Sent port index with the message

src/connections.c

@@ -346,7 +346,7 @@ static int processChar(Connection *conn, char c, Sitefile *site) {
 			if (--conn->currLineLen < 0)
 				return 1;
 			if (conn->currLine[conn->currLineLen] != '\r')
-				return 1;
+				++conn->currLineLen;
 			conn->currLine[conn->currLineLen] = '\0';
 			if (conn->progress == RECEIVE_REQUEST) {
 				if (processRequest(conn))

src/main.c

@@ -42,11 +42,10 @@ typedef struct {
 
 static Runner *runners;
 static int processes;
-static int *pending;
+static volatile int *pending;
 static Sitefile *site;
 static int mainfd; /* fd of the UNIX socket */
 static struct sockaddr_un addr;
-static volatile ConnInfo *conninfo;
 /* We want to be able to handle a signal at any time, so some global variables
  * are needed. */
 static const int signals[] = {
@@ -99,7 +98,7 @@ static void createProcess(int id) {
 		exit(EXIT_FAILURE);
 	}
 	close(mainfd);
-	runServer(connfd, site, pending, id, conninfo);
+	runServer(connfd, site, pending, id);
 	createLog("child runServer() finished");
 	exit(EXIT_SUCCESS);
 }
@@ -123,7 +122,6 @@ int main(int argc, char **argv) {
 	int i;
 	int pendingid;
 	int backlog;
-	int conninfoid;
 	Listener **listeners;
 	struct pollfd *pollfds;
 
@@ -153,18 +151,8 @@ int main(int argc, char **argv) {
 		exit(EXIT_FAILURE);
 	}
 
-	conninfoid = smalloc(sizeof *conninfo);
-	if (conninfoid < 0) {
-		createErrorLog("smalloc() failed", errno);
-		exit(EXIT_FAILURE);
-	}
-	conninfo = saddr(conninfoid);
-	if (conninfo == NULL) {
-		createErrorLog("saddr() failed", errno);
-		exit(EXIT_FAILURE);
-	}
-
-	memset(pending, 0, sizeof(int) * (processes - 1));
+	for (i = 0; i < processes - 1; ++i)
+		pending[i] = 0;
 
 	mainfd = socket(AF_UNIX, SOCK_STREAM, 0);
 	addr.sun_family = AF_UNIX;
@@ -188,6 +176,7 @@ int main(int argc, char **argv) {
 	createLog("swebs started");
 
 	for (;;) {
+		createLog("poll() started");
 		if (poll(pollfds, site->portcount, -1) < 0) {
 			if (errno == EINTR)
 				continue;
@@ -202,14 +191,11 @@ int main(int argc, char **argv) {
 			if (pollfds[i].revents & POLLIN) {
 				int j, lowestproc, fd;
 				fd = acceptConnection(listeners[i]);
-				while (conninfo->valid) ;
 				lowestproc = 0;
 				for (j = 0; j < processes - 1; j++)
 					if (pending[j] < pending[lowestproc])
 						lowestproc = j;
-				conninfo->portind = i;
-				conninfo->valid = 1;
-				sendFd(fd, runners[lowestproc].fd);
+				sendFd(fd, runners[lowestproc].fd, &i, sizeof i);
 			}
 		}
 	}

src/runner.c

@@ -31,8 +31,7 @@
 #include <swebs/sitefile.h>
 #include <swebs/connections.h>
 
-void runServer(int connfd, Sitefile *site, int *pending, int id,
-		volatile ConnInfo *conninfo) {
+void runServer(int connfd, Sitefile *site, volatile int *pending, int id) {
 	int allocConns = 100;
 	struct pollfd *fds;
 	Connection *connections;
@@ -114,16 +113,11 @@ remove:
 			int newfd;
 			int portind;
 			createLog("Main fd has data");
-			newfd = recvFd(connfd);
+			newfd = recvFd(connfd, &portind, sizeof portind);
 			if (newfd < 0) {
 				createLog("Message received that included an invalid fd, quitting");
 				exit(EXIT_FAILURE);
 			}
-			while (conninfo->valid == 0) ;
-			portind = conninfo->portind;
-			conninfo->valid = 0;
-
-			createLog("Obtained file descriptor from child");
 
 			newstream = createStream(contexts[portind], O_NONBLOCK, newfd);
 			if (newstream == NULL) {

src/swebs/runner.h

@@ -28,8 +28,7 @@ typedef struct {
 	int portind;
 } ConnInfo;
 
-void runServer(int connfd, Sitefile *site, int *pending, int id,
-		volatile ConnInfo *info);
+void runServer(int connfd, Sitefile *site, volatile int *pending, int id);
 /* pending and info are shared memory. pending[id] is the amount of connections
  * that are being processed by that process, and info contains info about the
  * connection being sent through. */

src/swebs/util.h

@@ -41,8 +41,8 @@ int istrcmp(char *s1, char *s2);
 /* case insensitive strcmp */
 RequestType getType(char *str);
 
-void sendFd(int fd, int dest);
-int recvFd(int source);
+void sendFd(int fd, int dest, void *data, size_t len);
+int recvFd(int source, void *data, size_t len);
 
 int createTmpName(char *path);
 /* WIll set the 5 characters at the end of path to random data so that that

src/util.c

@@ -173,7 +173,7 @@ RequestType getType(char *str) {
 	return INVALID;
 }
 
-void sendFd(int fd, int dest) {
+void sendFd(int fd, int dest, void *data, size_t len) {
 	struct msghdr msg;
 	struct cmsghdr *cmsg;
 	char iobuf[1];
@@ -183,8 +183,14 @@ void sendFd(int fd, int dest) {
 		struct cmsghdr align;
 	} u;
 	memset(&msg, 0, sizeof(msg));
-	io.iov_base = iobuf;
-	io.iov_len = sizeof(iobuf);
+	if (data == NULL) {
+		io.iov_base = iobuf;
+		io.iov_len = sizeof(iobuf);
+	}
+	else {
+		io.iov_base = data;
+		io.iov_len = len;
+	}
 	msg.msg_iov = &io;
 	msg.msg_iovlen = 1;
 	msg.msg_control = u.buf;
@@ -197,7 +203,7 @@ void sendFd(int fd, int dest) {
 	sendmsg(dest, &msg, 0);
 }
 
-int recvFd(int source) {
+int recvFd(int source, void *data, size_t len) {
 	union {
 		char buff[CMSG_SPACE(sizeof(int))];
 		struct cmsghdr align;
@@ -205,15 +211,19 @@ int recvFd(int source) {
 	struct msghdr msg;
 	struct cmsghdr *cmsg;
 	struct iovec iov;
-	int data;
 	ssize_t nr;
 	int ret;
+	char buf[1];
 
 	msg.msg_name = NULL;
 	msg.msg_namelen = 0;
 
-	iov.iov_base = &data;
-	iov.iov_len = sizeof(data);
+	if (data == NULL) {
+		data = buf;
+		len = sizeof buf;
+	}
+	iov.iov_base = data;
+	iov.iov_len = len;
 	msg.msg_iov = &iov;
 	msg.msg_iovlen = 1;
 
@@ -224,7 +234,7 @@ int recvFd(int source) {
 		return -1;
 
 	cmsg = CMSG_FIRSTHDR(&msg);
-	if (cmsg == NULL || cmsg->cmsg_len != CMSG_LEN(sizeof(data)))
+	if (cmsg == NULL || cmsg->cmsg_len != CMSG_LEN(len))
 		return -1;
 	if (cmsg->cmsg_level != SOL_SOCKET)
 		return -1;