Advanced TCP/IP Socket Programming in C/C++ ( Posix ) from Udemy

Welcome to this Course on TCP/IP Socket Programming. Unlike other Courses, this is Advanced Course on Socket Programming. This course assumes that you are already familiar with Socket Programming basics and now want to take it to the next level. This course is about how TCP/IP Socket Programming is deployed in the industry to solve complex networking problems.

We will go beyond simple implementation of client/servers programs present all over the internet ( Advanced Course )

Course objective: Learn how to implement a typical complex Socket based Programs, closely tied to thread management

In this course, we will be going to build the Complete TcpServer Program in which we will cover :

How to manage Multiple Clients through Multiplexing
Notifying events to the application
1. Client new connection
2. Client disconnection
3. Client msg recvd
TCP Message Demarcation
1. Fixed Message Size Demarcation
2. Variable Message Size Demarcation
Integrate CLI interface with the Project
Gracefully Shutting down TCP Server
Handling Concurrency using locks
Implementing connect() with retries
< Advanced features to implement >
Creating Multi-Threaded Clients
Forcefully disconnecting the client
Detecting connection live-ness using Keep-Alive msgs
Maintaining statistics per client connection
Client Migration from Multiplexed to Multi-Threaded ( Or Vice Versa )
Building Socket Programming C++ Library over Posix

Pre-requisites :

1. Basic knowledge of TCP/IP Socket Programming through C/C++

2. C/C++ programming ( Intermediate Level )

3. Multi-Threading Basic Concepts ( creating a thread, Cancelling a thread, Producer/Consumer Pattern, Binary and Zero Semaphores )

4. Zeal to learn, explore and do research

5. Linux-based Course, should be done on Linux/MAC-OS only. No Windows Pls.

6. You should have a GitHub account.

This Course is not a :

1. Teaching basic Socket Programming and fundamentals

2. C/C++ programming language tutorial

3. Data Structure or Algorithm Course

4. Multithreading Tutorial

* We don't use any third-party library. Everything is built up from scratch.

* This Course is protected by a full refund policy within 30 days of purchase

* The Emphasis of this course is on Logistics & Concepts, rather than Programming Language. You should be able to do this Course in a programming language of your choice - Java/Python etc.

What's inside

Learning objectives

Advanced tcp socket programming
Building circular byte buffers
Defining tcp message boundaries

Creating multi-threaded tcp clients
Develop tcp server socket library in c++

Advanced tcp socket programming
Building circular byte buffers
Defining tcp message boundaries
Creating multi-threaded tcp clients
Develop tcp server socket library in c++

Syllabus

What this Course is all about ?

Agenda and Pre-requisites

End Product of this Course

Code Access for this Course

Traffic lights

Read about what's good

what should give you pause

and possible dealbreakers

Goes beyond basic client/server implementations, focusing on industry-relevant deployment of TCP/IP socket programming for complex networking challenges

Teaches thread management alongside socket programming, which is essential for building robust and scalable network applications

Covers advanced features such as multi-threaded clients, connection liveness detection, and client migration, providing a comprehensive skill set

Requires familiarity with multi-threading concepts, including thread creation, cancellation, and synchronization, indicating an advanced level of instruction

Focuses on Linux/MAC-OS environments, so learners without access to these operating systems may face limitations in completing hands-on exercises

Builds everything from scratch without relying on third-party libraries, offering a deep understanding of the underlying mechanisms

Reviews summary

Advanced c/c++ socket programming

According to learners, this course provides a deep and practical dive into advanced TCP/IP socket programming in C/C++. Students praise its focus on building a complex TCP server from scratch, covering essential industry techniques like multiplexing, message demarcation, and thread management. Many found the code examples and hands-on approach to be particularly valuable. However, the course is definitely not for beginners and requires strong existing knowledge in C/C++, basic socket programming, and multi-threading concepts. Some reviewers noted that the course can be challenging, but ultimately highly rewarding for those with the necessary background.

Instructor demonstrates strong expertise in the field.

"The instructor clearly knows the subject matter inside and out."

"Expert level knowledge shared by the instructor."

"His experience in the industry really comes through in the explanations."

Demanding course for those seeking deep knowledge.

