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https://github.com/lxsang/antd-wvnc-plugin.git
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using the new nonblocking plugin interface
This commit is contained in:
lxsang
parent
bfc8696196
commit
fdadffaf56
142
wvnc.c
142
wvnc.c
@ -2,7 +2,6 @@
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#include <string.h>
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#include <unistd.h>
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#include <rfb/rfbclient.h>
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#include <pthread.h>
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#ifdef USE_ZLIB
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#include <zlib.h>
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#endif
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@ -24,10 +23,13 @@ typedef struct
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uint8_t *data;
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} wvnc_cmd_t;
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typedef enum { DISCONNECTED, READY, CONNECTED } wvnc_connect_t;
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typedef struct
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{
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void *client;
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uint8_t status;
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antd_request_t *wscl;
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wvnc_connect_t status;
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void *vncl;
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uint8_t bbp;
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uint8_t flag;
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@ -46,7 +48,6 @@ typedef struct
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} wvnc_pixel_format_t;
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void *vnc_fatal(void *client, const char *msg);
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void *identify();
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void *process(void *cl, int wait);
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static rfbBool resize(rfbClient *client);
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void open_session(void *client, const char *addr);
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@ -158,31 +159,19 @@ int get_pixel_format(uint8_t deep, wvnc_pixel_format_t *d)
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return 0;
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}
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void pexit()
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{
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}
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void *identify()
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{
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void *ptr = (void *)pthread_self();
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//printf("stackaddr = %p\n", ptr);
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return ptr;
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}
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void *process(void *data, int wait)
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{
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wvnc_user_data_t *user_data = get_user_data(data);
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uint8_t *buff = NULL;
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ws_msg_header_t *h = NULL;
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while (!(h = ws_read_header(user_data->client)) && user_data->status && wait)
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;
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while (!(h = ws_read_header(user_data->wscl->client)) && user_data->status != DISCONNECTED && wait);
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if (h)
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{
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if (h->mask == 0)
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{
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LOG("%s\n", "data is not masked");
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ws_close(user_data->client, 1012);
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user_data->status = 0;
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ws_close(user_data->wscl->client, 1012);
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user_data->status = DISCONNECTED;
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free(h);
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return NULL;
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//break;
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@ -190,8 +179,8 @@ void *process(void *data, int wait)
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if (h->opcode == WS_CLOSE)
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{
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LOG("%s\n", "Websocket: connection closed");
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ws_close(user_data->client, 1011);
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user_data->status = 0;
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ws_close(user_data->wscl->client, 1011);
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user_data->status = DISCONNECTED;
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free(h);
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return 0;
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//break;
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@ -207,7 +196,7 @@ void *process(void *data, int wait)
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}
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// read the command from the client
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int len = h->plen;
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if ((l = ws_read_data(user_data->client, h, h->plen, buff)) > 0)
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if ((l = ws_read_data(user_data->wscl->client, h, h->plen, buff)) > 0)
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{
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// process client command
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@ -251,7 +240,7 @@ static rfbBool resize(rfbClient *client)
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client->updateRect.x = client->updateRect.y = 0;
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client->updateRect.w = width;
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client->updateRect.h = height;
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void *data = rfbClientGetClientData(client, identify());
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void *data = rfbClientGetClientData(client, client);
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wvnc_user_data_t *user_data = get_user_data(data);
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//client->width = sdl->pitch / (depth / 8);
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if (client->frameBuffer)
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@ -281,7 +270,7 @@ static rfbBool resize(rfbClient *client)
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cmd[3] = (uint8_t)(height & 0xFF);
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cmd[4] = (uint8_t)(height >> 8);
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cmd[5] = (uint8_t)(user_data->bbp);
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ws_b(user_data->client, cmd, 6);
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ws_b(user_data->wscl->client, cmd, 6);
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uint8_t *ack = (uint8_t *)process(user_data, 1);
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if (!ack || !(*ack))
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{
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@ -296,7 +285,7 @@ static rfbBool resize(rfbClient *client)
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static void update(rfbClient *client, int x, int y, int w, int h)
