Erster Import

3 files changed, 144 insertions, 0 deletions

diff --git a/.clang-format b/.clang-format
new file mode 100644
index 0000000..f045884
--- /dev/null
+++ b/.clang-format
@@ -0,0 +1,45 @@
+---
+AccessModifierOffset: -4
+AlignConsecutiveAssignments: 'true'
+AlignConsecutiveDeclarations: 'true'
+AlignEscapedNewlines: Left
+AlignTrailingComments: 'true'
+AlwaysBreakAfterReturnType: TopLevelDefinitions
+BreakBeforeBraces: Stroustrup
+BreakConstructorInitializers: BeforeComma
+BreakInheritanceList: BeforeComma
+ColumnLimit: '0'
+CompactNamespaces: 'false'
+Cpp11BracedListStyle: 'false'
+FixNamespaceComments: 'true'
+IncludeBlocks: Regroup
+IncludeCategories:
+    - Regex: '^.*(precomp|pch|stdafx)'
+      Priority: -1
+    - Regex: '^<.*>'
+      Priority: 1
+    - Regex: '^".*"'
+      Priority: 2
+    - Regex: '.*'
+      Priority: 3
+IndentCaseLabels: 'false'
+IndentPPDirectives: AfterHash
+IndentWidth: '4'
+IndentWrappedFunctionNames: 'false'
+KeepEmptyLinesAtTheStartOfBlocks: 'false'
+PointerAlignment: Left
+SortIncludes: 'true'
+SpaceAfterCStyleCast: 'true'
+SpaceAfterTemplateKeyword: 'false'
+SpaceBeforeAssignmentOperators: 'true'
+SpaceBeforeParens: ControlStatements
+SpaceBeforeRangeBasedForLoopColon: 'false'
+SpaceInEmptyParentheses: 'false'
+SpacesInAngles: 'false'
+SpacesInCStyleCastParentheses: 'false'
+SpacesInConditionalStatement: 'true'
+SpacesInParentheses: 'false'
+Standard: Auto
+TabWidth: '4'
+UseTab: ForIndentation
+...
diff --git a/makefile b/makefile
new file mode 100644
index 0000000..9fee06a
--- /dev/null
+++ b/makefile
@@ -0,0 +1,4 @@
+all: server
+
+server: server.cpp
+        c++ -Wall -std=c++20 -pedantic -O2 -lfcgi -o $@ $<
diff --git a/server.cpp b/server.cpp
new file mode 100644
index 0000000..a454b68
--- /dev/null
+++ b/server.cpp
@@ -0,0 +1,95 @@
+// Standard C++
+#include <atomic>
+#include <csignal>
+#include <cstdlib>
+#include <iostream>
+
+// FastCGI
+#include <fcgiapp.h>
+
+using namespace std;
+
+namespace {
+static atomic_bool quit;
+static atomic_bool reload;
+
+static void
+handler(int signal)
+{
+        if ( signal == SIGINT || signal == SIGTERM ) {
+                quit = true;
+        }
+        else if ( signal == SIGHUP ) {
+                reload = true;
+        }
+}
+
+static void
+init_signal_handler()
+{
+        struct sigaction sa;
+        memset(&sa, 0, sizeof sa);
+        sa.sa_handler = handler;
+        sa.sa_flags   = 0;
+        sigemptyset(&sa.sa_mask);
+
+        sigaction(SIGINT, &sa, NULL);
+        sigaction(SIGTERM, &sa, NULL);
+        sigaction(SIGHUP, &sa, NULL);
+}
+
+static void
+load_configuration()
+{
+        cerr << "Load configuration ...\n";
+}
+
+static void
+handle_request(const FCGX_Request& request)
+{
+        FCGX_FPrintF(request.out, "Content-type: text/html\r\n\r\n");
+        FCGX_FPrintF(request.out, "<h1>Verbindung erfolgreich verarbeitet!</h1>");
+}
+} // namespace
+
+int
+main()
+{
+        FCGX_Init();
+
+        auto socket = FCGX_OpenSocket(":5000", 20);
+        if ( socket == -1 ) {
+                cerr << "Fehler beim Erstellen des Listen-Sockets...\n";
+                return EXIT_FAILURE;
+        }
+
+        FCGX_Request request;
+        if ( FCGX_InitRequest(&request, socket, FCGI_FAIL_ACCEPT_ON_INTR) != 0 ) {
+                cerr << "Fehler beim Initialisieren...\n";
+                return EXIT_FAILURE;
+        }
+
+        init_signal_handler();
+        load_configuration();
+
+        quit   = false;
+        reload = false;
+
+        cout << "Handle Requests...\n";
+
+        while ( !quit ) {
+                if ( reload ) {
+                        load_configuration();
+                        reload = false;
+                }
+
+                if ( FCGX_Accept_r(&request) < 0 ) {
+                        continue;
+                }
+
+                handle_request(request);
+
+                FCGX_Finish_r(&request);
+        }
+        cout << "shutdown...\n";
+}