int main(int argc, char const *argv[])
{
char *ip, *port;
get_input(argc, argv, &ip, &port);
printf("IP = %s\n", ip);
printf("Port = %s\n", port);
int sock;
sock = create_socket(SOCK_DGRAM, ip);
/* PROTOTIPO de como ENVIA mensagens */
char msg[BUF_SIZE];
strcat(msg, "GET /index.html HTTP/1.1\r\nHost: ");
strcat(msg, ip);
strcat(msg, "\r\n\r\n");
print_request(msg);
send_all(sock, msg);
/* PROTOTIPO de como RECEBE mensagens */
// int recv(int sockfd, void *buf, int len, int flags);
char *buff;
size_t by_recv;
by_recv = recv_all(sock, &buff, BUF_SIZE);
print_response(buff);
return 0;
}
/*******************************************************************************
* this function is called by the client
* it takes care that the request is processed by the buffer
*******************************************************************************/
int clientrequest(int server, const message_t *request, message_t **response_ptr) {
int verbose = 0;
if (verbose>0) fprintf(stderr, "clientrequest: server = %d\n", server);
if (verbose>0) print_request(request->def);
if (server<0) {
fprintf(stderr, "clientrequest: invalid value for server (%d)\n", server);
return -1;
}
else if (server==0) {
/* use direct memory acces to the buffer */
if (dmarequest(request, response_ptr)!=0)
return -2;
}
else if (server>0) {
/* use TCP connection to the buffer */
if (tcprequest(server, request, response_ptr)!=0)
return -3;
}
if (verbose>0) print_response((*response_ptr)->def);
/* everything went fine */
return 0;
}
static void
soup_logger_request_started (SoupSessionFeature *feature,
SoupSession *session,
SoupMessage *msg,
SoupSocket *socket)
{
SoupLogger *logger = SOUP_LOGGER (feature);
gboolean restarted;
guint msg_id;
g_return_if_fail (SOUP_IS_SESSION (session));
g_return_if_fail (SOUP_IS_MESSAGE (msg));
g_return_if_fail (SOUP_IS_SOCKET (socket));
msg_id = soup_logger_get_id (logger, msg);
if (msg_id)
restarted = TRUE;
else {
soup_logger_set_id (logger, msg);
restarted = FALSE;
}
if (!soup_logger_get_id (logger, session))
soup_logger_set_id (logger, session);
if (!soup_logger_get_id (logger, socket))
soup_logger_set_id (logger, socket);
print_request (logger, msg, session, socket, restarted);
soup_logger_print (logger, SOUP_LOGGER_LOG_MINIMAL, ' ', "");
}
int main(int argc, char *argv[]) {
int server, offset;
int n;
messagedef_t request, response;
event_t event;
eventsel_t eventsel;
void *buf = NULL;
if (argc != 3) {
fprintf(stderr, "USAGE: application <server_ip> <port>\n");
exit(1);
}
/* open the TCP socket */
if ((server = open_connection(argv[1], atoi(argv[2]))) < 0) {
fprintf(stderr, "ERROR; failed to create socket\n");
exit(1);
}
request.version = VERSION;
request.command = GET_EVT;
request.bufsize = 0; // sizeof(eventsel_t);
// eventsel.begevent = 0;
// eventsel.endevent = 2;
fprintf(stderr, "------------------------------\n");
print_request(&request);
write(server, &request, sizeof(messagedef_t));
// write(server, &eventsel, sizeof(eventsel_t));
read(server, &response, sizeof(messagedef_t));
fprintf(stderr, "------------------------------\n");
print_response(&response);
fprintf(stderr, "------------------------------\n");
if (response.command==GET_OK) {
buf = malloc(response.bufsize);
if ((n = bufread(server, buf, response.bufsize)) < response.bufsize) {
fprintf(stderr, "problem reading enough bytes (%d)\n", n);
}
else {
n = 0;
offset = 0;
while (offset<response.bufsize) {
event.def = buf+offset;
event.buf = buf+offset+sizeof(eventdef_t);
fprintf(stderr, "\n");
print_eventdef(event.def);
offset += sizeof(eventdef_t) + event.def->bufsize;
n++;
}
}
FREE(buf);
}
close(server);
exit(0);
}
int buffer_gethdr(int server, mxArray *plhs[], const mxArray *prhs[])
{
int verbose = 0;
int result = 0;
message_t *request = NULL;
message_t *response = NULL;
/* this is for the Matlab specific output */
const char *field_names[NUMBER_OF_FIELDS] = {"nchans", "nsamples", "nevents", "fsample", "data_type", "bufsize"};
/* allocate the elements that will be used in the communication */
request = malloc(sizeof(message_t));
request->def = malloc(sizeof(messagedef_t));
request->buf = NULL;
request->def->version = VERSION;
request->def->command = GET_HDR;
request->def->bufsize = 0;
if (verbose) print_request(request->def);
result = clientrequest(server, request, &response);
if (result == 0) {
if (verbose) print_response(response->def);
if (response->def->command==GET_OK) {
headerdef_t *headerdef = (headerdef_t *) response->buf;
if (verbose) print_headerdef(headerdef);
plhs[0] = mxCreateStructMatrix(1, 1, NUMBER_OF_FIELDS, field_names);
mxSetFieldByNumber(plhs[0], 0, 0, mxCreateDoubleScalar((double)(headerdef->nchans)));
mxSetFieldByNumber(plhs[0], 0, 1, mxCreateDoubleScalar((double)(headerdef->nsamples)));
mxSetFieldByNumber(plhs[0], 0, 2, mxCreateDoubleScalar((double)(headerdef->nevents)));
mxSetFieldByNumber(plhs[0], 0, 3, mxCreateDoubleScalar((double)(headerdef->fsample)));
mxSetFieldByNumber(plhs[0], 0, 4, mxCreateDoubleScalar((double)(headerdef->data_type)));
mxSetFieldByNumber(plhs[0], 0, 5, mxCreateDoubleScalar((double)(headerdef->bufsize)));
addChunksToMatrix(plhs[0], (const char *) response->buf + sizeof(headerdef_t), headerdef->bufsize, headerdef->nchans);
}
else {
result = response->def->command;
}
}
if (response) {
FREE(response->def);
FREE(response->buf);
FREE(response);
}
if (request) {
FREE(request->def);
FREE(request->buf);
FREE(request);
}
return result;
}
void print_packet(corefs_packet pkt){
dprintf(stderr, "--------------------------------------------------------\n");
dprintf(stderr,"<header>\n");
dprintf(stderr, "\t| magic[0x%x] | type[0x%x] | sequence[0x%x] | payload_size[0d%u] |\n",pkt.header.magic, pkt.header.type, pkt.header.sequence, pkt.header.payload_size);
dprintf(stderr,"<\\header>\n");
dprintf(stderr, "--------------------------------------------------------\n");
if(pkt.header.type == COREFS_REQUEST) print_request(pkt);
if(pkt.header.type == COREFS_RESPONSE) print_response(pkt);
}
static void
send_raw_data (Event_Type et, Object *obj, Any_Type regarg, Any_Type callarg)
{
Call *call;
assert (et == EV_CALL_SEND_RAW_DATA && object_is_call (obj));
call = (Call *) obj;
print_request (call);
}
int
main()
{
struct sockaddr_in from;
socklen_t from_size = (socklen_t)sizeof (from);
int cc;
int name_length = sizeof (hostname);
fd_set rfds;
struct timeval tv;
(void) sysinfo(SI_HOSTNAME, hostname, name_length);
for (;;) {
tv.tv_sec = MAX_LIFE;
tv.tv_usec = 0;
FD_ZERO(&rfds);
FD_SET(0, &rfds);
if (select(1, &rfds, 0, 0, &tv) <= 0)
return (0);
cc = recvfrom(0, (char *)&request, sizeof (request), 0,
(struct sockaddr *)&from, &from_size);
if (cc != sizeof (request)) {
if (cc < 0 && errno != EINTR) {
print_error("receive");
}
} else {
if (debug) {
(void) printf("Request received : \n");
(void) print_request(&request);
}
request = swapmsg(request);
process_request(&request, &response);
if (debug) {
(void) printf("Response sent : \n");
print_response(&response);
}
/*
* Can block here, is this what I want?
