Rework the IPC-Code
This commit is contained in:
Axel Wagner
parent
02df973564
commit
fb2afacce3
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@ -2,13 +2,10 @@
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#define IPC_H_
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#include <ev.h>
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#include <stdint.h>
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ev_io* i3_events;
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ev_io* outputs_watcher;
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ev_io* workspaces_watcher;
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void init_i3(const char* socket_path);
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void get_outputs_json(void (*callback)(char*, void*), void* params);
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void get_workspaces_json(void (*callback)(char*, void*), void* params);
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int init_connection(const char *socket_path);
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int i3_send_msg(uint32_t type, const char* payload);
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void subscribe_events();
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#endif
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@ -8,7 +8,7 @@ typedef struct i3_output_t i3_output;
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i3_output* outputs;
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void refresh_outputs();
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void parse_outputs_json(char* json);
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void free_outputs();
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i3_output* get_output_by_name(char* name);
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@ -8,7 +8,7 @@ typedef struct i3_ws_t i3_ws;
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i3_ws* workspaces;
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void refresh_workspaces();
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void parse_workspaces_json();
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void free_workspaces();
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struct i3_ws_t {
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354
i3bar/src/ipc.c
354
i3bar/src/ipc.c
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@ -1,24 +1,19 @@
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#include <stdlib.h>
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#include <stdio.h>
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#include <ev.h>
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#include <unistd.h>
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#include <stdint.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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#include <string.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <i3/ipc.h>
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#include "common.h"
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#include "outputs.h"
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#include "workspaces.h"
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#include "ipc.h"
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struct callback_t {
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void (*callback)(char*, void*);
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void* params;
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struct callback_t* next;
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};
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ev_io* i3_connection;
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struct callback_t* outputs_cb_queue;
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struct callback_t* workspaces_cb_queue;
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typedef void(*handler_t)(char*);
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int get_ipc_fd(const char* socket_path) {
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int sockfd = socket(AF_LOCAL, SOCK_STREAM, 0);
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@ -38,271 +33,164 @@ int get_ipc_fd(const char* socket_path) {
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return sockfd;
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}
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void get_outputs_cb(struct ev_loop* loop, ev_io *watcher, int revents) {
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void got_command_reply(char *reply) {
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}
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void init_i3(const char* socket_path) {
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int sockfd = get_ipc_fd(socket_path);
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struct get_outputs_callback* cb = malloc(sizeof(struct get_outputs_callback));
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cb->callback = callback;
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cb->params = params;
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ev_io* get_outputs_write = malloc(sizeof(ev_io));
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ev_io_init(get_outputs_write, &get_outputs_write_cb, sockfd, EV_WRITE);
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get_outputs_write->data = (void*) cb;
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ev_io_start(main_loop, get_outputs_write);
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ev_io* get_outputs_read = malloc(sizeof(ev_io));
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ev_io_init(get_outputs_read, &get_outputs_read_cb, sockfd, EV_READ);
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get_outputs_read->data = (void*) cb;
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ev_io_start(main_loop, get_outputs_read);
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void got_workspace_reply(char *reply) {
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printf("Got Workspace-Data!\n");
