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fix #7049: immediate restart of MHD when already running

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This commit is contained in:
Christian Grothoff 2021-10-20 16:01:11 +02:00
parent c75a3a1921
commit c13810ba2c
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GPG Key ID: 939E6BE1E29FC3CC
4 changed files with 94 additions and 46 deletions
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11
src/bank-lib/bank_api_credit.c
View File

@ -29,6 +29,13 @@
#include "taler_signatures.h"
/**
* How much longer than the application-specified timeout
* do we wait (giving the server a chance to respond)?
*/
#define GRACE_PERIOD_MS 1000
/**
* @brief A /history/incoming Handle
*/
@ -66,7 +73,7 @@ struct TALER_BANK_CreditHistoryHandle
* were set,
* #GNUNET_SYSERR if there was a protocol violation in @a history
*/
static int
static enum GNUNET_GenericReturnValue
parse_account_history (struct TALER_BANK_CreditHistoryHandle *hh,
const json_t *history)
{
@ -305,7 +312,7 @@ TALER_BANK_credit_history (struct GNUNET_CURL_Context *ctx,
GNUNET_break (CURLE_OK ==
curl_easy_setopt (eh,
CURLOPT_TIMEOUT_MS,
(long) tms));
(long) tms + GRACE_PERIOD_MS));
}
hh->job = GNUNET_CURL_job_add2 (ctx,
eh,

9
src/bank-lib/bank_api_debit.c
View File

@ -29,6 +29,13 @@
#include "taler_signatures.h"
/**
* How much longer than the application-specified timeout
* do we wait (giving the server a chance to respond)?
*/
#define GRACE_PERIOD_MS 1000
/**
* @brief A /history/outgoing Handle
*/
@ -307,7 +314,7 @@ TALER_BANK_debit_history (struct GNUNET_CURL_Context *ctx,
GNUNET_break (CURLE_OK ==
curl_easy_setopt (eh,
CURLOPT_TIMEOUT_MS,
(long) tms));
(long) tms + GRACE_PERIOD_MS));
}
hh->job = GNUNET_CURL_job_add2 (ctx,
eh,

