472 lines
12 KiB
C
472 lines
12 KiB
C
/*
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* Copyright (c) 2007-2008 Hyperic, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <ruby.h>
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#include <errno.h>
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#include "sigar.h"
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#include "sigar_fileinfo.h"
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#include "sigar_format.h"
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#define RB_SIGAR_CROAK rb_raise(rb_eArgError, "%s", sigar_strerror(sigar, status))
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#define NUM2PID NUM2UINT
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static sigar_t *rb_sigar_get(VALUE obj)
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{
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sigar_t *sigar;
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Data_Get_Struct(obj, sigar_t, sigar);
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return sigar;
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}
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static void rb_sigar_free(void *obj)
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{
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free(obj);
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}
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static void rb_sigar_close(void *obj)
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{
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sigar_close((sigar_t *)obj);
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}
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static VALUE rb_sigar_new(VALUE module)
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{
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sigar_t *sigar;
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sigar_open(&sigar);
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return Data_Wrap_Struct(module, 0, rb_sigar_close, sigar);
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}
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static VALUE rb_sigar_format_size(VALUE rclass, VALUE size)
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{
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char buffer[56];
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return rb_str_new2(sigar_format_size(NUM2LL(size), buffer));
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}
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static VALUE rb_sigar_net_interface_flags_to_s(VALUE rclass, VALUE flags)
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{
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char buffer[1024];
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return rb_str_new2(sigar_net_interface_flags_to_string(NUM2LL(flags), buffer));
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}
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static VALUE rb_sigar_net_connection_type_to_s(VALUE rclass, VALUE type)
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{
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return rb_str_new2(sigar_net_connection_type_get(NUM2INT(type)));
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}
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static VALUE rb_sigar_net_connection_state_to_s(VALUE rclass, VALUE state)
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{
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return rb_str_new2(sigar_net_connection_state_get(NUM2INT(state)));
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}
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static VALUE rb_sigar_net_address_to_string(sigar_net_address_t *address)
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{
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char addr_str[SIGAR_INET6_ADDRSTRLEN];
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sigar_net_address_to_string(NULL, address, addr_str);
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return rb_str_new2(addr_str);
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}
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#define rb_sigar_net_address_to_s(a) rb_sigar_net_address_to_string(&a)
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static VALUE rb_sigar_new_list(char *data, unsigned long number,
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int size, VALUE rclass)
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{
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unsigned long i;
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VALUE av = rb_ary_new2(number);
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for (i=0; i<number; i++, data += size) {
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void *ent = malloc(size);
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memcpy(ent, data, size);
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rb_ary_push(av, Data_Wrap_Struct(rclass, 0, free, ent));
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}
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return av;
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}
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static VALUE rb_sigar_new_strlist(char **data, unsigned long number)
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{
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unsigned long i;
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VALUE av = rb_ary_new2(number);
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for (i=0; i<number; i++) {
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rb_ary_push(av, rb_str_new2(data[i]));
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}
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return av;
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}
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static VALUE rb_sigar_new_intlist(int *data, int number)
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{
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int i;
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VALUE av = rb_ary_new2(number);
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for (i=0; i<number; i++) {
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rb_ary_push(av, rb_int2inum(data[i]));
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}
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return av;
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}
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static VALUE rb_sigar_net_interface_list(VALUE obj)
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{
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int status;
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sigar_t *sigar = rb_sigar_get(obj);
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sigar_net_interface_list_t iflist;
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VALUE RETVAL;
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status = sigar_net_interface_list_get(sigar, &iflist);
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if (status != SIGAR_OK) {
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RB_SIGAR_CROAK;
