TODO: Invalidate cache if it is too old.
} else {
printf("Directory \"%s\" exists.\n", args.cache_dir);
}
+ closedir(d);
} else {
fprintf(stderr, "ERROR: Invalid args!\n");
print_usage();
#include <string.h>
#include <stdio.h>
+// libc includes.
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <dirent.h>
+#include <errno.h>
+#include <libgen.h>
+
int c_simple_http_internal_get_string_part_full_size(void *data, void *ud) {
C_SIMPLE_HTTP_String_Part *part = data;
size_t *count = ud;
return c_simple_http_combine_string_parts(parts);
}
+int c_simple_http_helper_mkdir_tree(const char *path) {
+ // Check if dir already exists.
+ DIR *dir_ptr = opendir(path);
+ if (dir_ptr) {
+ // Directory already exists.
+ closedir(dir_ptr);
+ return 1;
+ } else if (errno == ENOENT) {
+ // Directory doesn't exist, create dir tree.
+ closedir(dir_ptr);
+
+ size_t buf_size = strlen(path) + 1;
+ char *buf = malloc(buf_size);
+ memcpy(buf, path, buf_size - 1);
+ buf[buf_size - 1] = 0;
+
+ char *dirname_buf = dirname(buf);
+ // Recursive call to ensure parent directories are created.
+ int ret = c_simple_http_helper_mkdir_tree(dirname_buf);
+ free(buf);
+ if (ret == 1 || ret == 0) {
+ // Parent directory should be created by now.
+ ret = mkdir(path, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
+ if (ret != 0) {
+ return 4;
+ }
+ } else {
+ return 3;
+ }
+
+ return 0;
+ } else {
+ // Other directory error.
+ closedir(dir_ptr);
+ return 2;
+ }
+}
+
// vim: et ts=2 sts=2 sw=2
/// non-NULL, it must be free'd.
char *c_simple_http_helper_unescape_uri(const char *uri);
+/// Returns zero if successful. "dirpath" will point to a directory on success.
+/// Returns 1 if the directory already exists.
+/// Other return values are errors.
+int c_simple_http_helper_mkdir_tree(const char *dirpath);
+
#endif
// vim: et ts=2 sts=2 sw=2
// Standard library includes.
#include <stdint.h>
+#include <stdio.h>
#include <string.h>
#include <stdlib.h>
+// POSIX includes.
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <errno.h>
+
// Third-party includes.
#include <SimpleArchiver/src/data_structures/linked_list.h>
#include <SimpleArchiver/src/helpers.h>
// Local includes.
#include "http.h"
#include "helpers.h"
+#include "http_template.h"
+
+int c_simple_http_internal_write_filenames_to_cache_file(void *data, void *ud) {
+ char *filename = data;
+ FILE *cache_fd = ud;
+
+ const size_t filename_size = strlen(filename);
+ if (fwrite(filename, 1, filename_size, cache_fd) != filename_size) {
+ return 1;
+ } else if (fwrite("\n", 1, 1, cache_fd) != 1) {
+ return 1;
+ }
+
+ return 0;
+}
char *c_simple_http_path_to_cache_filename(const char *path) {
__attribute__((cleanup(simple_archiver_helper_cleanup_c_string)))
const char *path,
const char *config_filename,
const char *cache_dir,
+ const C_SIMPLE_HTTP_HTTPTemplates *templates,
char **buf_out) {
- // TODO
+ if (!path) {
+ fprintf(stderr, "ERROR cache_path function: path is NULL!\n");
+ return -9;
+ } else if (!config_filename) {
+ fprintf(stderr, "ERROR cache_path function: config_filename is NULL!\n");
+ return -10;
+ } else if (!cache_dir) {
+ fprintf(stderr, "ERROR cache_path function: cache_dir is NULL!\n");
+ return -11;
+ } else if (!templates) {
+ fprintf(stderr, "ERROR cache_path function: templates is NULL!\n");
+ return -12;
+ } else if (!buf_out) {
+ fprintf(stderr, "ERROR cache_path function: buf_out is NULL!\n");
+ return -13;
+ }
+
+ int ret = c_simple_http_helper_mkdir_tree(cache_dir);
+ if (ret != 0 && ret != 1) {
+ fprintf(
+ stderr, "ERROR failed to ensure cache_dir \"%s\" exists!\n", cache_dir);
+ return -15;
+ }
+
+ // Get the cache filename from the path.
+ __attribute__((cleanup(simple_archiver_helper_cleanup_c_string)))
+ char *cache_filename = c_simple_http_path_to_cache_filename(path);
+ if (!cache_filename) {
+ fprintf(stderr, "ERROR Failed to convert path to cache_filename!");
+ return -1;
+ }
+
+ // Combine the cache_dir with cache filename.
+ __attribute__((cleanup(simple_archiver_list_free)))
+ SDArchiverLinkedList *parts = simple_archiver_list_init();
+
+ c_simple_http_add_string_part(parts, cache_dir, 0);
+ c_simple_http_add_string_part(parts, "/", 0);
+ c_simple_http_add_string_part(parts, cache_filename, 0);
+
+ __attribute__((cleanup(simple_archiver_helper_cleanup_c_string)))
+ char *cache_filename_full = c_simple_http_combine_string_parts(parts);
+
+ simple_archiver_list_free(&parts);
+ parts = simple_archiver_list_init();
+
+ if (!cache_filename_full) {
+ fprintf(stderr, "ERROR Failed to create full-path to cache filename!\n");
+ return -2;
+ }
+
+ // Get "stat" info on the cache filename.
