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vine: validate link before sending message to manager #4249

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vine: validate link before sending message to manager #4249

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12 changes: 12 additions & 0 deletions taskvine/src/worker/vine_worker.c
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Original file line number Diff line number Diff line change
Expand Up @@ -270,6 +270,10 @@ void deliver_async_messages(struct link *l)

void send_async_message(struct link *l, const char *fmt, ...)
{
if (!l) {
return;
}

va_list va;
char *message = malloc(VINE_LINE_MAX);
va_start(va, fmt);
Expand Down Expand Up @@ -498,6 +502,10 @@ its size in bytes and transfer time in usec.

void vine_worker_send_cache_update(struct link *manager, const char *cachename, struct vine_cache_file *f)
{
if (!manager) {
return;
}

char *transfer_id = hash_table_remove(current_transfers, cachename);
if (!transfer_id) {
transfer_id = xxstrdup("X");
Expand All @@ -524,6 +532,10 @@ could not be loaded. Accompanied by a corresponding error message.

void vine_worker_send_cache_invalid(struct link *manager, const char *cachename, const char *message)
{
if (!manager) {
return;
}

int length = strlen(message);
char *transfer_id = hash_table_remove(current_transfers, cachename);
if (transfer_id) {
Expand Down