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http: Avoid crash when g_thread_http was never started

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g_thread_http can not be joined when it is not joinable. Avoid crashing
the node by adding the required check and add a test.
This commit is contained in:
MarcoFalke 2020-05-18 09:17:28 -04:00
parent fa12a37b27
commit faf45d1f1f
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GPG Key ID: CE2B75697E69A548
2 changed files with 11 additions and 3 deletions
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6
src/httpserver.cpp
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@ -421,7 +421,7 @@ bool UpdateHTTPServerLogging(bool enable) {
#endif
}
static std::thread threadHTTP;
static std::thread g_thread_http;
static std::vector<std::thread> g_thread_http_workers;
void StartHTTPServer()
@ -429,7 +429,7 @@ void StartHTTPServer()
LogPrint(BCLog::HTTP, "Starting HTTP server\n");
int rpcThreads = std::max((long)gArgs.GetArg("-rpcthreads", DEFAULT_HTTP_THREADS), 1L);
LogPrintf("HTTP: starting %d worker threads\n", rpcThreads);
threadHTTP = std::thread(ThreadHTTP, eventBase);
g_thread_http = std::thread(ThreadHTTP, eventBase);
for (int i = 0; i < rpcThreads; i++) {
g_thread_http_workers.emplace_back(HTTPWorkQueueRun, workQueue, i);
@ -467,7 +467,7 @@ void StopHTTPServer()
boundSockets.clear();
if (eventBase) {
LogPrint(BCLog::HTTP, "Waiting for HTTP event thread to exit\n");
threadHTTP.join();
if (g_thread_http.joinable()) g_thread_http.join();
}
if (eventHTTP) {
evhttp_free(eventHTTP);

8
test/functional/rpc_users.py
View File

@ -99,5 +99,13 @@ class HTTPBasicsTest(BitcoinTestFramework):
self.test_auth(self.nodes[1], self.rpcuser, self.rpcpassword)
self.log.info('Check that failure to write cookie file will abort the node gracefully')
self.stop_node(0)
cookie_file = os.path.join(get_datadir_path(self.options.tmpdir, 0), self.chain, '.cookie.tmp')
os.mkdir(cookie_file)
init_error = 'Error: Unable to start HTTP server. See debug log for details.'
self.nodes[0].assert_start_raises_init_error(expected_msg=init_error)
if __name__ == '__main__':
HTTPBasicsTest().main()