"It's challenging, but if you put in the work, the rewards in terms of knowledge are immense."

"Definitely requires focus and dedication, but the final project makes it worthwhile."

"Was hard at times, but I feel much more confident in advanced network programming now."

Hands-on coding is a significant strength.

"The provided code is crucial for understanding the concepts and building the project."

"Hands-on coding throughout the course is highly effective for learning."

"Working through the code demos and assignments solidified my understanding significantly."

Covers complex techniques like multiplexing and demarcation.

"Finally found a course that explains multiplexing (select) and message demarcation properly."

"Goes beyond basic client/server and dives into managing multiple connections and message boundaries."

"The detailed sections on concurrency and thread management within a server context were excellent."

Builds a complex TCP server from the ground up.

"Loved building the complete TcpServer program from scratch. It's very practical."

"The most useful part is implementing a realistic server with multiplexing and concurrency."

"It provides a great framework for building production-level network applications."

Strong background in C/C++, sockets, threads is needed.

"This course is not for beginners... You need to be already familiar with socket programming basics."

"You MUST have a solid background in C, C++ and especially Thread programming before taking this course."

"I should've brushed up on C++ and threading concepts more deeply before starting this. It assumes you know them well."

Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Advanced TCP/IP Socket Programming in C/C++ ( Posix ) with these activities:

Review Multi-Threading Concepts

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Reinforce your understanding of multi-threading concepts, including creating, cancelling, and synchronizing threads, as this course heavily relies on them.

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Review the concepts of threads, mutexes, and semaphores.
Practice writing simple multi-threaded programs in C/C++.
Familiarize yourself with producer/consumer patterns.

Brush up on TCP/IP Socket Programming Basics

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Revisit the fundamentals of TCP/IP socket programming in C/C++ to ensure a solid foundation for the advanced topics covered in this course.

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Review basic socket functions like socket(), bind(), listen(), accept(), connect(), send(), and recv().
Study client-server architecture and communication flow.
Write simple client-server programs to refresh your understanding.

Review 'Beej's Guide to Network Programming'

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Use this guide as a quick reference for socket programming concepts and functions.

View Beej's Guide to Network Programming: Using... on Amazon

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Read the sections related to TCP sockets and client-server communication.
Refer to the guide when you need a refresher on specific socket functions.

Four other activities

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Show all seven activities

Review 'UNIX Network Programming, Volume 1: The Sockets Networking API'

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Reference this book to gain a deeper understanding of the sockets API and networking protocols used in the course.

View Unix Network Programming: The Sockets... on Amazon

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Read the chapters related to TCP socket programming and advanced I/O multiplexing.
Study the examples provided in the book and try to implement them.
Use the book as a reference when working on the course projects.

Implement a Basic Thread Pool

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Practice implementing a thread pool to manage concurrent client connections, a key concept in the course.

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Design the thread pool architecture, including worker threads and a task queue.
Implement the thread pool using pthreads in C/C++.
Integrate the thread pool with a simple TCP server to handle client requests concurrently.
Test the thread pool with multiple concurrent clients.

Document Your Socket Programming Learning Journey

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Solidify your understanding by documenting your learning process, challenges, and solutions encountered during the course.

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Create a blog or online journal to record your progress.
Write about the concepts you learn, the code you write, and the problems you solve.
Share your documentation with other students and seek feedback.

Contribute to a Networking Library

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Deepen your understanding by contributing to an open-source networking library, applying the concepts learned in the course to real-world projects.

Show steps

Find an open-source networking library written in C/C++.
Study the library's code and documentation.
Identify a bug or a feature that you can contribute.
Submit a pull request with your changes.

Career center

Learners who complete Advanced TCP/IP Socket Programming in C/C++ ( Posix ) will develop knowledge and skills that may be useful to these careers:

Network Programmer

A network programmer develops software that enables communication between computers and other devices. This often involves working with protocols like TCP/IP, creating applications such as network utilities or services, and managing data flow across networks. This course on advanced TCP/IP socket programming in C/C++ is directly applicable, as it covers practical aspects of implementing complex socket-based programs, managing multiple clients, handling message demarcation, and dealing with concurrency. The course's focus on building a complete TCP server, along with its advanced features, is very relevant for a network programmer's role.

