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-rw-r--r--src/vcl/sock_test_server.c790
1 files changed, 790 insertions, 0 deletions
diff --git a/src/vcl/sock_test_server.c b/src/vcl/sock_test_server.c
new file mode 100644
index 00000000000..753a7da790c
--- /dev/null
+++ b/src/vcl/sock_test_server.c
@@ -0,0 +1,790 @@
+/*
+ * 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.
+ */
+
+#include <unistd.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+#include <ctype.h>
+#include <vcl/sock_test.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#define SOCK_SERVER_USE_EPOLL 1
+#define VPPCOM_SESSION_ATTR_UNIT_TEST 0
+
+#if SOCK_SERVER_USE_EPOLL
+#include <sys/epoll.h>
+#endif
+
+#ifdef VCL_TEST
+#if VPPCOM_SESSION_ATTR_UNIT_TEST
+#define BUFLEN sizeof (uint64_t) * 16
+uint64_t buffer[16];
+uint32_t buflen = BUFLEN;
+uint32_t *flags = (uint32_t *) buffer;
+#endif
+#endif
+
+typedef struct
+{
+ uint8_t is_alloc;
+ int fd;
+ uint8_t *buf;
+ uint32_t buf_size;
+ sock_test_cfg_t cfg;
+ sock_test_stats_t stats;
+#ifdef VCL_TEST
+ vppcom_endpt_t endpt;
+ uint8_t ip[16];
+#endif
+} sock_server_conn_t;
+
+#define SOCK_SERVER_MAX_TEST_CONN 10
+#define SOCK_SERVER_MAX_EPOLL_EVENTS 10
+typedef struct
+{
+ int listen_fd;
+#if SOCK_SERVER_USE_EPOLL
+ int epfd;
+ struct epoll_event listen_ev;
+ struct epoll_event wait_events[SOCK_SERVER_MAX_EPOLL_EVENTS];
+#endif
+ size_t num_conn;
+ size_t conn_pool_size;
+ sock_server_conn_t *conn_pool;
+ int nfds;
+ fd_set rd_fdset;
+ fd_set wr_fdset;
+ struct timeval timeout;
+} sock_server_main_t;
+
+sock_server_main_t sock_server_main;
+
+#if ! SOCK_SERVER_USE_EPOLL
+static inline int
+get_nfds (void)
+{
+ sock_server_main_t *ssm = &sock_server_main;
+ int i, nfds;
+
+ for (nfds = i = 0; i < FD_SETSIZE; i++)
+ {
+ if (FD_ISSET (i, &ssm->rd_fdset) || FD_ISSET (i, &ssm->wr_fdset))
+ nfds = i + 1;
+ }
+ return nfds;
+}
+
+static inline void
+conn_fdset_set (sock_server_conn_t * conn, fd_set * fdset)
+{
+ sock_server_main_t *ssm = &sock_server_main;
+
+ FD_SET (conn->fd, fdset);
+ ssm->nfds = get_nfds ();
+}
+
+static inline void
+conn_fdset_clr (sock_server_conn_t * conn, fd_set * fdset)
+{
+ sock_server_main_t *ssm = &sock_server_main;
+
+ FD_CLR (conn->fd, fdset);
+ ssm->nfds = get_nfds ();
+}
+#endif
+
+static inline void
+conn_pool_expand (size_t expand_size)
+{
+ sock_server_main_t *ssm = &sock_server_main;
+ sock_server_conn_t *conn_pool;
+ size_t new_size = ssm->conn_pool_size + expand_size;
+ int i;
+
+ conn_pool = realloc (ssm->conn_pool, new_size * sizeof (*ssm->conn_pool));
+ if (conn_pool)
+ {
+ for (i = ssm->conn_pool_size; i < new_size; i++)
