int main()
{
DataServer* server = new TCPDataServer();
server->setup(12345);
start_listening(server);
unsigned char* receivedDataBuffer = (unsigned char *)malloc(TCP_MAX_MSG_SIZE);
int i=0;
while(true) {
i++;
if(server->isConnected()) {
int receivedSize = server->receiveRawBytes((char *)receivedDataBuffer, TCP_MAX_MSG_SIZE);
if (receivedSize == 0) {
std::cout << "disconected" << std::endl;
start_listening(server);
}else if(receivedSize > 0) {
std::cout << receivedDataBuffer << std::endl;
std::stringstream ss;
ss << "echo: " << receivedDataBuffer << std::endl;
server->send(ss.str());
}
server->send("test\n");
}
}
std::cout << "end" << std::endl;
}
int main(int argc, char **argv)
{
int ret;
ASSERT0(putenv("TZ=UTC"));
cmn_err(CE_INFO, "blahgd version %s", version_string);
/* drop unneeded privs */
ret = drop_privs();
if (ret)
goto err;
jeffpc_init(&init_ops);
init_math(true);
init_pipe_subsys();
init_req_subsys();
init_post_subsys();
init_file_cache();
ret = config_load((argc >= 2) ? argv[1] : NULL);
if (ret)
goto err;
ret = load_all_posts();
if (ret)
goto err;
handle_signals();
ret = start_helpers();
if (ret)
goto err_helpers;
ret = start_listening();
if (ret)
goto err_helpers;
accept_conns();
stop_listening();
stop_helpers();
free_all_posts();
uncache_all_files();
return 0;
err_helpers:
stop_helpers();
err:
DBG("Failed to inintialize: %s", xstrerror(ret));
return ret;
}
void listen()
{
std::lock_guard<std::mutex> lock{listening_mutex_};
if (!listening_) {
start_listening();
}
if (!listening_) {
throw std::runtime_error{"Failed to listening"};
}
}
static void init(void)
{
init_winsock();
create_io_completion_port();
create_listening_socket();
bind_listening_socket();
start_listening();
load_accept_ex();
start_accepting();
}
void TcpServer::accept_handler(const boost::system::error_code & error_code, boost::shared_ptr<tcp::socket> connection, string host, int port)
{
// Log error & return if there is an error
if (error_code)
{
// Check for disconnection errors
std::set<boost::system::error_code>::iterator find_result = disconnect_errors.find(error_code);
if (find_result != disconnect_errors.end())
{
if (error_code == boost::asio::error::operation_aborted)
{
// If we're waiting to shutdown, this is part of the normal process
if(waiting_to_shutdown)
{
Logger::info("TCP server stopped listening for new connections", port, host);
}
else
{
Logger::warn("TCP accept was aborted", port, host);
}
}
else
{
string message("TCP accept failed, disconnected: '" + error_code.message() + "'");
Logger::warn(message, port, host);
fire_disconnect(message);
}
return;
}
string message("Error accepting incoming connection: '" + error_code.message() + "'");
Logger::error(message, port, host);
fire_error(message);
return;
}
// Initialize the socket options before we start using it
init_socket(connection);
// Log that we've successfully accepted a new connection, and fire the 'onconnect' event
string message("TCP server accepted new connection from " + connection->remote_endpoint().address().to_string() + " port "
+ boost::lexical_cast<string>(connection->remote_endpoint().port()));
Logger::info(message, port, host);
fire_connect();
if (connection.get())
connection->async_receive(boost::asio::buffer(receive_buffer),
boost::bind(&TcpServer::receive_handler, this, _1, _2, connection, host, port));
// Start listening for new connections, if we're not waiting to close
if (!waiting_to_shutdown)
{
start_listening();
}
}
int
main(int argc, char **argv)
{
struct event_base *base;
struct evdns_base *dns = NULL;
int opt;
const char *laddr, *lport;
init_socket_stuff();
base = event_base_new();
#ifndef DISABLE_DIRECT_CONNECTIONS
dns = evdns_base_new(base, 1);
#endif
log_set_file(NULL);
laddr = DEFAULT_LISTEN_ADDR;
lport = DEFAULT_LISTEN_PORT;
while ((opt = getopt(argc, argv, "l:p:Vvq")) >= 0) {
switch (opt) {
case 'l':
laddr = optarg;
break;
case 'p':
lport = optarg;
break;
case 'V':
printf("%s\n", PACKAGE_STRING);
exit(1);
case 'v':
increase_log_verbosity();
break;
case 'q':
decrease_log_verbosity();
break;
default:
usage();
}
}
argc -= optind;
argv += optind;
if (argc)
set_socks_server(argv[0]);
start_listening(base, dns, laddr, lport);
event_base_dispatch(base);
return 0;
}
void ServerOSCThread::start_listening()
{
try{
ServerPacketListener listener(server);
mux.AttachSocketListener(this->receiveSocket,&listener);
qDebug() << "press ctrl-c to end";
mux.RunUntilSigInt();
exec();
}
catch(...)
