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moved socket query to ipc-client.c since it's a common resource, required for both sway and swaymsg

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mazunki 2022-03-18 04:56:57 +01:00
parent 08cd8ee5cb
commit fc783ba069
2 changed files with 41 additions and 35 deletions
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37
common/ipc-client.c
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@ -13,6 +13,25 @@ static const char ipc_magic[] = {'i', '3', '-', 'i', 'p', 'c'};
#define IPC_HEADER_SIZE (sizeof(ipc_magic) + 8)
int query_for_swaypid(char *xdg_runtime_dir) {
if (xdg_runtime_dir != NULL) {
char pidline[1024];
char *pid;
FILE *fp = popen("pidof sway", "r");
fgets(pidline, 1024, fp);
pid = strtok(pidline, " ");
int sway_pid = atoi(pid);
if (strtok(NULL, " ") != NULL) {
return -1;
} else {
return sway_pid;
}
} else {
exit(EXIT_FAILURE);
};
}
char *get_socketpath(void) {
const char *swaysock = getenv("SWAYSOCK");
if (swaysock) {
@ -46,10 +65,28 @@ char *get_socketpath(void) {
if (line[nret - 1] == '\n') {
line[nret - 1] = '\0';
}
free(line);
return line;
}
}
free(line);
if (getenv("XDG_RUNTIME_DIR") && getuid()) {
int swaypid = query_for_swaypid(getenv("XDG_RUNTIME_DIR"));
if (swaypid > 0) {
size_t path_sz = snprintf(NULL, 0, "%s/sway-ipc.%u.%i.sock", getenv("XDG_RUNTIME_DIR"), getuid(), swaypid);
char *swaysock_runtime = malloc(path_sz+1);
snprintf(swaysock_runtime, path_sz+1, "%s/sway-ipc.%u.%i.sock", getenv("XDG_RUNTIME_DIR"), getuid(), swaypid);
if (access(swaysock_runtime, F_OK) != -1) {
return strdup(swaysock_runtime);
} else {
fprintf(stderr, "sway socket not detected.\n"); // found a pid, but no socket file
}
} else {
fprintf(stderr, "Found more than one sway instance running.\n");
exit(EXIT_FAILURE);
}
}
return NULL;
}