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+ /*
+ ** L2 - OSSP Logging Library
+ ** Copyright (c) 2001 The OSSP Project (http://www.ossp.org/)
+ ** Copyright (c) 2001 Cable & Wireless Deutschland (http://www.cw.com/de/)
+ **
+ ** This file is part of OSSP L2, a flexible logging library which
+ ** can be found at http://www.ossp.org/pkg/l2/.
+ **
+ ** Permission to use, copy, modify, and distribute this software for
+ ** any purpose with or without fee is hereby granted, provided that
+ ** the above copyright notice and this permission notice appear in all
+ ** copies.
+ **
+ ** THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ ** WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ ** MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ ** IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
+ ** CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ ** USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ** ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ ** OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ ** OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ ** SUCH DAMAGE.
+ **
+ ** l2tool.c: L2 command line tool
+ */
+
+ #include <stdio.h>
+ #include "l2.h"
+
+ static void die(l2_env_t *env, l2_result_t rv, char *fmt, ...)
+ {
+ va_list ap;
+ char *error;
+
+ va_start(ap, fmt);
+ fprintf(stderr, "l2tool:ERROR: ");
+ vfprintf(stderr, fmt, ap);
+ error = l2_env_strerror(env, rv);
+ fprintf(stderr, " (%s)\n", error);
+ va_end(ap);
+ exit(1);
+ }
+
+ int main(int argc, char *argv[])
+ {
+ l2_channel_t *ch;
+ char *spec;
+ l2_result_t rv;
+ l2_env_t *env;
+ char *cpLevel;
+ char caBuf[2048];
+ int nBuf;
+ char *cpMsg;
+ char *cp;
+ unsigned int nLevel;
+
+ /* minimal command line parsing */
+ if (argc != 2) {
+ fprintf(stderr, "l2tool:ERROR: invalid command line\n");
+ fprintf(stderr, "l2tool:USAGE: l2tool <specification>\n");
+ exit(1);
+ }
+ spec = argv[1];
+
+ /* create environment */
+ if ((rv = l2_env_create(&env)) != L2_OK)
+ die(env, rv, "failed to create environment");
+
+ /* create channel tree */
+ if ((rv = l2_spec(&ch, env, spec)) != L2_OK)
+ die(env, rv, "failed to parse specification");
+
+ /* open channel tree */
+ if ((rv = l2_channel_open(ch)) != L2_OK)
+ die(env, rv, "failed to open channel tree");
+
+ /* loop over stdin */
+ while (fgets(caBuf, sizeof(caBuf), stdin) != NULL) {
+ /* strip newline */
+ nBuf = strlen(caBuf);
+ caBuf[nBuf-1] = '\0';
+
+ /* parse logging level */
+ nLevel = L2_LEVEL_INFO;
+ cpLevel = "info";
+ cpMsg = caBuf;
+ if (caBuf[0] == '<') {
+ if ((cp = strchr(caBuf+1, '>')) == NULL)
+ die(env, rv, "unterminated level prefix");
+ *cp++ = '\0';
+ cpLevel = caBuf+1;
+ cpMsg = cp;
+ }
+ if (l2_util_s2l(cpLevel, strlen(cpLevel), ',', &nLevel) != L2_OK)
+ die(env, rv, "invalid level prefix");
+
+ /* perform log operation(s) */
+ if ((rv = l2_channel_log(ch, nLevel, "%s", cpMsg)) != L2_OK)
+ die(env, rv, "failed to log message to channel tree");
+ }
+
+ /* destroy channel tree */
+ if ((rv = l2_channel_destroy(ch)) != L2_OK)
+ die(env, rv, "failed to destroy channel tree");
+
+ /* destroy environment */
+ if ((rv = l2_env_destroy(env)) != L2_OK)
+ die(env, rv, "failed to destroy environment");
+
+ return 0;
+ }
+
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