*/
cc = sendto(0, (char *)&response, sizeof (response), 0,
(struct sockaddr *)&request.ctl_addr,
(socklen_t)sizeof (request.ctl_addr));
if (cc != sizeof (response)) {
print_error("Send");
}
}
}
}
static CTL_MSG *
lookup_request (CTL_MSG * request,
int (*comp) (table_t *, CTL_MSG *, time_t *))
{
table_t *ptr;
time_t now;
time (&now);
if (debug)
print_request ("lookup_request", request);
for (ptr = table; ptr; ptr = ptr->next)
{
if (debug)
print_request ("comparing against: ", &ptr->request);
if ((ptr->time - now) > max_request_ttl)
{
/* the entry is too old */
if (debug)
print_request ("deleting expired entry", &ptr->request);
table_delete (ptr);
}
else
{
if (comp (ptr, request, &now) == 0)
{
if (debug)
print_request ("found", &ptr->request);
return &ptr->request;
}
}
}
if (debug)
syslog (LOG_DEBUG, "not found");
return NULL;
}
int main(int argc, char *argv[]) {
int server;
int n;
messagedef_t request, response;
header_t header;
void *buf = NULL;
if (argc != 3) {
fprintf(stderr, "USAGE: application <server_ip> <port>\n");
exit(1);
}
/* open the TCP socket */
if ((server = open_connection(argv[1], atoi(argv[2]))) < 0) {
fprintf(stderr, "ERROR; failed to create socket\n");
exit(1);
}
request.version = VERSION;
request.command = GET_HDR;
request.bufsize = 0;
fprintf(stderr, "------------------------------\n");
print_request(&request);
bufwrite(server, &request, sizeof(messagedef_t));
bufread(server, &response, sizeof(messagedef_t));
fprintf(stderr, "------------------------------\n");
print_response(&response);
fprintf(stderr, "------------------------------\n");
if (response.command==GET_OK) {
buf = malloc(response.bufsize);
if ((n = bufread(server, buf, response.bufsize)) < response.bufsize) {
fprintf(stderr, "problem reading enough bytes (%d)\n", n);
}
else {
header.def = (headerdef_t *)buf;
header.buf = (char *) buf+sizeof(headerdef_t);
print_headerdef(header.def);
}
FREE(buf);
}
close(server);
exit(0);
}
void iSLIP_schedule(int *accept,int *request,int *grant,int *ai,int *gi,int *ql,int numPort)
{
init(accept,request,grant,numPort);
send_request(request,ql,numPort);
#ifdef DEBUG
print_request(request,numPort);
#endif
do_grant(request,grant,gi,numPort);
#ifdef DEBUG
print_grant(grant,gi,numPort);
#endif
do_accept(accept,grant,ai,numPort);
update_priorityPointers(grant,accept,gi,numPort);
#ifdef DEBUG
print_accept(accept,ai,numPort);
print_pointers(gi,numPort);
#endif
}
void buffer_flushdat(char *hostname, int port, mxArray *plhs[], const mxArray *prhs[])
{
int server;
int verbose = 0;
message_t *request = NULL;
message_t *response = NULL;
header_t *header = NULL;
/* allocate the elements that will be used in the communication */
request = malloc(sizeof(message_t));
request->def = malloc(sizeof(messagedef_t));
request->buf = NULL;
request->def->version = VERSION;
request->def->command = FLUSH_DAT;
request->def->bufsize = 0;
/* open the TCP socket */
if ((server = open_connection(hostname, port)) < 0) {
mexErrMsgTxt("ERROR: failed to create socket\n");
}
if (verbose) print_request(request->def);
clientrequest(server, request, &response);
if (verbose) print_response(response->def);
close_connection(server);
if (response->def->command!=FLUSH_OK) {
mexErrMsgTxt("ERROR: the buffer returned an error\n");
}
if (request) {
FREE(request->def);
FREE(request->buf);
FREE(request);
}
if (response) {
FREE(response->def);
FREE(response->buf);
FREE(response);
}
return;
}
int buffer_flushevt(int server, mxArray *plhs[], const mxArray *prhs[])
{
int verbose = 0;
int result;
message_t *request = NULL;
message_t *response = NULL;
/* allocate the elements that will be used in the communication */
request = malloc(sizeof(message_t));
request->def = malloc(sizeof(messagedef_t));
request->buf = NULL;
request->def->version = VERSION;
request->def->command = FLUSH_EVT;
request->def->bufsize = 0;
if (verbose) print_request(request->def);
result = clientrequest(server, request, &response);
if (verbose) print_response(response->def);
if (result == 0) {
if (response->def->command!=FLUSH_OK) {
result = response->def->command;
}
}
if (request) {
FREE(request->def);
FREE(request->buf);
FREE(request);
}
if (response) {
FREE(response->def);
FREE(response->buf);
FREE(response);
}
return result;
}
int
main (int argc, char **argv)
{
int retval;
PRFileDesc *in_file;
FILE *out_file; /* not PRFileDesc until SECU accepts it */
int crequest, dresponse;
int prequest, presponse;
int ccert, vcert;
const char *db_dir, *date_str, *cert_usage_str, *name;
const char *responder_name, *responder_url, *signer_name;
PRBool add_acceptable_responses, add_service_locator;
SECItem *data = NULL;
PLOptState *optstate;
SECStatus rv;
CERTCertDBHandle *handle = NULL;
SECCertUsage cert_usage;
PRTime verify_time;
CERTCertificate *cert = NULL;
PRBool ascii = PR_FALSE;
retval = -1; /* what we return/exit with on error */
program_name = PL_strrchr(argv[0], '/');
program_name = program_name ? (program_name + 1) : argv[0];
in_file = PR_STDIN;
out_file = stdout;
crequest = 0;
dresponse = 0;
prequest = 0;
presponse = 0;
ccert = 0;
vcert = 0;
db_dir = NULL;
date_str = NULL;
cert_usage_str = NULL;
name = NULL;
responder_name = NULL;
responder_url = NULL;
signer_name = NULL;
add_acceptable_responses = PR_FALSE;
add_service_locator = PR_FALSE;
optstate = PL_CreateOptState (argc, argv, "AHLPR:S:V:d:l:pr:s:t:u:w:");
if (optstate == NULL) {
SECU_PrintError (program_name, "PL_CreateOptState failed");
return retval;
}
while (PL_GetNextOpt (optstate) == PL_OPT_OK) {
switch (optstate->option) {
case '?':
short_usage (program_name);
return retval;
case 'A':
add_acceptable_responses = PR_TRUE;
break;
case 'H':
long_usage (program_name);
return retval;
case 'L':
add_service_locator = PR_TRUE;
break;
case 'P':
presponse = 1;
break;
case 'R':
dresponse = 1;
name = optstate->value;
break;
case 'S':
ccert = 1;
name = optstate->value;
break;
case 'V':
vcert = 1;
name = optstate->value;
break;
case 'a':
ascii = PR_TRUE;
break;
case 'd':
db_dir = optstate->value;
break;
case 'l':
responder_url = optstate->value;
break;
case 'p':
prequest = 1;
break;
case 'r':
crequest = 1;
name = optstate->value;
break;
case 's':
signer_name = optstate->value;
break;
case 't':
responder_name = optstate->value;
break;
case 'u':
cert_usage_str = optstate->value;
break;
case 'w':
date_str = optstate->value;
break;
}
}
PL_DestroyOptState(optstate);
if ((crequest + dresponse + prequest + presponse + ccert + vcert) != 1) {
PR_fprintf (PR_STDERR, "%s: must specify exactly one command\n\n",
program_name);
short_usage (program_name);
return retval;
}
if (vcert) {
if (cert_usage_str == NULL) {
PR_fprintf (PR_STDERR, "%s: verification requires cert usage\n\n",
program_name);
short_usage (program_name);
return retval;
}
rv = cert_usage_from_char (cert_usage_str, &cert_usage);
if (rv != SECSuccess) {
PR_fprintf (PR_STDERR, "%s: invalid cert usage (\"%s\")\n\n",
program_name, cert_usage_str);
long_usage (program_name);
return retval;
}
}
if (ccert + vcert) {
if (responder_url != NULL || responder_name != NULL) {
/*
* To do a full status check, both the URL and the cert name
* of the responder must be specified if either one is.
*/
if (responder_url == NULL || responder_name == NULL) {
if (responder_url == NULL)
PR_fprintf (PR_STDERR,
"%s: must also specify responder location\n\n",
program_name);
else
PR_fprintf (PR_STDERR,
"%s: must also specify responder name\n\n",
program_name);
short_usage (program_name);
return retval;
}
}
if (date_str != NULL) {
rv = DER_AsciiToTime (&verify_time, (char *) date_str);
if (rv != SECSuccess) {
SECU_PrintError (program_name, "error converting time string");
PR_fprintf (PR_STDERR, "\n");
long_usage (program_name);
return retval;
}
} else {
verify_time = PR_Now();
}
}
retval = -2; /* errors change from usage to runtime */
/*
* Initialize the NSPR and Security libraries.
*/
PR_Init (PR_SYSTEM_THREAD, PR_PRIORITY_NORMAL, 1);
db_dir = SECU_ConfigDirectory (db_dir);
rv = NSS_Init (db_dir);
if (rv != SECSuccess) {
SECU_PrintError (program_name, "NSS_Init failed");
goto prdone;
}
SECU_RegisterDynamicOids();
if (prequest + presponse) {
MAKE_FILE_BINARY(stdin);
data = read_file_into_item (in_file, siBuffer);
if (data == NULL) {
SECU_PrintError (program_name, "problem reading input");
goto nssdone;
}
}
if (crequest + dresponse + presponse + ccert + vcert) {
handle = CERT_GetDefaultCertDB();
if (handle == NULL) {
SECU_PrintError (program_name, "problem getting certdb handle");
goto nssdone;
}
/*
* It would be fine to do the enable for all of these commands,
* but this way we check that everything but an overall verify
* can be done without it. That is, that the individual pieces
* work on their own.
