int main(int argc, char** argv) {
(void) argc;
(void) argv;
int rc;
int listenfd;
char smbuffer[10];
// user_context will be pointer to socket
scpi_context.user_context = NULL;
SCPI_Init(&scpi_context);
listenfd = createServer(5025);
while (1) {
int clifd;
struct sockaddr_in cliaddr;
socklen_t clilen;
clilen = sizeof (cliaddr);
clifd = accept(listenfd, (struct sockaddr *) &cliaddr, &clilen);
if (clifd < 0) continue;
printf("Connection established %s\r\n", inet_ntoa(cliaddr.sin_addr));
scpi_context.user_context = &clifd;
while (1) {
rc = waitServer(clifd);
if (rc < 0) { // failed
perror(" recv() failed");
break;
}
if (rc == 0) { // timeout
SCPI_Input(&scpi_context, NULL, 0);
}
if (rc > 0) { // something to read
rc = recv(clifd, smbuffer, sizeof (smbuffer), 0);
if (rc < 0) {
if (errno != EWOULDBLOCK) {
perror(" recv() failed");
break;
}
} else if (rc == 0) {
printf("Connection closed\r\n");
break;
} else {
SCPI_Input(&scpi_context, smbuffer, rc);
}
}
}
close(clifd);
}
return (EXIT_SUCCESS);
}
int main(int argc, char** argv) {
(void) argc;
(void) argv;
int rc;
user_data_t user_data = {
.io_listen = -1,
.io = -1,
.control_io_listen = -1,
.control_io = -1,
.fio = NULL,
};
// user_context will be pointer to socket
scpi_context.user_context = &user_data;
SCPI_Init(&scpi_context);
user_data.io_listen = createServer(5025);
user_data.control_io_listen = createServer(CONTROL_PORT);
while(1) {
rc = waitServer(&user_data);
if (rc < 0) { // failed
perror("select failed");
exit(-1);
}
if (rc == 0) { // timeout
SCPI_Input(&scpi_context, NULL, 0);
}
if ((user_data.io_listen >= 0) && FD_ISSET(user_data.io_listen, &user_data.fds)) {
processIoListen(&user_data);
}
if ((user_data.control_io_listen >= 0) && FD_ISSET(user_data.control_io_listen, &user_data.fds)) {
processSrqIoListen(&user_data);
}
if ((user_data.io >= 0) && FD_ISSET(user_data.io, &user_data.fds)) {
processIo(&user_data);
}
if ((user_data.control_io >= 0) && FD_ISSET(user_data.control_io, &user_data.fds)) {
processSrqIo(&user_data);
}
}
return (EXIT_SUCCESS);
}
static void scpi_server_thread(void *arg) {
int rc;
(void)arg;
user_data.evtQueue = xQueueCreate(10, sizeof(uint32_t));
// user_context will be pointer to socket
scpi_context.user_context = &user_data;
SCPI_Init(&scpi_context);
user_data.io_listen = createServer(DEVICE_PORT);
user_data.control_io_listen = createServer(CONTROL_PORT);
while(1) {
rc = waitServer(&user_data);
if (rc < 0) { // failed
iprintf("select failed");
break;
}
if (rc == 0) { // timeout
SCPI_Input(&scpi_context, NULL, 0);
}
if ((user_data.io_listen != NULL) && (rc == SCPI_MSG_IO_LISTEN)) {
processIoListen(&user_data);
}
if ((user_data.control_io_listen != NULL) && (rc == SCPI_MSG_CONTROL_IO_LISTEN)) {
processSrqIoListen(&user_data);
}
if ((user_data.io != NULL) && (rc == SCPI_MSG_IO)) {
processIo(&user_data);
}
if ((user_data.control_io != NULL) && (rc == SCPI_MSG_CONTROL_IO)) {
processSrqIo(&user_data);
}
}
vTaskDelete(NULL);
}
int main(int argc, char** argv) {
(void) argc;
(void) argv;
int rc;
#ifdef __cplusplus
user_data_t user_data = {
/*.io_listen =*/ -1,
/*.io =*/ -1,
/*.control_io_listen =*/ -1,
/*.control_io =*/ -1,
/*.fio =*/ NULL,
/*.fds =*/ 0,
};
#else
user_data_t user_data = {
.io_listen = -1,
.io = -1,
.control_io_listen = -1,
.control_io = -1,
.fio = NULL,
};
#endif
/* user_context will be pointer to socket */
SCPI_Init(&scpi_context,
scpi_commands,
&scpi_interface,
scpi_units_def,
SCPI_IDN1, SCPI_IDN2, SCPI_IDN3, SCPI_IDN4,
scpi_input_buffer, SCPI_INPUT_BUFFER_LENGTH,
scpi_error_queue_data, SCPI_ERROR_QUEUE_SIZE);
scpi_context.user_context = &user_data;
user_data.io_listen = createServer(5025);
user_data.control_io_listen = createServer(CONTROL_PORT);
while (1) {
rc = waitServer(&user_data);
if (rc < 0) { /* failed */
perror("select failed");
exit(-1);
}
if (rc == 0) { /* timeout */
SCPI_Input(&scpi_context, NULL, 0);
}
if ((user_data.io_listen >= 0) && FD_ISSET(user_data.io_listen, &user_data.fds)) {
processIoListen(&user_data);
}
if ((user_data.control_io_listen >= 0) && FD_ISSET(user_data.control_io_listen, &user_data.fds)) {
processSrqIoListen(&user_data);
}
if ((user_data.io >= 0) && FD_ISSET(user_data.io, &user_data.fds)) {
processIo(&user_data);
}
if ((user_data.control_io >= 0) && FD_ISSET(user_data.control_io, &user_data.fds)) {
processSrqIo(&user_data);
}
}
return (EXIT_SUCCESS);
}
