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usock: msize = 0 on deconnection

This commit is contained in:
Philippe PITTOLI 2018-10-12 18:06:16 +02:00
parent 77120450ff
commit cf59401ef7
5 changed files with 69 additions and 14 deletions

View File

@ -152,7 +152,7 @@ int ipc_message_format (struct ipc_message *m, char type, const char *payload, s
}
m->type = type;
m->length = (short) length;
m->length = (unsigned int) length;
if (payload != NULL) {
if (m->payload != NULL) {

View File

@ -53,8 +53,11 @@ int usock_recv (const int fd, char **buf, ssize_t *len)
do {
ret = recv (fd, *buf, *len, 0);
if (msize == 0) {
memcpy (&msize, *buf + 1, sizeof msize);
if (ret != 0) {
memcpy (&msize, *buf + 1, sizeof msize);
}
}
printf("msize = %u\n", msize);
assert (msize < IPC_MAX_MESSAGE_SIZE);
msize_read += ret - IPC_HEADER_SIZE;

View File

@ -11,6 +11,7 @@
#define SERVICE_NAME "pongd"
#define MAX_MESSAGE_SIZE 20000
#define MESSAGE "salut ça va ?"
void interactive (char * service_name, char *env[])
{
@ -117,6 +118,49 @@ void interactive (char * service_name, char *env[])
ipc_message_empty (&m);
}
void non_interactive (char msg_type, char *msg, char * service_name, char *env[])
{
struct ipc_message m;
memset (&m, 0, sizeof (struct ipc_message));
struct ipc_service srv;
memset (&srv, 0, sizeof (struct ipc_service));
// index and version should be filled
srv.index = 0;
srv.version = 0;
// init service
if (ipc_application_connection (env, &srv, service_name) < 0) {
handle_err ("main", "ipc_application_connection < 0");
exit (EXIT_FAILURE);
}
ipc_message_format (&m, msg_type, msg, strlen(msg) + 1);
// print_msg (&m);
if (ipc_application_write (&srv, &m) < 0) {
handle_err("main", "application_write < 0");
exit (EXIT_FAILURE);
}
ipc_message_empty (&m);
if (ipc_application_read (&srv, &m) < 0) {
handle_err("main", "application_read < 0");
exit (EXIT_FAILURE);
}
if (m.length > 0) {
printf ("msg recv: %.*s\n", m.length, m.payload);
}
ipc_message_empty (&m);
if (ipc_application_close (&srv) < 0) {
handle_err("main", "application_close < 0");
exit (EXIT_FAILURE);
}
ipc_message_empty (&m);
}
int main (int argc, char *argv[], char *env[])
{
char service_name[100];
@ -126,11 +170,18 @@ int main (int argc, char *argv[], char *env[])
ssize_t t = strlen(argv[1]) > 100 ? 100 : strlen(argv[1]);
memcpy(service_name, argv[1], t);
}
else {
memcpy(service_name, SERVICE_NAME, strlen(SERVICE_NAME));
}
else { memcpy(service_name, SERVICE_NAME, strlen(SERVICE_NAME)); }
interactive (service_name, env);
char mtype = 2;
if (argc > 2) { mtype = atoi(argv[2]); }
char msg[IPC_MAX_MESSAGE_SIZE];
memset(msg, 0, IPC_MAX_MESSAGE_SIZE);
if (argc > 3) { memcpy(msg, argv[3], strlen(argv[3])); }
else { memcpy(msg, MESSAGE, strlen(MESSAGE)); }
non_interactive (mtype, msg, service_name, env);
return EXIT_SUCCESS;
}

View File

@ -27,10 +27,10 @@ void non_interactive (char *env[])
exit (EXIT_FAILURE);
}
printf ("msg to send: %s\n", MSG);
printf ("msg to send: %.*s\n", (int) strlen(MSG), MSG);
ipc_message_format_data (&m, MSG, strlen(MSG) +1);
printf ("msg to send in the client: ");
ipc_message_print (&m);
// printf ("msg to send in the client: ");
// ipc_message_print (&m);
if (ipc_application_write (&srv, &m) < 0) {
handle_err("main", "application_write < 0");
exit (EXIT_FAILURE);
@ -45,6 +45,7 @@ void non_interactive (char *env[])
printf ("msg recv: %s\n", m.payload);
ipc_message_empty (&m);
sleep(10);
if (ipc_application_close (&srv) < 0) {
handle_err("main", "application_close < 0");
exit (EXIT_FAILURE);
@ -58,8 +59,8 @@ void interactive (char *env[])
struct ipc_service srv;
memset (&srv, 0, sizeof (struct ipc_service));
char buf[BUFSIZ];
memset (buf, 0, BUFSIZ);
char buf[IPC_MAX_MESSAGE_SIZE];
memset (buf, 0, IPC_MAX_MESSAGE_SIZE);
int n;
int ask_server_to_quit = 0;
@ -77,7 +78,7 @@ void interactive (char *env[])
while (1) {
printf ("msg to send: ");
fflush (stdout);
n = read (0, buf, BUFSIZ);
n = read (0, buf, IPC_MAX_MESSAGE_SIZE);
if (n == 0 || strncmp (buf, "exit", 4) == 0)
break;
@ -88,7 +89,7 @@ void interactive (char *env[])
}
ipc_message_format_data (&m, buf, strlen(buf) +1);
memset (buf, 0, BUFSIZ);
memset (buf, 0, IPC_MAX_MESSAGE_SIZE);
// print_msg (&m);

View File

@ -92,7 +92,7 @@ void handle_new_msg (struct ipc_clients *clients, struct ipc_clients *clients_ta
}
if (m.length > 0) {
printf ("new message : %.*s", m.length, m.payload);
printf ("new message : %.*s\n", m.length, m.payload);
}
if (ipc_server_write (pc, &m) < 0) {
handle_err( "handle_new_msg", "server_write < 0");