_stats();
+ cmd_mem_layout();
+ return 0;
+}
+
+static int parse_cmd_tot_ierrors_tot(const char *str, struct input *input)
+{
+ if (strcmp(str, "") != 0) {
+ return -1;
+ }
+
+ struct global_stats_sample *gsl = stats_get_global_stats(1);
+ uint64_t tot = gsl->nics_ierrors;
+ uint64_t last_tsc = gsl->tsc;
+
+ if (input->reply) {
+ char buf[128];
+ snprintf(buf, sizeof(buf),
+ "%"PRIu64",%"PRIu64",%"PRIu64"\n",
+ tot, last_tsc, rte_get_tsc_hz());
+ input->reply(input, buf, strlen(buf));
+ }
+ else {
+ plog_info("ierrors: %"PRIu64"\n", tot);
+ }
+ return 0;
+}
+
+static int parse_cmd_tot_imissed_tot(const char *str, struct input *input)
+{
+ if (strcmp(str, "") != 0) {
+ return -1;
+ }
+
+ struct global_stats_sample *gsl = stats_get_global_stats(1);
+ uint64_t tot = gsl->nics_imissed;
+ uint64_t last_tsc = gsl->tsc;
+
+ if (input->reply) {
+ char buf[128];
+ snprintf(buf, sizeof(buf),
+ "%"PRIu64",%"PRIu64",%"PRIu64"\n",
+ tot, last_tsc, rte_get_tsc_hz());
+ input->reply(input, buf, strlen(buf));
+ }
+ else {
+ plog_info("imissed: %"PRIu64"\n", tot);
+ }
+ return 0;
+}
+
+static int parse_cmd_reset_port(const char *str, struct input *input)
+{
+ uint32_t port_id;
+
+ if (sscanf(str, "%u", &port_id ) != 1) {
+ return -1;
+ }
+
+ cmd_reset_port(port_id);
+ return 0;
+}
+
+static int parse_cmd_write_reg(const char *str, struct input *input)
+{
+ uint32_t port_id;
+ uint32_t id, val;
+
+ if (sscanf(str, "%u %x %u", &port_id, &id, &val) != 3) {
+ return -1;
+ }
+
+ cmd_write_reg(port_id, id, val);
+ return 0;
+}
+
+static int parse_cmd_read_reg(const char *str, struct input *input)
+{
+ uint32_t port_id;
+ uint32_t id;
+
+ if (sscanf(str, "%u %x", &port_id, &id) != 2) {
+ return -1;
+ }
+
+ cmd_read_reg(port_id, id);
+ return 0;
+}
+
+static int parse_cmd_cache_reset(const char *str, struct input *input)
+{
+ cmd_cache_reset();
+ return 0;
+}
+
+static int parse_cmd_set_cache_class_mask(const char *str, struct input *input)
+{
+ uint32_t lcore_id;
+ uint32_t set;
+ uint32_t val;
+
+ if (sscanf(str, "%u %u %u", &lcore_id, &set, &val) != 3) {
+ return -1;
+ }
+
+ cmd_set_cache_class_mask(lcore_id, set, val);
+ return 0;
+}
+
+static int parse_cmd_set_cache_class(const char *str, struct input *input)
+{
+ uint32_t lcore_id;
+ uint32_t set;
+
+ if (sscanf(str, "%u %u", &lcore_id, &set) != 2) {
+ return -1;
+ }
+
+ cmd_set_cache_class(lcore_id, set);
+ return 0;
+}
+
+static int parse_cmd_get_cache_class_mask(const char *str, struct input *input)
+{
+ uint32_t lcore_id;
+ uint32_t set;
+ uint32_t val = 0;
+
+ if (sscanf(str, "%u %u", &lcore_id, &set) != 2) {
+ return -1;
+ }
+
+ cmd_get_cache_class_mask(lcore_id, set, &val);
+ if (input->reply) {
+ char buf[128];
+ snprintf(buf, sizeof(buf), "%d, %d, %x\n", lcore_id, set, val);
+ input->reply(input, buf, strlen(buf));
+ } else {
+ plog_info("core=%d, set=%d, mask=%x\n", lcore_id, set, val);
+ }
+ return 0;
+}
+
+static int parse_cmd_get_cache_class(const char *str, struct input *input)
+{
+ uint32_t lcore_id;
+ uint32_t set;
+ uint32_t val;
+
+ if (sscanf(str, "%u", &lcore_id) != 1) {
+ return -1;
+ }
+
+ cmd_get_cache_class(lcore_id, &set);
+ if (input->reply) {
+ char buf[128];
+ snprintf(buf, sizeof(buf), "%d, %d\n", lcore_id, set);
+ input->reply(input, buf, strlen(buf));
+ } else {
+ plog_info("core=%d, cos=%d\n", lcore_id, set);
+ }
+ return 0;
+}
+
+static int parse_cmd_get_cache_mask(const char *str, struct input *input)
