66 lines
1.6 KiB
C++
66 lines
1.6 KiB
C++
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#include <errno.h> /* obligatory includes */
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#include <signal.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/wait.h>
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#include <netinet/in.h>
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#include <netdb.h>
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#include "tcommon.h"
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#define MAXHOSTNAME 1024
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//----------------------------------------------------------------------------
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int call_socket(char *hostname, unsigned short portnum) {
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struct sockaddr_in sa;
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struct hostent *hp;
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int s;
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if ((hp = gethostbyname(hostname)) == NULL) /* do we know the host's */
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{
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errno = ECONNREFUSED; /* address? */
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return (-1); /* no */
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}
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memset(&sa, 0, sizeof(sa));
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memcpy((char *)&sa.sin_addr, hp->h_addr, hp->h_length); /* set address */
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sa.sin_family = hp->h_addrtype;
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sa.sin_port = htons((u_short)portnum);
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if ((s = socket(hp->h_addrtype, SOCK_STREAM, 0)) < 0) /* get socket */
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return (-1);
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if (connect(s, (struct sockaddr *)&sa, sizeof sa) < 0) /* connect */
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{
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close(s);
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return (-1);
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}
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return (s);
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}
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//----------------------------------------------------------------------------
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int main(int argc, char *argv[]) {
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char myname[MAXHOSTNAME + 1];
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gethostname(myname, MAXHOSTNAME); /* who are we? */
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int s;
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int portNumber = 8000;
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{
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std::ifstream is("/tmp/.tfarmcontroller.dat");
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is >> portNumber;
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}
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// std::cout << "shutting down " << portNumber << std::endl;
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if ((s = call_socket(myname, portNumber)) < 0) {
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fprintf(stderr, "Unable to stop the tfarmcontroller daemon\n");
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exit(1);
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}
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write(s, "shutdown", strlen("shutdown") + 1);
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close(s);
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exit(0);
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}
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