network: add tcp test

JIRA: CI-343

network/Makefile

@@ -0,0 +1,5 @@
+NAME := test-network
+LOCAL_SRCS := test-network.c
+DEP_LIBS := unity
+
+include $(binary.mk)

network/network.py

@@ -0,0 +1,166 @@
+import random
+import time
+import re
+import socket
+import subprocess
+
+from typing import Optional
+import psh.tools.psh as psh
+from trunner.ctx import TestContext
+from trunner.dut import Dut
+from trunner.types import TestResult, Status
+
+
+def host_interface():
+    out = subprocess.run(
+        "ifconfig",
+        encoding="ascii",
+        stdout=subprocess.PIPE,
+        stderr=subprocess.STDOUT,
+        check=True,
+    )
+
+    eth_device = re.findall("eth[0-9]:.+\n.+[0-9]+", out.stdout)
+    inet = re.findall("inet [0-9.]+", str(eth_device))
+    netmask = re.findall("netmask [0-9.]+", str(eth_device))
+
+    host_setup = inet + netmask
+    return host_setup
+
+
+def en_setup(
+    p,
+    eth="en1",
+    up: Optional[bool] = True,
+    wan: Optional[bool] = False,
+    ip: Optional[str] = None,
+    dynamic: Optional[bool] = False,
+):
+    """
+    This setup is used to create links with the ethernet interface using ifconfig and route.
+    It is strictly connected with the host IP because the setup will take it as a new IP for the
+    target with light modification.
+    up:      It indicates that you want this interface to be active.
+    wan:     It sets the default gateway using host parameters
+    ip:      It is determinate custom set ip for interface
+    dynamic: If True it will set ifconfig with dynamic flag, without netmask and ip
+    """
+
+    host_ip, host_netmask = host_interface()
+
+    if ip is None:
+        ip_split = re.findall(r"([0-9]{1,3})", host_ip)
+        if int(ip_split[3]) >= 100:
+            ip_split[3] = "150"
+        else:
+            ip_split[3] = "1" + ip_split[3]
+
+        desired_target_ip = ".".join(ip_split)
+        ip_split[3] = "1"
+        default_gw = ".".join(ip_split)
+
+    else:
+        desired_target_ip = ip
+        ip_split = re.findall(r"([0-9]{1,3})", ip)
+        ip_split[3] = "1"
+        default_gw = ".".join(ip_split)
+
+    ifconfig_setup_cmd = f"ifconfig {eth} {desired_target_ip} {host_netmask} "
+
+    if wan:
+        route_setup_cmd = f"route add default gw {default_gw} {eth}"
+
+    if up:
+        ifconfig_setup_cmd += "up "
+
+    if not dynamic:
+        # psh._send(p, ifconfig_setup_cmd + '\n')
+        psh.assert_prompt_after_cmd(p, ifconfig_setup_cmd, "success")
+        if wan:
+            psh.assert_prompt_after_cmd(p, route_setup_cmd, "success")
+    else:
+        psh.assert_prompt_after_cmd(p, "ifconfig en1 dynamic", "success")
+
+    time.sleep(1)
+
+
+def con_setup(dut: Dut, host_ip, host_port):
+    print("con setup")
+    host_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    host_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+
+    if host_socket.bind((host_ip, host_port)) is not None:
+        print('bind failed')
+
+    host_socket.listen()
+
+    dut.sendline('/bin/test-network ' + host_ip + '\n')
+
+    peer_socket, peer_address = host_socket.accept()
+
+    host_socket.close()
+
+    return peer_socket, peer_address
+
+
+def harness(dut: Dut, ctx: TestContext, result: TestResult):
+    assert_re = r"ASSERTION (?P<path>[\S]+):(?P<line>\d+):(?P<status>FAIL|INFO|IGNORE): (?P<msg>.*?)\r"
+    result_re = r"TEST\((?P<group>\w+), (?P<name>\w+)\) (?P<status>PASS|IGNORE)"
+    # Fail need to have its own regex due to greedy matching
+    result_fail_re = r"TEST\((?P<group>\w+), (?P<name>\w+)\) (?P<status>FAIL) at (?P<path>.*?):(?P<line>\d+)\r"
+    final_re = r"(?P<total>\d+) Tests (?P<fail>\d+) Failures (?P<ignore>\d+) Ignored \r+\n(?P<result>OK|FAIL)"
+
+    last_assertion = {}
+    stats = {"FAIL": 0, "IGNORE": 0, "PASS": 0}
+    results = []
+    timeout_val = 30
+    if ctx.nightly:
+        timeout_val = 60
+
+    ipv4_pattern = r'\b(?:\d{1,3}\.){3}\d{1,3}\b'
+
+    host_ip = re.findall(ipv4_pattern, host_interface()[0])[0]
+    en_setup(dut)
+    peer_socket, peer_address = con_setup(dut, host_ip, 1025)
+    random_bytes = bytes([random.randint(0, 255) for _ in range(128)])
+    peer_socket.send(random_bytes)
+
+    while True:
+        idx = dut.expect([assert_re, result_re, result_fail_re, final_re], timeout=timeout_val)
+        parsed = dut.match.groupdict()
+
+        if idx == 0:
+            if parsed["status"] in ["FAIL", "IGNORE"]:
+                last_assertion = parsed
+        elif idx in (1, 2):
+            if last_assertion:
+                parsed["msg"] = last_assertion["msg"]
+                last_assertion = {}
+
+            status = Status.from_str(parsed["status"])
+            subname = f"{parsed['group']}.{parsed['name']}"
+            if "path" in parsed and "line" in parsed:
+                parsed["msg"] = f"[{parsed['path']}:{parsed['line']}] " + parsed["msg"]
+            result.add_subresult(subname, status, parsed.get("msg", ""))
+
+            stats[parsed["status"]] += 1
+            results.append(parsed)
+        elif idx == 3:
+            for k, v in parsed.items():
+                if k != "result":
+                    parsed[k] = int(v)
+
+            assert (
+                parsed["total"] == sum(stats.values())
+                and parsed["fail"] == stats["FAIL"]
+                and parsed["ignore"] == stats["IGNORE"]
+            ), "".join(("There is a mismatch between the number of parsed tests and overall results!\n",
+                        "Parsed results from the final Unity message (total, failed, ignored): ",
+                        f"{parsed['total']}, {parsed['fail']}, {parsed['ignore']}\n",
+                        "Found test summary lines (total, failed, ignored): ",
+                        f"{sum(stats.values())}, {stats['FAIL']}, {stats['IGNORE']}"))
+
+            break
+
+    status = Status.FAIL if stats["FAIL"] != 0 else Status.OK
+    return TestResult(status=status)

