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-rw-r--r--src/rgw/rgw_fcgi.cc91
1 files changed, 91 insertions, 0 deletions
diff --git a/src/rgw/rgw_fcgi.cc b/src/rgw/rgw_fcgi.cc
new file mode 100644
index 00000000..a52ea509
--- /dev/null
+++ b/src/rgw/rgw_fcgi.cc
@@ -0,0 +1,91 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#include "rgw_fcgi.h"
+#include "acconfig.h"
+
+size_t RGWFCGX::write_data(const char* const buf, const size_t len)
+{
+ /* According to the documentation of FCGX_PutStr if there is no error
+ * (signalised by negative return value), then always ret == len. */
+ const auto ret = FCGX_PutStr(buf, len, fcgx->out);
+ if (ret < 0) {
+ throw rgw::io::Exception(-ret, std::system_category());
+ }
+ return ret;
+}
+
+size_t RGWFCGX::read_data(char* const buf, const size_t len)
+{
+ const auto ret = FCGX_GetStr(buf, len, fcgx->in);
+ if (ret < 0) {
+ throw rgw::io::Exception(-ret, std::system_category());
+ }
+ return ret;
+}
+
+void RGWFCGX::flush()
+{
+ txbuf.pubsync();
+ FCGX_FFlush(fcgx->out);
+}
+
+int RGWFCGX::init_env(CephContext* const cct)
+{
+ env.init(cct, (char **)fcgx->envp);
+ return 0;
+}
+
+size_t RGWFCGX::send_status(const int status, const char* const status_name)
+{
+ static constexpr size_t STATUS_BUF_SIZE = 128;
+
+ char statusbuf[STATUS_BUF_SIZE];
+ const auto statuslen = snprintf(statusbuf, sizeof(statusbuf),
+ "Status: %d %s\r\n", status, status_name);
+
+ return txbuf.sputn(statusbuf, statuslen);
+}
+
+size_t RGWFCGX::send_100_continue()
+{
+ const auto sent = send_status(100, "Continue");
+ flush();
+ return sent;
+}
+
+size_t RGWFCGX::send_header(const boost::string_ref& name,
+ const boost::string_ref& value)
+{
+ static constexpr char HEADER_SEP[] = ": ";
+ static constexpr char HEADER_END[] = "\r\n";
+
+ size_t sent = 0;
+
+ sent += txbuf.sputn(name.data(), name.length());
+ sent += txbuf.sputn(HEADER_SEP, sizeof(HEADER_SEP) - 1);
+ sent += txbuf.sputn(value.data(), value.length());
+ sent += txbuf.sputn(HEADER_END, sizeof(HEADER_END) - 1);
+
+ return sent;
+}
+
+size_t RGWFCGX::send_content_length(const uint64_t len)
+{
+ static constexpr size_t CONLEN_BUF_SIZE = 128;
+
+ char sizebuf[CONLEN_BUF_SIZE];
+ const auto sizelen = snprintf(sizebuf, sizeof(sizebuf),
+ "Content-Length: %" PRIu64 "\r\n", len);
+
+ return txbuf.sputn(sizebuf, sizelen);
+}
+
+size_t RGWFCGX::complete_header()
+{
+ static constexpr char HEADER_END[] = "\r\n";
+ const size_t sent = txbuf.sputn(HEADER_END, sizeof(HEADER_END) - 1);
+
+ flush();
+ return sent;
+}