*/
if (vcert) {
rv = CERT_EnableOCSPChecking (handle);
if (rv != SECSuccess) {
SECU_PrintError (program_name, "error enabling OCSP checking");
goto nssdone;
}
}
if ((ccert + vcert) && (responder_name != NULL)) {
rv = CERT_SetOCSPDefaultResponder (handle, responder_url,
responder_name);
if (rv != SECSuccess) {
SECU_PrintError (program_name,
"error setting default responder");
goto nssdone;
}
rv = CERT_EnableOCSPDefaultResponder (handle);
if (rv != SECSuccess) {
SECU_PrintError (program_name,
"error enabling default responder");
goto nssdone;
}
}
}
#define NOTYET(opt) \
{ \
PR_fprintf (PR_STDERR, "%s not yet working\n", opt); \
exit (-1); \
}
if (name) {
cert = find_certificate(handle, name, ascii);
}
if (crequest) {
if (signer_name != NULL) {
NOTYET("-s");
}
rv = create_request (out_file, handle, cert, add_service_locator,
add_acceptable_responses);
} else if (dresponse) {
if (signer_name != NULL) {
NOTYET("-s");
}
rv = dump_response (out_file, handle, cert, responder_url);
} else if (prequest) {
rv = print_request (out_file, data);
} else if (presponse) {
rv = print_response (out_file, data, handle);
} else if (ccert) {
if (signer_name != NULL) {
NOTYET("-s");
}
rv = get_cert_status (out_file, handle, cert, name, verify_time);
} else if (vcert) {
if (signer_name != NULL) {
NOTYET("-s");
}
rv = verify_cert (out_file, handle, cert, name, cert_usage, verify_time);
}
if (rv != SECSuccess)
SECU_PrintError (program_name, "error performing requested operation");
else
retval = 0;
nssdone:
if (cert) {
CERT_DestroyCertificate(cert);
}
if (data != NULL) {
SECITEM_FreeItem (data, PR_TRUE);
}
if (handle != NULL) {
CERT_DisableOCSPDefaultResponder(handle);
CERT_DisableOCSPChecking (handle);
}
if (NSS_Shutdown () != SECSuccess) {
retval = 1;
}
prdone:
PR_Cleanup ();
return retval;
}
/*
* SOCKDGRAM is unreliable, so we must repeat messages if we have
* not received an acknowledgement within a reasonable amount
* of time
*/
void TalkConnection::ctl_transact(int type, int id_num)
{
if (protocol == noProtocol)
/** We've been so far, but we still don't know which protocol to use.
* Let's check it, the way ktalk does. */
findProtocol();
fd_set read_mask, ctl_mask;
int nready=0, cc, size, ok=0;
struct timeval wait;
struct sockaddr_in daemon_addr;
char * msg;
if (protocol == talkProtocol) {
old_msg.type = type;
old_msg.id_num = htonl(id_num);
msg = (char *)&old_msg;
size = sizeof old_msg;
} else {
new_msg.type = type;
new_msg.id_num = htonl(id_num);
msg = (char *)&new_msg;
size = sizeof new_msg;
print_request("ctl_transact: ",&new_msg);
}
daemon_addr.sin_family = AF_INET;
daemon_addr.sin_addr = his_machine_addr;
daemon_addr.sin_port = (protocol == talkProtocol) ? talkDaemonPort : ntalkDaemonPort;
FD_ZERO(&ctl_mask);
FD_SET(ctl_sockt, &ctl_mask);
/* Keep sending the message until a response of
* the proper type is obtained.
*/
do {
/* resend message until a response is obtained */
do {
cc = sendto(ctl_sockt, msg, size, 0,
(struct sockaddr *)&daemon_addr,
sizeof (daemon_addr));
if (cc != size) {
if (errno == EINTR)
continue;
p_error("Error on write to talk daemon");
}
read_mask = ctl_mask;
wait.tv_sec = CTL_WAIT;
wait.tv_usec = 0;
nready = ::select(ctl_sockt+1, &read_mask, 0, 0, &wait);
if (nready < 0) {
if (errno == EINTR)
continue;
p_error("Error waiting for daemon response");
}
if (nready == 0) ktalk_debug("select returned 0 ! ");
} while (nready == 0);
/*
* Keep reading while there are queued messages
* (this is not necessary, it just saves extra
* request/acknowledgements being sent)
*/
do {
if (protocol == talkProtocol)
cc = ::recv(ctl_sockt, (char *)&old_resp, sizeof (old_resp), 0);
else
cc = ::recv(ctl_sockt, (char *)&new_resp, sizeof (new_resp), 0);
if (cc < 0) {
if (errno == EINTR)
continue;
p_error("Error on read from talk daemon");
}
read_mask = ctl_mask;
/* an immediate poll */
timerclear(&wait);
nready = ::select(ctl_sockt+1, &read_mask, 0, 0, &wait);
if (protocol == talkProtocol) ok = (old_resp.type == type);
else ok = ((new_resp.type == type) && (new_resp.vers == TALK_VERSION));
} while (nready > 0 && (!ok));
} while (!ok);
if (protocol == talkProtocol) {
old_resp.id_num = ntohl(old_resp.id_num);
old_resp.addr.ta_family = ntohs(old_resp.addr.ta_family);
} else {
new_resp.id_num = ntohl(new_resp.id_num);
new_resp.addr.ta_family = ntohs(new_resp.addr.ta_family);
}
}
void buffer_getdat(char *hostname, int port, mxArray *plhs[], const mxArray *prhs[])
{
int server;
int verbose = 0;
size_t n;
double *val;
char msg[512];
message_t *request = NULL;
message_t *response = NULL;
header_t *header = NULL;
data_t *data = NULL;
datasel_t datasel;
/* this is for the Matlab specific output */
const char *field_names[NUMBER_OF_FIELDS] = {"nchans", "nsamples", "data_type", "bufsize", "buf"};
mxArray *datp;
/* allocate the elements that will be used in the communication */
request = malloc(sizeof(message_t));
request->def = malloc(sizeof(messagedef_t));
request->buf = NULL;
request->def->version = VERSION;
request->def->command = GET_DAT;
request->def->bufsize = 0;
if ((prhs[0]!=NULL) && (mxGetNumberOfElements(prhs[0])==2) && (mxIsDouble(prhs[0])) && (!mxIsComplex(prhs[0]))) {
/* fprintf(stderr, "args OK\n"); */
val = (double *)mxGetData(prhs[0]);
datasel.begsample = (UINT32_T)(val[0]);
datasel.endsample = (UINT32_T)(val[1]);
if (verbose) print_datasel(&datasel);
request->def->bufsize = append(&request->buf, request->def->bufsize, &datasel, sizeof(datasel_t));
}
/* open the TCP socket */
if ((server = open_connection(hostname, port)) < 0) {
sprintf(msg, "ERROR: failed to create socket (%d)\n", server);
mexErrMsgTxt(msg);
}
if (verbose) print_request(request->def);
clientrequest(server, request, &response);
if (verbose) print_response(response->def);
close_connection(server);
if (response->def->command==GET_OK) {
data = malloc(sizeof(data_t));
data->def = response->buf;
data->buf = (char *)response->buf + sizeof(datadef_t);
if (verbose) print_datadef(data->def);
switch (data->def->data_type) {
case DATATYPE_INT8:
datp = mxCreateNumericMatrix(data->def->nchans, data->def->nsamples, mxINT8_CLASS, mxREAL);
memcpy(mxGetPr(datp), data->buf, data->def->nchans*data->def->nsamples*WORDSIZE_INT8);
break;
case DATATYPE_INT16:
datp = mxCreateNumericMatrix(data->def->nchans, data->def->nsamples, mxINT16_CLASS, mxREAL);
memcpy(mxGetPr(datp), data->buf, data->def->nchans*data->def->nsamples*WORDSIZE_INT16);
break;
case DATATYPE_INT32:
datp = mxCreateNumericMatrix(data->def->nchans, data->def->nsamples, mxINT32_CLASS, mxREAL);
memcpy(mxGetPr(datp), data->buf, data->def->nchans*data->def->nsamples*WORDSIZE_INT32);
break;
case DATATYPE_INT64:
datp = mxCreateNumericMatrix(data->def->nchans, data->def->nsamples, mxINT64_CLASS, mxREAL);
memcpy(mxGetPr(datp), data->buf, data->def->nchans*data->def->nsamples*WORDSIZE_INT64);
break;
case DATATYPE_FLOAT32:
datp = mxCreateNumericMatrix(data->def->nchans, data->def->nsamples, mxSINGLE_CLASS, mxREAL);
memcpy(mxGetPr(datp), data->buf, data->def->nchans*data->def->nsamples*WORDSIZE_FLOAT32);
break;
case DATATYPE_FLOAT64:
datp = mxCreateNumericMatrix(data->def->nchans, data->def->nsamples, mxDOUBLE_CLASS, mxREAL);
memcpy(mxGetPr(datp), data->buf, data->def->nchans*data->def->nsamples*WORDSIZE_FLOAT64);
break;
default:
mexErrMsgTxt("ERROR; unsupported data type\n");
}
plhs[0] = mxCreateStructMatrix(1, 1, NUMBER_OF_FIELDS, field_names);
mxSetFieldByNumber(plhs[0], 0, 0, mxCreateDoubleScalar((double)data->def->nchans));
mxSetFieldByNumber(plhs[0], 0, 1, mxCreateDoubleScalar((double)(data->def->nsamples)));
mxSetFieldByNumber(plhs[0], 0, 2, mxCreateDoubleScalar((double)(data->def->data_type)));
mxSetFieldByNumber(plhs[0], 0, 3, mxCreateDoubleScalar((double)(data->def->bufsize)));
mxSetFieldByNumber(plhs[0], 0, 4, datp);
FREE(data);
}
else {
sprintf(msg, "ERROR: the buffer returned an error (%d)\n", response->def->command);
mexErrMsgTxt(msg);
}
if (request) {
FREE(request->def);
FREE(request->buf);
FREE(request);
}
if (response) {
FREE(response->def);
FREE(response->buf);
FREE(response);
}
return;
}
