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/* |
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* i-scream central monitoring system |
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* Copyright (C) 2000-2002 i-scream |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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*/ |
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|
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#include <stdio.h> |
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#include <sys/socket.h> |
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#include <stdlib.h> |
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#include <unistd.h> |
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#include <syslog.h> |
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#include <netinet/in.h> |
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#include <ukcprog.h> |
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#include "ukcprog.h" |
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#include <netdb.h> |
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#include <strings.h> |
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#include <string.h> |
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#include "statgrab.h" |
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#include <time.h> |
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#include <sys/socket.h> |
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#include <netinet/in.h> |
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#include <arpa/inet.h> |
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|
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#define RECONFIGURE_RETURN_CODE 2 |
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#define UDP_MAX_PACKET_SIZE 8192 |
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|
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typedef struct{ |
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int fm_port; |
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char *fm_host; |
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|
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|
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char *my_ip; |
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char *my_fqdn; |
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char *server_fqdn; |
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int server_udp_port; |
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int ihost_configure(ihost_state_t *ihost_state){ |
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struct sockaddr_in addr; |
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struct in_addr haddr; |
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struct sockaddr ip; |
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int ip_len; |
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int sd; |
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FILE *fm_fd_r, *fm_fd_w; |
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char *reply; |
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return -1; |
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} |
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|
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memset((char *)&addr, 0, sizeof addr); |
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memset(&addr, 0, sizeof addr); |
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addr.sin_family = AF_INET; |
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memcpy((char *)&addr.sin_addr, &haddr, sizeof haddr); |
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memcpy(&addr.sin_addr, &haddr, sizeof haddr); |
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addr.sin_port = htons(ihost_state->fm_port); |
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|
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if (connect(sd, (struct sockaddr *)&addr, sizeof addr) != 0) { |
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errf("Failed to open write stream (%m)"); |
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return -1; |
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} |
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ip_len=sizeof ip; |
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memset(&ip, 0, ip_len); |
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if((getsockname(sd, &ip, &ip_len)) != 0){ |
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errf("Failed to get IP address (%m)"); |
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return -1; |
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} |
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if (ip.sa_family!=AF_INET){ |
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errf("sa family is wrong type"); |
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return -1; |
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} |
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|
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if((ihost_state->my_ip=inet_ntoa(((struct sockaddr_in *)&ip)->sin_addr))==NULL){ |
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errf("Failed to get IP (%m)"); |
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return -1; |
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} |
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|
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reply=sock_comm(fm_fd_r, fm_fd_w, "STARTCONFIG"); |
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if ((reply==NULL) || (strncasecmp(reply, "OK", 2) != 0) ) { |
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|
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reply=sock_comm(fm_fd_r, fm_fd_w, "FILTER"); |
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if((reply== NULL) || (strncasecmp(reply, "ERROR", 5)==0)){ |
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errf("Server error (%m)"); |
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errf("Server error FILTER failed (%m)"); |
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return -1; |
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} |
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reply_ptr=strchr(reply,';'); |
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return -1; |
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} |
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|
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memset((char *)&addr, 0, sizeof addr); |
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memset(&addr, 0, sizeof addr); |
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addr.sin_family = AF_INET; |
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memcpy((char *)&addr.sin_addr, &haddr, sizeof haddr); |
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memcpy(&addr.sin_addr, &haddr, sizeof haddr); |
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addr.sin_port = htons(ihost_state->server_tcp_port); |
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|
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if (connect(sd, (struct sockaddr *)&addr, sizeof addr) != 0) { |
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errf("Server error"); |
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return -1; |
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} |
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if (ihost_state->fm_host!=NULL) free(ihost_state->fm_host); |
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|
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reply=sock_comm(fm_fd_r, fm_fd_w, "CONFIG"); |
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if ((reply==NULL) || (strncasecmp(reply, "ERROR", 5) == 0) ) { |
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errf("Server error"); |
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return -1; |
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} |
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fflush(fm_fd_r); |
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fflush(fm_fd_w); |
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|
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if(fclose(fm_fd_r) !=0){ |
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errf("Failed to close read FD (%m)"); |
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return -1; |
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return exitcode; |
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} |
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char *stat_grab(ihost_state_t *ihost_state, int counter){ |
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#define NUM_STATS 9 |
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char *stats[NUM_STATS]; |
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char *xml_data=NULL; |
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char *xml_data_p; |
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int x=0; |
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|
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stats[0]=get_cpu_stats(); |
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stats[1]=get_disk_stats(); |
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stats[2]=get_load_stats(); |
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stats[3]=get_memory_stats(); |
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stats[4]=get_os_info(); |
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stats[5]=get_page_stats(); |
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stats[6]=get_process_stats(); |
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stats[7]=get_swap_stats(); |
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stats[8]=get_user_stats(); |
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|
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for(;x<NUM_STATS;x++){ |
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if(stats[x]==NULL){ |
