libwebsocket_context: add userspace pointer for use before wsi creation

Signed-off-by: Alon Levy <alevy@redhat.com>

lib/libwebsockets.c

@@ -2118,6 +2118,12 @@ libwebsocket_context_destroy(struct libwebsocket_context *context)
 #endif
 }
 
+LWS_EXTERN void *
+libwebsocket_context_user(struct libwebsocket_context *context)
+{
+    return context->user_space;
+}
+
 /**
  * libwebsocket_service() - Service any pending websocket activity
  * @context:	Websocket context
@@ -2504,7 +2510,8 @@ libwebsocket_create_context(int port, const char *interf,
 			       struct libwebsocket_extension *extensions,
 			       const char *ssl_cert_filepath,
 			       const char *ssl_private_key_filepath,
-			       int gid, int uid, unsigned int options)
+			       int gid, int uid, unsigned int options,
+                   void *user)
 {
 	int n;
 	int m;
@@ -2568,6 +2575,7 @@ libwebsocket_create_context(int port, const char *interf,
 	context->fds_count = 0;
 	context->extensions = extensions;
 	context->last_timeout_check_s = 0;
+    context->user_space = user;
 
 #ifdef WIN32
 	context->fd_random = 0;

lib/libwebsockets.h

@@ -579,7 +579,7 @@ libwebsocket_create_context(int port, const char * interf,
 		  struct libwebsocket_extension *extensions,
 		  const char *ssl_cert_filepath,
 		  const char *ssl_private_key_filepath, int gid, int uid,
-		  unsigned int options);
+		  unsigned int options, void *user);
 
 LWS_EXTERN void
 libwebsocket_context_destroy(struct libwebsocket_context *context);
@@ -594,6 +594,9 @@ LWS_EXTERN int
 libwebsocket_service_fd(struct libwebsocket_context *context,
 							 struct pollfd *pollfd);
 
+LWS_EXTERN void *
+libwebsocket_context_user(struct libwebsocket_context *context);
+
 /*
  * IMPORTANT NOTICE!
  *

lib/private-libwebsockets.h

@@ -258,6 +258,8 @@ struct libwebsocket_context {
 	struct libwebsocket_protocols *protocols;
 	int count_protocols;
 	struct libwebsocket_extension *extensions;
+
+    void *user_space;
 };
 
 

libwebsockets-api-doc.html

@@ -226,7 +226,8 @@ has been created.
 <i>const char *</i> <b>ssl_private_key_filepath</b>,
 <i>int</i> <b>gid</b>,
 <i>int</i> <b>uid</b>,
-<i>unsigned int</i> <b>options</b>)
+<i>unsigned int</i> <b>options</b>,
+<i>void *</i> <b>user</b>)
 <h3>Arguments</h3>
 <dl>
 <dt><b>port</b>

test-server/test-client.c

@@ -258,7 +258,7 @@ int main(int argc, char **argv)
 
 	context = libwebsocket_create_context(CONTEXT_PORT_NO_LISTEN, NULL,
 				protocols, libwebsocket_internal_extensions,
-							 NULL, NULL, -1, -1, 0);
+							 NULL, NULL, -1, -1, 0, NULL);
 	if (context == NULL) {
 		fprintf(stderr, "Creating libwebsocket context failed\n");
 		return 1;

test-server/test-fraggle.c

@@ -301,7 +301,7 @@ int main(int argc, char **argv)
 
 	context = libwebsocket_create_context(server_port, interface, protocols,
 				libwebsocket_internal_extensions,
-				cert_path, key_path, -1, -1, opts);
+				cert_path, key_path, -1, -1, opts, NULL);
 	if (context == NULL) {
 		fprintf(stderr, "libwebsocket init failed\n");
 		return -1;

test-server/test-ping.c

@@ -403,7 +403,7 @@ int main(int argc, char **argv)
 	context = libwebsocket_create_context(CONTEXT_PORT_NO_LISTEN, NULL,
 					      protocols,
 					      libwebsocket_internal_extensions,
-					      NULL, NULL, -1, -1, 0);
+					      NULL, NULL, -1, -1, 0, NULL);
 	if (context == NULL) {
 		fprintf(stderr, "Creating libwebsocket context failed\n");
 		return 1;

test-server/test-server-extpoll.c

@@ -484,7 +484,7 @@ int main(int argc, char **argv)
 
 	context = libwebsocket_create_context(port, interface_ptr, protocols,
 					libwebsocket_internal_extensions,
-					cert_path, key_path, -1, -1, opts);
+					cert_path, key_path, -1, -1, opts, NULL);
 	if (context == NULL) {
 		fprintf(stderr, "libwebsocket init failed\n");
 		return -1;

test-server/test-server.c

@@ -447,7 +447,7 @@ int main(int argc, char **argv)
 
 	context = libwebsocket_create_context(port, interface, protocols,
 				libwebsocket_internal_extensions,
-				cert_path, key_path, -1, -1, opts);
+				cert_path, key_path, -1, -1, opts, NULL);
 	if (context == NULL) {
 		fprintf(stderr, "libwebsocket init failed\n");
 		return -1;