WebSVN – HelenOS – Diff – //trunk/uspace/lib/libc/generic/io/console.c

 /** @file
  */
 #include <libc.h>
 #include <async.h>
-#include <io/stream.h>
+#include <io/console.h>
 #include <ipc/console.h>
-#include <ipc/services.h>
-#include <errno.h>
-#include <string.h>
-#include <console.h>
-static int console_phone = -1;
-/** Size of cbuffer. */
-#define CBUFFER_SIZE  256
-/** Buffer for writing characters to the console. */
-static char cbuffer[CBUFFER_SIZE];
-/** Pointer to end of cbuffer. */
-static char *cbuffer_end = cbuffer + CBUFFER_SIZE;
-/** Pointer to first available field in cbuffer. */
-static char *cbp = cbuffer;
-/** Write one character to the console via IPC. */
-static void cons_putchar(wchar_t c)
+void console_clear(int phone)
+{
-    console_wait();
-    async_msg_1(console_phone, CONSOLE_PUTCHAR, c);
+    async_msg_0(phone, CONSOLE_CLEAR);
+}
-/** Write characters to the console via IPC or to klog */
-static ssize_t cons_write(const char *buf, size_t size)
+int console_get_size(int phone, ipcarg_t *rows, ipcarg_t *cols)
+{
-    console_open(false);
-    if (console_phone >= 0) {
-        async_serialize_start();
-        ipc_call_t answer;
-        aid_t req = async_send_0(console_phone, CONSOLE_WRITE, &answer);
+    return async_req_0_2(phone, CONSOLE_GET_SIZE, rows, cols);
-        ipcarg_t rc = ipc_data_write_start(console_phone, (void *) buf, size);
-        if (rc != EOK) {
-            async_wait_for(req, NULL);
-            async_serialize_end();
-            return (ssize_t) rc;
-        }
-        async_wait_for(req, &rc);
-        async_serialize_end();
-        if (rc == EOK)
-            return (ssize_t) IPC_GET_ARG1(answer);
-        else
-            return -1;
-    } else
-        return __SYSCALL3(SYS_KLOG, 1, (sysarg_t) buf, size);
+}
-/** Write all data from output buffer to the console. */
+void console_set_style(int phone, int style)
-static void cbuffer_flush(void)
+{
-    size_t len = cbp - cbuffer;
-    while (len > 0) {
-        ssize_t rc = cons_write(cbuffer, cbp - cbuffer);
+    async_msg_1(phone, CONSOLE_SET_STYLE, style);
-        if (rc < 0)
-            return;
-        len -= rc;
-    }
-    cbp = cbuffer;
+}
-/** Drop all data in console output buffer. */
+void console_set_color(int phone, int fg_color, int bg_color, int flags)
-static void cbuffer_drain(void)
+{
-    cbp = cbuffer;
+    async_msg_3(phone, CONSOLE_SET_COLOR, fg_color, bg_color, flags);
+}
-/** Write one character to the output buffer. */
+void console_set_rgb_color(int phone, int fg_color, int bg_color)
-static inline void cbuffer_putc(char c)
+{
-    if (cbp == cbuffer_end)
+    async_msg_2(phone, CONSOLE_SET_RGB_COLOR, fg_color, bg_color);
-        cbuffer_flush();
-    *cbp++ = c;
-    if (c == '\n')
-        cbuffer_flush();
+}
-int console_open(bool blocking)
+void console_cursor_visibility(int phone, bool show)
+{
-    if (console_phone < 0) {
-        int phone;
-        if (blocking)
-            phone = ipc_connect_me_to_blocking(PHONE_NS,
+    async_msg_1(phone, CONSOLE_CURSOR_VISIBILITY, show != false);
-                SERVICE_CONSOLE, 0, 0);
-        else
-            phone = ipc_connect_me_to(PHONE_NS,
-                SERVICE_CONSOLE, 0, 0);
-        if (phone >= 0)
-            console_phone = phone;
-    }
-    return console_phone;
+}
-void console_close(void)
+void console_kcon_enable(int phone)
+{
-    if (console_phone >= 0) {
-        if (ipc_hangup(console_phone) == 0)
+    async_msg_0(phone, CONSOLE_KCON_ENABLE);
-            console_phone = -1;
-    }
+}
-void console_wait(void)
+void console_goto(int phone, ipcarg_t row, ipcarg_t col)
+{
-    while (console_phone < 0)
+    async_msg_2(phone, CONSOLE_GOTO, row, col);
-        console_open(true);
+}
-void console_clear(void)
+bool console_get_event(int phone, console_event_t *event)
+{
-    console_wait();
+    ipcarg_t type;
-    cbuffer_drain();
-    async_msg_0(console_phone, CONSOLE_CLEAR);
-}
-int console_get_size(int *rows, int *cols)
-{
-    console_wait();
+    ipcarg_t key;
-    ipcarg_t r;
+    ipcarg_t mods;
     ipcarg_t c;
-    int rc = async_req_0_2(console_phone, CONSOLE_GETSIZE, &r, &c);
-    *rows = (int) r;
-    *cols = (int) c;
-    return rc;
-}
-void console_set_style(int style)
-{
-    console_wait();
-    cbuffer_flush();
-    async_msg_1(console_phone, CONSOLE_SET_STYLE, style);
-}
-void console_set_color(int fg_color, int bg_color, int flags)
-{
-    console_wait();
-    cbuffer_flush();
-    async_msg_3(console_phone, CONSOLE_SET_COLOR, fg_color, bg_color, flags);
-}
-void console_set_rgb_color(int fg_color, int bg_color)
-{
-    console_wait();
-    cbuffer_flush();
-    async_msg_2(console_phone, CONSOLE_SET_RGB_COLOR, fg_color, bg_color);
-}
-void console_cursor_visibility(int show)
-{
-    console_wait();
-    cbuffer_flush();
-    async_msg_1(console_phone, CONSOLE_CURSOR_VISIBILITY, show != 0);
-}
-void console_kcon_enable(void)
-{
-    console_wait();
-    cbuffer_flush();
-    async_msg_0(console_phone, CONSOLE_KCON_ENABLE);
-}
-void console_goto(int row, int col)
-{
-    console_wait();
-    cbuffer_flush();
-    async_msg_2(console_phone, CONSOLE_GOTO, row, col);
-}
-void console_putchar(wchar_t c)
-{
-    console_wait();
-    cbuffer_flush();
-    cons_putchar(c);
-}
-/** Write characters to the console. */
-ssize_t console_write(const char *buf, size_t size)
-{
-    size_t left = size;
-    while (left > 0) {
-        cbuffer_putc(*buf++);
-        left--;
-    }
+    int rc = async_req_0_4(phone, CONSOLE_GET_EVENT, &type, &key, &mods, &c);
+    if (rc < 0)
-    return size;
+        return false;
-}
-/** Write a NULL-terminated string to the console. */
+    event->type = type;
-void console_putstr(const char *str)
+    event->key = key;
-{
-    size_t left = str_size(str);
+    event->mods = mods;
+    event->c = c;
-    while (left > 0) {
-        ssize_t rc = console_write(str, left);
-        if (rc < 0) {
-            /* Error */
-            return;
+    return true;
-        }
-        str += rc;
-        left -= rc;
-    }
-}
-/** Flush all output to the console or klog. */
-void console_flush(void)
-{
-    cbuffer_flush();
-    if (console_phone >= 0)
-        async_msg_0(console_phone, CONSOLE_FLUSH);
+}
 /** @}
  */

Subversion Repositories HelenOS

(root)//trunk/uspace/lib/libc/generic/io/console.c – Rev 4317 → 4482