{
qDebug() << "Some king of network error, trying to restart the listening thread...";
start_listening();
}
}
int start_listening_host(const char *host, int port)
{
struct hostent *he = gethostbyname(host);
struct in_addr ip;
if (NULL == he) {
fprintf(stderr,"%s: %s\n",host,hstrerror(h_errno));
return -1;
}
if (4 != he->h_length) {
fprintf(stderr,"%s: unknown address type (length %d)\n",host,he->h_length);
return -1;
}
ip = *((struct in_addr*)he->h_addr_list[0]);
return start_listening(ip,port);
}
int main(int argc, char *argv[]) {
(void)argc;
(void)argv;
sh_err svr_err = start_listening();
if(svr_err >=0) {
printf("\nServer now running on port %s\n",SVR_PORT);
} else {
printf("\n%s",err_str(svr_err));
}
fflush(stdout);
sh_err run_err = run();
return run_err;
}
std::string& RadarServer::get_request(void)
{
transmit_buffer.clear();
if (sock_client > 0)
finalize_client();
if ((sock_listen < 0) && !start_listening()) {
DERR << "listener socket invalid, "
<< "restarting in some seconds..." << std::endl;
sleep(5);
} else if (accept_client()) {
if (sock_getcmd())
shutdown(sock_client, SHUT_RD);
else
finalize_client();
}
return transmit_buffer;
}
static BOOL start_listening_on_all_addresses(messageStorage *msgStorage, ULONG family)
{
IP_ADAPTER_ADDRESSES *adapterAddresses = NULL, *adapterAddress;
ULONG bufferSize = 0;
LPSOCKADDR sockaddr;
DWORD addressLength;
char address[64];
BOOL ret = FALSE;
ULONG retVal;
retVal = GetAdaptersAddresses(family, 0, NULL, NULL, &bufferSize); /* family should be AF_INET or AF_INET6 */
if (retVal != ERROR_BUFFER_OVERFLOW) goto cleanup;
/* Get size of buffer for adapters */
adapterAddresses = (IP_ADAPTER_ADDRESSES *)heap_alloc(bufferSize);
if (adapterAddresses == NULL) goto cleanup;
/* Get list of adapters */
retVal = GetAdaptersAddresses(family, 0, NULL, adapterAddresses, &bufferSize);
if (retVal != ERROR_SUCCESS) goto cleanup;
for (adapterAddress = adapterAddresses; adapterAddress != NULL; adapterAddress = adapterAddress->Next)
{
if (msgStorage->numThreadHandles >= MAX_LISTENING_THREADS)
{
ret = TRUE;
goto cleanup;
}
if (adapterAddress->FirstUnicastAddress == NULL) continue;
sockaddr = adapterAddress->FirstUnicastAddress->Address.lpSockaddr;
addressLength = sizeof(address);
WSAAddressToStringA(sockaddr, adapterAddress->FirstUnicastAddress->Address.iSockaddrLength, NULL, address, &addressLength);
start_listening(msgStorage, adapterAddress->FirstUnicastAddress->Address.lpSockaddr->sa_family == AF_INET ? SEND_ADDRESS_IPV4 : SEND_ADDRESS_IPV6, address);
}
ret = TRUE;
cleanup:
heap_free(adapterAddresses);
return ret;
}
int main(int argc, char** argv)
{
signal(SIGINT,signal_handler);//TODO: OBSOLETE, use sigaction
signal(SIGTERM,signal_handler);
openlog("smlaunch",LOG_CONS|LOG_PID,LOG_USER);
setlogmask(LOG_DEBUG);
sm_log(LOG_INFO,"starting %s server\n",argv[0]);
player_init();
//TODO: make this an option of some kind
//actually...not setting this will be an option
//daemon(0,0);
setup_server();
start_listening();
exit_program(EXIT_SUCCESS);//most likely will never be reached
return (0);
}
Server::Server(PCSTR port, unsigned buflen, Game* game)
:m_port(port), m_buflen(buflen), m_data_buffer(new char[m_buflen]), m_game(game) {
m_state = NOT_STARTED;
int iResult = WSAStartup(MAKEWORD(2,2), &m_wsaData);
if (iResult) {
