Simple bulk TCP test
Send 8 MiB from one socket to another, anticipating short writes and short reads from sockets. Fix #2989
This commit is contained in:
Christian Helmuth
parent
f65a7650c5
commit
c697fb6345
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@ -0,0 +1,112 @@
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create_boot_directory
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append build_components {
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core init
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drivers/timer
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server/nic_bridge
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server/nic_loopback
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test/tcp
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}
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append_socket_fs_build_components
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build $build_components
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append config {
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<config verbose="yes">
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<parent-provides>
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<service name="ROM"/>
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<service name="IRQ"/>
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<service name="IO_MEM"/>
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<service name="IO_PORT"/>
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<service name="PD"/>
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<service name="RM"/>
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<service name="CPU"/>
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<service name="LOG"/>
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</parent-provides>
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<default-route>
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<any-service> <parent/> <any-child/> </any-service>
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</default-route>
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<default caps="256"/>
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<start name="timer">
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<resource name="RAM" quantum="1M"/>
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<provides> <service name="Timer"/> </provides>
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</start>
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<start name="nic_loopback">
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<resource name="RAM" quantum="1M"/>
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<provides> <service name="Nic"/> </provides>
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</start>
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<start name="nic_bridge">
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<resource name="RAM" quantum="4M"/>
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<provides><service name="Nic"/></provides>
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<config verbose="no">
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<policy label_prefix="recv" ip_addr="192.168.1.1" />
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<policy label_prefix="send" ip_addr="192.168.1.2" />
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</config>
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<route>
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<service name="Nic"> <child name="nic_loopback"/> </service>
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<any-service> <parent/> <any-child/> </any-service>
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</route>
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</start>
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<start name="recv">
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<binary name="test-tcp"/>
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<resource name="RAM" quantum="32M"/>
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<config>
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<arg value="recv"/>
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<libc stdout="/log" stderr="/log" socket="/sockets"/>
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<vfs>
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<log/>
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<dir name="sockets">
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<} [socket_fs_plugin] { ip_addr="192.168.1.1" netmask="255.255.255.0"/>
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</dir>
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</vfs>
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</config>
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<route>
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<service name="Nic"> <child name="nic_bridge"/> </service>
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<any-service> <parent/> <any-child/> </any-service>
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</route>
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</start>
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<start name="send">
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<binary name="test-tcp"/>
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<resource name="RAM" quantum="32M"/>
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<config>
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<arg value="send"/>
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<arg value="192.168.1.1"/>
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<libc stdout="/log" stderr="/log" socket="/sockets"/>
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<vfs>
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<log/>
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<dir name="sockets">
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<} [socket_fs_plugin] { ip_addr="192.168.1.2" netmask="255.255.255.0"/>
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</dir>
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</vfs>
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</config>
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<route>
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<service name="Nic"> <child name="nic_bridge"/> </service>
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<any-service> <parent/> <any-child/> </any-service>
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</route>
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</start>
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</config>
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}
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install_config $config
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append boot_modules {
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core ld.lib.so init timer
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nic_bridge
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nic_loopback
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posix.lib.so libc.lib.so libm.lib.so vfs.lib.so vfs_lwip.lib.so
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test-tcp
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}
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append_socket_fs_boot_modules
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build_boot_image $boot_modules
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append qemu_args " -nographic"
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run_genode_until {child "recv" exited with exit value 0} 240
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# vi: set ft=tcl :
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@ -0,0 +1,2 @@
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source ${genode_dir}/repos/libports/run/vfs_lwip.inc
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source ${genode_dir}/repos/libports/run/tcp_bulk.inc
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source ${genode_dir}/repos/dde_linux/run/vfs_lxip.inc
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source ${genode_dir}/repos/libports/run/tcp_bulk.inc
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@ -0,0 +1,167 @@
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/*
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* \brief Libc tcp send and recv test
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* \author Emery Hemingway
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* \date 2018-09-17
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*/
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/*
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* Copyright (C) 2018 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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/* Libc includes */
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#include <arpa/inet.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <netinet/in.h>
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#include <pwd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <unistd.h>