void
process_request(CTL_MSG *mp, CTL_RESPONSE *rp)
{
CTL_MSG *ptr;
char *s;
rp->vers = TALK_VERSION;
rp->type = mp->type;
rp->id_num = htonl(0);
if (mp->vers != TALK_VERSION) {
syslog(LOG_WARNING, "bad protocol version %d", mp->vers);
rp->answer = BADVERSION;
return;
}
mp->id_num = ntohl(mp->id_num);
mp->addr.sa_family = ntohs(mp->addr.sa_family);
if (mp->addr.sa_family != AF_INET) {
syslog(LOG_WARNING, "bad address, family %d",
mp->addr.sa_family);
rp->answer = BADADDR;
return;
}
mp->ctl_addr.sa_family = ntohs(mp->ctl_addr.sa_family);
if (mp->ctl_addr.sa_family != AF_INET) {
syslog(LOG_WARNING, "bad control address, family %d",
mp->ctl_addr.sa_family);
rp->answer = BADCTLADDR;
return;
}
for (s = mp->l_name; *s; s++)
if (!isprint(*s)) {
syslog(LOG_NOTICE, "illegal user name. Aborting");
rp->answer = FAILED;
return;
}
mp->pid = ntohl(mp->pid);
if (debug)
print_request("process_request", mp);
switch (mp->type) {
case ANNOUNCE:
do_announce(mp, rp);
break;
case LEAVE_INVITE:
ptr = find_request(mp);
if (ptr != NULL) {
rp->id_num = htonl(ptr->id_num);
rp->answer = SUCCESS;
} else
insert_table(mp, rp);
break;
case LOOK_UP:
ptr = find_match(mp);
if (ptr != NULL) {
rp->id_num = htonl(ptr->id_num);
rp->addr = ptr->addr;
rp->addr.sa_family = htons(ptr->addr.sa_family);
rp->answer = SUCCESS;
} else
rp->answer = NOT_HERE;
break;
case DELETE:
rp->answer = delete_invite(mp->id_num);
break;
default:
rp->answer = UNKNOWN_REQUEST;
break;
}
if (debug)
print_response("process_request", rp);
}
/* this function deals with the incoming client request */
void *tcpsocket(void *arg) {
int n;
int status = 0, verbose = 0;
int oldcancelstate, oldcanceltype;
#ifdef ENABLE_POLLING
struct pollfd fds;
#endif
// these are used for communication over the TCP socket
int client = 0;
message_t *request = NULL, *response = NULL;
/* the connection to the client has been made by the server */
client = (int)arg;
/* this is for debugging */
pthread_mutex_lock(&mutexsocketcount);
socketcount++;
pthread_mutex_unlock(&mutexsocketcount);
/* this is to prevent closing the thread at an unwanted moment and memory from leaking */
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &oldcancelstate);
pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, &oldcanceltype);
pthread_cleanup_push(cleanup_message, &request);
pthread_cleanup_push(cleanup_message, &response)
pthread_cleanup_push(cleanup_socket, &client);
if (verbose>1) fprintf(stderr, "tcpsocket: client = %d, socketcount = %d, threadcount = %d\n", client, socketcount, threadcount);
/* keep processing messages untill the connection is closed */
while (1) {
request = (message_t*)malloc(sizeof(message_t));
request->def = (messagedef_t*)malloc(sizeof(messagedef_t));
request->buf = NULL;
#ifdef ENABLE_POLLING
/* wait for data to become available or until the connection is closed */
/* thohar: i think this is not neccessary as we dont need a timeout. */
/* roboos: we need it to detect when the socket is closed by the client */
while (1) {
fds.fd = client;
fds.events = POLLIN | POLLRDNORM | POLLRDBAND | POLLPRI | POLLOUT | POLLWRNORM | POLLWRBAND | POLLERR | POLLNVAL;
fds.revents = 0;
if (poll(&fds, 1, 1)==-1) {
perror("poll");
goto cleanup;
}
if (fds.revents & POLLHUP)
goto cleanup; // the connection has been closed
else if (fds.revents & POLLERR)
goto cleanup; // the connection has been closed
else if (fds.revents & POLLIN)
break; // data is available, process the message
else
usleep(POLLSLEEP); // wait for data or closed connection
}
#endif
if ((n = bufread(client, request->def, sizeof(messagedef_t))) != sizeof(messagedef_t)) {
if (verbose>0) fprintf(stderr, "tcpsocket: packet size = %d, should be %d\n", n, sizeof(messagedef_t));
goto cleanup;
}
if (request->def->version!=VERSION) {
if (verbose>0) fprintf(stderr, "tcpsocket: incorrect request version\n");
goto cleanup;
}
if (request->def->bufsize>0) {
request->buf = malloc(request->def->bufsize);
if ((n = bufread(client, request->buf, request->def->bufsize)) != request->def->bufsize) {
if (verbose>0) fprintf(stderr, "tcpsocket: read size = %d, should be %d\n", n, request->def->bufsize);
goto cleanup;
}
}
if (verbose>1) print_request(request->def);
if (verbose>1) print_buf(request->buf, request->def->bufsize);
if ((status = dmarequest(request, &response)) != 0) {
if (verbose>0) fprintf(stderr, "tcpsocket: an unexpected error occurred\n");
goto cleanup;
}
if (verbose>1) print_response(response->def);
if (verbose>1) print_buf(request->buf, request->def->bufsize);
if ((n = bufwrite(client, response->def, sizeof(messagedef_t)))!=sizeof(messagedef_t)) {
if (verbose>0) fprintf(stderr, "tcpsocket: write size = %d, should be %d\n", n, sizeof(messagedef_t));
goto cleanup;
}
if ((n = bufwrite(client, response->buf, response->def->bufsize))!=response->def->bufsize) {
if (verbose>0) fprintf(stderr, "tcpsocket: write size = %d, should be %d\n", n, response->def->bufsize);
goto cleanup;
}
cleanup_message(&request);
cleanup_message(&response);
request = NULL;
response = NULL;
} /* while (1) */
cleanup:
/* from now on it is safe to cancel the thread */
pthread_setcancelstate(oldcancelstate, NULL);
pthread_setcanceltype(oldcanceltype, NULL);
pthread_cleanup_pop(1); // request
pthread_cleanup_pop(1); // response
pthread_cleanup_pop(1); // socket
/* this is for debugging */
pthread_mutex_lock(&mutexsocketcount);
socketcount--;
pthread_mutex_unlock(&mutexsocketcount);
/* this is for debugging */
pthread_mutex_lock(&mutexthreadcount);
threadcount--;
pthread_mutex_unlock(&mutexthreadcount);
pthread_exit(NULL);
return NULL;
}
int main(void)
{
/* enable interrupts (on the CPU) */
init_interrupts();
/* Initialize peripherals */
display_init( res, bit, 2, GAMMA_NONE, ANTIALIAS_RESAMPLE );
console_init();
controller_init();
console_set_render_mode(RENDER_MANUAL);
/* Main loop test */
while(1)
{
console_clear();
/* To do initialize routines */
controller_scan();
int controllers = get_controllers_present();
if( controllers & CONTROLLER_1_INSERTED )
{
int accessories = get_accessories_present();
if( (accessories & CONTROLLER_4_INSERTED) && identify_accessory( 3 ) == ACCESSORY_VRU )
{
uint8_t out[64];
uint8_t in[64];
// Initial sequence
out[0] = 0x00;
out[1] = 0x00;
print_request( 2, out );
execute_raw_command( 3, 0xB, 2, 3, out, in );
print_result( 3, in );
// LODS OF 0x0B
out[0] = 0x1E;
out[1] = 0x0C;
print_request( 2, out );
execute_raw_command( 3, 0xD, 2, 1, out, in );
print_result( 1, in );
out[0] = 0x6E;
out[1] = 0x07;
print_request( 2, out );
execute_raw_command( 3, 0xD, 2, 1, out, in );
print_result( 1, in );
out[0] = 0x08;
out[1] = 0x0E;
print_request( 2, out );
execute_raw_command( 3, 0xD, 2, 1, out, in );
print_result( 1, in );
out[0] = 0x56;
out[1] = 0x18;
print_request( 2, out );
execute_raw_command( 3, 0xD, 2, 1, out, in );
print_result( 1, in );
out[0] = 0x03;
out[1] = 0x0F;
print_request( 2, out );
execute_raw_command( 3, 0xD, 2, 1, out, in );
print_result( 1, in );
// Some C's and B's
out[0] = 0x00;
out[1] = 0x00;
out[2] = 0x00;
out[3] = 0x00;
out[4] = 0x01;
out[5] = 0x00;
print_request( 6, out );
execute_raw_command( 3, 0xC, 6, 1, out, in );
print_result( 1, in );
out[0] = 0x00;
out[1] = 0x00;
print_request( 2, out );
execute_raw_command( 3, 0xB, 2, 3, out, in );
print_result( 3, in );
out[0] = 0x00;
out[1] = 0x00;
out[2] = 0x02;
out[3] = 0x00;
out[4] = 0x3B;
out[5] = 0x00;
print_request( 6, out );
execute_raw_command( 3, 0xC, 6, 1, out, in );
print_result( 1, in );
out[0] = 0x00;
out[1] = 0x00;
print_request( 2, out );
execute_raw_command( 3, 0xB, 2, 3, out, in );
print_result( 3, in );
// Give that A a try
memset( out, 0, sizeof( out ) );
print_request( 22, out );
execute_raw_command( 3, 0xA, 22, 1, out, in );
print_result( 1, in );
memset( out, 0, sizeof( out ) );
print_request( 22, out );
execute_raw_command( 3, 0xA, 22, 1, out, in );
print_result( 1, in );
memset( out, 0, sizeof( out ) );
out[14] = 0x03;
out[18] = 0x12;
out[20] = 0x08;
print_request( 22, out );
execute_raw_command( 3, 0xA, 22, 1, out, in );
print_result( 1, in );
// Render it!