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parse_workspaces_json(reply);
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}
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void get_outputs_write_cb(struct ev_loop* loop, ev_io *watcher, int revents) {
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ev_io_stop(loop, watcher);
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int buffer_size = strlen(I3_IPC_MAGIC) + sizeof(uint32_t) + sizeof(uint32_t);
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char msg[buffer_size];
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char *walk = msg;
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uint32_t msg_size = 0;
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uint32_t msg_type = I3_IPC_MESSAGE_TYPE_GET_OUTPUTS;
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int sockfd = watcher->fd;
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strcpy(walk, I3_IPC_MAGIC);
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walk += strlen(I3_IPC_MAGIC);
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memcpy(walk, &msg_size, sizeof(uint32_t));
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walk += sizeof(uint32_t);
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memcpy(walk, &msg_type, sizeof(uint32_t));
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int sent_bytes = 0;
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int bytes_to_go = buffer_size;
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while (sent_bytes < bytes_to_go) {
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int n = write(sockfd, msg + sent_bytes, bytes_to_go);
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if (n == -1) {
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printf("ERROR: write() failed!\n");
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exit(EXIT_FAILURE);
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}
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sent_bytes += n;
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bytes_to_go -= n;
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}
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FREE(watcher);
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void got_subscribe_reply(char *reply) {
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printf("Got Subscribe Reply: %s\n", reply);
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}
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void get_outputs_read_cb(struct ev_loop* loop, ev_io *watcher, int revents) {
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ev_io_stop(loop, watcher);
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int to_read = strlen(I3_IPC_MAGIC) + sizeof(uint32_t) + sizeof(uint32_t);
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char msg[to_read];
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char *walk = msg;
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int sockfd = watcher->fd;
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uint8_t *reply;
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struct get_outputs_callback* cb = watcher->data;
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uint32_t reply_length;
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uint32_t read_bytes = 0;
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while (read_bytes < to_read) {
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int n = read(sockfd, msg + read_bytes, to_read);
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if (n == -1) {
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printf("ERROR: read() failed!\n");
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exit(EXIT_FAILURE);
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}
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if (n == 0) {
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printf("ERROR: No reply!\n");
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exit(EXIT_FAILURE);
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}
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read_bytes += n;
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to_read -= n;
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}
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if (memcmp(walk, I3_IPC_MAGIC, strlen(I3_IPC_MAGIC)) != 0) {
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printf("ERROR: Wrong magic!\n");
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exit(EXIT_FAILURE);
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}
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walk += strlen(I3_IPC_MAGIC);
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reply_length = *((uint32_t*) walk);
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walk += sizeof(uint32_t);
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if (*((uint32_t*) walk) != I3_IPC_MESSAGE_TYPE_GET_OUTPUTS) {
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printf("ERROR: Wrong reply type (%d) expected %d!\n",
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*((uint32_t*) walk),
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I3_IPC_MESSAGE_TYPE_GET_OUTPUTS);
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exit(EXIT_FAILURE);
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}
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walk += sizeof(uint32_t);
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reply = malloc(reply_length);
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if (reply == NULL) {
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printf("ERROR: malloc() failed!\n");
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exit(EXIT_FAILURE);
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}
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to_read = reply_length;
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read_bytes = 0;
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while (read_bytes < to_read) {
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int n = read(sockfd, reply + read_bytes, to_read);