+ {
+ sock_server_conn_t *conn = &conn_pool[i];
+ memset (conn, 0, sizeof (*conn));
+ sock_test_cfg_init (&conn->cfg);
+ sock_test_buf_alloc (&conn->cfg, 1 /* is_rxbuf */ ,
+ &conn->buf, &conn->buf_size);
+ conn->cfg.txbuf_size = conn->cfg.rxbuf_size;
+ }
+
+ ssm->conn_pool = conn_pool;
+ ssm->conn_pool_size = new_size;
+ }
+ else
+ {
+ int errno_val = errno;
+ perror ("ERROR in conn_pool_expand()");
+ fprintf (stderr, "ERROR: Memory allocation failed (errno = %d)!\n",
+ errno_val);
+ }
+}
+
+static inline sock_server_conn_t *
+conn_pool_alloc (void)
+{
+ sock_server_main_t *ssm = &sock_server_main;
+ int i;
+
+ for (i = 0; i < ssm->conn_pool_size; i++)
+ {
+ if (!ssm->conn_pool[i].is_alloc)
+ {
+#ifdef VCL_TEST
+ ssm->conn_pool[i].endpt.ip = ssm->conn_pool[i].ip;
+#endif
+ ssm->conn_pool[i].is_alloc = 1;
+ return (&ssm->conn_pool[i]);
+ }
+ }
+
+ return 0;
+}
+
+static inline void
+conn_pool_free (sock_server_conn_t * conn)
+{
+#if ! SOCK_SERVER_USE_EPOLL
+ sock_server_main_t *ssm = &sock_server_main;
+
+ conn_fdset_clr (conn, &ssm->rd_fdset);
+ conn_fdset_clr (conn, &ssm->wr_fdset);
+#endif
+ conn->fd = 0;
+ conn->is_alloc = 0;
+}
+
+static inline void
+sync_config_and_reply (sock_server_conn_t * conn, sock_test_cfg_t * rx_cfg)
+{
+ conn->cfg = *rx_cfg;
+ sock_test_buf_alloc (&conn->cfg, 1 /* is_rxbuf */ ,
+ &conn->buf, &conn->buf_size);
+ conn->cfg.txbuf_size = conn->cfg.rxbuf_size;
+
+ if (conn->cfg.verbose)
+ {
+ printf ("\nSERVER (fd %d): Replying to cfg message!\n", conn->fd);
+ sock_test_cfg_dump (&conn->cfg, 0 /* is_client */ );
+ }
+ (void) sock_test_write (conn->fd, (uint8_t *) & conn->cfg,
+ sizeof (conn->cfg), NULL, conn->cfg.verbose);
+}
+
+static void
+stream_test_server_start_stop (sock_server_conn_t * conn,
+ sock_test_cfg_t * rx_cfg)
+{
+ sock_server_main_t *ssm = &sock_server_main;
+ int client_fd = conn->fd;
+ sock_test_t test = rx_cfg->test;
+
+ if (rx_cfg->ctrl_handle == conn->fd)
+ {
+ int i;
+ clock_gettime (CLOCK_REALTIME, &conn->stats.stop);
+
+ for (i = 0; i < ssm->conn_pool_size; i++)
+ {
+ sock_server_conn_t *tc = &ssm->conn_pool[i];
+
+ if (tc->cfg.ctrl_handle == conn->fd)
+ {
+ sock_test_stats_accumulate (&conn->stats, &tc->stats);
+
+ if (conn->cfg.verbose)
+ {
+ static char buf[64];
+
+ sprintf (buf, "SERVER (fd %d) RESULTS", tc->fd);
+ sock_test_stats_dump (buf, &tc->stats, 1 /* show_rx */ ,
+ test == SOCK_TEST_TYPE_BI
+ /* show tx */ ,
+ conn->cfg.verbose);
+ }
+ }
+ }
+
+ sock_test_stats_dump ("SERVER RESULTS", &conn->stats, 1 /* show_rx */ ,
+ (test == SOCK_TEST_TYPE_BI) /* show_tx */ ,
+ conn->cfg.verbose);
+ sock_test_cfg_dump (&conn->cfg, 0 /* is_client */ );