printf("WSAStartup failed: %d\n", iResult);
m_state = IN_ERROR_STATE;
}
if (m_state != IN_ERROR_STATE) {
setup_addrinfo();
}
if (m_state != IN_ERROR_STATE) {
start_listening();
}
if (m_state != IN_ERROR_STATE) {
m_state = STARTED;
}
}
int main(int argc, char **argv)
{
int port;
int listensock;
int sock;
int bufsize;
setbuf(stdout,NULL);
signal(SIGPIPE,SIG_IGN);
if (3 > argc) {
fprintf(stderr,"Usage: echo1 <port> <bufsize>\n");
return -1;
}
port = atoi(argv[1]);
bufsize = atoi(argv[2]);
check(0 <= (listensock = start_listening(port)));
printf("ready\n");
while (0 <= (sock = accept_connection(listensock))) {
int dalloc = bufsize;
int dsize = 0;
char *data = malloc(bufsize);
int reading = 1;
while (reading || (0 < dsize)) {
fd_set readfds;
fd_set writefds;
int n;
FD_ZERO(&readfds);
FD_ZERO(&writefds);
if (reading)
FD_SET(sock,&readfds);
if (0 < dsize)
FD_SET(sock,&writefds);
check(1 <= select(sock+1,&readfds,&writefds,NULL,NULL));
if (FD_ISSET(sock,&writefds)) {
check (0 <= (n = write(sock,data,dsize)));
memmove(&data[0],&data[n],dsize-n);
dsize -= n;
}
if (FD_ISSET(sock,&readfds)) {
check (0 <= (n = read(sock,&data[dsize],bufsize)));
if (0 == n) {
reading = 0;
}
else {
dsize += n;
if (dalloc < dsize+bufsize) {
dalloc = dsize+bufsize;
data = realloc(data,dalloc);
}
}
}
}
check(0 == close(sock));
free(data);
printf("Connection closed\n");
}
return 0;
}
int main(int argc, const char * argv[])
{
int list = 0;
int i;
const char * port = "4575";
const char * device = NULL;
for (i=1; i<=argc; i++)
{
if (!argv[i]) continue;
if ((strcmp(argv[i],"-h")==0)||(strcmp(argv[i],"--help")==0)||(strcmp(argv[i],"-?")==0))
usage();
if (strncmp(argv[i],"-p=",3)==0)
{
port = argv[i]+3;
continue;
}
if (strncmp(argv[i],"--port=",7)==0)
{
port = argv[i]+7;
continue;
}
if (strcmp(argv[i],"-v")==0)
{
verbose = 1;
continue;
}
if (strcmp(argv[i],"-l")==0)
{
list = 1;
continue;
}
if (strcmp(argv[i],"--list")==0)
{
list = 1;
continue;
}
if (strncmp(argv[i],"--dev=",6)==0)
{
device = argv[i]+6;
continue;
}
printf("Unknown option: %s\n",argv[i]);
usage();
}
if (init_audio()!=0)
return 1;
if ((dev=device_for_string(device))==-1)
{
fprintf(stderr,"Unknown device \"%s\"\n",device?device:"");
cleanup_audio();
return 1;
} else {
fprintf(stderr,"Using device \"%s\"\n",Pa_GetDeviceInfo(dev)->name);
}
if (list)
{
list_devices();
cleanup_audio();
return 0;
}
if (start_listening(port)!=0)
{
cleanup_audio();
return 1;
}
cleanup_audio();
return 0;
}
int main(int argc, const char* argv[])
{
int myport = parse_options(argc, argv);
std::cout << "Reading genomes...\n";
std::cout.flush();
initializeGenomeSystem();
std::cout << "Reading solution...\n";
initializeSolutionSystem();
std::cout << "Got solutions\n";
try {
int listen_socket = start_listening(myport);
fd_set mask, dummy_mask, temp_mask;
FD_ZERO(&mask);
FD_ZERO(&dummy_mask);
FD_SET(listen_socket, &mask);
std::set<int> sockets;
for(;;)
{
temp_mask = mask;
int num = select(FD_SETSIZE, &temp_mask, &dummy_mask, &dummy_mask, NULL);
if( num > 0 )
{
if( FD_ISSET(listen_socket, &temp_mask) )
{
int new_socket = accept(listen_socket, 0, 0);
FD_SET(new_socket, &mask);
sockets.insert(new_socket);
}
for( std::set<int>::iterator iter = sockets.begin(); iter != sockets.end(); ++iter )
{
int cur_sock = *iter;
if( FD_ISSET(cur_sock, &temp_mask) )
{
msgpack::unpacker unpack;
