drop legacy logger

include/villas/advio.hpp

-/** libcurl based advanced IO aka ADVIO.
- *
- * @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
- * @copyright 2014-2020, Institute for Automation of Complex Power Systems, EONERC
- * @license GNU General Public License (version 3)
- *
- * VILLAScommon
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *********************************************************************************/
-
-#pragma once
-
-#include <cstdio>
-
-#include <curl/curl.h>
-
-#include <villas/utils.hpp>
-#include <villas/exceptions.hpp>
-
-struct advio {
-	CURL *curl;
-	FILE *file;
-
-	long uploaded;		/**< Upload progress. How much has already been uploaded to the remote file. */
-	long downloaded;	/**< Download progress. How much has already been downloaded from the remote file. */
-
-	int completed:1;	/**< Was the upload completd */
-
-	unsigned char hash[SHA_DIGEST_LENGTH];
-
-	char mode[3];
-	char *uri;
-};
-
-typedef struct advio AFILE;
-
-/* The remaining functions from stdio are just replaced macros */
-#define afeof(af)			feof((af)->file)
-#define afgets(ln, sz, af)		fgets(ln, sz, (af)->file)
-#define aftell(af)			ftell((af)->file)
-#define afileno(af)			fileno((af)->file)
-#define afread(ptr, sz, nitems, af)	fread(ptr, sz, nitems, (af)->file)
-#define afwrite(ptr, sz, nitems, af)	fwrite(ptr, sz, nitems, (af)->file)
-#define afputs(ptr, af)			fputs(ptr, (af)->file)
-#define afprintf(af, fmt, ...)		fprintf((af)->file, fmt, __VA_ARGS__)
-#define afscanf(af, fmt, ...)		fprintf((af)->file, fmt, __VA_ARGS__)
-#define agetline(linep, linecapp, af)	getline(linep, linecapp, (af)->file)
-
-/* Extensions */
-#define auri(af)			((af)->uri)
-#define ahash(af)			((af)->hash)
-
-/** Check if a URI is pointing to a local file. */
-int aislocal(const char *uri);
-
-AFILE *afopen(const char *url, const char *mode);
-
-int afclose(AFILE *file);
-
-int afflush(AFILE *file);
-
-int afseek(AFILE *file, long offset, int origin);
-
-void arewind(AFILE *file);
-
-/** Download contens from remote file
- *
- * @param resume Do a partial download and append to the local file
- */
-int adownload(AFILE *af, int resume);
-
-int aupload(AFILE *af, int resume);

include/villas/hist.hpp

@@ -27,6 +27,8 @@
 
 #include <jansson.h>
 
+#include <villas/log.hpp>
+
 #define HEIGHT	(LOG_WIDTH - 55)
 #define SEQ	17
 
@@ -58,10 +60,10 @@ public:
 	double getStddev() const;
 
 	/** Print all statistical properties of distribution including a graphilcal plot of the histogram. */
-	void print(bool details) const;
+	void print(Logger logger, bool details) const;
 
 	/** Print ASCII style plot of histogram */
-	void plot() const;
+	void plot(Logger logger) const;
 
 	/** Dump histogram data in Matlab format.
 	 *

include/villas/list.h

@@ -123,8 +123,6 @@ void vlist_extend(struct vlist *l, size_t len, void *val);
 /** Remove all elements for which the callback returns a non-zero return code. */
 void vlist_filter(struct vlist *l, dtor_cb_t cb);
 
-#include <villas/log.h>
-
 /** Lookup an element from the list based on an UUID */
 template<typename T>
 T * vlist_lookup_uuid(struct vlist *l, uuid_t uuid)
@@ -158,4 +156,4 @@ ssize_t vlist_lookup_index(struct vlist *l, const std::string &name)
 	return f ? vlist_index(l, f) : -1;
 }
 
-int vlist_init_and_push(struct vlist *l, void *p);
\ No newline at end of file
+int vlist_init_and_push(struct vlist *l, void *p);

