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rework client using async api

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This commit is contained in:
Chunting Gu
2021-04-16 19:07:31 +08:00
parent 7f345b7a4e
commit f5210ba1a2
27 changed files with 855 additions and 522 deletions
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webcc/connection.cc
+14 -14
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@@ -32,7 +32,7 @@ void Connection::Start() {
}
void Connection::Close() {
LOG_INFO("Shutdown socket...");
LOG_INFO("Shutdown socket");
// Initiate graceful connection closure.
// Socket close VS. shutdown:
@@ -41,17 +41,17 @@ void Connection::Close() {
socket_.shutdown(tcp::socket::shutdown_both, ec);
if (ec) {
LOG_WARN("Socket shutdown error (%s).", ec.message().c_str());
LOG_WARN("Socket shutdown error (%s)", ec.message().c_str());
ec.clear();
// Don't return, try to close the socket anywhere.
}
LOG_INFO("Close socket...");
LOG_INFO("Close socket");
socket_.close(ec);
if (ec) {
LOG_ERRO("Socket close error (%s).", ec.message().c_str());
LOG_ERRO("Socket close error (%s)", ec.message().c_str());
}
}
@@ -92,13 +92,13 @@ void Connection::DoRead() {
void Connection::OnRead(boost::system::error_code ec, std::size_t length) {
if (ec) {
if (ec == boost::asio::error::eof) {
LOG_INFO("Socket read EOF (%s).", ec.message().c_str());
LOG_INFO("Socket read EOF (%s)", ec.message().c_str());
} else if (ec == boost::asio::error::operation_aborted) {
// The socket of this connection has been closed.
// This happens, e.g., when the server was stopped by a signal (Ctrl-C).
LOG_WARN("Socket operation aborted (%s).", ec.message().c_str());
LOG_WARN("Socket operation aborted (%s)", ec.message().c_str());
} else {
LOG_ERRO("Socket read error (%s).", ec.message().c_str());
LOG_ERRO("Socket read error (%s)", ec.message().c_str());
}
// Don't try to send any response back.
@@ -111,7 +111,7 @@ void Connection::OnRead(boost::system::error_code ec, std::size_t length) {
}
if (!request_parser_.Parse(buffer_.data(), length)) {
LOG_ERRO("Failed to parse HTTP request.");
LOG_ERRO("Failed to parse request");
// Send Bad Request (400) to the client and no Keep-Alive.
SendResponse(Status::kBadRequest, true);
// Close the socket connection.
@@ -125,7 +125,7 @@ void Connection::OnRead(boost::system::error_code ec, std::size_t length) {
return;
}
LOG_VERB("HTTP request:\n%s", request_->Dump().c_str());
LOG_VERB("Request:\n%s", request_->Dump().c_str());
// Enqueue this connection once the request has been read.
// Some worker thread will handle the request later.
@@ -133,7 +133,7 @@ void Connection::OnRead(boost::system::error_code ec, std::size_t length) {
}
void Connection::DoWrite() {
LOG_VERB("HTTP response:\n%s", response_->Dump().c_str());
LOG_VERB("Response:\n%s", response_->Dump().c_str());
// Firstly, write the headers.
boost::asio::async_write(socket_, response_->GetPayload(),
@@ -177,11 +177,11 @@ void Connection::OnWriteBody(boost::system::error_code ec, std::size_t length) {
}
void Connection::OnWriteOK() {
LOG_INFO("Response has been sent back.");
LOG_INFO("Response has been sent back");
if (request_->IsConnectionKeepAlive()) {
LOG_INFO("The client asked for a keep-alive connection.");
LOG_INFO("Continue to read the next request...");
LOG_INFO("The client asked for a keep-alive connection");
LOG_INFO("Continue to read the next request");
Start();
} else {
pool_->Close(shared_from_this());
@@ -189,7 +189,7 @@ void Connection::OnWriteOK() {
}
void Connection::OnWriteError(boost::system::error_code ec) {
LOG_ERRO("Socket write error (%s).", ec.message().c_str());
LOG_ERRO("Socket write error (%s)", ec.message().c_str());
if (ec != boost::asio::error::operation_aborted) {
pool_->Close(shared_from_this());