static void cg_http_server_clientthread(CgThread *thread)
{
CgHttpServerClientData *clientData;
CgHttpServer *httpServer;
CgSocket *clientSock;
void *httpServerUserData;
CgHttpRequest *httpReq;
char *version = NULL;
cg_log_debug_l4("Entering...\n");
clientData = (CgHttpServerClientData *)cg_thread_getuserdata(thread);
httpServer = clientData->httpServer;
clientSock = clientData->clientSock;
httpServerUserData = cg_http_server_getuserdata(httpServer);
httpReq = cg_http_request_new();
cg_http_request_setsocket(httpReq, clientSock);
/**** Thanks for Makela Aapo (10/31/05) ****/
while (cg_http_request_read(httpReq, clientSock) == TRUE && cg_thread_isrunnable(thread) == TRUE) {
/* Check some validity of the request */
version = cg_http_request_getversion(httpReq);
if (cg_strcmp(version, CG_HTTP_VER11) == 0)
{
/* According to HTTP/1.1 spec, we must not tolerate
HTTP/1.1 request without HOST-header */
if (cg_http_request_gethost(httpReq) == NULL)
{
cg_http_request_postbadrequest(httpReq);
continue;
}
}
if (httpServer->listener != NULL) {
cg_http_request_setuserdata(httpReq, httpServerUserData);
httpServer->listener(httpReq);
}
/* Close connection according to HTTP version and headers */
if (cg_strcmp(version, CG_HTTP_VER10) == 0)
{
/* Terminate connection after HTTP/1.0 request */
break;
}
/* We are having HTTP/1.1 or better => terminate, if requested */
if (cg_http_request_iskeepaliveconnection(httpReq) == FALSE)
{
break;
}
}
cg_log_debug_s("Dropping HTTP client\n");
cg_http_request_delete(httpReq);
cg_socket_close(clientSock);
cg_socket_delete(clientSock);
cg_http_server_clientdata_delete(clientData);
cg_thread_setuserdata(thread, NULL);
// This code frequently crashes. mutex lock referencing free'd memory.
cg_http_server_lock(httpServer);
cg_thread_remove(thread);
cg_http_server_unlock(httpServer);
cg_log_debug_l4("Leaving...\n");
cg_thread_delete(thread);
}
void cg_upnp_dms_youtube_http_listener(CgHttpRequest *httpReq)
{
CgUpnpMediaServer *dms;
CgUpnpDevice *dev;
char *httpURI;
int contentMD5Idx;
char *contentMd5;
CgHttpResponse *httpRes;
CgSocket *sock;
char chunkedChar[32];
BOOL isHeadRequest;
struct stat fileStat;
off_t fileSize;
FILE *fp;
char readBuf[CG_FILE_READ_CHUNK_SIZE];
off_t nRead;
off_t nReadCnt;
off_t nWroteCnt;
char contentFile[CG_MD5_STRING_BUF_SIZE+8];
dev = (CgUpnpDevice *)cg_http_request_getuserdata(httpReq);
if (!dev) {
cg_http_request_postbadrequest(httpReq);
return;
}
dms = (CgUpnpMediaServer *)cg_upnp_device_getuserdata(dev);
if (!dms) {
cg_http_request_postbadrequest(httpReq);
return;
}
httpURI = cg_http_request_geturi(httpReq);
if (cg_strlen(httpURI) <= 0) {
cg_http_request_postbadrequest(httpReq);
return;
}
if (cg_strstr(httpURI, CG_UPNP_MEDIA_YOUTUBE_RESURL_PATH) < 0) {
cg_upnp_device_httprequestrecieved(httpReq);
return;
}
contentMD5Idx = cg_strrchr(httpURI, "/", 1);
if (contentMD5Idx < 0) {
cg_http_request_postbadrequest(httpReq);
return;
}
contentMd5 = httpURI + contentMD5Idx + 1;
cg_strcpy(contentFile, contentMd5);
cg_strcat(contentFile, "." CG_UPNP_MEDIA_YOUTUBE_TRANSCODE_FILEEXT);
cg_upnp_dms_lock(dms);
isHeadRequest = cg_http_request_isheadrequest(httpReq);
httpRes = cg_http_response_new();
#if defined(CG_USE_CHUNKED_STREAM)
cg_http_response_setversion(httpRes, CG_HTTP_VER11);
#else
cg_http_response_setversion(httpRes, CG_HTTP_VER10);
#endif
cg_http_response_setstatuscode(httpRes, CG_HTTP_STATUS_OK);
cg_http_response_setcontenttype(httpRes, CG_UPNP_MEDIA_YOUTUBE_CONTENT_MIMETYPE);
sock = cg_http_request_getsocket(httpReq);
cg_socket_settimeout(sock, 0);
fileSize = 0;
if (stat(contentFile, &fileStat) == 0)
fileSize = fileStat.st_size;
#if defined(CG_USE_CHUNKED_STREAM)
cg_http_packet_setheadervalue((CgHttpPacket*)httpRes, "Transfer-Encoding", "chunked");
#else
cg_http_response_setcontentlength(httpRes, fileSize);
#endif
cg_http_request_postresponse(httpReq, httpRes);
if (0 < fileSize) {
nReadCnt = 0;
nWroteCnt = 0;
fp = fopen(contentFile, "rb");
if (fp) {
nRead = fread(readBuf, sizeof(char), CG_FILE_READ_CHUNK_SIZE, fp);
while (nReadCnt < fileSize && 0 < nRead) {
nReadCnt += nRead;
#if defined(CG_USE_CHUNKED_STREAM)
sprintf(chunkedChar, "%x%s", nRead, CG_HTTP_CRLF);
cg_socket_write(sock, chunkedChar, cg_strlen(chunkedChar));
#endif
nWroteCnt += cg_socket_write(sock, readBuf, nRead);
#if defined(CG_USE_CHUNKED_STREAM)
cg_socket_write(sock, CG_HTTP_CRLF, sizeof(CG_HTTP_CRLF)-1);
#endif
nRead = fread(readBuf, sizeof(char), CG_FILE_READ_CHUNK_SIZE, fp);
}
fclose(fp);
}
}
#if defined(CG_USE_CHUNKED_STREAM)
sprintf(chunkedChar, "%x%s", 0, CG_HTTP_CRLF);
cg_socket_write(sock, chunkedChar, cg_strlen(chunkedChar));
#endif
cg_socket_close(sock);
cg_http_response_delete(httpRes);
cg_upnp_dms_unlock(dms);
}
/**
* The function that calls all HTTP listener callback functions. Do not call
* this from applications.
*
* @param httpReq The received HTTP request
*/
void cg_upnp_controlpoint_httprequestreceived(CgHttpRequest *httpReq)
{
CgUpnpControlPoint *ctrlPoint = NULL;
CgUpnpNotifyRequest *notifyReq = NULL;
CgUpnpPropertyList *propList = NULL;
CgUpnpProperty *prop = NULL;
CgUpnpEventListenerList *eventListeners = NULL;
const char *sid = NULL;
long seq = 0;
long timeout = 0;
CgUpnpDevice *dev = NULL;
CgUpnpService *service = NULL;
int notifyListeners = 0;
cg_log_debug_l4("Entering...\n");
ctrlPoint = (CgUpnpControlPoint *)cg_http_request_getuserdata(httpReq);
cg_upnp_controlpoint_lock(ctrlPoint);
#if !defined(CG_UPNP_NOUSE_SUBSCRIPTION)
if (cg_http_request_isnotifyrequest(httpReq) == TRUE) {
notifyReq = cg_upnp_event_notify_request_new();
cg_upnp_event_notify_request_sethttprequest(notifyReq, httpReq);
/* Get service according to SID */
sid = cg_upnp_event_notify_request_getsid(notifyReq);
for (dev = cg_upnp_controlpoint_getdevices(ctrlPoint);
dev != NULL;
dev = cg_upnp_device_next(dev))
{
service = cg_upnp_device_getservicebysid(dev, sid);
if (service != NULL) break;
}
if (service != NULL) {
/* We found a service */
seq = cg_upnp_event_notify_request_getseq(notifyReq);
/* Check that event key = previous + 1 */
if (seq != 0 && seq != cg_upnp_service_geteventkey(service) + 1)
{
/* The sequence does not match, unsubscribe and subscribe */
timeout = cg_upnp_service_getsubscriptiontimeout(service);
cg_upnp_controlpoint_unsubscribe(ctrlPoint, service);
cg_upnp_controlpoint_subscribe(ctrlPoint, service, timeout);
} else {
/* Wrap seq, so that assertion is true next time */
if (seq == CG_UPNP_EVENT_MAX_SEQ) seq = 0;
/* Set event key */
cg_upnp_service_seteventkey(service, seq);
notifyListeners = 1;
propList = cg_upnp_event_notify_request_getpropertylist(notifyReq);
for (prop=cg_upnp_propertylist_gets(propList);
prop != NULL;
prop = cg_upnp_property_next(prop))
{
/* Update the service's state table from the event */
cg_upnp_controlpoint_updatestatetablefromproperty(service, prop);
}
}
}
eventListeners = cg_upnp_controlpoint_geteventlisteners(ctrlPoint);
cg_upnp_controlpoint_unlock(ctrlPoint);
if (notifyListeners && propList != NULL)
{
/* Notify listeners out of control point lock */
for (prop=cg_upnp_propertylist_gets(propList);
prop != NULL;
prop = cg_upnp_property_next(prop))
{
cg_upnp_eventlistenerlist_notify(eventListeners, prop);
}
}
cg_upnp_event_notify_request_delete(notifyReq);
cg_http_request_postokrequest(httpReq);
return;
}
#endif
cg_upnp_controlpoint_unlock(ctrlPoint);
cg_http_request_postbadrequest(httpReq);
cg_log_debug_l4("Leaving...\n");
}