include/villas/log.h

-/** Logging and debugging routines
- *
- * @file
- * @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
- * @copyright 2014-2020, Institute for Automation of Complex Power Systems, EONERC
- * @license GNU General Public License (version 3)
- *
- * VILLAScommon
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *********************************************************************************/
-
-#pragma once
-
-#include <cstdarg>
-
-#include <jansson.h>
-
-/* The log level which is passed as first argument to print() */
-enum log_level {
-	LOG_LVL_DEBUG,
-	LOG_LVL_INFO,
-	LOG_LVL_WARN,
-	LOG_LVL_ERROR
-};
-
-/** Debug facilities.
- *
- * To be or-ed with the debug level
- */
-enum log_facilities {
-	LOG_POOL =		(1L <<  8),
-	LOG_QUEUE =		(1L <<  9),
-	LOG_CONFIG =		(1L << 10),
-	LOG_HOOK =		(1L << 11),
-	LOG_PATH =		(1L << 12),
-	LOG_NODE =		(1L << 13),
-	LOG_MEM =		(1L << 14),
-	LOG_WEB =		(1L << 15),
-	LOG_API =		(1L << 16),
-	LOG_LOG =		(1L << 17),
-	LOG_VFIO =		(1L << 18),
-	LOG_PCI =		(1L << 19),
-	LOG_XIL =		(1L << 20),
-	LOG_TC =		(1L << 21),
-	LOG_IF =		(1L << 22),
-	LOG_ADVIO =		(1L << 23),
-	LOG_IO =		(1L << 24),
-
-	/* Node-types */
-	LOG_SOCKET =		(1L << 25),
-	LOG_FILE =		(1L << 26),
-	LOG_FPGA =		(1L << 27),
-	LOG_NGSI =		(1L << 28),
-	LOG_WEBSOCKET =		(1L << 29),
-	LOG_OPAL =		(1L << 30),
-	LOG_COMEDI =		(1L << 31),
-	LOG_IB =		(1LL << 32),
-
-	/* Classes */
-	LOG_NODES = LOG_NODE | LOG_SOCKET | LOG_FILE | LOG_FPGA | LOG_NGSI | LOG_WEBSOCKET | LOG_OPAL | LOG_COMEDI | LOG_IB,
-	LOG_KERNEL = LOG_VFIO | LOG_PCI | LOG_TC | LOG_IF,
-	LOG_ALL = ~0xFF
-};
-
-int log_get_width();
-
-/** Printf alike debug message with level. */
-void debug(long long lvl, const char *fmt, ...)
-	__attribute__ ((format(printf, 2, 3)));
-
-/** Printf alike info message. */
-void info(const char *fmt, ...)
-	__attribute__ ((format(printf, 1, 2)));
-
-/** Printf alike warning message. */
-void warning(const char *fmt, ...)
-	__attribute__ ((format(printf, 1, 2)));
-
-/** Print error and exit. */
-void error(const char *fmt, ...)
-	__attribute__ ((format(printf, 1, 2)));
-
-/** Print error and strerror(errno). */
-void serror(const char *fmt, ...)
-	__attribute__ ((format(printf, 1, 2)));
-
-/** Print configuration error and exit. */
-void jerror(json_error_t *err, const char *fmt, ...)
-	__attribute__ ((format(printf, 2, 3)));

include/villas/log.hpp

@@ -65,7 +65,7 @@ public:
 	/**< Get the real usable log output width which fits into one line. */
 	int getWidth();
 
-	void parse(json_t *cfg);
+	void parse(json_t *json);
 
 	Logger get(const std::string &name);
 

include/villas/plugin.hpp

@@ -110,7 +110,7 @@ public:
 	int load(const std::string &path);
 	int unload();
 
-	virtual int parse(json_t *cfg);
+	virtual int parse(json_t *json);
 };
 
 class Plugin {

include/villas/table.hpp

@@ -30,6 +30,10 @@
 #include <vector>
 #include <string>
 
+#include <villas/log.hpp>
+
+namespace villas {
+
 class Table;
 
 class TableColumn {
@@ -78,10 +82,13 @@ protected:
 
 	std::vector<TableColumn> columns;
 
+	Logger logger;
+
 public:
-	Table(const std::vector<TableColumn> &cols) :
+	Table(Logger log, const std::vector<TableColumn> &cols) :
 		width(-1),
-		columns(cols)
+		columns(cols),
+		logger(log)
 	{ }
 
 	/** Print a table header consisting of \p n columns. */
@@ -96,4 +103,6 @@ public:
 	}
 };
 
+} /* namespace villas */
+
 /** @} */

include/villas/utils.hpp

@@ -40,7 +40,6 @@
 #include <uuid/uuid.h>
 
 #include <villas/config.h>
-#include <villas/log.h>
 
 #ifdef __GNUC__
   #define LIKELY(x)	__builtin_expect((x),1)

lib/CMakeLists.txt

@@ -21,30 +21,28 @@
 ##############################################################################
 
 add_library(villas-common SHARED
-	advio.cpp
+	base64.cpp
 	buffer.cpp
+	common.cpp
 	compat.cpp
-	hist.cpp
+	cpuset.cpp
 	dsp/pid.cpp
+	hist.cpp
 	kernel/kernel.cpp
 	kernel/rt.cpp
 	list.cpp
 	log.cpp
-	log_legacy.cpp
-	memory.cpp
 	memory_manager.cpp
+	memory.cpp
 	plugin.cpp
+	popen.cpp
 	table.cpp
 	task.cpp
+	terminal.cpp
 	timing.cpp
+	tool.cpp
 	utils.cpp
-	cpuset.cpp
-	terminal.cpp
 	version.cpp
-	common.cpp
-	tool.cpp
-	base64.cpp
-	popen.cpp
 )
 
