Working project

Debug/makefile

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+################################################################################
+# Automatically-generated file. Do not edit!
+################################################################################
+
+-include ../makefile.init
+
+RM := rm -rf
+
+# All of the sources participating in the build are defined here
+-include sources.mk
+-include src/subdir.mk
+-include subdir.mk
+-include objects.mk
+
+ifneq ($(MAKECMDGOALS),clean)
+ifneq ($(strip $(C_DEPS)),)
+-include $(C_DEPS)
+endif
+endif
+
+-include ../makefile.defs
+
+# Add inputs and outputs from these tool invocations to the build variables 
+
+# All Target
+all: ClientTCP
+
+# Tool invocations
+ClientTCP: $(OBJS) $(USER_OBJS)
+	@echo 'Building target: $@'
+	@echo 'Invoking: GCC C Linker'
+	gcc  -o "ClientTCP" $(OBJS) $(USER_OBJS) $(LIBS)
+	@echo 'Finished building target: $@'
+	@echo ' '
+
+# Other Targets
+clean:
+	-$(RM) $(EXECUTABLES)$(OBJS)$(C_DEPS) ClientTCP
+	-@echo ' '
+
+.PHONY: all clean dependents
+
+-include ../makefile.targets

Debug/objects.mk

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+################################################################################
+# Automatically-generated file. Do not edit!
+################################################################################
+
+USER_OBJS :=
+
+LIBS :=
+

Debug/sources.mk

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+################################################################################
+# Automatically-generated file. Do not edit!
+################################################################################
+
+OBJ_SRCS := 
+ASM_SRCS := 
+C_SRCS := 
+O_SRCS := 
+S_UPPER_SRCS := 
+EXECUTABLES := 
+OBJS := 
+C_DEPS := 
+
+# Every subdirectory with source files must be described here
+SUBDIRS := \
+src \
+

Debug/src/subdir.mk

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+################################################################################
+# Automatically-generated file. Do not edit!
+################################################################################
+
+# Add inputs and outputs from these tool invocations to the build variables 
+C_SRCS += \
+../src/ClientTCP.c 
+
+OBJS += \
+./src/ClientTCP.o 
+
+C_DEPS += \
+./src/ClientTCP.d 
+
+
+# Each subdirectory must supply rules for building sources it contributes
+src/%.o: ../src/%.c
+	@echo 'Building file: $<'
+	@echo 'Invoking: GCC C Compiler'
+	gcc -O0 -g3 -Wall -c -fmessage-length=0 -MMD -MP -MF"$(@:%.o=%.d)" -MT"$(@)" -o "$@" "$<"
+	@echo 'Finished building: $<'
+	@echo ' '
+
+

src/ClientTCP.c

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+/*
+ ============================================================================
+ Name        : ClientTCP.c
+ Author      : Agata Dul
+ Version     :
+ Copyright   : Your copyright notice
+ Description : Hello World in C, Ansi-style
+ ============================================================================
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <assert.h>
+
+
+int main(int argc, char** argv) {
+	system("clear");
+	if(argc != 3) {
+		printf("Invalid number of arguments, please declare IP address and port number/n");
+		exit(1);
+	}
+
+	int	master_socket;
+	struct sockaddr_in server_addr;
+	socklen_t server_addr_length;
+	struct hostent *server;
+	char *buffer_in;
+	char *buffer_out;
+
+	int buffer_size=256;
+
+
+
+
+	if((master_socket = socket(AF_INET, SOCK_STREAM, 0))<0){
+		perror("Unable to create socket");
+	}
+	else{
+		printf("Socket created, number: %d\n", master_socket);
+	}
+
+
+	if((server=gethostbyname(argv[1]))== NULL) {
+		printf("Invalid IP address, check again/n");
+		exit(1);
+	}
+	server_addr_length=sizeof(server_addr);
+
+	bzero((char *) &server_addr, server_addr_length);
+
+	bcopy((char *) server->h_addr, (char *) &server_addr.sin_addr.s_addr, server->h_length);
+
+	server_addr.sin_family = AF_INET;
+	server_addr.sin_port = htons(atoi(argv[2]));
+
+	if (connect(master_socket,(struct sockaddr *) &server_addr, server_addr_length) < 0) {
+		perror("Unable to connect");
+		exit(1);
+	}
+	else{
+		printf("Connected\n");
+	}
+
+	while(1) {
+
+		puts("NEW OPERATION");
+		printf("Enter the wanted operation (available: sum, dif, sortup, sortdown)\n ");
+		buffer_out = (char *) malloc(0);
+		fgets(buffer_out,buffer_size,stdin);
+		if((write(master_socket,buffer_out,buffer_size)) <= 0) {
+			perror("Unable to transmit data");
+			exit(1);
+		}
+		free(buffer_out);
+		buffer_in = (char *) malloc(4096);
+		if((read(master_socket,buffer_in,4096)) < 0) {
+			perror("Unable to receive result");
+			exit(1);
+		}
+
+		printf("The result of your operation is: %s\n END OF OPERATION\n\n",buffer_in);
+		free(buffer_in);
+
+
+
+	}
+
+	return 0;
+}
+