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{
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wvnc_user_data_t *user_data = get_user_data(rfbClientGetClientData(client, identify()));
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wvnc_user_data_t *user_data = get_user_data(rfbClientGetClientData(client, client));
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uint8_t components = (uint8_t)client->format.bitsPerPixel / 8;
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int size = w * h * components;
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uint8_t *cmd = (uint8_t *)malloc(size + 10); // + 9
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@ -356,13 +345,13 @@ static void update(rfbClient *client, int x, int y, int w, int h)
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}
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#endif
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cmd[9] = flag;
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ws_b(user_data->client, cmd, size + 10);
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ws_b(user_data->wscl->client, cmd, size + 10);
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free(cmd);
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}
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static rfbCredential *get_credential(rfbClient *cl, int credentialType)
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{
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wvnc_user_data_t *user_data = get_user_data(rfbClientGetClientData(cl, identify()));
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wvnc_user_data_t *user_data = get_user_data(rfbClientGetClientData(cl, cl));
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rfbCredential *c = malloc(sizeof(rfbCredential));
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c->userCredential.username = malloc(RFB_BUF_SIZE);
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c->userCredential.password = malloc(RFB_BUF_SIZE);
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@ -374,7 +363,7 @@ static rfbCredential *get_credential(rfbClient *cl, int credentialType)
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}
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uint8_t cmd[1];
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cmd[0] = 0x82;
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ws_b(user_data->client, cmd, 1);
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ws_b(user_data->wscl->client, cmd, 1);
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char *up = (char *)process(user_data, 1);
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if (!up)
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{
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@ -404,10 +393,10 @@ static rfbCredential *get_credential(rfbClient *cl, int credentialType)
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static char *get_password(rfbClient *client)
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{
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uint8_t cmd[1];
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void *data = rfbClientGetClientData(client, identify());
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void *data = rfbClientGetClientData(client, client);
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wvnc_user_data_t *user_data = get_user_data(data);
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cmd[0] = 0x81; // resize command
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ws_b(user_data->client, cmd, 1);
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ws_b(user_data->wscl->client, cmd, 1);
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// call process to get the password
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char *pwd = (char *)process(user_data, 1);
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@ -481,34 +470,46 @@ void open_session(void *data, const char *addr)
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return;
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}
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if(buffer) free(buffer);
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while (1)
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user_data->status = CONNECTED;
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}
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void* waitfor(void* data)
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{
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wvnc_user_data_t *user_data = get_user_data(data);
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antd_task_t* task = NULL;
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process(user_data, 0);
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if (user_data->status == DISCONNECTED)
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{
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if (!user_data->status)
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{
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if (user_data->vncl)
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rfbClientCleanup(user_data->vncl);
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break;
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}
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process(user_data, 0);
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//LOG("ENd process \n");
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// quit
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goto quit;
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}
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if (user_data->status == CONNECTED)
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{
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// process other message
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int status = WaitForMessage(user_data->vncl, 200); //500
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if (status < 0)
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{
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if (user_data->vncl)
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rfbClientCleanup(user_data->vncl);
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break;
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goto quit;
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}
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if (status)
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{
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if (!HandleRFBServerMessage(user_data->vncl))
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{
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if (user_data->vncl)
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rfbClientCleanup(user_data->vncl);
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break;
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goto quit;
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}
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}
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}
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return;
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task = antd_create_task(waitfor, user_data, NULL);
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task->priority++;
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task->type = HEAVY;
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return task;
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quit:
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if (user_data->vncl)
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rfbClientCleanup(user_data->vncl);
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task = antd_create_task(NULL, user_data->wscl, NULL);
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task->priority++;
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free(user_data);
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return task;
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}
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void *vnc_fatal(void *data, const char *msg)
