Imported Upstream version 2.7.1
This commit is contained in:
Laurent Bigonville
parent
a1fa151fc7
commit
0121794af9
451 changed files with 41339 additions and 10887 deletions
290
drivers/apcupsd-ups.c
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290
drivers/apcupsd-ups.c
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/* apcupsd-ups.c - client for apcupsd
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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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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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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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <netdb.h>
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#include <poll.h>
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#include <sys/ioctl.h>
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#include "main.h"
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#include "apcupsd-ups.h"
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#define DRIVER_NAME "apcupsd network client UPS driver"
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#define DRIVER_VERSION "0.04"
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/* driver description structure */
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upsdrv_info_t upsdrv_info = {
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DRIVER_NAME,
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DRIVER_VERSION,
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"Andreas Steinmetz <ast@domdv.de>",
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DRV_STABLE,
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{ NULL }
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};
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static int port=3551;
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static struct sockaddr_in host;
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static void process(char *item,char *data)
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{
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int i;
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char *p1;
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char *p2;
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for(i=0;nut_data[i].info_type;i++)if(!(nut_data[i].apcupsd_item))
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dstate_setinfo(nut_data[i].info_type,"%s",
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nut_data[i].default_value);
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else if(!strcmp(nut_data[i].apcupsd_item,item))
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switch(nut_data[i].drv_flags&~DU_FLAG_INIT)
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{
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case DU_FLAG_STATUS:
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status_init();
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if(!strcmp(data,"COMMLOST")||!strcmp(data,"SHUTTING DOWN")||
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!strcmp(data,"NETWORK ERROR")||!strcmp(data,"ERROR"))
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status_set("OFF");
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else if(!strcmp(data,"SELFTEST"))status_set("OB");
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else for(;(data=strtok(data," "));data=NULL)
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{
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if(!strcmp(data,"CAL"))status_set("CAL");
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else if(!strcmp(data,"TRIM"))status_set("TRIM");
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else if(!strcmp(data,"BOOST"))status_set("BOOST");
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else if(!strcmp(data,"ONLINE"))status_set("OL");
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else if(!strcmp(data,"ONBATT"))status_set("OB");
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else if(!strcmp(data,"OVERLOAD"))status_set("OVER");
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else if(!strcmp(data,"LOWBATT"))status_set("LB");
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else if(!strcmp(data,"REPLACEBATT"))status_set("RB");
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else if(!strcmp(data,"NOBATT"))status_set("BYPASS");
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}
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status_commit();
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break;
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case DU_FLAG_DATE:
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if((p1=strchr(data,' ')))
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{
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*p1=0;
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dstate_setinfo(nut_data[i].info_type,"%s",data);
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*p1=' ';
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}
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else dstate_setinfo(nut_data[i].info_type,"%s",data);
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break;
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case DU_FLAG_TIME:
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if((p1=strchr(data,' ')))
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{
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*p1=0;
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if((p2=strchr(p1+1,' ')))
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{
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*p2=0;
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dstate_setinfo(nut_data[i].info_type,"%s",p1+1);
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*p2=' ';
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}
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else dstate_setinfo(nut_data[i].info_type,"%s",p1+1);
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*p1=' ';
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}
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break;
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case DU_FLAG_FW1:
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if((p1=strchr(data,'/')))
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{
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for(;p1!=data;p1--)if(p1[-1]!=' ')break;
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if(*p1==' ')
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{
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*p1=0;
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dstate_setinfo(nut_data[i].info_type,"%s",data);
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*p1=' ';
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}
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else dstate_setinfo(nut_data[i].info_type,"%s",data);
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}
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else dstate_setinfo(nut_data[i].info_type,"%s",data);
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break;
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case DU_FLAG_FW2:
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if((p1=strchr(data,'/')))
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{
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for(;*p1;p1++)if(p1[1]!=' ')break;
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if(*p1&&p1[1])dstate_setinfo(nut_data[i].info_type,"%s",
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p1+1);
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}
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break;
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default:if(nut_data[i].info_flags&ST_FLAG_STRING)
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{
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if((int)strlen(data)>(int)nut_data[i].info_len)
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data[(int)nut_data[i].info_len]=0;
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dstate_setinfo(nut_data[i].info_type,"%s",data);
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}
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else dstate_setinfo(nut_data[i].info_type,
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nut_data[i].default_value,
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atof(data)*nut_data[i].info_len);
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break;
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}
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}
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static int getdata(void)
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{
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int x, fd_flags;
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short n;