network/test-network.c

@@ -0,0 +1,110 @@
+/*
+ * Phoenix-RTOS
+ *
+ * test-network-client
+ *
+ * network tests
+ *
+ * Copyright 2024 Phoenix Systems
+ * Author: Adam Debek
+ *
+ * This file is part of Phoenix-RTOS.
+ *
+ * %LICENSE%
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <arpa/inet.h>
+#include <sys/socket.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/time.h>
+#include <sys/wait.h>
+#include <unity_fixture.h>
+
+int8_t send_data[128];
+int8_t recv_data[128];
+char *peer_ip;
+
+
+TEST_GROUP(test_network);
+
+
+TEST_SETUP(test_network)
+{
+}
+
+
+TEST_TEAR_DOWN(test_network)
+{
+}
+
+
+TEST(test_network, basic)
+{
+	int fd;
+	size_t n, r, i;
+	struct sockaddr_in si;
+
+	memset(&si, 0, sizeof si);
+	si.sin_family = AF_INET;
+	si.sin_addr.s_addr = inet_addr(peer_ip);
+	si.sin_port = htons(1025);
+
+	fd = socket(AF_INET, SOCK_STREAM, 0);
+	TEST_ASSERT(fd > 0);
+
+	if (connect(fd, (struct sockaddr *)&si, sizeof(si)) < 0) {
+		perror("connect");
+		FAIL("connect");
+	}
+
+	r = read(fd, recv_data, sizeof(recv_data));
+	if (r < 0 && errno == EPIPE) {
+		FAIL("peer closed connection");
+	}
+	TEST_ASSERT(r == sizeof(recv_data));
+
+	srandom(time(NULL));
+
+	for (i = 0; i < sizeof(send_data); i++) {
+		send_data[i] = recv_data[i] + 1;
+	}
+
+	n = send(fd, send_data, sizeof(send_data), MSG_NOSIGNAL);
+	if (n < 0 && errno == EPIPE) {
+		FAIL("peer closed connection");
+	}
+	TEST_ASSERT(n == sizeof(send_data));
+
+	close(fd);
+}
+
+
+TEST_GROUP_RUNNER(test_network)
+{
+	RUN_TEST_CASE(test_network, basic);
+}
+
+void runner(void)
+{
+	RUN_TEST_GROUP(test_network);
+}
+
+
+int main(int argc, char *argv[])
+{
+	if (argc == 2 && argv[1] != NULL) {
+		peer_ip = argv[1];
+	}
+	else {
+		fprintf(stderr, "Usage: %s <ip>\n", argv[0]);
+		exit(EXIT_FAILURE);
+	}
+
+	UnityMain(argc, (const char **)argv, runner);
+
+	return 0;
+}

network/test.yaml

@@ -0,0 +1,7 @@
+test:
+  type: harness
+  harness: network.py
+  targets:
+    value: [armv7a7-imx6ull-evk]
+  tests:
+    - name: test-network