bool
SocketServer::tryBind(unsigned short port, const char * intface) {
struct sockaddr_in servaddr;
memset(&servaddr, 0, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
servaddr.sin_port = htons(port);
if(intface != 0){
if(Ndb_getInAddr(&servaddr.sin_addr, intface))
return false;
}
const NDB_SOCKET_TYPE sock = my_socket_create(AF_INET, SOCK_STREAM, 0);
if (!my_socket_valid(sock))
return false;
DBUG_PRINT("info",("NDB_SOCKET: " MY_SOCKET_FORMAT,
MY_SOCKET_FORMAT_VALUE(sock)));
if (my_socket_reuseaddr(sock, true) == -1)
{
NDB_CLOSE_SOCKET(sock);
return false;
}
if (my_bind_inet(sock, &servaddr) == -1) {
NDB_CLOSE_SOCKET(sock);
return false;
}
NDB_CLOSE_SOCKET(sock);
return true;
}
bool
SocketClient::init()
{
if (my_socket_valid(m_sockfd))
NDB_CLOSE_SOCKET(m_sockfd);
if (m_server_name)
{
memset(&m_servaddr, 0, sizeof(m_servaddr));
m_servaddr.sin_family = AF_INET;
m_servaddr.sin_port = htons(m_port);
// Convert ip address presentation format to numeric format
if (Ndb_getInAddr(&m_servaddr.sin_addr, m_server_name))
return false;
}
m_sockfd= my_socket_create(AF_INET, SOCK_STREAM, 0);
if (!my_socket_valid(m_sockfd)) {
return false;
}
DBUG_PRINT("info",("NDB_SOCKET: " MY_SOCKET_FORMAT, MY_SOCKET_FORMAT_VALUE(m_sockfd)));
return true;
}
bool
Transporter::connect_client(NDB_SOCKET_TYPE sockfd) {
DBUG_ENTER("Transporter::connect_client(sockfd)");
if(m_connected)
{
DBUG_PRINT("error", ("Already connected"));
DBUG_RETURN(true);
}
if (!my_socket_valid(sockfd))
{
DBUG_PRINT("error", ("Socket " MY_SOCKET_FORMAT " is not valid",
MY_SOCKET_FORMAT_VALUE(sockfd)));
DBUG_RETURN(false);
}
DBUG_PRINT("info",("server port: %d, isMgmConnection: %d",
m_s_port, isMgmConnection));
// Send "hello"
DBUG_PRINT("info", ("Sending own nodeid: %d and transporter type: %d",
localNodeId, m_type));
SocketOutputStream s_output(sockfd);
if (s_output.println("%d %d", localNodeId, m_type) < 0)
{
DBUG_PRINT("error", ("Send of 'hello' failed"));
NDB_CLOSE_SOCKET(sockfd);
DBUG_RETURN(false);
}
// Read reply
DBUG_PRINT("info", ("Reading reply"));
char buf[256];
SocketInputStream s_input(sockfd);
if (s_input.gets(buf, 256) == 0)
{
DBUG_PRINT("error", ("Failed to read reply"));
NDB_CLOSE_SOCKET(sockfd);
DBUG_RETURN(false);
}
// Parse reply
int nodeId, remote_transporter_type= -1;
int r= sscanf(buf, "%d %d", &nodeId, &remote_transporter_type);
switch (r) {
case 2:
break;
case 1:
// we're running version prior to 4.1.9
// ok, but with no checks on transporter configuration compatability
break;
default:
DBUG_PRINT("error", ("Failed to parse reply"));
NDB_CLOSE_SOCKET(sockfd);
DBUG_RETURN(false);
}
DBUG_PRINT("info", ("nodeId=%d remote_transporter_type=%d",
nodeId, remote_transporter_type));
// Check nodeid
if (nodeId != remoteNodeId)
{
g_eventLogger->error("Connected to wrong nodeid: %d, expected: %d",
nodeId, remoteNodeId);
NDB_CLOSE_SOCKET(sockfd);
DBUG_RETURN(false);
}
// Check transporter type
if (remote_transporter_type != -1 &&
remote_transporter_type != m_type)
{
g_eventLogger->error("Connection to node: %d uses different transporter "
"type: %d, expected type: %d",
nodeId, remote_transporter_type, m_type);
NDB_CLOSE_SOCKET(sockfd);
DBUG_RETURN(false);
}
// Cache the connect address
my_socket_connect_address(sockfd, &m_connect_address);
if (!connect_client_impl(sockfd))
DBUG_RETURN(false);
m_connected = true;
DBUG_RETURN(true);
}
bool
SocketServer::setup(SocketServer::Service * service,
unsigned short * port,
const char * intface){
DBUG_ENTER("SocketServer::setup");
DBUG_PRINT("enter",("interface=%s, port=%u", intface, *port));
struct sockaddr_in servaddr;
memset(&servaddr, 0, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
servaddr.sin_port = htons(*port);
if(intface != 0){
if(Ndb_getInAddr(&servaddr.sin_addr, intface))
DBUG_RETURN(false);
}
const NDB_SOCKET_TYPE sock = my_socket_create(AF_INET, SOCK_STREAM, 0);
if (!my_socket_valid(sock))
{
DBUG_PRINT("error",("socket() - %d - %s",
socket_errno, strerror(socket_errno)));
DBUG_RETURN(false);
}
DBUG_PRINT("info",("NDB_SOCKET: " MY_SOCKET_FORMAT,
MY_SOCKET_FORMAT_VALUE(sock)));
if (my_socket_reuseaddr(sock, true) == -1)
{
DBUG_PRINT("error",("setsockopt() - %d - %s",
errno, strerror(errno)));
NDB_CLOSE_SOCKET(sock);
DBUG_RETURN(false);
}
if (my_bind_inet(sock, &servaddr) == -1) {
DBUG_PRINT("error",("bind() - %d - %s",
socket_errno, strerror(socket_errno)));
NDB_CLOSE_SOCKET(sock);
DBUG_RETURN(false);
}
/* Get the port we bound to */
if(my_socket_get_port(sock, port))
{
ndbout_c("An error occurred while trying to find out what"
" port we bound to. Error: %d - %s",
socket_errno, strerror(socket_errno));
my_socket_close(sock);
DBUG_RETURN(false);
}
DBUG_PRINT("info",("bound to %u", *port));
if (my_listen(sock, m_maxSessions > 32 ? 32 : m_maxSessions) == -1)
{
DBUG_PRINT("error",("listen() - %d - %s",
socket_errno, strerror(socket_errno)));
my_socket_close(sock);
DBUG_RETURN(false);
}
ServiceInstance i;
i.m_socket = sock;
i.m_service = service;
m_services.push_back(i);
// Increase size to allow polling all listening ports
m_services_poller.set_max_count(m_services.size());
DBUG_RETURN(true);
}
