wimp - src/ipc.c

-rw-r--r-- src/ipc.c
      1 #include <sys/socket.h>
      2 #include <sys/un.h>
      3 #include <unistd.h>
      4 
      5 #include "action.h"
      6 #include "config.h"
      7 #include "ipc.h"
      8 #include "keybind.h"
      9 
     10 #define SOCKET_PATH "/tmp/wimpy-sock-%s"
     11 
     12 
     13 void close_ipc(const char *display) {
     14     char path[1024];
     15     snprintf(path, sizeof(path), SOCKET_PATH, display);
     16     unlink(path);
     17 }
     18 
     19 
     20 static void handle_message(char *message, char *response) {
     21     char *s = strtok(message, " \t\n\r");
     22 
     23     // set <option> <value>
     24     if (!strcasecmp(s, "set")) {
     25 	set_configurable(s, response);
     26     }
     27 
     28     // bind [<modifiers>] <key> <action>
     29     else if (!strcasecmp(s, "bind")) {
     30 	add_binding(s, response);
     31     }
     32 
     33     // <action> <data>
     34     else {
     35 	if (!do_action(message, response)) {
     36 	    sprintf(response, "Sorry, I don't recognise that command.");
     37 	}
     38     }
     39 }
     40 
     41 
     42 static int dispatch(int sock, unsigned int mask, void *data) {
     43     char message[1024];
     44     char response[1024] = {0};
     45 
     46     if (mask & WL_EVENT_READABLE) {
     47 	int fd = accept(sock, NULL, NULL);
     48 	if (fd == -1) {
     49 	    wlr_log(WLR_ERROR, "Failed to accept connection from client.");
     50 	    return 0;
     51 	}
     52 	ssize_t len = recv(fd, message, sizeof(message) - 1, 0);
     53 	message[len] = '\0';
     54 	handle_message(message, response);
     55 	if (response[0]) {
     56 	    send(fd, response, strlen(response), 0);
     57 	}
     58 	close(fd);
     59     }
     60 
     61     return 0;
     62 }
     63 
     64 
     65 void set_up_defaults(){
     66     char defaults[][64] = {
     67 	"set desks 2",
     68 	"set desk 2 background #3e3e73",
     69 	"set desk 2 borders normal #31475c",
     70 	"set desk 2 corners normal #3e5973",
     71 	"set mark_indicator #47315c",
     72 	"set snap_box 47315c66",
     73 	"set mod Logo",
     74 	"set vt_switching on",
     75 	"set bind_marks on",
     76 	"bind Ctrl Escape terminate",
     77     };
     78     for (size_t i = 0; i < sizeof(defaults) / sizeof(defaults[0]); i++) {
     79 	handle_message(defaults[i], NULL);
     80     }
     81 }
     82 
     83 
     84 bool start_ipc(const char *display) {
     85     int sock;
     86     if ((sock = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) {
     87 	wlr_log(WLR_ERROR, "Failed to create IPC socket.");
     88 	return false;
     89     }
     90 
     91     struct sockaddr_un addr;
     92     snprintf(addr.sun_path, sizeof(addr.sun_path), SOCKET_PATH, display);
     93     addr.sun_family = AF_UNIX;
     94     unlink(addr.sun_path);
     95 
     96     if (bind(sock, (struct sockaddr *) &addr, sizeof(addr)) == -1) {
     97 	wlr_log(WLR_ERROR, "Failed to bind IPC socket.");
     98 	return false;
     99     }
    100 
    101     if (listen(sock, SOMAXCONN) == -1) {
    102 	wlr_log(WLR_ERROR, "Failed to listen on IPC socket.");
    103 	return false;
    104     }
    105 
    106     struct wl_event_loop *event_loop = wl_display_get_event_loop(wimp.display);
    107     wl_event_loop_add_fd(event_loop, sock, WL_EVENT_READABLE, &dispatch, NULL);
    108 
    109     return true;
    110 }
    111