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return NULL; |
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} |
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if(xml_data==NULL){ |
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if((xml_data=strf("%s", stats[x])) == NULL){ |
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errf("str failed (%m)"); |
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return NULL; |
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} |
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}else{ |
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xml_data_p=xml_data; |
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if((xml_data=strf("%s%s", xml_data, stats[x])) == NULL){ |
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errf("str failed (%m)"); |
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return NULL; |
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} |
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free(xml_data_p); |
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} |
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free(stats[x]); |
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} |
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xml_data_p=xml_data; |
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xml_data=strf("<packet seq_no=\"%d\" machine_name=\"%s\" date=\"%ld\" type=\"data\" ip=\"%s\" key=\"%s\">%s</packet>", counter, ihost_state->my_fqdn, time(NULL), ihost_state->my_ip, ihost_state->key, xml_data); |
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free(xml_data_p); |
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|
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return xml_data; |
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} |
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|
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int send_stats(ihost_state_t *ihost_state, char *data_stream){ |
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struct sockaddr_in addr; |
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struct in_addr haddr; |
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|
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int sd; |
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size_t len; |
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|
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len=strlen(data_stream); |
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if(len>UDP_MAX_PACKET_SIZE){ |
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errf("Too big to send to server. Please reconfigure client and server and recompile"); |
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exit(1); |
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} |
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|
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if (get_host_addr(ihost_state->server_fqdn, &haddr) != 0){ |
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errf("Failed to resolve address %s (%m)", ihost_state->fm_host); |
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return -1; |
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} |
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|
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if((sd=socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0){ |
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errf("failed to create UDP socket (%m)"); |
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return -1; |
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} |
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|
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memset(&addr, 0, sizeof(addr)); |
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addr.sin_family=AF_INET; |
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memcpy((char *)&addr.sin_addr, &haddr, sizeof haddr); |
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addr.sin_port = htons(ihost_state->server_udp_port); |
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|
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if((sendto(sd, data_stream, len, 0, (struct sockaddr *) &addr, sizeof(addr))) != len){ |
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errf("Send the wrong number of bytes (%m)"); |
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return -1; |
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} |
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|
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close(sd); |
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|
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return 0; |
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} |
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|
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int main(int argc, char **argv){ |
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ihost_state_t ihost_state; |
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int heartbeat_exit; |
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int counter=0; |
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long udp_time=0, tcp_time=0, stat_grab_time=0, cur_time=0; |
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int sleep_delay=0; |
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char *xml_stats; |
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|
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|
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/* NULL'ify so i can tell if i need to free it or not */ |
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ihost_state.fm_host=NULL; |
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ihost_state.my_fqdn=NULL; |
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exit(1); |
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} |
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|
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while(TRUE){ |
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for(;;){ |
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cur_time=time(NULL); |
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if(cur_time>=tcp_time){ |
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/*printf("sending TCP\n");*/ |
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heartbeat_exit=heartbeat(&ihost_state); |
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> |
if(heartbeat_exit==RECONFIGURE_RETURN_CODE){ |
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/*errf("heartbeat needs to be reconfigured");*/ |
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ihost_configure(&ihost_state); |
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/* So udp doesn't wait til next sending before updating */ |
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udp_time=0; |
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} |
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if(heartbeat_exit==-1){ |
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errf("ah crap"); |
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exit(1); |
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} |
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tcp_time=time(NULL)+ihost_state.tcp_update_time; |
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} |
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|
|
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heartbeat_exit=heartbeat(&ihost_state); |
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< |
if(heartbeat_exit==RECONFIGURE_RETURN_CODE){ |
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errf("heartbeat needs to be reconfigured"); |
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ihost_configure(&ihost_state); |
463 |
> |
if(cur_time>=udp_time){ |
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/*printf("sending UDP\n");*/ |
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> |
stat_grab_time=time(NULL); |
466 |
> |
if((xml_stats=stat_grab(&ihost_state, counter++)) == NULL){ |
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> |
errf("Failed to get stats (%m)"); |
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> |
exit(1); |
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} |
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> |
stat_grab_time=time(NULL)-stat_grab_time; |
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> |
send_stats(&ihost_state, xml_stats); |
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> |
free(xml_stats); |
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> |
udp_time=time(NULL)+ihost_state.udp_update_time-stat_grab_time; |
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} |
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< |
if(heartbeat_exit==-1){ |
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< |
errf("ah crap"); |
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< |
exit(1); |
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< |
} |
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< |
printf("Count : %d\n",counter++); |
480 |
< |
printf("waiting %d\n",ihost_state.tcp_update_time); |
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< |
sleep(ihost_state.tcp_update_time); |
475 |
> |
|
476 |
> |
if(tcp_time<udp_time){ |
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> |
sleep_delay=tcp_time-time(NULL); |
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> |
}else{ |
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> |
sleep_delay=udp_time-time(NULL); |
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> |
} |
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> |
|
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> |
/*printf("tcp epoc: %ld \t udp epoc: %ld\ntime:%ld \tsleeping: %d\n", tcp_time, udp_time, time(NULL), sleep_delay);*/ |
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if(sleep_delay>0) sleep(sleep_delay); |
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} |
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return 0; |
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} |