mirror of
https://github.com/gyurix1968/guacamole-client.git
synced 2025-09-06 13:17:41 +00:00
Detect closed connections.
This commit is contained in:
@@ -1,5 +1,5 @@
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CFLAGS=-O2 -ansi -pedantic -Wall -Werror
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CFLAGS=-g -ansi -pedantic -Wall -Werror
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LDFLAGS=-lpng -lvncclient
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.PHONY: clean
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@@ -60,6 +60,7 @@ guac_client* guac_get_client(int client_fd, void (*client_init)(guac_client* cli
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client->io = guac_open(client_fd);
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client_init(client, hostname, port);
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guac_flush(client->io);
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return client;
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@@ -84,38 +85,48 @@ void guac_start_client(guac_client* client) {
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for (;;) {
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/* Handle server messages */
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if (client->handle_messages)
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if (client->handle_messages) {
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client->handle_messages(client);
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guac_flush(client->io);
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}
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wait_result = guac_instructions_waiting(io);
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if (wait_result > 0) {
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guac_instruction* instruction;
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while ((instruction = guac_read_instruction(io))) {
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if ((instruction = guac_read_instruction(io))) {
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if (strcmp(instruction->opcode, "mouse") == 0) {
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if (client->mouse_handler)
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client->mouse_handler(
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client,
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atoi(instruction->argv[0]), /* x */
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atoi(instruction->argv[1]), /* y */
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atoi(instruction->argv[2]) /* mask */
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);
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}
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do {
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if (strcmp(instruction->opcode, "mouse") == 0) {
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if (client->mouse_handler)
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client->mouse_handler(
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client,
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atoi(instruction->argv[0]), /* x */
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atoi(instruction->argv[1]), /* y */
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atoi(instruction->argv[2]) /* mask */
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);
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}
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else if (strcmp(instruction->opcode, "key") == 0) {
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if (client->key_handler)
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client->key_handler(
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client,
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atoi(instruction->argv[0]), /* keysym */
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atoi(instruction->argv[1]) /* pressed */
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);
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}
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else if (strcmp(instruction->opcode, "key") == 0) {
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if (client->key_handler)
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client->key_handler(
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client,
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atoi(instruction->argv[0]), /* keysym */
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atoi(instruction->argv[1]) /* pressed */
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);
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}
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guac_free_instruction(instruction);
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} while ((instruction = guac_read_instruction(io)));
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guac_free_instruction(instruction);
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}
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else
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return;
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}
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else if (wait_result < 0)
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return;
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}
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@@ -227,6 +227,9 @@ int guac_select(GUACIO* io, int usec_timeout) {
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fd_set fds;
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struct timeval timeout;
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if (usec_timeout < 0)
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return select(io->fd + 1, &fds, NULL, NULL, NULL);
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timeout.tv_sec = usec_timeout/1000000;
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timeout.tv_usec = usec_timeout%1000000;
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@@ -289,6 +289,7 @@ int __guac_fill_instructionbuf(GUACIO* io) {
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}
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/* Returns new instruction if one exists, or NULL if no more instructions. */
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guac_instruction* guac_read_instruction(GUACIO* io) {
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guac_instruction* parsed_instruction;
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@@ -355,18 +356,13 @@ guac_instruction* guac_read_instruction(GUACIO* io) {
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}
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/* No instruction yet? Get more data ... */
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retval = guac_select(io, 1000);
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while ((retval = guac_select(io, 2500000)) == 0);
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if (retval < 0)
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return NULL;
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/* Break if descriptor doesn't have enough data */
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if (retval == 0)
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return NULL; /* SOFT FAIL: No instruction ... yet, but is still in buffer */
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return NULL; /* If error, no more instructions */
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retval = __guac_fill_instructionbuf(io);
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if (retval < 0 && errno != EAGAIN && errno != EWOULDBLOCK)
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return NULL;
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if (retval <= 0)
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return NULL; /* If error, or no more data, no instructions remain */
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}
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}
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@@ -98,7 +98,6 @@ void guac_vnc_cursor(rfbClient* client, int x, int y, int w, int h, int bpp) {
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/* SEND CURSOR */
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guac_send_cursor(io, x, y, png_buffer, w, h);
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guac_flush(io);
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}
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void guac_vnc_update(rfbClient* client, int x, int y, int w, int h) {
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@@ -150,7 +149,6 @@ void guac_vnc_update(rfbClient* client, int x, int y, int w, int h) {
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}
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guac_send_png(io, x, y, png_buffer, w, h);
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guac_flush(io);
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}
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@@ -159,7 +157,6 @@ void guac_vnc_copyrect(rfbClient* client, int src_x, int src_y, int w, int h, in
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GUACIO* io = rfbClientGetClientData(client, __GUAC_VNC_TAG_IO);
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guac_send_copy(io, src_x, src_y, w, h, dest_x, dest_y);
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guac_flush(io);
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}
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@@ -244,7 +241,7 @@ void vnc_guac_client_init(guac_client* client, const char* hostname, int port) {
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/* Framebuffer update handler */
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rfb_client->GotFrameBufferUpdate = guac_vnc_update;
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/*rfb_client->GotCopyRect = guac_vnc_copyrect;*/
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rfb_client->GotCopyRect = guac_vnc_copyrect;
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/* Enable client-side cursor */
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rfb_client->GotCursorShape = guac_vnc_cursor;
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@@ -288,7 +285,6 @@ void vnc_guac_client_init(guac_client* client, const char* hostname, int port) {
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/* Send size */
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guac_send_size(client->io, rfb_client->width, rfb_client->height);
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guac_flush(client->io);
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}
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