+ if (conn->cfg.verbose)
+ {
+ printf (" sock server main\n"
+ SOCK_TEST_SEPARATOR_STRING
+ " buf: %p\n"
+ " buf size: %u (0x%08x)\n"
+ SOCK_TEST_SEPARATOR_STRING,
+ conn->buf, conn->buf_size, conn->buf_size);
+ }
+
+ sync_config_and_reply (conn, rx_cfg);
+ printf ("\nSERVER (fd %d): %s-directional Stream Test Complete!\n"
+ SOCK_TEST_BANNER_STRING "\n", conn->fd,
+ test == SOCK_TEST_TYPE_BI ? "Bi" : "Uni");
+ }
+ else
+ {
+ printf ("\n" SOCK_TEST_BANNER_STRING
+ "SERVER (fd %d): %s-directional Stream Test!\n"
+ " Sending client the test cfg to start streaming data...\n",
+ client_fd, test == SOCK_TEST_TYPE_BI ? "Bi" : "Uni");
+
+ rx_cfg->ctrl_handle = (rx_cfg->ctrl_handle == ~0) ? conn->fd :
+ rx_cfg->ctrl_handle;
+
+ sync_config_and_reply (conn, rx_cfg);
+
+ /* read the 1st chunk, record start time */
+ memset (&conn->stats, 0, sizeof (conn->stats));
+ clock_gettime (CLOCK_REALTIME, &conn->stats.start);
+ }
+}
+
+
+static inline void
+stream_test_server (sock_server_conn_t * conn, int rx_bytes)
+{
+ int client_fd = conn->fd;
+ sock_test_t test = conn->cfg.test;
+
+ if (test == SOCK_TEST_TYPE_BI)
+ (void) sock_test_write (client_fd, conn->buf, rx_bytes, &conn->stats,
+ conn->cfg.verbose);
+
+ if (conn->stats.rx_bytes >= conn->cfg.total_bytes)
+ {
+ clock_gettime (CLOCK_REALTIME, &conn->stats.stop);
+ }
+}
+
+static inline void
+new_client (void)
+{
+ sock_server_main_t *ssm = &sock_server_main;
+ int client_fd;
+ sock_server_conn_t *conn;
+
+ if (ssm->conn_pool_size < (ssm->num_conn + SOCK_SERVER_MAX_TEST_CONN + 1))
+ conn_pool_expand (SOCK_SERVER_MAX_TEST_CONN + 1);
+
+ conn = conn_pool_alloc ();
+ if (!conn)
+ {
+ fprintf (stderr, "\nERROR: No free connections!\n");
+ return;
+ }
+
+#ifdef VCL_TEST
+ client_fd = vppcom_session_accept (ssm->listen_fd, &conn->endpt,
+ -1.0 /* wait forever */ );
+ if (client_fd < 0)
+ errno = -client_fd;
+#else
+ client_fd = accept (ssm->listen_fd, (struct sockaddr *) NULL, NULL);
+#endif
+ if (client_fd < 0)
+ {
+ int errno_val;
+ errno_val = errno;
+ perror ("ERROR in new_client()");
+ fprintf (stderr, "ERROR: accept failed (errno = %d)!\n", errno_val);
+ }
+
+ printf ("SERVER: Got a connection -- fd = %d (0x%08x)!\n",
+ client_fd, client_fd);
+
+ conn->fd = client_fd;
+
+#if ! SOCK_SERVER_USE_EPOLL
+ conn_fdset_set (conn, &ssm->rd_fdset);
+ ssm->nfds++;
+#else
+ {
+ struct epoll_event ev;
+ int rv;
+
+ ev.events = EPOLLIN;
+ ev.data.u64 = conn - ssm->conn_pool;
+#ifdef VCL_TEST
+ rv = vppcom_epoll_ctl (ssm->epfd, EPOLL_CTL_ADD, client_fd, &ev);
+ if (rv)
+ errno = -rv;
+#else
+ rv = epoll_ctl (ssm->epfd, EPOLL_CTL_ADD, client_fd, &ev);
