CN Code.zip_fg_zip

#include <gtk/gtk.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <sys/types.h> #include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h> #include <unistd.h> #include <errno.h> #define BUFSIZE 1024 GtkWidget *g_txtBlck_userName; GtkWidget *g_txtBlck_password; GtkWidget *g_contactsList; GtkWidget *g_songsFlowBox; GtkWidget *g_entry_Username; GtkWidget *loginWindow; GtkWidget *mainWindow; GtkWidget *fileTextBlock; GtkWidget *textLabel; char userNameTxt[20]; int main(int argc, char *argv[]) { gtk_init(&argc, &argv); GtkBuilder *builder; builder = gtk_builder_new(); gtk_builder_add_from_file (builder, "glade/window_main.glade", NULL); loginWindow = GTK_WIDGET(gtk_builder_get_object(builder, "loginWindow")); gtk_builder_connect_signals(builder, NULL); g_txtBlck_userName = GTK_WIDGET(gtk_builder_get_object(builder, "usrTextblock")); g_txtBlck_password = GTK_WIDGET(gtk_builder_get_object(builder, "pswrdTextblock")); g_object_unref(builder); gtk_widget_show(loginWindow); gtk_main(); return 0; } void startSession() { /* Connection Establishment */ /* GUI CODE */ gtk_widget_hide(loginWindow); GtkBuilder *builder; builder = gtk_builder_new(); gtk_builder_add_from_file (builder, "glade/window_main.glade", NULL); mainWindow = GTK_WIDGET(gtk_builder_get_object(builder, "mainWindow")); g_contactsList = GTK_WIDGET(gtk_builder_get_object(builder, "contactsListBox")); g_songsFlowBox = GTK_WIDGET(gtk_builder_get_object(builder, "songsFlowBox")); g_entry_Username = GTK_WIDGET(gtk_builder_get_object(builder, "page3UserTxtBlck")); fileTextBlock = GTK_WIDGET(gtk_builder_get_object(builder, "fileTxtBlock")); textLabel = GTK_WIDGET(gtk_builder_get_object(builder, "textLabel")); const gchar *str_pswrd; const gchar *str_usrName; str_usrName = gtk_entry_get_text((GtkEntry *)g_txtBlck_userName); str_pswrd = gtk_entry_get_text((GtkEntry *)g_txtBlck_password); int i; for(i = 0; i < strlen(str_usrName); i++) { if(str_usrName[i] != ' ') { userNameTxt[i] = str_usrName[i]; } else { break; } } gtk_builder_connect_signals(builder, NULL); gtk_entry_set_text((GtkEntry *) g_entry_Username, userNameTxt); gtk_widget_show(mainWindow); } // called when window is closed void on_window_main_destroy() { gtk_main_quit(); } int isValid(char *one, char *two) { int i = 0; while(i < (strlen(two) - 1)) { if(one[i] != two[i]) { return 0; } i++; } return 1; } void connect_request(int *sockfd, struct sockaddr_in *server_addr) { if ((*sockfd = socket(AF_INET, SOCK_STREAM, 0)) == -1) { perror("Socket"); exit(1); } server_addr->sin_family = AF_INET; server_addr->sin_port = htons(4950); server_addr->sin_addr.s_addr = inet_addr("127.0.0.1"); memset(server_addr->sin_zero, '\0', sizeof server_addr->sin_zero); if(connect(*sockfd, (struct sockaddr *)server_addr, sizeof(struct sockaddr)) == -1) { perror("connect"); exit(1); } } void send_recv(int i, int sockfd) { char send_buf[BUFSIZE]; char recv_buf[BUFSIZE]; int nbyte_recvd; if (i == 0) { fgets(send_buf, BUFSIZE, stdin); if (strcmp(send_buf , "quit\n") == 0) { exit(0); } else send(sockfd, send_buf, strlen(send_buf), 0); } else { nbyte_recvd = recv(sockfd, recv_buf, BUFSIZE, 0); recv_buf[nbyte_recvd] = '\0'; fflush(stdout); } } void on_createAccount_clicked() { /* const gchar *str_pswrd; const gchar *str_usrName; str_usrName = gtk_entry_get_text((GtkEntry *)g_txtBlck_userName); str_pswrd = gtk_entry_get_text((GtkEntry *)g_txtBlck_password); char *check = strcat((char *)str_usrName, " "); check = strcat((char *)str_usrName, (char *)str_pswrd); check = strcat(check, "\0"); FILE *f = fopen("resources/Contacts.txt", "a"); fseek(f, 0, SEEK_END); if (f == NULL) { printf("Error opening file!