console_render();
while(1){;}
}
else
{
printf( "Please insert a VRU into slot 4.\n" );
}
}
else
{
printf( "Please insert a standard\ncontroller into slot 1.\n" );
}
console_render();
}
}
void
process_request(CTL_MSG *mp, CTL_RESPONSE *rp)
{
CTL_MSG *ptr;
char *s;
rp->vers = TALK_VERSION;
rp->type = mp->type;
rp->id_num = htonl(0);
if (mp->vers != TALK_VERSION) {
syslog(LOG_WARNING, "Bad protocol version %d", mp->vers);
rp->answer = BADVERSION;
return;
}
mp->id_num = ntohl(mp->id_num);
if (ntohs(mp->addr.sa_family) != AF_INET) {
syslog(LOG_WARNING, "Bad address, family %d",
ntohs(mp->addr.sa_family));
rp->answer = BADADDR;
return;
}
if (ntohs(mp->ctl_addr.sa_family) != AF_INET) {
syslog(LOG_WARNING, "Bad control address, family %d",
ntohs(mp->ctl_addr.sa_family));
rp->answer = BADCTLADDR;
return;
}
for (s = mp->l_name; *s; s++)
if (!isprint((unsigned char)*s)) {
syslog(LOG_NOTICE, "Illegal user name. Aborting");
rp->answer = FAILED;
return;
}
if (memcmp(&satosin(&rp->addr)->sin_addr,
&satosin(&mp->ctl_addr)->sin_addr,
sizeof(struct in_addr))) {
char buf1[32], buf2[32];
strlcpy(buf1, inet_ntoa(satosin(&rp->addr)->sin_addr),
sizeof(buf1));
strlcpy(buf2, inet_ntoa(satosin(&mp->ctl_addr)->sin_addr),
sizeof(buf2));
syslog(LOG_WARNING, "addresses are different, %s != %s",
buf1, buf2);
}
rp->addr.sa_family = 0;
mp->pid = ntohl(mp->pid);
if (debug)
print_request("process_request", mp);
switch (mp->type) {
case ANNOUNCE:
do_announce(mp, rp);
break;
case LEAVE_INVITE:
ptr = find_request(mp);
if (ptr != (CTL_MSG *)0) {
rp->id_num = htonl(ptr->id_num);
rp->answer = SUCCESS;
} else
insert_table(mp, rp);
break;
case LOOK_UP:
ptr = find_match(mp);
if (ptr != (CTL_MSG *)0) {
rp->id_num = htonl(ptr->id_num);
rp->addr = ptr->addr;
rp->addr.sa_family = ptr->addr.sa_family;
rp->answer = SUCCESS;
} else
rp->answer = NOT_HERE;
break;
case DELETE:
rp->answer = delete_invite(mp->id_num);
break;
default:
rp->answer = UNKNOWN_REQUEST;
break;
}
if (debug)
print_response("process_request", rp);
}
/*****************************************************************************
* this function handles the direct memory access to the buffer
* and copies objects to and from memory
*****************************************************************************/
int dmarequest(const message_t *request, message_t **response_ptr) {
unsigned int offset;
/*
int blockrequest = 0;
*/
int verbose = 0;
/* these are used for blocking the read requests */
struct timeval tp;
struct timespec ts;
/* use a local variable for datasel (in GET_DAT) */
datasel_t datasel;
/* these are for typecasting */
headerdef_t *headerdef;
datadef_t *datadef;
eventdef_t *eventdef;
eventsel_t *eventsel;
/* this will hold the response */
message_t *response;
response = (message_t*)malloc(sizeof(message_t));
/* check for "out of memory" problems */
if (response == NULL) {
*response_ptr = NULL;
return -1;
}
response->def = (messagedef_t*)malloc(sizeof(messagedef_t));
/* check for "out of memory" problems */
if (response->def == NULL) {
*response_ptr = NULL;
free(response);
return -1;
}
response->buf = NULL;
/* the response should be passed to the calling function, where it should be freed */
*response_ptr = response;
if (verbose>1) print_request(request->def);
switch (request->def->command) {
case PUT_HDR:
if (verbose>1) fprintf(stderr, "dmarequest: PUT_HDR\n");
pthread_mutex_lock(&mutexheader);
pthread_mutex_lock(&mutexdata);
pthread_mutex_lock(&mutexevent);
headerdef = (headerdef_t*)request->buf;
if (verbose>1) print_headerdef(headerdef);
/* delete the old header, data and events */
free_header();
free_data();
free_event();
/* store the header and re-initialize */
header = (header_t*)malloc(sizeof(header_t));
DIE_BAD_MALLOC(header);
header->def = (headerdef_t*)malloc(sizeof(headerdef_t));
DIE_BAD_MALLOC(header->def);
header->buf = malloc(headerdef->bufsize);
DIE_BAD_MALLOC(header->buf);
memcpy(header->def, request->buf, sizeof(headerdef_t));
memcpy(header->buf, (char*)request->buf+sizeof(headerdef_t), headerdef->bufsize);
header->def->nsamples = 0;
header->def->nevents = 0;
init_data();
init_event();
response->def->version = VERSION;
response->def->bufsize = 0;
/* check whether memory could indeed be allocated */
if (data!= NULL && data->buf != NULL && data->def != NULL) {
response->def->command = PUT_OK;
} else {
/* let's at least tell the client that something's wrong */
response->def->command = PUT_ERR;
}
pthread_mutex_unlock(&mutexevent);
pthread_mutex_unlock(&mutexdata);
pthread_mutex_unlock(&mutexheader);
break;
case PUT_DAT:
if (verbose>1) fprintf(stderr, "dmarequest: PUT_DAT\n");
pthread_mutex_lock(&mutexheader);
pthread_mutex_lock(&mutexdata);
datadef = (datadef_t*)request->buf;
if (verbose>1) print_datadef(datadef);
if (verbose>2) print_buf(request->buf, request->def->bufsize);
response->def->version = VERSION;
response->def->bufsize = 0;
if (request->def->bufsize < sizeof(datadef_t))
response->def->command = PUT_ERR;
else if (header==NULL || data==NULL)
response->def->command = PUT_ERR;
else if (header->def->nchans != datadef->nchans)
response->def->command = PUT_ERR;
else if (header->def->data_type != datadef->data_type)
response->def->command = PUT_ERR;
else if (datadef->nsamples > current_max_num_sample)
response->def->command = PUT_ERR;
else {
unsigned int i;
unsigned int wordsize = wordsize_from_type(header->def->data_type);
unsigned int datasize = wordsize * datadef->nsamples * datadef->nchans;
response->def->command = PUT_OK;
if (wordsize == 0) {
fprintf(stderr, "dmarequest: unsupported data type (%d)\n", datadef->data_type);
response->def->command = PUT_ERR;
} else if (datasize > datadef->bufsize || (datadef->bufsize + sizeof(datadef_t)) > request->def->bufsize) {
fprintf(stderr, "dmarequest: invalid size definitions in PUT_DAT request\n");
response->def->command = PUT_ERR;
} else {
/* record the time at which the data was received */
if (clock_gettime(CLOCK_REALTIME, &putdat_clock) != 0) {
perror("clock_gettime");
return -1;
}
/* number of bytes per sample (all channels) is given by wordsize x number of channels */
unsigned int chansize = wordsize * data->def->nchans;
/* request_data points to actual data samples within the request, use char* for convenience */
const char *request_data = (const char *) request->buf + sizeof(datadef_t);
char *buffer_data = (char *)data->buf;
for (i=0; i<datadef->nsamples; i++) {
memcpy(buffer_data+(thissample*chansize), request_data+(i*chansize), chansize);
header->def->nsamples++;
thissample++;
thissample = WRAP(thissample, current_max_num_sample);
}
/* Signal possibly waiting threads that we have received data */
pthread_cond_broadcast(&getData_cond);
}
}
pthread_mutex_unlock(&mutexdata);
pthread_mutex_unlock(&mutexheader);
break;
case PUT_EVT:
if (verbose>1) fprintf(stderr, "dmarequest: PUT_EVT\n");
pthread_mutex_lock(&mutexheader);
pthread_mutex_lock(&mutexevent);
/* record the time at which the event was received */
if (clock_gettime(CLOCK_REALTIME, &putevt_clock) != 0) {
perror("clock_gettime");
return -1;
}
/* Give an error message if there is no header, or if the given event array is defined badly */
if (header==NULL || event==NULL || check_event_array(request->def->bufsize, request->buf) < 0) {
response->def->version = VERSION;
response->def->command = PUT_ERR;
response->def->bufsize = 0;
}
else { /* go over all events and store them one by one */
