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d1b1feb Dec 23, 2015
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@zone117x @KaTXi @sysmanalex @sigwo
85 lines (61 sloc) 1.84 KB
#include <sys/socket.h>
#include <netinet/in.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
/*
Contributed by Alex Petrov aka SysMan at sysman.net
Updated by Alejandro Reyero - TodoJuegos.com
Part of UNOMP project
Simple lightweight & fast - a more efficient block notify script in pure C.
(may also work as coin switch)
Platforms : Linux, BSD, Solaris (mostly OS independent)
Build with:
gcc blocknotify.c -o blocknotify
Example usage in daemon coin.conf using default NOMP CLI port of 17117
blocknotify="/bin/blocknotify 127.0.0.1:17117 dogecoin %s"
*/
int main(int argc, char **argv)
{
int sockfd,n;
struct sockaddr_in servaddr, cliaddr;
char sendline[1000];
char recvline[1000];
char host[200];
char *p, *arg, *errptr;
int port;
if (argc < 3)
{
// print help
printf("UNOMP pool block notify\n usage: <host:port> <coin> <block>\n");
exit(1);
}
strncpy(host, argv[1], (sizeof(host)-1));
p = host;
if ( (arg = strchr(p,':')) )
{
*arg = '\0';
errno = 0; // reset errno
port = strtol(++arg, &errptr, 10);
if ( (errno != 0) || (errptr == arg) )
{
fprintf(stderr, "port number fail [%s]\n", errptr);
}
}
snprintf(sendline, sizeof(sendline) - 1, "{\"command\":\"blocknotify\",\"params\":[\"%s\",\"%s\"]}\n", argv[2], argv[3]);
sockfd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
bzero(&servaddr, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_addr.s_addr = inet_addr(host);
servaddr.sin_port = htons(port);
connect(sockfd, (struct sockaddr *)&servaddr, sizeof(servaddr));
int result = send(sockfd, sendline, strlen(sendline), 0);
close(sockfd);
if(result == -1) {
printf("Error sending: %i\n", errno);
exit(-1);
}
exit(0);
}