+{
+ uint32_t lcore_id;
+ uint32_t set;
+ uint32_t mask;
+
+ if (sscanf(str, "%u", &lcore_id) != 1) {
+ return -1;
+ }
+
+ cmd_get_cache_class(lcore_id, &set);
+ cmd_get_cache_class_mask(lcore_id, set, &mask);
+ if (input->reply) {
+ char buf[128];
+ snprintf(buf, sizeof(buf), "%d, %x\n", lcore_id, mask);
+ input->reply(input, buf, strlen(buf));
+ } else {
+ plog_info("core=%d, mask=%x\n", lcore_id, mask);
+ }
+ return 0;
+}
+
+static int parse_cmd_set_vlan_offload(const char *str, struct input *input)
+{
+ uint32_t port_id;
+ uint32_t val;
+
+ if (sscanf(str, "%u %u", &port_id, &val) != 2) {
+ return -1;
+ }
+
+ cmd_set_vlan_offload(port_id, val);
+ return 0;
+}
+
+static int parse_cmd_set_vlan_filter(const char *str, struct input *input)
+{
+ uint32_t port_id;
+ uint32_t id, val;
+
+ if (sscanf(str, "%u %d %u", &port_id, &id, &val) != 3) {
+ return -1;
+ }
+
+ cmd_set_vlan_filter(port_id, id, val);
+ return 0;
+}
+
+static int parse_cmd_ring_info_all(const char *str, struct input *input)
+{
+ if (strcmp(str, "") != 0) {
+ return -1;
+ }
+ cmd_ringinfo_all();
+ return 0;
+}
+
+static int parse_cmd_port_up(const char *str, struct input *input)
+{
+ unsigned val;
+
+ if (sscanf(str, "%u", &val) != 1) {
+ return -1;
+ }
+
+ cmd_port_up(val);
+ return 0;
+}
+
+static int parse_cmd_port_down(const char *str, struct input *input)
+{
+ unsigned val;
+
+ if (sscanf(str, "%u", &val) != 1) {
+ return -1;
+ }
+
+ cmd_port_down(val);
+ return 0;
+}
+
+static int parse_cmd_port_link_state(const char *str, struct input *input)
+{
+ unsigned val;
+
+ if (sscanf(str, "%u", &val) != 1) {
+ return -1;
+ }
+
+ if (!port_is_active(val))
+ return -1;
+
+ int active = prox_port_cfg[val].link_up;
+ const char *state = active? "up\n" : "down\n";
+
+ if (input->reply)
+ input->reply(input, state, strlen(state));
+ else
+ plog_info("%s", state);
+
+ return 0;
+}
+
+static int parse_cmd_xstats(const char *str, struct input *input)
+{
+ unsigned val;
+
+ if (sscanf(str, "%u", &val) != 1) {
+ return -1;
+ }
+
+ cmd_xstats(val);
+ return 0;
+}
+
+static int parse_cmd_stats(const char *str, struct input *input)
+{
+ if (strcmp(str, "") == 0)
+ return -1;
+
+ char buf[32768];
+ char ret2[32768];
+ char *ret = ret2;
+ int list = 0;
+
+ strncpy(buf, str, sizeof(buf) - 1);
+ char *tok;
+ uint64_t stat_val;
+
+ while ((tok = strchr(str, ','))) {
+ *tok = 0;
+ stat_val = stats_parser_get(str);
+
+ ret += sprintf(ret, "%s%"PRIu64"", list? "," :"", stat_val);
+ list = 1;
+ str = tok + 1;
+ }
+
+ stat_val = stats_parser_get(str);
+ ret += sprintf(ret, "%s%"PRIu64"", list? "," :"", stat_val);
+
+ sprintf(ret, "\n");
+
+ if (input->reply)
+ input->reply(input, ret2, strlen(ret2));
+ else
+ plog_info("%s", ret2);
+ return 0;
+}
+
+static void replace_char(char *str, char to_replace, char by)
+{
+ for (size_t i = 0; str[i] != '\0'; ++i) {
+ if (str[i] == to_replace)
+ str[i] = by;
+ }
+}
+
+static int parse_cmd_port_info(const char *str, struct input *input)
+{
+ int val;
+
+ if (strcmp(str, "all") == 0) {
+ val = -1;
+ }
+ else if (sscanf(str, "%d", &val) != 1) {
+ return -1;
+ }
+
+ char port_info[2048];
+
+ cmd_portinfo(val, port_info, sizeof(port_info));
+
+ if (input->reply) {
+ replace_char(port_info, '\n', ',');
+ port_info[strlen(port_info) - 1] = '\n';
+ input->reply(input, port_info, strlen(port_info));
+ } else
+ plog_info("%s", port_info);
+
+ return 0;
