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426 lines
12 KiB
426 lines
12 KiB
/////////////////////////////////////////////////////////////////////////////////
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//
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// client.cc is part of TestModbus-Client.
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//
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/////////////////////////////////////////////////////////////////////////////////
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#include <sys/time.h>
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#include "config.h"
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#include "client.h"
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#include "nwthread.h"
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#include "modbus.h"
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#define BUILDER_FILE "testmodbus-client.ui"
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/************************************************************************************
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* Global Variables
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*/
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GtkBuilder *_builder_ = NULL; // work around for the thread situation
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gboolean mbcli_thread_cb_net(gpointer data); // callback thread network data
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gboolean mbcli_thread_cb_error(gpointer data); // callback thread error
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void mbcli_connect_btn_sensitive (bool enable); // enable/disable connect buttons
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int old_refreshtime = -1;
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int num_errors = 0; // error counter
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int num_requests = 0; // request counter
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NetworkThread netthread;
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std::string to_hex16 (int v) {
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char HEX[] = "0123456789ABCDEF";
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int i = v;
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int n;
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std::string txt = "";
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for (n = 0; n < 4; n++) {
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txt = HEX[i%16]+ txt;
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i = i / 16;
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}
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return txt;
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}
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int main (int argc, char **argv) {
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GtkBuilder *builder;
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GObject *window;
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#ifdef BUILD_WINDOWS
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char buffer[16];
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setvbuf (stdout, buffer, _IONBF, 16);
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#endif
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printf ("TestModbus-Client - %s\n", VERSION);
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printf (" https://steffen.gulpe.de/modbus-tcpip\n");
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printf (" written by Steffen Pohle <steffen@gulpe.de>\n");
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gtk_init (&argc, &argv);
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_builder_ = builder = gtk_builder_new ();
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gtk_builder_add_from_file (builder, BUILDER_FILE, NULL);
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gtk_builder_connect_signals(builder, builder);
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//
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// #if defined _WIN32 || defined _WIN64 || defined __CYGWIN__
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// #else
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// #endif
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//
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window = gtk_builder_get_object (builder, "testmodbus-client");
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gtk_widget_show_all (GTK_WIDGET(window));
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gtk_main ();
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return 0;
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}
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void mbcli_cb_show(GtkWidget *widget, gpointer data) {
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GtkTextTag *tag_addr;
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GtkTextTag *tag_values;
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GtkTextTag *tag_head;
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GtkWidget *textview = GTK_WIDGET(gtk_builder_get_object (_builder_, "cli_RawResult"));
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GtkTextBuffer *textbuffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview));
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tag_head = gtk_text_buffer_create_tag (textbuffer, "Head",
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"foreground", "green", "style", PANGO_WEIGHT_HEAVY, "family", "Monospace", NULL);
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tag_addr = gtk_text_buffer_create_tag (textbuffer, "Addr",
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"foreground", "blue", "style", PANGO_WEIGHT_BOLD, "family", "Monospace", NULL);
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tag_values = gtk_text_buffer_create_tag (textbuffer, "Data",
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"foreground", "black", "style", PANGO_WEIGHT_NORMAL, "family", "Monospace", NULL);
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}
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/*
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* got some data
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*/
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gboolean mbcli_thread_cb_net(gpointer data) {
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NWTReqResult *res = (NWTReqResult*) data;
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GtkWidget *textview = GTK_WIDGET (gtk_builder_get_object (_builder_, "cli_RawResult"));
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GtkTextBuffer *textbuffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview));
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GtkTextIter start, end;
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char *tmpdata = (char *) res->data;
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std::string text;
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float f1, f2;
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char tmp[255];
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printf ("%s:%d %s got some data\n", __FILE__, __LINE__, __FUNCTION__);