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}
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RETVAL = rb_sigar_new_strlist(iflist.data, iflist.number);
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sigar_net_interface_list_destroy(sigar, &iflist);
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return RETVAL;
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}
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static int rb_sigar_str2net_address(VALUE bytes, sigar_net_address_t *address)
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{
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long len = RSTRING(bytes)->len;
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switch (len) {
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case 4:
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address->family = SIGAR_AF_INET;
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break;
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case 4*4:
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address->family = SIGAR_AF_INET6;
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break;
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default:
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return EINVAL;
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}
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memcpy(RSTRING(bytes)->ptr, &address->addr.in6, len);
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return SIGAR_OK;
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}
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static VALUE rb_cSigarNetStat;
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static VALUE rb_sigar_net_stat_get(VALUE obj, VALUE flags, VALUE bytes, int port)
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{
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int status;
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int has_port = (port != -1);
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sigar_t *sigar = rb_sigar_get(obj);
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sigar_net_stat_t *RETVAL = malloc(sizeof(*RETVAL));
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sigar_net_address_t address;
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if (has_port) {
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status = rb_sigar_str2net_address(bytes, &address);
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if (status == SIGAR_OK) {
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status = sigar_net_stat_port_get(sigar, RETVAL, NUM2INT(flags),
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&address, port);
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}
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}
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else {
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status = sigar_net_stat_get(sigar, RETVAL, NUM2INT(flags));
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}
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if (status != SIGAR_OK) {
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free(RETVAL);
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RB_SIGAR_CROAK;
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}
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return Data_Wrap_Struct(rb_cSigarNetStat, 0, rb_sigar_free, RETVAL);
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}
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static VALUE rb_sigar_net_stat(VALUE obj, VALUE flags)
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{
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return rb_sigar_net_stat_get(obj, flags, Qnil, -1);
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}
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static VALUE rb_sigar_net_stat_port(VALUE obj, VALUE flags, VALUE address, VALUE port)
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{
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return rb_sigar_net_stat_get(obj, flags, address, NUM2INT(port));
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}
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static VALUE rb_sigar_NetStat_tcp_states(VALUE self)
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{
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sigar_net_stat_t *net_stat;
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Data_Get_Struct(self, sigar_net_stat_t, net_stat);
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return rb_sigar_new_intlist(&net_stat->tcp_states[0], SIGAR_TCP_UNKNOWN);
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}
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static VALUE rb_cSigarNetConnection;
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static VALUE rb_sigar_net_connection_list(VALUE obj, VALUE flags)
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{
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int status;
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unsigned int i;
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sigar_t *sigar = rb_sigar_get(obj);
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sigar_net_connection_list_t connlist;
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VALUE RETVAL;
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status = sigar_net_connection_list_get(sigar, &connlist, NUM2UINT(flags));
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if (status != SIGAR_OK) {
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RB_SIGAR_CROAK;
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}
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RETVAL = rb_sigar_new_list((char *)&connlist.data[0],
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connlist.number,
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sizeof(*connlist.data),
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rb_cSigarNetConnection);
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sigar_net_connection_list_destroy(sigar, &connlist);
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return RETVAL;
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}
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static VALUE rb_sigar_net_services_name(VALUE obj, VALUE protocol, VALUE port)
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{
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sigar_t *sigar = rb_sigar_get(obj);
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char *name;
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if ((name = sigar_net_services_name_get(sigar, NUM2UINT(protocol), NUM2UINT(port)))) {
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return rb_str_new2(name);
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}
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else {
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return Qnil;
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}
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}
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static VALUE rb_cSigarCpuInfo;
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static VALUE rb_sigar_cpu_info_list(VALUE obj)
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{
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int status;