See salaries and explore the career path for Network Programmer

Systems Programmer

A systems programmer works on the core software that runs a computer system, such as operating systems, device drivers, and low-level utilities. A deep understanding of networking, concurrency, and inter-process communication is key to this role. This course provides a strong foundation for systems programming, especially with its emphasis on thread management, multiplexing, and building socket libraries from scratch. The knowledge gained from implementing features, such as forcefully disconnecting clients and detecting connection liveness using keep-alive messages, is directly transferable to systems programming tasks. Also helpful is the course’s focus on concepts of concurrency using locks.

See salaries and explore the career path for Systems Programmer

Backend Engineer

Backend engineers build and maintain the server-side logic of applications, handling data storage, retrieval, and processing. This often requires working with network communication and ensuring efficient handling of multiple client requests. This course, focused on advanced TCP/IP socket programming, greatly supports this role. The skills in managing multiple clients through multiplexing, implementing message demarcation, and handling concurrency, are all essential in designing robust backend services. The course's focus on building a TCP server from the ground up is directly relevant to backend responsibilities. The course’s discussion of graceful server shutdown will be useful.

See salaries and explore the career path for Backend Engineer

Embedded Systems Engineer

An embedded systems engineer develops software for devices that are not general-purpose computers. Many embedded devices use networking to communicate, and the work often involves low-level programming related to hardware interactions and communication protocols. This course's advanced TCP/IP socket programming and its use of C/C++ are highly beneficial to embedded systems engineers. The skills in managing multithreading, client connections, and message demarcation are necessary for building reliable communication among embedded devices. The course's practical implementation of a TCP server combined with its focus on concepts provide a helpful framework.

See salaries and explore the career path for Embedded Systems Engineer

Game Programmer

A game programmer develops the code that makes video games work. Many games today require networking for multiplayer functionality, which involves working with TCP/IP sockets to manage communication between clients and servers. This course, which covers advanced TCP/IP socket programming in C/C++, may be useful for game programmers needing to implement reliable network communication. The course's instruction in managing multiple clients, implementing message demarcation, and handling concurrency directly applies to creating multiplayer game experiences. The course may help those who are not familiar with low-level networking.

See salaries and explore the career path for Game Programmer

Cybersecurity Engineer

A cybersecurity engineer focuses on protecting computer systems and networks from threats. Knowing how network protocols like TCP/IP operate is important for identifying and mitigating vulnerabilities. This course, focused on advanced TCP/IP socket programming, provides practical knowledge of how network communications are established and maintained, useful in understanding potential attack vectors. The skills in handling client connections, message demarcation, and concurrency, as explored in this course, may be useful for cybersecurity engineers who analyze network traffic and develop security tools. This course can help a cybersecurity engineer understand networking better.

See salaries and explore the career path for Cybersecurity Engineer

Cloud Engineer

A cloud engineer develops, manages, and maintains cloud infrastructure and services. This often requires expertise in network protocols and handling distributed systems, where reliable communication is essential. This course, which teaches advanced TCP/IP socket programming, aids cloud engineers who must implement network solutions in the cloud. The knowledge of managing multiple clients through multiplexing, implementing message boundaries, and handling concurrency are helpful for developing scalable and efficient cloud services. It should be noted that many cloud services use other methods in addition to TCP/IP, but this course may be beneficial to some cloud engineers.

See salaries and explore the career path for Cloud Engineer

DevOps Engineer

A DevOps engineer is involved in the software development process, overseeing deployment and infrastructure management. Understanding how network communications work is essential for effective deployment strategies. This course, with its focus on advanced TCP/IP socket programming, may help a DevOps engineer to better understand the underlying networking concepts of the systems they manage. The course's methods for implementing server shutdown and managing concurrency can be useful in the management of server deployments. A course like this may increase the effectiveness of a DevOps engineer and is probably helpful for those who are not already familiar with these topics.

