X-Git-Url: https://code.citadel.org/?a=blobdiff_plain;f=webcit-ng%2Fwebserver.c;h=5c3ea0f9ce22ae09e67127ce31c8c8add1990351;hb=HEAD;hp=07109b01d311ad2d3930b7a90b1962d631c89bd3;hpb=00e2e3dd17d17c5b6133dc28551b56d462d663b2;p=citadel.git

diff --git a/webcit-ng/webserver.c b/webcit-ng/webserver.c
deleted file mode 100644
index 07109b01d..000000000
--- a/webcit-ng/webserver.c
+++ /dev/null
@@ -1,148 +0,0 @@
-//
-// webserver.c
-//
-// This module handles the task of setting up a listening socket, accepting
-// connections, and dispatching active connections onto a pool of worker
-// threads.
-//
-// Copyright (c) 1996-2022 by the citadel.org team
-//
-// This program is open source software.  Use, duplication, or
-// disclosure are subject to the GNU General Public License v3.
-
-#include "webcit.h"			// All other headers are included from this header.
-
-int num_threads_executing = 1;		// Number of worker threads currently bound to a connected client
-int num_threads_existing = 1;		// Total number of worker threads that exist right now
-int is_https = 0;			// Set to nonzero if we are running as an HTTPS server today.
-static void *original_brk = NULL;	// Remember the original program break so we can test for leaks
-
-
-// Spawn an additional worker thread into the pool.
-void spawn_another_worker_thread(int *pointer_to_master_socket) {
-	pthread_t th;		// Thread descriptor
-	pthread_attr_t attr;	// Thread attributes
-
-	// set attributes for the new thread
-	pthread_attr_init(&attr);
-	pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
-	pthread_attr_setstacksize(&attr, 1048576);	// Large stacks to prevent MIME parser crash on FreeBSD
-
-	// now create the thread
-	if (pthread_create(&th, &attr, (void *(*)(void *)) worker_entry, (void *) pointer_to_master_socket) != 0) {
-		syslog(LOG_WARNING, "Can't create thread: %s", strerror(errno));
-	}
-	else {
-		++num_threads_existing;
-		++num_threads_executing;
-	}
-
-	// free up the attributes
-	pthread_attr_destroy(&attr);
-}
-
-
-// Entry point for worker threads
-void worker_entry(int *pointer_to_master_socket) {
-	int master_socket = *pointer_to_master_socket;
-	int i = 0;
-	int fail_this_transaction = 0;
-	struct client_handle ch;
-
-	while (1) {
-		// Each worker thread blocks on accept() while waiting for something to do.
-		// We don't have to worry about the "thundering herd" problem on modern kernels; for an explanation see
-		// https://stackoverflow.com/questions/2213779/does-the-thundering-herd-problem-exist-on-linux-anymore
-		memset(&ch, 0, sizeof ch);
-		ch.sock = -1;
-		errno = EAGAIN;
-		do {
-			--num_threads_executing;
-			syslog(LOG_DEBUG, "Additional memory allocated since startup: %d bytes", (int) (sbrk(0) - original_brk));
-			syslog(LOG_DEBUG, "Thread 0x%x calling accept() on master socket %d", (unsigned int) pthread_self(),
-			       master_socket);
-			ch.sock = accept(master_socket, NULL, 0);
-			if (ch.sock < 0) {
-				syslog(LOG_DEBUG, "accept() : %s", strerror(errno));
-			}
-			++num_threads_executing;
-			syslog(LOG_DEBUG, "socket %d is awake , threads executing: %d , threads total: %d", ch.sock,
-			       num_threads_executing, num_threads_existing);
-		} while ((master_socket > 0) && (ch.sock < 0));
-
-		// If all threads are executing, spawn more, up to the maximum
-		if ((num_threads_executing >= num_threads_existing) && (num_threads_existing <= MAX_WORKER_THREADS)) {
-			spawn_another_worker_thread(pointer_to_master_socket);
-		}
-
-		// We have a client.  Do some work.
-
-		// Set the SO_REUSEADDR socket option
-		i = 1;
-		setsockopt(ch.sock, SOL_SOCKET, SO_REUSEADDR, &i, sizeof(i));
-
-		// If we are an HTTPS server, go crypto now.
-		if (is_https) {
-			starttls(&ch);
-			if (ch.ssl_handle == NULL) {
-				fail_this_transaction = 1;
-			}
-		}
-		else {
-			int fdflags;
-			fdflags = fcntl(ch.sock, F_GETFL);
-			if (fdflags < 0) {
-				syslog(LOG_WARNING, "unable to get server socket flags! %s", strerror(errno));
-			}
-		}
-
-		// Perform an HTTP transaction...
-		if (fail_this_transaction == 0) {
-			perform_one_http_transaction(&ch);
-		}
-
-		// Shut down SSL/TLS if required...
-		if (is_https) {
-			endtls(&ch);
-		}
-		// ...and close the socket.
-		//syslog(LOG_DEBUG, "Closing socket %d...", ch.sock);
-		//lingering_close(ch.sock);
-		close(ch.sock);
-		syslog(LOG_DEBUG, "Closed socket %d.", ch.sock);
-	}
-}
-
-
-// Start up a TCP HTTP[S] server on the requested port
-int webserver(char *webserver_interface, int webserver_port, int webserver_protocol) {
-	int master_socket = (-1);
-	original_brk = sbrk(0);
-
-	switch (webserver_protocol) {
-	case WEBSERVER_HTTP:
-		syslog(LOG_DEBUG, "Starting HTTP server on %s:%d", webserver_interface, webserver_port);
-		master_socket = webcit_tcp_server(webserver_interface, webserver_port, 10);
-		break;
-	case WEBSERVER_HTTPS:
-		syslog(LOG_DEBUG, "Starting HTTPS server on %s:%d", webserver_interface, webserver_port);
-		master_socket = webcit_tcp_server(webserver_interface, webserver_port, 10);
-		init_ssl();
-		is_https = 1;
-		break;
-	default:
-		syslog(LOG_ERR, "unknown protocol");
-		;;
-	}
-
-	if (master_socket < 1) {
-		syslog(LOG_ERR, "Unable to bind the web server listening socket");
-		return (1);
-	}
-
-	syslog(LOG_INFO, "Listening on socket %d", master_socket);
-	signal(SIGPIPE, SIG_IGN);
-
-	worker_entry(&master_socket);	// this thread becomes a worker
-	return (0);
-}