 if(CMAKE_CXX_COMPILER_ID STREQUAL GNU)

lib/advio.cpp

-/** libcurl based advanced IO aka ADVIO.
- *
- * This example requires libcurl 7.9.7 or later.
- *
- * @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
- * @copyright 2014-2020, Institute for Automation of Complex Power Systems, EONERC
- * @license GNU General Public License (version 3)
- *
- * VILLAScommon
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *********************************************************************************/
-
-#if __GNUC__ <= 7 && !defined(__clang__)
-  #include <experimental/filesystem>
-  namespace fs = std::experimental::filesystem;
-#else
-  #include <filesystem>
-  namespace fs = std::filesystem;
-#endif
-
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cmath>
-#include <cerrno>
-#include <unistd.h>
-
-#include <curl/curl.h>
-
-#include <villas/utils.hpp>
-#include <villas/config.h>
-#include <villas/advio.hpp>
-
-using namespace villas;
-using namespace villas::utils;
-
-#define BAR_WIDTH 60 /**< How wide you want the progress meter to be. */
-
-static int advio_trace(CURL * /* handle */, curl_infotype type, char *data, size_t size, void * /* userp */)
-{
-	const char *text;
-
-	switch (type) {
-		case CURLINFO_TEXT:
-			text = "info";
-			break;
-
-		case CURLINFO_HEADER_OUT:
-			text = "send header";
-			break;
-
-		case CURLINFO_DATA_OUT:
-			text = "send data";
-			break;
-
-		case CURLINFO_HEADER_IN:
-			text = "recv header";
-			break;
-
-		case CURLINFO_DATA_IN:
-			text = "recv data";
-			break;
-
-		case CURLINFO_SSL_DATA_IN:
-			text = "recv SSL data";
-			break;
-
-		case CURLINFO_SSL_DATA_OUT:
-			text = "send SSL data";
-			break;
-
-		default: /* in case a new one is introduced to shock us */
-			return 0;
-	}
-
-	debug(LOG_ADVIO | 5, "CURL: %s: %.*s", text, (int) size-1, data);
-
-	return 0;
-}
-
-static char * advio_human_time(double t, char *buf, size_t len)
-{
-	unsigned i = 0;
-	const char *units[] = { "secs", "mins", "hrs", "days", "weeks", "months", "years" };
-	int divs[]          = {     60,     60,    24,      7,       4,       12 };
-
-	while (i < ARRAY_LEN(divs) && t > divs[i]) {
-		t /= divs[i];
-		i++;
-	}
-
-	snprintf(buf, len, "%.2f %s", t, units[i]);
-
-	return buf;
-}
-
-static char * advio_human_size(double s, char *buf, size_t len)
-{
-	unsigned i = 0;
-	const char *units[] = { "B", "kiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB", "YiB" };
-
-	while (s > 1024 && i < ARRAY_LEN(units)) {
-		s /= 1024;
-		i++;
-	}
-
-	snprintf(buf, len, "%.*f %s", i ? 2 : 0, s, units[i]);
-
-	return buf;
-}
-
-#if LIBCURL_VERSION_NUM >= 0x072000
-static int advio_xferinfo(void *p, curl_off_t dl_total_bytes, curl_off_t dl_bytes, curl_off_t ul_total_bytes, curl_off_t ul_bytes)
-{
-	struct advio *af = (struct advio *) p;
-	double cur_time, eta_time, estimated_time, frac;
-
-	curl_easy_getinfo(af->curl, CURLINFO_TOTAL_TIME, &cur_time);
-
-	/* Is this transaction an upload? */
-	int upload = ul_total_bytes > 0;
-
-	curl_off_t total_bytes = upload ? ul_total_bytes : dl_total_bytes;
-	curl_off_t bytes       = upload ? ul_bytes       : dl_bytes;
-
-	/* Are we finished? */
-	if (bytes == 0)
-		af->completed = 0;
-
-	if (af->completed)
-		return 0;
-
-	/* Ensure that the file to be downloaded is not empty
-	 * because that would cause a division by zero error later on */
-	if (total_bytes <= 0)
-		return 0;
-
-	frac = (double) bytes / total_bytes;
-
-	estimated_time = cur_time * (1.0 / frac);
-	eta_time = estimated_time - cur_time;
-
