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libipc-old
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server is completely done, client in the way

more_to_read
lapupe 2016-09-28 19:33:11 +02:00
parent b311fab73e
commit fa9ffc5e0d
1 changed files with 40 additions and 48 deletions
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88
remote/tcpdserver.c
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@ -80,6 +80,7 @@ void * service_thread(void * c_data) {
char *service;
int version;
int clientSock = cda->sfd;
int nbMessages = 0;
if (read_message(clientSock, buffer) == -1) {
perror("read_message()");
@ -94,7 +95,7 @@ void * service_thread(void * c_data) {
*/
//path service
char * servicePath = malloc (strlen(TMPDIR) + strlen(service) + 1);
char servicePath[PATH_MAX];
memset (servicePath, 0, strlen(TMPDIR) + strlen(service) + 1);
if (servicePath == NULL) {
@ -104,25 +105,23 @@ void * service_thread(void * c_data) {
strcat(servicePath, service);
//pid index version
char * piv = (char*) malloc(PATH_MAX);
char * piv = malloc(PATH_MAX);
memset(piv , 0, PATH_MAX);
if (piv == NULL) {
perror("malloc()");
}
makePivMessage(&piv, getpid(), cda->index, version);
printf("piv : %s\n",piv );
//write pid index version in T/I/S of service
int ret = file_write(servicePath, piv, strlen(piv));
if(ret == 0) {
perror("file_write()");
free(servicePath);
free(piv);
return NULL;
}
free(piv);
// gets the service path, such as /tmp/ipc/pid-index-version-in/out
char *pathname[2];
char * pathname[2];
pathname[0] = (char*) malloc(PATH_MAX);
memset(pathname[0], 0, PATH_MAX);
if (pathname[0] == NULL) {
@ -154,17 +153,16 @@ void * service_thread(void * c_data) {
return NULL;
}
//utilisation du select() pour surveiller la socket du client et fichier in
fd_set rdfs;
int max = clientSock > fdin ? clientSock : fdin;
printf("Waitting for new messages :\n" );
printf("Waitting for new messages...\n" );
while(1) {
FD_ZERO(&rdfs);
/* add STDIN_FILENO */
FD_SET(STDIN_FILENO, &rdfs);
//add client's socket
FD_SET(clientSock, &rdfs);
@ -177,48 +175,42 @@ void * service_thread(void * c_data) {
exit(errno);
}
/* something from standard input : i.e keyboard */
if(FD_ISSET(STDIN_FILENO, &rdfs))
{
/* stop process when type on keyboard */
printf("thread %d shutdown\n", cda->index );
break;
}else /*if (FD_ISSET(fdin, &rdfs))*/{
if (FD_ISSET(clientSock, &rdfs)) {
int n = 0;
n = read_message(clientSock, buffer);
if(n > 0) {
if(file_write(pathname[1], buffer, strlen(buffer)) < 0) {
perror("file_write");
}
printf("ok\n");
}
if (FD_ISSET(fdin, &rdfs)){
if(read(fdin, &buffer, BUF_SIZE) < 0) {
perror("read()");
}
printf("message from file in : %s\n", buffer );
nbMessages--;
} else if (FD_ISSET(clientSock, &rdfs)) {
int n = read_message(clientSock, buffer);
if(n > 0) {
printf("message (%d bytes) : %s\n", n, buffer);
}
if (FD_ISSET(fdin, &rdfs)) {
if(read(fdin, &buffer, BUF_SIZE) < 0) {
perror("read()");
if(file_write(pathname[1], buffer, strlen(buffer)) < 0) {
perror("file_write");
}
printf("message from file in : %s\n", buffer );
nbMessages++;
} else if (n == 0 && nbMessages == 0){
//message end to server
if(file_write(pathname[1], "e", 0) < 0) {
perror("file_write");
}
//free
free(pathname[0]);
free(pathname[1]);
//close the files descriptors
close(fdin);
close(clientSock);
printf("------thread %d shutdown----------\n\n", cda->index );
break;
}
}
memset (buffer, 0, BUF_SIZE);
}
//free
free(servicePath);
free(piv);
free(service);
free(pathname[0]);
free(pathname[1]);
//close the files descriptors
close(fdin);
close(clientSock);
return NULL;
}
@ -353,7 +345,7 @@ int main(int argc, char * argv[], char **env) {
/* add STDIN_FILENO */
FD_SET(STDIN_FILENO, &rdfs);
//add client's socket
//add listener's socket
FD_SET(sock, &rdfs);
if(select(max + 1, &rdfs, NULL, NULL, NULL) == -1)
@ -394,7 +386,7 @@ int main(int argc, char * argv[], char **env) {
endConnection(sock);
exit(errno);
} else {
printf("Creation of listen thread %d\n", actual);
printf("\n----------Creation of listen thread %d ------------\n", actual);
}
max = tab_client[actual].sfd > max ? tab_client[actual].sfd : max;