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Single code path for curl timer callbacks

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This commit is contained in:
SChernykh 2024-09-12 17:33:08 +02:00
parent bc2b3fa3ac
commit 38211932dc
1 changed files with 1 additions and 32 deletions

33
src/json_rpc_request.cpp
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@ -67,7 +67,6 @@ struct CurlContext
uv_loop_t* m_loop;
uv_timer_t m_timer;
uv_async_t m_async;
CURLM* m_multiHandle;
CURL* m_handle;
@ -88,7 +87,6 @@ CurlContext::CurlContext(const std::string& address, int port, const std::string
, m_closeCallback(close_cb)
, m_loop(loop)
, m_timer{}
, m_async{}
, m_multiHandle(nullptr)
, m_handle(nullptr)
, m_req(req)
@ -123,19 +121,10 @@ CurlContext::CurlContext(const std::string& address, int port, const std::string
}
m_timer.data = this;
err = uv_async_init(m_loop, &m_async, reinterpret_cast<uv_async_cb>(on_timeout));
if (err) {
LOGERR(1, "uv_async_init failed, error " << uv_err_name(err));
uv_close(reinterpret_cast<uv_handle_t*>(&m_timer), nullptr);
throw std::runtime_error("uv_async_init failed");
}
m_async.data = this;
m_multiHandle = curl_multi_init();
if (!m_multiHandle) {
static constexpr char msg[] = "curl_multi_init() failed";
LOGERR(1, msg);
uv_close(reinterpret_cast<uv_handle_t*>(&m_async), nullptr);
uv_close(reinterpret_cast<uv_handle_t*>(&m_timer), nullptr);
throw std::runtime_error(msg);
}
@ -161,7 +150,6 @@ CurlContext::CurlContext(const std::string& address, int port, const std::string
static constexpr char msg[] = "curl_easy_init() failed";
LOGERR(1, msg);
curl_multi_cleanup(m_multiHandle);
uv_close(reinterpret_cast<uv_handle_t*>(&m_async), nullptr);
uv_close(reinterpret_cast<uv_handle_t*>(&m_timer), nullptr);
throw std::runtime_error(msg);
}
@ -217,7 +205,6 @@ CurlContext::CurlContext(const std::string& address, int port, const std::string
LOGERR(1, "curl_multi_add_handle failed, error " << curl_multi_strerror(curl_err));
curl_easy_cleanup(m_handle);
curl_multi_cleanup(m_multiHandle);
uv_close(reinterpret_cast<uv_handle_t*>(&m_async), nullptr);
uv_close(reinterpret_cast<uv_handle_t*>(&m_timer), nullptr);
throw std::runtime_error("curl_multi_add_handle failed");
}
@ -333,20 +320,6 @@ int CurlContext::on_timer(CURLM* /*multi*/, long timeout_ms)
return 0;
}
if ((timeout_ms == 0) && !uv_is_closing(reinterpret_cast<uv_handle_t*>(&m_async))) {
// 0 ms timeout, but we can't just call on_timeout() here - we have to kick the UV loop
const int result = uv_async_send(&m_async);
if (result < 0) {
LOGERR(1, "uv_async_send failed with error " << uv_err_name(result));
// if async call didn't work, try to use the timer with 1 ms timeout
timeout_ms = 1;
}
else {
return 0;
}
}
const int result = uv_timer_start(&m_timer, reinterpret_cast<uv_timer_cb>(on_timeout), timeout_ms, 0);
if (result < 0) {
LOGERR(1, "uv_timer_start failed with error " << uv_err_name(result));
@ -456,7 +429,7 @@ void CurlContext::on_close(uv_handle_t* h)
CurlContext* ctx = reinterpret_cast<CurlContext*>(h->data);
h->data = nullptr;
if (ctx->m_timer.data || ctx->m_async.data) {
if (ctx->m_timer.data) {
return;
}
@ -471,10 +444,6 @@ void CurlContext::shutdown()
}
m_pollHandles.clear();
if (m_async.data && !uv_is_closing(reinterpret_cast<uv_handle_t*>(&m_async))) {
uv_close(reinterpret_cast<uv_handle_t*>(&m_async), on_close);
}
if (m_timer.data && !uv_is_closing(reinterpret_cast<uv_handle_t*>(&m_timer))) {
uv_close(reinterpret_cast<uv_handle_t*>(&m_timer), on_close);
}