improve check driver of log

1. add llt for log
2. improve init driver of log
Signed-off-by: Nhaozi007 <liuhao27@huawei.com>

lcr.spec

 %global _version 2.0.2
-%global _release 20200526.162423.gitf1095eab
+%global _release 20200609.145938.gita2be0373
 %global _inner_name isula_libutils
 
 Name:      lcr

tests/json_llt.cpp

@@ -33,11 +33,11 @@
 TEST(json_testcase, test_oci_runtime_spec_hooks)
 {
     const char *fname = "./ocihook.json";
-    oci_runtime_spec_hooks *hooks = NULL;
+    oci_runtime_spec_hooks *hooks = nullptr;
     parser_error jerr = nullptr;
     char *jstr = nullptr;
 
-    hooks = oci_runtime_spec_hooks_parse_file(fname, NULL, &jerr);
+    hooks = oci_runtime_spec_hooks_parse_file(fname, nullptr, &jerr);
     ASSERT_EQ(jerr, nullptr) << "parse hook failed: " << jerr;
     ASSERT_NE(hooks, nullptr);
 
@@ -82,11 +82,22 @@ TEST(json_testcase, test_oci_runtime_spec_hooks)
 TEST(json_testcase, test_json_readfile)
 {
     const char *fname = "./ocihook.json";
-    char *jstr = NULL;
+    const char *not_exist = "/tmp/not_exist.json";
+    char *jstr = nullptr;
     size_t len = 0;
 
     jstr = read_file(fname, &len);
     ASSERT_NE(jstr, nullptr);
     ASSERT_EQ(len, 527);
+    free(jstr);
+    len = 0;
+
+    jstr = read_file(not_exist, &len);
+    ASSERT_EQ(jstr, nullptr);
+    ASSERT_EQ(len, 0);
+    len = 0;
+
+    jstr = read_file(nullptr, nullptr);
+    ASSERT_EQ(jstr, nullptr);
 }
 

tests/log_llt.cpp

@@ -42,7 +42,7 @@ TEST(log_testcases, test_isula_libutils_default_log_config)
     ASSERT_EQ(tconf.file, nullptr);
     ASSERT_EQ(tconf.driver, nullptr);
     EXPECT_STREQ(name, tconf.name);
-    EXPECT_STREQ("FATAL", tconf.priority);
+    EXPECT_STREQ("NOTSET", tconf.priority);
 
     // not quiet configs check
     tconf.quiet = false;
@@ -79,28 +79,65 @@ TEST(log_testcases, test_isula_libutils_log_enable)
     struct isula_libutils_log_config tconf = {0};
     const char *prefix = "fake";
     const char *prio = "INFO";
+    const char *invalid_prio = "INVALID";
     const char *fname = "/tmp/fake.fifo";
     int fd = -1;
+    int ret = 0;
+
+    ret = isula_libutils_log_enable(nullptr);
+    ASSERT_NE(ret, 0);
+    fd = isula_libutils_get_log_fd();
+    ASSERT_EQ(fd, -1);
 
     tconf.driver = ISULA_LOG_DRIVER_FIFO;
     tconf.prefix = prefix;
     tconf.priority = prio;
+    tconf.file = nullptr;
+    ret = isula_libutils_log_enable(&tconf);
+    ASSERT_NE(ret, 0);
+    fd = isula_libutils_get_log_fd();
+    ASSERT_EQ(fd, -1);
+
+    tconf.driver = nullptr;
+    tconf.prefix = prefix;
+    tconf.priority = prio;
     tconf.file = fname;
-    isula_libutils_log_enable(&tconf);
+    ret = isula_libutils_log_enable(&tconf);
+    ASSERT_EQ(ret, 0);
+    fd = isula_libutils_get_log_fd();
+    ASSERT_EQ(fd, -1);
 
+    tconf.driver = ISULA_LOG_DRIVER_FIFO;
+    tconf.prefix = prefix;
+    tconf.priority = invalid_prio;
+    tconf.file = fname;
+    ret = isula_libutils_log_enable(&tconf);
+    ASSERT_EQ(ret, 0);
     fd = isula_libutils_get_log_fd();
     ASSERT_GE(fd, 0);
+    DEBUG("debug log");
+    check_log(fd, false, false, "debug log");
+    isula_libutils_log_disable();
 