114
src/bank-lib/fakebank.c
View File

@ -425,6 +425,11 @@ struct TALER_FAKEBANK_Handle
*/
bool in_shutdown;
/**
* Should we run MHD immediately again?
*/
bool mhd_again;
#if EPOLL_SUPPORT
/**
* Boxed @e mhd_fd.
@ -474,6 +479,7 @@ lp_trigger (struct LongPoller *lp,
lp);
MHD_resume_connection (lp->conn);
GNUNET_free (lp);
h->mhd_again = true;
if (NULL != h->mhd_task)
GNUNET_SCHEDULER_cancel (h->mhd_task);
h->mhd_task =
@ -508,12 +514,8 @@ lp_expiration_thread (void *cls)
{
GNUNET_assert (lp ==
GNUNET_CONTAINER_heap_remove_root (h->lp_heap));
GNUNET_assert (0 ==
pthread_mutex_lock (&h->big_lock));
lp_trigger (lp,
h);
GNUNET_assert (0 ==
pthread_mutex_unlock (&h->big_lock));
lp = GNUNET_CONTAINER_heap_peek (h->lp_heap);
}
if (NULL != lp)
@ -674,7 +676,7 @@ check_log (struct TALER_FAKEBANK_Handle *h)
}
int
enum GNUNET_GenericReturnValue
TALER_FAKEBANK_check_debit (struct TALER_FAKEBANK_Handle *h,
const struct TALER_Amount *want_amount,
const char *want_debit,
@ -722,7 +724,7 @@ TALER_FAKEBANK_check_debit (struct TALER_FAKEBANK_Handle *h,
}
int
enum GNUNET_GenericReturnValue
TALER_FAKEBANK_check_credit (struct TALER_FAKEBANK_Handle *h,
const struct TALER_Amount *want_amount,
const char *want_debit,
@ -866,36 +868,6 @@ post_transaction (struct TALER_FAKEBANK_Handle *h,
ca->in_tail,
old);
}
{
struct LongPoller *nxt;
for (struct LongPoller *lp = debit_acc->lp_head;
NULL != lp;
lp = nxt)
{
nxt = lp->next;
if (LP_DEBIT == lp->type)
{
GNUNET_assert (lp ==
GNUNET_CONTAINER_heap_remove_node (lp->hn));
lp_trigger (lp,
h);
}
}
for (struct LongPoller *lp = credit_acc->lp_head;
NULL != lp;
lp = nxt)
{
nxt = lp->next;
if (LP_CREDIT == lp->type)
{
GNUNET_assert (lp ==
GNUNET_CONTAINER_heap_remove_node (lp->hn));
lp_trigger (lp,
h);
}
}
}
GNUNET_assert (0 ==
pthread_mutex_unlock (&h->big_lock));
if ( (NULL != old) &&
@ -914,6 +886,54 @@ post_transaction (struct TALER_FAKEBANK_Handle *h,
}
/**
* Trigger long pollers that might have been waiting
* for @a t.
*
* @param h fakebank handle
* @param t transaction to notify on
*/
static void
notify_transaction (struct TALER_FAKEBANK_Handle *h,
struct Transaction *t)
{
struct Account *debit_acc = t->debit_account;
struct Account *credit_acc = t->credit_account;
struct LongPoller *nxt;
GNUNET_assert (0 ==
pthread_mutex_lock (&h->big_lock));
for (struct LongPoller *lp = debit_acc->lp_head;
NULL != lp;
lp = nxt)
{
nxt = lp->next;
if (LP_DEBIT == lp->type)
{
GNUNET_assert (lp ==
GNUNET_CONTAINER_heap_remove_node (lp->hn));
lp_trigger (lp,
h);
}
}
for (struct LongPoller *lp = credit_acc->lp_head;
NULL != lp;
lp = nxt)
{
nxt = lp->next;
if (LP_CREDIT == lp->type)
{
GNUNET_assert (lp ==
GNUNET_CONTAINER_heap_remove_node (lp->hn));
lp_trigger (lp,
h);
}
}
GNUNET_assert (0 ==
pthread_mutex_unlock (&h->big_lock));
}
/**
* Tell the fakebank to create another wire transfer *from* an exchange.
*
@ -1030,6 +1050,8 @@ make_transfer (
TALER_B2S (subject),
exchange_base_url);
*ret_row_id = t->row_id;
notify_transaction (h,
t);
return GNUNET_OK;
}
@ -1124,11 +1146,13 @@ make_admin_transfer (
TALER_amount2s (amount),
TALER_B2S (reserve_pub),
(unsigned long long) t->row_id);
notify_transaction (h,
t);
return GNUNET_OK;
}
int
enum GNUNET_GenericReturnValue
TALER_FAKEBANK_check_empty (struct TALER_FAKEBANK_Handle *h)
{
for (uint64_t i = 0; i<h->ram_limit; i++)
@ -1852,6 +1876,7 @@ handle_debit_history (struct TALER_FAKEBANK_Handle *h,
connection,
&ha)))
{
GNUNET_break_op (0);
return (GNUNET_SYSERR == ret) ? MHD_NO : MHD_YES;
}
if (&special_ptr == *con_cls)
@ -2056,13 +2081,15 @@ handle_credit_history (struct TALER_FAKEBANK_Handle *h,
enum GNUNET_GenericReturnValue ret;
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"Handling /history/incoming connection %p\n",
connection);
"Handling /history/incoming connection %p (%d)\n",
connection,
(*con_cls == &special_ptr));
if (GNUNET_OK !=
(ret = parse_history_common_args (h,
connection,
&ha)))
{
GNUNET_break_op (0);
return (GNUNET_SYSERR == ret) ? MHD_NO : MHD_YES;
}
if (&special_ptr == *con_cls)
@ -2107,6 +2134,8 @@ handle_credit_history (struct TALER_FAKEBANK_Handle *h,
if ( (NULL == t) ||
overflow)
{
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"No transactions available, suspending request\n");
GNUNET_free (credit_payto);
if (GNUNET_TIME_relative_is_zero (ha.lp_timeout) &&
(0 < ha.delta))
@ -2478,7 +2507,12 @@ run_mhd (void *cls)
struct TALER_FAKEBANK_Handle *h = cls;
h->mhd_task = NULL;
MHD_run (h->mhd_bank);
h->mhd_again = true;
while (h->mhd_again)
{
h->mhd_again = false;
MHD_run (h->mhd_bank);
}
schedule_httpd (h);
}

6
src/include/taler_fakebank_lib.h
View File

@ -87,7 +87,7 @@ TALER_FAKEBANK_start2 (uint16_t port,
* @param h bank instance
* @return #GNUNET_OK on success
*/
int
enum GNUNET_GenericReturnValue
TALER_FAKEBANK_check_empty (struct TALER_FAKEBANK_Handle *h);
@ -109,7 +109,7 @@ TALER_FAKEBANK_check_empty (struct TALER_FAKEBANK_Handle *h);
* @param[out] wtid set to the wire transfer identifier
* @return #GNUNET_OK on success
*/
int
enum GNUNET_GenericReturnValue
TALER_FAKEBANK_check_debit (struct TALER_FAKEBANK_Handle *h,
const struct TALER_Amount *want_amount,
const char *want_debit,
@ -133,7 +133,7 @@ TALER_FAKEBANK_check_debit (struct TALER_FAKEBANK_Handle *h,
* @param reserve_pub reserve public key expected in wire subject
* @return #GNUNET_OK on success
*/
int
enum GNUNET_GenericReturnValue
TALER_FAKEBANK_check_credit (struct TALER_FAKEBANK_Handle *h,
const struct TALER_Amount *want_amount,
const char *want_debit,