diff options
Diffstat (limited to 'src/vcl/sock_test.h')
| -rw-r--r-- | src/vcl/sock_test.h | 415 |
1 files changed, 415 insertions, 0 deletions
diff --git a/src/vcl/sock_test.h b/src/vcl/sock_test.h new file mode 100644 index 00000000000..281ba6fd473 --- /dev/null +++ b/src/vcl/sock_test.h @@ -0,0 +1,415 @@ +/* + * Copyright (c) 2017 Cisco and/or its affiliates. + * 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. + */ + +#ifndef __sock_test_h__ +#define __sock_test_h__ + +#include <netdb.h> +#include <errno.h> +#include <stdlib.h> +#include <string.h> + +#define SOCK_TEST_TOKEN_HELP "#H" +#define SOCK_TEST_TOKEN_EXIT "#X" +#define SOCK_TEST_TOKEN_VERBOSE "#V" +#define SOCK_TEST_TOKEN_TXBUF_SIZE "#T:" +#define SOCK_TEST_TOKEN_NUM_TEST_SCKTS "#I:" +#define SOCK_TEST_TOKEN_NUM_WRITES "#N:" +#define SOCK_TEST_TOKEN_RXBUF_SIZE "#R:" +#define SOCK_TEST_TOKEN_SHOW_CFG "#C" +#define SOCK_TEST_TOKEN_RUN_UNI "#U" +#define SOCK_TEST_TOKEN_RUN_BI "#B" + +#define SOCK_TEST_BANNER_STRING \ + "============================================\n" +#define SOCK_TEST_SEPARATOR_STRING \ + " -----------------------------\n" + +#define ONE_GIG (1024*1024*1024) +#define SOCK_TEST_SERVER_PORT 22000 +#define SOCK_TEST_LOCALHOST_IPADDR "127.0.0.1" + +#define SOCK_TEST_CFG_CTRL_MAGIC 0xfeedface +#define SOCK_TEST_CFG_NUM_WRITES_DEF 1000000 +#define SOCK_TEST_CFG_TXBUF_SIZE_DEF 8192 +#define SOCK_TEST_CFG_RXBUF_SIZE_DEF (64*SOCK_TEST_CFG_TXBUF_SIZE_DEF) +#define SOCK_TEST_CFG_BUF_SIZE_MIN 128 +#define SOCK_TEST_CFG_MAX_TEST_SCKTS 5 + +typedef enum +{ + SOCK_TEST_TYPE_NONE, + SOCK_TEST_TYPE_ECHO, + SOCK_TEST_TYPE_UNI, + SOCK_TEST_TYPE_BI, + SOCK_TEST_TYPE_EXIT, +} sock_test_t; + +typedef struct __attribute__ ((packed)) +{ + uint32_t magic; + uint32_t test; + uint32_t ctrl_handle; + uint32_t num_test_sockets; + uint32_t verbose; + uint64_t rxbuf_size; + uint64_t txbuf_size; + uint64_t num_writes; + uint64_t total_bytes; +} sock_test_cfg_t; + +typedef struct +{ + uint64_t rx_xacts; + uint64_t rx_bytes; + uint32_t rx_eagain; + uint32_t rx_incomp; + uint64_t tx_xacts; + uint64_t tx_bytes; + uint32_t tx_eagain; + uint32_t tx_incomp; + struct timespec start; + struct timespec stop; +} sock_test_stats_t; + +typedef struct +{ + int fd; + uint32_t txbuf_size; + char *txbuf; + uint32_t rxbuf_size; + char *rxbuf; + sock_test_cfg_t cfg; + sock_test_stats_t stats; +} sock_test_socket_t; + +static inline void +sock_test_stats_accumulate (sock_test_stats_t * accum, + sock_test_stats_t * incr) +{ + accum->rx_xacts += incr->rx_xacts; + accum->rx_bytes += incr->rx_bytes; + accum->rx_eagain += incr->rx_eagain; + accum->rx_incomp += incr->rx_incomp; + accum->tx_xacts += incr->tx_xacts; + accum->tx_bytes += incr->tx_bytes; + accum->tx_eagain += incr->tx_eagain; + accum->tx_incomp += incr->tx_incomp; +} + +static inline void +sock_test_cfg_init (sock_test_cfg_t *cfg) +{ + cfg->magic = SOCK_TEST_CFG_CTRL_MAGIC; + cfg->test = SOCK_TEST_TYPE_NONE; + cfg->ctrl_handle = ~0; + cfg->num_test_sockets = 1; + cfg->verbose = 0; + cfg->rxbuf_size = SOCK_TEST_CFG_RXBUF_SIZE_DEF; + cfg->num_writes = SOCK_TEST_CFG_NUM_WRITES_DEF; + cfg->txbuf_size = SOCK_TEST_CFG_TXBUF_SIZE_DEF; + cfg->total_bytes = cfg->num_writes * cfg->txbuf_size; +} + +static inline int +sock_test_cfg_verify (sock_test_cfg_t *cfg, sock_test_cfg_t *valid_cfg) +{ + /* Note: txbuf & rxbuf on server are the same buffer, + * so txbuf_size is not included in this check. + */ + return ((cfg->magic == valid_cfg->magic) + && (cfg->test == valid_cfg->test) + && (cfg->verbose == valid_cfg->verbose) + && (cfg->rxbuf_size == valid_cfg->rxbuf_size) + && (cfg->num_writes == valid_cfg->num_writes) + && (cfg->total_bytes == valid_cfg->total_bytes)); +} + +static inline void +sock_test_buf_alloc (sock_test_cfg_t *cfg, uint8_t is_rxbuf, uint8_t **buf, + uint32_t *bufsize) +{ + uint32_t alloc_size = is_rxbuf ? cfg->rxbuf_size : cfg->txbuf_size; + uint8_t *lb = realloc (*buf, (size_t) alloc_size); + + if (lb) + { + if (is_rxbuf) + cfg->rxbuf_size = *bufsize = alloc_size; + else + cfg->txbuf_size = *bufsize = alloc_size; + + *buf = lb; + } + else + { + int errno_val = errno; + perror ("ERROR in sock_test_buf_alloc()"); + fprintf (stderr, "ERROR: Buffer allocation failed (errno = %d)!\n" + " Using buffer size %d instead of desired" + " size (%d)\n", errno_val, *bufsize, alloc_size); + } +} + +static inline void +sock_test_socket_buf_alloc (sock_test_socket_t *socket) +{ + socket->rxbuf_size = socket->cfg.rxbuf_size; + socket->txbuf_size = socket->cfg.txbuf_size; + sock_test_buf_alloc (&socket->cfg, 0 /* is_rxbuf */ , + (uint8_t **) &socket->txbuf, &socket->txbuf_size); + sock_test_buf_alloc (&socket->cfg, 1 /* is_rxbuf */ , + (uint8_t **) &socket->rxbuf, &socket->rxbuf_size); +} + +static inline char * +sock_test_type_str (sock_test_t t) +{ + switch (t) + { + case SOCK_TEST_TYPE_NONE: + return "NONE"; + + case SOCK_TEST_TYPE_ECHO: + return "ECHO"; + + case SOCK_TEST_TYPE_UNI: + return "UNI"; + + case SOCK_TEST_TYPE_BI: + return "BI"; + + case SOCK_TEST_TYPE_EXIT: + return "EXIT"; + + default: + return "Unknown"; + } +} + +static inline void +sock_test_cfg_dump (sock_test_cfg_t * cfg, uint8_t is_client) +{ + char *spc = " "; + + printf (" test config (%p):\n" + SOCK_TEST_SEPARATOR_STRING + " magic: 0x%08x\n" + "%-5s test: %s (%d)\n" + " ctrl handle: %d (0x%x)\n" + "%-5s num test sockets: %u (0x%08x)\n" + "%-5s verbose: %s (%d)\n" + "%-5s rxbuf size: %lu (0x%08lx)\n" + "%-5s txbuf size: %lu (0x%08lx)\n" + "%-5s num writes: %lu (0x%08lx)\n" + " client tx bytes: %lu (0x%08lx)\n" + SOCK_TEST_SEPARATOR_STRING, + (void *) cfg, cfg->magic, + is_client && (cfg->test == SOCK_TEST_TYPE_UNI) ? + "'"SOCK_TEST_TOKEN_RUN_UNI"'" : + is_client && (cfg->test == SOCK_TEST_TYPE_BI) ? + "'"SOCK_TEST_TOKEN_RUN_BI"'" : spc, + sock_test_type_str (cfg->test), cfg->test, + cfg->ctrl_handle, cfg->ctrl_handle, + is_client ? "'"SOCK_TEST_TOKEN_NUM_TEST_SCKTS"'" : spc, + cfg->num_test_sockets, cfg->num_test_sockets, + is_client ? "'"SOCK_TEST_TOKEN_VERBOSE"'" : spc, + cfg->verbose ? "on" : "off", cfg->verbose, + is_client ? "'"SOCK_TEST_TOKEN_RXBUF_SIZE"'" : spc, + cfg->rxbuf_size, cfg->rxbuf_size, + is_client ? "'"SOCK_TEST_TOKEN_TXBUF_SIZE"'" : spc, + cfg->txbuf_size, cfg->txbuf_size, + is_client ? "'"SOCK_TEST_TOKEN_NUM_WRITES"'" : spc, + cfg->num_writes, cfg->num_writes, + cfg->total_bytes, cfg->total_bytes); +} + +static inline void +sock_test_stats_dump (char * header, sock_test_stats_t * stats, + uint8_t show_rx, uint8_t show_tx, + uint8_t verbose) +{ + struct timespec diff; + double duration, rate; + uint64_t total_bytes; + + if ((stats->stop.tv_nsec - stats->start.tv_nsec) < 0) + { + diff.tv_sec = stats->stop.tv_sec - stats->start.tv_sec - 1; + diff.tv_nsec = stats->stop.tv_nsec - stats->start.tv_nsec + 1000000000; + } + else + { + diff.tv_sec = stats->stop.tv_sec - stats->start.tv_sec; + diff.tv_nsec = stats->stop.tv_nsec - stats->start.tv_nsec; + } + duration = (double) diff.tv_sec + (1e-9 * diff.tv_nsec); + + total_bytes = stats->tx_bytes + stats->rx_bytes; + rate = (double) total_bytes * 8 / duration / ONE_GIG; + printf ("\n%s: Streamed %lu bytes\n" + " in %lf seconds (%lf Gbps %s-duplex)!