+    tconf.driver = ISULA_LOG_DRIVER_FIFO;
+    tconf.prefix = prefix;
+    tconf.priority = prio;
+    tconf.file = fname;
+    ret = isula_libutils_log_enable(&tconf);
+    ASSERT_EQ(ret, 0);
+    fd = isula_libutils_get_log_fd();
+    ASSERT_GE(fd, 0);
     INFO("info log");
     check_log(fd, true, true, "info log");
-
     DEBUG("debug log");
     check_log(fd, false, false, "debug log");
+    isula_libutils_log_disable();
 }
 
 TEST(log_testcases, test_isula_libutils_log_prefix)
 {
     struct isula_libutils_log_config tconf = {0};
+    const char *default_prefix = "iSula";
     const char *prefix = "prefix";
     const char *prio = "INFO";
     const char *fname = "/tmp/fake.fifo";
@@ -121,5 +158,15 @@ TEST(log_testcases, test_isula_libutils_log_prefix)
     isula_libutils_free_log_prefix();
     INFO("fake log");
     check_log(fd, true, false, prefix);
+    INFO("fake log");
+    check_log(fd, true, true, default_prefix);
+
+    isula_libutils_set_log_prefix(nullptr);
+    INFO("fake log");
+    check_log(fd, true, true, default_prefix);
+
+    isula_libutils_set_log_prefix("");
+    INFO("fake log");
+    check_log(fd, true, true, default_prefix);
 }
 

third_party/log.c

@@ -79,7 +79,8 @@ void isula_libutils_default_log_config(const char *name, struct isula_libutils_l
 {
     log->name = name;
     log->file = NULL;
-    log->priority = "FATAL";
+    // use to disable log
+    log->priority = "NOTSET";
     if (!log->quiet) {
         log->driver = ISULA_LOG_DRIVER_STDOUT;
     }
@@ -87,7 +88,7 @@ void isula_libutils_default_log_config(const char *name, struct isula_libutils_l
 
 void isula_libutils_set_log_prefix(const char *prefix)
 {
-    if (prefix == NULL) {
+    if (prefix == NULL || strlen(prefix) == 0) {
         return;
     }
 
@@ -336,12 +337,45 @@ static int open_fifo(const char *fifo_path)
     return fifo_fd;
 }
 
-static bool check_log_driver(const struct isula_libutils_log_config *log)
+static void clean_pre_init()
+{
+    g_lxc_log_category_lxc.appender = &log_appender_stderr;
+    g_lxc_log_category_lxc.priority = LXC_LOG_LEVEL_ERROR;
+}
+
+static bool init_log_file(const char *fname)
+{
+    if (fname == NULL) {
+        return false;
+    }
+    if (strcmp(fname, "none") == 0) {
+        return true;
+    }
+    if (lcr_util_build_dir(fname) != 0) {
+        CMD_SYSERROR("build log path \"%s\" failed", fname);
+        goto clean_out;
+    }
+    g_lxc_log_fd = open_fifo(fname);
+    if (g_lxc_log_fd == -1) {
+        CMD_SYSERROR("Open log fifo \"%s\" failed", fname);
+        goto clean_out;
+    }
+
+    free(log_fname);
+    log_fname = lcr_util_strdup_s(fname);
+    return true;
+clean_out:
+    clean_pre_init();
+    return false;
+}
+
+static bool choice_log_driver(const struct isula_libutils_log_config *log)
 {
     bool is_fifo = false;
 
     // if driver is null, mean disable log
     if (log->driver == NULL) {
+        g_lxc_log_category_lxc.priority = LXC_LOG_LEVEL_NOTSET;
         return true;
     }
 	g_lxc_log_category_lxc.appender = &log_appender_logfile;
@@ -350,10 +384,11 @@ static bool check_log_driver(const struct isula_libutils_log_config *log)
 
     // if set file, only use log_append_logfile
     // we only support fifo driver with file
-    if (log->file != NULL) {
-        return is_fifo;
-    }
     if (is_fifo) {
+        return init_log_file(log->file);
+    }
+    if (log->file != NULL) {
+        clean_pre_init();
         return false;
     }
 
@@ -363,16 +398,8 @@ static bool check_log_driver(const struct isula_libutils_log_config *log)
     return true;
 }
 