readBuffer(cur_sock, unpack);
message_id_t msg_id;
read(unpack, msg_id);
switch( msg_id )
{
case STORE_NEW_GENOME_ID:
handle_new_genome(cur_sock, unpack);
break;
case STORE_NEW_DATA_ID:
handle_new_data(cur_sock, unpack);
break;
case STORE_NEW_SOLUTION_ID:
handle_new_solution(cur_sock, unpack);
break;
case STORE_QUERY_BY_ID_ID:
handle_query_by_id(cur_sock, unpack);
break;
case STORE_QUERY_BY_COND_ID:
handle_query_by_cond(cur_sock, unpack);
break;
case STORE_GENOME_INFO_QUERY_ID:
handle_genome_info_query(cur_sock, unpack);
break;
case STORE_GENOME_CONTENT_QUERY_ID:
handle_genome_content_query(cur_sock, unpack);
break;
case STORE_MAX_SOL_REQUEST_ID:
handle_max_solution(cur_sock, unpack);
break;
case GENOME_LIST_REQUEST_ID:
handle_genome_list(cur_sock, unpack);
break;
default:
std::cerr << "Unknown message type: " << msg_id << " from socket " << cur_sock << "\n";
}
}
}
}
}
}
catch( const std::exception& err )
{
std::cerr << err.what() << "\n";
exit(-1);
}
return 0;
}
int main(int argc, char* argv[]) {
struct sockaddr incoming;
socklen_t addr_size = sizeof(incoming);
int listen_fd, accept_fd;
char* port = "4080";
char* host = "::1";
char keydb_file[4096];
char keydb_freelist[4096];
char db_file[4096];
char idx_file[4096];
char block_bitmap_file[4096];
int chld;
int i;
int ch;
// parse our cmd line args
while ((ch = getopt(argc, argv, "d:h:p:")) != -1) {
switch (ch) {
case 'd':
sprintf(DATA_HOME, "%s", optarg);
break;
case 'h':
host = optarg;
break;
case 'p':
port = optarg;
break;
case '?':
default:
usage(argv[0]);
}
}
argc -= optind;
argv += optind;
sprintf(keydb_file, "%s/keydb", DATA_HOME);
sprintf(keydb_freelist, "%s/keydb_freelist", DATA_HOME);
sprintf(db_file, "%s/db", DATA_HOME);
sprintf(idx_file, "%s/idx", DATA_HOME);
sprintf(block_bitmap_file, "%s/block_bitmap", DATA_HOME);
// Used to coordinate exclusive access to the block bitmap.
if ((BLOCK_BITMAP_LOCK = sem_open("block_bitmap_lock", O_CREAT, 0666, 1)) == SEM_FAILED) {
perror("semaphore init failed");
exit(-1);
}
sem_post(BLOCK_BITMAP_LOCK);
// Used to coordinate exclusive access to the bitmap array of keydb locks.
if ((KEYDB_LOCK = sem_open("keydb_lock", O_CREAT, 0666, 1)) == SEM_FAILED) {
perror("semaphore init failed");
exit(-1);
}
sem_post(KEYDB_LOCK);
// This is used to safely append to the end of the index file.
if ((IDX_APPEND_LOCK = sem_open("idx_lock", O_CREAT, 0666, 1)) == SEM_FAILED) {
perror("semaphore init failed");
exit(-1);
}
sem_post(IDX_APPEND_LOCK);
// Used to coordinate exclusive access to the bitmap array of hash key space locks.
if ((HASHBUCKET_LOCK = sem_open("hashbucket_lock", O_CREAT, 0666, 1)) == SEM_FAILED) {
perror("semaphore init failed");
exit(-1);
}
sem_post(HASHBUCKET_LOCK);
// Memory-map our block bitmap file creating it if necessary.
// The block bitmap keeps track of free/busy blocks in the db file.
if ((BLOCK_BITMAP_FD = open(block_bitmap_file, O_RDWR | O_CREAT, 0666)) == -1) {
fprintf(stderr, "Couldn't open block bitmap file %s\n", block_bitmap_file);
perror(NULL);
exit(-1);
}
if ((SHM_BLOCK_BITMAP = mmap((caddr_t)0, BLOCK_BITMAP_BYTES, PROT_READ | PROT_WRITE, MAP_SHARED, BLOCK_BITMAP_FD, 0)) == MAP_FAILED) {
perror("Problem mmapping the block bitmap");
exit(-1);
}
// A mem-mapped block of anonymous memory used to lock parts of the database index.
