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![Heinrich Schuchardt](/assets/img/avatar_default.png)
The name of the function emitting a log message may be of interest for a developer but is distracting for normal users. See the example below: try_load_entry() Booting: Debian Make the default format for log messages customizable. By default show only the message text. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Reviewed-by: Simon Glass <sjg@chromium.org>
289 lines
8.1 KiB
C
289 lines
8.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (c) 2020, Heinrich Schuchardt <xypron.glpk@gmx.de>
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*
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* Logging function tests for CONFIG_LOG_SYSLOG=y.
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*
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* Invoke the test with: ./u-boot -d arch/sandbox/dts/test.dtb
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*/
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/* Override CONFIG_LOG_MAX_LEVEL */
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#define LOG_DEBUG
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#include <common.h>
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#include <dm/device.h>
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#include <hexdump.h>
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#include <test/log.h>
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#include <test/test.h>
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#include <test/suites.h>
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#include <test/ut.h>
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#include <asm/eth.h>
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DECLARE_GLOBAL_DATA_PTR;
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#define LOGF_TEST (BIT(LOGF_FUNC) | BIT(LOGF_MSG))
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/**
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* struct sb_log_env - private data for sandbox ethernet driver
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*
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* This structure is used for the private data of the sandbox ethernet
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* driver.
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*
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* @expected: string expected to be written by the syslog driver
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* @uts: unit test state
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*/
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struct sb_log_env {
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const char *expected;
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struct unit_test_state *uts;
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};
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/**
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* sb_log_tx_handler() - transmit callback function
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*
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* This callback function is invoked when a network package is sent using the
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* sandbox Ethernet driver. The private data of the driver holds a sb_log_env
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* structure with the unit test state and the expected UDP payload.
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*
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* The following checks are executed:
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*
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* * the Ethernet packet indicates a IP broadcast message
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* * the IP header is for a local UDP broadcast message to port 514
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* * the UDP payload matches the expected string
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*
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* After testing the pointer to the expected string is set to NULL to signal
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* that the callback function has been called.
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*
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* @dev: sandbox ethernet device
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* @packet: Ethernet packet
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* @len: length of Ethernet packet
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* Return: 0 = success
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*/
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static int sb_log_tx_handler(struct udevice *dev, void *packet,
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unsigned int len)
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{
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struct eth_sandbox_priv *priv = dev_get_priv(dev);
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struct sb_log_env *env = priv->priv;
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/* uts is updated by the ut_assert* macros */
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struct unit_test_state *uts = env->uts;
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char *buf = packet;
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struct ethernet_hdr *eth_hdr = packet;
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struct ip_udp_hdr *ip_udp_hdr;
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/* Check Ethernet header */
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ut_asserteq_mem(ð_hdr->et_dest, net_bcast_ethaddr, ARP_HLEN);
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ut_asserteq(ntohs(eth_hdr->et_protlen), PROT_IP);
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/* Check IP header */
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buf += sizeof(struct ethernet_hdr);
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ip_udp_hdr = (struct ip_udp_hdr *)buf;
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ut_asserteq(ip_udp_hdr->ip_p, IPPROTO_UDP);
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ut_asserteq(ip_udp_hdr->ip_dst.s_addr, 0xffffffff);
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ut_asserteq(ntohs(ip_udp_hdr->udp_dst), 514);
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ut_asserteq(UDP_HDR_SIZE + strlen(env->expected) + 1,
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ntohs(ip_udp_hdr->udp_len));
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/* Check payload */
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buf += sizeof(struct ip_udp_hdr);
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ut_asserteq_mem(env->expected, buf,
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ntohs(ip_udp_hdr->udp_len) - UDP_HDR_SIZE);
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/* Signal that the callback function has been executed */
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env->expected = NULL;
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return 0;
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}
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/**
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* log_test_syslog_err() - test log_err() function
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*
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* @uts: unit test state
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* Return: 0 = success
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*/
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static int log_test_syslog_err(struct unit_test_state *uts)
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{
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int old_log_level = gd->default_log_level;
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struct sb_log_env env;
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gd->log_fmt = LOGF_TEST;
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gd->default_log_level = LOGL_INFO;
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env_set("ethact", "eth@10002000");
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env_set("log_hostname", "sandbox");
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env.expected = "<3>sandbox uboot: log_test_syslog_err() "
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"testing log_err\n";
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env.uts = uts;
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sandbox_eth_set_tx_handler(0, sb_log_tx_handler);
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/* Used by ut_assert macros in the tx_handler */
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sandbox_eth_set_priv(0, &env);
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log_err("testing %s\n", "log_err");
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/* Check that the callback function was called */
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sandbox_eth_set_tx_handler(0, NULL);
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gd->default_log_level = old_log_level;
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gd->log_fmt = log_get_default_format();
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return 0;
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}
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LOG_TEST(log_test_syslog_err);
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/**
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* log_test_syslog_warning() - test log_warning() function
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*
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* @uts: unit test state
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* Return: 0 = success
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*/
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static int log_test_syslog_warning(struct unit_test_state *uts)
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{
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int old_log_level = gd->default_log_level;
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struct sb_log_env env;
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gd->log_fmt = LOGF_TEST;
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gd->default_log_level = LOGL_INFO;
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env_set("ethact", "eth@10002000");
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env_set("log_hostname", "sandbox");
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env.expected = "<4>sandbox uboot: log_test_syslog_warning() "
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"testing log_warning\n";
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env.uts = uts;