response->def->version = VERSION;
response->def->command = PUT_OK;
response->def->bufsize = 0;
offset = 0; /* this represents the offset of the event in the buffer */
while (offset<request->def->bufsize) {
FREE(event[thisevent].def);
FREE(event[thisevent].buf);
eventdef = (eventdef_t*)((char*)request->buf+offset);
if (verbose>1) print_eventdef(eventdef);
event[thisevent].def = (eventdef_t*)malloc(sizeof(eventdef_t));
DIE_BAD_MALLOC(event[thisevent].def);
memcpy(event[thisevent].def, (char*)request->buf+offset, sizeof(eventdef_t));
if (event[thisevent].def->sample == EVENT_AUTO_SAMPLE) {
/* automatically convert event->def->sample to current sample number */
/* make some fine adjustment of the assigned sample number */
double adjust = (putevt_clock.tv_sec - putdat_clock.tv_sec) + (double)(putevt_clock.tv_nsec - putdat_clock.tv_nsec) / 1000000000L;
event[thisevent].def->sample = header->def->nsamples + (int)(header->def->fsample*adjust);
}
offset += sizeof(eventdef_t);
event[thisevent].buf = malloc(eventdef->bufsize);
DIE_BAD_MALLOC(event[thisevent].buf);
memcpy(event[thisevent].buf, (char*)request->buf+offset, eventdef->bufsize);
offset += eventdef->bufsize;
if (verbose>1) print_eventdef(event[thisevent].def);
thisevent++;
thisevent = WRAP(thisevent, MAXNUMEVENT);
header->def->nevents++;
}
}
pthread_mutex_unlock(&mutexevent);
pthread_mutex_unlock(&mutexheader);
break;
case GET_HDR:
if (verbose>1) fprintf(stderr, "dmarequest: GET_HDR\n");
if (header==NULL) {
response->def->version = VERSION;
response->def->command = GET_ERR;
response->def->bufsize = 0;
break;
}
pthread_mutex_lock(&mutexheader);
response->def->version = VERSION;
response->def->command = GET_OK;
response->def->bufsize = 0;
response->def->bufsize = append(&response->buf, response->def->bufsize, header->def, sizeof(headerdef_t));
response->def->bufsize = append(&response->buf, response->def->bufsize, header->buf, header->def->bufsize);
pthread_mutex_unlock(&mutexheader);
break;
case GET_DAT:
if (verbose>1) fprintf(stderr, "dmarequest: GET_DAT\n");
if (header==NULL || data==NULL) {
response->def->version = VERSION;
response->def->command = GET_ERR;
response->def->bufsize = 0;
break;
}
pthread_mutex_lock(&mutexheader);
pthread_mutex_lock(&mutexdata);
if (request->def->bufsize) {
/* the selection has been specified */
memcpy(&datasel, request->buf, sizeof(datasel_t));
/* If endsample is -1 read the buffer to the end */
if(datasel.endsample == -1)
{
datasel.endsample = header->def->nsamples - 1;
}
}
else {
/* determine a valid selection */
if (header->def->nsamples>current_max_num_sample) {
/* the ringbuffer is completely full */
datasel.begsample = header->def->nsamples - current_max_num_sample;
datasel.endsample = header->def->nsamples - 1;
}
else {
/* the ringbuffer is not yet completely full */
datasel.begsample = 0;
datasel.endsample = header->def->nsamples - 1;
}
}
/*
// if the read should block...
if(blockrequest == 1)
{
// check whether data is available
while((datasel.begsample >= (datasel.endsample+1)) || (datasel.endsample > header->def->nsamples - 1))
{
// if not unlock all mutexes
pthread_mutex_unlock(&mutexdata);
pthread_mutex_unlock(&mutexheader);
// wait for the condition to be signaled
pthread_mutex_lock(&getData_mutex);
gettimeofday(&tp, NULL);
ts.tv_sec = tp.tv_sec;
ts.tv_nsec = tp.tv_usec * 1000;
ts.tv_sec += 1;
pthread_cond_timedwait(&getData_cond, &getData_mutex, &ts);
pthread_mutex_unlock(&getData_mutex);
// Lock the mutexes again
pthread_mutex_lock(&mutexheader);
pthread_mutex_lock(&mutexdata);
if(datasel.begsample == (datasel.endsample+1))
datasel.endsample = header->def->nsamples - 1;
}
}
*/
if (verbose>1) print_headerdef(header->def);
if (verbose>1) print_datasel(&datasel);
if (datasel.begsample < 0 || datasel.endsample < 0) {
fprintf(stderr, "dmarequest: err1\n");
response->def->version = VERSION;
response->def->command = GET_ERR;
response->def->bufsize = 0;
}
else if (datasel.begsample >= header->def->nsamples || datasel.endsample >= header->def->nsamples) {
fprintf(stderr, "dmarequest: err2\n");
response->def->version = VERSION;
response->def->command = GET_ERR;
response->def->bufsize = 0;
}
else if ((header->def->nsamples - datasel.begsample) > current_max_num_sample) {
fprintf(stderr, "dmarequest: err3\n");
response->def->version = VERSION;
response->def->command = GET_ERR;
response->def->bufsize = 0;
}
else {
unsigned int wordsize = wordsize_from_type(data->def->data_type);
if (wordsize==0) {
fprintf(stderr, "dmarequest: unsupported data type (%d)\n", data->def->data_type);
response->def->version = VERSION;
response->def->command = GET_ERR;
response->def->bufsize = 0;
} else {
unsigned int n;
response->def->version = VERSION;
response->def->command = GET_OK;
response->def->bufsize = 0;
/* determine the number of samples to return */
n = datasel.endsample - datasel.begsample + 1;
response->buf = malloc(sizeof(datadef_t) + n*data->def->nchans*wordsize);
if (response->buf == NULL) {
/* not enough space for copying data into response */
fprintf(stderr, "dmarequest: out of memory\n");
response->def->command = GET_ERR;
}
else {
/* number of bytes per sample (all channels) */
unsigned int chansize = data->def->nchans * wordsize;
/* convenience pointer to start of actual data in response */
char *resp_data = ((char *) response->buf) + sizeof(datadef_t);
/* this is the location of begsample within the ringbuffer */
unsigned int start_index = WRAP(datasel.begsample, current_max_num_sample);
/* have datadef point into the freshly allocated response buffer and directly
fill in the information */
datadef = (datadef_t *) response->buf;
datadef->nchans = data->def->nchans;
datadef->data_type = data->def->data_type;
datadef->nsamples = n;
datadef->bufsize = n*chansize;
response->def->bufsize = sizeof(datadef_t) + datadef->bufsize;
if (start_index + n <= current_max_num_sample) {
/* we can copy everything in one go */
memcpy(resp_data, (char*)(data->buf) + start_index*chansize, n*chansize);
} else {
/* need to wrap around at current_max_num_sample */
unsigned int na = current_max_num_sample - start_index;
unsigned int nb = n - na;
memcpy(resp_data, (char*)(data->buf) + start_index*chansize, na*chansize);
memcpy(resp_data + na*chansize, (char*)(data->buf), nb*chansize);
/* printf("Wrapped around!\n"); */
}
}
}
}
pthread_mutex_unlock(&mutexdata);
pthread_mutex_unlock(&mutexheader);
break;
case GET_EVT:
if (verbose>1) fprintf(stderr, "dmarequest: GET_EVT\n");
if (header==NULL || event==NULL || header->def->nevents==0) {
response->def->version = VERSION;
response->def->command = GET_ERR;
response->def->bufsize = 0;
break;
}
pthread_mutex_lock(&mutexheader);
pthread_mutex_lock(&mutexevent);
eventsel = (eventsel_t*)malloc(sizeof(eventsel_t));
DIE_BAD_MALLOC(eventsel);
/* determine the selection */
if (request->def->bufsize) {
/* the selection has been specified */
memcpy(eventsel, request->buf, sizeof(eventsel_t));
}
else {
/* determine a valid selection */
if (header->def->nevents>MAXNUMEVENT) {
/* the ringbuffer is completely full */
eventsel->begevent = header->def->nevents - MAXNUMEVENT;
eventsel->endevent = header->def->nevents - 1;
}
else {
/* the ringbuffer is not yet completely full */
eventsel->begevent = 0;
eventsel->endevent = header->def->nevents - 1;
}
}
if (verbose>1) print_headerdef(header->def);
if (verbose>1) print_eventsel(eventsel);
if (eventsel==NULL) {
response->def->version = VERSION;
