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-rw-r--r--extras/apps/src/socket_echo_client.c181
-rw-r--r--extras/apps/src/socket_echo_server.c231
2 files changed, 412 insertions, 0 deletions
diff --git a/extras/apps/src/socket_echo_client.c b/extras/apps/src/socket_echo_client.c
new file mode 100644
index 00000000000..4469b03d4c2
--- /dev/null
+++ b/extras/apps/src/socket_echo_client.c
@@ -0,0 +1,181 @@
+/*
+ * 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 <stdio.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <vppinfra/format.h>
+#include <sys/time.h>
+
+int
+main (int argc, char *argv[])
+{
+ int sockfd, portno, n;
+ struct sockaddr_in serv_addr;
+ struct hostent *server;
+ u8 *rx_buffer = 0, *tx_buffer = 0, no_echo = 0, test_bytes = 0;
+ u32 offset;
+ long bytes = 1 << 20, to_send;
+ int i;
+ struct timeval start, end;
+ double deltat;
+
+ if (argc >= 3)
+ {
+ portno = atoi (argv[2]);
+ server = gethostbyname (argv[1]);
+ if (server == NULL)
+ {
+ clib_unix_warning ("gethostbyname");
+ exit (1);
+ }
+
+ argc -= 3;
+ argv += 3;
+
+ if (argc)
+ {
+ bytes = ((long) atoi (argv[0])) << 20;
+ argc--;
+ argv++;
+ }
+ if (argc)
+ {
+ no_echo = atoi (argv[0]);
+ argc--;
+ argv++;
+ }
+ if (argc)
+ {
+ test_bytes = atoi (argv[0]);
+ argc--;
+ argv++;
+ }
+ }
+ else
+ {
+ portno = 1234; // atoi(argv[2]);
+ server = gethostbyname ("6.0.1.1" /* argv[1] */ );
+ if (server == NULL)
+ {
+ clib_unix_warning ("gethostbyname");
+ exit (1);
+ }
+ }
+
+ to_send = bytes;
+ sockfd = socket (AF_INET, SOCK_STREAM, 0);
+ if (sockfd < 0)
+ {
+ clib_unix_error ("socket");
+ exit (1);
+ }
+
+ bzero ((char *) &serv_addr, sizeof (serv_addr));
+ serv_addr.sin_family = AF_INET;
+ bcopy ((char *) server->h_addr,
+ (char *) &serv_addr.sin_addr.s_addr, server->h_length);
+ serv_addr.sin_port = htons (portno);
+ if (connect (sockfd, (const void *) &serv_addr, sizeof (serv_addr)) < 0)
+ {
+ clib_unix_warning ("connect");
+ exit (1);
+ }
+
+ vec_validate (rx_buffer, 128 << 10);
+ vec_validate (tx_buffer, 128 << 10);
+
+ for (i = 0; i < vec_len (tx_buffer); i++)
+ tx_buffer[i] = (i + 1) % 0xff;
+
+ /*
+ * Send one packet to warm up the RX pipeline
+ */
+ n = send (sockfd, tx_buffer, vec_len (tx_buffer), 0 /* flags */ );
+ if (n != vec_len (tx_buffer))
+ {
+ clib_unix_warning ("write");
+ exit (0);
+ }
+
+ gettimeofday (&start, NULL);
+ while (bytes > 0)
+ {
+ /*
+ * TX
+ */
+ n = send (sockfd, tx_buffer, vec_len (tx_buffer), 0 /* flags */ );
+ if (n != vec_len (tx_buffer))
+ {
+ clib_unix_warning ("write");
+ exit (0);
+ }
+ bytes -= n;
+
+ if (no_echo)
+ continue;
+
+ /*
+ * RX
+ */
+
+ offset = 0;
+ do
+ {
+ n = recv (sockfd, rx_buffer + offset,
+ vec_len (rx_buffer) - offset, 0 /* flags */ );
+ if (n < 0)
+ {
+ clib_unix_warning ("read");
+ exit (0);
+ }
+ offset += n;
+ }
+ while (offset < vec_len (rx_buffer));
+
+ if (test_bytes)
+ {
+ for (i = 0; i < vec_len (rx_buffer); i++)
+ {
+ if (rx_buffer[i] != tx_buffer[i])
+ {
+ clib_warning ("[%d] read 0x%x not 0x%x", rx_buffer[i],
+ tx_buffer[i]);
+ exit (1);
+ }
+ }
+ }
+ }
+ close (sockfd);
+ gettimeofday (&end, NULL);
+
+ deltat = (end.tv_sec - start.tv_sec);
+ deltat += (end.tv_usec - start.tv_usec) / 1000000.0; // us to ms
+ clib_warning ("Finished in %.6f", deltat);
+ clib_warning ("%.4f Gbit/second %s", (((f64) to_send * 8.0) / deltat / 1e9),
+ no_echo ? "half" : "full");
+ return 0;
+}
+
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/extras/apps/src/socket_echo_server.c b/extras/apps/src/socket_echo_server.c
new file mode 100644
index 00000000000..4f4c5f30803
--- /dev/null
+++ b/extras/apps/src/socket_echo_server.c
@@ -0,0 +1,231 @@
+/*
+ * 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 <stdio.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+#include <vppinfra/format.h>