-static void clean_pre_init()
-{
-    g_lxc_log_category_lxc.appender = &log_appender_stderr;
-
-	g_lxc_log_category_lxc.priority = LXC_LOG_LEVEL_ERROR;
-}
-
 int isula_libutils_log_enable(const struct isula_libutils_log_config *log)
 {
-	int ret = 0;
 	int lxc_priority = LXC_LOG_LEVEL_ERROR;
 
 	if (log == NULL)
@@ -383,7 +410,7 @@ int isula_libutils_log_enable(const struct isula_libutils_log_config *log)
 		return 0;
 	}
 
-    if (!check_log_driver(log)) {
+    if (!choice_log_driver(log)) {
         COMMAND_ERROR("Invalid log config of driver");
         return -1;
     }
@@ -395,29 +422,8 @@ int isula_libutils_log_enable(const struct isula_libutils_log_config *log)
 
     isula_libutils_set_log_prefix(log->prefix != NULL ? log->prefix : log->name);
 
-	if (log->file) {
-		if (strcmp(log->file, "none") == 0) {
-            ret = 0;
-            goto clean_out;
-        }
-        if (lcr_util_build_dir(log->file) != 0) {
-            CMD_SYSERROR("build log path \"%s\" failed", log->file);
-            ret = -1;
-            goto clean_out;
-        }
-        g_lxc_log_fd = open_fifo(log->file);
-        if (g_lxc_log_fd == -1) {
-            CMD_SYSERROR("Open log fifo \"%s\" failed", log->file);
-            ret = -1;
-            goto clean_out;
-        }
-        log_fname = lcr_util_strdup_s(log->file);
-	}
 
 	return 0;
-clean_out:
-    clean_pre_init();
-    return ret;
 }
 
 static inline void lxc_log_close(void)

third_party/log.h

@@ -448,6 +448,7 @@ void isula_libutils_default_log_config(const char *name, struct isula_libutils_l
 int isula_libutils_log_enable(const struct isula_libutils_log_config *log);
 void isula_libutils_set_log_prefix(const char *prefix);
 void isula_libutils_free_log_prefix(void);
+void isula_libutils_log_disable();
 
 int isula_libutils_get_log_fd(void);
 

tools/static_check

@@ -91,7 +91,7 @@ function pclint_check() {
     local start_time=$(date +%s)
     local files
     if [[ ${1} == "all" ]]; then
-        files=$(find ./src ./test -regextype posix-extended -regex ".*\.(c|cc)")
+        files=$(find ./src ./tests -regextype posix-extended -regex ".*\.(c|cc)")
     else
         files=$(git diff --name-only HEAD | grep -E "*.c$")
     fi
@@ -157,7 +157,7 @@ function codestyle_check() {
     local start_time=$(date +%s)
     local files
     if [[ ${1} == "all" ]]; then
-        files=$(find ./src ./test -regextype posix-extended -regex ".*\.(h|c|cc)")
+        files=$(find ./src ./tests -regextype posix-extended -regex ".*\.(h|c|cc)")
     else
         files=$(git diff --name-only HEAD | grep -E "*.h$|*.c$|*.cc$")
     fi
@@ -313,7 +313,7 @@ function astyle_format() {
     /_/  |_|/____/ /_/     /_//_____//_____/      /_/     \____//_/ |_|/_/  /_//_/  |_|/_/ \033[0m]
 ================================================================================================="
     local start_time=$(date +%s)
-    local files=$(find ./src ./test -regextype posix-extended -regex ".*\.(h|c|cc)")
+    local files=$(find ./src ./tests -regextype posix-extended -regex ".*\.(h|c|cc)")
     files=(${files// / })
     local total=${#files[@]}
     local failure_num=0
@@ -368,7 +368,7 @@ echo -e "\
     local start_time=$(date +%s)
     local files
     if [[ ${1} == "all" ]]; then
-        files=$(find ./src ./test -regextype posix-extended -regex ".*\.(h|c|cc)")
+        files=$(find ./src ./tests -regextype posix-extended -regex ".*\.(h|c|cc)")
     else
         files=$(git diff --name-only HEAD | grep -E "*.h$|*.c$|*.cc$")
     fi
@@ -428,7 +428,7 @@ function cmetrics_check() {
     local start_time=$(date +%s)
     local files
     if [[ ${1} == "all" ]]; then
-        files=$(find ./src ./test -regextype posix-extended -regex ".*\.(h|c|cc)")
+        files=$(find ./src ./tests -regextype posix-extended -regex ".*\.(h|c|cc)")
     else
         files=$(git diff --name-only HEAD | grep -E "*.h$|*.c$|*.cc$")
     fi