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https://git.rwth-aachen.de/acs/public/villas/node/
synced 2025-03-16 00:00:02 +01:00
reworked new logging facilities and added a unit test for it
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0b06a77c15
commit
aa62c8af99
3 changed files with 126 additions and 46 deletions
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@ -35,23 +35,27 @@ enum log_facilities {
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LOG_CONFIG = (1L << 10),
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LOG_HOOK = (1L << 11),
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LOG_PATH = (1L << 12),
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LOG_MEM = (1L << 13),
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LOG_WEB = (1L << 14),
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LOG_API = (1L << 15),
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LOG_LOG = (1L << 16),
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LOG_KERNEL = (1L << 17),
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LOG_NODE = (1L << 13),
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LOG_MEM = (1L << 14),
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LOG_WEB = (1L << 15),
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LOG_API = (1L << 16),
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LOG_LOG = (1L << 17),
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LOG_VFIO = (1L << 18),
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LOG_PCI = (1L << 19),
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LOG_XIL = (1L << 20),
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/* Node-types */
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LOG_SOCKET = (1L << 32),
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LOG_FILE = (1L << 33),
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LOG_FPGA = (1L << 34),
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LOG_NGSI = (1L << 35),
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LOG_WEBSOCKET = (1L << 36),
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LOG_OPAL = (1L << 37),
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LOG_SOCKET = (1L << 21),
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LOG_FILE = (1L << 22),
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LOG_FPGA = (1L << 23),
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LOG_NGSI = (1L << 24),
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LOG_WEBSOCKET = (1L << 25),
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LOG_OPAL = (1L << 26),
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/* Classes */
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LOG_NODE = (0xFFL << 32),
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LOG_ALL = ~0xFF
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LOG_NODES = LOG_NODE | LOG_SOCKET | LOG_FILE | LOG_FPGA | LOG_NGSI | LOG_WEBSOCKET | LOG_OPAL,
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LOG_KERNEL = LOG_VFIO | LOG_PCI,
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LOG_ALL = ~0xFF
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};
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struct log {
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@ -104,8 +108,6 @@ int log_set_facility_expression(struct log *l, const char *expression);
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/** Parse logging configuration. */
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int log_parse(struct log *l, config_setting_t *cfg);
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int log_lookup_facility(const char *facility_name);
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/** Logs variadic messages to stdout.
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*
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* @param lvl The log level
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90
lib/log.c
90
lib/log.c
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@ -5,6 +5,7 @@
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*********************************************************************************/
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#include <stdio.h>
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#include <stdbool.h>
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#include <string.h>
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#include <time.h>
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#include <errno.h>
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@ -31,9 +32,14 @@ static const char *facilities_strs[] = {
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"config", /* LOG_CONFIG */
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"hook", /* LOG_HOOK */
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"path", /* LOG_PATH */
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"node", /* LOG_NODE */
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"mem", /* LOG_MEM */
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"web", /* LOG_WEB */
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"api", /* LOG_API */
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"log", /* LOG_LOG */
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"vfio", /* LOG_VFIO */
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"pci", /* LOG_PCI */
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"xil", /* LOG_XIL */
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/* Node-types */
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"socket", /* LOG_SOCKET */
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@ -41,7 +47,7 @@ static const char *facilities_strs[] = {
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"fpga", /* LOG_FPGA */
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"ngsi", /* LOG_NGSI */
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"websocket", /* LOG_WEBSOCKET */
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"opal" /* LOG_OPAL */
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"opal", /* LOG_OPAL */
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};
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#ifdef __GNUC__
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@ -63,41 +69,49 @@ void log_outdent(int *old)
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int log_set_facility_expression(struct log *l, const char *expression)
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{
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char *copy, *facility_str;
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bool negate;
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char *copy, *token;
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long mask = 0, facilities = 0;
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enum {
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NORMAL,
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NEGATE
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} mode;
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if (strlen(expression) <= 0)
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return -1;
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if (expression[0] == '!') {
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mode = NEGATE;
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l->facilities = ~0xFF;
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}
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else {
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mode = NORMAL;
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l->facilities = 0;
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}
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copy = strdup(expression);
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facility_str = strtok(copy, ",");
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token = strtok(copy, ",");
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while (facility_str != NULL) {
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for (int i = 0; i < ARRAY_LEN(facilities_strs); i++) {
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if (strcmp(facilities_strs[i], facility_str)) {
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switch (mode) {
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case NORMAL: l->facilities |= (1 << (i+8));
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case NEGATE: l->facilities &= ~(1 << (i+8));
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while (token != NULL) {
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if (token[0] == '!') {
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token++;
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negate = true;
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}
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else
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negate = false;
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/* Check for some classes */
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if (!strcmp(token, "all"))
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mask = LOG_ALL;
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else if (!strcmp(token, "nodes"))
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mask = LOG_NODES;
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else if (!strcmp(token, "kernel"))
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mask = LOG_KERNEL;
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else {
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for (int ind = 0; ind < ARRAY_LEN(facilities_strs); ind++) {
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if (!strcmp(token, facilities_strs[ind])) {
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mask = (1 << (ind+8));
