2 // Copyright (c) 2010-2017 Intel Corporation
4 // Licensed under the Apache License, Version 2.0 (the "License");
5 // you may not use this file except in compliance with the License.
6 // You may obtain a copy of the License at
8 // http://www.apache.org/licenses/LICENSE-2.0
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an "AS IS" BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
20 #include <rte_launch.h>
21 #include <rte_cycles.h>
22 #include <rte_atomic.h>
26 #include "prox_port_cfg.h"
33 #include "stats_cons.h"
34 #include "stats_cons_log.h"
35 #include "stats_cons_cli.h"
38 #include "input_curses.h"
39 #include "input_conn.h"
40 #include "handle_master.h"
42 static int needs_refresh;
43 static uint64_t update_interval;
44 static int stop_prox = 0; /* set to 1 to stop prox */
46 void set_update_interval(uint32_t msec)
48 update_interval = msec_to_tsc(msec);
51 void req_refresh(void)
58 static rte_atomic32_t already_leaving = RTE_ATOMIC32_INIT(0);
59 if (!rte_atomic32_test_and_set(&already_leaving))
62 plog_info("Leaving...\n");
63 if (lcore_cfg == NULL)
69 static void update_link_states(void)
71 struct prox_port_cfg *port_cfg;
72 struct rte_eth_link link;
74 for (uint8_t portid = 0; portid < PROX_MAX_PORTS; ++portid) {
75 if (!prox_port_cfg[portid].active) {
79 port_cfg = &prox_port_cfg[portid];
80 rte_eth_link_get_nowait(portid, &link);
81 #if RTE_VERSION < RTE_VERSION_NUM(16,4,0,0)
82 // On more recent DPDK, we use the speed_capa of the port, and not the negotiated speed
83 port_cfg->link_speed = link.link_speed;
85 if (port_cfg->link_up != link.link_status) {
86 port_cfg->link_up = link.link_status;
87 plog_info("port %d: Link speed now %d Mbps\n", portid, link.link_speed);
92 static struct stats_cons stats_cons[8];
93 static size_t n_stats_cons = 0;
94 static uint16_t stats_cons_flags = 0;
96 static void stats_cons_add(struct stats_cons *sc)
98 if (n_stats_cons == sizeof(stats_cons)/sizeof(stats_cons[0]))
101 stats_cons[n_stats_cons++] = *sc;
103 stats_cons_flags |= sc->flags;
106 static void stats_cons_notify(void)
108 for (size_t i = 0; i < n_stats_cons; ++i) {
109 stats_cons[i].notify();
113 static void stats_cons_refresh(void)
115 for (size_t i = 0; i < n_stats_cons; ++i) {
116 if (stats_cons[i].refresh)
117 stats_cons[i].refresh();
121 static void stats_cons_finish(void)
123 for (size_t i = 0; i < n_stats_cons; ++i) {
124 if (stats_cons[i].finish)
125 stats_cons[i].finish();
129 static void busy_wait_until(uint64_t deadline)
131 while (rte_rdtsc() < deadline)
135 static void multiplexed_input_stats(uint64_t deadline)
138 input_proc_until(deadline);
144 stats_cons_refresh();
147 if (rte_atomic32_read(&lsc)) {
148 rte_atomic32_dec(&lsc);
149 update_link_states();
150 stats_cons_refresh();
154 static void print_warnings(void)
156 if (get_n_warnings() == -1) {
157 plog_info("Warnings disabled\n");
159 else if (get_n_warnings() > 0) {
160 int n_print = get_n_warnings() < 5? get_n_warnings(): 5;
161 plog_info("Started with %d warnings, last %d warnings: \n", get_n_warnings(), n_print);
162 for (int i = -n_print + 1; i <= 0; ++i) {
163 plog_info("%s", get_warning(i));
167 plog_info("Started without warnings\n");
171 /* start main loop */
172 void __attribute__((noreturn)) run(uint32_t flags)
175 uint64_t next_update;
176 uint64_t stop_tsc = 0;
178 const uint64_t update_interval_threshold = usec_to_tsc(1);
180 if (flags & DSF_LISTEN_TCP)
181 PROX_PANIC(reg_input_tcp(), "Failed to start listening on TCP port 8474: %s\n", strerror(errno));
182 if (flags & DSF_LISTEN_UDS)
183 PROX_PANIC(reg_input_uds(), "Failed to start listening on UDS /tmp/prox.sock: %s\n", strerror(errno));
185 if (prox_cfg.use_stats_logger)
186 stats_cons_add(stats_cons_log_get());
188 stats_init(prox_cfg.start_time, prox_cfg.duration_time);
189 stats_update(STATS_CONS_F_ALL);
191 switch (prox_cfg.ui) {
194 stats_cons_add(&display);
197 stats_cons_add(stats_cons_cli_get());
204 if (flags & DSF_AUTOSTART)
209 cur_tsc = rte_rdtsc();
210 if (prox_cfg.duration_time != 0) {
211 stop_tsc = cur_tsc + sec_to_tsc(prox_cfg.start_time + prox_cfg.duration_time);
215 stats_cons_refresh();
217 update_interval = str_to_tsc(prox_cfg.update_interval_str);
218 next_update = cur_tsc + update_interval;
223 struct task_master *task = (struct task_master *)lcore_cfg[prox_cfg.master].tasks_all[0];
224 if (handle_ctrl_plane) {
225 while (stop_prox == 0) {
227 // Run ctrl plane for max 10 msec to let screen and keyboard updates
228 if (prox_cfg.flags & DSF_CTRL_PLANE_ENABLED) {
229 uint64_t ctrl_plane_update = rte_rdtsc() + msec_to_tsc(10);
230 while ((ret) && (rte_rdtsc() < ctrl_plane_update))
231 ret = handle_ctrl_plane(lcore_cfg[prox_cfg.master].tasks_all[0], NULL, 0);
233 multiplexed_input_stats(0);
234 if (rte_rdtsc() < next_update)
236 next_update += update_interval;
237 stats_update(stats_cons_flags);
240 if (stop_tsc && rte_rdtsc() >= stop_tsc) {
245 while (stop_prox == 0) {
247 if (update_interval < update_interval_threshold)
248 busy_wait_until(next_update);
250 multiplexed_input_stats(next_update);
252 next_update += update_interval;
254 stats_update(stats_cons_flags);
257 if (stop_tsc && rte_rdtsc() >= stop_tsc) {
265 if (prox_cfg.flags & DSF_WAIT_ON_QUIT) {
269 if (prox_cfg.logbuf) {
270 file_print(prox_cfg.logbuf);