Give event clients a citadel session context.

[citadel.git] / citadel / context.c

diff --git a/citadel/context.c b/citadel/context.c
index ad4332160d7f7d1e3230dfeb52e693ecb8e20fb8..dce6841c0aa450aaa15d0cf3249073b29e2ee8c6 100644 (file)
--- a/citadel/context.c
+++ b/citadel/context.c
@@ -413,6 +413,61 @@ CitContext *CreateNewContext(void) {
 }
 
 
+/*
+ * Initialize a new context and place it in the list.  The session number
+ * used to be the PID (which is why it's called cs_pid), but that was when we
+ * had one process per session.  Now we just assign them sequentially, starting
+ * at 1 (don't change it to 0 because masterCC uses 0).
+ */
+CitContext *CloneContext(CitContext *CloneMe) {
+       CitContext *me;
+       static int next_pid = 0;
+
+       me = (CitContext *) malloc(sizeof(CitContext));
+       if (me == NULL) {
+               CtdlLogPrintf(CTDL_ALERT, "citserver: can't allocate memory!!\n");
+               return NULL;
+       }
+       memcpy(me, CloneMe, sizeof(CitContext));
+
+       memset(&me->RecvBuf, 0, sizeof(IOBuffer));
+       memset(&me->SendBuf, 0, sizeof(IOBuffer));
+       memset(&me->SBuf, 0, sizeof(IOBuffer));
+       me->MigrateBuf = NULL;
+       me->sMigrateBuf = NULL;
+       me->redirect_buffer = NULL;
+#ifdef HAVE_OPENSSL
+       me->ssl = NULL;
+#endif
+
+       me->download_fp = NULL;
+       me->upload_fp = NULL;
+       /// TODO: what about the room/user?
+       me->ma = NULL;
+       me->openid_data = NULL;
+       me->ldap_dn = NULL;
+       me->session_specific_data = NULL;
+
+       me->MigrateBuf = NewStrBuf();
+       me->RecvBuf.Buf = NewStrBuf();
+
+       begin_critical_section(S_SESSION_TABLE);
+       {
+               me->cs_pid = ++next_pid;
+               me->prev = NULL;
+               me->next = ContextList;
+               me->lastcmd = time(NULL);       /* set lastcmd to now to prevent idle timer infanticide */
+               ContextList = me;
+               if (me->next != NULL) {
+                       me->next->prev = me;
+               }
+               ++num_sessions;
+       }
+       end_critical_section(S_SESSION_TABLE);
+       return (me);
+}
+
+
 /*
  * Return an array containing a copy of the context list.
  * This allows worker threads to perform "for each context" operations without