response->def->command = GET_ERR;
response->def->bufsize = 0;
}
else if (eventsel->begevent < 0 || eventsel->endevent < 0) {
fprintf(stderr, "dmarequest: err1\n");
response->def->version = VERSION;
response->def->command = GET_ERR;
response->def->bufsize = 0;
}
else if (eventsel->begevent >= header->def->nevents || eventsel->endevent >= header->def->nevents) {
fprintf(stderr, "dmarequest: err2\n");
response->def->version = VERSION;
response->def->command = GET_ERR;
response->def->bufsize = 0;
}
else if ((header->def->nevents-eventsel->begevent) > MAXNUMEVENT) {
fprintf(stderr, "dmarequest: err3\n");
response->def->version = VERSION;
response->def->command = GET_ERR;
response->def->bufsize = 0;
}
else {
unsigned int j,n;
response->def->version = VERSION;
response->def->command = GET_OK;
response->def->bufsize = 0;
/* determine the number of events to return */
n = eventsel->endevent - eventsel->begevent + 1;
for (j=0; j<n; j++) {
if (verbose>1) print_eventdef(event[WRAP(eventsel->begevent+j, MAXNUMEVENT)].def);
response->def->bufsize = append(&response->buf, response->def->bufsize, event[WRAP(eventsel->begevent+j, MAXNUMEVENT)].def, sizeof(eventdef_t));
response->def->bufsize = append(&response->buf, response->def->bufsize, event[WRAP(eventsel->begevent+j, MAXNUMEVENT)].buf, event[WRAP(eventsel->begevent+j, MAXNUMEVENT)].def->bufsize);
}
}
FREE(eventsel);
pthread_mutex_unlock(&mutexevent);
pthread_mutex_unlock(&mutexheader);
break;
case FLUSH_HDR:
pthread_mutex_lock(&mutexheader);
pthread_mutex_lock(&mutexdata);
pthread_mutex_lock(&mutexevent);
if (header) {
free_header();
free_data();
free_event();
response->def->version = VERSION;
response->def->command = FLUSH_OK;
response->def->bufsize = 0;
}
else {
response->def->version = VERSION;
response->def->command = FLUSH_ERR;
response->def->bufsize = 0;
}
pthread_mutex_unlock(&mutexevent);
pthread_mutex_unlock(&mutexdata);
pthread_mutex_unlock(&mutexheader);
break;
case FLUSH_DAT:
pthread_mutex_lock(&mutexheader);
pthread_mutex_lock(&mutexdata);
if (header && data) {
header->def->nsamples = thissample = 0;
response->def->version = VERSION;
response->def->command = FLUSH_OK;
response->def->bufsize = 0;
}
else {
response->def->version = VERSION;
response->def->command = FLUSH_ERR;
response->def->bufsize = 0;
}
pthread_mutex_unlock(&mutexdata);
pthread_mutex_unlock(&mutexheader);
break;
case FLUSH_EVT:
pthread_mutex_lock(&mutexheader);
pthread_mutex_lock(&mutexevent);
if (header && event) {
unsigned int i;
header->def->nevents = thisevent = 0;
for (i=0; i<MAXNUMEVENT; i++) {
FREE(event[i].def);
FREE(event[i].buf);
}
response->def->version = VERSION;
response->def->command = FLUSH_OK;
response->def->bufsize = 0;
}
else {
response->def->version = VERSION;
response->def->command = FLUSH_ERR;
response->def->bufsize = 0;
}
pthread_mutex_unlock(&mutexevent);
pthread_mutex_unlock(&mutexheader);
break;
case WAIT_DAT:
/* SK: This request means that the client wants to wait until
MORE than waitdef_t.threshold.nsamples samples OR
MORE THAN waitdef_t.threshold.nevents events
are in the buffer, BUT
only for the time given in waitdef_t.milliseconds.
The response is just the number of samples and events
in the buffer as described by samples_events_t.
*/
response->def->version = VERSION;
if (header==NULL || request->def->bufsize!=sizeof(waitdef_t)) {
response->def->command = WAIT_ERR;
response->def->bufsize = 0;
} else {
int waiterr;
waitdef_t *wd = (waitdef_t *) request->buf;
samples_events_t *nret = malloc(sizeof(samples_events_t));
UINT32_T nsmp, nevt;
if (nret == NULL) {
/* highly unlikely, but we cannot allocate a sample_event_t - return an error */
response->def->command = WAIT_ERR;
response->def->bufsize = 0;
break;
}
/* Let response->buf point to the new sample_event_t structure */
response->def->command = WAIT_OK;
response->def->bufsize = sizeof(samples_events_t);
response->buf = nret;
/* get current number of samples */
pthread_mutex_lock(&mutexheader);
nsmp = header->def->nsamples;
nevt = header->def->nevents;
pthread_mutex_unlock(&mutexheader);
if (wd->milliseconds == 0 || nsmp > wd->threshold.nsamples || nevt > wd->threshold.nevents) {
/* the client doesn't want to wait, or
we're already above the threshold:
return immediately */
nret->nsamples = nsmp;
nret->nevents = nevt;
break;
}
gettimeofday(&tp, NULL);
ts.tv_sec = tp.tv_sec + (wd->milliseconds/1000);
ts.tv_nsec = 1000 * (tp.tv_usec + (wd->milliseconds % 1000)*1000);
while (ts.tv_nsec >= 1000000000) {
ts.tv_sec++;
ts.tv_nsec-=1000000000;
}
/* FIXME: The getData condition variable is only triggered by incoming data, not events */
do {
pthread_mutex_lock(&getData_mutex);
waiterr = pthread_cond_timedwait(&getData_cond, &getData_mutex, &ts);
pthread_mutex_unlock(&getData_mutex);
/* get current number of samples */
pthread_mutex_lock(&mutexheader);
nsmp = header->def->nsamples;
nevt = header->def->nevents;
pthread_mutex_unlock(&mutexheader);
} while (nsmp <= wd->threshold.nsamples && nevt <= wd->threshold.nevents && waiterr==0);
nret->nsamples = nsmp;
nret->nevents = nevt;
}
break;
default:
fprintf(stderr, "dmarequest: unknown command\n");
}
if (verbose>0) fprintf(stderr, "dmarequest: thissample = %u, thisevent = %u\n", thissample, thisevent);
/* everything went fine */
return 0;
}
int
process_request (CTL_MSG * msg, struct sockaddr_in *sa_in, CTL_RESPONSE * rp)
{
CTL_MSG *ptr;
if (debug)
{
print_request ("process_request", msg);
}
if (acl_match (msg, sa_in))
{
syslog (LOG_NOTICE, "dropping request: %s@%s",
msg->l_name, inet_ntoa (sa_in->sin_addr));
return 1;
}
rp->vers = TALK_VERSION;
rp->type = msg->type;
rp->id_num = htonl (0);
if (msg->vers != TALK_VERSION)
{
syslog (LOG_ERR, "Bad protocol version %d", msg->vers);
rp->answer = BADVERSION;
return 0;
}
msg->id_num = ntohl (msg->id_num);
msg->addr.sa_family = ntohs (msg->addr.sa_family);
if (msg->addr.sa_family != AF_INET)
{
syslog (LOG_ERR, "Bad address, family %d", msg->addr.sa_family);
rp->answer = BADADDR;
return 0;
}
msg->ctl_addr.sa_family = ntohs (msg->ctl_addr.sa_family);
if (msg->ctl_addr.sa_family != AF_INET)
{
syslog (LOG_WARNING, "Bad control address, family %d",
msg->ctl_addr.sa_family);
rp->answer = BADCTLADDR;
return 0;
}
/* FIXME: compare address and sa_in? */
msg->pid = ntohl (msg->pid);
switch (msg->type)
{
case ANNOUNCE:
do_announce (msg, rp);
break;
case LEAVE_INVITE:
ptr = find_request (msg);
if (ptr)
{
rp->id_num = htonl (ptr->id_num);
rp->answer = SUCCESS;
}
else
insert_table (msg, rp);
break;
case LOOK_UP:
ptr = find_match (msg);
if (ptr)
{
rp->id_num = htonl (ptr->id_num);
rp->addr = ptr->addr;
rp->addr.sa_family = htons (ptr->addr.sa_family);
rp->answer = SUCCESS;
}
else
rp->answer = NOT_HERE;
break;
case DELETE:
rp->answer = delete_invite (msg->id_num);
break;
default:
rp->answer = UNKNOWN_REQUEST;
break;
}
if (debug)
print_response ("process_request response", rp);
return 0;
}
/* this function deals with the incoming client request */
void *tcpsocket(void *arg) {
int n;
int status = 0, verbose = 0;
int oldcancelstate, oldcanceltype;
#ifdef ENABLE_POLLING
struct pollfd fds;
#endif
/* these are used for communication over the TCP socket */
int client = 0;
message_t *request = NULL, *response = NULL;
threadlocal_t threadlocal;
threadlocal.message = NULL;
threadlocal.fd = -1;
/* the connection to the client has been made by the server */
client = (int)arg;
