int
main(int argc, char* argv[])
{
char buf[128];
void* ctx = zmq_ctx_new();
void* rep = zmq_socket(ctx, ZMQ_REP);
zmq_bind(rep, "tcp://*:5555");
fprintf(stdout, "server init success ...\n");
s_catch_signals();
while (1) {
memset(buf, 0, sizeof(buf));
zmq_recv(rep, buf, sizeof(buf), 0);
if (s_interrupted) {
fprintf(stdout, "W: interrupt recevied, killing server ...\n");
break;
}
}
zmq_close(rep);
zmq_ctx_destroy(ctx);
return 0;
}
bool ServerZMQ::_onInit(TUInt port)
{
//init zmq
m_context = zmq_ctx_new();
if (m_context == 0)
{
zmqlog("Error occurred during zmq_ctx_new()");
return false;
}
m_socket = zmq_socket(m_context, ZMQ_PUB);
if (m_socket == 0)
{
zmqlog("Error occurred during zmq_socket()");
clear();
return false;
}
//bind to chosen port
TChar address[100] = {'\0'};
sprintf(address, "tcp://*:%u", port);
int result = zmq_bind(m_socket, address);
if (result != 0)
{
zmqlog("Error occurred during zmq_bind()");
clear();
return false;
}
//init signal handler
s_catch_signals();
return true;
}
int main(void)
{
void *context = zmq_ctx_new();
void *socket = zmq_socket(context, ZMQ_REP);
zmq_bind(socket, "tcp://*:5555");
s_catch_signals();
#if 1
while (1) {
// Blocking read will exit on a signal
char buffer[255];
zmq_recv(socket, buffer, 255, 0);
if (s_interrupted) {
printf("W: interrupt received, killing server...\n");
break;
}
}
#else
while (!s_interrupted) {
char *message = s_recv(socket);
if (!message) {
break;
}
}
#endif
zmq_close(socket);
zmq_ctx_destroy(context);
#ifdef _MSC_VER
system("pause");
#endif
return 0;
}
void s_catch_signals () {
struct sigaction action = {
.sa_handler = s_signalhandler,
.sa_flags = 0
};
sigemptyset(&action.sa_mask);
sigaction(SIGINT, &action, NULL);
sigaction(SIGTERM, &action, NULL);
}
int main () {
void* context = zmq_ctx_new();
void* socket = zmq_socket(context, ZMQ_REP);
zmq_bind(socket, "tcp://*:5555");
s_catch_signals();
while(1) {
// Blocking read will exit on a signal
zmq_msg_t message;
zmq_msg_init(&message);
zmq_msg_recv(&message, socket, 0);
if (s_interrupted) {
printf("W: interrupt recived, killing server...\n");
break;
}
}
zmq_close(socket);
zmq_ctx_destroy(context);
}
SubscriberZMQ::SubscriberZMQ(MessageProvider * messageProvider, const TString & subscribeId)
: Subscriber(messageProvider, subscribeId)
, m_context(0)
, m_socket(0)
{
//init signal handler
s_catch_signals();
}
int main (int argc, char *argv [])
{
int verbose = (argc > 1 && streq (argv [1], "-v"));
s_version_assert (2, 1);
s_catch_signals ();
broker_t *self = s_broker_new (verbose);
s_broker_bind (self, "tcp://*:5555");
// Get and process messages forever or until interrupted
while (!s_interrupted) {
zmq_pollitem_t items [] = {
{ self->socket, 0, ZMQ_POLLIN, 0 } };
zmq_poll (items, 1, HEARTBEAT_INTERVAL * 1000);
// Process next input message, if any
if (items [0].revents & ZMQ_POLLIN) {
zmsg_t *msg = zmsg_recv (self->socket);
if (self->verbose) {
s_console ("I: received message:");
zmsg_dump (msg);
}
char *sender = zmsg_pop (msg);
char *empty = zmsg_pop (msg);
char *header = zmsg_pop (msg);
if (streq (header, MDPC_CLIENT))
s_client_process (self, sender, msg);
else
if (streq (header, MDPW_WORKER))
s_worker_process (self, sender, msg);
else {
s_console ("E: invalid message:");
zmsg_dump (msg);
zmsg_destroy (&msg);
}
free (sender);
free (empty);
free (header);
}
// Disconnect and delete any expired workers
// Send heartbeats to idle workers if needed
if (s_clock () > self->heartbeat_at) {
s_broker_purge_workers (self);
worker_t *worker = zlist_first (self->waiting);
while (worker) {
s_worker_send (self, worker, MDPW_HEARTBEAT, NULL, NULL);
worker = zlist_next (self->waiting);
}
self->heartbeat_at = s_clock () + HEARTBEAT_INTERVAL;
}
}
if (s_interrupted)
printf ("W: interrupt received, shutting down...\n");
s_broker_destroy (&self);
return 0;
}
mdcli (std::string broker, int verbose)
{
assert (broker.size()!=0);
s_version_assert (4, 0);
m_broker = broker;
m_context = new zmq::context_t(1);
m_verbose = verbose;
m_timeout = 2500; // msecs
m_retries = 3; // Before we abandon
m_client = 0;
s_catch_signals ();
connect_to_broker ();
}
mdwrk (std::string broker, std::string service, int verbose)
{
s_version_assert (2, 1);
m_broker = broker;
m_service = service;
m_context = new zmq::context_t (1);
m_worker = 0;
m_expect_reply = false;
m_verbose = verbose;
m_heartbeat = 2500; // msecs
m_reconnect = 2500; // msecs
s_catch_signals ();
connect_to_broker ();
}
mdcli_t *
mdcli_new (char *broker, int verbose)
{
assert (broker);
s_version_assert (2, 1);
mdcli_t *self = (mdcli_t *) calloc (1, sizeof (mdcli_t));
self->broker = strdup (broker);
self->context = zmq_init (1);
self->verbose = verbose;
self->timeout = 2500; // msecs
s_catch_signals ();
s_mdcli_connect_to_broker (self);
return self;
}
CameraManager2::CameraManager2() {
s_catch_signals ();
vd = new vdIn;
this->saving_buffer = false;
this->grabbing = false;
init_videoIn("/dev/video0", 640, 480, V4L2_PIX_FMT_MJPEG, 1);
std::cout << vd->isstreaming << std::endl;
std::thread t1(&CameraManager2::start_grabbing, this);
t1.join();
}
int main (int argc, char *argv [])
{
int verbose = (argc > 1 && strcmp (argv [1], "-v") == 0);
s_version_assert (4, 0);
s_catch_signals ();
broker brk(verbose);
brk.bind ("tcp://*:5555");
brk.start_brokering();
if (s_interrupted)
printf ("W: interrupt received, shutting down...\n");
return 0;
}
RawData *ABD_read(
char *obj_name,
unsigned int op_num ,
ClientArgs *client_args
) {
s_catch_signals();
int num_servers = count_num_servers(client_args->servers_str);
void *sock_to_servers= get_socket_servers(client_args);
#ifdef DEBUG_MODE
printf("\t\tObj name : %s\n",obj_name);
printf("\t\tWriter name : %s\n",client_args->client_id);
printf("\t\tOperation num : %d\n",op_num);
printf("\t\tServer string : %s\n", client_args->servers_str);
printf("\t\tPort to Use : %s\n", client_args->port);
printf("\t\tNum of Servers : %d\n",num_servers);
#endif
printf("READ %d\n", op_num);
printf("\tMAX_TAG_VALUE (READER)\n");
Tag max_tag;
RawData *max_tag_value = malloc(sizeof(RawData));
ABD_get_max_tag_value_phase(obj_name,
op_num,
sock_to_servers,
num_servers,
max_tag_value
);
printf("\tWRITE_VALUE (READER)\n");
ABD_write_value_phase(
obj_name,
op_num,
sock_to_servers,
num_servers,
max_tag_value,
max_tag
);
return max_tag_value;
}
clone_t *
clone_new (void)
{
clone_t
*self;
s_catch_signals ();
self = (clone_t *) malloc (sizeof (clone_t));
self->context = zmq_init (1);
self->control = zmq_socket (self->context, ZMQ_PAIR);
int rc = zmq_bind (self->control, "inproc://clone");
assert (rc == 0);
pthread_t thread;
pthread_create (&thread, NULL, clone_agent, self->context);
pthread_detach (thread);
return self;
}
int main (void) {
int i ;
char *payload = (char *)malloc(100000000*sizeof(char));
unsigned int size = 100000000*sizeof(char);
/*
char *servers[]= {
"172.17.0.7", "172.17.0.5",
"172.17.0.4", "172.17.0.6",
"172.17.0.3"
};
*/
/*
char *servers[] = {
"172.17.0.22", "172.17.0.21", "172.17.0.18", "172.17.0.17", "172.17.0.20", "172.17.0.16", "172.17.0.19", "172.17.0.15", "172.17.0.14", "172.17.0.13", "172.17.0.12", "172.17.0.11", "172.17.0.10", "172.17.0.9", "172.17.0.7", "172.17.0.8", "172.17.0.6", "172.17.0.5", "172.17.0.4", "172.17.0.3"
};
*/
char *servers[]= {
"172.17.0.2"
};
unsigned int num_servers = 1;
char port[]= {PORT};
char writer_id[] = { "writer_1"};
char obj_name[] = {OBJECT};
unsigned int op_num;
s_catch_signals();
for( i=0; i < 5; i++) {
printf("\nWRITE %d\n", i);
//ABD_write(obj_name, writer_id, i, payload, size, servers, port);
}
// zclock_sleep(50*1000);
return 0;
}
flcliapi_t *
flcliapi_new (void)
{
flcliapi_t
*self;
s_catch_signals ();
self = (flcliapi_t *) malloc (sizeof (flcliapi_t));
self->context = zmq_init (1);
self->control = zmq_socket (self->context, ZMQ_PAIR);
int rc = zmq_bind (self->control, "inproc://flcliapi");
assert (rc == 0);
pthread_t thread;
pthread_create (&thread, NULL, flcliapi_task, self->context);
pthread_detach (thread);
return self;
}
bool MyCacheServer::init()
{
s_catch_signals();
try
{
context_ = new zmq::context_t(1);
clients_socket_ = new zmq::socket_t(*context_, ZMQ_ROUTER);
if (clients_socket_)
{
clients_socket_->bind(address_.c_str());
LOG4CXX_INFO(logger, "init - bind client sockets sucess:" << address_);
}
workers_socket_ = new zmq::socket_t(*context_, ZMQ_ROUTER);
if (workers_socket_)
{
workers_socket_->bind("inproc://workers");
LOG4CXX_INFO(logger, "init - bind worker sockets sucess:inproc://workers");
}
}
catch (std::exception& err)
{
LOG4CXX_ERROR(logger, "init - bind failed :" << err.what());
return false;
}
// Launch pool of worker threads
for (int i = 0; i < workernum_; i++)
{
MyCacheWorker* worker = new MyCacheWorker(this->context_, "inproc://workers", i);
if (worker && worker->init())
{
worker_thrds.create_thread(boost::bind(&MyCacheWorker::run, worker));
}
}
return true;
}
int main (void)
{
void *context = zmq_ctx_new ();
void *socket = zmq_socket (context, ZMQ_REP);
zmq_bind (socket, "tcp://*:5555");
s_catch_signals ();
while (true) {
// Blocking read will exit on a signal
zmq_msg_t message;
zmq_msg_init (&message);
zmq_msg_recv (&message, socket, 0);
if (s_interrupted) {
printf ("W: interrupt received, killing server...\n");
break;
}
}
zmq_close (socket);
zmq_ctx_destroy (context);
return 0;
}
int main(void){
void *context = zmq_ctx_new();
void *responder = zmq_socket(context, ZMQ_REP);
int rc = zmq_bind(responder, "tcp://*:5555");
assert( rc==0);
s_catch_signals();
while(1){
char buffer[10];
int ret = zmq_recv(responder, buffer, 10, 0);
if(zmq_errno()==EINTR)
{
fprintf(stderr, "BREAK!\n");
break;
}
printf("Reveiver Hello\n");
sleep(1);
zmq_send(responder, "World", 5, 0);
}
return 0;
}
int main(int argc, char* argv[]) {
s_catch_signals();
int ret = 0;
try {
parameters par(argc, argv);
std::unique_ptr<flib::flib_device_flesin> flib;
// create FLIB
if (par.flib_autodetect()) {
flib = std::unique_ptr<flib::flib_device_flesin>(
new flib::flib_device_flesin(0));
} else {
flib = std::unique_ptr<flib::flib_device_flesin>(
new flib::flib_device_flesin(par.flib_addr().bus, par.flib_addr().dev,
par.flib_addr().func));
}
std::vector<flib::flib_link_flesin*> links = flib->links();
std::vector<std::unique_ptr<flib::flim>> flims;
L_(info) << "Configuring FLIB: " << flib->print_devinfo();
// FLIB global configuration
// set even if unused
flib->id_led(par.identify());
flib->set_mc_time(par.mc_size());
L_(debug) << "Tatal FLIB links: " << flib->number_of_links();
// FLIB per link configuration
for (size_t i = 0; i < flib->number_of_links(); ++i) {
L_(debug) << "Initializing link " << i;
if (par.link(i).source == disable) {
links.at(i)->set_data_sel(flib::flib_link::rx_disable);
} else if (par.link(i).source == pgen_near) {
links.at(i)->set_data_sel(flib::flib_link::rx_pgen);
// create internal FLIM
try {
flims.push_back(
std::unique_ptr<flib::flim>(new flib::flim(links.at(i))));
} catch (const std::exception& e) {
L_(error) << e.what();
exit(EXIT_FAILURE);
}
flims.back()->reset_datapath();
if (!flims.back()->get_pgen_present()) {
L_(error) << "FLIM build does not support pgen";
exit(EXIT_FAILURE);
}
flims.back()->set_pgen_mc_size(par.mc_size());
flims.back()->set_pgen_rate(par.pgen_rate());
flims.back()->set_pgen_ids(par.link(i).eq_id);
flims.back()->set_data_source(flib::flim::pgen);
} else if (par.link(i).source == flim || par.link(i).source == pgen_far) {
links.at(i)->set_data_sel(flib::flib_link::rx_link);
// create FLIM
try {
flims.push_back(
std::unique_ptr<flib::flim>(new flib::flim(links.at(i))));
} catch (const std::exception& e) {
L_(error) << e.what();
exit(EXIT_FAILURE);
}
flims.back()->reset_datapath();
if (par.link(i).source == flim) {
flims.back()->set_data_source(flib::flim::user);
} else { // pgen_far
if (!flims.back()->get_pgen_present()) {
L_(error) << "FLIM build does not support pgen";
exit(EXIT_FAILURE);
}
flims.back()->set_pgen_mc_size(par.mc_size());
flims.back()->set_pgen_rate(par.pgen_rate());
flims.back()->set_pgen_ids(par.link(i).eq_id);
flims.back()->set_data_source(flib::flim::pgen);
}
}
}
L_(debug) << "Exiting";
} catch (std::exception const& e) {
L_(fatal) << "exception: " << e.what();
}
return ret;
}
char *CASGC_read(
char *obj_name,
char *writer_id,
unsigned int op_num ,
// char *payload,
char *servers_str,
char *port
) {
s_catch_signals();
int j;
printf("Obj name : %s\n",obj_name);
printf("Writer name : %s\n",writer_id);
printf("Operation num : %d\n",op_num);
/* char *myb64 = (char *)malloc(strlen(payload));
b64_decode(payload, myb64);
printf("Encoded string : %s\n", payload);
free(myb64);
*/
printf("Server string : %s\n", servers_str);
printf("Port to Use : %s\n", port);
int num_servers = count_num_servers(servers_str);
printf("Num of Servers : %d\n",num_servers);
// printf("Decoded string : %s\n", myb64);
char **servers = create_server_names(servers_str);
for(j=0; j < num_servers; j++) {
printf("\tServer : %s\n", servers[j]);
}
printf("\n");
zctx_t *ctx = zctx_new();
void *sock_to_servers = zsocket_new(ctx, ZMQ_DEALER);
zctx_set_linger(ctx, 0);
assert (sock_to_servers);
zsocket_set_identity(sock_to_servers, writer_id);
for(j=0; j < num_servers; j++) {
char *destination = create_destination(servers[j], port);
int rc = zsocket_connect(sock_to_servers, destination);
assert(rc==0);
free(destination);
}
printf("READ %d\n", op_num);
printf(" MAX_TAG_VALUE (READER)\n");
char *payload;
TAG max_tag;
get_max_tag_value_phase(obj_name, op_num, sock_to_servers, servers, num_servers, port, &max_tag, &payload);
printf("\tmax tag (%d,%s)\n\n", max_tag.z, max_tag.id);
printf(" WRITE_VALUE (READER)\n");
int size = strlen(payload);
write_value_phase(obj_name, writer_id, op_num, sock_to_servers, servers,
num_servers, port, payload, size, max_tag);
zsocket_destroy(ctx, sock_to_servers);
zctx_destroy(&ctx);
return payload;
}
// ABD write
bool CASGC_write(
char *obj_name,
char *writer_id,
unsigned int op_num ,
char *payload,
unsigned int size,
char *servers_str,
char *port
) {
s_catch_signals();
int j;
printf("Obj name : %s\n",obj_name);
printf("Writer name : %s\n",writer_id);
printf("Operation num : %d\n",op_num);
printf("Size : %d\n", size);
printf("Size of : %u\n", (unsigned int)strlen(payload));
char *myb64 = (char *)malloc(strlen(payload));
b64_decode(payload, myb64);
printf("Encoded string : %s\n", payload);
printf("Server string : %s\n", servers_str);
printf("Port to Use : %s\n", port);
int num_servers = count_num_servers(servers_str);
printf("Num of Servers : %d\n",num_servers);
// printf("Decoded string : %s\n", myb64);
char **servers = create_server_names(servers_str);
for(j=0; j < num_servers; j++) {
printf("\tServer : %s\n", servers[j]);
}
printf("\n");
free(myb64);
zctx_t *ctx = zctx_new();
void *sock_to_servers = zsocket_new(ctx, ZMQ_DEALER);
zctx_set_linger(ctx, 0);
assert (sock_to_servers);
zsocket_set_identity(sock_to_servers, writer_id);
for(j=0; j < num_servers; j++) {
char *destination = create_destination(servers[j], port);
int rc = zsocket_connect(sock_to_servers, (const char *)destination);
assert(rc==0);
free(destination);
}
printf("WRITE %d\n", op_num);
printf(" MAX_TAG (WRITER)\n");
TAG max_tag= get_max_tag_phase(obj_name, op_num, sock_to_servers, servers, num_servers, port);
//Create a new tag
TAG new_tag;
new_tag.z = max_tag.z + 1;
strcpy(new_tag.id, writer_id);
printf(" WRITE_VALUE (WRITER)\n");
write_value_phase(obj_name, writer_id, op_num, sock_to_servers, servers,
num_servers, port, payload, size, max_tag);
zsocket_destroy(ctx, sock_to_servers);
zctx_destroy(&ctx);
return true;
}
int main(int argc, char **argv) {
int rc;
setup_config(argc, argv);
if (config.pull == NULL) {
usage(argv[0]);
errx(EXIT_FAILURE, "no pull option set");
}
if (config.pub == NULL) {
usage(argv[0]);
errx(EXIT_FAILURE, "no pub option set");
}
void *context = zmq_init(1);
assert(context);
void *pull_socket = zmq_socket(context, ZMQ_PULL);
assert(pull_socket);
void *pub_socket = zmq_socket(context, ZMQ_PUB);
assert(pub_socket);
if (config.hwm > 0) {
rc = zmq_setsockopt(pub_socket, ZMQ_HWM, &config.hwm, sizeof(config.hwm));
if (rc != 0)
errx(EXIT_FAILURE, "failed to set high-water mark \"%"PRIu64"\"", config.hwm);
}
if (config.swap > 0) {
if (config.hwm < 1)
errx(EXIT_FAILURE, "hwm must be set to use swap");
rc = zmq_setsockopt(pub_socket, ZMQ_SWAP, &config.swap, sizeof(config.swap));
if (rc != 0)
errx(EXIT_FAILURE, "failed to set swap size \"%"PRIu64"\"", config.swap);
}
rc = zmq_bind(pull_socket, config.pull);
if (rc != 0)
errx(EXIT_FAILURE, "failed to bind pull endpoint \"%s\"", config.pull);
rc = zmq_bind(pub_socket, config.pub);
if (rc != 0)
errx(EXIT_FAILURE, "failed to bind pub endpoint \"%s\"", config.pub);
s_catch_signals();
int64_t more;
size_t more_size;
zmq_msg_t msg;
zmq_msg_init(&msg);
while (!s_interrupted) {
if (zmq_recv(pull_socket, &msg, 0)) continue;
more_size = sizeof(more);
zmq_getsockopt(pull_socket, ZMQ_RCVMORE, &more, &more_size);
zmq_send(pub_socket, &msg, more ? ZMQ_SNDMORE : 0);
}
zmq_close(pull_socket);
zmq_close(pub_socket);
zmq_term(context);
printf("\n");
return EXIT_SUCCESS;
}
int main (void)
{
int rc;
void *context = zmq_ctx_new ();
void *socket = zmq_socket (context, ZMQ_REP);
zmq_bind (socket, "tcp://*:5555");
int pipefds[2];
rc = pipe(pipefds);
if (rc != 0) {
perror("Creating self-pipe");
exit(1);
}
for (int i = 0; i < 2; i++) {
int flags = fcntl(pipefds[0], F_GETFL, 0);
if (flags < 0) {
perror ("fcntl(F_GETFL)");
exit(1);
}
rc = fcntl (pipefds[0], F_SETFL, flags | O_NONBLOCK);
if (rc != 0) {
perror ("fcntl(F_SETFL)");
exit(1);
}
}
s_catch_signals (pipefds[1]);
zmq_pollitem_t items [] = {
{ 0, pipefds[0], ZMQ_POLLIN, 0 },
{ socket, 0, ZMQ_POLLIN, 0 }
};
while (1) {
rc = zmq_poll (items, 2, -1);
if (rc == 0) {
continue;
} else if (rc < 0) {
if (errno == EINTR) { continue; }
perror("zmq_poll");
exit(1);
}
// Signal pipe FD
if (items [0].revents & ZMQ_POLLIN) {
char buffer [1];
read (pipefds[0], buffer, 1); // clear notifying byte
printf ("W: interrupt received, killing server...\n");
break;
}
// Read socket
if (items [1].revents & ZMQ_POLLIN) {
char buffer [255];
// Use non-blocking so we can continue to check self-pipe via zmq_poll
rc = zmq_recv (socket, buffer, 255, ZMQ_NOBLOCK);
if (rc < 0) {
if (errno == EAGAIN) { continue; }
if (errno == EINTR) { continue; }
perror("recv");
exit(1);
}
printf ("W: recv\n");
// Now send message back.
// ...
}
}
printf ("W: cleaning up\n");
zmq_close (socket);
zmq_ctx_destroy (context);
return 0;
}
// Main
int
main (int argc, char **argv)
{
// Do some initial sanity checking
assert (TIME_BITLEN + MACHINE_BITLEN + SEQ_BITLEN == 64);
// Parse command-line arguments
int opt;
int has_port_opt = 0;
int has_machine_opt = 0;
int has_config_file_opt = 0;
int has_daemonize_opt = 0;
int machine_specified = 0;
const char *config_file_path;
int port = DEFAULT_PORT;
uint64_t machine;
while ((opt = getopt (argc, argv, "hp:m:f:d")) != -1) {
switch (opt) {
case 'h':
print_help ();
exit (EXIT_SUCCESS);
case 'p':
has_port_opt = 1;
port = atoi (optarg);
break;
case 'm':
has_machine_opt = 1;
machine = atoll (optarg);
machine_specified = 1;
break;
case 'f':
has_config_file_opt = 1;
config_file_path = optarg;
break;
case 'd':
has_daemonize_opt = 1;
break;
}
}
// Read the config file
if (has_config_file_opt) {
config_t cfg;
config_init (&cfg);
if (!config_read_file (&cfg, config_file_path)) {
config_destroy (&cfg);
fprintf (stderr, "Invalid config file\n");
exit (EXIT_FAILURE);
}
long unsigned int machine_from_file;
if (config_lookup_int (&cfg, "machine", &machine_from_file) && !has_machine_opt) {
machine_specified = 1;
machine = (uint64_t) machine_from_file;
}
long unsigned int port_from_file;
if (config_lookup_int (&cfg, "port", &port_from_file) && !has_port_opt)
port = (int) port_from_file;
}
// Sanity check the machine number
if (!machine_specified) {
fprintf (stderr, "No machine number specified.\n");
exit (EXIT_FAILURE);
}
else if (machine > MACHINE_MAX) {
fprintf (stderr, "Machine number too large. Cannot be greater than %llu\n", MACHINE_MAX);
exit (EXIT_FAILURE);
}
// Daemonize
static char *pid_file_path = "/var/run/znowflaked.pid";
int pid_file;
if (has_daemonize_opt) {
pid_t pid, sid;
pid = fork ();
if (pid < 0) {
exit (EXIT_FAILURE);
}
if (pid > 0) {
exit (EXIT_SUCCESS);
}
umask (0);
sid = setsid ();
if (sid < 0) {
exit (EXIT_FAILURE);
}
if ((chdir ("/")) < 0) {
exit (EXIT_FAILURE);
}
// Create and lock the pid file
pid_file = open (pid_file_path, O_CREAT | O_RDWR, 0666);
if (pid_file > 0) {
int rc = lockf (pid_file, F_TLOCK, 0);
if (rc) {
switch (errno) {
case EACCES:
case EAGAIN:
fprintf (stderr, "PID file already locked\n");
break;
case EBADF:
fprintf (stderr, "Bad pid file\n");
break;
default:
fprintf (stderr, "Could not lock pid file\n");
}
exit (EXIT_FAILURE);
}
char *pid_string = NULL;
int pid_string_len = asprintf (&pid_string, "%ld", (long) getpid ());
write (pid_file, pid_string, pid_string_len);
}
close (STDIN_FILENO);
close (STDOUT_FILENO);
close (STDERR_FILENO);
}
// Sleep for 1ms to prevent collisions
struct timespec ms;
ms.tv_sec = 0;
ms.tv_nsec = 1000000;
nanosleep (&ms, NULL);
// Initialize ZeroMQ
zctx_t *context = zctx_new ();
assert (context);
void *socket = zsocket_new (context, ZMQ_REP);
assert (socket);
assert (streq (zsocket_type_str (socket), "REP"));
int rc = zsocket_bind (socket, "tcp://*:%d", port);
if (rc != port) {
printf ("E: bind failed: %s\n", strerror (errno));
exit (EXIT_FAILURE);
}
// Start remembering the last timer tick
uint64_t ts = 0;
uint64_t last_ts = 0;
uint64_t seq = 0;
// Main loop
s_catch_signals ();
while (1) {
// Wait for the next request
zmsg_t *request_msg = zmsg_new ();
assert (request_msg);
request_msg = zmsg_recv (socket);
assert (request_msg);
zmsg_destroy (&request_msg);
// Grab a time click
last_ts = ts;
ts = get_ts ();
// Make sure the system clock wasn't reversed on us
if (ts < last_ts) {
// Wait until it catches up
while (ts <= last_ts) {
nanosleep (&ms, NULL);
ts = get_ts ();
}
}
// Increment the sequence number
if (ts != last_ts) {
// We're in a new time click, so reset the sequence
seq = 0;
}
else if (seq == SEQ_MAX) {
// Wrapped sequence, so wait for the next time tick
seq = 0;
nanosleep (&ms, NULL);
}
else {
// Still in the same time click
seq++;
}
// Build the ID and put it in network byte order
uint64_t id = build_id (ts, machine, seq);
uint64_t id_be64 = htobe64 (id);
// Reply
zmsg_t *reply_msg = zmsg_new ();
assert (reply_msg);
zframe_t *frame = zframe_new (&id_be64, 8);
assert (frame);
zmsg_push (reply_msg, frame);
assert (zmsg_size (reply_msg) == 1);
assert (zmsg_content_size (reply_msg) == 8);
zmsg_send (&reply_msg, socket);
assert (reply_msg == NULL);
// Exit program
if (s_interrupted) {
printf ("interrupt received, killing server…\n");
break;
}
}
zctx_destroy (&context);
if (has_daemonize_opt) {
if (pid_file > 0) {
unlink (pid_file_path);
close (pid_file);
}
}
exit (EXIT_SUCCESS);
}
int main_application(int argc, char* argv[])
{
// opening zeromq context
zmqpp::context z_context;
if (sodium_init() == -1) {
std::cerr << "[E] Could not initialize crypto library libsodium."
<< std::endl;
return 1;
}
// we eagerly initialize all singletons here
Boxoffice::getInstance();
int return_val = Config::initialize(argc, argv);
if (return_val != 0) {
return return_val;
}
if (sodium_init() == -1) {
std::cerr << "[E] Could not initialize crypto library libsodium."
<< std::endl;
return 1;
}
// catch signals
s_catch_signals();
// bind process broadcast pub
zmqpp::socket z_broadcast(z_context, zmqpp::socket_type::pub);
z_broadcast.bind("inproc://f_broadcast");
// bind to boxoffice endpoint
zmqpp::socket z_boxoffice(z_context, zmqpp::socket_type::pair);
z_boxoffice.bind("inproc://f_bo_main_pair");
// opening boxoffice thread
if (F_MSG_DEBUG) printf("main: opening boxoffice thread\n");
boost::thread bo_thread(boxoffice_thread, &z_context);
// wait for signal from boxoffice
if (F_MSG_DEBUG) printf("main: waiting for boxoffice to send exit signal\n");
while(s_interrupted == 0)
{
usleep(100);
}
std::cout << "main: received interrupt, broadcasting signal to boxoffice..." << std::endl;
std::stringstream* message = new std::stringstream();
*message << F_SIGTYPE_LIFE << " " << F_SIGLIFE_INTERRUPT;
zmqpp::message* z_msg = new zmqpp::message();
*z_msg << message->str();
z_boxoffice.send(*z_msg);
delete z_msg;
std::cout << "main: boxoffice exited, broadcasting signal..." << std::endl;
message = new std::stringstream();
*message << F_SIGTYPE_LIFE << " " << F_SIGLIFE_INTERRUPT;
z_msg = new zmqpp::message();
*z_msg << message->str();
z_broadcast.send(*z_msg);
std::cout << "main: waiting for boxoffice to send exit..." << std::endl;
z_msg = new zmqpp::message();
z_boxoffice.receive(*z_msg);
std::stringstream sstream;
sstream << z_msg->get(0);
int msg_type, msg_signal;
sstream >> msg_type >> msg_signal;
delete z_msg;
sstream >> msg_type >> msg_signal;
if ( msg_type != F_SIGTYPE_LIFE && msg_signal != F_SIGLIFE_EXIT ) return 1;
if (F_MSG_DEBUG) printf("main: boxoffice sent exit signal, cleaning up and exiting...\n");
bo_thread.join();
z_boxoffice.close();
z_broadcast.close();
z_context.terminate();
return 0;
}
int main (void)
{
// Prepare our context and subscriber
void *context = zmq_init (1);
void *subscriber = zmq_socket (context, ZMQ_SUB);
zmq_setsockopt (subscriber, ZMQ_SUBSCRIBE, "", 0);
zmq_connect (subscriber, "tcp://localhost:5556");
void *snapshot = zmq_socket (context, ZMQ_XREQ);
zmq_connect (snapshot, "tcp://localhost:5557");
void *updates = zmq_socket (context, ZMQ_PUSH);
zmq_connect (updates, "tcp://localhost:5558");
s_catch_signals ();
zhash_t *kvmap = zhash_new ();
srandom ((unsigned) time (NULL));
// Get state snapshot
int64_t sequence = 0;
s_send (snapshot, "I can haz state?");
while (!s_interrupted) {
kvmsg_t *kvmsg = kvmsg_recv (snapshot);
if (!kvmsg)
break; // Interrupted
if (streq (kvmsg_key (kvmsg), "KTHXBAI")) {
sequence = kvmsg_sequence (kvmsg);
kvmsg_destroy (&kvmsg);
break; // Done
}
kvmsg_store (&kvmsg, kvmap);
}
printf ("I: received snapshot=%" PRId64 "\n", sequence);
int zero = 0;
zmq_setsockopt (snapshot, ZMQ_LINGER, &zero, sizeof (zero));
zmq_close (snapshot);
int64_t alarm = s_clock () + 1000;
while (!s_interrupted) {
zmq_pollitem_t items [] = { { subscriber, 0, ZMQ_POLLIN, 0 } };
int tickless = (int) ((alarm - s_clock ()));
if (tickless < 0)
tickless = 0;
int rc = zmq_poll (items, 1, tickless * 1000);
if (rc == -1)
break; // Context has been shut down
if (items [0].revents & ZMQ_POLLIN) {
kvmsg_t *kvmsg = kvmsg_recv (subscriber);
if (!kvmsg)
break; // Interrupted
// Discard out-of-sequence kvmsgs, incl. heartbeats
if (kvmsg_sequence (kvmsg) > sequence) {
sequence = kvmsg_sequence (kvmsg);
kvmsg_store (&kvmsg, kvmap);
