Reduce delay in tcp socket communication

.gitignore

@@ -1,3 +1,4 @@
 _*/
 cmake-build-debug/
-.idea/
+.idea/
+.vscode/

CMakeLists.txt

@@ -7,7 +7,7 @@ SET(CMAKE_CXX_STANDARD 20)
 SET(CMAKE_CXX_EXTENSIONS OFF)   # For increased portability
 SET(CMAKE_POSITION_INDEPENDENT_CODE ON)
 
-SET(INTERNAL_CLIENT_VERSION 1.1.2)
+SET(INTERNAL_CLIENT_VERSION 1.1.3)
 
 OPTION(BRINGAUTO_SAMPLES OFF)
 OPTION(BRINGAUTO_TESTS "Enable tests" OFF)

README.md

@@ -80,11 +80,15 @@ $ cpack
 ```
 
 ## Include library
-After the library is installed, it can be included to a project by using the following lines in CMakeLists.txt
+After the library is installed, it can be included in a project by using the following lines in CMakeLists.txt. ([Fleet protocol](https://github.com/bringauto/fleet-protocol) headers are also required)
 ```cmake
-FIND_PACKAGE(internal-client REQUIRED)
-TARGET_LINK_LIBRARIES(<target> PUBLIC internal_client_library-shared)
+FIND_PACKAGE(internal-client-shared REQUIRED)
+FIND_PACKAGE(fleet-protocol-interface REQUIRED)
+TARGET_LINK_LIBRARIES(<target>
+        PUBLIC
+        internal-client-shared::internal-client-shared
+        fleet-protocol-interface::internal-client-interface)
 ```
 
-And then including header file `internal_client.h` to the source code.
+And then include the header file `internal_client.h` to the source code.
 

source/Context.cpp

@@ -8,6 +8,7 @@
 #include <sys/socket.h>
 #include <iostream>
 #include <netinet/in.h>
+#include <netinet/tcp.h>
 #include <arpa/inet.h>
 #include <unistd.h>
 
@@ -17,6 +18,12 @@ int Context::createConnection(const char *ipv4_address, unsigned int port) {
 		return NOT_OK; // Socket creation error
 	}
 
+	int flag = 1;
+	// Set TCP_NODELAY to disable Nagle's algorithm
+	if (setsockopt(socket_, IPPROTO_TCP, TCP_NODELAY, (char8_t *)&flag, sizeof(int)) < 0) {
+		return NOT_OK; // Failed to set TCP_NODELAY
+	}
+
 	serverAddress_.sin_family = AF_INET;
 	serverAddress_.sin_port = htons(port);
 
@@ -34,6 +41,13 @@ int Context::reconnect() {
 	if ((socket_ = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
 		return NOT_OK; // Socket creation error
 	}
+
+	int flag = 1;
+	// Set TCP_NODELAY to disable Nagle's algorithm
+	if (setsockopt(socket_, IPPROTO_TCP, TCP_NODELAY, (char8_t *)&flag, sizeof(int)) < 0) {
+		return NOT_OK; // Failed to set TCP_NODELAY
+	}
+
 	if (connect(socket_, (struct sockaddr*)&serverAddress_, sizeof(serverAddress_)) < 0) {
 		return NOT_OK; // Connection error
 	}
@@ -87,8 +101,3 @@ void Context::saveCommand(const std::string &command) {
 Context::~Context() {
 	close(socket_);
 }
-
-
-
-
-