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@ -523,15 +524,15 @@ void *vnc_fatal(void *data, const char *msg)
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LOG("%s\n", msg);
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uint8_t *cmd = (uint8_t *)malloc(size);
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cmd[0] = 0xFE; // error opcode
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user_data->status = 0;
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user_data->status = DISCONNECTED;
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if (cmd)
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{
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memcpy(cmd + 1, (uint8_t *)msg, len);
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ws_b(user_data->client, cmd, size);
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ws_b(user_data->wscl->client, cmd, size);
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free(cmd);
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}
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// quit the socket
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ws_close(user_data->client, 1011);
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ws_close(user_data->wscl->client, 1011);
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return 0;
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}
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@ -585,12 +586,12 @@ void *consume_client(void *ptr, wvnc_cmd_t header)
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static void got_clipboard(rfbClient *cl, const char *text, int len)
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{
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LOG("received clipboard text '%s'\n", text);
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void *data = rfbClientGetClientData(cl, identify());
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void *data = rfbClientGetClientData(cl, cl);
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wvnc_user_data_t *user_data = get_user_data(data);
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uint8_t *cmd = (uint8_t *)malloc(len + 1);
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cmd[0] = 0x85;
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memcpy(cmd + 1, text, len);
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ws_b(user_data->client, cmd, len + 1);
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ws_b(user_data->wscl->client, cmd, len + 1);
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free(cmd);
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uint8_t *ack = (uint8_t *)process(user_data, 1);
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if (!ack || !(*ack))
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@ -603,21 +604,20 @@ static void got_clipboard(rfbClient *cl, const char *text, int len)
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free(ack);
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}
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void handle(void *cl, const char *m, const char *rqp, dictionary rq)
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void* handle(void *data)
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{
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if (ws_enable(rq))
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antd_request_t *rq = (antd_request_t *)data;
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void *cl = (void *)rq->client;
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if (ws_enable(rq->request))
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{
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#ifdef USE_ZLIB
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LOG("Zlib is enabled\n");
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#endif
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//set time out for the tcp socket
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// set timeout to socket
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struct timeval timeout;
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timeout.tv_sec = 0;
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timeout.tv_usec = 200;
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//struct timeval timeout;
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//timeout.tv_sec = 0;
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// timeout.tv_usec = 200;
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if (setsockopt(((antd_client_t *)cl)->sock, SOL_SOCKET, SO_RCVTIMEO, (char *)&timeout, sizeof(timeout)) < 0)
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perror("setsockopt failed\n");
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//if (setsockopt(((antd_client_t *)cl)->sock, SOL_SOCKET, SO_RCVTIMEO, (char *)&timeout, sizeof(timeout)) < 0)
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// perror("setsockopt failed\n");
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//if (setsockopt (((antd_client_t*)cl)->sock, SOL_SOCKET, SO_SNDTIMEO, (char *)&timeout,sizeof(timeout)) < 0)
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// perror("setsockopt failed\n");
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@ -636,23 +636,33 @@ void handle(void *cl, const char *m, const char *rqp, dictionary rq)
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vncl->listenPort = LISTEN_PORT_OFFSET;
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vncl->listen6Port = LISTEN_PORT_OFFSET;
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wvnc_user_data_t *user_data = (wvnc_user_data_t *)malloc(sizeof(wvnc_user_data_t));
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user_data->client = cl;
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user_data->status = 1;
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user_data->wscl = rq;
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user_data->status = READY; // 1 for ready for connect
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user_data->vncl = vncl;
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rfbClientSetClientData(vncl, identify(), user_data);
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rfbClientSetClientData(vncl, vncl, user_data);
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//while(1)
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//{
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process(user_data, 1);
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antd_task_t *task = antd_create_task(waitfor, (void *)user_data, NULL);
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task->priority++;
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task->type = HEAVY;
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return task;
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//}
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}
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else
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{
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html(cl);
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__t(cl, "Welcome to WVNC, plese use a websocket connection");
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antd_task_t *task = antd_create_task(NULL, (void *)rq, NULL);
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task->priority++;
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return task;
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}
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LOG("%s\n", "EXIT Streaming..");
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//LOG("%s\n", "EXIT Streaming..");
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}
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void init()
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{
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}
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void destroy()
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{
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}
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