msgthread.c
上传用户:lyxiangda
上传日期:2007-01-12
资源大小:3042k
文件大小:4k
- /*
- * The contents of this file are subject to the Mozilla Public
- * License Version 1.1 (the "License"); you may not use this file
- * except in compliance with the License. You may obtain a copy of
- * the License at http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS
- * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
- * implied. See the License for the specific language governing
- * rights and limitations under the License.
- *
- * The Original Code is the Netscape security libraries.
- *
- * The Initial Developer of the Original Code is Netscape
- * Communications Corporation. Portions created by Netscape are
- * Copyright (C) 1994-2000 Netscape Communications Corporation. All
- * Rights Reserved.
- *
- * Contributor(s):
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL"), in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your
- * version of this file only under the terms of the GPL and not to
- * allow others to use your version of this file under the MPL,
- * indicate your decision by deleting the provisions above and
- * replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient
- * may use your version of this file under either the MPL or the
- * GPL.
- */
- /* Cartman Server specific includes */
- #include "serv.h"
- #include "ctrlconn.h"
- #include "messages.h"
- #include "msgthread.h"
- struct MsgThreadCtx
- {
- SSMStatus (*f)(SSMControlConnection *, SECItem *);
- SSMControlConnection *ctrl;
- SECItem *msg;
- };
- typedef struct MsgThreadCtx MsgThreadCtx;
- static void
- freectx(MsgThreadCtx *ctx)
- {
- if (!ctx) return;
- SSM_FreeResource(&ctx->ctrl->super.super);
- SECITEM_FreeItem(ctx->msg, PR_TRUE);
- PR_Free(ctx);
- }
- static void
- threadfunc(void *arg)
- {
- SSMStatus rv;
- MsgThreadCtx *ctx = (MsgThreadCtx*)arg;
- rv = ctx->f(ctx->ctrl, ctx->msg);
- if (rv != SSM_SUCCESS) {
- ssmcontrolconnection_encode_err_reply(ctx->msg, rv);
- }
- ssmcontrolconnection_send_message_to_client(ctx->ctrl, ctx->msg);
- freectx(ctx);
- }
- /*
- * This function frees the Control Connection and the Message
- * data before returning.
- */
- SSMStatus
- SSM_ProcessMsgOnThread(SSMStatus (*f)(SSMControlConnection *, SECItem *),
- SSMControlConnection *ctrl, SECItem *msg)
- {
- SSMStatus rv = PR_SUCCESS;
- MsgThreadCtx *ctx = 0;
- PRThread *thrd;
- ctx = (MsgThreadCtx*)PR_Malloc(sizeof (MsgThreadCtx));
- if (!ctx) { rv = PR_FAILURE; goto loser; }
- ctx->f = f;
- ctx->ctrl = ctrl;
- SSM_GetResourceReference(&ctrl->super.super);
- ctx->msg = SECITEM_DupItem(msg);
- thrd = PR_CreateThread(PR_USER_THREAD, threadfunc, ctx, PR_PRIORITY_NORMAL,
- PR_LOCAL_THREAD, PR_UNJOINABLE_THREAD, 0);
- if (!thrd) goto loser;
- ctx = 0; /* Thread now owns the context */
- loser:
- if (ctx) freectx(ctx);
- return rv;
- }
- static void
- threadfunc1(void *arg)
- {
- SSMStatus rv;
- MsgThreadCtx *ctx = (MsgThreadCtx*)arg;
- rv = ctx->f(ctx->ctrl, ctx->msg);
- /* Can't indicate failure */
- if (rv != SSM_SUCCESS) SSM_DEBUG("Thread processing function failedn");
- freectx(ctx);
- }
- SSMStatus
- SSM_ProcessMsgOnThreadReply(SSMStatus (*f)(SSMControlConnection *, SECItem *),
- SSMControlConnection *ctrl, SECItem *msg)
- {
- SSMStatus rv = PR_SUCCESS;
- MsgThreadCtx *ctx = 0;
- PRThread *thrd;
- SingleNumMessage reply;
- ctx = (MsgThreadCtx*)PR_Malloc(sizeof (MsgThreadCtx));
- if (!ctx) { rv = PR_FAILURE; goto loser; }
- ctx->f = f;
- ctx->ctrl = ctrl;
- SSM_GetResourceReference(&ctrl->super.super);
- ctx->msg = SECITEM_DupItem(msg);
- thrd = PR_CreateThread(PR_USER_THREAD, threadfunc1, ctx, PR_PRIORITY_NORMAL,
- PR_LOCAL_THREAD, PR_UNJOINABLE_THREAD, 0);
- if (!thrd) goto loser;
- ctx = 0; /* Thread now owns the context */
- free(msg->data);
- msg->data = 0;
- /* Send response */
- reply.value = 0;
- CMT_EncodeMessage(SingleNumMessageTemplate, (CMTItem*)msg, &reply);
- /* ssmcontrolconnection_send_message_to_client(ctrl, msg); */
- loser:
- if (ctx) freectx(ctx);
- return rv;
- }