-	/* Print file sizes in human readable format */
-	char buf[4][32];
-
-	char *bytes_human = advio_human_size(bytes, buf[0], sizeof(buf[0]));
-	char *total_bytes_human = advio_human_size(total_bytes, buf[1], sizeof(buf[1]));
-	char *eta_time_human = advio_human_time(eta_time, buf[2], sizeof(buf[2]));
-
-	/* Part of the progressmeter that's already "full" */
-	int dotz = round(frac * BAR_WIDTH);
-
-	/* Progress bar */
-	fprintf(stderr, "\r[");
-
-	for (int i = 0 ; i < BAR_WIDTH; i++) {
-		if (upload)
-			fputc(BAR_WIDTH - i > dotz ? ' ' : '<', stderr);
-		else
-			fputc(i > dotz ? ' ' : '>', stderr);
-	}
-
-	fprintf(stderr, "] ");
-
-	/* Details */
-	fprintf(stderr, "eta %-12s %12s of %-12s", eta_time_human, bytes_human, total_bytes_human);
-	fflush(stderr);
-
-	if (bytes == total_bytes) {
-		af->completed = 1;
-		fprintf(stderr, "\33[2K\r");
-	}
-
-	return 0;
-}
-#endif /* LIBCURL_VERSION_NUM >= 0x072000 */
-
-int aislocal(const char *uri)
-{
-	const char *sep;
-	const char *supported_schemas[] = { "file", "http", "https", "tftp", "ftp", "scp", "sftp", "smb", "smbs" };
-
-	sep = strstr(uri, "://");
-	if (!sep)
-		return 1; /* no schema, we assume its a local file */
-
-	for (unsigned i = 0; i < ARRAY_LEN(supported_schemas); i++) {
-		if (!strncmp(supported_schemas[i], uri, sep - uri))
-			return 0;
-	}
-
-	return -1; /* none of the supported schemas match. this is an invalid uri */
-}
-
-AFILE * afopen(const char *uri, const char *mode)
-{
-	int ret;
-	const char *sep;
-
-	AFILE *af = new AFILE;
-	if (!af)
-		throw MemoryAllocationError();
-
-	memset(af, 0, sizeof(AFILE));
-
-	snprintf(af->mode, sizeof(af->mode), "%s", mode);
-
-	sep = strstr(uri, "://");
-	if (sep) {
-		af->uri = strdup(uri);
-		if (!af->uri)
-			goto out2;
-	}
-	else { /* Open local file by prepending file:// schema. */
-		if (strlen(uri) <= 1)
-			return nullptr;
-
-		/* Handle relative paths */
-		if (uri[0] != '/')
-			af->uri = strf("file://%s/%s", fs::current_path().c_str(), uri);
-		else
-			af->uri = strf("file://%s", uri);
-	}
-
-	af->file = tmpfile();
-	if (!af->file)
-		goto out2;
-
-	af->curl = curl_easy_init();
-	if (!af->curl)
-		goto out1;
-
-	/* Setup libcurl handle */
-	curl_easy_setopt(af->curl, CURLOPT_FOLLOWLOCATION, 1L);
-	curl_easy_setopt(af->curl, CURLOPT_UPLOAD, 0L);
-	curl_easy_setopt(af->curl, CURLOPT_USERAGENT, HTTP_USER_AGENT);
-	curl_easy_setopt(af->curl, CURLOPT_URL, af->uri);
-	curl_easy_setopt(af->curl, CURLOPT_WRITEDATA, af->file);
-	curl_easy_setopt(af->curl, CURLOPT_READDATA, af->file);
-
-	curl_easy_setopt(af->curl, CURLOPT_DEBUGFUNCTION, advio_trace);
-	curl_easy_setopt(af->curl, CURLOPT_VERBOSE, 1);
-
-/* CURLOPT_XFERINFOFUNCTION is only supported on libcurl >= 7.32.0 */
-#if LIBCURL_VERSION_NUM >= 0x072000
-		curl_easy_setopt(af->curl, CURLOPT_XFERINFOFUNCTION, advio_xferinfo);
-		curl_easy_setopt(af->curl, CURLOPT_XFERINFODATA, af);
-#endif /* LIBCURL_VERSION_NUM >= 0x072000 */
-
-	ret = adownload(af, 0);
-	if (ret)
-		goto out0;
-
-	af->uploaded = 0;
-	af->downloaded = 0;
-
-	return af;
-
-out0:	curl_easy_cleanup(af->curl);
-out1:	fclose(af->file);
-out2:	free(af->uri);
-
-	delete af;
-
-	return nullptr;
-}
-
-int afclose(AFILE *af)
-{
-	int ret;
-
-	ret = afflush(af);
-	if (ret)
-		return ret;
-
-	curl_easy_cleanup(af->curl);
-
-	ret = fclose(af->file);
-	if (ret)
-		return ret;
-
-	free(af->uri);
-
-	delete af;
-
-	return 0;
-}
-
-int afseek(AFILE *af, long offset, int origin)
-{
-	long new_seek, cur_seek = aftell(af);
-
-	switch (origin) {
-		case SEEK_SET: