int main (void) {
struct event_base *ebase;
struct evhttp *server;
// Create a new event handler
ebase = event_base_new ();;
// Create a http server using that handler
server = evhttp_new (ebase);
// Limit serving GET requests
evhttp_set_allowed_methods (server, EVHTTP_REQ_GET);
// Set a test callback, /testing
evhttp_set_cb (server, "/testing", testing, 0);
// Set the callback for anything not recognized
evhttp_set_gencb (server, notfound, 0);
// Listen locally on port 32001
if (evhttp_bind_socket (server, "127.0.0.1", 32001) != 0)
errx (1, "Could not bind to 127.0.0.1:32001");
// Start processing queries
event_base_dispatch(ebase);
// Free up stuff
evhttp_free (server);
event_base_free (ebase);
}
static void http_srvr_defaults(struct evhttp *srvr)
{
// limit what the clients can do a bit
evhttp_set_allowed_methods(srvr, EVHTTP_REQ_GET);
evhttp_set_timeout(srvr, 30);
evhttp_set_max_body_size(srvr, 10*1024);
evhttp_set_max_headers_size(srvr, 10*1024);
// TODO: How to limit the amount of concurrent HTTP connections?
}
int upnpc_event_subscribe(upnpc_device_t * p)
{
char hostname[MAXHOSTNAMELEN+1];
char hostname_port[MAXHOSTNAMELEN+1+6];
unsigned short port;
char * path;
unsigned int scope_id;
struct evhttp_request * req;
struct evkeyvalq * headers;
char callback_header[7+15+1+5+9+2+1];
if(p->parent->http_server == NULL) {
/* HTTP server to receive event notifications */
p->parent->http_server = evhttp_new(p->parent->base);
if(p->parent->http_server == NULL) {
debug_printf("evhttp_new() FAILED\n");
return -1;
}
evhttp_set_ext_method_cmp(p->parent->http_server, ext_methods_cb);
evhttp_set_allowed_methods(p->parent->http_server, EVHTTP_REQ_NOTIFY);
evhttp_set_cb(p->parent->http_server, "/evt_conn", upnpc_event_conn_req, p);
if(evhttp_bind_socket(p->parent->http_server, p->parent->local_address, p->parent->local_port) < 0) {
debug_printf("evhttp_bind_socket() FAILED\n");
return -1;
}
}
/*if(!parseURL(p->event_cif_url, hostname, &port, &path, &scope_id)) {*/
if(!parseURL(p->event_conn_url, hostname, &port, &path, &scope_id)) {
return -1;
}
if(port != 80)
snprintf(hostname_port, sizeof(hostname_port), "%s:%hu", hostname, port);
else
strncpy(hostname_port, hostname, sizeof(hostname_port));
if(p->soap_conn == NULL) {
p->soap_conn = evhttp_connection_base_new(p->parent->base, NULL, hostname, port);
}
evhttp_connection_set_ext_method_cmp(p->soap_conn, ext_methods_cb);
req = evhttp_request_new(upnpc_subscribe_response, p);
headers = evhttp_request_get_output_headers(req);
/*buffer = evhttp_request_get_output_buffer(req);*/
evhttp_add_header(headers, "Host", hostname_port);
/*evhttp_add_header(headers, "User-Agent", "***");*/
snprintf(callback_header, sizeof(callback_header), "<http://%s:%hu/evt_conn>", p->parent->local_address, p->parent->local_port);
evhttp_add_header(headers, "Callback", callback_header);
evhttp_add_header(headers, "NT", "upnp:event");
/*evhttp_add_header(headers, "NTS", "");*/
evhttp_add_header(headers, "Timeout", "3600");
/*evbuffer_add(buffer, body, body_len);*/
evhttp_make_request(p->soap_conn, req, EVHTTP_REQ_SUBSCRIBE, path);
p->state |= UPNPC_DEVICE_SOAP_REQ;
return 0;
}
bool HttpService::Init()
{
bool ret = false;
do
{
evthread_use_pthreads();
base_ = event_base_new();
if (!base_)
{
LOG_ERROR("create event base failed!");
break;
}
dnsbase_ = evdns_base_new(base_, 1);
if (!dnsbase_)
{
LOG_ERROR("create dnsbase failed!");
break;
}
http_server_ = evhttp_new(base_);
if (!http_server_)
{
LOG_ERROR("create evhttp failed!");
break;
}
evhttp_set_allowed_methods(http_server_,
EVHTTP_REQ_CONNECT |
EVHTTP_REQ_GET |
EVHTTP_REQ_POST |
EVHTTP_REQ_HEAD |
EVHTTP_REQ_PUT |
EVHTTP_REQ_DELETE);
if (evhttp_accept_socket(http_server_, sock_) != 0)
{
LOG_ERROR("accept socket failed!");
break;
}
evhttp_set_gencb(http_server_, HttpGenericCallback, this);
ret = true;
} while(0);
return ret;
}
void http_thread(void *asdf)
{
sigset_t sigs_to_block;
struct http_config_t *lc;
struct timeval http_timer_tv;
http_timer_tv.tv_sec = 0;
http_timer_tv.tv_usec = 200000;
pthreads_profiling_reset("http");
sigemptyset(&sigs_to_block);
sigaddset(&sigs_to_block, SIGALRM);
sigaddset(&sigs_to_block, SIGINT);
sigaddset(&sigs_to_block, SIGTERM);
sigaddset(&sigs_to_block, SIGQUIT);
sigaddset(&sigs_to_block, SIGHUP);
sigaddset(&sigs_to_block, SIGURG);
sigaddset(&sigs_to_block, SIGPIPE);
sigaddset(&sigs_to_block, SIGUSR1);
sigaddset(&sigs_to_block, SIGUSR2);
pthread_sigmask(SIG_BLOCK, &sigs_to_block, NULL);
/* start the http thread, which will start server threads */
hlog(LOG_INFO, "HTTP thread starting...");
/* we allocate a worker structure to be used within the http thread
* for parsing incoming packets and passing them on to the dupecheck
* thread.
*/
http_worker = worker_alloc();
http_worker->id = 80;
/* we also need a client structure to be used with incoming
* HTTP position uploads
*/
http_pseudoclient = pseudoclient_setup(80);
http_reconfiguring = 1;
while (!http_shutting_down) {
if (http_reconfiguring) {
http_reconfiguring = 0;
// shut down existing instance
http_server_free();
// do init
#if 1
libbase = event_base_new(); // libevent 2.x
#else
libbase = event_init(); // libevent 1.x
#endif
// timer for the whole libevent, to catch shutdown signal
ev_timer = event_new(libbase, -1, EV_TIMEOUT, http_timer, NULL);
event_add(ev_timer, &http_timer_tv);
for (lc = http_config; (lc); lc = lc->next) {
hlog(LOG_INFO, "Binding HTTP %s socket %s:%d", lc->upload_port ? "upload" : "status", lc->host, lc->port);
struct evhttp *srvr;
struct evhttp_bound_socket *handle;
if (lc->upload_port) {
if (!srvr_upload) {
srvr_upload = evhttp_new(libbase);
http_srvr_defaults(srvr_upload);
evhttp_set_allowed_methods(srvr_upload, EVHTTP_REQ_POST); /* uploads are POSTs, after all */
evhttp_set_gencb(srvr_upload, http_router, (void *)2);
}
srvr = srvr_upload;
} else {
if (!srvr_status) {
srvr_status = evhttp_new(libbase);
http_srvr_defaults(srvr_status);
evhttp_set_gencb(srvr_status, http_router, (void *)1);
}
srvr = srvr_status;
}
handle = evhttp_bind_socket_with_handle(srvr, lc->host, lc->port);
if (!handle) {
hlog(LOG_ERR, "Failed to bind HTTP socket %s:%d: %s", lc->host, lc->port, strerror(errno));
// TODO: should exit?
}
}
hlog(LOG_INFO, "HTTP thread ready.");
}
event_base_dispatch(libbase);
}
hlog(LOG_DEBUG, "HTTP thread shutting down...");
http_server_free();
/* free up the pseudo-client */
client_free(http_pseudoclient);
http_pseudoclient = NULL;
/* free up the pseudo-worker structure */
worker_free_buffers(http_worker);
hfree(http_worker);
http_worker = NULL;
}
static void HHVM_METHOD(EventHttp, setAllowedMethods, int64_t methods) {
EventHttpResourceData *resource_data = FETCH_RESOURCE(this_, EventHttpResourceData, s_event_http);
evhttp_set_allowed_methods((evhttp_t *)resource_data->getInternalResourceData(), methods);
}