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gtk_text_buffer_get_start_iter(textbuffer, &start);
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gtk_text_buffer_get_end_iter(textbuffer, &end);
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gtk_text_buffer_delete(textbuffer, &start, &end);
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if (res->fc == 1 || res->fc == 2) {
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//
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// binary data
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//
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gtk_text_buffer_get_end_iter(textbuffer, &end);
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gtk_text_buffer_insert_with_tags_by_name(textbuffer, &end, " Addr [HEX] Registers\n", -1, "Head", NULL);
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for (int i = 0; i < res->cnt; i++) {
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if ((i % 32) == 0) {
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if (i > 0) {
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text += "\n";
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gtk_text_buffer_get_end_iter(textbuffer, &end);
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gtk_text_buffer_insert_with_tags_by_name(textbuffer, &end, text.c_str(), -1, "Data", NULL);
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}
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text = "| ";
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snprintf (tmp, 255, "%5d [%s] ", res->reg + i, to_hex16(res->reg+i).c_str());
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gtk_text_buffer_get_end_iter(textbuffer, &end);
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gtk_text_buffer_insert_with_tags_by_name(textbuffer, &end, tmp, -1, "Addr", NULL);
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}
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else if ((i % 16) == 0) text += " : ";
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else if ((i % 8) == 0) text += " ";
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if (tmpdata[i/8] & (1<<i%8)) text += "1";
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else text += "0";
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}
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gtk_text_buffer_get_end_iter(textbuffer, &end);
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gtk_text_buffer_insert_with_tags_by_name(textbuffer, &end, text.c_str(), -1, "Data", NULL);
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}
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else {
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//
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// integer values (16bit words)
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//
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gtk_text_buffer_get_end_iter(textbuffer, &end);
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gtk_text_buffer_insert_with_tags_by_name(textbuffer, &end, " Addr RawData Integer Float Float(SW)\n", -1, "Head", NULL);
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for (int i = 0; i < res->cnt; i++) {
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// add addr to textbuffer
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snprintf (tmp, 255, "%5d ", res->reg + i);
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gtk_text_buffer_get_end_iter(textbuffer, &end);
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gtk_text_buffer_insert_with_tags_by_name(textbuffer, &end, tmp, -1, "Addr", NULL);
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// add data to textbuffer
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text = to_hex16((int) res->data[i]);
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if ((res->reg + i)%2 == 0 && i < res->cnt-1) {
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memcpy (((char*)&f1) + 0, &res->data[i], 2);
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memcpy (((char*)&f1) + 2, &res->data[i+1], 2);
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memcpy (((char*)&f2) + 2, &res->data[i], 2);
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memcpy (((char*)&f2) + 0, &res->data[i+1], 2);
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snprintf (tmp, 255, " | %6d | %9.3g | %9.3g", res->data[i], f1, f2);
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text = text + tmp;
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}
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else {
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snprintf (tmp, 255, " | %6d | | ", res->data[i]);
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text = text + tmp;
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}
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gtk_text_buffer_get_end_iter(textbuffer, &end);
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gtk_text_buffer_insert_with_tags_by_name(textbuffer, &end, text.c_str(), -1, "Data", NULL);
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gtk_text_buffer_get_end_iter(textbuffer, &end);
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gtk_text_buffer_insert(textbuffer, &end, (char *) "\n", -1);
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}
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}
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GtkWidget *statusbar = GTK_WIDGET (gtk_builder_get_object (_builder_, "cli_statusbar"));
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gtk_label_set_label(GTK_LABEL(statusbar), (char*)"got data");
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free (res);
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return FALSE;
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};
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/*
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* display error if somethin happened within a thread
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*/
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gboolean mbcli_thread_cb_error(gpointer data) {
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if (data == NULL) {
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displayerror ("unknown error");
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}
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else {
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std::string text = (char*)data;
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free (data);
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displayerror (text);
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}
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return FALSE;
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};
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void displayerror (std::string error) {
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GtkWidget *dialog;
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GtkWidget *window = GTK_WIDGET (gtk_builder_get_object (_builder_, "testmodbus-client"));
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dialog = gtk_message_dialog_new(GTK_WINDOW(window),
