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-rw-r--r--src/tools/operf/CMakeLists.txt21
-rw-r--r--src/tools/operf/operf.c179
-rw-r--r--src/tools/operf/operf_client.c248
-rw-r--r--src/tools/operf/operf_server.c179
4 files changed, 627 insertions, 0 deletions
diff --git a/src/tools/operf/CMakeLists.txt b/src/tools/operf/CMakeLists.txt
new file mode 100644
index 00000000..b63d24ee
--- /dev/null
+++ b/src/tools/operf/CMakeLists.txt
@@ -0,0 +1,21 @@
+include_directories(${CMAKE_CURRENT_SOURCE_DIR})
+include_directories(${CMAKE_CURRENT_BINARY_DIR})
+
+include_directories(${CMAKE_SOURCE_DIR}/include)
+include_directories(${CMAKE_BINARY_DIR}/include)
+
+find_library(LIBM_LIBRARIES m)
+if(NOT LIBM_LIBRARIES)
+ message(FATAL_ERROR "libm not found")
+endif()
+
+set(SOURCE_FILES
+ # Add source files here
+ operf.c
+)
+
+add_executable(operf ${SOURCE_FILES})
+
+target_link_libraries(operf LINK_PUBLIC ${LIBM_LIBRARIES} ouroboros)
+
+install(TARGETS operf RUNTIME DESTINATION usr/bin)
diff --git a/src/tools/operf/operf.c b/src/tools/operf/operf.c
new file mode 100644
index 00000000..b52109cf
--- /dev/null
+++ b/src/tools/operf/operf.c
@@ -0,0 +1,179 @@
+/*
+ * Ouroboros - Copyright (C) 2016
+ *
+ * Ouroboros perf application
+ *
+ * Dimitri Staessens <dimitri.staessens@intec.ugent.be>
+ * Sander Vrijders <sander.vrijders@intec.ugent.be>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#define _POSIX_C_SOURCE 199506L
+
+#include <ouroboros/fqueue.h>
+#include <ouroboros/dev.h>
+
+#include <stdio.h>
+#include <string.h>
+#include <pthread.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+#define OPERF_BUF_SIZE (1024 * 1024)
+
+#define OPERF_MAX_FLOWS 256
+
+struct c {
+ char * s_apn;
+ int size;
+ long rate;
+ bool flood;
+ int duration;
+
+ size_t sent;
+ size_t rcvd;
+
+ flow_set_t * flows;
+ fqueue_t * fq;
+
+ pthread_t reader_pt;
+ pthread_t writer_pt;
+} client;
+
+struct s {
+ struct timespec times[OPERF_MAX_FLOWS];
+ flow_set_t * flows;
+ fqueue_t * fq;
+ pthread_mutex_t lock;
+
+ uint8_t buffer[OPERF_BUF_SIZE];
+ ssize_t timeout;
+
+ pthread_t cleaner_pt;
+ pthread_t accept_pt;
+ pthread_t server_pt;
+} server;
+
+#include "operf_client.c"
+#include "operf_server.c"
+
+static void usage(void)
+{
+ printf("Usage: operf [OPTION]...\n"
+ "Measures bandwidth between a client and a server\n"
+ " -l, --listen Run in server mode\n"
+ "\n"
+ " -n, --server-apn Name of the operf server\n"
+ " -d, --duration Test duration (s, default 60)\n"
+ " -r, --rate Rate (b/s)\n"
+ " -s, --size Payload size (B, default 1500)\n"
+ " -f, --flood Send SDUs as fast as possible\n"
+ " --help Display this help text and exit\n");
+}
+
+int main(int argc, char ** argv)
+{
+ int ret = -1;
+ char * rem = NULL;
+ bool serv = false;
+ char ** argv_dup = argv;
+
+ argc--;
+ argv++;
+
+ client.s_apn = NULL;
+ client.size = 1500;
+ client.duration = 60000;
+ server.timeout = 1000; /* ms */
+ client.rate = 1000000;
+ client.flood = false;
+
+ while (argc > 0) {
+ if (strcmp(*argv, "-n") == 0 ||
+ strcmp(*argv, "--server_apn") == 0) {
+ client.s_apn = *(++argv);
+ --argc;
+ } else if (strcmp(*argv, "-s") == 0 ||
+ strcmp(*argv, "--size") == 0) {
+ client.size = strtol(*(++argv), &rem, 10);
+ --argc;
+ } else if (strcmp(*argv, "-d") == 0 ||
+ strcmp(*argv, "--duration") == 0) {
+ client.duration = strtol(*(++argv), &rem, 10) * 1000;
