Adds support to the multithread example

examples/multithread_c/multi.c

@@ -0,0 +1,141 @@
+/*
+ * ModSecurity, http://www.modsecurity.org/
+ * Copyright (c) 2015 Trustwave Holdings, Inc. (http://www.trustwave.com/)
+ *
+ * You may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * If any of the files related to licensing are missing or if you have any
+ * other questions related to licensing please contact Trustwave Holdings, Inc.
+ * directly using the email address security@modsecurity.org.
+ *
+ */
+
+#include <modsecurity/modsecurity.h>
+#include <modsecurity/transaction.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <pthread.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/ipc.h>
+#include <sys/shm.h>
+#include <sys/wait.h>
+
+#define SHM_SIZE 1024
+#define FORKS 10
+#define TRHREADS 10
+
+
+char main_rule_uri[] = "basic_rules.conf";
+Rules *rules = NULL;
+ModSecurity *modsec = NULL;
+
+key_t key;
+
+
+void process_request (void *ptr)
+{
+    int i;
+    for (i = 0; i < TRHREADS; i++) {
+        struct timeval tv;
+
+        int shmid = shmget(key, SHM_SIZE, 0644 | IPC_CREAT);
+        char *data;
+        int *j;
+        data = shmat(shmid, (void *)0, 0);
+        j = (int *)data;
+        (*j)++;
+
+
+        Transaction *transaction = NULL;
+        transaction = msc_new_transaction(modsec, rules, NULL);
+
+        msc_process_connection(transaction, "127.0.0.1", 12345, "127.0.0.1", 80);
+        msc_process_uri(transaction,
+            "http://www.modsecurity.org/test?key1=value1&key2=value2&key3=value3",
+            "GET", "1.1");
+        msc_add_request_header(transaction, "User-Agent",
+            "Basic ModSecurity example");
+        msc_process_request_headers(transaction);
+        msc_process_request_body(transaction);
+        msc_add_response_header(transaction, "Content-type", "text/html");
+        msc_process_response_headers(transaction);
+        msc_process_response_body(transaction);
+        msc_process_logging(transaction, 200);
+        msc_transaction_cleanup(transaction);
+        tv.tv_sec = 0;
+        tv.tv_usec = 1000;
+        select(0, NULL, NULL, NULL, &tv);
+    }
+}
+
+
+int main (int argc, char **argv)
+{
+    int ret = 1;
+    const char *error = NULL;
+    pthread_t thread[TRHREADS*FORKS];
+    int i = 0;
+    pid_t pid;
+    int shmid;
+
+    modsec = msc_init();
+
+    key = ftok("shmdemo.c", 'R');
+
+    shmid = shmget(key, SHM_SIZE, 0644 | IPC_CREAT);
+    char *data = shmat(shmid, (void *)0, 0);
+    memset(data, '\0', SHM_SIZE);
+    int *z = (int *) data;
+    z = 0;
+
+    msc_set_connector_info(modsec, "ModSecurity-test v0.0.1-alpha (Simple " \
+        "example on how to use ModSecurity API");
+
+    rules = msc_create_rules_set();
+
+    ret = msc_rules_add_file(rules, main_rule_uri, &error);
+    if (ret < 0) {
+        fprintf(stderr, "Problems loading the rules --\n");
+        fprintf(stderr, "%s\n", error);
+        goto end;
+    }
+
+    msc_rules_dump(rules);
+
+    for (int h = 0; h < FORKS; h++) {
+        pid = fork();
+        if (pid == 0) {
+            pthread_create (&thread[h*TRHREADS], NULL, (void *) &process_request, (void *) NULL);
+            pthread_join(thread[h*TRHREADS], NULL);
+            goto child;
+        }
+    }
+
+    wait(NULL);
+
+    int *j;
+    data = shmat(shmid, (void *)0, 0);
+    j = (int *) data;
+    fprintf(stderr, "The final count is: %d\n", *j);
+
+child:
+
+    if (pid == 0) {
+        return 0;
+    }
+end:
+    msc_rules_cleanup(rules);
+    msc_cleanup(modsec);
+
+    return 0;
+}
+
+