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bug fixx for the 9m gethostbyname being not thread safe

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This commit is contained in:
Dhanya Maliakal 2017-11-09 13:42:57 +01:00
parent 7157b2817d
commit 9255cdde8a
1 changed files with 35 additions and 0 deletions
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35
slsReceiverSoftware/include/genericSocket.h
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@ -105,6 +105,39 @@ enum communicationProtocol{
memset(thisClientIP,0,INET_ADDRSTRLEN);
memset(dummyClientIP,0,INET_ADDRSTRLEN);
differentClients = 0;
struct addrinfo hints, *res;
int errcode;
char addrstr[100];
void *ptr;
memset (&hints, 0, sizeof (hints));
// criteria in selecting socket address structures returned by res
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_STREAM;
//hints.ai_flags |= AI_CANONNAME;
errcode = getaddrinfo (host_ip_or_name, NULL, &hints, &res);
if (errcode != 0) {
cerr << "Exiting: Problem interpreting host: " << host_ip_or_name << ". Error: " << gai_strerror(errcode) << endl;
perror ("getaddrinfo");
} else {
if (res == NULL) {
cerr << "Exiting: Problem interpreting host: " << host_ip_or_name << ". Null returned by getaddrinfo. " << endl;
}
// Set some fields in the serverAddress structure.
serverAddress.sin_family = res->ai_family;
memcpy((char *) &serverAddress.sin_addr.s_addr, &((struct sockaddr_in *) res->ai_addr)->sin_addr, res->ai_addrlen);
serverAddress.sin_port = htons(port_number);
socketDescriptor=0;
freeaddrinfo(res);
}
clientAddress_length=sizeof(clientAddress);
/*
struct hostent *hostInfo = gethostbyname(host_ip_or_name);
if (hostInfo == NULL){
cerr << "Exiting: Problem interpreting host: " << host_ip_or_name << "\n";
@ -117,6 +150,8 @@ enum communicationProtocol{
socketDescriptor=0; //You can use send and recv, //would it work?????
}
clientAddress_length=sizeof(clientAddress);
*/
}