[PATCH v2 2/5] Add helper functions for user interface

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Signed-off-by: Veronika Kabatova <vkabatov at redhat.com>
---
 ui/helpers.c | 169 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 ui/helpers.h |  31 +++++++++++
 2 files changed, 200 insertions(+)
 create mode 100644 ui/helpers.c
 create mode 100644 ui/helpers.h

diff --git a/ui/helpers.c b/ui/helpers.c
new file mode 100644
index 0000000..db71972
--- /dev/null
+++ b/ui/helpers.c
@@ -0,0 +1,169 @@
+
+#include <glib.h>
+#include <glib-unix.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "helpers.h"
+#include "ui.h"
+
+
+gint sort_ints(gconstpointer First, gconstpointer Second)
+{
+	int *first = (int *)First;
+	int *second = (int *)Second;
+	if(*first < *second) {
+		return -1;
+	}
+	if(*first == *second) {
+		return 0;
+	}
+	if(*first > *second) {
+		return 1;
+	}
+	return 1;
+}
+
+gint sort_all_cpus(gconstpointer First, gconstpointer Second)
+{
+	cpu_ban_t *first, *second;
+	first = (cpu_ban_t *)First;
+	second = (cpu_ban_t *)Second;
+
+	if(first->number < second->number) {
+		return -1;
+	}
+	if(first->number == second->number) {
+		/* This should never happen */
+		return 0;
+	}
+	if(first->number > second->number) {
+		return 1;
+	}
+	return 1;
+}
+
+gint sort_all_irqs(gconstpointer First, gconstpointer Second)
+{
+	irq_t *first, *second;
+	first = (irq_t *)First;
+	second = (irq_t *)Second;
+
+	if(first->vector < second->vector) {
+		return -1;
+	}
+	if(first->vector == second->vector) {
+		/* This should never happen */
+		return 0;
+	}
+	if(first->vector > second->vector) {
+		return 1;
+	}
+	return 1;
+}
+
+char * hex_to_bitmap(char hex_digit) {
+	uint8_t digit = 0;
+	if((hex_digit >= '0') && (hex_digit <= '9')) {
+		digit = hex_digit - '0';
+	} else if((hex_digit >= 'a') && (hex_digit <= 'f')) {
+		digit = hex_digit - 'a' + 10;
+	} else if((hex_digit >= 'A') && (hex_digit <= 'F')) {
+		digit = hex_digit - 'A' + 10;
+	} else {
+		return "0000\0";
+	}
+
+	char *bitmap = malloc(5 * sizeof(char));
+	bitmap[4] = '\0';
+	for(int i = 3; i >= 0; i--) {
+		bitmap[i] = digit % 2 ? '1' : '0';
+		digit /= 2;
+	}
+	return bitmap;
+}
+
+gpointer copy_cpu_ban(gconstpointer src, gpointer data __attribute__((unused)))
+{
+	cpu_ban_t *old = (cpu_ban_t *)src; 
+	cpu_ban_t *new = malloc(sizeof(cpu_ban_t));
+	new->number = old->number;
+	new->is_banned = old->is_banned;
+	return new;
+}
+
+gpointer copy_irq(gconstpointer src, gpointer data __attribute__((unused)))
+{
+	irq_t *old = (irq_t *)src; 
+	irq_t *new = malloc(sizeof(irq_t));
+	new->vector = old->vector;
+	new->load = old->load;
+	new->diff = old->diff;
+	new->is_banned = old->is_banned;
+	new->class = old->class;
+	new->assigned_to = g_list_copy(old->assigned_to);
+	return new;
+}
+
+void for_each_cpu(GList *list, void (*fp)(cpu_ban_t *cpu, void *data), void *data)
+{
+	GList *entry;
+	entry = g_list_first(list);
+	while(entry) {
+		fp(entry->data, data);
+		entry = g_list_next(entry);
+	}
+}
+
+void for_each_int(GList *list, void (*fp)(int *number, void *data), void *data)
+{
+	GList *entry;
+	entry = g_list_first(list);
+	while(entry) {
+		fp(entry->data, data);
+		entry = g_list_next(entry);
+	}
+}
+
+void for_each_irq(GList *list, void (*fp)(irq_t *irq, void *data), void *data)
+{
+	GList *entry;
+	entry = g_list_first(list);
+	while(entry) {
+		fp(entry->data, data);
+		entry = g_list_next(entry);
+	}
+}
+
+void for_each_node(GList *list, void (*fp)(cpu_node_t *node, void *data), void *data)
+{
+	GList *entry;
+	entry = g_list_first(list);
+	while(entry) {
+		fp(entry->data, data);
+		entry = g_list_next(entry);
+	}
+}
+
+/* Programmer debugging functions */
+
+void dump_irq(irq_t *irq, void *data __attribute__((unused)))
+{
+	printf("IRQ %d\n", irq->vector);
+}
+
+void dump_node(cpu_node_t *node, void *data __attribute__((unused)))
+{
+	printf("TYPE %d NUMBER %d\n", node->type, node->number);
+	if(g_list_length(node->irqs) > 0) {
+		for_each_irq(node->irqs, dump_irq, NULL);
+	}
+	if(g_list_length(node->children) > 0) {
+		for_each_node(node->children, dump_node, NULL);
+	}
+}
+
+void dump_tree()
+{
+	for_each_node(tree, dump_node, NULL);
+}
+
diff --git a/ui/helpers.h b/ui/helpers.h
new file mode 100644
index 0000000..b8d9fcc
--- /dev/null
+++ b/ui/helpers.h
@@ -0,0 +1,31 @@
+
+#ifndef HELPERS_H
+#define HELPERS_H
+
+#include "irqbalance-ui.h"
+
+extern GList *tree;
+
+
+/* Helper functions */
+
+gint sort_ints(gconstpointer First, gconstpointer Second);
+gint sort_all_cpus(gconstpointer First, gconstpointer Second);
+gint sort_all_irqs(gconstpointer First, gconstpointer Second);
+char * hex_to_bitmap(char hex_digit);
+gpointer copy_cpu_ban(gconstpointer src, gpointer data);
+gpointer copy_irq(gconstpointer src, gpointer data);
+void for_each_cpu(GList *list, void (*fp)(cpu_ban_t *cpu, void *data), void *data);
+void for_each_int(GList *list, void (*fp)(int *number, void *data), void *data);
+void for_each_irq(GList *list, void (*fp)(irq_t *irq, void *data), void *data);
+void for_each_node(GList *list, void (*fp)(cpu_node_t *node, void *data), void *data);
+
+
+/* Programmer debugging functions */
+
+void dump_irq(irq_t *irq, void *data __attribute__((unused)));
+void dump_node(cpu_node_t *node, void *data __attribute__((unused)));
+void dump_tree();
+
+
+#endif /* HELPERS_H */
-- 
2.7.4




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