+ --argc;
+ } else if (strcmp(*argv, "-r") == 0 ||
+ strcmp(*argv, "--rate") == 0) {
+ client.rate = strtol(*(++argv), &rem, 10);
+ if (*rem == 'k')
+ client.rate *= 1000;
+ if (*rem == 'M')
+ client.rate *= MILLION;
+ if (*rem == 'G')
+ client.rate *= BILLION;
+ --argc;
+ } else if (strcmp(*argv, "-f") == 0 ||
+ strcmp(*argv, "--flood") == 0) {
+ client.flood = true;
+ } else if (strcmp(*argv, "-l") == 0 ||
+ strcmp(*argv, "--listen") == 0) {
+ serv = true;
+ } else {
+ usage();
+ exit(EXIT_SUCCESS);
+ }
+ argc--;
+ argv++;
+ }
+
+ if (serv) {
+ if (ap_init(argv_dup[0])) {
+ printf("Failed to init AP.\n");
+ exit(EXIT_FAILURE);
+ }
+
+ ret = server_main();
+ } else {
+ if (ap_init(NULL)) {
+ printf("Failed to init AP.\n");
+ exit(EXIT_FAILURE);
+ }
+
+ if (client.s_apn == NULL) {
+ printf("No server specified.\n");
+ usage();
+ exit(EXIT_SUCCESS);
+ }
+ if (client.size > OPERF_BUF_SIZE) {
+ printf("Packet size truncated to %d bytes.\n",
+ OPERF_BUF_SIZE);
+ client.size = OPERF_BUF_SIZE;
+ }
+
+ if (client.size < 64) {
+ printf("Packet size set to 64 bytes.\n");
+ client.size = 64;
+ }
+
+ ret = client_main();
+ }
+
+ ap_fini();
+
+ if (ret < 0)
+ exit(EXIT_FAILURE);
+
+ exit(EXIT_SUCCESS);
+}
diff --git a/src/tools/operf/operf_client.c b/src/tools/operf/operf_client.c
new file mode 100644
index 00000000..1f6226d4
--- /dev/null
+++ b/src/tools/operf/operf_client.c
@@ -0,0 +1,248 @@
+/*
+ * Ouroboros - Copyright (C) 2016
+ *
+ * Ouroboros ping application
+ *
+ * Dimitri Staessens <dimitri.staessens@intec.ugent.be>
+ * Sander Vrijders <sander.vrijders@intec.ugent.be>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <ouroboros/dev.h>
+#include <ouroboros/time_utils.h>
+
+#ifdef __FreeBSD__
+#define __XSI_VISIBLE 500
+#endif
+
+#include <signal.h>
+#include <stdlib.h>
+#include <sys/time.h>
+#include <arpa/inet.h>
+#include <math.h>
+#include <errno.h>
+#include <float.h>
+
+void shutdown_client(int signo, siginfo_t * info, void * c)
+{
+ (void) info;
+ (void) c;
+
+ switch(signo) {
+ case SIGINT:
+ case SIGTERM:
+ case SIGHUP:
+ pthread_cancel(client.reader_pt);
+ pthread_cancel(client.writer_pt);
+ default:
+ return;
+ }
+}
+
+void * reader(void * o)
+{
+ struct timespec timeout = {2, 0};
+
+ char buf[OPERF_BUF_SIZE];
+ int fd = 0;
+ int msg_len = 0;
+
+ (void) o;
+
+ /* FIXME: use flow timeout option once we have it */
+ while (flow_event_wait(client.flows, client.fq, &timeout) != -ETIMEDOUT)
+ while ((fd = fqueue_next(client.fq)) >= 0) {
+ msg_len = flow_read(fd, buf, OPERF_BUF_SIZE);
+ if (msg_len != client.size) {
+ printf("Invalid message on fd %d.\n", fd);
+ continue;
+ }
+
+ ++client.rcvd;
+ }
+
+ return (void *) 0;
+}
+
+void * writer(void * o)
+{
+ int * fdp = (int *) o;
+ long gap = client.size * 8.0 * (BILLION / (double) client.rate);
+
+ struct timespec now;
+ struct timespec start;
+ struct timespec intv = {(gap / BILLION), gap % BILLION};
+
+ char * buf = malloc(client.size);
+ if (buf == NULL)
+ return (void *) -ENOMEM;
+
+ if (fdp == NULL)
+ return (void *) -EINVAL;
+
+ memset(buf, 0, client.size);
+
+ if (client.flood)
+ printf("Flooding %s with %d byte SDUs for %d seconds.\n\n",
+ client.s_apn, client.size, client.duration / 1000);
+ else
+ printf("Sending %d byte SDUs for %d s to %s at %.3lf Mb/s.\n\n",
+ client.size, client.duration / 1000, client.s_apn,