+}
+
+static int parse_cmd_ring_info(const char *str, struct input *input)
+{
+ unsigned lcores[RTE_MAX_LCORE], task_id, nb_cores;
+
+ if (parse_core_task(str, lcores, &task_id, &nb_cores))
+ return -1;
+
+ if (cores_task_are_valid(lcores, task_id, nb_cores)) {
+ for (unsigned int i = 0; i < nb_cores; i++) {
+ cmd_ringinfo(lcores[i], task_id);
+ }
+ }
+ return 0;
+}
+
+static int parse_cmd_port_stats(const char *str, struct input *input)
+{
+ unsigned val;
+
+ if (sscanf(str, "%u", &val) != 1) {
+ return -1;
+ }
+
+ struct get_port_stats s;
+ if (stats_port(val, &s)) {
+ plog_err("Invalid port %u\n", val);
+ return 0;
+ }
+ char buf[256];
+ snprintf(buf, sizeof(buf),
+ "%"PRIu64",%"PRIu64",%"PRIu64",%"PRIu64","
+ "%"PRIu64",%"PRIu64",%"PRIu64",%"PRIu64","
+ "%"PRIu64",%"PRIu64",%"PRIu64",%"PRIu64"\n",
+ s.no_mbufs_diff, s.ierrors_diff + s.imissed_diff,
+ s.rx_bytes_diff, s.tx_bytes_diff,
+ s.rx_pkts_diff, s.tx_pkts_diff,
+ s.rx_tot, s.tx_tot,
+ s.no_mbufs_tot, s.ierrors_tot + s.imissed_tot,
+ s.last_tsc, s.prev_tsc);
+ plog_info("%s", buf);
+ if (input->reply)
+ input->reply(input, buf, strlen(buf));
+ return 0;
+}
+
+static int parse_cmd_core_stats(const char *str, struct input *input)
+{
+ unsigned lcores[RTE_MAX_LCORE], lcore_id, task_id, nb_cores;
+
+ if (parse_core_task(str, lcores, &task_id, &nb_cores))
+ return -1;
+
+ if (cores_task_are_valid(lcores, task_id, nb_cores)) {
+ for (unsigned int i = 0; i < nb_cores; i++) {
+ lcore_id = lcores[i];
+ uint64_t tot_rx = stats_core_task_tot_rx(lcore_id, task_id);
+ uint64_t tot_tx = stats_core_task_tot_tx(lcore_id, task_id);
+ uint64_t tot_drop = stats_core_task_tot_drop(lcore_id, task_id);
+ uint64_t last_tsc = stats_core_task_last_tsc(lcore_id, task_id);
+
+ if (input->reply) {
+ char buf[128];
+ snprintf(buf, sizeof(buf),
+ "%"PRIu64",%"PRIu64",%"PRIu64",%"PRIu64",%"PRIu64"\n",
+ tot_rx, tot_tx, tot_drop, last_tsc, rte_get_tsc_hz());
+ input->reply(input, buf, strlen(buf));
+ }
+ else {
+ plog_info("RX: %"PRIu64", TX: %"PRIu64", DROP: %"PRIu64"\n",
+ tot_rx, tot_tx, tot_drop);
+ }
+ }
+ }
+ return 0;
+}
+
+static int parse_cmd_lat_stats(const char *str, struct input *input)
+{
+ unsigned lcores[RTE_MAX_LCORE], lcore_id, task_id, nb_cores;
+
+ if (parse_core_task(str, lcores, &task_id, &nb_cores))
+ return -1;
+
+ if (cores_task_are_valid(lcores, task_id, nb_cores)) {
+ for (unsigned int i = 0; i < nb_cores; i++) {
+ lcore_id = lcores[i];
+ if (!task_is_mode(lcore_id, task_id, "lat", "")) {
+ plog_err("Core %u task %u is not measuring latency\n", lcore_id, task_id);
+ }
+ else {
+ struct stats_latency *stats = stats_latency_find(lcore_id, task_id);
+ struct stats_latency *tot = stats_latency_tot_find(lcore_id, task_id);
+
+ uint64_t last_tsc = stats_core_task_last_tsc(lcore_id, task_id);
+ uint64_t lat_min_usec = time_unit_to_usec(&stats->min.time);
+ uint64_t lat_max_usec = time_unit_to_usec(&stats->max.time);
+ uint64_t tot_lat_min_usec = time_unit_to_usec(&tot->min.time);
+ uint64_t tot_lat_max_usec = time_unit_to_usec(&tot->max.time);
+ uint64_t lat_avg_usec = time_unit_to_usec(&stats->avg.time);
+
+ if (input->reply) {
+ char buf[128];
+ snprintf(buf, sizeof(buf),
+ "%"PRIu64",%"PRIu64",%"PRIu64",%"PRIu64",%"PRIu64",%"PRIu64",%"PRIu64"\n",
+ lat_min_usec,
+ lat_max_usec,
+ lat_avg_usec,
+ tot_lat_min_usec,
+ tot_lat_max_usec,
+ last_tsc,
+ rte_get_tsc_hz());
+ input->reply(input, buf, strlen(buf));
