making basic server work with dependencies for uwebsockets added to cmake

server/CMakeLists.txt

@@ -4,6 +4,9 @@ set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
 project(HomechatServer)
 
+find_library(USOCKETS_LIBRARY uSockets.a PATHS /usr/local/lib REQUIRED)
+find_package(ZLIB REQUIRED)
+
 set(source_dir ${CMAKE_CURRENT_SOURCE_DIR}/src)
 file(GLOB source_files
     ${source_dir}/*.cpp
@@ -11,3 +14,5 @@ file(GLOB source_files
 add_executable(${PROJECT_NAME} ${source_files})
 
 target_include_directories(${PROJECT_NAME} PUBLIC ${source_dir}/include)
+target_link_libraries(${PROJECT_NAME} ${USOCKETS_LIBRARY})
+target_link_libraries(${PROJECT_NAME} ZLIB::ZLIB)

server/compile_commands.json

@@ -0,0 +1,7 @@
+[
+{
+  "directory": "/home/talksik/code/homechat/server/build",
+  "command": "/usr/bin/c++  -I/home/talksik/code/homechat/server/src/include -g -o CMakeFiles/HomechatServer.dir/src/Main.cpp.o -c /home/talksik/code/homechat/server/src/Main.cpp",
+  "file": "/home/talksik/code/homechat/server/src/Main.cpp"
+}
+]

server/src/Main.cpp

@@ -1,7 +1,73 @@
 #include <iostream>
+#include <uWebSockets/App.h>
 
 int main()
 {
-    std::cout << "Hello World!\n";
+    std::cout << "Welcome to the homechat server!\n";
+
+    /* ws->getUserData returns one of these */
+    struct PerSocketData
+    {
+        /* Fill with user data */
+    };
+
+    /* Keep in mind that uWS::SSLApp({options}) is the same as uWS::App() when compiled without SSL support.
+     * You may swap to using uWS:App() if you don't need SSL */
+    uWS::App({/* There are example certificates in uWebSockets.js repo */
+              .key_file_name = "misc/key.pem",
+              .cert_file_name = "misc/cert.pem",
+              .passphrase = "1234"})
+        .ws<PerSocketData>(
+            "/*", {/* Settings */
+                   .compression = uWS::CompressOptions(uWS::DEDICATED_COMPRESSOR_4KB | uWS::DEDICATED_DECOMPRESSOR),
+                   .maxPayloadLength = 100 * 1024 * 1024,
+                   .idleTimeout = 16,
+                   .maxBackpressure = 100 * 1024 * 1024,
+                   .closeOnBackpressureLimit = false,
+                   .resetIdleTimeoutOnSend = false,
+                   .sendPingsAutomatically = true,
+                   /* Handlers */
+                   .upgrade = nullptr,
+                   .open =
+                       [](auto * /*ws*/) {
+                           /* Open event here, you may access ws->getUserData() which points to a PerSocketData struct
+                            */
+                       },
+                   .message =
+                       [](auto *ws, std::string_view message, uWS::OpCode opCode) {
+                           /* This is the opposite of what you probably want; compress if message is LARGER than 16 kb
+                            * the reason we do the opposite here; compress if SMALLER than 16 kb is to allow for
+                            * benchmarking of large message sending without compression */
+                           ws->send(message, opCode, message.length() < 16 * 1024);
+                       },
+                   .dropped =
+                       [](auto * /*ws*/, std::string_view /*message*/, uWS::OpCode /*opCode*/) {
+                           /* A message was dropped due to set maxBackpressure and closeOnBackpressureLimit limit */
+                       },
+                   .drain =
+                       [](auto * /*ws*/) {
+                           /* Check ws->getBufferedAmount() here */
+                       },
+                   .ping =
+                       [](auto * /*ws*/, std::string_view) {
+                           /* Not implemented yet */
+                       },
+                   .pong =
+                       [](auto * /*ws*/, std::string_view) {
+                           /* Not implemented yet */
+                       },
+                   .close =
+                       [](auto * /*ws*/, int /*code*/, std::string_view /*message*/) {
+                           /* You may access ws->getUserData() here */
+                       }})
+        .listen(9001,
+                [](auto *listen_socket) {
+                    if (listen_socket)
+                    {
+                        std::cout << "Listening on port " << 9001 << std::endl;
+                    }
+                })
+        .run();
+
     return 0;
 }