printf ("I: received update=%" PRId64 "\n", sequence);
}
else
kvmsg_destroy (&kvmsg);
}
// If we timed-out, generate a random kvmsg
if (s_clock () >= alarm) {
kvmsg_t *kvmsg = kvmsg_new (0);
kvmsg_fmt_key (kvmsg, "%d", randof (10000));
kvmsg_fmt_body (kvmsg, "%d", randof (1000000));
kvmsg_send (kvmsg, updates);
kvmsg_destroy (&kvmsg);
alarm = s_clock () + 1000;
}
}
zhash_destroy (&kvmap);
printf (" Interrupted\n%" PRId64 " messages in\n", sequence);
zmq_setsockopt (updates, ZMQ_LINGER, &zero, sizeof (zero));
zmq_close (updates);
zmq_close (subscriber);
zmq_term (context);
return 0;
}
int main(int argc, char** argv)
{
s_catch_signals();
std::string configPath(CONFIG);
if(argc > 1)
{
configPath = std::string(argv[1]);
}
std::ifstream file;
std::stringstream ss;
file.open(configPath.c_str());
if (file.is_open())
{
ss << file.rdbuf();
file.close();
}
else
{
exit(1);
}
json::JSONObject config(ss);
leveldb::Options options;
options.create_if_missing = true;
leveldb::DB::Open(options, config.get("StorageDirectory"), &db);
context = zmq_init(1);
void *frontend = zmq_socket(context, ZMQ_ROUTER),
*backend = zmq_socket(context, ZMQ_DEALER);
zmq_bind(frontend, config.get("StorageAdd").c_str());
zmq_bind(backend, "inproc://storageWorkers");
MessageFactory *msgFactory = new MessageFactory();
ActionFactory *actionsFactory = new ActionFactory(db);
nExecutors = config.getInt("StorageNWorkers");
executors = new Executor*[nExecutors];
for(size_t i = 0; i < nExecutors; i++)
{
executors[i] = new Executor(msgFactory, actionsFactory, context);
executors[i]->start();
}
zmq_device(ZMQ_QUEUE, frontend, backend);
for(size_t i = 0; i < nExecutors; i++)
{
delete executors[i];
}
delete actionsFactory;
delete msgFactory;
delete executors;
zmq_close(frontend);
zmq_close(backend);
zmq_term(context);
return 0;
}
int main(int argc, char **argv) {
s_catch_signals ();
for (;;) {
int idx;
int c;
c = getopt_long(argc, argv,
short_options, long_options, &idx);
if (-1 == c)
break;
switch (c) {
case 0: /* getopt_long() flag */
break;
case 'd':
dev_name = optarg;
break;
case 'h':
usage(stdout, argc, argv);
exit(EXIT_SUCCESS);
case 'm':
io = IO_METHOD_MMAP;
break;
case 'r':
io = IO_METHOD_READ;
break;
case 'u':
io = IO_METHOD_USERPTR;
break;
case 'W':
// set width
width = atoi(optarg);
set_format++;
break;
case 'H':
// set height
height = atoi(optarg);
set_format++;
break;
case 'I':
// set fps
fps = atoi(optarg);
break;
case 'f':
// set pixel format
if (strcmp(optarg, "YUYV") == 0 || strcmp(optarg, "yuyv") == 0) {
pixel_format = V4L2_PIX_FMT_YUYV;
set_format++;
} else if (strcmp(optarg, "MJPG") == 0 || strcmp(optarg, "mjpg") == 0) {
pixel_format = V4L2_PIX_FMT_MJPEG;
set_format++;
} else if (strcmp(optarg, "H264") == 0 || strcmp(optarg, "h264") == 0) {
pixel_format = V4L2_PIX_FMT_H264;
set_format++;
}
break;
case 't':
// set timeout
timeout = atoi(optarg);
break;
case 'T':
// set max timeout
timeouts_max = atoi(optarg);
break;
case 'o':
out_buf++;
break;
case 'c':
errno = 0;
frame_count = strtol(optarg, NULL, 0);
if (errno)
errno_exit(optarg);
break;
default:
usage(stderr, argc, argv);
exit(EXIT_FAILURE);
}
}
clock_t begin, end;
double time_spent;
begin = clock();
open_device();
init_device();
start_capturing();
end = clock();
time_spent = (double)(end - begin) / CLOCKS_PER_SEC;
fprintf(stderr, "Startup took %f seconds\n", time_spent);
mainloop();
begin = clock();
stop_capturing();
uninit_device();
close_device();
end = clock();
time_spent = (double)(end - begin) / CLOCKS_PER_SEC;
fprintf(stderr, "Shutdown took %f seconds\n", time_spent);
fprintf(stderr, "\n");
return 0;
}