+#endif
+ if (rv < 0)
+ {
+ int errno_val;
+ errno_val = errno;
+ perror ("ERROR in new_client()");
+ fprintf (stderr, "ERROR: epoll_ctl failed (errno = %d)!\n",
+ errno_val);
+ }
+ else
+ ssm->nfds++;
+ }
+#endif
+}
+
+int
+main (int argc, char **argv)
+{
+ sock_server_main_t *ssm = &sock_server_main;
+ int client_fd, rv, main_rv = 0;
+ int tx_bytes, rx_bytes, nbytes;
+ sock_server_conn_t *conn;
+ sock_test_cfg_t *rx_cfg;
+ uint32_t xtra = 0;
+ uint64_t xtra_bytes = 0;
+ struct sockaddr_in servaddr;
+ int errno_val;
+ int v, i;
+ uint16_t port = SOCK_TEST_SERVER_PORT;
+#if ! SOCK_SERVER_USE_EPOLL
+ fd_set _rfdset, *rfdset = &_rfdset;
+#endif
+#ifdef VCL_TEST
+ vppcom_endpt_t endpt;
+#else
+#if ! SOCK_SERVER_USE_EPOLL
+ fd_set _wfdset, *wfdset = &_wfdset;
+#endif
+#endif
+
+ if ((argc == 2) && (sscanf (argv[1], "%d", &v) == 1))
+ port = (uint16_t) v;
+
+ conn_pool_expand (SOCK_SERVER_MAX_TEST_CONN + 1);
+
+#ifdef VCL_TEST
+ rv = vppcom_app_create ("vcl_test_server");
+ if (rv)
+ {
+ errno = -rv;
+ ssm->listen_fd = -1;
+ }
+ else
+ {
+ ssm->listen_fd =
+ vppcom_session_create (VPPCOM_VRF_DEFAULT, VPPCOM_PROTO_TCP,
+ 0 /* is_nonblocking */ );
+ }
+#else
+ ssm->listen_fd = socket (AF_INET, SOCK_STREAM, 0);
+#endif
+ if (ssm->listen_fd < 0)
+ {
+ errno_val = errno;
+ perror ("ERROR in main()");
+ fprintf (stderr, "ERROR: socket() failed (errno = %d)!\n", errno_val);
+ return ssm->listen_fd;
+ }
+
+ memset (&servaddr, 0, sizeof (servaddr));
+
+ servaddr.sin_family = AF_INET;
+ servaddr.sin_addr.s_addr = htonl (INADDR_ANY);
+ servaddr.sin_port = htons (port);
+
+#ifdef VCL_TEST
+ endpt.vrf = VPPCOM_VRF_DEFAULT;
+ endpt.is_ip4 = (servaddr.sin_family == AF_INET);
+ endpt.ip = (uint8_t *) & servaddr.sin_addr;
+ endpt.port = (uint16_t) servaddr.sin_port;
+
+ rv = vppcom_session_bind (ssm->listen_fd, &endpt);
+ if (rv)
+ {
+ errno = -rv;
+ rv = -1;
+ }
+
+#if VPPCOM_SESSION_ATTR_UNIT_TEST
+ buflen = BUFLEN;
+ if (vppcom_session_attr (ssm->listen_fd, VPPCOM_ATTR_GET_FLAGS,
+ buffer, &buflen) != VPPCOM_OK)
+ printf ("\nGET_FLAGS0: Oh no, Mr. Biiiiiiiiiiiilllllll ! ! ! !\n");
+ buflen = BUFLEN;
+ *flags = O_RDWR | O_NONBLOCK;
+ if (vppcom_session_attr (ssm->listen_fd, VPPCOM_ATTR_SET_FLAGS,
+ buffer, &buflen) != VPPCOM_OK)
+ printf ("\nSET_FLAGS1: Oh no, Mr. Biiiiiiiiiiiilllllll ! ! ! !\n");
+ buflen = BUFLEN;
+ if (vppcom_session_attr (ssm->listen_fd, VPPCOM_ATTR_GET_FLAGS,
+ buffer, &buflen) != VPPCOM_OK)
+ printf ("\nGET_FLAGS1:Oh no, Mr. Biiiiiiiiiiiilllllll ! ! ! !\n");
+ *flags = O_RDWR;
+ buflen = BUFLEN;
+ if (vppcom_session_attr (ssm->listen_fd, VPPCOM_ATTR_SET_FLAGS,
+ buffer, &buflen) != VPPCOM_OK)