\n", + header, total_bytes, duration, rate, + (show_rx && show_tx) ? "full" : "half"); + + if (show_tx) + { + printf (SOCK_TEST_SEPARATOR_STRING + " tx stats (0x%p):\n" + SOCK_TEST_SEPARATOR_STRING + " writes: %lu (0x%08lx)\n" + " tx bytes: %lu (0x%08lx)\n" + " tx eagain: %u (0x%08x)\n" + " tx incomplete: %u (0x%08x)\n", + (void *)stats, stats->tx_xacts, stats->tx_xacts, + stats->tx_bytes, stats->tx_bytes, + stats->tx_eagain, stats->tx_eagain, + stats->tx_incomp, stats->tx_incomp); + } + if (show_rx) + { + printf (SOCK_TEST_SEPARATOR_STRING + " rx stats (0x%p):\n" + SOCK_TEST_SEPARATOR_STRING + " reads: %lu (0x%08lx)\n" + " rx bytes: %lu (0x%08lx)\n" + " rx eagain: %u (0x%08x)\n" + " rx incomplete: %u (0x%08x)\n", + (void *)stats, stats->rx_xacts, stats->rx_xacts, + stats->rx_bytes, stats->rx_bytes, + stats->rx_eagain, stats->rx_eagain, + stats->rx_incomp, stats->rx_incomp); + } + if (verbose) + printf (" start.tv_sec: %ld\n" + " start.tv_nsec: %ld\n" + " stop.tv_sec: %ld\n" + " stop.tv_nsec: %ld\n", + stats->start.tv_sec, stats->start.tv_nsec, + stats->stop.tv_sec, stats->stop.tv_nsec); + + printf (SOCK_TEST_SEPARATOR_STRING); +} + +static inline int +sock_test_read (int fd, uint8_t *buf, uint32_t nbytes, + sock_test_stats_t *stats) +{ + int rx_bytes, errno_val; + + do + { + if (stats) + stats->rx_xacts++; +#ifdef VCL_TEST + rx_bytes = vppcom_session_read (fd, buf, nbytes); + + if (rx_bytes < 0) + { + errno = -rx_bytes; + rx_bytes = -1; + } +#else + rx_bytes = read (fd, buf, nbytes); +#endif + if (stats) + { + if ((rx_bytes == 0) || + ((rx_bytes < 0) && ((errno == EAGAIN) || (errno == EWOULDBLOCK)))) + stats->rx_eagain++; + else if (rx_bytes < nbytes) + stats->rx_incomp++; + } + } + while ((rx_bytes == 0) || + ((rx_bytes < 0) && ((errno == EAGAIN) || (errno == EWOULDBLOCK)))); + + if (rx_bytes < 0) + { + errno_val = errno; + perror ("ERROR in sock_test_read()"); + fprintf (stderr, "ERROR: socket read failed (errno = %d)!\n", + errno_val); + errno = errno_val; + } + else if (stats) + stats->rx_bytes += rx_bytes; + + return (rx_bytes); +} + +static inline int +sock_test_write (int fd, uint8_t *buf, uint32_t nbytes, + sock_test_stats_t *stats, uint32_t verbose) +{ + int tx_bytes = 0; + int nbytes_left = nbytes; + int rv, errno_val; + + do + { + if (stats) + stats->tx_xacts++; +#ifdef VCL_TEST + rv = vppcom_session_write (fd, buf, nbytes_left); + if (rv < 0) + { + errno = -rv; + rv = -1; + } +#else + rv = write (fd, buf, nbytes_left); +#endif + if (rv < 0) + { + if ((errno == EAGAIN) || (errno == EWOULDBLOCK)) + { + if (stats) + stats->tx_eagain++; + continue; + } + else + break; + } + tx_bytes += rv; + + if (tx_bytes != nbytes) + { + nbytes_left = nbytes_left - rv; + if (stats) + stats->tx_incomp++; + if (verbose) + { + printf ("WARNING: bytes written (%d) != bytes to write (%d)!\n", + tx_bytes, nbytes); + } + } + + } while (tx_bytes != nbytes); + + if (tx_bytes < 0) + { + errno_val = errno; + perror ("ERROR in sock_test_write()"); + fprintf (stderr, "ERROR: socket write failed (errno = %d)!\n", + errno_val); + } + else if (stats) + stats->tx_bytes += tx_bytes; + + return (tx_bytes); +} + +#endif /* __sock_test_h__ */ |