+ }
+ else {
+ plog_info("min: %"PRIu64", max: %"PRIu64", avg: %"PRIu64", min since reset: %"PRIu64", max since reset: %"PRIu64"\n",
+ lat_min_usec,
+ lat_max_usec,
+ lat_avg_usec,
+ tot_lat_min_usec,
+ tot_lat_max_usec);
+ }
+ }
+ }
+ }
+ return 0;
+}
+
+static int parse_cmd_irq(const char *str, struct input *input)
+{
+ unsigned int i, c;
+ unsigned lcores[RTE_MAX_LCORE], lcore_id, task_id, nb_cores;
+
+ if (parse_core_task(str, lcores, &task_id, &nb_cores))
+ return -1;
+
+ if (cores_task_are_valid(lcores, task_id, nb_cores)) {
+ for (c = 0; c < nb_cores; c++) {
+ lcore_id = lcores[c];
+ if (!task_is_mode(lcore_id, task_id, "irq", "")) {
+ plog_err("Core %u task %u is not in irq mode\n", lcore_id, task_id);
+ } else {
+ struct task_irq *task_irq = (struct task_irq *)(lcore_cfg[lcore_id].tasks_all[task_id]);
+
+ task_irq_show_stats(task_irq, input);
+ }
+ }
+ }
+ return 0;
+}
+
+static void task_lat_show_latency_histogram(uint8_t lcore_id, uint8_t task_id, struct input *input)
+{
+#ifdef LATENCY_HISTOGRAM
+ uint64_t *buckets;
+
+ stats_core_lat_histogram(lcore_id, task_id, &buckets);
+
+ if (buckets == NULL)
+ return;
+
+ if (input->reply) {
+ char buf[4096] = {0};
+ for (size_t i = 0; i < 128; i++)
+ sprintf(buf+strlen(buf), "Bucket [%zu]: %"PRIu64"\n", i, buckets[i]);
+ input->reply(input, buf, strlen(buf));
+ }
+ else {
+ for (size_t i = 0; i < 128; i++)
+ if (buckets[i])
+ plog_info("Bucket [%zu]: %"PRIu64"\n", i, buckets[i]);
+ }
+#else
+ plog_info("LATENCY_DETAILS disabled\n");
+#endif
+}
+
+static int parse_cmd_lat_packets(const char *str, struct input *input)
+{
+ unsigned lcores[RTE_MAX_LCORE], lcore_id, task_id, nb_cores;
+
+ if (parse_core_task(str, lcores, &task_id, &nb_cores))
+ return -1;
+
+ if (cores_task_are_valid(lcores, task_id, nb_cores)) {
+ for (unsigned int i = 0; i < nb_cores; i++) {
+ lcore_id = lcores[i];
+ if (!task_is_mode(lcore_id, task_id, "lat", "")) {
+ plog_err("Core %u task %u is not measuring latency\n", lcore_id, task_id);
+ }
+ else {
+ task_lat_show_latency_histogram(lcore_id, task_id, input);
+ }
+ }
+ }
+ return 0;
+}
+
+static int parse_cmd_cgnat_public_hash(const char *str, struct input *input)
+{
+ unsigned lcores[RTE_MAX_LCORE], lcore_id, task_id, nb_cores;
+
+ if (parse_core_task(str, lcores, &task_id, &nb_cores))
+ return -1;
+
+ if (cores_task_are_valid(lcores, task_id, nb_cores)) {
+ for (unsigned int i = 0; i < nb_cores; i++) {
+ lcore_id = lcores[i];
+
+ if (!task_is_mode(lcore_id, task_id, "cgnat", "")) {
+ plog_err("Core %u task %u is not cgnat\n", lcore_id, task_id);
+ }
+ else {
+ struct task_base *tbase = lcore_cfg[lcore_id].tasks_all[task_id];
+ task_cgnat_dump_public_hash((struct task_nat *)tbase);
+ }
+ }
+ }
+ return 0;
+}
+
+static int parse_cmd_cgnat_private_hash(const char *str, struct input *input)
+{
+ unsigned lcores[RTE_MAX_LCORE], lcore_id, task_id, nb_cores;
+ uint32_t val;
+
+ if (parse_core_task(str, lcores, &task_id, &nb_cores))
+ return -1;
+
+ if (cores_task_are_valid(lcores, task_id, nb_cores)) {
+ for (unsigned int i = 0; i < nb_cores; i++) {
+ lcore_id = lcores[i];
+
+ if (!task_is_mode(lcore_id, task_id, "cgnat", "")) {
+ plog_err("Core %u task %u is not cgnat\n", lcore_id, task_id);
+ }
+ else {
+ struct task_base *tbase = lcore_cfg[lcore_id].tasks_all[task_id];
+ task_cgnat_dump_private_hash((struct task_nat *)tbase);
+ }
+ }
+ }
+ return 0;
+}
+