+ printf ("\nSET_FLAGS2: Oh no, Mr. Biiiiiiiiiiiilllllll ! ! ! !\n");
+ buflen = BUFLEN;
+ if (vppcom_session_attr (ssm->listen_fd, VPPCOM_ATTR_GET_FLAGS,
+ buffer, &buflen) != VPPCOM_OK)
+ printf ("\nGET_FLAGS2:Oh no, Mr. Biiiiiiiiiiiilllllll ! ! ! !\n");
+
+ buflen = BUFLEN;
+ if (vppcom_session_attr (ssm->listen_fd, VPPCOM_ATTR_GET_PEER_ADDR,
+ buffer, &buflen) != VPPCOM_OK)
+ printf ("\nGET_PEER_ADDR: Oh no, Mr. Biiiiiiiiiiiilllllll ! ! ! !\n");
+ buflen = BUFLEN;
+ if (vppcom_session_attr (ssm->listen_fd, VPPCOM_ATTR_GET_LCL_ADDR,
+ buffer, &buflen) != VPPCOM_OK)
+ printf ("\nGET_LCL_ADDR: Oh no, Mr. Biiiiiiiiiiiilllllll ! ! ! !\n");
+#endif
+#else
+ rv =
+ bind (ssm->listen_fd, (struct sockaddr *) &servaddr, sizeof (servaddr));
+#endif
+ if (rv < 0)
+ {
+ errno_val = errno;
+ perror ("ERROR in main()");
+ fprintf (stderr, "ERROR: bind failed (errno = %d)!\n", errno_val);
+ return rv;
+ }
+
+#ifdef VCL_TEST
+ rv = vppcom_session_listen (ssm->listen_fd, 10);
+ if (rv)
+ {
+ errno = -rv;
+ rv = -1;
+ }
+#else
+ rv = listen (ssm->listen_fd, 10);
+#endif
+ if (rv < 0)
+ {
+ errno_val = errno;
+ perror ("ERROR in main()");
+ fprintf (stderr, "ERROR: listen failed (errno = %d)!\n", errno_val);
+ return rv;
+ }
+
+ printf ("\nSERVER: Waiting for a client to connect on port %d...\n", port);
+
+#if ! SOCK_SERVER_USE_EPOLL
+
+ FD_ZERO (&ssm->wr_fdset);
+ FD_ZERO (&ssm->rd_fdset);
+
+ FD_SET (ssm->listen_fd, &ssm->rd_fdset);
+ ssm->nfds = ssm->listen_fd + 1;
+
+#else
+#ifdef VCL_TEST
+ ssm->epfd = vppcom_epoll_create ();
+ if (ssm->epfd < 0)
+ errno = -ssm->epfd;
+#else
+ ssm->epfd = epoll_create (1);
+#endif
+ if (ssm->epfd < 0)
+ {
+ errno_val = errno;
+ perror ("ERROR in main()");
+ fprintf (stderr, "ERROR: epoll_create failed (errno = %d)!\n",
+ errno_val);
+ return ssm->epfd;
+ }
+
+ ssm->listen_ev.events = EPOLLIN;
+ ssm->listen_ev.data.u32 = ~0;
+#ifdef VCL_TEST
+ rv = vppcom_epoll_ctl (ssm->epfd, EPOLL_CTL_ADD, ssm->listen_fd,
+ &ssm->listen_ev);
+ if (rv < 0)
+ errno = -rv;
+#else
+ rv = epoll_ctl (ssm->epfd, EPOLL_CTL_ADD, ssm->listen_fd, &ssm->listen_ev);
+#endif
+ if (rv < 0)
+ {
+ errno_val = errno;
+ perror ("ERROR in main()");
+ fprintf (stderr, "ERROR: epoll_ctl failed (errno = %d)!\n", errno_val);
+ return rv;
+ }
+#endif
+
+ while (1)
+ {
+#if ! SOCK_SERVER_USE_EPOLL
+ _rfdset = ssm->rd_fdset;
+
+#ifdef VCL_TEST
+ rv = vppcom_select (ssm->nfds, (uint64_t *) rfdset, NULL, NULL, 0);
+#else
+ {
+ struct timeval timeout;
+ timeout = ssm->timeout;
+ _wfdset = ssm->wr_fdset;
+ rv = select (ssm->nfds, rfdset, wfdset, NULL, &timeout);
+ }
+#endif
+ if (rv < 0)
+ {
+ perror ("select()");
+ fprintf (stderr, "\nERROR: select() failed -- aborting!\n");
+ main_rv = -1;
+ goto done;
+ }
+ else if (rv == 0)
+ continue;
+
+ if (FD_ISSET (ssm->listen_fd, rfdset))
+ new_client ();
+
+ for (i = 0; i < ssm->conn_pool_size; i++)
+ {
+ if (!ssm->conn_pool[i].is_alloc)
+ continue;
+
+ conn = &ssm->conn_pool[i];
+#else
+ int num_ev;
+#ifdef VCL_TEST
+ num_ev = vppcom_epoll_wait (ssm->epfd, ssm->wait_events,
+ SOCK_SERVER_MAX_EPOLL_EVENTS, 60.0);
+ if (num_ev < 0)
+ errno = -num_ev;
+#else
+ num_ev = epoll_wait (ssm->epfd, ssm->wait_events,
+ SOCK_SERVER_MAX_EPOLL_EVENTS, 60000);
+#endif
+ if (num_ev < 0)
+ {
+ perror ("epoll_wait()");
+ fprintf (stderr, "\nERROR: epoll_wait() failed -- aborting!\n");
+ main_rv = -1;
+ goto done;
+ }
+ if (num_ev == 0)
+ {
+ fprintf (stderr, "\nepoll_wait() timeout!\n");
+ continue;
+ }
+ for (i = 0; i < num_ev; i++)
+ {
+ if (ssm->wait_events[i].data.u32 == ~0)
+ {
+ new_client ();
+ continue;
+ }
+ conn = &ssm->conn_pool[ssm->wait_events[i].data.u32];
+#endif
+ client_fd = conn->fd;
+
+#if ! SOCK_SERVER_USE_EPOLL
+ if (FD_ISSET (client_fd, rfdset))
+#else
+ if (EPOLLIN & ssm->wait_events[i].events)
+#endif
+ {
+#ifdef VCL_TEST
+#if VPPCOM_SESSION_ATTR_UNIT_TEST
+ buflen = BUFLEN;
+ if (vppcom_session_attr (client_fd, VPPCOM_ATTR_GET_NREAD,
+ buffer, &buflen) < VPPCOM_OK)
+ printf ("\nNREAD: Oh no, Mr. Biiiiiiiiiiiilllllll ! ! ! !\n");
+ if (vppcom_session_attr (client_fd,
+ VPPCOM_ATTR_GET_PEER_ADDR,
+ buffer, &buflen) != VPPCOM_OK)
+ printf ("\nGET_PEER_ADDR: Oh no, Mr. "
+ "Biiiiiiiiiiiilllllll ! ! ! !\n");
+ buflen = BUFLEN;
+ if (vppcom_session_attr (client_fd, VPPCOM_ATTR_GET_LCL_ADDR,
+ buffer, &buflen) != VPPCOM_OK)
+ printf ("\nGET_LCL_ADDR: Oh no, Mr. "
+ "Biiiiiiiiiiiilllllll ! ! ! !\n");
+#endif
+#endif
+ rx_bytes = sock_test_read (client_fd, conn->buf,
+ conn->buf_size, &conn->stats);
+ if (rx_bytes > 0)
+ {
+ rx_cfg = (sock_test_cfg_t *) conn->buf;
+ if (rx_cfg->magic == SOCK_TEST_CFG_CTRL_MAGIC)
+ {
+ if (rx_cfg->verbose)
+ {
+ printf ("SERVER (fd %d): Received a cfg message!\n",
+ client_fd);
+ sock_test_cfg_dump (rx_cfg, 0 /* is_client */ );
+ }
+
+ if (rx_bytes != sizeof (*rx_cfg))
+ {
+ printf ("SERVER (fd %d): Invalid cfg message "
+ "size (%d)!\n Should be %lu bytes.\n",
+ client_fd, rx_bytes, sizeof (*rx_cfg));
+ conn->cfg.rxbuf_size = 0;
+ conn->cfg.num_writes = 0;
+ if (conn->cfg.verbose)
+ {
+ printf ("SERVER (fd %d): Replying to "
+ "cfg message!\n", client_fd);
+ sock_test_cfg_dump (rx_cfg, 0 /* is_client */ );
+ }
+ sock_test_write (client_fd, (uint8_t *) & conn->cfg,
+ sizeof (conn->cfg), NULL,
+ conn->cfg.verbose);
+ continue;
+ }
+
+ switch (rx_cfg->test)
+ {
+ case SOCK_TEST_TYPE_NONE:
+ case SOCK_TEST_TYPE_ECHO:
+ sync_config_and_reply (conn, rx_cfg);
+ break;
+
+ case SOCK_TEST_TYPE_BI:
+ case SOCK_TEST_TYPE_UNI:
+ stream_test_server_start_stop (conn, rx_cfg);
+ break;
+
+ case SOCK_TEST_TYPE_EXIT:
+ printf ("SERVER: Have a great day, "
+ "connection %d!\n", client_fd);
+#ifdef VCL_TEST
+ vppcom_session_close (client_fd);
+#else
+ close (client_fd);
+#endif
+ conn_pool_free (conn);
+#if ! SOCK_SERVER_USE_EPOLL
+ if (ssm->nfds == (ssm->listen_fd + 1))
+#else
+ ssm->nfds--;
+ if (!ssm->nfds)
+#endif
+ {
+ printf ("SERVER: All client connections "
+ "closed.\n\nSERVER: "
+ "May the force be with you!\n\n");
+ goto done;
+ }
+ break;
+
+ default:
+ fprintf (stderr, "ERROR: Unknown test type!\n");
+ sock_test_cfg_dump (rx_cfg, 0 /* is_client */ );
+ break;
+ }
+ continue;
+ }
+
+ else if ((conn->cfg.test == SOCK_TEST_TYPE_UNI) ||
+ (conn->cfg.test == SOCK_TEST_TYPE_BI))
+ {
+ stream_test_server (conn, rx_bytes);
+ continue;
+ }
+
+ else if (isascii (conn->buf[0]))
+ {
+ // If it looks vaguely like a string, make sure it's terminated
+ ((char *) conn->buf)[rx_bytes <
+ conn->buf_size ? rx_bytes :
+ conn->buf_size - 1] = 0;
+ printf ("SERVER (fd %d): RX (%d bytes) - '%s'\n",
+ conn->fd, rx_bytes, conn->buf);
+ }
+ }
+ else // rx_bytes < 0
+ {
+ if (errno == ECONNRESET)
+ {
+ printf ("\nSERVER: Connection reset by remote peer.\n"
+ " Y'all have a great day now!\n\n");
+ break;
+ }
+ else
+ continue;
+ }
+
+ if (isascii (conn->buf[0]))
+ {
+ // If it looks vaguely like a string, make sure it's terminated
+ ((char *) conn->buf)[rx_bytes <
+ conn->buf_size ? rx_bytes :
+ conn->buf_size - 1] = 0;
+ if (xtra)
+ fprintf (stderr,
+ "ERROR: FIFO not drained in previous test!\n"
+ " extra chunks %u (0x%x)\n"
+ " extra bytes %lu (0x%lx)\n",
+ xtra, xtra, xtra_bytes, xtra_bytes);
+
+ xtra = 0;
+ xtra_bytes = 0;
+
+ if (conn->cfg.verbose)
+ printf ("SERVER (fd %d): Echoing back\n", client_fd);
+
+ nbytes = strlen ((const char *) conn->buf) + 1;
+
+ tx_bytes = sock_test_write (client_fd, conn->buf,
+ nbytes, &conn->stats,
+ conn->cfg.verbose);
+ if (tx_bytes >= 0)
+ printf ("SERVER (fd %d): TX (%d bytes) - '%s'\n",
+ conn->fd, tx_bytes, conn->buf);
+ }
+
+ else // Extraneous read data from non-echo tests???
+ {
+ xtra++;
+ xtra_bytes += rx_bytes;
+ }
+ }
+ }
+ }
+
+done:
+#ifdef VCL_TEST
+ vppcom_session_close (ssm->listen_fd);
+ vppcom_app_destroy ();
+#else
+ close (ssm->listen_fd);
+#endif
+ if (ssm->conn_pool)
+ free (ssm->conn_pool);
+
+ return main_rv;
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */