1 files changed, 197 insertions, 0 deletions
diff --git a/src/dpdk_lib18/librte_eal/linuxapp/eal/eal_log.c b/src/dpdk_lib18/librte_eal/linuxapp/eal/eal_log.c
new file mode 100755
index 00000000..94dedfb3
--- /dev/null
+++ b/src/dpdk_lib18/librte_eal/linuxapp/eal/eal_log.c
@@ -0,0 +1,197 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <string.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <sys/types.h>
+#include <syslog.h>
+#include <sys/queue.h>
+
+#include <rte_memory.h>
+#include <rte_memzone.h>
+#include <rte_tailq.h>
+#include <rte_eal.h>
+#include <rte_launch.h>
+#include <rte_per_lcore.h>
+#include <rte_lcore.h>
+#include <rte_spinlock.h>
+#include <rte_log.h>
+
+#include "eal_private.h"
+
+/*
+ * default log function, used once mempool (hence log history) is
+ * available
+ */
+static ssize_t
+console_log_write(__attribute__((unused)) void *c, const char *buf, size_t size)
+{
+	char copybuf[BUFSIZ + 1];
+	ssize_t ret;
+	uint32_t loglevel;
+
+	/* add this log in history */
+	rte_log_add_in_history(buf, size);
+
+	/* write on stdout */
+	ret = fwrite(buf, 1, size, stdout);
+	fflush(stdout);
+
+	/* truncate message if too big (should not happen) */
+	if (size > BUFSIZ)
+		size = BUFSIZ;
+
+	/* Syslog error levels are from 0 to 7, so subtract 1 to convert */
+	loglevel = rte_log_cur_msg_loglevel() - 1;
+	memcpy(copybuf, buf, size);
+	copybuf[size] = '\0';
+
+	/* write on syslog too */
+	syslog(loglevel, "%s", copybuf);
+
+	return ret;
+}
+
+static ssize_t
+console_log_read(__attribute__((unused)) void *c,
+		 __attribute__((unused)) char *buf,
+		 __attribute__((unused)) size_t size)
+{
+	return 0;
+}
+
+static int
+console_log_seek(__attribute__((unused)) void *c,
+		 __attribute__((unused)) off64_t *offset,
+		 __attribute__((unused)) int whence)
+{
+	return -1;
+}
+
+static int
+console_log_close(__attribute__((unused)) void *c)
+{
+	return 0;
+}
+
+static cookie_io_functions_t console_log_func = {
+	.read  = console_log_read,
+	.write = console_log_write,
+	.seek  = console_log_seek,
+	.close = console_log_close
+};
+
+/*
+ * set the log to default function, called during eal init process,
+ * once memzones are available.
+ */
+int
+rte_eal_log_init(const char *id, int facility)
+{
+	FILE *log_stream;
+
+	log_stream = fopencookie(NULL, "w+", console_log_func);
+	if (log_stream == NULL)
+		return -1;
+
+	openlog(id, LOG_NDELAY | LOG_PID, facility);
+
+	if (rte_eal_common_log_init(log_stream) < 0)
+		return -1;
+
+	return 0;
+}
+
+/* early logs */
+
+/*
+ * early log function, used during boot when mempool (hence log
+ * history) is not available
+ */
+static ssize_t
+early_log_write(__attribute__((unused)) void *c, const char *buf, size_t size)
+{
+	ssize_t ret;
+	ret = fwrite(buf, size, 1, stdout);
+	fflush(stdout);
+	if (ret == 0)
+		return -1;
+	return ret;
+}
+
+static ssize_t
+early_log_read(__attribute__((unused)) void *c,
+	       __attribute__((unused)) char *buf,
+	       __attribute__((unused)) size_t size)
+{
+	return 0;
+}
+
+static int
+early_log_seek(__attribute__((unused)) void *c,
+	       __attribute__((unused)) off64_t *offset,
+	       __attribute__((unused)) int whence)
+{
+	return -1;
+}
+
+static int
+early_log_close(__attribute__((unused)) void *c)
+{
+	return 0;
+}
+
+static cookie_io_functions_t early_log_func = {
+	.read  = early_log_read,
+	.write = early_log_write,
+	.seek  = early_log_seek,
+	.close = early_log_close
+};
+static FILE *early_log_stream;
+
+/*
+ * init the log library, called by rte_eal_init() to enable early
+ * logs
+ */
+int
+rte_eal_log_early_init(void)
+{
+	early_log_stream = fopencookie(NULL, "w+", early_log_func);
+	if (early_log_stream == NULL) {
+		printf("Cannot configure early_log_stream\n");
+		return -1;
+	}
+	rte_openlog_stream(early_log_stream);
+	return 0;
+}