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Start working on IPC for get_pixels

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This is broken
This commit is contained in:
Drew DeVault 2015-11-12 12:37:23 -05:00
parent 4dc913c95e
commit ef8335d694
2 changed files with 45 additions and 6 deletions
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1
include/ipc.h
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@ -12,6 +12,7 @@ enum ipc_command_type {
IPC_GET_MARKS = 5,
IPC_GET_BAR_CONFIG = 6,
IPC_GET_VERSION = 7,
IPC_SWAY_GET_PIXELS = 0x81
};
void ipc_init(void);

50
sway/ipc.c
View file

@ -139,7 +139,6 @@ static const int ipc_header_size = sizeof(ipc_magic)+8;
int ipc_client_handle_readable(int client_fd, uint32_t mask, void *data) {
struct ipc_client *client = data;
sway_log(L_DEBUG, "Event on IPC client socket %d", client_fd);
if (mask & WLC_EVENT_ERROR) {
sway_log(L_INFO, "IPC Client socket error, removing client");
@ -166,14 +165,10 @@ int ipc_client_handle_readable(int client_fd, uint32_t mask, void *data) {
if ((uint32_t)read_available >= client->payload_length) {
ipc_client_handle_command(client);
}
else {
sway_log(L_DEBUG, "Too little data to read payload on IPC Client socket, waiting for more (%d < %d)", read_available, client->payload_length);
}
return 0;
}
if (read_available < ipc_header_size) {
sway_log(L_DEBUG, "Too little data to read header on IPC Client socket, waiting for more (%d < %d)", read_available, ipc_header_size);
return 0;
}
@ -221,12 +216,37 @@ void ipc_client_disconnect(struct ipc_client *client)
free(client);
}
bool output_by_name_test(swayc_t *view, void *data) {
char *name = (char *)data;
if (view->type != C_OUTPUT) {
return false;
}
return !strcmp(name, view->name);
}
bool get_pixels_callback(const struct wlc_size *size, uint8_t *rgba, void *arg) {
struct ipc_client *client = (struct ipc_client *)arg;
char response_header[9];
memset(response_header, 0, sizeof(response_header));
response_header[0] = 1;
uint32_t *_size = (uint32_t *)(response_header + 1);
_size[0] = size->w;
_size[1] = size->h;
size_t len = sizeof(response_header) + (size->w * size->h * 4);
char *payload = malloc(len);
memcpy(payload, response_header, sizeof(response_header));
memcpy(payload + sizeof(response_header), rgba, len - sizeof(response_header));
ipc_send_reply(client, payload, len);
free(payload);
return false;
}
void ipc_client_handle_command(struct ipc_client *client) {
if (!sway_assert(client != NULL, "client != NULL")) {
return;
}
char buf[client->payload_length + 1];
char *buf = malloc(client->payload_length + 1);
if (client->payload_length > 0)
{
ssize_t received = recv(client->fd, buf, client->payload_length, 0);
@ -234,6 +254,7 @@ void ipc_client_handle_command(struct ipc_client *client) {
{
sway_log_errno(L_INFO, "Unable to receive payload from IPC client");
ipc_client_disconnect(client);
free(buf);
return;
}
}
@ -257,6 +278,7 @@ void ipc_client_handle_command(struct ipc_client *client) {
if (request == NULL) {
ipc_send_reply(client, "{\"success\": false}", 18);
ipc_client_disconnect(client);
free(buf);
return;
}
@ -270,6 +292,7 @@ void ipc_client_handle_command(struct ipc_client *client) {
ipc_send_reply(client, "{\"success\": false}", 18);
ipc_client_disconnect(client);
json_object_put(request);
free(buf);
return;
}
}
@ -325,6 +348,20 @@ void ipc_client_handle_command(struct ipc_client *client) {
free(full_version);
break;
}
case IPC_SWAY_GET_PIXELS:
{
char response_header[9];
memset(response_header, 0, sizeof(response_header));
buf[client->payload_length] = '\0';
swayc_t *output = swayc_by_test(&root_container, output_by_name_test, buf);
if (!output) {
sway_log(L_ERROR, "IPC GET_PIXELS request with unknown output name");
ipc_send_reply(client, response_header, sizeof(response_header));
break;
}
wlc_output_get_pixels(output->handle, get_pixels_callback, client);
break;
}
default:
sway_log(L_INFO, "Unknown IPC command type %i", client->current_command);
ipc_client_disconnect(client);
@ -332,6 +369,7 @@ void ipc_client_handle_command(struct ipc_client *client) {
}
client->payload_length = 0;
free(buf);
}
bool ipc_send_reply(struct ipc_client *client, const char *payload, uint32_t payload_length) {