+vcl_test_cfg_verify (vcl_test_cfg_t * cfg, vcl_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
+vcl_test_buf_alloc (vcl_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
+ {
+ vtwrn ("realloc failed. using buffer size %d instead of %u",
+ *bufsize, alloc_size);
+ }
+}
+
+static inline void
+vcl_test_session_buf_alloc (vcl_test_session_t * socket)
+{
+ socket->rxbuf_size = socket->cfg.rxbuf_size;
+ socket->txbuf_size = socket->cfg.txbuf_size;
+ vcl_test_buf_alloc (&socket->cfg, 0 /* is_rxbuf */ ,
+ (uint8_t **) & socket->txbuf, &socket->txbuf_size);
+ vcl_test_buf_alloc (&socket->cfg, 1 /* is_rxbuf */ ,
+ (uint8_t **) & socket->rxbuf, &socket->rxbuf_size);
+}
+
+static inline char *
+vcl_test_type_str (vcl_test_t t)
+{
+ switch (t)
+ {
+ case VCL_TEST_TYPE_NONE:
+ return "NONE";
+
+ case VCL_TEST_TYPE_ECHO:
+ return "ECHO";
+
+ case VCL_TEST_TYPE_UNI:
+ return "UNI";
+
+ case VCL_TEST_TYPE_BI:
+ return "BI";
+
+ case VCL_TEST_TYPE_EXIT:
+ return "EXIT";
+
+ default:
+ return "Unknown";
+ }
+}
+
+static inline void
+vcl_test_cfg_dump (vcl_test_cfg_t * cfg, uint8_t is_client)
+{
+ char *spc = " ";
+
+ printf (" test config (%p):\n"
+ VCL_TEST_SEPARATOR_STRING
+ " magic: 0x%08x\n"
+ " seq_num: 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"
+ VCL_TEST_SEPARATOR_STRING,
+ (void *) cfg, cfg->magic, cfg->seq_num,
+ is_client && (cfg->test == VCL_TEST_TYPE_UNI) ?
+ "'" VCL_TEST_TOKEN_RUN_UNI "'" :
+ is_client && (cfg->test == VCL_TEST_TYPE_BI) ?
+ "'" VCL_TEST_TOKEN_RUN_BI "'" : spc,
+ vcl_test_type_str (cfg->test), cfg->test,
+ cfg->ctrl_handle, cfg->ctrl_handle,
+ is_client ? "'" VCL_TEST_TOKEN_NUM_TEST_SESS "'" : spc,
+ cfg->num_test_sessions, cfg->num_test_sessions,
+ is_client ? "'" VCL_TEST_TOKEN_VERBOSE "'" : spc,
+ cfg->verbose ? "on" : "off", cfg->verbose,
+ is_client ? "'" VCL_TEST_TOKEN_RXBUF_SIZE "'" : spc,
+ cfg->rxbuf_size, cfg->rxbuf_size,
+ is_client ? "'" VCL_TEST_TOKEN_TXBUF_SIZE "'" : spc,
+ cfg->txbuf_size, cfg->txbuf_size,
+ is_client ? "'" VCL_TEST_TOKEN_NUM_WRITES "'" : spc,
+ cfg->num_writes, cfg->num_writes,
+ cfg->total_bytes, cfg->total_bytes);
+}
+
+static inline void
+vcl_test_stats_dump (char *header, vcl_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 + 1e9;
+ }
+ 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 / 1e9;
+ 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 (VCL_TEST_SEPARATOR_STRING
+ " tx stats (0x%p):\n"
+ VCL_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 (VCL_TEST_SEPARATOR_STRING
+ " rx stats (0x%p):\n"
+ VCL_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 (VCL_TEST_SEPARATOR_STRING);
+}
+
+static inline int
+vcl_comp_tspec (struct timespec *a, struct timespec *b)
+{
+ if (a->tv_sec < b->tv_sec)
+ return -1;
+ else if (a->tv_sec > b->tv_sec)
+ return 1;
+ else if (a->tv_nsec < b->tv_nsec)
+ return -1;
+ else if (a->tv_nsec > b->tv_nsec)
+ return 1;
+ else
+ return 0;
+}
+
+static inline int
+vcl_test_read (int fd, uint8_t * buf, uint32_t nbytes,
+ vcl_test_stats_t * stats)