]> git.ipfire.org Git - thirdparty/haproxy.git/commitdiff
[MINOR] http: move the http transaction init/cleanup code to proto_http
authorWilly Tarreau <w@1wt.eu>
Tue, 22 Dec 2009 14:03:09 +0000 (15:03 +0100)
committerWilly Tarreau <w@1wt.eu>
Tue, 22 Dec 2009 14:03:09 +0000 (15:03 +0100)
This code really belongs to the http part since it's transaction-specific.
This will also make it easier to later reinitialize a transaction in order
to support keepalive.

include/proto/proto_http.h
src/client.c
src/proto_http.c
src/session.c

index d5a7306bc369807c8113aee70782811ba99e9c50..50d5957923ac383b0aa3a5a0c73dd4add4f4da5d 100644 (file)
@@ -91,6 +91,10 @@ void http_capture_bad_message(struct error_snapshot *es, struct session *s,
                               struct buffer *buf, struct http_msg *msg,
                              struct proxy *other_end);
 
+void http_init_txn(struct session *s);
+void http_end_txn(struct session *s);
+void http_reset_txn(struct session *s);
+
 /* to be used when contents change in an HTTP message */
 #define http_msg_move_end(msg, bytes) do { \
                unsigned int _bytes = (bytes);  \
index 492cae706954523a2c8867071b3fe798cef41221..866fc871e0e1d620cc2462473a73c6b779f29c98 100644 (file)
@@ -259,7 +259,6 @@ int event_accept(int fd) {
                proxy_inc_fe_ctr(l, p); /* note: cum_beconn will be increased once assigned */
 
                txn = &s->txn;
-               txn->flags = 0;
                /* Those variables will be checked and freed if non-NULL in
                 * session.c:session_free(). It is important that they are
                 * properly initialized.
@@ -272,36 +271,15 @@ int event_accept(int fd) {
                txn->hdr_idx.v = NULL;
                txn->hdr_idx.size = txn->hdr_idx.used = 0;
 
-               /* we always initialize the HTTP structure because we may use it later */
-               txn->status = -1;
-               txn->req.hdr_content_len = 0LL;
-               txn->rsp.hdr_content_len = 0LL;
-               txn->req.msg_state = HTTP_MSG_RQBEFORE; /* at the very beginning of the request */
-               txn->rsp.msg_state = HTTP_MSG_RPBEFORE; /* at the very beginning of the response */
-               txn->req.sol = txn->req.eol = NULL;
-               txn->req.som = txn->req.eoh = 0; /* relative to the buffer */
-               txn->rsp.sol = txn->rsp.eol = NULL;
-               txn->rsp.som = txn->rsp.eoh = 0; /* relative to the buffer */
-               txn->req.err_pos = txn->rsp.err_pos = -2; /* block buggy requests/responses */
-               chunk_reset(&txn->auth_hdr);
-               if (p->options2 & PR_O2_REQBUG_OK)
-                       txn->req.err_pos = -1; /* let buggy requests pass */
-
                if (p->mode == PR_MODE_HTTP) {
                        /* the captures are only used in HTTP frontends */
-                       if (p->nb_req_cap > 0) {
-                               if ((txn->req.cap = pool_alloc2(p->req_cap_pool)) == NULL)
+                       if (p->nb_req_cap > 0 &&
+                           (txn->req.cap = pool_alloc2(p->req_cap_pool)) == NULL)
                                        goto out_fail_reqcap;   /* no memory */
 
-                               memset(txn->req.cap, 0, p->nb_req_cap*sizeof(char *));
-                       }
-
-                       if (p->nb_rsp_cap > 0) {
-                               if ((txn->rsp.cap = pool_alloc2(p->rsp_cap_pool)) == NULL)
+                       if (p->nb_rsp_cap > 0 &&
+                           (txn->rsp.cap = pool_alloc2(p->rsp_cap_pool)) == NULL)
                                        goto out_fail_rspcap;   /* no memory */
-
-                               memset(txn->rsp.cap, 0, p->nb_rsp_cap*sizeof(char *));
-                       }
                }
 
                if (p->acl_requires & ACL_USE_L7_ANY) {
@@ -313,10 +291,11 @@ int event_accept(int fd) {
 
                        if ((txn->hdr_idx.v = pool_alloc2(p->hdr_idx_pool)) == NULL)
                                goto out_fail_idx; /* no memory */
-
-                       hdr_idx_init(&txn->hdr_idx);
                }
 
+               if (p->mode == PR_MODE_HTTP)
+                       http_init_txn(s);
+
                if ((p->mode == PR_MODE_TCP || p->mode == PR_MODE_HTTP)
                    && (p->logfac1 >= 0 || p->logfac2 >= 0)) {
                        if (p->to_log) {
index f61bfe6b2ad4be67ca8492841e509dcc96260ce8..c5bfc45cec4cb9f8f7b9cbd4aca277ddc2b8cb04 100644 (file)
@@ -5018,6 +5018,87 @@ void debug_hdr(const char *dir, struct session *t, const char *start, const char
        write(1, trash, len);
 }
 
+/*
+ * Initialize a new HTTP transaction for session <s>. It is assumed that all
+ * the required fields are properly allocated and that we only need to (re)init
+ * them. This should be used before processing any new request.
+ */
+void http_init_txn(struct session *s)
+{
+       struct http_txn *txn = &s->txn;
+       struct proxy *fe = s->fe;
+
+       txn->flags = 0;
+       txn->status = -1;
+
+       txn->req.sol = txn->req.eol = NULL;
+       txn->req.som = txn->req.eoh = 0; /* relative to the buffer */
+       txn->rsp.sol = txn->rsp.eol = NULL;
+       txn->rsp.som = txn->rsp.eoh = 0; /* relative to the buffer */
+       txn->req.hdr_content_len = 0LL;
+       txn->rsp.hdr_content_len = 0LL;
+       txn->req.msg_state = HTTP_MSG_RQBEFORE; /* at the very beginning of the request */
+       txn->rsp.msg_state = HTTP_MSG_RPBEFORE; /* at the very beginning of the response */
+       chunk_reset(&txn->auth_hdr);
+
+       txn->req.err_pos = txn->rsp.err_pos = -2; /* block buggy requests/responses */
+       if (fe->options2 & PR_O2_REQBUG_OK)
+               txn->req.err_pos = -1;            /* let buggy requests pass */
+
+       if (txn->req.cap)
+               memset(txn->req.cap, 0, fe->nb_req_cap * sizeof(void *));
+
+       if (txn->rsp.cap)
+               memset(txn->rsp.cap, 0, fe->nb_rsp_cap * sizeof(void *));
+
+       if (txn->hdr_idx.v)
+               hdr_idx_init(&txn->hdr_idx);
+}
+
+/* to be used at the end of a transaction */
+void http_end_txn(struct session *s)
+{
+       struct http_txn *txn = &s->txn;
+
+       /* these ones will have been dynamically allocated */
+       pool_free2(pool2_requri, txn->uri);
+       pool_free2(pool2_capture, txn->cli_cookie);
+       pool_free2(pool2_capture, txn->srv_cookie);
+       txn->uri = NULL;
+       txn->srv_cookie = NULL;
+       txn->cli_cookie = NULL;
+}
+
+/* to be used at the end of a transaction to prepare a new one */
+void http_reset_txn(struct session *s)
+{
+       http_end_txn(s);
+       http_init_txn(s);
+
+       s->be = s->fe;
+       s->req->analysers = s->listener->analysers;
+       s->logs.logwait = s->fe->to_log;
+       s->srv = s->prev_srv = s->srv_conn = NULL;
+       s->pend_pos = NULL;
+       s->conn_retries = s->be->conn_retries;
+
+       s->req->flags |= BF_READ_DONTWAIT; /* one read is usually enough */
+
+       s->req->rto = s->fe->timeout.client;
+       s->req->wto = s->be->timeout.server;
+       s->req->cto = s->be->timeout.connect;
+
+       s->rep->rto = s->be->timeout.server;
+       s->rep->wto = s->fe->timeout.client;
+       s->rep->cto = TICK_ETERNITY;
+
+       s->req->rex = TICK_ETERNITY;
+       s->req->wex = TICK_ETERNITY;
+       s->req->analyse_exp = TICK_ETERNITY;
+       s->rep->rex = TICK_ETERNITY;
+       s->rep->wex = TICK_ETERNITY;
+       s->rep->analyse_exp = TICK_ETERNITY;
+}
 
 /************************************************************************/
 /*        The code below is dedicated to ACL parsing and matching       */
index b86526ac84b552f57f86f335f29b8a913cf9e6fe..d310a48754fa3d4249e14558ba3c7216f85baa14 100644 (file)
@@ -97,9 +97,8 @@ void session_free(struct session *s)
                        pool_free2(fe->req_cap_pool, txn->req.cap);
                }
        }
-       pool_free2(pool2_requri, txn->uri);
-       pool_free2(pool2_capture, txn->cli_cookie);
-       pool_free2(pool2_capture, txn->srv_cookie);
+
+       http_end_txn(s);
 
        list_for_each_entry_safe(bref, back, &s->back_refs, users) {
                /* we have to unlink all watchers. We must not relink them if