char *cg_upnp_event_subscription_createsid(char *buf, int bufSize)
{
#if !defined(ITRON)
time_t seed1;
time_t seed2;
#else
long seed1;
long seed2;
#endif
cg_log_debug_l4("Entering...\n");
#if !defined(ITRON)
seed1 = cg_getcurrentsystemtime();
seed2 = (time_t)((double)cg_getcurrentsystemtime() * ((double)rand() / (double)RAND_MAX));
#else
seed1 = rand();
seed2 = rand();
#endif
#if defined(HAVE_SNPRINTF)
snprintf(buf, bufSize,
#else
sprintf(buf,
#endif
"%04x-%04x-%04x-%04x",
(int)(seed1 & 0xFFFF),
(int)(((seed1 >> 31) | 0xA000) & 0xFFFF),
(int)(seed2 & 0xFFFF),
(int)(((seed2 >> 31) | 0xE000) & 0xFFFF));
return buf;
cg_log_debug_l4("Leaving...\n");
}
BOOL upnp_clock_actionreceived(CgUpnpAction *action)
{
CgTime currTime;
char *actionName;
CgUpnpArgument *currTimeArg;
char sysTimeStr[SYSTEM_TIME_BUF_LEN];
CgUpnpArgument *newTimeArg, *resultArg;
currTime = cg_getcurrentsystemtime();
actionName = cg_upnp_action_getname(action);
if (strcmp("GetTime", actionName) == 0) {
GetSystemTimeString(currTime, sysTimeStr);
currTimeArg = cg_upnp_action_getargumentbyname(action, "CurrentTime");
cg_upnp_argument_setvalue(currTimeArg, sysTimeStr);
return TRUE;
}
if (strcmp(actionName, "SetTime") == 0) {
newTimeArg = cg_upnp_action_getargumentbyname(action, "NewTime");
resultArg = cg_upnp_action_getargumentbyname(action, "Result");
cg_upnp_argument_setvalue(resultArg, "Not implemented");
return TRUE;
}
return FALSE;
}
char *cg_upnp_createuuid(char *uuidBuf, int uuidBufSize)
{
#if defined(HAVE_LIBUUID) || defined(TARGET_OS_IPHONE)
uuid_t uuid;
char uuidStr[CG_UPNP_UUID_MAX_LEN];
#elif defined(WIN32)
#pragma comment(lib, "Rpcrt4.lib")
UUID uuid;
unsigned char* szUuid = NULL;
#else
time_t time1;
time_t time2;
#endif
cg_log_debug_l4("Entering...\n");
#if defined(HAVE_LIBUUID) || defined(TARGET_OS_IPHONE)
uuid_generate(uuid);
uuid_unparse_lower(uuid, uuidStr);
snprintf(uuidBuf,uuidBufSize, "uuid:%s",uuidStr);
#elif defined(WIN32)
UuidCreate(&uuid);
UuidToString(&uuid, &szUuid);
sprintf(uuidBuf, "%s:%s",
CG_UPNP_UUID_NAME,
szUuid);
RpcStringFree(&szUuid);
#else
/**** Thanks for Makela Aapo (10/30/05) ****/
time1 = cg_getcurrentsystemtime();
time2 = (time_t)((double)cg_getcurrentsystemtime(NULL) * ((double)rand() / (double)RAND_MAX));
snprintf(uuidBuf, uuidBufSize, "%s:%04x-%04x-%04x-%04x",
CG_UPNP_UUID_NAME,
(int)(time1 & 0xFFFF),
(int)(((time1 >> 31) | 0xA000) & 0xFFFF),
(int)(time2 & 0xFFFF),
(int)(((time2 >> 31) | 0xE000) & 0xFFFF));
#endif
cg_log_debug_l4("Leaving...\n");
return uuidBuf;
}
BOOL upnp_clock_queryreceived(CgUpnpStateVariable *statVar)
{
char *varName;
CgTime currTime;
char sysTimeStr[SYSTEM_TIME_BUF_LEN];
varName = cg_upnp_statevariable_getname(statVar);
if (strcmp("Time", varName) == 0) {
currTime = cg_getcurrentsystemtime();
GetSystemTimeString(currTime, sysTimeStr);
cg_upnp_statevariable_setvalue(statVar, sysTimeStr);
return TRUE;
}
return FALSE;
}
BOOL cg_http_request_postresponse(CgHttpRequest *httpReq, CgHttpResponse *httpRes)
{
CgSocket *sock;
char httpDate[CG_HTTP_DATE_MAXLEN];
char *version, *reasonPhrase;
int statusCode;
