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#include <stdio.h>
#include <stdlib.h>
#include <sys/mman.h>
#include "str/str.h"
#include "ipc/ipc.h"
#include "net/net.h"
ipc_listener *listener;
http_worker *worker;
int secure;
str rewritesfile;
str certfile;
str keyfile;
struct pollfd fds[2] = {0};
// make int for errors?
void handle_message(ipc_msg im){
log_debug("received message: [%d] (%d) %s", im.type, im.msg.len, im.msg.ptr);
switch(im.type){
case NONE: break;
case SOCKET:
if(worker != NULL){
destroy_http_worker(&worker);
}
int ssocket = strtou(im.msg);
worker = setup_http_worker(ssocket, secure, certfile, keyfile);
fds[1] = (struct pollfd){ .fd = worker->ssocket, .events = POLLIN };
break;
case REWRITES:
int fsize = get_file_size(im.msg.ptr);
int fd = open(im.msg.ptr, O_RDONLY | O_NONBLOCK);
char *rewrites = mmap(NULL, fsize, PROT_READ, MAP_SHARED, fd, 0);
if(rewrites == (void*)-1){
log_error("cant mmap rewrites: %s", strerror(errno));
return;
}
if(read_uri_rewrites(rewrites, fsize) != 0){
log_error("init: read_uri_rewrites: %s", strerror(errno));
return;
}
munmap(rewritesfile.ptr, fsize);
close(fd);
break;
case CERT:
// look into reinitializing the worker when receiving this
free_str(&certfile);
certfile = dup_str(im.msg);
break;
case KEY:
// look into reinitializing the worker when receiving this
free_str(&keyfile);
keyfile = dup_str(im.msg);
break;
case RESTART:
char *args[] = {"./worker.exe", listener->saddr.ptr, NULL};
execv("./worker.exe", args);
log_error("Cannot restart worker: %s", strerror(errno));
return;
break;
case RELOAD:
// re-reads config
break;
case HTTP:
log_info("received http signal");
if(secure != 0){
secure = 0;
terminate_https(worker);
}
break;
case HTTPS:
log_info("received https signal");
if(secure == 0){
secure = 1;
setup_https(worker, certfile, keyfile);
}
break;
case LOG:
break;
case UNLOG:
break;
default:
break;
}
}
int main(int argc, char **argv){
int return_value = 0;
listener = setup_ipc_listener((str){.cap = 0, .len = len(argv[1]), .ptr = argv[1]});
if(listener == NULL){
log_error("Can't set up ipc listener on worker %d", getpid());
return_value = 1;
goto DEINIT;
}
log_info("init'd");
bool end = false;
log_debug("erm");
str request = {.cap = 8192, .len = 0, .ptr = alloca(8192)};
fds[0] = (struct pollfd){ .fd = listener->csocket, .events = POLLIN };
int r;
while((r = poll(fds, 2, 0)) != -1){
if(r > 0){
log_info("[%d] %d\t-\t%d", fds[1].fd, fds[1].events & POLLIN, fds[1].revents & POLLIN);
}
if(fds[0].revents & POLLIN){
ipc_msg msg = receive_ipc_message(listener);
handle_message(msg);
free_ipc_message(&msg);
continue;
}else if(fds[0].revents & POLLHUP){
// end? or something idk
}else if(fds[1].revents & POLLIN){
log_info("ermmm");
char cip[INET_ADDRSTRLEN] = {0};
return_value = accept_connection(worker, cip);
switch(return_value){
case -1: // couldnt accept, do something ig
continue;
case SSL_ERROR_SSL:
reset_https(worker);
log_info("continuing\n");
continue;
}
log_info("socket %d accepted with ip %s", worker->csocket, cip);
return_value = receive_request(worker, &request);
switch(return_value){
case -1: // couldnt accept, do something ig
continue;
case SSL_ERROR_SSL:
reset_https(worker);
log_info("continuing\n");
continue;
}
printf("'%.*s'\n", request.len, request.ptr);
struct http_message hm = {0};
build_http_message(request.ptr, request.len, &hm);
log_info("uri before: %.*s", hm.uri.len, hm.uri.ptr);
struct uri suri = sanitize_uri(hm.uri);
log_info("uri after: %.*s", suri.path.len, suri.path.ptr);
enum http_method method = get_http_method(hm.method);
switch(method){
case GET:
struct file resource = generate_resource(suri, hm.uri);
send_file(worker, resource.name);
//if(resource.temp == true) remove(resource.name.ptr);
free_str(&resource.name);
break;
case POST:
//handlePOST(request);
send(worker->csocket, "HTTP/1.1 201 Created\r\n\r\n", len("HTTP/1.1 201 Created\r\n\r\n"), 0);
break;
case PUT:
break;
case DELETE:
break;
default:
break;
}
free_str(&suri.path);
free_str(&suri.query);
log_debug("query freed");
request.len = 0;
if(worker->secure){
SSL_clear(worker->ssl);
}
close(worker->csocket);
//SSL_shutdown(config.ssl); // look into SSL_clear()
log_debug("end of loop");
}else if(fds[1].revents & POLLHUP){
// like restart the worker
}
}
DEINIT:
log_info("dieing :(");
destroy_ipc_listener(&listener);
destroy_http_worker(&worker);
free_str(&rewritesfile);
free_uri_rewrites();
return return_value;
}
/*
struct timespec t_start, t_end;
#define start_timing() clock_gettime(CLOCK_MONOTONIC, &t_start)
#define end_timing() clock_gettime(CLOCK_MONOTONIC, &t_end)
double get_timing(void){
uint64_t diff = (t_end.tv_sec*1000000000 + t_end.tv_nsec) - (t_start.tv_sec*1000000000 + t_start.tv_nsec);
return diff/1000000000.0;
}
*/
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