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if (n == -1) {
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printf("ERROR: read() failed!\n");
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exit(EXIT_FAILURE);
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}
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read_bytes += n;
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to_read -= n;
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}
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cb->callback((char*) reply, cb->params);
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FREE(cb);
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FREE(watcher);
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void got_output_reply(char *reply) {
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parse_outputs_json(reply);
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printf("Got Outputs-Data!\n");
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}
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void get_outputs_json(void (*callback)(char*, void*), void* params) {
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}
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struct get_workspaces_callback {
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void (*callback)(char*, void*);
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void* params;
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handler_t reply_handlers[] = {
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&got_command_reply,
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&got_workspace_reply,
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&got_subscribe_reply,
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&got_output_reply,
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};
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void get_workspaces_write_cb(struct ev_loop* loop, ev_io *watcher, int revents) {
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ev_io_stop(loop, watcher);
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//FREE(watcher);
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int buffer_size = strlen(I3_IPC_MAGIC) + sizeof(uint32_t) + sizeof(uint32_t);
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char msg[buffer_size];
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char *walk = msg;
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uint32_t msg_size = 0;
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uint32_t msg_type = I3_IPC_MESSAGE_TYPE_GET_WORKSPACES;
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int sockfd = watcher->fd;
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strcpy(walk, I3_IPC_MAGIC);
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walk += strlen(I3_IPC_MAGIC);
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memcpy(walk, &msg_size, sizeof(uint32_t));
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walk += sizeof(uint32_t);
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memcpy(walk, &msg_type, sizeof(uint32_t));
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int sent_bytes = 0;
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int bytes_to_go = buffer_size;
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while (sent_bytes < bytes_to_go) {
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int n = write(sockfd, msg + sent_bytes, bytes_to_go);
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if (n == -1) {
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printf("ERROR: write() failed!\n");
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exit(EXIT_FAILURE);
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}
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sent_bytes += n;
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bytes_to_go -= n;
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}
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FREE(watcher);
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void got_workspace_event(char *event) {
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printf("Got Workspace Event!\n");
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i3_send_msg(I3_IPC_MESSAGE_TYPE_GET_WORKSPACES, NULL);
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}
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void get_workspaces_read_cb(struct ev_loop* loop, ev_io *watcher, int revents) {
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ev_io_stop(loop, watcher);
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//FREE(watcher);
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void got_output_event(char *event) {
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printf("Got Output Event!\n");
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i3_send_msg(I3_IPC_MESSAGE_TYPE_GET_OUTPUTS, NULL);
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}
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int to_read = strlen(I3_IPC_MAGIC) + sizeof(uint32_t) + sizeof(uint32_t);
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char msg[to_read];
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char *walk = msg;
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int sockfd = watcher->fd;
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uint8_t *reply;
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struct get_workspaces_callback* cb = watcher->data;
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handler_t event_handlers[] = {
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&got_workspace_event,
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&got_output_event
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};
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uint32_t reply_length;
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void got_data(struct ev_loop *loop, ev_io *watcher, int events) {
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printf("Got data!\n");
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int fd = watcher->fd;
