/alps/pcitool : contents of pcilib/error.c at revision 414

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263 by Suren A. Chilingaryan Support pcilib_log_once calls	1	#define _BSD_SOURCE
303 by Suren A. Chilingaryan Initial integration of XML support	2	#define _DEFAULT_SOURCE
263 by Suren A. Chilingaryan Support pcilib_log_once calls	3
126 by Suren A. Chilingaryan multithread preprocessing of ipecamera frames and code reorganization	4	#include <stdio.h>
247 by Suren A. Chilingaryan New error reporting public interface	5	#include <stdlib.h>
126 by Suren A. Chilingaryan multithread preprocessing of ipecamera frames and code reorganization	6	#include <stdarg.h>
263 by Suren A. Chilingaryan Support pcilib_log_once calls	7	#include <string.h>
126 by Suren A. Chilingaryan multithread preprocessing of ipecamera frames and code reorganization	8
241 by Suren A. Chilingaryan Further adjustments to get ready for independent event plugins	9	#include "export.h"
126 by Suren A. Chilingaryan multithread preprocessing of ipecamera frames and code reorganization	10	#include "error.h"
	11
263 by Suren A. Chilingaryan Support pcilib_log_once calls	12	#define PCILIB_LOGGER_HISTORY 16
263 by Suren A. Chilingaryan Support pcilib_log_once calls	13
247 by Suren A. Chilingaryan New error reporting public interface	14	void pcilib_print_error(void arg, const char file, int line, pcilib_log_priority_t prio, const char *msg, va_list va) {
367 by Suren A. Chilingaryan Further improvements of Python scripting and web-interface API for register manipulations by Vasiliy Chernov	15	size_t size = strlen(msg) + strlen(file) + 64;
	16	char stmp = alloca(size sizeof(char*));
	17
	18	if (stmp) {
	19	sprintf(stmp, "%s [%s:%d]\n", msg, file, line);
	20	vprintf(stmp, va);
	21	} else {
	22	// Bad for multithreading...
	23	vprintf(msg, va);
	24	printf(" [%s:%d]\n", file, line);
	25	}
247 by Suren A. Chilingaryan New error reporting public interface	26	}
	27
	28	static void *pcilib_logger_argument = NULL;
	29	static pcilib_log_priority_t pcilib_logger_min_prio = PCILIB_LOG_WARNING;
	30	static pcilib_logger_t pcilib_logger = pcilib_print_error;
263 by Suren A. Chilingaryan Support pcilib_log_once calls	31	static char *pcilib_logger_history[PCILIB_LOGGER_HISTORY] = {0};
	32	static int pcilib_logger_history_pointer = 0;
	33
	34	static int pcilib_log_check_history(pcilib_log_flags_t flags, const char *msg) {
	35	int i;
	36
	37	if ((flags&PCILIB_LOG_ONCE) == 0)
	38	return 0;
	39
	40	for (i = 0; ((i < PCILIB_LOGGER_HISTORY)&&(pcilib_logger_history[i])); i++) {
	41	if (!strcmp(msg, pcilib_logger_history[i]))
	42	return -1;
	43	}
	44
	45	if (pcilib_logger_history[pcilib_logger_history_pointer])
	46	free(pcilib_logger_history[pcilib_logger_history_pointer]);
	47
	48	pcilib_logger_history[pcilib_logger_history_pointer] = strdup(msg);
	49
	50	if (++pcilib_logger_history_pointer == PCILIB_LOGGER_HISTORY)
	51	pcilib_logger_history_pointer = 0;
	52
	53	return 0;
	54	}
	55
	56	void pcilib_log_message(const char file, int line, pcilib_log_flags_t flags, pcilib_log_priority_t prio, const char msg, ...) {
126 by Suren A. Chilingaryan multithread preprocessing of ipecamera frames and code reorganization	57	va_list va;
247 by Suren A. Chilingaryan New error reporting public interface	58
250 by Suren A. Chilingaryan Provide an interface for logging debug messages	59	if ((!prio)\|\|(prio >= pcilib_logger_min_prio)) {
263 by Suren A. Chilingaryan Support pcilib_log_once calls	60	if (pcilib_log_check_history(flags, msg))
	61	return;
	62
247 by Suren A. Chilingaryan New error reporting public interface	63	va_start(va, msg);
	64	pcilib_logger(pcilib_logger_argument, file, line, prio, msg, va);
	65	va_end(va);
	66	}
126 by Suren A. Chilingaryan multithread preprocessing of ipecamera frames and code reorganization	67	}
	68
263 by Suren A. Chilingaryan Support pcilib_log_once calls	69	void pcilib_log_vmessage(const char file, int line, pcilib_log_flags_t flags, pcilib_log_priority_t prio, const char msg, va_list va) {
250 by Suren A. Chilingaryan Provide an interface for logging debug messages	70	if ((!prio)\|\|(prio >= pcilib_logger_min_prio)) {
263 by Suren A. Chilingaryan Support pcilib_log_once calls	71	if (pcilib_log_check_history(flags, msg))
	72	return;
	73
250 by Suren A. Chilingaryan Provide an interface for logging debug messages	74	pcilib_logger(pcilib_logger_argument, file, line, prio, msg, va);
	75	}
	76	}
	77
126 by Suren A. Chilingaryan multithread preprocessing of ipecamera frames and code reorganization	78
247 by Suren A. Chilingaryan New error reporting public interface	79	int pcilib_set_logger(pcilib_log_priority_t min_prio, pcilib_logger_t logger, void *arg) {
	80	pcilib_logger_min_prio = min_prio;
	81	pcilib_logger_argument = arg;
	82
	83	if (logger) pcilib_logger = logger;
	84	else logger = pcilib_print_error;
126 by Suren A. Chilingaryan multithread preprocessing of ipecamera frames and code reorganization	85
	86	return 0;
	87	}
346.1.7 by Vasilii Chernov Change error logging method in Python wrap. Move functions, that converts values between PyObject and pcilib_value_t to py.c	88
	89	pcilib_logger_t pcilib_get_logger() {
	90	return pcilib_logger;
	91	}
353 by Suren A. Chilingaryan Merge Python scripting support from Vasiliy Chernov	92
346.1.16 by Vasilii Chernov 1. Add cmake BUILD_PYTHON_MODULES option.	93	pcilib_log_priority_t pcilib_get_log_level() {
353 by Suren A. Chilingaryan Merge Python scripting support from Vasiliy Chernov	94	return pcilib_logger_min_prio;
346.1.7 by Vasilii Chernov Change error logging method in Python wrap. Move functions, that converts values between PyObject and pcilib_value_t to py.c	95	}
353 by Suren A. Chilingaryan Merge Python scripting support from Vasiliy Chernov	96
346.1.16 by Vasilii Chernov 1. Add cmake BUILD_PYTHON_MODULES option.	97	void* pcilib_get_logger_context() {
353 by Suren A. Chilingaryan Merge Python scripting support from Vasiliy Chernov	98	return pcilib_logger_argument;
346.1.7 by Vasilii Chernov Change error logging method in Python wrap. Move functions, that converts values between PyObject and pcilib_value_t to py.c	99	}