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/* PCG includes */
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#include <pcg_variants.h>
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enum { NUM_TEST_INTS = 1<<20, BULK_ITERATIONS = 2 };
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static uint32_t data[NUM_TEST_INTS];
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int test_send(char const *host)
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{
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usleep(1000000);
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int sock = socket(AF_INET, SOCK_STREAM, 0);
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if (sock < 0) {
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perror("`socket` failed");
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return sock;
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}
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{
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struct sockaddr_in addr;
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addr.sin_family = AF_INET;
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addr.sin_addr.s_addr = inet_addr(host);
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addr.sin_port = htons(2);
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fprintf(stderr, "connect to %s\n", host);
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if (connect(sock, (struct sockaddr *)&addr, sizeof(addr))) {
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perror("`connect` failed");
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return ~0;
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}
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}
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pcg32_random_t rng = PCG32_INITIALIZER;
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for (int j = 0; j < BULK_ITERATIONS; ++j) {
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for (size_t i = 0; i < NUM_TEST_INTS; ++i)
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data[i] = pcg32_random_r(&rng);
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size_t total = sizeof(data);
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size_t offset = 0;
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char *buf = (char *)data;
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while (offset < total) {
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ssize_t res = send(sock, buf+offset, total-offset, 0);
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if (res < 1) {
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perror("send failed");
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return -1;
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}
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offset += res;
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}
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}
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fprintf(stderr, "close server\n");
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shutdown(sock, SHUT_RDWR);
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usleep(10000000);
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return 0;
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}
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int test_recv()
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{
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int sock = socket(AF_INET, SOCK_STREAM, 0);
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if (sock < 0) {
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perror("`socket` failed");
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return sock;
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}
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{
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struct sockaddr_in addr;
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addr.sin_family = AF_INET;
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addr.sin_addr.s_addr = INADDR_ANY;
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addr.sin_port = htons(2);
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if (bind(sock, (struct sockaddr *)&addr, sizeof(addr))) {
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perror("`bind` failed");
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return ~0;
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}
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}
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if (listen(sock, 1)) {
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perror("listen broke");
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}
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for (;;) {
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char string[INET_ADDRSTRLEN];
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struct sockaddr_in addr;
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socklen_t super_socket_safety = sizeof(addr);
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int client = accept(sock, (struct sockaddr*)&addr, &super_socket_safety);
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if (client < 0) {
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perror("invalid socket from accept!");
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return ~0;
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}
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inet_ntop(AF_INET, &(addr.sin_addr), string, super_socket_safety);
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fprintf(stderr, "recv from %s\n", string);
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pcg32_random_t rng = PCG32_INITIALIZER;
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for (int j = 0; j < BULK_ITERATIONS; ++j) {
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size_t total = sizeof(data);
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size_t offset = 0;
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char *buf = (char *)data;
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while (offset < total) {
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ssize_t res = recv(client, buf+offset, total-offset, 0);
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if (res < 1) {
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perror("recv failed");
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return ~0;
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}
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offset += res;
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}
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for (size_t i = 0; i < NUM_TEST_INTS; ++i) {
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if (data[i] != pcg32_random_r(&rng)) {
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fprintf(stderr, "bad data at byte offset %ld\n", i<<2);
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return ~0;
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}
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}
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}
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fprintf(stderr, "close client\n");
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shutdown(client, SHUT_RDWR);
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return 0;
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}
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}
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int main(int argc, char **argv)
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{
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if (argc < 1) {
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fprintf(stderr, "no test name passed thru argv\n");
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return ~0;
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}
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if (argc < 2) {
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if (strcmp(argv[0], "recv") == 0)
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return test_recv();
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}
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if (argc < 3) {
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if (strcmp(argv[0], "send") == 0)
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return test_send(argv[1]);
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}
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fprintf(stderr, "\"%s\" not a valid test\n", argv[0]);
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return ~0;
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}
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@ -0,0 +1,5 @@
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TARGET = test-tcp
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LIBS += posix libc libpcg_random
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SRC_C += main.c
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CC_CXX_WARN_STRICT =
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