char statusCodeBuf[CG_STRING_INTEGER_BUFLEN];
cg_log_debug_l4("Entering...\n");
sock = cg_http_request_getsocket(httpReq);
cg_log_debug_s("Got request:\n");
cg_http_request_print(httpReq);
cg_http_response_setdate(httpRes, cg_http_getdate(cg_getcurrentsystemtime(), httpDate, sizeof(httpDate)));
version = cg_http_response_getversion(httpRes);
statusCode = cg_http_response_getstatuscode(httpRes);
reasonPhrase = cg_http_response_getreasonphrase(httpRes);
if (version == NULL || reasonPhrase == NULL)
return FALSE;
cg_int2str(statusCode, statusCodeBuf, sizeof(statusCodeBuf));
/**** send first line ****/
cg_socket_write(sock, version, cg_strlen(version));
cg_socket_write(sock, CG_HTTP_SP, sizeof(CG_HTTP_SP)-1);
cg_socket_write(sock, statusCodeBuf, cg_strlen(statusCodeBuf));
cg_socket_write(sock, CG_HTTP_SP, sizeof(CG_HTTP_SP)-1);
cg_socket_write(sock, reasonPhrase, cg_strlen(reasonPhrase));
cg_socket_write(sock, CG_HTTP_CRLF, sizeof(CG_HTTP_CRLF)-1);
cg_log_debug_s("Posting response:\n");
cg_http_response_print(httpRes);
/**** send header and content ****/
cg_http_packet_post((CgHttpPacket *)httpRes, sock);
cg_log_debug_l4("Leaving...\n");
return TRUE;
}
void upnp_clock_device_update(CgUpnpDevice *clockDev)
{
CgTime currTime;
CgUpnpService *timeService;
CgUpnpStateVariable *timeState;
char sysTimeStr[SYSTEM_TIME_BUF_LEN];
timeService = cg_upnp_device_getservicebyexacttype(clockDev, "urn:schemas-upnp-org:service:timer:1");
if (timeService == NULL)
return;
timeState = cg_upnp_service_getstatevariablebyname(timeService, "Time");
if (timeState == NULL)
return;
currTime = cg_getcurrentsystemtime();
GetSystemTimeString(currTime, sysTimeStr);
cg_upnp_statevariable_setvalue(timeState, sysTimeStr);
printf("%s\n", sysTimeStr);
}
static int filter_duplicate_m_search(CgUpnpSSDPPacket *ssdpPkt)
{
CgSysTime *timestamps = ssdpPkt->timestamps;
int loc, s_length;
char *id_string, *r_address, *st, port[6];
CgSysTime curr_time;
cg_log_debug_l4("Entering...\n");
/* Initializing hash table to zero */
if (!ssdpPkt->initialized) {
ssdpPkt->initialized = 1;
memset(timestamps, '\0', CG_UPNP_SSDP_FILTER_TABLE_SIZE * sizeof( CgSysTime ));
}
r_address = cg_string_getvalue(ssdpPkt->dgmPkt->remoteAddress);
st = cg_upnp_ssdp_packet_getst(ssdpPkt);
sprintf(port, "%d", ssdpPkt->dgmPkt->remotePort);
/* Catenating remote address string with ssdp ST header field. */
s_length = strlen( r_address ) + strlen( st ) + strlen( port );
id_string = (char *)malloc( s_length + 1 );
if ( NULL == id_string )
{
cg_log_debug_s("Memory allocation problem!\n");
return FALSE;
}
memset(id_string, '\0', s_length + 1);
cg_strcat(id_string, r_address );
cg_strcat(id_string, port);
cg_strcat(id_string, st );
loc = simple_string_hash(id_string, CG_UPNP_SSDP_FILTER_TABLE_SIZE);
cg_log_debug("Calculated hash: %d\n", loc);
free(id_string);
curr_time = cg_getcurrentsystemtime();
if ( 0 == timestamps[loc] ) {
timestamps[loc] = curr_time;
cg_log_debug("First packet... Updating hash table.\n");
return FALSE;
}
else if ( ( curr_time - timestamps[loc] ) < CG_UPNP_DEVICE_M_SEARCH_FILTER_INTERVAL ) {
cg_log_debug("Filtering packet!\n");
timestamps[loc] = curr_time;
return TRUE;
}
else {
timestamps[loc] = curr_time;
cg_log_debug("Old timestamp found, just updating it.\n");
return FALSE;
}
cg_log_debug_l4("Leaving...\n");
}
void upnp_clock_device_httprequestrecieved(CgHttpRequest *httpReq)
{
CgTime currTime;
CgUpnpDevice *dev;
char *uri;
char content[2048];
char sysTimeStr[SYSTEM_TIME_BUF_LEN];
char serverName[CG_UPNP_SEVERNAME_MAXLEN];
CgHttpResponse *httpRes;
BOOL postRet;
dev = (CgUpnpDevice *)cg_http_request_getuserdata(httpReq);
uri = cg_http_request_geturi(httpReq);
if (strcmp(uri, "/presentation") != 0) {
cg_upnp_device_httprequestrecieved(httpReq);
return;
}
currTime = cg_getcurrentsystemtime();
#if defined(HAVE_SNPRINTF)
snprintf(content, sizeof(content),
#else
sprintf(content,
#endif
"<HTML>"
"<HEAD>"
"<TITLE>UPnP Clock Sample</TITLE>"
"</HEAD>"
"<META HTTP-EQUIV=\"Refresh\" CONTENT=\"1; URL=/presentation\">"
"<BODY><CENTER>"
"<H1>UPnP Clock Sample</H1>"
"<TABLE border=\"0\" cellpadding=\"0\" cellspacing=\"0\">"
"<TR>"
"<TD style=\"width: 50px; height: 50px; background-color: rgb(176, 176, 176);\"></TD>"
"<TD style=\"background-color: rgb(176, 176, 176);\"></TD>"
"<TD style=\"width: 50px; height: 50px; background-color: rgb(176, 176, 176);\"></TD>"
"</TR>"
"<TR>"
"<TD style=\"height: 50px; background-color: rgb(176, 176, 176);\"></TD>"
"<TD style=\"height: 50px; background-color: rgb(221, 236, 245);\" align=\"center\"><H1>"
"%s"
"</H1></TD>"
"<TD style=\"height: 50px; background-color: rgb(176, 176, 176);\"></TD>"
"</TR>"
"<TR>"
"<TD style=\"height: 50px; background-color: rgb(176, 176, 176);\"></TD>"
"<TD style=\"height: 50px; background-color: rgb(221, 236, 245);\" align=\"center\"><H3>"
"Server : %s"
"</H3></TD>"
"<TD style=\"height: 30px; background-color: rgb(176, 176, 176);\"></TD>"
"</TR>"
"<TR>"
"<TD style=\"width: 30px; height: 50px; background-color: rgb(176, 176, 176);\"></TD>"
"<TD style=\"background-color: rgb(176, 176, 176);\"></TD>"
"<TD style=\"width: 30px; height: 50px; background-color: rgb(176, 176, 176);\"></TD>"
"</TR>"
"</TABLE>"
"<CENTER></BODY>"
"</HTML>",
GetSystemTimeString(currTime, sysTimeStr),
cg_upnp_getservername(serverName, sizeof(serverName)));
httpRes = cg_http_response_new();
cg_http_response_setstatuscode(httpRes, CG_HTTP_STATUS_OK);
cg_http_response_setcontent(httpRes, content);
cg_http_response_setcontenttype(httpRes, "text/html");
cg_http_response_setcontentlength(httpRes, strlen(content));
postRet = cg_http_request_postresponse(httpReq, httpRes);
cg_http_response_delete(httpRes);
}
BOOL cg_http_persistentconnection_put(char *host, int port, void *data)
{
CgHttpPersistentConnection *new_node = NULL, *node = NULL;
cg_log_debug_l4("Entering...\n");
/* If we dont have cache, then just exit */
if (cache == NULL) {
cg_log_debug("(put) No cache! Persistent connections not initialized?\n");
return FALSE;
}
/* Check if we already have this one cached */
for (node = (CgHttpPersistentConnection*)cg_list_gets((CgList*)cache);
node != NULL;
node = (CgHttpPersistentConnection*)cg_list_next((CgList*)node))
{
if (cg_strcmp(cg_string_getvalue(node->host), host) == 0 &&
node->port == port)
{
/* If also data is the same, then update just
timestamp */
if (node->cacheData == data)
{
node->timestamp = cg_getcurrentsystemtime();
return TRUE;
}
cg_log_debug_s("Found cached persistent connection for %s:%d\n",
cg_string_getvalue(node->host), node->port);
new_node = node;
cg_list_remove((CgList*)new_node);
break;
}
}
/* We didn't find it */
if (new_node == NULL)
{
/* Check if we have already too many cached things */
if (cg_list_size((CgList*)cache) >= CG_HTTP_PERSISTENT_CACHE_SIZE)
{
/* Take last node (not refreshed for a long time) */
new_node = (CgHttpPersistentConnection *)cg_list_next((CgList *)cache);
cg_list_remove((CgList*)new_node);
cg_http_persistentconnection_delete(new_node);
new_node = NULL;
cg_log_debug_s("Max persistent HTTP connection cache reached.\n");
}
if (new_node == NULL)
{
if (data == NULL) return TRUE;
new_node = cg_http_persistentconnection_new();
if (new_node == NULL) return FALSE;
cg_log_debug_s("Adding persistent HTTP Connection %s:%d to cache\n",
host, port);
cg_log_debug_s("Persistent connections: %d\n", cg_list_size((CgList*)cache));
}
}
if (data != NULL)
{
/* Set appropriate values for the node */
cg_string_setvalue(new_node->host, host);
new_node->port = port;
new_node->cacheData = data;
new_node->timestamp = cg_getcurrentsystemtime();
cg_list_add((CgList*)cache, (CgList*)new_node);
} else {
/* remove and delete node */
cg_http_persistentconnection_delete(new_node);
}
return TRUE;
cg_log_debug_l4("Leaving...\n");
}
void *cg_http_persistentconnection_get(char *host, int port)
{
CgHttpPersistentConnection *node;
CgSysTime sys_time = cg_getcurrentsystemtime();
BOOL iterate;
cg_log_debug_l4("Entering...\n");
/* If we dont have cache, then just exit */
if (cache == NULL) {
cg_log_debug("(get) No cache! Persistent connections not initialized?\n");
return NULL;
}
/* Clear all expired nodes */
do {
iterate = FALSE;
for (node = (CgHttpPersistentConnection*)cg_list_gets((CgList*)cache);
node != NULL;
node = (CgHttpPersistentConnection*)cg_list_next((CgList*)node))
{
if (sys_time > node->timestamp + CG_HTTP_PERSISTENT_TIMEOUT_PERIOD)
{
cg_log_debug_s("Timeout for persistent HTTP Connection to %s:%d "
"(timestamp: %d)\n",
cg_string_getvalue(node->host), node->port,
node->timestamp);
cg_list_remove((CgList*)node);
cg_http_persistentconnection_delete(node);
iterate = TRUE;
break;
}
}
} while (iterate);
/* Get persistent node */
for (node = (CgHttpPersistentConnection*)cg_list_gets((CgList*)cache);
node != NULL;
node = (CgHttpPersistentConnection*)cg_list_next((CgList*)node))
{
if (cg_strcmp(cg_string_getvalue(node->host), host) == 0 &&
node->port == port)
{
/* Node was required, remove and add again to refresh
cache */
cg_list_remove((CgList*)node);
cg_list_add((CgList*)cache, (CgList*)node);
node->timestamp = cg_getcurrentsystemtime();
cg_log_debug_s("Persistent HTTP Connection cache HIT for %s:%d\n",
host, port);
return node->cacheData;
}
}
cg_log_debug_s("Persistent HTTP Connection cache MISS for %s:%d\n",
host, port);
return NULL;
cg_log_debug_l4("Leaving...\n");
}