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char *item;
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char *data;
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struct pollfd p;
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char bfr[1024];
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for(x=0;nut_data[x].info_type;x++)
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if(!(nut_data[x].drv_flags&DU_FLAG_INIT))
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dstate_delinfo(nut_data[x].info_type);
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if((p.fd=socket(AF_INET,SOCK_STREAM,0))==-1)
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{
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upsdebugx(1,"socket error");
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return -1;
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}
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if(connect(p.fd,(struct sockaddr *)&host,sizeof(host)))
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{
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upsdebugx(1,"can't connect to apcupsd");
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close(p.fd);
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return -1;
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}
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fd_flags = fcntl(p.fd, F_GETFL);
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fd_flags |= O_NONBLOCK;
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if(fcntl(p.fd, F_SETFL, fd_flags))
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{
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upsdebugx(1,"unexpected fcntl(fd, F_SETFL, fd_flags|O_NONBLOCK) failure");
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close(p.fd);
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return -1;
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}
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p.events=POLLIN;
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n=htons(6);
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x=write(p.fd,&n,2);
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x=write(p.fd,"status",6);
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/* TODO: double-check for poll() in configure script */
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while(poll(&p,1,15000)==1)
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{
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if(read(p.fd,&n,2)!=2)
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{
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upsdebugx(1,"apcupsd communication error");
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close(p.fd);
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return -1;
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}
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if(!(x=ntohs(n)))
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{
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close(p.fd);
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return 0;
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}
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else if(x<0||x>=(int)sizeof(bfr))
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{
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upsdebugx(1,"apcupsd communication error");
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close(p.fd);
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return -1;
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}
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if(poll(&p,1,15000)!=1)break;
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if(read(p.fd,bfr,x)!=x)
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{
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upsdebugx(1,"apcupsd communication error");
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close(p.fd);
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return -1;
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}
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bfr[x]=0;
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if(!(item=strtok(bfr," \t:\r\n")))
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{
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upsdebugx(1,"apcupsd communication error");
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close(p.fd);
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return -1;
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}
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if(!(data=strtok(NULL,"\r\n")))
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{
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upsdebugx(1,"apcupsd communication error");
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close(p.fd);
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return -1;
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}
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while(*data==' '||*data=='\t'||*data==':')data++;
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process(item,data);
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}
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upsdebugx(1,"unexpected connection close by apcupsd");
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close(p.fd);
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return -1;
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}
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void upsdrv_initinfo(void)
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{
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if(!port)fatalx(EXIT_FAILURE,"invalid host or port specified!");
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if(getdata())fatalx(EXIT_FAILURE,"can't communicate with apcupsd!");
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else dstate_dataok();
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poll_interval=60;
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}
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void upsdrv_updateinfo(void)
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{
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if(getdata())upslogx(LOG_ERR,"can't communicate with apcupsd!");
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else dstate_dataok();
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poll_interval=60;
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}
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void upsdrv_shutdown(void)
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{
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fatalx(EXIT_FAILURE, "shutdown not supported");
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}
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void upsdrv_help(void)
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{
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}
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void upsdrv_makevartable(void)
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{
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}
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void upsdrv_initups(void)
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{
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char *p;
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struct hostent *h;
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if(device_path&&*device_path)
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{
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/* TODO: fix parsing since bare IPv6 addresses contain colons */
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if((p=strchr(device_path,':')))
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{
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*p++=0;
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port=atoi(p);
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if(port<1||port>65535)port=0;
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}
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}
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else device_path="localhost";
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if(!(h=gethostbyname(device_path)))port=0;
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else memcpy(&host.sin_addr,h->h_addr,4);
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/* TODO: add IPv6 support */
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host.sin_family=AF_INET;
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host.sin_port=htons(port);
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}
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void upsdrv_cleanup(void)
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{
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}
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