+ client.rate / (double) MILLION);
+
+ clock_gettime(CLOCK_REALTIME, &start);
+ clock_gettime(CLOCK_REALTIME, &now);
+
+ pthread_cleanup_push((void (*) (void *)) free, buf);
+
+ if (client.flood) {
+ while (ts_diff_ms(&start, &now) < client.duration) {
+ if (flow_write(*fdp, buf, client.size) == -1) {
+ printf("Failed to send SDU.\n");
+ flow_dealloc(*fdp);
+ free(buf);
+ return (void *) -1;
+ }
+
+ ++client.sent;
+
+ clock_gettime(CLOCK_REALTIME, &now);
+ }
+ } else {
+ while (ts_diff_ms(&start, &now) < client.duration) {
+ if (flow_write(*fdp, buf, client.size) == -1) {
+ printf("Failed to send SDU.\n");
+ flow_dealloc(*fdp);
+ free(buf);
+ return (void *) -1;
+ }
+
+ ++client.sent;
+
+ nanosleep(&intv, NULL);
+
+ clock_gettime(CLOCK_REALTIME, &now);
+ }
+ }
+
+ pthread_cleanup_pop(true);
+
+ printf("Test finished.\n");
+
+ return (void *) 0;
+}
+
+static int client_init(void)
+{
+ client.flows = flow_set_create();
+ if (client.flows == NULL)
+ return -ENOMEM;
+
+ client.fq = fqueue_create();
+ if (client.fq == NULL) {
+ flow_set_destroy(client.flows);
+ return -ENOMEM;
+ }
+
+ client.sent = 0;
+ client.rcvd = 0;
+
+ return 0;
+}
+
+void client_fini(void)
+{
+ if (client.flows != NULL)
+ flow_set_destroy(client.flows);
+
+ if (client.fq != NULL)
+ fqueue_destroy(client.fq);
+}
+
+int client_main(void)
+{
+ struct sigaction sig_act;
+
+ struct timespec tic;
+ struct timespec toc;
+
+ int fd;
+
+ memset(&sig_act, 0, sizeof sig_act);
+ sig_act.sa_sigaction = &shutdown_client;
+ sig_act.sa_flags = 0;
+
+ if (sigaction(SIGINT, &sig_act, NULL) ||
+ sigaction(SIGTERM, &sig_act, NULL) ||
+ sigaction(SIGHUP, &sig_act, NULL) ||
+ sigaction(SIGPIPE, &sig_act, NULL)) {
+ printf("Failed to install sighandler.\n");
+ return -1;
+ }
+
+ if (client_init()) {
+ printf("Failed to initialize client.\n");
+ return -1;
+ }
+
+ fd = flow_alloc(client.s_apn, NULL, NULL);
+ if (fd < 0) {
+ flow_set_destroy(client.flows);
+ fqueue_destroy(client.fq);
+ printf("Failed to allocate flow.\n");
+ return -1;
+ }
+
+ flow_set_add(client.flows, fd);
+
+ if (flow_alloc_res(fd)) {
+ printf("Flow allocation refused.\n");
+ flow_set_del(client.flows, fd);
+ flow_dealloc(fd);
+ client_fini();
+ return -1;
+ }
+
+ clock_gettime(CLOCK_REALTIME, &tic);
+
+ pthread_create(&client.reader_pt, NULL, reader, NULL);
+ pthread_create(&client.writer_pt, NULL, writer, &fd);
+
+ pthread_join(client.writer_pt, NULL);
+
+ clock_gettime(CLOCK_REALTIME, &toc);
+
+ pthread_join(client.reader_pt, NULL);
+
+ printf("\n");
+ printf("--- %s perf statistics ---\n", client.s_apn);
+ printf("%ld SDUs transmitted, ", client.sent);
+ printf("%ld received, ", client.rcvd);
+ printf("%ld%% packet loss, ", client.sent == 0 ? 0 :
+ 100 - ((100 * client.rcvd) / client.sent));
+ printf("time: %.3f ms, ", ts_diff_us(&tic, &toc) / 1000.0);
+ printf("bandwidth: %.3lf Mb/s.\n",
+ (client.rcvd * client.size * 8)
+ / (double) ts_diff_us(&tic, &toc));
+
+ flow_set_del(client.flows, fd);
+
+ flow_dealloc(fd);
+
+ client_fini();
+
+ return 0;
+}
diff --git a/src/tools/operf/operf_server.c b/src/tools/operf/operf_server.c
new file mode 100644
index 00000000..4eb93879
--- /dev/null
+++ b/src/tools/operf/operf_server.c
@@ -0,0 +1,179 @@
+/*
+ * Ouroboros - Copyright (C) 2016
+ *
+ * Ouroboros perf application
+ *
+ * Dimitri Staessens <dimitri.staessens@intec.ugent.be>
