static int test_ncache_setup(void **state)
{
struct ncache_test_ctx *test_ctx;
assert_true(leak_check_setup());
test_ctx = talloc_zero(global_talloc_context, struct ncache_test_ctx);
assert_non_null(test_ctx);
test_dom_suite_setup(TESTS_PATH);
test_ctx->tctx = create_dom_test_ctx(test_ctx, TESTS_PATH, TEST_CONF_DB,
TEST_DOM_NAME, "ipa", NULL);
assert_non_null(test_ctx->tctx);
create_groups(test_ctx, test_ctx->tctx->dom);
create_users(test_ctx, test_ctx->tctx->dom);
check_leaks_push(test_ctx);
*state = (void *)test_ctx;
return 0;
}
int phase1(){
/*code extracted from beej guide*/
int status, sockfd = 0;
struct addrinfo hints;
struct addrinfo *res, *p; // will point to the results
const char *addr = "nunki.usc.edu";
char s[INET6_ADDRSTRLEN];
int new_fd = 0;
struct sockaddr_storage their_addr;
socklen_t sin_size;
struct sigaction sa;
int retVal;
char buf[256];
memset(&hints, 0, sizeof hints); // make sure the struct is empty
hints.ai_family = AF_UNSPEC; // don't care IPv4 or IPv6
hints.ai_socktype = SOCK_STREAM; // TCP stream sockets
hints.ai_flags = AI_PASSIVE; // fill in my IP for me
if ((status = getaddrinfo(addr, HCS_TCP_STATIC_PORT, &hints, &res)) != 0) {
fprintf(stderr, "getaddrinfo error: %s\n", gai_strerror(status));
exit(1);
}
/*code extracted from beej guide*/
p = res;
void *server_addr;
struct sockaddr_in *ipv4 = (struct sockaddr_in *)p->ai_addr;
server_addr = &(ipv4->sin_addr);
/*convert the IP to a string and print it:*/
inet_ntop(p->ai_family, server_addr, s, sizeof s);
printf("\nPhase 1: The Health Center Server has port number %s and IP address %s.\n", HCS_TCP_STATIC_PORT, s);
/*loop through all the results and bind to the first we can*/
for(p = res; p != NULL; p = p->ai_next) {
if ((sockfd = socket(p->ai_family, p->ai_socktype, p->ai_protocol)) == -1) {
perror("socket");
continue;
}
if (bind(sockfd, p->ai_addr, p->ai_addrlen) == -1) {
close(sockfd);
perror("bind");
continue;
}
break; /*if we get here, we must have connected successfully*/
}
if (p == NULL) {
/*looped off the end of the list with no successful bind*/
fprintf(stderr, "failed to bind socket\n");
exit(2);
}
freeaddrinfo(res); /*free the linked-list*/
/*load user.txt file*/
if((retVal = create_users()) < 0)
return retVal;
/*load availabilities.txt file*/
if((retVal = create_availabilities()) < 0)
return retVal;
if(listen(sockfd, BACKLOG) == -1){
printf("Failed to listen\n");
return -1;
}
/*code extracted from beej guide*/
sa.sa_handler = sigchld_handler; // reap all dead processes
sigemptyset(&sa.sa_mask);
sa.sa_flags = SA_RESTART;
if (sigaction(SIGCHLD, &sa, NULL) == -1) {
perror("sigaction");
exit(1);
}
/*code extracted from beej guide*/
while(1)
{
sin_size = sizeof their_addr;
new_fd = 0;
new_fd = accept(sockfd, (struct sockaddr *)&their_addr, &sin_size);
if (new_fd == -1)
{
/*perror("Healthcenterserver Error: accept");*/
continue;
}
inet_ntop(their_addr.ss_family, get_in_addr((struct sockaddr *)&their_addr), s, sizeof s);
int port = ntohs(((struct sockaddr_in *)&their_addr)->sin_port);
if (!fork()) // this is the child process
{
close(sockfd); // child doesn't need the listener
int number_of_bytes;
memset(buf, '0' ,sizeof(buf));
if ((number_of_bytes = recv(new_fd, buf, MAXBUFLEN-1, 0)) == -1)
{
perror("Healthcenterserver Error: when receiving bytes\n");
exit(1);
}
buf[number_of_bytes] = '\0';
struct users temp_patient;
retVal = check_authentication((char *)buf, &temp_patient);
printf("\nPhase 1: The Health Center Server has received request from a patient with username %s and password %s.\n", temp_patient.username, temp_patient.password);
if(retVal == 1){
if (send(new_fd, "success", 7, 0) == -1)
{
perror("Healthcenterserver Error: while sending\n");
exit(1);
}
printf("\nPhase 1: The Health Center Server sends the response success to patient with username %s.\n", temp_patient.username);
/*start of phase2 stage1*/
retVal = phase2(&new_fd, &port, s);
printf("\nPhase 2: The Health Center Server sends available time slots to patient with username %s.\n", temp_patient.username);
memset(buf, '\0' ,sizeof(buf));
if ((number_of_bytes = recv(new_fd, buf, MAXBUFLEN-1, 0)) == -1)
{
perror("Healthcenterserver Error: when receiving bytes\n");
exit(1);
}
buf[number_of_bytes] = '\0';
printf("\nPhase 2: The Health Center Server receives a request for appointment %c from patient with port number %d and username %s.\n", buf[10], port, temp_patient.username);
/*end of phase2 stage1*/
/*start of phase2 stage2*/
char sendBuf[256];
memset(sendBuf, '\0' ,sizeof(sendBuf));
retVal = check_availability(buf, sendBuf);
if(retVal == 1){
printf("\nPhase 2: The Health Center Server confirms the following appointment %c to patient with username %s.\n", buf[10], temp_patient.username);
if (send(new_fd, sendBuf, sizeof(sendBuf), 0) == -1)
{
perror("Healthcenterserver Error: while sending\n");
exit(1);
}
}
else{
printf("\nPhase 2: The Health Center Server rejects the following appointment %c to patient with username %s.\n", buf[10], temp_patient.username);
if (send(new_fd, "notavailable", 12, 0) == -1)
{
perror("Healthcenterserver Error: while sending\n");
exit(1);
}
}
memset(sendBuf, '\0' ,sizeof(sendBuf));
/*end of phase2 stage2*/
}
else{
if (send(new_fd, "failure", 7, 0) == -1)
{
perror("Healthcenterserver Error: while sending\n");
exit(1);
}
printf("\nPhase 1: The Health Center Server sends the response failure to patient with username %s.\n", temp_patient.username);
}
close(new_fd);
exit(0);
}
else
close(new_fd); /*parent doesn't need this*/
/*while(wait(NULL) > 0);*/
}
while(wait(NULL) > 0);
close(sockfd);
return 0;
}