/* this will be closed at cleanup */
threadlocal.fd = client;
pthread_cleanup_push(cleanup_tcpsocket, &threadlocal);
/* this is for debugging */
pthread_mutex_lock(&mutexsocketcount);
socketcount++;
pthread_mutex_unlock(&mutexsocketcount);
if (verbose>1) fprintf(stderr, "tcpsocket: client = %d, socketcount = %d, threadcount = %d\n", client, socketcount, threadcount);
/* keep processing messages untill the connection is closed */
while (1) {
int swap = 0;
UINT16_T reqCommand;
UINT32_T respBufSize;
request = (message_t*)malloc(sizeof(message_t));
DIE_BAD_MALLOC(request);
request->def = (messagedef_t*)malloc(sizeof(messagedef_t));
DIE_BAD_MALLOC(request->def);
request->buf = NULL;
#ifdef ENABLE_POLLING
/* wait for data to become available or until the connection is closed */
/* thohar: i think this is not neccessary as we dont need a timeout. */
/* roboos: we need it to detect when the socket is closed by the client */
while (1) {
fds.fd = client;
fds.events = POLLIN | POLLRDNORM | POLLRDBAND | POLLPRI | POLLOUT | POLLWRNORM | POLLWRBAND | POLLERR | POLLNVAL;
fds.revents = 0;
if (poll(&fds, 1, 1)==-1) {
perror("poll");
goto cleanup;
}
if (fds.revents & POLLHUP)
goto cleanup; /* the connection has been closed */
else if (fds.revents & POLLERR)
goto cleanup; /* the connection has been closed */
else if (fds.revents & POLLIN)
break; /* data is available, process the message */
else
usleep(POLLSLEEP); /* wait for data or closed connection */
}
#endif
if ((n = bufread(client, request->def, sizeof(messagedef_t))) != sizeof(messagedef_t)) {
if (verbose>0) fprintf(stderr, "tcpsocket: packet size = %d, should be %d\n", n, sizeof(messagedef_t));
goto cleanup;
}
if (request->def->version==VERSION_OE) {
swap = 1;
ft_swap16(2, &request->def->version); /* version + command */
ft_swap32(1, &request->def->bufsize);
reqCommand = request->def->command;
}
if (request->def->version!=VERSION) {
if (verbose>0) fprintf(stderr, "tcpsocket: incorrect request version\n");
goto cleanup;
}
if (request->def->bufsize>0) {
request->buf = malloc(request->def->bufsize);
DIE_BAD_MALLOC(request->buf);
if ((n = bufread(client, request->buf, request->def->bufsize)) != request->def->bufsize) {
if (verbose>0) fprintf(stderr, "tcpsocket: read size = %d, should be %d\n", n, request->def->bufsize);
goto cleanup;
}
}
if (swap && request->def->bufsize > 0) ft_swap_buf_to_native(reqCommand, request->def->bufsize, request->buf);
if (verbose>1) print_request(request->def);
if (verbose>1) print_buf(request->buf, request->def->bufsize);
if ((status = dmarequest(request, &response)) != 0) {
if (verbose>0) fprintf(stderr, "tcpsocket: an unexpected error occurred\n");
goto cleanup;
}
DIE_BAD_MALLOC(response);
DIE_BAD_MALLOC(response->def);
if (verbose>1) print_response(response->def);
if (verbose>1) print_buf(request->buf, request->def->bufsize);
respBufSize = response->def->bufsize;
if (swap) ft_swap_from_native(reqCommand, response);
/* we don't need the request anymore */
cleanup_message((void**)&request);
request = NULL;
/* merge response->def and response->buf if they are small, so we can send it in one go over TCP */
if (respBufSize + sizeof(messagedef_t) <= MERGE_THRESHOLD) {
int msize = respBufSize + sizeof(messagedef_t);
void *merged = NULL;
append(&merged, 0, response->def, sizeof(messagedef_t));
DIE_BAD_MALLOC(merged);
append(&merged, sizeof(messagedef_t), response->buf, respBufSize);
DIE_BAD_MALLOC(merged);
if ((n=bufwrite(client, merged, msize) != msize)) {
if (verbose>0) fprintf(stderr, "tcpsocket: write size = %d, should be %d\n", n, msize);
FREE(merged);
goto cleanup;
}
FREE(merged);
} else {
if ((n = bufwrite(client, response->def, sizeof(messagedef_t)))!=sizeof(messagedef_t)) {
if (verbose>0) fprintf(stderr, "tcpsocket: write size = %d, should be %d\n", n, sizeof(messagedef_t));
goto cleanup;
}
if ((n = bufwrite(client, response->buf, respBufSize))!=respBufSize) {
if (verbose>0) fprintf(stderr, "tcpsocket: write size = %d, should be %d\n", n, respBufSize);
goto cleanup;
}
}
cleanup_message((void**)&response);
response = NULL;
} /* while (1) */
cleanup:
printf(""); /* otherwise the pthread_cleanup_pop won't compile */
if (response!=NULL)
cleanup_message((void**)&response);
response = NULL; /* SK: prevent double free in following pthread_cleanup_pop */
pthread_cleanup_pop(1);
/* this is for debugging */
pthread_mutex_lock(&mutexsocketcount);
socketcount--;
pthread_mutex_unlock(&mutexsocketcount);
/* this is for debugging */
pthread_mutex_lock(&mutexthreadcount);
threadcount--;
pthread_mutex_unlock(&mutexthreadcount);
pthread_exit(NULL);
return NULL;
}
int buffer_getevt(int server, mxArray *plhs[], const mxArray *prhs[])
{
int verbose = 0;
int i, nevents;
int offset;
double *val;
int result;
mxArray *bufptr;
message_t *request = NULL;
message_t *response = NULL;
eventsel_t eventsel;
/* this is for the Matlab specific output */
const char *field_names[] = {
"type",
"value",
"sample",
"offset",
"duration"
};
/* allocate the elements that will be used in the communication */
request = malloc(sizeof(message_t));
request->def = malloc(sizeof(messagedef_t));
request->buf = NULL;
request->def->version = VERSION;
request->def->command = GET_EVT;
request->def->bufsize = 0;
if ((prhs[0]!=NULL) && (mxGetNumberOfElements(prhs[0])==2) && (mxIsDouble(prhs[0])) && (!mxIsComplex(prhs[0]))) {
/* fprintf(stderr, "args OK\n"); */
val = (double *)mxGetData(prhs[0]);
eventsel.begevent = (UINT32_T)(val[0]);
eventsel.endevent = (UINT32_T)(val[1]);
if (verbose) print_eventsel(&eventsel);
request->def->bufsize = append(&request->buf, request->def->bufsize, &eventsel, sizeof(eventsel_t));
}
if (verbose) print_request(request->def);
result = clientrequest(server, request, &response);
if (verbose) print_response(response->def);
if (result == 0) {
if (response->def->command==GET_OK) {
eventdef_t *event_def;
/* first count the number of events */
nevents = 0;
offset = 0;
while (offset<response->def->bufsize) {
event_def = (eventdef_t *)((char *)response->buf + offset);
/* event_buf = (char *)response->buf + offset + sizeof(eventdef_t); */
if (verbose) print_eventdef(event_def);
offset += sizeof(eventdef_t) + event_def->bufsize;
nevents++;
}
/* create a structure array that can hold all events */
plhs[0] = mxCreateStructMatrix(1, nevents, NUMBER_OF_FIELDS, field_names);
offset = 0;
for (i=0; i<nevents; i++) {
char *buf_type,*buf_value;
event_def = (eventdef_t *) ((char *)response->buf + offset);
buf_type = (char *) response->buf + offset + sizeof(eventdef_t);
buf_value = buf_type + event_def->type_numel * wordsize_from_type(event_def->type_type);
mxSetFieldByNumber(plhs[0], i, 0, matrix_from_ft_type_data(event_def->type_type, 1, event_def->type_numel, buf_type));
mxSetFieldByNumber(plhs[0], i, 1, matrix_from_ft_type_data(event_def->value_type, 1, event_def->value_numel, buf_value));
mxSetFieldByNumber(plhs[0], i, 2, mxCreateDoubleScalar((double)event_def->sample+1)); /* 1-based in Matlab, 0-based in protocol */
mxSetFieldByNumber(plhs[0], i, 3, mxCreateDoubleScalar((double)event_def->offset));
mxSetFieldByNumber(plhs[0], i, 4, mxCreateDoubleScalar((double)event_def->duration));
offset += sizeof(eventdef_t) + event_def->bufsize;
}
}
else {
result = response->def->command;
}
}
if (request) {
FREE(request->def);
FREE(request->buf);
FREE(request);
}
if (response) {
FREE(response->def);
FREE(response->buf);
FREE(response);
}
return result;
}