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uint32_t header_len = strlen(I3_IPC_MAGIC) + sizeof(uint32_t)*2;
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char *header = malloc(header_len);
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if (header == NULL) {
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printf("ERROR: Could not allocate memory!\n");
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exit(EXIT_FAILURE);
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}
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uint32_t read_bytes = 0;
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while (read_bytes < to_read) {
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int n = read(sockfd, msg + read_bytes, to_read);
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uint32_t rec = 0;
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while (rec < header_len) {
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int n = read(fd, header + rec, header_len - rec);
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if (n == -1) {
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printf("ERROR: read() failed!\n");
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exit(EXIT_FAILURE);
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}
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if (n == 0) {
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printf("ERROR: No reply!\n");
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printf("ERROR: Nothing to read!\n");
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exit(EXIT_FAILURE);
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}
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read_bytes += n;
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to_read -= n;
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rec += n;
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}
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if (memcmp(walk, I3_IPC_MAGIC, strlen(I3_IPC_MAGIC)) != 0) {
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printf("ERROR: Wrong magic!\n");
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if (strncmp(header, I3_IPC_MAGIC, strlen(I3_IPC_MAGIC))) {
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printf("ERROR: Wrong magic code: %.*s\n Expected: %s\n",
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(int) strlen(I3_IPC_MAGIC),
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header,
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I3_IPC_MAGIC);
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exit(EXIT_FAILURE);
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}
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walk += strlen(I3_IPC_MAGIC);
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reply_length = *((uint32_t*) walk);
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char *walk = header + strlen(I3_IPC_MAGIC);
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uint32_t size = *((uint32_t*) walk);
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walk += sizeof(uint32_t);
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if (*((uint32_t*) walk) != I3_IPC_MESSAGE_TYPE_GET_WORKSPACES) {
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printf("ERROR: Wrong reply type (%d) expected %d!\n",
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*((uint32_t*) walk),
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I3_IPC_MESSAGE_TYPE_GET_WORKSPACES);
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uint32_t type = *((uint32_t*) walk);
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char *buffer = malloc(size + 1);
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if (buffer == NULL) {
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printf("ERROR: Could not allocate memory!\n");
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exit(EXIT_FAILURE);
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}
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walk += sizeof(uint32_t);
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rec = 0;
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reply = malloc(reply_length);
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if (reply == NULL) {
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printf("ERROR: malloc() failed!\n");
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exit(EXIT_FAILURE);
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}
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to_read = reply_length;
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read_bytes = 0;
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while (read_bytes < to_read) {
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int n = read(sockfd, reply + read_bytes, to_read);
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while (rec < size) {
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int n = read(fd, buffer + rec, size - rec);
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if (n == -1) {
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printf("ERROR: read() failed!\n");
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exit(EXIT_FAILURE);
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}
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read_bytes += n;
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to_read -= n;
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if (n == 0) {
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printf("ERROR: Nothing to read!\n");
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exit(EXIT_FAILURE);
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}
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rec += n;
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}
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buffer[size] = '\0';
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cb->callback((char*) reply, cb->params);
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FREE(cb);
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if (type & (1 << 31)) {
