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mirror of https://github.com/moparisthebest/curl synced 2024-12-21 15:48:49 -05:00

Fixed an out of memory handling issue with HTTP pipelines.

This commit is contained in:
Dan Fandrich 2007-05-02 19:13:56 +00:00
parent acc4868b78
commit 9f72db13c4
3 changed files with 36 additions and 30 deletions

View File

@ -121,9 +121,9 @@ struct Curl_one_easy {
#define CURL_MULTI_HANDLE 0x000bab1e
#define GOOD_MULTI_HANDLE(x) \
((x)&&(((struct Curl_multi *)x)->type == CURL_MULTI_HANDLE))
((x)&&(((struct Curl_multi *)(x))->type == CURL_MULTI_HANDLE))
#define GOOD_EASY_HANDLE(x) \
(((struct SessionHandle *)x)->magic == CURLEASY_MAGIC_NUMBER)
(((struct SessionHandle *)(x))->magic == CURLEASY_MAGIC_NUMBER)
/* This is the struct known as CURLM on the outside */
struct Curl_multi {
@ -180,7 +180,7 @@ static void add_closure(struct Curl_multi *multi,
static int update_timer(struct Curl_multi *multi);
#ifdef CURLDEBUG
static const char *statename[]={
static const char * const statename[]={
"INIT",
"CONNECT",
"WAITRESOLVE",
@ -896,29 +896,30 @@ static CURLMcode multi_runsingle(struct Curl_multi *multi,
if(CURLE_OK == easy->result) {
/* Add this handle to the send pipeline */
Curl_addHandleToPipeline(easy->easy_handle,
easy->easy_conn->send_pipe);
easy->result = Curl_addHandleToPipeline(easy->easy_handle,
easy->easy_conn->send_pipe);
if(CURLE_OK == easy->result) {
if(async)
/* We're now waiting for an asynchronous name lookup */
multistate(easy, CURLM_STATE_WAITRESOLVE);
else {
/* after the connect has been sent off, go WAITCONNECT unless the
protocol connect is already done and we can go directly to
WAITDO! */
result = CURLM_CALL_MULTI_PERFORM;
if(async)
/* We're now waiting for an asynchronous name lookup */
multistate(easy, CURLM_STATE_WAITRESOLVE);
else {
/* after the connect has been sent off, go WAITCONNECT unless the
protocol connect is already done and we can go directly to
WAITDO! */
result = CURLM_CALL_MULTI_PERFORM;
if(protocol_connect)
multistate(easy, CURLM_STATE_WAITDO);
else {
if(protocol_connect)
multistate(easy, CURLM_STATE_WAITDO);
else {
#ifndef CURL_DISABLE_HTTP
if (easy->easy_conn->bits.tunnel_connecting)
multistate(easy, CURLM_STATE_WAITPROXYCONNECT);
else
if (easy->easy_conn->bits.tunnel_connecting)
multistate(easy, CURLM_STATE_WAITPROXYCONNECT);
else
#endif
multistate(easy, CURLM_STATE_WAITCONNECT);
}
}
multistate(easy, CURLM_STATE_WAITCONNECT);
}
}
}
}
break;
@ -1153,8 +1154,8 @@ static CURLMcode multi_runsingle(struct Curl_multi *multi,
Curl_removeHandleFromPipeline(easy->easy_handle,
easy->easy_conn->send_pipe);
/* Add ourselves to the recv pipeline */
Curl_addHandleToPipeline(easy->easy_handle,
easy->easy_conn->recv_pipe);
easy->result = Curl_addHandleToPipeline(easy->easy_handle,
easy->easy_conn->recv_pipe);
multistate(easy, CURLM_STATE_WAITPERFORM);
result = CURLM_CALL_MULTI_PERFORM;

View File

@ -1925,8 +1925,8 @@ static bool IsPipeliningEnabled(struct SessionHandle *handle)
return FALSE;
}
void Curl_addHandleToPipeline(struct SessionHandle *data,
struct curl_llist *pipe)
CURLcode Curl_addHandleToPipeline(struct SessionHandle *data,
struct curl_llist *pipe)
{
#ifdef CURLDEBUG
if(!IsPipeliningPossible(data)) {
@ -1935,7 +1935,9 @@ void Curl_addHandleToPipeline(struct SessionHandle *data,
infof(data, "PIPE when no PIPE supposed!\n");
}
#endif
Curl_llist_insert_next(pipe, pipe->tail, data);
if (!Curl_llist_insert_next(pipe, pipe->tail, data))
return CURLE_OUT_OF_MEMORY;
return CURLE_OK;
}
@ -1995,6 +1997,9 @@ static void signalPipeClose(struct curl_llist *pipe)
{
struct curl_llist_element *curr;
if (!pipe)
return;
curr = pipe->head;
while (curr) {
struct curl_llist_element *next = curr->next;

View File

@ -62,8 +62,8 @@ int Curl_doing_getsock(struct connectdata *conn,
curl_socket_t *socks,
int numsocks);
void Curl_addHandleToPipeline(struct SessionHandle *handle,
struct curl_llist *pipe);
CURLcode Curl_addHandleToPipeline(struct SessionHandle *handle,
struct curl_llist *pipe);
int Curl_removeHandleFromPipeline(struct SessionHandle *handle,
struct curl_llist *pipe);
bool Curl_isHandleAtHead(struct SessionHandle *handle,