HTTP "hello, world!"

src/test/CMakeLists.txt

@@ -62,6 +62,14 @@ target_link_libraries(test_cas
 	vitastor_client
 )
 
+# http_hello
+add_executable(http_hello
+	http_hello.cpp
+)
+target_link_libraries(http_hello
+	vitastor_client
+)
+
 # test_crc32
 add_executable(test_crc32
 	test_crc32.cpp

src/test/http_hello.cpp

@@ -0,0 +1,61 @@
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netinet/tcp.h>
+#include <arpa/inet.h>
+#include <string.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <stdlib.h>
+
+#include <stdexcept>
+
+#include "http_client.h"
+#include "ringloop.h"
+#include "epoll_manager.h"
+#include "addr_util.h"
+
+int main(int narg, char *args[])
+{
+    ring_consumer_t looper;
+    ring_loop_t *ringloop = new ring_loop_t(RINGLOOP_DEFAULT_SIZE);
+    epoll_manager_t *epmgr = new epoll_manager_t(ringloop);
+    // Accept new connections
+    int listen_fd = create_and_bind_socket("0.0.0.0", 8085, 128, NULL);
+    fcntl(listen_fd, F_SETFL, fcntl(listen_fd, F_GETFL, 0) | O_NONBLOCK);
+    std::string error;
+    auto http_ctx = http_context_init(epmgr->tfd, "", "", "", false, error);
+    epmgr->set_fd_handler(listen_fd, false, [http_ctx](int listen_fd, int events)
+    {
+        sockaddr_storage addr;
+        socklen_t peer_addr_size = sizeof(addr);
+        int peer_fd;
+        while ((peer_fd = accept(listen_fd, (sockaddr*)&addr, &peer_addr_size)) >= 0)
+        {
+            assert(peer_fd != 0);
+            fcntl(peer_fd, F_SETFL, fcntl(peer_fd, F_GETFL, 0) | O_NONBLOCK);
+            int one = 1;
+            setsockopt(peer_fd, SOL_TCP, TCP_NODELAY, &one, sizeof(one));
+            auto co = http_init(http_ctx);
+            http_serve(co, peer_fd, (http_options_t){}, [co](http_message_t *msg)
+            {
+                if (msg->eof)
+                {
+                    http_destroy(co);
+                    return;
+                }
+                http_reply(co, "HTTP/1.1 200 OK\r\nConnection: keep-alive\r\nContent-Length: 13\r\n\r\nHello, world!");
+            });
+        }
+    });
+    while (true)
+    {
+        ringloop->loop();
+        ringloop->wait();
+    }
+    delete epmgr;
+    delete ringloop;
+    return 0;
+}