115 lines
3.0 KiB
C
115 lines
3.0 KiB
C
#define _GNU_SOURCE
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#include <stdio.h>
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#include <pthread.h>
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#include <unistd.h>
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#include <string.h>
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#include <libreborn/libreborn.h>
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#include "chat.h"
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#define CHAT_WINDOW_TCL \
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"set message \"\"\n" \
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"proc submit {} {\n" \
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"global message\n" \
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"puts \"$message\"\n" \
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"exit\n" \
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"}\n" \
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\
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"wm resizable . false false\n" \
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"wm title . \"Chat\"\n" \
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"wm attributes . -topmost true -type {dialog}\n" \
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\
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"ttk::label .label -text \"Enter Chat Message:\"\n" \
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\
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"ttk::entry .entry -textvariable message\n" \
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"focus .entry\n" \
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"bind .entry <Key-Return> submit\n" \
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\
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"ttk::frame .button\n" \
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"ttk::button .button.submit -text \"Submit\" -command submit\n" \
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"ttk::button .button.cancel -text \"Cancel\" -command exit\n" \
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\
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"grid .label -row 0 -padx 6 -pady 6\n" \
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"grid .entry -row 1 -padx 6\n" \
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"grid .button -row 2 -padx 3 -pady 6\n" \
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"grid .button.cancel -row 0 -column 0 -padx 3\n" \
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"grid .button.submit -row 0 -column 1 -padx 3\n"
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// Run Command
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static char *run_command(char *command, int *return_code) {
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// Don't Contaminate Child Process
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unsetenv("LD_LIBRARY_PATH");
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unsetenv("LD_PRELOAD");
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// Start
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FILE *out = popen(command, "r");
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if (!out) {
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ERR("%s", "Failed To Run Command");
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}
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// Record
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char *output = NULL;
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int c;
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while ((c = fgetc(out)) != EOF) {
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asprintf(&output, "%s%c", output == NULL ? "" : output, (char) c);
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ALLOC_CHECK(output);
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}
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// Return
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*return_code = pclose(out);
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return output;
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}
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// Count Chat Windows
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static pthread_mutex_t chat_counter_lock = PTHREAD_MUTEX_INITIALIZER;
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static unsigned int chat_counter = 0;
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unsigned int chat_get_counter() {
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return chat_counter;
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}
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// Chat Thread
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static void *chat_thread(__attribute__((unused)) void *nop) {
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// Prepare
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setenv("CHAT_WINDOW_TCL", CHAT_WINDOW_TCL, 1);
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// Open
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int return_code;
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char *output = run_command("echo \"${CHAT_WINDOW_TCL}\" | wish -name \"Minecraft - Pi edition\"", &return_code);
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// Handle Message
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if (output != NULL) {
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// Check Return Code
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if (return_code == 0) {
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// Remove Ending Newline
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int length = strlen(output);
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if (output[length - 1] == '\n') {
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output[length - 1] = '\0';
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}
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length = strlen(output);
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// Don't Allow Empty Strings
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if (length > 0) {
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// Submit
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chat_queue_message(output);
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}
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}
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// Free Output
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free(output);
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}
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// Update Counter
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pthread_mutex_lock(&chat_counter_lock);
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chat_counter--;
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pthread_mutex_unlock(&chat_counter_lock);
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// Return
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return NULL;
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}
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// Create Chat Thead
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void chat_open() {
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// Update Counter
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pthread_mutex_lock(&chat_counter_lock);
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chat_counter++;
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pthread_mutex_unlock(&chat_counter_lock);
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// Start Thread
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pthread_t thread;
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pthread_create(&thread, NULL, chat_thread, NULL);
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} |