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Merge pull request #3 from fmederos/master 

Some minor updates to runsched
pull/7/head
Cees Bassa 2017-03-28 11:24:32 +02:00 committed by GitHub
parent 26a965a143 8ac20b7ad6
commit fa8d90f0f9
1 changed files with 29 additions and 8 deletions
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37
runsched.c
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@ -13,6 +13,7 @@
#include <arpa/inet.h>
#define PORT 7264
#define MAXPORT 7274
#define IP "127.0.0.1"
#define LIM 2048
#define NMAX 128
@ -57,12 +58,19 @@ int main(int argc, char *argv[])
// Get local time
time(&rawtime);
rawtime-=3600;
//rawtime-=3600;
// Print UTC time
ptm=gmtime(&rawtime);
strftime(buf,20,"%Y-%m-%dT%H:%M:%S",ptm);
// Make raw time UTC to compare with scheduled time
rawtime=mktime(ptm);
// Show current raw time, just to check
// printf("%s\n",ctime(&rawtime));
// Compute time differences
for (i=0;i<nobs;i++)
obs[i].dt=difftime(obs[i].ptime,rawtime);
@ -101,7 +109,7 @@ int fgetline(FILE *file,char *s,int lim)
// Send new position to telescope
void send_position(char *sra,char *sde)
{
int skt;
int skt, port;
struct hostent *he;
struct sockaddr_in addr;
char packet[LIM];
@ -118,25 +126,38 @@ void send_position(char *sra,char *sde)
// Send TCP packet
skt=socket(AF_INET,SOCK_STREAM,0);
addr.sin_family=AF_INET;
addr.sin_port=htons(PORT);
port=PORT;
addr.sin_port=htons(port);
he=gethostbyname(IP);
bcopy(he->h_addr,(struct in_addr *) &addr.sin_addr,he->h_length);
if(connect(skt,(struct sockaddr *) &addr,sizeof(addr))<0) {
fprintf(stderr,"Connection refused by remote host.\n");
return;
while((connect(skt,(struct sockaddr *) &addr,sizeof(addr))<0) && (port < MAXPORT)) {
fprintf(stderr,"Connection refused by remote host on port %04d.\n",port);
port++;
// Skip port 7265... used by some other service?
if(port==7265) port++;
fprintf(stderr,"Trying port %04d.\n",port);
addr.sin_port=htons(port);
he=gethostbyname(IP);
bcopy(he->h_addr,(struct in_addr *) &addr.sin_addr,he->h_length);
}
if(port>=MAXPORT) return;
fprintf(stderr,"Connected on port %04d.\n",port);
write(skt,packet,strlen(packet));
close(skt);
// Set restart
file=fopen("/data2/satobs/control/state.txt","w");
file=fopen("/data1/satobs/control/state.txt","w");
if (file!=NULL) {
fprintf(file,"restart");
fclose(file);
}
// Set position
file=fopen("/data2/satobs/control/position.txt","w");
file=fopen("/data1/satobs/control/position.txt","w");
if (file!=NULL) {
fprintf(file,"%s %s\n",sra,sde);
fclose(file);