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Update blocknotify.c

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Changed sendto to send using TCP so we can control if the block notify produces a connection error.
Added a note about "localhost" usage an possible error 13.
This commit is contained in:
Alejandro Reyero 2014-04-11 11:32:33 +02:00
parent 201d02d10b
commit be37d9c0ee
1 changed files with 28 additions and 22 deletions
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20
scripts/blocknotify.c
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@ -9,6 +9,7 @@
/* /*
Contributed by Alex Petrov aka SysMan at sysman.net Contributed by Alex Petrov aka SysMan at sysman.net
Updated by Alejandro Reyero - TodoJuegos.com
Part of NOMP project Part of NOMP project
Simple lightweight & fast - a more efficient block notify script in pure C. Simple lightweight & fast - a more efficient block notify script in pure C.
@ -22,8 +23,9 @@ Build with:
Usage in daemon coin.conf Usage in daemon coin.conf
blocknotify="/bin/blocknotify localhost:8117 mySuperSecurePassword dogecoin %s" blocknotify="/bin/blocknotify 127.0.01:8117 mySuperSecurePassword dogecoin %s"
*NOTE* If you use "localhost" as hostname you may get a "13" error (socket / connect / send may consider "localhost" as a broadcast address)
// {"password":"notepas","coin":"Xcoin","hash":"d2191a8b644c9cd903439edf1d89ee060e196b3e116e0d48a3f11e5e3987a03b"} // {"password":"notepas","coin":"Xcoin","hash":"d2191a8b644c9cd903439edf1d89ee060e196b3e116e0d48a3f11e5e3987a03b"}
// simplest connect + send json string to server // simplest connect + send json string to server
@ -53,7 +55,8 @@ int main(int argc, char **argv)
p=host; p=host;
if ( (arg=strchr(p,':')) ) if ( (arg=strchr(p,':')) )
{ *arg='\0'; {
*arg='\0';
errno=0; // reset errno errno=0; // reset errno
port=strtol(++arg,&errptr,10); port=strtol(++arg,&errptr,10);
@ -70,16 +73,19 @@ snprintf(sendline,sizeof(sendline)-1,
// printf("sendline:[%s]",sendline); // printf("sendline:[%s]",sendline);
sockfd=socket(AF_INET,SOCK_STREAM,0); sockfd=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
bzero(&servaddr,sizeof(servaddr)); bzero(&servaddr,sizeof(servaddr));
servaddr.sin_family = AF_INET; servaddr.sin_family = AF_INET;
servaddr.sin_addr.s_addr=inet_addr(host); servaddr.sin_addr.s_addr=inet_addr(host);
servaddr.sin_port=htons(port); servaddr.sin_port=htons(port);
connect(sockfd, (struct sockaddr *)&servaddr, sizeof(servaddr)); connect(sockfd, (struct sockaddr *)&servaddr, sizeof(servaddr));
sendto(sockfd,sendline,strlen(sendline),0, int result = send(sockfd,sendline,strlen(sendline),0);
(struct sockaddr *)&servaddr,sizeof(servaddr)); close(sockfd);
if(result == -1) {
printf("Error sending: %i\n",errno);
exit(-1);
}
exit(0); exit(0);
} }