Added Expect header

src/http.cc

@@ -454,7 +454,7 @@ Endpoint::serve()
     if (!handler_)
         throw std::runtime_error("Must call setHandler() prior to serve()");
 
-    listener.init(24, Tcp::Options::InstallSignalHandler);
+    listener.init(1, Tcp::Options::InstallSignalHandler);
     listener.setHandler(handler_);
 
     if (listener.bind()) { 

src/http_defs.h

@@ -110,6 +110,11 @@ enum class Version {
     Http11 // HTTP/1.1
 };
 
+enum class Expectation {
+    Continue,
+    Ext
+};
+
 class CacheDirective {
 public:
     enum Directive { NoCache, NoStore, MaxAge, MaxStale, MinFresh,

src/http_header.cc

@@ -270,6 +270,22 @@ void
 Date::write(std::ostream& os) const {
 }
 
+void
+Expect::parseRaw(const char* str, size_t len) {
+    if (memcmp(str, "100-continue", len)) {
+        expectation_ = Expectation::Continue;
+    } else {
+        expectation_ = Expectation::Ext;
+    }
+}
+
+void
+Expect::write(std::ostream& os) const {
+    if (expectation_ == Expectation::Continue) {
+        os << "100-continue";
+    }
+}
+
 void
 Host::parse(const std::string& data) {
     auto pos = data.find(':');

src/http_header.h

@@ -262,6 +262,25 @@ private:
     FullDate fullDate_;
 };
 
+class Expect : public Header {
+public:
+    NAME("Expect")
+
+    Expect() { }
+
+    explicit Expect(Http::Expectation expectation) :
+        expectation_(expectation)
+    { }
+
+    void parseRaw(const char* str, size_t len);
+    void write(std::ostream& os) const;
+
+    Http::Expectation expectation() const { return expectation_; }
+
+private:
+    Expectation expectation_;
+};
+
 class Host : public Header {
 public:
     NAME("Host");

src/http_headers.cc

@@ -21,11 +21,13 @@ namespace {
 }
 
 RegisterHeader(Accept);
+RegisterHeader(Allow);
 RegisterHeader(CacheControl);
 RegisterHeader(ContentEncoding);
 RegisterHeader(ContentLength);
 RegisterHeader(ContentType);
 RegisterHeader(Date);
+RegisterHeader(Expect);
 RegisterHeader(Host);
 RegisterHeader(Server);
 RegisterHeader(UserAgent);