+static int parse_cmd_accuracy(const char *str, struct input *input)
+{
+ unsigned lcores[RTE_MAX_LCORE], lcore_id, task_id, nb_cores;
+ uint32_t val;
+
+ if (parse_core_task(str, lcores, &task_id, &nb_cores))
+ return -1;
+ if (!(str = strchr_skip_twice(str, ' ')))
+ return -1;
+ if (sscanf(str, "%"PRIu32"", &val) != 1)
+ return -1;
+
+ if (cores_task_are_valid(lcores, task_id, nb_cores)) {
+ for (unsigned int i = 0; i < nb_cores; i++) {
+ lcore_id = lcores[i];
+
+ if (!task_is_mode(lcore_id, task_id, "lat", "")) {
+ plog_err("Core %u task %u is not measuring latency\n", lcore_id, task_id);
+ }
+ else {
+ struct task_base *tbase = lcore_cfg[lcore_id].tasks_all[task_id];
+
+ task_lat_set_accuracy_limit((struct task_lat *)tbase, val);
+ }
+ }
+ }
+ return 0;
+}
+
+static int parse_cmd_rx_tx_info(const char *str, struct input *input)
+{
+ if (strcmp(str, "") != 0) {
+ return -1;
+ }
+
+ cmd_rx_tx_info();
+ return 0;
+}
+
+static int parse_cmd_version(const char *str, struct input *input)
+{
+ if (strcmp(str, "") != 0) {
+ return -1;
+ }
+
+ if (input->reply) {
+ uint64_t version =
+ ((uint64_t)VERSION_MAJOR) << 24 |
+ ((uint64_t)VERSION_MINOR) << 16 |
+ ((uint64_t)VERSION_REV) << 8;
+
+ char buf[128];
+ snprintf(buf, sizeof(buf), "%"PRIu64",%"PRIu64"\n", version, (uint64_t)RTE_VERSION);
+ input->reply(input, buf, strlen(buf));
+ }
+ else {
+ plog_info("prox version: %d.%d, DPDK version: %s\n",
+ VERSION_MAJOR, VERSION_MINOR,
+ rte_version() + sizeof(RTE_VER_PREFIX));
+ }
+ return 0;
+}
+
+struct cmd_str {
+ const char *cmd;
+ const char *args;
+ const char *help;
+ int (*parse)(const char *args, struct input *input);
+};
+
+static int parse_cmd_help(const char *str, struct input *input);
+
+static struct cmd_str cmd_strings[] = {
+ {"history", "", "Print command history", parse_cmd_history},
+ {"echo", "", "echo parameter, useful to resolving variables", parse_cmd_echo},
+ {"quit", "", "Stop all cores and quit", parse_cmd_quit},
+ {"quit_force", "", "Quit without waiting on cores to stop", parse_cmd_quit_force},
+ {"help", "<substr>", "Show list of commands that have <substr> as a substring. If no substring is provided, all commands are shown.", parse_cmd_help},
+ {"verbose", "<level>", "Set verbosity level", parse_cmd_verbose},
+ {"thread info", "<core_id> <task_id>", "", parse_cmd_thread_info},
+ {"mem info", "", "Show information about system memory (number of huge pages and addresses of these huge pages)", parse_cmd_mem_info},
+ {"update interval", "<value>", "Update statistics refresh rate, in msec (must be >=10). Default is 1 second", parse_cmd_update_interval},
+ {"rx tx info", "", "Print connections between tasks on all cores", parse_cmd_rx_tx_info},
+ {"start", "<core list>|all <task_id>", "Start core <core_id> or all cores", parse_cmd_start},
+ {"stop", "<core list>|all <task_id>", "Stop core <core id> or all cores", parse_cmd_stop},
+
+ {"dump", "<core id> <task id> <nb packets>", "Create a hex dump of <nb_packets> from <task_id> on <core_id> showing how packets have changed between RX and TX.", parse_cmd_trace},
+ {"dump_rx", "<core id> <task id> <nb packets>", "Create a hex dump of <nb_packets> from <task_id> on <core_id> at RX", parse_cmd_dump_rx},
+ {"dump_tx", "<core id> <task id> <nb packets>", "Create a hex dump of <nb_packets> from <task_id> on <core_id> at TX", parse_cmd_dump_tx},