See salaries and explore the career path for DevOps Engineer

Mobile Application Developer

A mobile application developer creates applications for mobile devices. Many mobile apps communicate with backend servers, and sometimes this can be done through TCP/IP sockets. This course in advanced TCP/IP socket programming may be helpful for a mobile application developer who needs to work with network communication at a lower level. The course’s discussion of managing multiple clients, implementing message demarcation, and handling concurrency can be applicable to mobile apps that need to maintain a connection with a server. It may be useful to a mobile programmer who is dealing with problems in this area.

See salaries and explore the career path for Mobile Application Developer

Technical Support Engineer

A technical support engineer provides assistance to customers with technical issues, often related to software or networking. This course, which covers advanced TCP/IP socket programming, may help a tech support engineer to understand and troubleshoot network-related problems if those problems involve TCP/IP in particular. The lessons of managing client connections and understanding TCP server behavior can be useful for troubleshooting client-server issues. This is especially true for engineers who work with software that uses TCP/IP. It will probably be most helpful for those who are not already familiar with TCP/IP.

See salaries and explore the career path for Technical Support Engineer

Research Scientist

A research scientist conducts studies and experiments related to technology, including the development of new network protocols or systems. This course on advanced TCP/IP socket programming may be useful for a research scientist whose work involves networking. The course's content on multiplexing, message demarcation, and server implementation could be beneficial for understanding existing network systems or building new ones. The course’s in-depth look into thread management and locks may also be useful for this individual. This may be a beneficial course, especially for those focused on network or systems research.

See salaries and explore the career path for Research Scientist

Data Scientist

A data scientist analyzes large data sets to gain insights and create models, which may sometimes involve processing data from network sources. This course on advanced TCP/IP socket programming may be useful for a data scientist who needs to handle data that is transmitted via TCP/IP. The course's discussion on message demarcation and client management will help with data retrieval from network sources. Understanding the course’s focus on concurrency may be helpful when processing large datasets received from the network. This course may be beneficial for particular subfields of data science.

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Quality Assurance Engineer

A quality assurance engineer tests software to ensure it meets specific standards and requirements, including testing network-related features. This course in advanced TCP/IP socket programming may help a quality assurance engineer who tests software with network functionality. The detailed understanding of how client-server connections work can be useful for developing testing strategies. A QA engineer may benefit from this course, especially if they are testing applications that use TCP/IP communication, though the course is not primarily focused on this.

See salaries and explore the career path for Quality Assurance Engineer

Database Administrator

A database administrator manages and maintains database systems. While this course is not directly focused on database administration, its exploration of advanced TCP/IP socket programming may be helpful to a database administrator who works with systems that communicate via TCP/IP networks. Understanding network behavior is useful for diagnosing connectivity issues and ensuring efficient data transfer. The course’s lessons on server implementation may also be beneficial. This course is likely useful for this individual in particular circumstances.

See salaries and explore the career path for Database Administrator

IT Support Specialist

An IT support specialist provides technical assistance to users, often dealing with network-related problems. This course on advanced TCP/IP socket programming may be useful for some IT specialists who encounter networking issues, although the role is not exclusively about networking. This course's content on client connections, message demarcation, and server operations may be beneficial. Specific knowledge of how TCP/IP works may assist in troubleshooting network problems. It will probably help those who are unfamiliar with the details of TCP/IP.

See salaries and explore the career path for IT Support Specialist

Reading list

We've selected two books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Advanced TCP/IP Socket Programming in C/C++ ( Posix ).

UNIX Network Programming: The sockets networking API

Save

Comprehensive guide to socket networking in UNIX environments. It provides in-depth coverage of the sockets API and various networking protocols. It valuable reference for understanding the underlying mechanisms of TCP/IP socket programming. This book is commonly used as a textbook at academic institutions and by industry professionals.

Unix Network Programming: The Sockets Networking...

Hardcover

$$$$

Beej's Guide to Network Programming

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This guide provides a clear and concise introduction to network programming using sockets in C. It covers the basics of TCP and UDP, client-server models, and common networking functions. It is particularly useful for beginners who want to grasp the fundamentals of socket programming. is valuable as additional reading and a useful reference tool.

Beej's Guide to Network Programming: Using Internet...

Paperback

Advanced TCP/IP Socket Programming in C/C++ ( Posix )

What's inside

Learning objectives

Syllabus

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Reviews summary

Advanced c/c++ socket programming

Activities

Career center

Reading list

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