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sigar_t *sigar = rb_sigar_get(obj);
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sigar_cpu_info_list_t cpu_infos;
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VALUE RETVAL;
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status = sigar_cpu_info_list_get(sigar, &cpu_infos);
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if (status != SIGAR_OK) {
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RB_SIGAR_CROAK;
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}
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RETVAL = rb_sigar_new_list((char *)&cpu_infos.data[0],
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cpu_infos.number,
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sizeof(*cpu_infos.data),
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rb_cSigarCpuInfo);
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sigar_cpu_info_list_destroy(sigar, &cpu_infos);
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return RETVAL;
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}
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static VALUE rb_cSigarCpuPerc;
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static VALUE rb_cSigarFileSystem;
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static VALUE rb_sigar_file_system_list(VALUE obj)
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{
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int status;
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sigar_t *sigar = rb_sigar_get(obj);
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sigar_file_system_list_t fslist;
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VALUE RETVAL;
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status = sigar_file_system_list_get(sigar, &fslist);
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if (status != SIGAR_OK) {
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RB_SIGAR_CROAK;
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}
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RETVAL = rb_sigar_new_list((char *)&fslist.data[0],
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fslist.number,
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sizeof(*fslist.data),
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rb_cSigarFileSystem);
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sigar_file_system_list_destroy(sigar, &fslist);
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return RETVAL;
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}
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static VALUE rb_cSigarWho;
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static VALUE rb_sigar_who_list(VALUE obj)
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{
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int status;
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sigar_t *sigar = rb_sigar_get(obj);
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sigar_who_list_t list;
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VALUE RETVAL;
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status = sigar_who_list_get(sigar, &list);
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if (status != SIGAR_OK) {
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RB_SIGAR_CROAK;
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}
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RETVAL = rb_sigar_new_list((char *)&list.data[0],
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list.number,
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sizeof(*list.data),
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rb_cSigarWho);
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sigar_who_list_destroy(sigar, &list);
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return RETVAL;
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}
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static VALUE rb_cSigarNetRoute;
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static VALUE rb_sigar_net_route_list(VALUE obj)
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{
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int status;
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sigar_t *sigar = rb_sigar_get(obj);
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sigar_net_route_list_t list;
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VALUE RETVAL;
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status = sigar_net_route_list_get(sigar, &list);
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if (status != SIGAR_OK) {
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RB_SIGAR_CROAK;
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}
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RETVAL = rb_sigar_new_list((char *)&list.data[0],
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list.number,
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sizeof(*list.data),
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rb_cSigarNetRoute);
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sigar_net_route_list_destroy(sigar, &list);
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return RETVAL;
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}
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static VALUE rb_sigar_proc_args(VALUE obj, VALUE pid)
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{
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int status;
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sigar_t *sigar = rb_sigar_get(obj);
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sigar_proc_args_t args;
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VALUE RETVAL;
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status = sigar_proc_args_get(sigar, NUM2PID(pid), &args);
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if (status != SIGAR_OK) {
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RB_SIGAR_CROAK;
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}
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RETVAL = rb_sigar_new_strlist(args.data, args.number);
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sigar_proc_args_destroy(sigar, &args);
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return RETVAL;
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}
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static int rb_sigar_env_getall(void *data,
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const char *key, int klen,
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char *val, int vlen)
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{
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rb_hash_aset(*((VALUE*)data),
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rb_str_new(key, klen),
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rb_str_new(val, vlen));
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return SIGAR_OK;
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}
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static VALUE rb_sigar_proc_env(VALUE obj, VALUE pid)
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{
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int status;