\n"); exit(1); } fprintf(f, "%s\n", check); */ int sockfd, fdmax, i; struct sockaddr_in server_addr; fd_set master; fd_set read_fds; connect_request(&sockfd, &server_addr); FD_ZERO(&master); FD_ZERO(&read_fds); FD_SET(0, &master); FD_SET(sockfd, &master); fdmax = sockfd; int pid; pid = fork(); if(pid != 0) { while(1){ read_fds = master; if(select(fdmax+1, &read_fds, NULL, NULL, NULL) == -1){ perror("select"); exit(4); } for(i=0; i <= fdmax; i++ ) if(FD_ISSET(i, &read_fds)) send_recv(i, sockfd); } close(sockfd); } else { char send_buf[BUFSIZE]; int recv; int nbyte_recvd; send(sockfd, "create", strlen("create"), 0); const gchar *str_pswrd; const gchar *str_usrName; str_usrName = gtk_entry_get_text((GtkEntry *)g_txtBlck_userName); str_pswrd = gtk_entry_get_text((GtkEntry *)g_txtBlck_password); char *check = strcat((char *)str_usrName, " "); check = strcat((char *)str_usrName, (char *)str_pswrd); check = strcat(check, "\0"); send(sockfd, check, strlen(check), 0); close(sockfd); } } void on_loginButton_clicked() { const gchar *str_pswrd; const gchar *str_usrName; int sockfd, fdmax, i; struct sockaddr_in server_addr; fd_set master; fd_set read_fds; connect_request(&sockfd, &server_addr); FD_ZERO(&master); FD_ZERO(&read_fds); FD_SET(0, &master); FD_SET(sockfd, &master); fdmax = sockfd; int pid; pid = fork(); if(pid != 0) { while(1){ read_fds = master; if(select(fdmax+1, &read_fds, NULL, NULL, NULL) == -1){ perror("select"); exit(4); } for(i=0; i <= fdmax; i++ ) if(FD_ISSET(i, &read_fds)) send_recv(i, sockfd); } printf("client-quited\n"); close(sockfd); } else { str_usrName = gtk_entry_get_text((GtkEntry *)g_txtBlck_userName); str_pswrd = gtk_entry_get_text((GtkEntry *)g_txtBlck_password); /* FILE *f = fopen("resources/Contacts.txt", "w"); if (f == NULL) { printf("Error opening file!\n"); exit(1); } fprintf(f, "%s", str_usrName); fprintf(f, "%s\n", str_pswrd); */ char *check = strcat((char *)str_usrName, " "); check = strcat((char *)str_usrName, (char *)str_pswrd); check = strcat(check, "\0"); send(sockfd, check, strlen(check), 0); char recv_buf[1]; recv(sockfd, recv_buf, sizeof(recv_buf), 0); if(atoi(recv_buf)) { startSession(); } close(sockfd); } } void on_openButton_clicked() { if(gtk_entry_get_text((GtkEntry *)fileTextBlock) == "" || gtk_entry_get_text((GtkEntry *)fileTextBlock) == NULL) return; int sd; struct sockaddr_in servaddr; char sendline[4096], recvline[4096]; //Create a socket for the client //If sd<0 there was an error in the creation of the socket if ((sd = socket (AF_INET, SOCK_STREAM, 0)) <0) { perror("Problem in creating the socket"); exit(2); } //Creation of the socket memset(&servaddr, 0, sizeof(servaddr)); servaddr.sin_family = AF_INET; servaddr.sin_addr.s_addr= inet_addr("127.0.0.1"); servaddr.sin_port = htons(3000); //convert to big-endian order //Connection of the client to the socket if (connect(sd, (struct sockaddr *) &servaddr, sizeof(servaddr))<0) { perror("Problem in connecting to the server"); exit(3); } else printf("\nconnected to server now.\n"); /*file start*/ int n; char buf_recv[1000]; char *buf_send; char *filename; char file_buffer[10000]; FILE *fp; //code for receivind statement "Enter the file name" n = recv(sd, buf_recv, sizeof(buf_recv), 0); buf_recv[n]='\0'; printf("%s",buf_recv); buf_send = gtk_entry_get_text((GtkEntry *)fileTextBlock); send(sd,buf_send,strlen(buf_send),0); printf("\n\n receiving the string \"File found or not\"\n\n"); n = recv(sd, buf_recv, sizeof(buf_recv), 0); buf_recv[n]='\0'; printf("%s",buf_recv); fflush(stdout); printf("\n\n Receiving the file content \n\n"); n=recv(sd, file_buffer, sizeof(file_buffer), 0); file_buffer[n]='\0'; fflush(stdout);