diff --git a/include/ipc.h b/include/ipc.h new file mode 100644 index 000000000..aab9cf0c0 --- /dev/null +++ b/include/ipc.h @@ -0,0 +1,6 @@ +#ifndef _SWAY_IPC_H +#define _SWAY_IPC_H + +void init_ipc(void); + +#endif diff --git a/sway/ipc.c b/sway/ipc.c new file mode 100644 index 000000000..ac5246d2a --- /dev/null +++ b/sway/ipc.c @@ -0,0 +1,70 @@ +#include +#include +#include +#include +#include +#include +#include "log.h" +#include "config.h" +#include "commands.h" + +static int ipc_socket = -1; + +int ipc_handle_connection(int fd, uint32_t mask, void *data); + +void init_ipc() { + ipc_socket = socket(AF_UNIX, SOCK_STREAM | SOCK_NONBLOCK | SOCK_CLOEXEC, 0); + if (ipc_socket == -1) { + sway_abort("Unable to create IPC socket"); + } + + struct sockaddr_un ipc_sockaddr = { + .sun_family = AF_UNIX, + // TODO: use a proper socket path + .sun_path = "/tmp/sway.sock" + }; + + unlink(ipc_sockaddr.sun_path); + if (bind(ipc_socket, (struct sockaddr *)&ipc_sockaddr, sizeof(ipc_sockaddr)) == -1) { + sway_abort("Unable to bind IPC socket"); + } + + if (listen(ipc_socket, 3) == -1) { + sway_abort("Unable to listen on IPC socket"); + } + + wlc_event_loop_add_fd(ipc_socket, WLC_EVENT_READABLE, ipc_handle_connection, NULL); +} + +int ipc_handle_connection(int /*fd*/, uint32_t /*mask*/, void */*data*/) { + int client_socket = accept(ipc_socket, NULL, NULL); + if (client_socket == -1) { + char error[256]; + strerror_r(errno, error, sizeof(error)); + sway_log(L_INFO, "Unable to accept IPC client connection: %s", error); + return 0; + } + + char buf[1024]; + if (recv(client_socket, buf, sizeof(buf), 0) == -1) { + char error[256]; + strerror_r(errno, error, sizeof(error)); + sway_log(L_INFO, "Unable to receive from IPC client: %s", error); + close(client_socket); + return 0; + } + + sway_log(L_INFO, "Executing IPC command: %s", buf); + + bool success = handle_command(config, buf); + snprintf(buf, sizeof(buf), "{\"success\":%s}\n", success ? "true" : "false"); + + if (send(client_socket, buf, strlen(buf), 0) == -1) { + char error[256]; + strerror_r(errno, error, sizeof(error)); + sway_log(L_INFO, "Unable to send to IPC client: %s", error); + } + + close(client_socket); + return 0; +} diff --git a/sway/main.c b/sway/main.c index 4a7e13c13..1af1278d2 100644 --- a/sway/main.c +++ b/sway/main.c @@ -9,6 +9,7 @@ #include "config.h" #include "log.h" #include "handlers.h" +#include "ipc.h" static void sigchld_handle(int signal); @@ -99,6 +100,8 @@ int main(int argc, char **argv) { free(config_path); } + init_ipc(); + wlc_run(); if (devnull) { fclose(devnull);