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sigar_t *sigar = rb_sigar_get(obj);
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sigar_proc_env_t procenv;
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VALUE RETVAL = rb_hash_new();
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procenv.type = SIGAR_PROC_ENV_ALL;
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procenv.env_getter = rb_sigar_env_getall;
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procenv.data = &RETVAL;
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status = sigar_proc_env_get(sigar, NUM2PID(pid), &procenv);
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if (status != SIGAR_OK) {
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RB_SIGAR_CROAK;
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}
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return RETVAL;
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}
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#include "./rbsigar_generated.rx"
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#define RB_SIGAR_CONST_INT(name) \
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rb_define_const(rclass, #name, INT2FIX(SIGAR_##name))
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#define RB_SIGAR_CONST_STR(name) \
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rb_define_const(rclass, #name, rb_obj_freeze(rb_str_new2(SIGAR_##name)))
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static void Init_rbsigar_constants(VALUE rclass)
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{
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RB_SIGAR_CONST_INT(IFF_UP);
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RB_SIGAR_CONST_INT(IFF_BROADCAST);
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RB_SIGAR_CONST_INT(IFF_DEBUG);
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RB_SIGAR_CONST_INT(IFF_LOOPBACK);
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RB_SIGAR_CONST_INT(IFF_POINTOPOINT);
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RB_SIGAR_CONST_INT(IFF_NOTRAILERS);
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RB_SIGAR_CONST_INT(IFF_RUNNING);
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RB_SIGAR_CONST_INT(IFF_NOARP);
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RB_SIGAR_CONST_INT(IFF_PROMISC);
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RB_SIGAR_CONST_INT(IFF_ALLMULTI);
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RB_SIGAR_CONST_INT(IFF_MULTICAST);
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RB_SIGAR_CONST_INT(NETCONN_CLIENT);
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RB_SIGAR_CONST_INT(NETCONN_SERVER);
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RB_SIGAR_CONST_INT(NETCONN_TCP);
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RB_SIGAR_CONST_INT(NETCONN_UDP);
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RB_SIGAR_CONST_INT(NETCONN_RAW);
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RB_SIGAR_CONST_INT(NETCONN_UNIX);
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RB_SIGAR_CONST_INT(TCP_ESTABLISHED);
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RB_SIGAR_CONST_INT(TCP_SYN_SENT);
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RB_SIGAR_CONST_INT(TCP_SYN_RECV);
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RB_SIGAR_CONST_INT(TCP_FIN_WAIT1);
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RB_SIGAR_CONST_INT(TCP_FIN_WAIT2);
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RB_SIGAR_CONST_INT(TCP_TIME_WAIT);
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RB_SIGAR_CONST_INT(TCP_CLOSE);
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RB_SIGAR_CONST_INT(TCP_CLOSE_WAIT);
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RB_SIGAR_CONST_INT(TCP_LAST_ACK);
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RB_SIGAR_CONST_INT(TCP_LISTEN);
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RB_SIGAR_CONST_INT(TCP_CLOSING);
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RB_SIGAR_CONST_INT(TCP_IDLE);
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RB_SIGAR_CONST_INT(TCP_BOUND);
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RB_SIGAR_CONST_INT(TCP_UNKNOWN);
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RB_SIGAR_CONST_STR(NULL_HWADDR);
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}
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void Init_rbsigar(void)
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{
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VALUE rclass = rb_define_class("Sigar", rb_cObject);
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rb_define_method(rclass, "cpu_info_list", rb_sigar_cpu_info_list, 0);
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rb_define_method(rclass, "file_system_list", rb_sigar_file_system_list, 0);
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rb_define_method(rclass, "net_connection_list", rb_sigar_net_connection_list, 1);
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rb_define_method(rclass, "net_interface_list", rb_sigar_net_interface_list, 0);
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rb_define_method(rclass, "net_services_name", rb_sigar_net_services_name, 2);
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rb_define_method(rclass, "net_stat", rb_sigar_net_stat, 1);
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rb_define_method(rclass, "net_stat_port", rb_sigar_net_stat_port, 3);
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rb_define_method(rclass, "net_route_list", rb_sigar_net_route_list, 0);
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rb_define_method(rclass, "who_list", rb_sigar_who_list, 0);
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rb_define_method(rclass, "proc_args", rb_sigar_proc_args, 1);
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rb_define_method(rclass, "proc_env", rb_sigar_proc_env, 1);
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rb_define_singleton_method(rclass, "new", rb_sigar_new, 0);
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rb_define_singleton_method(rclass, "format_size", rb_sigar_format_size, 1);
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rb_define_singleton_method(rclass, "net_interface_flags_to_s",
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rb_sigar_net_interface_flags_to_s, 1);
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rb_define_singleton_method(rclass, "net_connection_type_to_s",
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rb_sigar_net_connection_type_to_s, 1);
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rb_define_singleton_method(rclass, "net_connection_state_to_s",
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rb_sigar_net_connection_state_to_s, 1);
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Init_rbsigar_constants(rclass);
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/* generated */
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rb_sigar_define_module_methods(rclass);
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rb_define_method(rb_cSigarNetStat, "tcp_states", rb_sigar_NetStat_tcp_states, 0);
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}
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