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#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/param.h>
#include <vali.h>
#include "ipc.h"
#include "ipc-gen.h"
static void usage(void) {
fprintf(stderr, "Usage: kanshictl [command]\n"
"\n"
"Commands:\n"
" reload Reload the configuration file\n"
" switch <profile> Switch to another profile\n"
" status Print current state\n");
}
static void print_ipc_error(const struct vali_error *err) {
if (strcmp(err->name, "fr.emersion.kanshi.ProfileNotFound") == 0) {
fprintf(stderr, "Profile not found\n");
} else if (strcmp(err->name, "fr.emersion.kanshi.ProfileNotMatched") == 0) {
fprintf(stderr, "Profile does not match the current output configuration\n");
} else if (strcmp(err->name, "fr.emersion.kanshi.ProfileNotApplied") == 0) {
fprintf(stderr, "Profile could not be applied by the compositor\n");
} else {
fprintf(stderr, "Error: %s\n", err->name);
}
}
int main(int argc, char *argv[]) {
if (argc < 2) {
usage();
return EXIT_FAILURE;
}
if (strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help") == 0) {
usage();
return EXIT_SUCCESS;
}
char path[PATH_MAX];
if (get_ipc_path(path, sizeof(path)) < 0) {
return EXIT_FAILURE;
}
struct vali_client *client = vali_client_connect_unix(path);
if (client == NULL) {
fprintf(stderr, "Couldn't connect to kanshi at %s.\n"
"Is the kanshi daemon running?\n", path);
return EXIT_FAILURE;
}
const char *command = argv[1];
bool ok;
struct vali_error err = {0};
if (strcmp(command, "reload") == 0) {
ok = ipc_Reload(client, NULL, NULL, &err);
} else if (strcmp(command, "status") == 0) {
struct ipc_Status_out out = {0};
ok = ipc_Status(client, NULL, &out, &err);
if (ok) {
printf("Current profile: %s\n", out.current_profile ? out.current_profile : "(none)");
if (out.pending_profile != NULL &&
(out.current_profile == NULL || strcmp(out.pending_profile, out.current_profile) != 0)) {
printf("Pending profile: %s\n", out.pending_profile);
}
}
ipc_Status_out_finish(&out);
} else if (strcmp(command, "switch") == 0) {
if (argc < 3) {
usage();
return EXIT_FAILURE;
}
const struct ipc_Switch_in in = {
.profile = argv[2],
};
ok = ipc_Switch(client, &in, NULL, &err);
} else {
fprintf(stderr, "invalid command: %s\n", argv[1]);
usage();
return EXIT_FAILURE;
}
vali_client_destroy(client);
if (!ok) {
if (err.name != NULL) {
print_ipc_error(&err);
} else {
fprintf(stderr, "IPC error\n");
}
vali_error_finish(&err);
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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