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type ^= 1 << 31;
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event_handlers[type](buffer);
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} else {
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reply_handlers[type](buffer);
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}
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FREE(watcher);
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FREE(buffer);
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}
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void get_workspaces_json(void (*callback)(char*, void*), void* params) {
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socket_path = "/home/mero/.i3/ipc.sock";
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int i3_send_msg(uint32_t type, const char* payload) {
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uint32_t len = 0;
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if (payload != NULL) {
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len = strlen(payload);
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}
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int sockfd = socket(AF_LOCAL, SOCK_STREAM, 0);
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if (sockfd == -1) {
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printf("ERROR: Could not create Socket!\n");
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uint32_t to_write = strlen (I3_IPC_MAGIC) + sizeof(uint32_t)*2 + len;
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char *buffer = malloc(to_write);
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if (buffer == NULL) {
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printf("ERROR: Could not allocate memory\n");
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exit(EXIT_FAILURE);
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}
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struct sockaddr_un addr;
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memset(&addr, 0, sizeof(struct sockaddr_un));
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addr.sun_family = AF_LOCAL;
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strcpy(addr.sun_path, socket_path);
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if (connect(sockfd, (const struct sockaddr*) &addr, sizeof(struct sockaddr_un)) < 0) {
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printf("ERROR: Could not connct to i3\n");
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exit(EXIT_FAILURE);
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char *walk = buffer;
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strncpy(buffer, I3_IPC_MAGIC, strlen(I3_IPC_MAGIC));
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walk += strlen(I3_IPC_MAGIC);
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memcpy(walk, &len, sizeof(uint32_t));
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walk += sizeof(uint32_t);
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memcpy(walk, &type, sizeof(uint32_t));
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walk += sizeof(uint32_t);
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strncpy(walk, payload, len);
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uint32_t written = 0;
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while (to_write > 0) {
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int n = write(i3_connection->fd, buffer + written, to_write);
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if (n == -1) {
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printf("ERROR: write() failed!\n");
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exit(EXIT_FAILURE);
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}
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to_write -= n;
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written += n;
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}
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struct get_workspaces_callback* cb = malloc(sizeof(struct get_workspaces_callback));
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cb->callback = callback;
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cb->params = params;
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FREE(buffer);
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ev_io* get_workspaces_write = malloc(sizeof(ev_io));
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ev_io_init(get_workspaces_write, &get_workspaces_write_cb, sockfd, EV_WRITE);
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get_workspaces_write->data = (void*) cb;
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ev_io_start(main_loop, get_workspaces_write);
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ev_io* get_workspaces_read = malloc(sizeof(ev_io));
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ev_io_init(get_workspaces_read, &get_workspaces_read_cb, sockfd, EV_READ);
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get_workspaces_read->data = (void*) cb;
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ev_io_start(main_loop, get_workspaces_read);
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return 1;
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}
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int init_connection(const char *socket_path) {
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int sockfd = get_ipc_fd(socket_path);
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i3_connection = malloc(sizeof(ev_io));
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ev_io_init(i3_connection, &got_data, sockfd, EV_READ);
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ev_io_start(main_loop, i3_connection);
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return 1;
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}
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void subscribe_events() {
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i3_send_msg(I3_IPC_MESSAGE_TYPE_SUBSCRIBE, "[ \"workspace\", \"output\" ]");