// See hash_write_lock() and hash_write_unlock()
if ((SHM_HASHBUCKET_BITMAP = mmap((caddr_t)0, ((1<<HASH_BITS)/8), PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0)) == MAP_FAILED) {
perror("Problem mmapping the hash bitmap");
exit(-1);
}
// A mem-mapped block of anonymous memory used to lock parts of the keydb tree.
// See keydb_lock() and keydb_unlock()
if ((SHM_KEYDB_BITMAP = mmap((caddr_t)0, ((KEYDB_LOCKS)/8), PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0)) == MAP_FAILED) {
perror("Problem mmapping the keydb lock bitmap");
exit(-1);
}
// register a function to reap our dead children
signal(SIGCHLD, sigchld_handler);
// Register a function to kill our children.
// We'll unregister this function in our children.
signal(SIGTERM, sigterm_handler_parent);
// Open our database file
if ((DB_FD = open(db_file, O_RDWR | O_CREAT, 0666)) == -1) {
fprintf(stderr, "Couldn't open database file named %s\n", db_file);
perror(NULL);
exit(-1);
}
// Open our keydb file
if ((KEYDB_FD = open(keydb_file, O_RDWR | O_CREAT, 0666)) == -1) {
fprintf(stderr, "Couldn't open key file named %s\n", keydb_file);
perror(NULL);
exit(-1);
}
// Open our keydb freelist
if ((KEYDB_FREELIST_FD = open(keydb_freelist, O_RDWR | O_CREAT, 0666)) == -1) {
fprintf(stderr, "Couldn't open key file named %s\n", keydb_freelist);
perror(NULL);
exit(-1);
}
// Open our index file
if ((IDX_FD = open(idx_file, O_RDWR | O_CREAT, 0666)) == -1) {
fprintf(stderr, "Couldn't open index file named %s\n", idx_file);
perror(NULL);
exit(-1);
}
// Demonize ourself.
if ((chld = fork()) != 0 ) {printf("%d\n",chld); return(0);};
// Start listening
if ((listen_fd = start_listening(host, port, BACKLOG)) == -1) {
fprintf(stderr, "Call to start_listening failed\n");
perror(NULL);
exit(-1);
}
fprintf(stderr, "Started listening.\n");
while (1) {
// Accept new connection.
if ((accept_fd = accept(listen_fd, (struct sockaddr *)&incoming, &addr_size)) == -1) {
fprintf(stderr, "Call to accept() failed.\n");
return(-1);
}
fcntl(accept_fd, F_SETFD, O_NONBLOCK);
// Start a child with the new connection.
if ((chld = fork()) == 0 ){
guts(accept_fd, listen_fd);
} else {
close(accept_fd);
}
} // while (1)
return(0);
}
int main(int argc, char **argv)
{
int port;
int listensock;
int sock;
setbuf(stdout,NULL);
memset(&recvbuf,0,sizeof(recvbuf));
if (2 > argc) {
fprintf(stderr,"Usage: msgserver <port>\n");
return -1;
}
port = atoi(argv[1]);
if (0 > (listensock = start_listening(port)))
return -1;
printf("Waiting for connection...\n");
while (0 <= (sock = accept_connection(listensock))) {
/* Reset the buffer size to 0 in case a previous connection closed without
completing the last message. */
recvbuf.size = 0;
while (1) {
int r;
/* Allocate more memory for the receive buffer, if necessary */
if (recvbuf.alloc < recvbuf.size+CHUNKSIZE) {
recvbuf.alloc = recvbuf.size+CHUNKSIZE;
recvbuf.data = realloc(recvbuf.data,recvbuf.alloc);
}
/* Read the next chunk of data */
r = read(sock,&recvbuf.data[recvbuf.size],CHUNKSIZE);
if (0 > r) {
/* Read error */
perror("read");
close(sock);
break;
}
else if (0 == r) {
/* Clean disconnect */
if (0 < recvbuf.size)
fprintf(stderr,"Client disconnected without completing message\n");
close(sock);
break;
}
else {
/* We have some data... process all of the completed messages we've
received so far. It is possible that the call to read may have
obtained the data from a message that was incomplete the last
time round, so this will be processed too. */
recvbuf.size += r;
process_incoming();
}
}
printf("Client closed connection\n");
}
return 0;
}
void ServerOSCThread::run() {
start_listening();
}