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GTK_DIALOG_DESTROY_WITH_PARENT,
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GTK_MESSAGE_ERROR,
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GTK_BUTTONS_OK,
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error.c_str());
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gtk_window_set_title(GTK_WINDOW(dialog), "Error");
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gtk_dialog_run(GTK_DIALOG(dialog));
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gtk_widget_destroy(dialog);
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}
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/*
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* network thread callback
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*/
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gboolean mbcli_thread_cb_status(gpointer data) {
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GtkWidget *statusbar = GTK_WIDGET (gtk_builder_get_object (_builder_, "cli_statusbar"));
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mbcli_connect_btn_sensitive (netthread.GetState() == NWT_nothing);
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if (data) {
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gtk_label_set_label(GTK_LABEL(statusbar), (char*)data);
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free (data);
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}
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return FALSE;
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};
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void mbcli_connect_btn_sensitive (bool enable) {
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GtkWidget *txthost = GTK_WIDGET (gtk_builder_get_object (_builder_, "cli_host"));
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GtkWidget *txtport = GTK_WIDGET (gtk_builder_get_object (_builder_, "cli_port"));
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GtkWidget *btnconnect = GTK_WIDGET (gtk_builder_get_object (_builder_, "cli_btnConnect"));
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GtkWidget *btndisconnect = GTK_WIDGET (gtk_builder_get_object (_builder_, "cli_btnDisconnect"));
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gtk_widget_set_sensitive(txthost, enable);
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gtk_widget_set_sensitive(txtport, enable);
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gtk_widget_set_sensitive(btnconnect, enable);
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gtk_widget_set_sensitive(btndisconnect, !enable);
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};
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void mbcli_cb_connect (GtkWidget *widget, gpointer data) {
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GtkWidget *txthost = GTK_WIDGET (gtk_builder_get_object (_builder_, "cli_host"));
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GtkWidget *txtport = GTK_WIDGET (gtk_builder_get_object (_builder_, "cli_port"));
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mbcli_connect_btn_sensitive(false);
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netthread.Connect(gtk_entry_get_text(GTK_ENTRY(txthost)), gtk_entry_get_text(GTK_ENTRY(txtport)));
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};
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void mbcli_cb_disconnect (GtkWidget *widget, gpointer data) {
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netthread.Disconnect();
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};
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/*
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* returns the currently selected FC
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*/
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int mbcli_get_FC () {
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GtkWidget *FC_n[4] = { NULL, NULL, NULL, NULL };
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int fc = 0, i = 0;
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FC_n[fc++] = GTK_WIDGET (gtk_builder_get_object (_builder_, "cli_FC1"));
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FC_n[fc++] = GTK_WIDGET (gtk_builder_get_object (_builder_, "cli_FC2"));
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FC_n[fc++] = GTK_WIDGET (gtk_builder_get_object (_builder_, "cli_FC3"));
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FC_n[fc++] = GTK_WIDGET (gtk_builder_get_object (_builder_, "cli_FC4"));
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for (i = 0, fc = -1; i < 4; i++)
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if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(FC_n[i]))) fc = i+1;
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return fc;
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}
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/*
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* returns the refresh time
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*/
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int mbcli_get_refreshtime() {
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GtkWidget *rd_refresh = GTK_WIDGET (gtk_builder_get_object (_builder_, "cli_refreshtime"));
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return atoi(gtk_entry_get_text(GTK_ENTRY(rd_refresh)));
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}
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/*
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* returns the register
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*/
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int mbcli_get_register() {
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GtkWidget *rd_refresh = GTK_WIDGET (gtk_builder_get_object (_builder_, "cli_register"));
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return atoi(gtk_entry_get_text(GTK_ENTRY(rd_refresh)));
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}
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/*
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* returns the number
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*/
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int mbcli_get_number() {
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GtkWidget *rd_refresh = GTK_WIDGET (gtk_builder_get_object (_builder_, "cli_number"));
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return atoi(gtk_entry_get_text(GTK_ENTRY(rd_refresh)));
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}
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/*
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* returns the unitid
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*/
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int mbcli_get_unitid() {
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GtkWidget *rd_refresh = GTK_WIDGET (gtk_builder_get_object (_builder_, "cli_unitid"));
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return atoi(gtk_entry_get_text(GTK_ENTRY(rd_refresh)));
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}
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/*