+ {"rx distr start", "", "Start gathering statistical distribution of received packets", parse_cmd_rx_distr_start},
+ {"rx distr stop", "", "Stop gathering statistical distribution of received packets", parse_cmd_rx_distr_stop},
+ {"rx distr reset", "", "Reset gathered statistical distribution of received packets", parse_cmd_rx_distr_reset},
+ {"rx distr show", "", "Display gathered statistical distribution of received packets", parse_cmd_rx_distr_show},
+ {"tx distr start", "", "Start gathering statistical distribution of xmitted packets", parse_cmd_tx_distr_start},
+ {"tx distr stop", "", "Stop gathering statistical distribution of xmitted packets", parse_cmd_tx_distr_stop},
+ {"tx distr reset", "", "Reset gathered statistical distribution of xmitted packets", parse_cmd_tx_distr_reset},
+ {"tx distr show", "", "Display gathered statistical distribution of xmitted packets", parse_cmd_tx_distr_show},
+
+ {"rate", "<port id> <queue id> <rate>", "rate does not include preamble, SFD and IFG", parse_cmd_rate},
+ {"count","<core id> <task id> <count>", "Generate <count> packets", parse_cmd_count},
+ {"bypass", "<core_id> <task_id>", "Bypass task", parse_cmd_bypass},
+ {"reconnect", "<core_id> <task_id>", "Reconnect task", parse_cmd_reconnect},
+ {"pkt_size", "<core_id> <task_id> <pkt_size>", "Set the packet size to <pkt_size>", parse_cmd_pkt_size},
+ {"speed", "<core_id> <task_id> <speed percentage>", "Change the speed to <speed percentage> at which packets are being generated on core <core_id> in task <task_id>.", parse_cmd_speed},
+ {"speed_byte", "<core_id> <task_id> <speed>", "Change speed to <speed>. The speed is specified in units of bytes per second.", parse_cmd_speed_byte},
+ {"set value", "<core_id> <task_id> <offset> <value> <value_len>", "Set <value_len> bytes to <value> at offset <offset> in packets generated on <core_id> <task_id>", parse_cmd_set_value},
+ {"set random", "<core_id> <task_id> <offset> <random_str> <value_len>", "Set <value_len> bytes to <rand_str> at offset <offset> in packets generated on <core_id> <task_id>", parse_cmd_set_random},
+ {"reset values all", "", "Undo all \"set value\" commands on all cores/tasks", parse_cmd_reset_values_all},
+ {"reset randoms all", "", "Undo all \"set random\" commands on all cores/tasks", parse_cmd_reset_randoms_all},
+ {"reset values", "<core id> <task id>", "Undo all \"set value\" commands on specified core/task", parse_cmd_reset_values},
+
+ {"arp add", "<core id> <task id> <port id> <gre id> <svlan> <cvlan> <ip addr> <mac addr> <user>", "Add a single ARP entry into a CPE table on <core id>/<task id>.", parse_cmd_arp_add},
+ {"rule add", "<core id> <task id> svlan_id&mask cvlan_id&mask ip_proto&mask source_ip/prefix destination_ip/prefix range dport_range action", "Add a rule to the ACL table on <core id>/<task id>", parse_cmd_rule_add},
+ {"route add", "<core id> <task id> <ip/prefix> <next hop id>", "Add a route to the routing table on core <core id> <task id>. Example: route add 10.0.16.0/24 9", parse_cmd_route_add},
+ {"gateway ip", "<core id> <task id> <ip>", "Define/Change IP address of destination gateway on core <core id> <task id>.", parse_cmd_gateway_ip},
+ {"local ip", "<core id> <task id> <ip>", "Define/Change IP address of destination gateway on core <core id> <task id>.", parse_cmd_local_ip},
+
+ {"pps unit", "", "Change core stats pps unit", parse_cmd_pps_unit},
+ {"reset stats", "", "Reset all statistics", parse_cmd_reset_stats},
