utils.c

/*
 * Copyright (c) 2024, <>
 */

#include "utils.h"

unsigned int hash_uint(void *key)
{
	unsigned int uint_key = *((unsigned int *)key);
	uint_key = ((uint_key >> 16u) ^ uint_key) * 0x45d9f3b;
	uint_key = ((uint_key >> 16u) ^ uint_key) * 0x45d9f3b;
	uint_key = (uint_key >> 16u) ^ uint_key;
	return uint_key;
}

unsigned int hash_string(void *key)
{
	unsigned char *key_string = (unsigned char *) key;
	unsigned int hash = 5381;
	int c;

	while ((c = *key_string++))
		hash = ((hash << 5u) + hash) + c;

	return hash;
}

char *get_request_type_str(request_type req_type) {
	switch (req_type) {
	case ADD_SERVER:
		return ADD_SERVER_REQUEST;
	case REMOVE_SERVER:
		return REMOVE_SERVER_REQUEST;
	case EDIT_DOCUMENT:
		return EDIT_REQUEST;
	case GET_DOCUMENT:
		return GET_REQUEST;
	}

	return NULL;
}

request_type get_request_type(char *request_type_str) {
	request_type type;

	if (!strncmp(request_type_str,
				 ADD_SERVER_REQUEST, strlen(ADD_SERVER_REQUEST)))
		type = ADD_SERVER;
	else if (!strncmp(request_type_str,
					  REMOVE_SERVER_REQUEST, strlen(REMOVE_SERVER_REQUEST)))
		type = REMOVE_SERVER;
	else if (!strncmp(request_type_str,
					  EDIT_REQUEST, strlen(EDIT_REQUEST)))
		type = EDIT_DOCUMENT;
	else if (!strncmp(request_type_str,
					  GET_REQUEST, strlen(GET_REQUEST)))
		type = GET_DOCUMENT;
	else
		DIE(1, "unknown request type");

	return type;
}