X-Git-Url: https://vcs.fsf.org/?p=exim.git;a=blobdiff_plain;f=src%2Fsrc%2Fretry.c;h=364591bd09214a617794d557fde67d7471cb0dca;hp=0099b6e6ad00c343741655532fd86db53dafdf64;hb=4fab92fbc2b63bac2d89c1dae69fa1845cb640b7;hpb=7a28511635d0d5f385a7c389bc5ec95dfed95581 diff --git a/src/src/retry.c b/src/src/retry.c index 0099b6e6a..364591bd0 100644 --- a/src/src/retry.c +++ b/src/src/retry.c @@ -536,12 +536,12 @@ for (i = 0; i < 3; i++) { address_item *endaddr, *addr; address_item *last_first = NULL; - address_item **paddr = (i==0)? addr_succeed : - (i==1)? addr_failed : addr_defer; + address_item **paddr = i==0 ? addr_succeed : + i==1 ? addr_failed : addr_defer; address_item **saved_paddr = NULL; - DEBUG(D_retry) debug_printf("%s addresses:\n", (i == 0)? "Succeeded" : - (i == 1)? "Failed" : "Deferred"); + DEBUG(D_retry) debug_printf("%s addresses:\n", + i == 0 ? "Succeeded" : i == 1 ? "Failed" : "Deferred"); /* Loop for each address on the chain. For deferred addresses, the whole address times out unless one of its retry addresses has a retry rule that @@ -553,22 +553,22 @@ for (i = 0; i < 3; i++) retry items for any parent addresses - these are typically "delete" items, because the parent must have succeeded in order to generate the child. */ - while ((endaddr = *paddr) != NULL) + while ((endaddr = *paddr)) { BOOL timed_out = FALSE; retry_item *rti; - for (addr = endaddr; addr != NULL; addr = addr->parent) + for (addr = endaddr; addr; addr = addr->parent) { int update_count = 0; int timedout_count = 0; - DEBUG(D_retry) debug_printf("%s%s\n", addr->address, (addr->retries == NULL)? - ": no retry items" : ""); + DEBUG(D_retry) debug_printf(" %s%s\n", addr->address, + addr->retries ? "" : ": no retry items"); /* Loop for each retry item. */ - for (rti = addr->retries; rti != NULL; rti = rti->next) + for (rti = addr->retries; rti; rti = rti->next) { uschar *message; int message_length, message_space, failing_interval, next_try; @@ -582,10 +582,10 @@ for (i = 0; i < 3; i++) opening if no addresses have retry items - common when none have yet reached their retry next try time. */ - if (dbm_file == NULL) + if (!dbm_file) dbm_file = dbfn_open(US"retry", O_RDWR, &dbblock, TRUE); - if (dbm_file == NULL) + if (!dbm_file) { DEBUG(D_deliver|D_retry|D_hints_lookup) debug_printf("retry database not available for updating\n"); @@ -600,13 +600,13 @@ for (i = 0; i < 3; i++) but the address gets delivered to the second one. This optimization doesn't succeed in cleaning out all the dead entries, but it helps. */ - if (*addr_defer == NULL && (rti->flags & rf_message) != 0) + if (!*addr_defer && rti->flags & rf_message) rti->flags |= rf_delete; /* Handle the case of a request to delete the retry info for this destination. */ - if ((rti->flags & rf_delete) != 0) + if (rti->flags & rf_delete) { (void)dbfn_delete(dbm_file, rti->key); DEBUG(D_retry) @@ -626,21 +626,21 @@ for (i = 0; i < 3; i++) information is found, we can't generate a retry time, so there is no point updating the database. This retry item is timed out. */ - if ((retry = retry_find_config(rti->key + 2, - ((rti->flags & rf_host) != 0)? addr->domain : NULL, - rti->basic_errno, rti->more_errno)) == NULL) + if (!(retry = retry_find_config(rti->key + 2, + rti->flags & rf_host ? addr->domain : NULL, + rti->basic_errno, rti->more_errno))) { DEBUG(D_retry) debug_printf("No configured retry item for %s%s%s\n", rti->key, - ((rti->flags & rf_host) != 0)? US" or " : US"", - ((rti->flags & rf_host) != 0)? addr->domain : US""); + rti->flags & rf_host ? US" or " : US"", + rti->flags & rf_host ? addr->domain : US""); if (addr == endaddr) timedout_count++; continue; } DEBUG(D_retry) { - if ((rti->flags & rf_host) != 0) + if (rti->flags & rf_host) debug_printf("retry for %s (%s) = %s %d %d\n", rti->key, addr->domain, retry->pattern, retry->basic_errno, retry->more_errno); @@ -653,9 +653,11 @@ for (i = 0; i < 3; i++) records have a maximum data length, we enforce a limit. There isn't much point in keeping a huge message here, anyway. */ - message = (rti->basic_errno > 0)? US strerror(rti->basic_errno) : - (rti->message == NULL)? - US"unknown error" : US string_printing(rti->message); + message = rti->basic_errno > 0 + ? US strerror(rti->basic_errno) + : rti->message + ? US string_printing(rti->message) + : US"unknown error"; message_length = Ustrlen(message); if (message_length > 150) message_length = 150; @@ -663,11 +665,11 @@ for (i = 0; i < 3; i++) Ignore an old one if it is too old since it was last updated. */ retry_record = dbfn_read(dbm_file, rti->key); - if (retry_record != NULL && - now - retry_record->time_stamp > retry_data_expire) + if ( retry_record + && now - retry_record->time_stamp > retry_data_expire) retry_record = NULL; - if (retry_record == NULL) + if (!retry_record) { retry_record = store_get(sizeof(dbdata_retry) + message_length); message_space = message_length; @@ -691,7 +693,7 @@ for (i = 0; i < 3; i++) successful delivery will reset the first_failed time, and this can lead to a failing message being retried too often. */ - if ((rti->flags & rf_host) == 0 && message_age > failing_interval) + if (!(rti->flags & rf_host) && message_age > failing_interval) failing_interval = message_age; /* Search for the current retry rule. The cutoff time of the @@ -702,7 +704,7 @@ for (i = 0; i < 3; i++) always times out, but we can't compute a retry time. */ final_rule = NULL; - for (rule = retry->rules; rule != NULL; rule = rule->next) + for (rule = retry->rules; rule; rule = rule->next) { if (failing_interval <= rule->timeout) break; final_rule = rule; @@ -714,10 +716,8 @@ for (i = 0; i < 3; i++) flag is false (can be forced via fixdb from outside, but ensure it is consistent with the rules whenever we go through here). */ - if (rule != NULL) - { + if (rule) retry_record->expired = FALSE; - } /* Otherwise, set the retry timeout expired, and set the final rule as the one from which to compute the next retry time. Subsequent @@ -756,13 +756,14 @@ for (i = 0; i < 3; i++) this is a small bit of code, and it does no harm to leave it in place, just in case. */ - if (received_time <= retry_record->first_failed && - addr == endaddr && !retry_record->expired && rule != NULL) + if ( received_time <= retry_record->first_failed + && addr == endaddr + && !retry_record->expired + && rule) { retry_rule *last_rule; - for (last_rule = rule; - last_rule->next != NULL; - last_rule = last_rule->next); + for (last_rule = rule; last_rule->next; last_rule = last_rule->next) + ; if (now - received_time > last_rule->timeout) { DEBUG(D_retry) debug_printf("on queue longer than maximum retry\n"); @@ -778,9 +779,12 @@ for (i = 0; i < 3; i++) case set the next retry time to now, so that one delivery attempt happens for subsequent messages. */ - if (rule == NULL) next_try = now; else + if (!rule) + next_try = now; + else { - if (rule->rule == 'F') next_try = now + rule->p1; + if (rule->rule == 'F') + next_try = now + rule->p1; else /* rule = 'G' or 'H' */ { int last_predicted_gap = @@ -790,9 +794,7 @@ for (i = 0; i < 3; i++) last_predicted_gap : last_actual_gap; int next_gap = (lastgap * rule->p2)/1000; if (rule->rule == 'G') - { next_try = now + ((lastgap < rule->p1)? rule->p1 : next_gap); - } else /* The 'H' rule */ { next_try = now + rule->p1; @@ -853,7 +855,6 @@ for (i = 0; i < 3; i++) time was not reached (or because of hosts_max_try). */ if (update_count > 0 && update_count == timedout_count) - { if (!testflag(endaddr, af_retry_skipped)) { DEBUG(D_retry) debug_printf("timed out: all retries expired\n"); @@ -864,7 +865,6 @@ for (i = 0; i < 3; i++) DEBUG(D_retry) debug_printf("timed out but some hosts were skipped\n"); } - } } /* Loop for an address and its parents */ /* If this is a deferred address, and retry processing was requested by @@ -880,7 +880,7 @@ for (i = 0; i < 3; i++) if (i == 2) /* Handling defers */ { - if (endaddr->retries != NULL && timed_out) + if (endaddr->retries && timed_out) { if (last_first == endaddr) paddr = saved_paddr; addr = *paddr; @@ -928,7 +928,7 @@ for (i = 0; i < 3; i++) /* Close and unlock the database */ -if (dbm_file != NULL) dbfn_close(dbm_file); +if (dbm_file) dbfn_close(dbm_file); DEBUG(D_retry) debug_printf("end of retry processing\n"); }