+ {"reset lat stats", "", "Reset all latency statistics", parse_cmd_reset_lat_stats},
+ {"tot stats", "", "Print total RX and TX packets", parse_cmd_tot_stats},
+ {"tot ierrors tot", "", "Print total number of ierrors since reset", parse_cmd_tot_ierrors_tot},
+ {"tot imissed tot", "", "Print total number of imissed since reset", parse_cmd_tot_imissed_tot},
+ {"lat stats", "<core id> <task id>", "Print min,max,avg latency as measured during last sampling interval", parse_cmd_lat_stats},
+ {"irq stats", "<core id> <task id>", "Print irq related infos", parse_cmd_irq},
+ {"lat packets", "<core id> <task id>", "Print the latency for each of the last set of packets", parse_cmd_lat_packets},
+ {"accuracy limit", "<core id> <task id> <nsec>", "Only consider latency of packets that were measured with an error no more than <nsec>", parse_cmd_accuracy},
+ {"core stats", "<core id> <task id>", "Print rx/tx/drop for task <task id> running on core <core id>", parse_cmd_core_stats},
+ {"port_stats", "<port id>", "Print rate for no_mbufs, ierrors + imissed, rx_bytes, tx_bytes, rx_pkts, tx_pkts; totals for RX, TX, no_mbufs, ierrors + imissed for port <port id>", parse_cmd_port_stats},
+ {"read reg", "", "Read register", parse_cmd_read_reg},
+ {"write reg", "", "Read register", parse_cmd_write_reg},
+ {"set vlan offload", "", "Set Vlan offload", parse_cmd_set_vlan_offload},
+ {"set vlan filter", "", "Set Vlan filter", parse_cmd_set_vlan_filter},
+ {"reset cache", "", "Reset cache", parse_cmd_cache_reset},
+ {"set cache class mask", "<core id> <class> <mask>", "Set cache class mask for <core id>", parse_cmd_set_cache_class_mask},
+ {"get cache class mask", "<core id> <class>", "Get cache class mask", parse_cmd_get_cache_class_mask},
+ {"set cache class", "<core id> <class>", "Set cache class", parse_cmd_set_cache_class},
+ {"get cache class", "<core id>", "Get cache class", parse_cmd_get_cache_class},
+ {"get cache mask", "<core id>", "Get cache mask", parse_cmd_get_cache_mask},
+ {"reset port", "", "Reset port", parse_cmd_reset_port},
+ {"ring info all", "", "Get information about ring, such as ring size and number of elements in the ring", parse_cmd_ring_info_all},
+ {"ring info", "<core id> <task id>", "Get information about ring on core <core id> in task <task id>, such as ring size and number of elements in the ring", parse_cmd_ring_info},
+ {"port info", "<port id> [brief?]", "Get port related information, such as MAC address, socket, number of descriptors..., . Adding \"brief\" after command prints short version of output.", parse_cmd_port_info},
+ {"port up", "<port id>", "Set the port up", parse_cmd_port_up},
+ {"port down", "<port id>", "Set the port down", parse_cmd_port_down},
+ {"port link state", "<port id>", "Get link state (up or down) for port", parse_cmd_port_link_state},
+ {"port xstats", "<port id>", "Get extra statistics for the port", parse_cmd_xstats},
+ {"stats", "<stats_path>", "Get stats as sepcified by <stats_path>. A comma-separated list of <stats_path> can be supplied", parse_cmd_stats},
+ {"cgnat dump public hash", "<core id> <task id>", "Dump cgnat public hash table", parse_cmd_cgnat_public_hash},
+ {"cgnat dump private hash", "<core id> <task id>", "Dump cgnat private hash table", parse_cmd_cgnat_private_hash},
+ {"delay_us", "<core_id> <task_id> <delay_us>", "Set the delay in usec for the impair mode to <delay_us>", parse_cmd_delay_us},