+#include <signal.h>
+#include <sys/ucontext.h>
+#include <sys/time.h>
+
+volatile int signal_received;
+
+static void
+unix_signal_handler (int signum, siginfo_t * si, ucontext_t * uc)
+{
+ signal_received = 1;
+}
+
+static void
+setup_signal_handler (void)
+{
+ uword i;
+ struct sigaction sa;
+
+ for (i = 1; i < 32; i++)
+ {
+ memset (&sa, 0, sizeof (sa));
+ sa.sa_sigaction = (void *) unix_signal_handler;
+ sa.sa_flags = SA_SIGINFO;
+
+ switch (i)
+ {
+ /* these signals take the default action */
+ case SIGABRT:
+ case SIGKILL:
+ case SIGSTOP:
+ case SIGUSR1:
+ case SIGUSR2:
+ continue;
+
+ /* ignore SIGPIPE, SIGCHLD */
+ case SIGPIPE:
+ case SIGCHLD:
+ sa.sa_sigaction = (void *) SIG_IGN;
+ break;
+
+ /* catch and handle all other signals */
+ default:
+ break;
+ }
+
+ if (sigaction (i, &sa, 0) < 0)
+ clib_unix_warning ("sigaction %U", format_signal, i);
+ }
+}
+
+
+int
+main (int argc, char *argv[])
+{
+ int sockfd, portno, n, sent, accfd, reuse;
+ socklen_t client_addr_len;
+ struct sockaddr_in serv_addr;
+ struct sockaddr_in client;
+ struct hostent *server;
+ u8 *rx_buffer = 0, no_echo = 0;
+ struct timeval start, end;
+ long rcvd = 0;
+ double deltat;
+
+ if (argc > 1 && argc < 3)
+ {
+ fformat (stderr, "usage %s host port\n", argv[0]);
+ exit (0);
+ }
+
+ if (argc >= 4)
+ {
+ no_echo = atoi (argv[3]);
+ portno = atoi (argv[2]);
+ server = gethostbyname (argv[1]);
+ if (server == NULL)
+ {
+ clib_unix_warning ("gethostbyname");
+ exit (1);
+ }
+ }
+ else
+ {
+ /* Defaults */
+ portno = 1234;
+ server = gethostbyname ("6.0.1.1");
+ if (server == NULL)
+ {
+ clib_unix_warning ("gethostbyname");
+ exit (1);
+ }
+ }
+
+
+ setup_signal_handler ();
+
+ sockfd = socket (AF_INET, SOCK_STREAM, 0);
+ if (sockfd < 0)
+ {
+ clib_unix_error ("socket");
+ exit (1);
+ }
+
+ reuse = 1;
+ if (setsockopt (sockfd, SOL_SOCKET, SO_REUSEADDR, (const char *) &reuse,
+ sizeof (reuse)) < 0)
+ {
+ clib_unix_error ("setsockopt(SO_REUSEADDR) failed");
+ exit (1);
+ }
+
+ bzero ((char *) &serv_addr, sizeof (serv_addr));
+ serv_addr.sin_family = AF_INET;
+ bcopy ((char *) server->h_addr,
+ (char *) &serv_addr.sin_addr.s_addr, server->h_length);
+ serv_addr.sin_port = htons (portno);
+ if (bind (sockfd, (const void *) &serv_addr, sizeof (serv_addr)) < 0)
+ {
+ clib_unix_warning ("bind");
+ exit (1);
+ }
+
+ vec_validate (rx_buffer, 128 << 10);
+
+ if (listen (sockfd, 5 /* backlog */ ) < 0)
+ {
+ clib_unix_warning ("listen");
+ close (sockfd);
+ return 1;
+ }
+
+ while (1)
+ {
+ if (signal_received)
+ break;
+
+ client_addr_len = sizeof (struct sockaddr);
+ accfd = accept (sockfd, (struct sockaddr *) &client, &client_addr_len);
+ if (accfd < 0)
+ {
+ clib_unix_warning ("accept");
+ continue;
+ }
+ fformat (stderr, "Accepted connection from: %s : %d\n",
+ inet_ntoa (client.sin_addr), client.sin_port);
+ gettimeofday (&start, NULL);
+
+ while (1)
+ {
+ n = recv (accfd, rx_buffer, vec_len (rx_buffer), 0 /* flags */ );
+ if (n == 0)
+ {
+ /* Graceful exit */
+ close (accfd);
+ gettimeofday (&end, NULL);
+ deltat = (end.tv_sec - start.tv_sec);
+ deltat += (end.tv_usec - start.tv_usec) / 1000000.0;
+ clib_warning ("Finished in %.6f", deltat);
+ clib_warning ("%.4f Gbit/second %s",
+ (((f64) rcvd * 8.0) / deltat / 1e9),
+ no_echo ? "half" : "full");
+ rcvd = 0;
+ break;
+ }
+ if (n < 0)
+ {
+ clib_unix_warning ("recv");
+ close (accfd);
+ break;
+ }
+
+ if (signal_received)
+ break;
+
+ rcvd += n;
+ if (no_echo)
+ continue;
+
+ sent = send (accfd, rx_buffer, n, 0 /* flags */ );
+ if (n < 0)
+ {
+ clib_unix_warning ("send");
+ close (accfd);
+ break;
+ }
+
+ if (sent != n)
+ {
+ clib_warning ("sent %d not %d", sent, n);
+ }
+
+ if (signal_received)
+ break;
+ }
+ }
+
+ close (sockfd);
+
+ return 0;
+}
+
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */