| 1 | /* |
| 2 | * Copyright 2017 Philippe Proulx <pproulx@efficios.com> |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 5 | * of this software and associated documentation files (the "Software"), to deal |
| 6 | * in the Software without restriction, including without limitation the rights |
| 7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 8 | * copies of the Software, and to permit persons to whom the Software is |
| 9 | * furnished to do so, subject to the following conditions: |
| 10 | * |
| 11 | * The above copyright notice and this permission notice shall be included in |
| 12 | * all copies or substantial portions of the Software. |
| 13 | * |
| 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 20 | * SOFTWARE. |
| 21 | */ |
| 22 | |
| 23 | #include <babeltrace/babeltrace.h> |
| 24 | #include <babeltrace/babeltrace-internal.h> |
| 25 | #include <babeltrace/common-internal.h> |
| 26 | #include <plugins-common.h> |
| 27 | #include <babeltrace/assert-internal.h> |
| 28 | #include <inttypes.h> |
| 29 | #include <stdint.h> |
| 30 | |
| 31 | #include "counter.h" |
| 32 | |
| 33 | #define PRINTF_COUNT(_what_sing, _what_plur, _var, args...) \ |
| 34 | do { \ |
| 35 | if (counter->count._var != 0 || !counter->hide_zero) { \ |
| 36 | printf("%15" PRIu64 " %s\n", \ |
| 37 | counter->count._var, \ |
| 38 | counter->count._var == 1 ? _what_sing : _what_plur); \ |
| 39 | } \ |
| 40 | } while (0) |
| 41 | |
| 42 | static |
| 43 | uint64_t get_total_count(struct counter *counter) |
| 44 | { |
| 45 | return counter->count.event + |
| 46 | counter->count.stream_begin + |
| 47 | counter->count.stream_end + |
| 48 | counter->count.packet_begin + |
| 49 | counter->count.packet_end + |
| 50 | counter->count.inactivity + |
| 51 | counter->count.other; |
| 52 | } |
| 53 | |
| 54 | static |
| 55 | void print_count(struct counter *counter) |
| 56 | { |
| 57 | uint64_t total = get_total_count(counter); |
| 58 | |
| 59 | PRINTF_COUNT("event", "events", event); |
| 60 | PRINTF_COUNT("stream beginning", "stream beginnings", stream_begin); |
| 61 | PRINTF_COUNT("stream end", "stream ends", stream_end); |
| 62 | PRINTF_COUNT("packet beginning", "packet beginnings", packet_begin); |
| 63 | PRINTF_COUNT("packet end", "packet ends", packet_end); |
| 64 | PRINTF_COUNT("inactivity", "inactivities", inactivity); |
| 65 | |
| 66 | if (counter->count.other > 0) { |
| 67 | PRINTF_COUNT(" other (unknown) notification", |
| 68 | " other (unknown) notifications", other); |
| 69 | } |
| 70 | |
| 71 | printf("%s%15" PRIu64 " notification%s (TOTAL)%s\n", |
| 72 | bt_common_color_bold(), total, total == 1 ? "" : "s", |
| 73 | bt_common_color_reset()); |
| 74 | counter->last_printed_total = total; |
| 75 | } |
| 76 | |
| 77 | static |
| 78 | void try_print_count(struct counter *counter, uint64_t notif_count) |
| 79 | { |
| 80 | if (counter->step == 0) { |
| 81 | /* No update */ |
| 82 | return; |
| 83 | } |
| 84 | |
| 85 | counter->at += notif_count; |
| 86 | |
| 87 | if (counter->at >= counter->step) { |
| 88 | counter->at = 0; |
| 89 | print_count(counter); |
| 90 | putchar('\n'); |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | static |
| 95 | void try_print_last(struct counter *counter) |
| 96 | { |
| 97 | const uint64_t total = get_total_count(counter); |
| 98 | |
| 99 | if (total != counter->last_printed_total) { |
| 100 | print_count(counter); |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | void destroy_private_counter_data(struct counter *counter) |
| 105 | { |
| 106 | bt_object_put_ref(counter->notif_iter); |
| 107 | g_free(counter); |
| 108 | } |
| 109 | |
| 110 | void counter_finalize(struct bt_private_component *component) |
| 111 | { |
| 112 | struct counter *counter; |
| 113 | |
| 114 | BT_ASSERT(component); |
| 115 | counter = bt_private_component_get_user_data(component); |
| 116 | BT_ASSERT(counter); |
| 117 | try_print_last(counter); |
| 118 | bt_object_put_ref(counter->notif_iter); |
| 119 | g_free(counter); |
| 120 | } |
| 121 | |
| 122 | enum bt_component_status counter_init(struct bt_private_component *component, |
| 123 | struct bt_value *params, UNUSED_VAR void *init_method_data) |
| 124 | { |
| 125 | enum bt_component_status ret; |
| 126 | struct counter *counter = g_new0(struct counter, 1); |
| 127 | struct bt_value *step = NULL; |
| 128 | struct bt_value *hide_zero = NULL; |
| 129 | |
| 130 | if (!counter) { |
| 131 | ret = BT_COMPONENT_STATUS_NOMEM; |
| 132 | goto end; |
| 133 | } |
| 134 | |
| 135 | ret = bt_private_component_sink_add_input_private_port(component, |
| 136 | "in", NULL, NULL); |