+ {"random delay_us", "<core_id> <task_id> <random delay_us>", "Set the delay in usec for the impair mode to <random delay_us>", parse_cmd_random_delay_us},
+ {"probability", "<core_id> <task_id> <probability>", "Set the percent of forwarded packets for the impair mode", parse_cmd_set_probability},
+ {"version", "", "Show version", parse_cmd_version},
+ {0,0,0,0},
+};
+
+static int parse_cmd_help(const char *str, struct input *input)
+{
+ /* str contains the arguments, all commands that have str as a
+ substring will be shown. */
+ size_t len, len2, longest_cmd = 0;
+ for (size_t i = 0; i < cmd_parser_n_cmd(); ++i) {
+ if (longest_cmd <strlen(cmd_strings[i].cmd))
+ longest_cmd = strlen(cmd_strings[i].cmd);
+ }
+ /* A single call to log will be executed after the help string
+ has been built. The reason for this is to make use of the
+ built-in pager. */
+ char buf[32768] = {0};
+
+ for (size_t i = 0; i < cmd_parser_n_cmd(); ++i) {
+ int is_substr = 0;
+ const size_t cmd_len = strlen(cmd_strings[i].cmd);
+ for (size_t j = 0; j < cmd_len; ++j) {
+ is_substr = 1;
+ for (size_t k = 0; k < strlen(str); ++k) {
+ if (str[k] != (cmd_strings[i].cmd + j)[k]) {
+ is_substr = 0;
+ break;
+ }
+ }
+ if (is_substr)
+ break;
+ }
+ if (!is_substr)
+ continue;
+
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%s", cmd_strings[i].cmd);
+ len = strlen(cmd_strings[i].cmd);
+ while (len < longest_cmd) {
+ len++;
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " ");
+ }
+
+ if (strlen(cmd_strings[i].args)) {
+ char tmp[256] = {0};
+ strncpy(tmp, cmd_strings[i].args, 128);
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "Arguments: %s\n", tmp);
+ len2 = len;
+ if (strlen(cmd_strings[i].help)) {
+ while (len2) {
+ len2--;
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " ");
+ }
+ }
+ }
+
+ if (strlen(cmd_strings[i].help)) {
+ int add = 0;
+ const char *h = cmd_strings[i].help;
+ do {
+ if (add) {
+ len2 = len;
+ while (len2) {
+ len2--;
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " ");
+ }
+ }
+ char tmp[128] = {0};
+ const size_t max_len = strlen(h) > 80? 80 : strlen(h);
+ size_t len3 = max_len;
+ if (len3 == 80) {
+ while (len3 && h[len3] != ' ')
+ len3--;
+ if (len3 == 0)
+ len3 = max_len;
+ }
+
+ strncpy(tmp, h, len3);
+ h += len3;
+ while (h[0] == ' ' && strlen(h))
+ h++;
+
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%s\n", tmp);
+ add = 1;
+ } while(strlen(h));
+ }
+ if (strlen(cmd_strings[i].help) == 0&& strlen(cmd_strings[i].args) == 0) {
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "\n");
+ }
+ }
+ plog_info("%s", buf);
+
+ return 0;
+}
+
+const char *cmd_parser_cmd(size_t i)
+{
+ i = i < cmd_parser_n_cmd()? i: cmd_parser_n_cmd();
+ return cmd_strings[i].cmd;
+}
+
+size_t cmd_parser_n_cmd(void)
+{
+ return sizeof(cmd_strings)/sizeof(cmd_strings[0]) - 1;
+}
+
+void cmd_parser_parse(const char *str, struct input *input)
+{
+ size_t skip;
+
+ for (size_t i = 0; i < cmd_parser_n_cmd(); ++i) {
+ skip = strlen(cmd_strings[i].cmd);
+ if (strncmp(cmd_strings[i].cmd, str, skip) == 0 &&
+ (str[skip] == ' ' || str[skip] == 0)) {
+ while (str[skip] == ' ')
+ skip++;
+
+ if (cmd_strings[i].parse(str + skip, input) != 0) {
+ plog_warn("Invalid syntax for command '%s': %s %s\n",
+ cmd_strings[i].cmd, cmd_strings[i].args, cmd_strings[i].help);
+ }
+ return ;
+ }
+ }
+
+ plog_err("Unknown command: '%s'\n", str);
+}