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ada-dmitry
2023-10-25 10:38:19 +03:00
parent 83b716f874
commit b74967a89e
7 changed files with 166 additions and 39 deletions
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TMP/Practice/lecture23.10/app_server
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TMP/Practice/lecture23.10/server.c
+21 -19
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@@ -10,47 +10,49 @@
#define SOCK_PATH "tpf_unix_sock.server"
int main(void){
int server_sock, rc;
socklen_t len;
int bytes_rec = 0;
struct sockaddr_un server_sockaddr, peer_sock;
char buf[256];
memset(&server_sockaddr, 0, sizeof(struct sockaddr_un));
int main(void)
{
int server_sock, rc;
socklen_t len;
int bytes_rec = 0;
struct sockaddr_un server_sockaddr, peer_sock;
char buf[256];
memset(&server_sockaddr, 0, sizeof(struct sockaddr_un));
memset(buf, 0, 256);
server_sock = socket(AF_UNIX, SOCK_DGRAM, 0);
if (server_sock == -1){
if (server_sock == -1)
{
perror("socket");
exit(1);
}
server_sockaddr.sun_family = AF_UNIX;
strcpy(server_sockaddr.sun_path, SOCK_PATH);
strcpy(server_sockaddr.sun_path, SOCK_PATH);
len = sizeof(server_sockaddr);
unlink(SOCK_PATH);
rc = bind(server_sock, (struct sockaddr *) &server_sockaddr, len);
if (rc == -1){
rc = bind(server_sock, (struct sockaddr *)&server_sockaddr, len);
if (rc == -1)
{
perror("bind");
close(server_sock);
exit(1);
}
printf("waiting to recvfrom...\n");
bytes_rec = recvfrom(server_sock, buf, 256, 0, (struct sockaddr *) &peer_sock, &len);
if (bytes_rec == -1){
bytes_rec = recvfrom(server_sock, buf, 256, 0, (struct sockaddr *)&peer_sock, &len);
if (bytes_rec == -1)
{
perror("recv");
close(server_sock);
exit(1);
}
else {
printf("DATA RECEIVED = %s\n", buf);
else
{
printf("DATA RECEIVED = %s\n", buf);
}
close(server_sock);
return 0;
}
TMP/Practice/lecture23.10/socket.c
+26 -20
View File
@@ -1,15 +1,16 @@
#include<sys/types.h>
#include<sys/socket.h>
#include<netinet/in.h>
#include<netdb.h>
#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 <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#define DATA "exit"
int main(int argc, char *argv[]){
int main(int argc, char *argv[])
{
int sock;
socklen_t length;
struct sockaddr_in server;
@@ -17,12 +18,13 @@ int main(int argc, char *argv[]){
char buf[1024];
int rval;
sock = socket(AF_INET, SOCK_STREAM, 0);
if(sock == -1){
if (sock == -1)
{
perror("opening stream socket");
exit(1);
}
server.sin_family = AF_INET;
server.sin_addr.s_addr = htoml(INADDR_ANY;
server.sin_addr.s_addr = htoml(INADDR_ANY);
if(argc == 2){
server.sin_port = htons(atoi(argv[1]));
}
@@ -41,23 +43,27 @@ int main(int argc, char *argv[]){
printf("socket port %d\n", ntohs(server.sin_port));
listen(sock, 5);
do{
if((msgsock = accept(sock,(struct sockaddr *) NULL, (socklen_t *) NULL)) == -1){
if ((msgsock = accept(sock, (struct sockaddr *)NULL, (socklen_t *)NULL)) == -1)
{
perror("accept");
}
else
do{
memset(buf,0,sizeof buf);
if((rval = read(msgsock, buf, 1024)) == -1)
do
{
memset(buf, 0, sizeof buf);
if ((rval = read(msgsock, buf, 1024)) == -1)
perror("reading stream message");
dprintf(1, "-[%d]\n", rval);
if(rval == 0){
if (rval == 0)
{
printf("connecting finished\n");
}
else{
dprintf(1,"[%s]\n", buf);
else
{
dprintf(1, "[%s]\n", buf);
}
}while((rval > 0) && (strcmp(buf,FIN)));
close(msgsock);
} while ((rval > 0) && (strcmp(buf, FIN)));
close(msgsock);
}while(strcmp(buf,FIN));
exit(0);