X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;ds=sidebyside;f=ccan%2Ftdb2%2Ftest%2Ftdb1-external-agent.c;fp=ccan%2Ftdb2%2Ftest%2Ftdb1-external-agent.c;h=0000000000000000000000000000000000000000;hb=b91dafc6ab5075355d508f051977a15dd7794b0e;hp=ffde0770255f4b5be717a11de721b1ad557e0e65;hpb=0b93bd102aad6b61f1e569fb12aabc6352a1d7cd;p=ccan

diff --git a/ccan/tdb2/test/tdb1-external-agent.c b/ccan/tdb2/test/tdb1-external-agent.c
deleted file mode 100644
index ffde0770..00000000
--- a/ccan/tdb2/test/tdb1-external-agent.c
+++ /dev/null
@@ -1,188 +0,0 @@
-#include "tdb1-external-agent.h"
-#include "tdb1-lock-tracking.h"
-#include "logging.h"
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <unistd.h>
-#include <err.h>
-#include <fcntl.h>
-#include <stdlib.h>
-#include <limits.h>
-#include <string.h>
-#include <errno.h>
-#include <ccan/tdb2/tdb1_private.h>
-#include <ccan/tap/tap.h>
-#include <stdio.h>
-#include <stdarg.h>
-
-static struct tdb_context *tdb;
-
-static enum agent_return do_operation(enum operation op, const char *name)
-{
-	TDB_DATA k;
-	enum agent_return ret;
-	TDB_DATA data;
-
-	if (op != OPEN && !tdb) {
-		diag("external: No tdb open!");
-		return OTHER_FAILURE;
-	}
-
-	k.dptr = (void *)name;
-	k.dsize = strlen(name);
-
-	locking_would_block1 = 0;
-	switch (op) {
-	case OPEN:
-		if (tdb) {
-			diag("Already have tdb %s open", tdb->name);
-			return OTHER_FAILURE;
-		}
-		tdb = tdb_open(name, TDB_VERSION1, O_RDWR, 0, &tap_log_attr);
-		if (!tdb) {
-			if (!locking_would_block1)
-				diag("Opening tdb gave %s", strerror(errno));
-			ret = OTHER_FAILURE;
-		} else
-			ret = SUCCESS;
-		break;
-	case TRANSACTION_START:
-		ret = tdb_transaction_start(tdb) == TDB_SUCCESS ? SUCCESS : OTHER_FAILURE;
-		break;
-	case FETCH:
-		if (tdb_fetch(tdb, k, &data) != TDB_SUCCESS) {
-			if (tdb->last_error == TDB_ERR_NOEXIST)
-				ret = FAILED;
-			else
-				ret = OTHER_FAILURE;
-		} else if (data.dsize != k.dsize
-			   || memcmp(data.dptr, k.dptr, k.dsize) != 0) {
-			ret = OTHER_FAILURE;
-		} else {
-			ret = SUCCESS;
-		}
-		free(data.dptr);
-		break;
-	case STORE:
-		if (tdb_store(tdb, k, k, 0) == TDB_SUCCESS)
-			ret = SUCCESS;
-		else
-			ret = OTHER_FAILURE;
-		break;
-	case TRANSACTION_COMMIT:
-		ret = tdb_transaction_commit(tdb) == TDB_SUCCESS ? SUCCESS : OTHER_FAILURE;
-		break;
-	case CHECK:
-		ret = tdb_check(tdb, NULL, NULL) == TDB_SUCCESS ? SUCCESS : OTHER_FAILURE;
-		break;
-	case NEEDS_RECOVERY:
-		ret = tdb1_needs_recovery(tdb) ? SUCCESS : FAILED;
-		break;
-	case CLOSE:
-		ret = tdb_close(tdb) == 0 ? SUCCESS : OTHER_FAILURE;
-		tdb = NULL;
-		break;
-	default:
-		ret = OTHER_FAILURE;
-	}
-
-	if (locking_would_block1)
-		ret = WOULD_HAVE_BLOCKED;
-
-	return ret;
-}
-
-struct agent {
-	int cmdfd, responsefd;
-};
-
-/* Do this before doing any tdb stuff.  Return handle, or NULL. */
-struct agent *prepare_external_agent1(void)
-{
-	int pid, ret;
-	int command[2], response[2];
-	char name[1+PATH_MAX];
-
-	if (pipe(command) != 0 || pipe(response) != 0)
-		return NULL;
-
-	pid = fork();
-	if (pid < 0)
-		return NULL;
-
-	if (pid != 0) {
-		struct agent *agent = malloc(sizeof(*agent));
-
-		close(command[0]);
-		close(response[1]);
-		agent->cmdfd = command[1];
-		agent->responsefd = response[0];
-		return agent;
-	}
-
-	close(command[1]);
-	close(response[0]);
-
-	/* We want to fail, not block. */
-	nonblocking_locks1 = true;
-	log_prefix = "external: ";
-	while ((ret = read(command[0], name, sizeof(name))) > 0) {
-		enum agent_return result;
-
-		result = do_operation(name[0], name+1);
-		if (write(response[1], &result, sizeof(result))
-		    != sizeof(result))
-			err(1, "Writing response");
-	}
-	exit(0);
-}
-
-/* Ask the external agent to try to do an operation. */
-enum agent_return external_agent_operation1(struct agent *agent,
-					   enum operation op,
-					   const char *name)
-{
-	enum agent_return res;
-	unsigned int len;
-	char *string;
-
-	if (!name)
-		name = "";
-	len = 1 + strlen(name) + 1;
-	string = malloc(len);
-
-	string[0] = op;
-	strcpy(string+1, name);
-
-	if (write(agent->cmdfd, string, len) != len
-	    || read(agent->responsefd, &res, sizeof(res)) != sizeof(res))
-		res = AGENT_DIED;
-
-	free(string);
-	return res;
-}
-
-const char *agent_return_name1(enum agent_return ret)
-{
-	return ret == SUCCESS ? "SUCCESS"
-		: ret == WOULD_HAVE_BLOCKED ? "WOULD_HAVE_BLOCKED"
-		: ret == AGENT_DIED ? "AGENT_DIED"
-		: ret == FAILED ? "FAILED"
-		: ret == OTHER_FAILURE ? "OTHER_FAILURE"
-		: "**INVALID**";
-}
-
-const char *operation_name1(enum operation op)
-{
-	switch (op) {
-	case OPEN: return "OPEN";
-	case TRANSACTION_START: return "TRANSACTION_START";
-	case FETCH: return "FETCH";
-	case STORE: return "STORE";
-	case TRANSACTION_COMMIT: return "TRANSACTION_COMMIT";
-	case CHECK: return "CHECK";
-	case NEEDS_RECOVERY: return "NEEDS_RECOVERY";
-	case CLOSE: return "CLOSE";
-	}
-	return "**INVALID**";
-}