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* returns status of the update checkbox
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*/
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int mbcli_get_update () {
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GtkWidget *tb_update = GTK_WIDGET (gtk_builder_get_object (_builder_, "cli_Update"));
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if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb_update))) return 1;
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return 0;
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}
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/*
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* returns status of the reconnect checkbox
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*/
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int mbcli_get_autoconnect () {
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GtkWidget *tb_update = GTK_WIDGET (gtk_builder_get_object (_builder_, "cli_Reconnect"));
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if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb_update))) return 1;
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return 0;
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}
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/*
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* sets the update checkbox
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*/
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void mbcli_set_update (int active) {
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GtkWidget *tb_update = GTK_WIDGET (gtk_builder_get_object (_builder_, "cli_Update"));
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gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(tb_update), active);
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}
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/*
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* returns status of the dont_use_FC1516 button
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*/
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int mbcli_get_FC1516 () {
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GtkWidget *tb_update = GTK_WIDGET (gtk_builder_get_object (_builder_, "cli_dontuse_FC1516"));
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if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb_update))) return 1;
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return 0;
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}
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/*
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* toglebutton to read some data is changed.
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*/
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void mbcli_cb_updateread (GtkToggleButton *togglebutton, gpointer user_data) {
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printf ("%s:%d %s\n", __FILE__, __LINE__, __FUNCTION__);
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if (mbcli_get_update()) {
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num_requests = 0;
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num_errors = 0;
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g_timeout_add(mbcli_get_refreshtime(), mbcli_refreshtimeout, NULL);
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if (mbcli_get_FC1516()) mbcli_set_update(0);
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}
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}
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gboolean mbcli_refreshtimeout(gpointer data) {
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int timeout = mbcli_get_refreshtime();
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int update = mbcli_get_update();
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int fc1516 = mbcli_get_FC1516();
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int fc = mbcli_get_FC();
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int reg = mbcli_get_register();
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int num = mbcli_get_number();
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int unitid = mbcli_get_unitid();
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int state = netthread.GetState();
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GtkWidget *statusbar = GTK_WIDGET (gtk_builder_get_object (_builder_, "cli_statusbar"));
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GtkWidget *rate = GTK_WIDGET (gtk_builder_get_object (_builder_, "cli_rate"));
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char txt[255];
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printf ("%s:%d %s\n", __FILE__, __LINE__, __FUNCTION__);
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if (state == NWT_running) {
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num_requests++;
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if (netthread.SendRequestRead(unitid, fc, reg, num) == 0) {
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num_errors++;
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gtk_label_set_label(GTK_LABEL(statusbar), "busy, another request in progress");
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}
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else {
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gtk_label_set_label(GTK_LABEL(statusbar), "request send");
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}
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snprintf (txt, 255, "%d / %d", num_errors, num_requests);
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gtk_label_set_label(GTK_LABEL(rate), txt);
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}
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else {
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gtk_label_set_label(GTK_LABEL(rate), "- / -");
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if (mbcli_get_autoconnect()) mbcli_cb_connect(NULL, NULL); // reconnect if needed
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}
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//
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// need to continue
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if (fc1516) {
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mbcli_set_update(0);
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return FALSE;
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}
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if (!update) return FALSE;
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//
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// refresh time changed?
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if (timeout != old_refreshtime) {
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old_refreshtime = timeout;
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g_timeout_add(timeout, mbcli_refreshtimeout, NULL);
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return FALSE;
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}
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return TRUE; // continue with timer
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};
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