+ * Sander Vrijders <sander.vrijders@intec.ugent.be>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifdef __FreeBSD__
+#define __XSI_VISIBLE 500
+#endif
+
+#include <stdlib.h>
+#include <signal.h>
+#include <arpa/inet.h>
+
+void shutdown_server(int signo, siginfo_t * info, void * c)
+{
+ (void) info;
+ (void) c;
+
+ switch(signo) {
+ case SIGINT:
+ case SIGTERM:
+ case SIGHUP:
+ pthread_cancel(server.accept_pt);
+ default:
+ return;
+ }
+}
+
+void * cleaner_thread(void * o)
+{
+ int i = 0;
+ struct timespec now = {0, 0};
+
+ (void) o;
+
+ while (true) {
+ clock_gettime(CLOCK_REALTIME, &now);
+ pthread_mutex_lock(&server.lock);
+ for (i = 0; i < OPERF_MAX_FLOWS; ++i)
+ if (flow_set_has(server.flows, i) &&
+ ts_diff_ms(&server.times[i], &now)
+ > server.timeout) {
+ printf("Flow %d timed out.\n", i);
+ flow_set_del(server.flows, i);
+ flow_dealloc(i);
+ }
+
+ pthread_mutex_unlock(&server.lock);
+ sleep(1);
+ }
+}
+
+void * server_thread(void *o)
+{
+ int msg_len = 0;
+ struct timespec timeout = {0, 100 * MILLION};
+ struct timespec now = {0, 0};
+ int fd;
+
+ (void) o;
+
+ while (flow_event_wait(server.flows, server.fq, &timeout))
+ while ((fd = fqueue_next(server.fq)) >= 0) {
+ msg_len = flow_read(fd, server.buffer, OPERF_BUF_SIZE);
+ if (msg_len < 0)
+ continue;
+
+ clock_gettime(CLOCK_REALTIME, &now);
+
+ pthread_mutex_lock(&server.lock);
+ server.times[fd] = now;
+ pthread_mutex_unlock(&server.lock);
+
+ if (flow_write(fd, server.buffer, msg_len) < 0) {
+ printf("Error writing to flow (fd %d).\n", fd);
+ flow_dealloc(fd);
+ }
+ }
+
+ return (void *) 0;
+}
+
+void * accept_thread(void * o)
+{
+ int fd = 0;
+ struct timespec now = {0, 0};
+ struct qos_spec qs;
+
+ (void) o;
+
+ printf("Ouroboros perf server started.\n");
+
+ while (true) {
+ fd = flow_accept(NULL, &qs);
+ if (fd < 0) {
+ printf("Failed to accept flow.\n");
+ break;
+ }
+
+ printf("New flow %d.\n", fd);
+
+ if (flow_alloc_resp(fd, 0)) {
+ printf("Failed to give an allocate response.\n");
+ flow_dealloc(fd);
+ continue;
+ }
+
+ clock_gettime(CLOCK_REALTIME, &now);
+
+ pthread_mutex_lock(&server.lock);
+ flow_set_add(server.flows, fd);
+ server.times[fd] = now;
+ pthread_mutex_unlock(&server.lock);
+ }
+
+ return (void *) 0;
+}
+
+int server_main(void)
+{
+ struct sigaction sig_act;
+
+ memset(&sig_act, 0, sizeof sig_act);
+ sig_act.sa_sigaction = &shutdown_server;
+ sig_act.sa_flags = 0;
+
+ if (sigaction(SIGINT, &sig_act, NULL) ||
+ sigaction(SIGTERM, &sig_act, NULL) ||
+ sigaction(SIGHUP, &sig_act, NULL) ||
+ sigaction(SIGPIPE, &sig_act, NULL)) {
+ printf("Failed to install sighandler.\n");
+ return -1;
+ }
+
+ server.flows = flow_set_create();
+ if (server.flows == NULL)
+ return 0;
+
+ server.fq = fqueue_create();
+ if (server.fq == NULL) {
+ flow_set_destroy(server.flows);
+ return -1;
+ }
+
+ pthread_create(&server.cleaner_pt, NULL, cleaner_thread, NULL);
+ pthread_create(&server.accept_pt, NULL, accept_thread, NULL);
+ pthread_create(&server.server_pt, NULL, server_thread, NULL);
+
+ pthread_join(server.accept_pt, NULL);
+
+ pthread_cancel(server.server_pt);
+ pthread_cancel(server.cleaner_pt);
+
+ flow_set_destroy(server.flows);
+ fqueue_destroy(server.fq);
+
+ pthread_join(server.server_pt, NULL);
+ pthread_join(server.cleaner_pt, NULL);
+
+ return 0;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 19:45:36 +0000