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}
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@ -1,21 +1,21 @@
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <ev.h>
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#include "ipc.h"
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#include "outputs.h"
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#include "workspaces.h"
|
||||
#include "common.h"
|
||||
#include "xcb.h"
|
||||
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
#include <ev.h>
|
||||
|
||||
int main(int argc, char **argv) {
|
||||
main_loop = ev_default_loop(0);
|
||||
|
||||
init_xcb();
|
||||
init_connection("/home/mero/.i3/ipc.sock");
|
||||
|
||||
refresh_outputs(&create_windows, NULL);
|
||||
refresh_workspaces(NULL, NULL);
|
||||
subscribe_events();
|
||||
|
||||
ev_loop(main_loop, 0);
|
||||
|
||||
|
|
@ -24,6 +24,5 @@ int main(int argc, char **argv) {
|
|||
free_outputs();
|
||||
free_workspaces();
|
||||
|
||||
//sleep(5);
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,6 +1,7 @@
|
|||
#include <string.h>
|
||||
#include <stdlib.h>
|
||||
#include <stdio.h>
|
||||
#include <i3/ipc.h>
|
||||
|
||||
#include <yajl/yajl_parse.h>
|
||||
|
||||
|
|
@ -13,8 +14,6 @@ struct outputs_json_params {
|
|||
i3_output* outputs_walk;
|
||||
char* cur_key;
|
||||
char* json;
|
||||
void (*callback)(void*);
|
||||
void* cb_params;
|
||||
};
|
||||
|
||||
static int outputs_null_cb(void* params_) {
|
||||
|
|
@ -144,18 +143,20 @@ yajl_callbacks outputs_callbacks = {
|
|||
NULL
|
||||
};
|
||||
|
||||
void got_outputs_json_cb(char* json, void* params_) {
|
||||
void parse_outputs_json(char* json) {
|
||||
/* FIXME: Fasciliate stream-processing, i.e. allow starting to interpret
|
||||
* JSON in chunks */
|
||||
struct outputs_json_params* params = (struct outputs_json_params*) params_;
|
||||
struct outputs_json_params params;
|
||||
params.outputs = NULL;
|
||||
params.outputs_walk = NULL;
|
||||
params.cur_key = NULL;
|
||||
params.json = json;
|
||||
|
||||
yajl_handle handle;
|
||||
yajl_parser_config parse_conf = { 0, 0 };
|
||||
yajl_status state;
|
||||
|
||||
params->json = json;
|
||||
|
||||
handle = yajl_alloc(&outputs_callbacks, &parse_conf, NULL, (void*) params);
|
||||
handle = yajl_alloc(&outputs_callbacks, &parse_conf, NULL, (void*) ¶ms);
|
||||
|
||||
state = yajl_parse(handle, (const unsigned char*) json, strlen(json));
|
||||
|
||||
|
|
@ -174,27 +175,7 @@ void got_outputs_json_cb(char* json, void* params_) {
|
|||
yajl_free(handle);
|
||||
|
||||
free_outputs();
|
||||
outputs = params->outputs;
|
||||
|
||||
if (params->callback != NULL) {
|
||||
params->callback(params->cb_params);
|
||||
}
|
||||
|
||||
FREE(params->json);
|
||||
FREE(params);
|
||||
}
|
||||
|
||||
void refresh_outputs(void (*callback)(void*), void* cb_params) {
|
||||
struct outputs_json_params* params = malloc(sizeof(struct outputs_json_params));
|
||||
|
||||
params->outputs = NULL;
|
||||
params->outputs_walk = NULL;
|
||||
params->cur_key = NULL;
|
||||
params->json = NULL;
|
||||
params->callback = callback;
|
||||
params->cb_params = cb_params;
|
||||
|
||||
get_outputs_json(&got_outputs_json_cb, params);
|
||||
outputs = params.outputs;
|
||||
}
|
||||
|
||||
void free_outputs() {
|
||||
|
|
@ -209,7 +190,7 @@ void free_outputs() {
|
|||
|
||||
i3_output* get_output_by_name(char* name) {
|
||||
if (outputs == NULL) {
|
||||
refresh_outputs(NULL, NULL);
|
||||
i3_send_msg(I3_IPC_MESSAGE_TYPE_GET_OUTPUTS, NULL);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -91,6 +91,7 @@ static int workspaces_integer_cb(void* params_, long val) {
|
|||
}
|
||||
|
||||
static int workspaces_string_cb(void* params_, const unsigned char* val, unsigned int len) {
|
||||
|
||||
struct workspaces_json_params* params = (struct workspaces_json_params*) params_;
|
||||
|
||||
char* output_name;
|
||||
|
|
@ -151,6 +152,10 @@ static int workspaces_map_key_cb(void* params_, const unsigned char* keyVal, uns
|
|||
FREE(params->cur_key);
|
||||
|
||||
params->cur_key = malloc(sizeof(unsigned char) * (keyLen + 1));
|
||||
if (params->cur_key == NULL) {
|
||||
printf("ERROR: Could not allocate memory!\n");
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
strncpy(params->cur_key, (const char*) keyVal, keyLen);
|
||||
params->cur_key[keyLen] = '\0';
|
||||
|
||||
|
|
@ -171,18 +176,20 @@ yajl_callbacks workspaces_callbacks = {
|
|||
NULL
|
||||
};
|
||||
|
||||
void got_workspaces_json_cb(char* json, void* params_) {
|
||||
void parse_workspaces_json(char* json) {
|
||||
/* FIXME: Fasciliate stream-processing, i.e. allow starting to interpret
|
||||
* JSON in chunks */
|
||||
struct workspaces_json_params* params = (struct workspaces_json_params*) params_;
|
||||
struct workspaces_json_params params;
|
||||
params.workspaces = NULL;
|
||||
params.workspaces_walk = NULL;
|
||||
params.cur_key = NULL;
|
||||
params.json = json;
|
||||
|
||||
yajl_handle handle;
|
||||
yajl_parser_config parse_conf = { 0, 0 };
|
||||
yajl_status state;
|
||||
|
||||
params->json = json;
|
||||
|
||||
handle = yajl_alloc(&workspaces_callbacks, &parse_conf, NULL, (void*) params);
|
||||
handle = yajl_alloc(&workspaces_callbacks, &parse_conf, NULL, (void*) ¶ms);
|
||||
|
||||
state = yajl_parse(handle, (const unsigned char*) json, strlen(json));
|
||||
|
||||
|
|
@ -201,21 +208,9 @@ void got_workspaces_json_cb(char* json, void* params_) {
|
|||
yajl_free(handle);
|
||||
|
||||
free_workspaces();
|
||||
workspaces = params->workspaces;
|
||||
workspaces = params.workspaces;
|
||||
|
||||
FREE(params->json);
|
||||
FREE(params);
|
||||
}
|
||||
|
||||
void refresh_workspaces() {
|
||||
struct workspaces_json_params* params = malloc(sizeof(struct workspaces_json_params));
|
||||
|
||||
params->workspaces = NULL;
|
||||
params->workspaces_walk = NULL;
|
||||
params->cur_key = NULL;
|
||||
params->json = NULL;
|
||||
|
||||
get_workspaces_json(&got_workspaces_json_cb, params);
|
||||
FREE(params.cur_key);
|
||||
}
|
||||
|
||||
void free_workspaces() {
|
||||
|
|
|
|||
Loading…
Reference in New Issue