| 137 | if (ret != BT_COMPONENT_STATUS_OK) { |
| 138 | goto end; |
| 139 | } |
| 140 | |
| 141 | counter->last_printed_total = -1ULL; |
| 142 | counter->step = 1000; |
| 143 | step = bt_value_map_borrow_entry_value(params, "step"); |
| 144 | if (step && bt_value_is_integer(step)) { |
| 145 | int64_t val; |
| 146 | |
| 147 | (void) bt_value_integer_get(step, &val); |
| 148 | |
| 149 | if (val >= 0) { |
| 150 | counter->step = (uint64_t) val; |
| 151 | } |
| 152 | } |
| 153 | |
| 154 | hide_zero = bt_value_map_borrow_entry_value(params, "hide-zero"); |
| 155 | if (hide_zero && bt_value_is_bool(hide_zero)) { |
| 156 | bt_bool val; |
| 157 | |
| 158 | (void) bt_value_bool_get(hide_zero, &val); |
| 159 | counter->hide_zero = (bool) val; |
| 160 | } |
| 161 | |
| 162 | ret = bt_private_component_set_user_data(component, counter); |
| 163 | if (ret != BT_COMPONENT_STATUS_OK) { |
| 164 | goto error; |
| 165 | } |
| 166 | |
| 167 | goto end; |
| 168 | |
| 169 | error: |
| 170 | destroy_private_counter_data(counter); |
| 171 | |
| 172 | end: |
| 173 | return ret; |
| 174 | } |
| 175 | |
| 176 | enum bt_component_status counter_port_connected( |
| 177 | struct bt_private_component *component, |
| 178 | struct bt_private_port *self_port, |
| 179 | struct bt_port *other_port) |
| 180 | { |
| 181 | enum bt_component_status status = BT_COMPONENT_STATUS_OK; |
| 182 | struct counter *counter; |
| 183 | struct bt_notification_iterator *iterator; |
| 184 | struct bt_private_connection *connection; |
| 185 | enum bt_connection_status conn_status; |
| 186 | |
| 187 | counter = bt_private_component_get_user_data(component); |
| 188 | BT_ASSERT(counter); |
| 189 | connection = bt_private_port_get_private_connection(self_port); |
| 190 | BT_ASSERT(connection); |
| 191 | conn_status = bt_private_connection_create_notification_iterator( |
| 192 | connection, &iterator); |
| 193 | if (conn_status != BT_CONNECTION_STATUS_OK) { |
| 194 | status = BT_COMPONENT_STATUS_ERROR; |
| 195 | goto end; |
| 196 | } |
| 197 | |
| 198 | BT_OBJECT_MOVE_REF(counter->notif_iter, iterator); |
| 199 | |
| 200 | end: |
| 201 | bt_object_put_ref(connection); |
| 202 | return status; |
| 203 | } |
| 204 | |
| 205 | enum bt_component_status counter_consume(struct bt_private_component *component) |
| 206 | { |
| 207 | enum bt_component_status ret = BT_COMPONENT_STATUS_OK; |
| 208 | struct counter *counter; |
| 209 | enum bt_notification_iterator_status it_ret; |
| 210 | uint64_t notif_count; |
| 211 | bt_notification_array notifs; |
| 212 | |
| 213 | counter = bt_private_component_get_user_data(component); |
| 214 | BT_ASSERT(counter); |
| 215 | |
| 216 | if (unlikely(!counter->notif_iter)) { |
| 217 | try_print_last(counter); |
| 218 | ret = BT_COMPONENT_STATUS_END; |
| 219 | goto end; |
| 220 | } |
| 221 | |
| 222 | /* Consume notifications */ |
| 223 | it_ret = bt_private_connection_notification_iterator_next( |
| 224 | counter->notif_iter, ¬ifs, ¬if_count); |
| 225 | if (it_ret < 0) { |
| 226 | ret = BT_COMPONENT_STATUS_ERROR; |
| 227 | goto end; |
| 228 | } |
| 229 | |
| 230 | switch (it_ret) { |
| 231 | case BT_NOTIFICATION_ITERATOR_STATUS_AGAIN: |
| 232 | ret = BT_COMPONENT_STATUS_AGAIN; |
| 233 | goto end; |
| 234 | case BT_NOTIFICATION_ITERATOR_STATUS_END: |
| 235 | try_print_last(counter); |
| 236 | ret = BT_COMPONENT_STATUS_END; |
| 237 | goto end; |
| 238 | case BT_NOTIFICATION_ITERATOR_STATUS_OK: |
| 239 | { |
| 240 | uint64_t i; |
| 241 | |
| 242 | for (i = 0; i < notif_count; i++) { |
| 243 | struct bt_notification *notif = notifs[i]; |
| 244 | |
| 245 | BT_ASSERT(notif); |
| 246 | switch (bt_notification_get_type(notif)) { |
| 247 | case BT_NOTIFICATION_TYPE_EVENT: |
| 248 | counter->count.event++; |
| 249 | break; |
| 250 | case BT_NOTIFICATION_TYPE_INACTIVITY: |
| 251 | counter->count.inactivity++; |
| 252 | break; |
| 253 | case BT_NOTIFICATION_TYPE_STREAM_BEGIN: |
| 254 | counter->count.stream_begin++; |
| 255 | break; |
| 256 | case BT_NOTIFICATION_TYPE_STREAM_END: |
| 257 | counter->count.stream_end++; |
| 258 | break; |
| 259 | case BT_NOTIFICATION_TYPE_PACKET_BEGIN: |
| 260 | counter->count.packet_begin++; |
| 261 | break; |
| 262 | case BT_NOTIFICATION_TYPE_PACKET_END: |
| 263 | counter->count.packet_end++; |
| 264 | break; |
| 265 | default: |
| 266 | counter->count.other++; |
| 267 | } |
| 268 | |
| 269 | bt_object_put_ref(notif); |
| 270 | } |
| 271 | } |
| 272 | default: |
| 273 | break; |
| 274 | } |
| 275 | |
| 276 | try_print_count(counter, notif_count); |
| 277 | |
| 278 | end: |
| 279 | return ret; |
| 280 | } |