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goto found;
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}
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}
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error("Invalid log class '%s'", token);
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}
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facility_str = strtok(NULL, ",");
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found: if (negate)
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facilities &= ~mask;
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else
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facilities |= mask;
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token = strtok(NULL, ",");
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}
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l->facilities = facilities;
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free(copy);
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return l->facilities;
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@ -112,7 +126,7 @@ int log_init(struct log *l, int level, long facilitites)
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/* Register this log instance globally */
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log = l;
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debug(LOG_LOG, "Log sub-system intialized: level=%d, faciltities=%#lx", level, facilitites);
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debug(LOG_LOG | 5, "Log sub-system intialized: level=%d, faciltities=%#lx", level, facilitites);
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return 0;
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}
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@ -171,11 +185,11 @@ int log_parse(struct log *l, config_setting_t *cfg)
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const char *facilities;
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if (!config_setting_is_group(cfg))
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cerror(cfg, "Setting 'logging' must be a group.");
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cerror(cfg, "Setting 'log' must be a group.");
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config_setting_lookup_int(cfg, "level", &l->level);
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if (config_setting_lookup_string(cfg, "facilties", &facilities))
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if (config_setting_lookup_string(cfg, "facilities", &facilities))
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log_set_facility_expression(l, facilities);
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return 0;
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@ -195,6 +209,8 @@ void debug(long class, const char *fmt, ...)
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int lvl = class & 0xFF;
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int fac = class & ~0xFF;
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assert(log);
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if (((fac == 0) || (fac & log->facilities)) && (lvl <= log->level)) {
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va_start(ap, fmt);
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@ -206,6 +222,8 @@ void debug(long class, const char *fmt, ...)
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void info(const char *fmt, ...)
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{
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va_list ap;
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assert(log);
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va_start(ap, fmt);
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log_vprint(log, LOG_LVL_INFO, fmt, ap);
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@ -215,6 +233,8 @@ void info(const char *fmt, ...)
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void warn(const char *fmt, ...)
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{
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va_list ap;
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assert(log);
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va_start(ap, fmt);
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log_vprint(log, LOG_LVL_WARN, fmt, ap);
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@ -225,6 +245,8 @@ void stats(const char *fmt, ...)
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{
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va_list ap;
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assert(log);
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va_start(ap, fmt);
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log_vprint(log, LOG_LVL_STATS, fmt, ap);
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va_end(ap);
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@ -233,6 +255,8 @@ void stats(const char *fmt, ...)
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void error(const char *fmt, ...)
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{
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va_list ap;
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assert(log);
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va_start(ap, fmt);
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log_vprint(log, LOG_LVL_ERROR, fmt, ap);
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@ -246,6 +270,8 @@ void serror(const char *fmt, ...)
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va_list ap;
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char *buf = NULL;
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assert(log);
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va_start(ap, fmt);
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vstrcatf(&buf, fmt, ap);
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va_end(ap);
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@ -261,6 +287,8 @@ void cerror(config_setting_t *cfg, const char *fmt, ...)
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va_list ap;
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char *buf = NULL;
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assert(log);
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va_start(ap, fmt);
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vstrcatf(&buf, fmt, ap);
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va_end(ap);
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50
tests/log.c
Normal file
50
tests/log.c
Normal file
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@ -0,0 +1,50 @@
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/** Unit tests for log functions
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*
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* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
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* @copyright 2017, Institute for Automation of Complex Power Systems, EONERC
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*********************************************************************************/
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#include <criterion/criterion.h>
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#include <criterion/parameterized.h>
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#include "log.h"
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struct param {
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char *expression;
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long expected;
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};
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static struct log l;
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static void init()
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{
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log_init(&l, V, LOG_ALL);
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}
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static void fini()
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{
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log_destroy(&l);
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}
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ParameterizedTestParameters(log, facility_expression)
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{
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static struct param params[] = {
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{ "all,!pool", LOG_ALL & ~LOG_POOL },
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{ "pool,!pool", LOG_POOL & ~LOG_POOL },
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{ "pool,nodes,!socket", (LOG_POOL | LOG_NODES) & ~LOG_SOCKET },
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{ "kernel", LOG_KERNEL },
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{ "ngsi", LOG_NGSI },
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{ "all", LOG_ALL },
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{ "!all", 0 },
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{ "", 0 }
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};
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return cr_make_param_array(struct param, params, ARRAY_LEN(params));
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}
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ParameterizedTest(struct param *p, log, facility_expression, .init = init, .fini = fini)
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{
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log_set_facility_expression(&l, p->expression);
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cr_assert_eq(l.facilities, p->expected, "log.faciltities is %#lx not %#lx", l.facilities, p->expected);
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}
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