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sandbox_eth_set_tx_handler(0, sb_log_tx_handler);
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/* Used by ut_assert macros in the tx_handler */
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sandbox_eth_set_priv(0, &env);
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log_warning("testing %s\n", "log_warning");
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sandbox_eth_set_tx_handler(0, NULL);
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/* Check that the callback function was called */
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ut_assertnull(env.expected);
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gd->default_log_level = old_log_level;
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gd->log_fmt = log_get_default_format();
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return 0;
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}
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LOG_TEST(log_test_syslog_warning);
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/**
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* log_test_syslog_notice() - test log_notice() function
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*
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* @uts: unit test state
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* Return: 0 = success
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*/
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static int log_test_syslog_notice(struct unit_test_state *uts)
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{
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int old_log_level = gd->default_log_level;
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struct sb_log_env env;
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gd->log_fmt = LOGF_TEST;
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gd->default_log_level = LOGL_INFO;
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env_set("ethact", "eth@10002000");
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env_set("log_hostname", "sandbox");
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env.expected = "<5>sandbox uboot: log_test_syslog_notice() "
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"testing log_notice\n";
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env.uts = uts;
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sandbox_eth_set_tx_handler(0, sb_log_tx_handler);
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/* Used by ut_assert macros in the tx_handler */
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sandbox_eth_set_priv(0, &env);
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log_notice("testing %s\n", "log_notice");
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sandbox_eth_set_tx_handler(0, NULL);
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/* Check that the callback function was called */
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ut_assertnull(env.expected);
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gd->default_log_level = old_log_level;
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gd->log_fmt = log_get_default_format();
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return 0;
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}
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LOG_TEST(log_test_syslog_notice);
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/**
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* log_test_syslog_info() - test log_info() function
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*
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* @uts: unit test state
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* Return: 0 = success
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*/
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static int log_test_syslog_info(struct unit_test_state *uts)
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{
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int old_log_level = gd->default_log_level;
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struct sb_log_env env;
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gd->log_fmt = LOGF_TEST;
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gd->default_log_level = LOGL_INFO;
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env_set("ethact", "eth@10002000");
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env_set("log_hostname", "sandbox");
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env.expected = "<6>sandbox uboot: log_test_syslog_info() "
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"testing log_info\n";
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env.uts = uts;
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sandbox_eth_set_tx_handler(0, sb_log_tx_handler);
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/* Used by ut_assert macros in the tx_handler */
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sandbox_eth_set_priv(0, &env);
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log_info("testing %s\n", "log_info");
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sandbox_eth_set_tx_handler(0, NULL);
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/* Check that the callback function was called */
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ut_assertnull(env.expected);
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gd->default_log_level = old_log_level;
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gd->log_fmt = log_get_default_format();
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return 0;
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}
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LOG_TEST(log_test_syslog_info);
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/**
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* log_test_syslog_debug() - test log_debug() function
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*
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* @uts: unit test state
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* Return: 0 = success
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*/
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static int log_test_syslog_debug(struct unit_test_state *uts)
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{
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int old_log_level = gd->default_log_level;
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struct sb_log_env env;
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gd->log_fmt = LOGF_TEST;
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gd->default_log_level = LOGL_DEBUG;
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env_set("ethact", "eth@10002000");
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env_set("log_hostname", "sandbox");
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env.expected = "<7>sandbox uboot: log_test_syslog_debug() "
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"testing log_debug\n";
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env.uts = uts;
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sandbox_eth_set_tx_handler(0, sb_log_tx_handler);
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/* Used by ut_assert macros in the tx_handler */
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sandbox_eth_set_priv(0, &env);
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log_debug("testing %s\n", "log_debug");
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sandbox_eth_set_tx_handler(0, NULL);
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/* Check that the callback function was called */
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ut_assertnull(env.expected);
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gd->default_log_level = old_log_level;
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gd->log_fmt = log_get_default_format();
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return 0;
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}
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LOG_TEST(log_test_syslog_debug);
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/**
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* log_test_syslog_nodebug() - test logging level filter
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*
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* Verify that log_debug() does not lead to a log message if the logging level
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* is set to LOGL_INFO.
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*
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* @uts: unit test state
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* Return: 0 = success
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*/
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static int log_test_syslog_nodebug(struct unit_test_state *uts)
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{
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int old_log_level = gd->default_log_level;
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struct sb_log_env env;
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gd->log_fmt = LOGF_TEST;
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gd->default_log_level = LOGL_INFO;
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env_set("ethact", "eth@10002000");
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env_set("log_hostname", "sandbox");
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env.expected = "<7>sandbox uboot: log_test_syslog_nodebug() "
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"testing log_debug\n";
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env.uts = uts;
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sandbox_eth_set_tx_handler(0, sb_log_tx_handler);
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/* Used by ut_assert macros in the tx_handler */
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sandbox_eth_set_priv(0, &env);
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log_debug("testing %s\n", "log_debug");
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sandbox_eth_set_tx_handler(0, NULL);
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/* Check that the callback function was not called */
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ut_assertnonnull(env.expected);
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gd->default_log_level = old_log_level;
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gd->log_fmt = log_get_default_format();
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return 0;
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}
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LOG_TEST(log_test_syslog_nodebug);
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