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some command parsing

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xfnw 2021-08-18 23:32:05 -04:00
parent 449af0889c
commit 44bd07ea06
1 changed files with 37 additions and 4 deletions
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41
fbflut.c
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@ -16,11 +16,41 @@ uint32_t *fbdata;
void *handle_connection(void *socket_desc) { void *handle_connection(void *socket_desc) {
int sock = *(int*)socket_desc; int sock = *(int*)socket_desc;
int read_size; int read_size, read_to;
char *message, client_message[25]; char *message, *command, client_message[36];
message = "doug doug doug"; while ((read_size = recv(sock, client_message, 36, MSG_PEEK)) > 0) {
write(sock, message, strlen(message)); read_to = (char *)strchrnul(client_message, '\n')-client_message;
memset(client_message, 0, 36);
read_size = recv(sock, client_message, read_to+1, 0);
command = strtok(client_message, " \n");
if (command == NULL) continue;
if (!strcmp("PX", command)) {
int xpos = atoi(strtok(NULL, " \n"));
int ypos = atoi(strtok(NULL, " \n"));
int color = (int)strtol(strtok(NULL, " \n"), NULL, 16);
if (xpos >= 0 && ypos >= 0 && xpos <= fb_width && ypos <= fb_height) {
}
continue;
}
if (!strcmp("SIZE", command)) {
message = calloc(sizeof(char), 36);
sprintf(message, "SIZE %i %i\n\0", fb_width, fb_height);
write(sock, message, strlen(message));
continue;
}
if (!strcmp("HELP", command)) {
message = "HELP\nSIZE\nPX x y [rrggbb[aa]]\n";
write(sock, message, strlen(message));
continue;
}
memset(client_message, 0, 36);
}
return 0; return 0;
} }
@ -33,6 +63,9 @@ int main(int argc, char *argv[]) {
port = 1234; port = 1234;
fbfd = open("/dev/fb0", O_RDWR); fbfd = open("/dev/fb0", O_RDWR);
printf("\e[?25l");
if (fbfd >= 0) { if (fbfd >= 0) {
struct fb_var_screeninfo vinfo; struct fb_var_screeninfo vinfo;