+ uint_fast8_t force_cache_update = 0;
+ struct stat cache_file_stat;
+ ret = stat(cache_filename_full, &cache_file_stat);
+ if (ret == -1) {
+ if (errno == ENOENT) {
+ fprintf(stderr, "NOTICE cache file doesn't exist, will create...\n");
+ } else {
+ fprintf(
+ stderr,
+ "ERROR getting stat info on file \"%s\" (errno %d)! "
+ "Assuming out of date!\n",
+ cache_filename_full,
+ errno);
+ }
+ force_cache_update = 1;
+ }
+
+ // Get "stat" info on config file.
+ struct stat config_file_stat;
+ ret = stat(config_filename, &config_file_stat);
+ if (ret == -1) {
+ if (errno == ENOENT) {
+ fprintf(
+ stderr, "ERROR config file \"%s\" doesn't exist!\n", config_filename);
+ } else {
+ fprintf(
+ stderr,
+ "ERROR getting stat info on config file \"%s\" (errno %d)!\n",
+ config_filename,
+ errno);
+ }
+ return -3;
+ }
+
+ if (!force_cache_update) {
+ do {
+ // Check filenames in cache file.
+ __attribute__((cleanup(simple_archiver_helper_cleanup_FILE)))
+ FILE *cache_fd = fopen(cache_filename_full, "r");
+ const size_t buf_size = 1024;
+ __attribute__((cleanup(simple_archiver_helper_cleanup_c_string)))
+ char *buf = malloc(buf_size);
+
+ // Check header.
+ if (fread(buf, 1, 20, cache_fd) != 20) {
+ fprintf(stderr, "ERROR Failed to read header from cache file!\n");
+ return -14;
+ } else if (strncmp(buf, "--- CACHE ENTRY ---\n", 20) != 0) {
+ fprintf(
+ stderr,
+ "WARNING Cache is invalid (bad header), assuming out of date!\n");
+ force_cache_update = 1;
+ break;
+ }
+
+ // Check filenames.
+ size_t buf_idx = 0;
+ while(1) {
+ ret = fgetc(cache_fd);
+ if (ret == EOF) {
+ fprintf(
+ stderr, "WARNING Cache is invalid (EOF), assuming out of date!\n");
+ force_cache_update = 1;
+ break;
+ } else if (ret == '\n') {
+ // Got filename in "buf" of size "buf_idx".
+ if (strncmp(buf, "--- BEGIN HTML ---", 18) == 0) {
+ // Got end header instead of filename.
+ break;
+ } else if (buf_idx < buf_size) {
+ buf[buf_idx++] = 0;
+ } else {
+ fprintf(
+ stderr,
+ "WARNING Cache is invalid (too large filename), assuming out of "
+ "date!\n");
+ force_cache_update = 1;
+ break;
+ }
+
+ struct stat file_stat;
+ ret = stat(buf, &file_stat);
+ if (ret == -1) {
+ if (errno == ENOENT) {
+ fprintf(
+ stderr,
+ "WARNING Invalid filename cache entry \"%s\" (doesn't exist)! "
+ "Assuming out of date!\n",
+ buf);
+ force_cache_update = 1;
+ break;
+ } else {
+ fprintf(
+ stderr,
+ "WARNING Invalid filename cache entry \"%s\" (stat errno %d)! "
+ "Assuming out of date!\n",
+ buf,
+ errno);
+ force_cache_update = 1;
+ break;
+ }
+ }
+
+ if (cache_file_stat.st_mtim.tv_sec < file_stat.st_mtim.tv_sec
+ || (cache_file_stat.st_mtim.tv_sec == file_stat.st_mtim.tv_sec
+ && cache_file_stat.st_mtim.tv_nsec
+ < file_stat.st_mtim.tv_nsec)) {
+ // File is newer than cache.
+ force_cache_update = 1;
+ break;
+ }
+
+ buf_idx = 0;
+ } else if (buf_idx < buf_size) {
+ buf[buf_idx++] = (char)ret;
+ } else {
+ fprintf(
+ stderr,
+ "WARNING Cache is invalid (too large filename), assuming out of "
+ "date!\n");
+ force_cache_update = 1;
+ break;
+ }
+ }
+ } while(0);
+ }
+
+ // Compare modification times.
+CACHE_FILE_WRITE_CHECK:
+ if (force_cache_update
+ || cache_file_stat.st_mtim.tv_sec < config_file_stat.st_mtim.tv_sec
+ || (cache_file_stat.st_mtim.tv_sec == config_file_stat.st_mtim.tv_sec
+ && cache_file_stat.st_mtim.tv_nsec < config_file_stat.st_mtim.tv_nsec))
+ {
+ // Cache file is out of date.
+ __attribute__((cleanup(simple_archiver_helper_cleanup_FILE)))
+ FILE *cache_fd = fopen(cache_filename_full, "w");
+ if (fwrite("--- CACHE ENTRY ---\n", 1, 20, cache_fd) != 20) {
+ fprintf(
+ stderr,
+ "ERROR Failed to write to cache file \"%s\"!\n",
+ cache_filename_full);
+ return -5;
+ }
+
+ __attribute__((cleanup(simple_archiver_list_free)))
+ SDArchiverLinkedList *used_filenames = NULL;
+
+ size_t generated_html_size = 0;
+
+ __attribute__((cleanup(simple_archiver_helper_cleanup_c_string)))
+ char *generated_html = c_simple_http_path_to_generated(
+ path, templates, &generated_html_size, &used_filenames);
+
+ if (!generated_html) {
+ fprintf(stderr, "ERROR Failed to generate html for path \"%s\"!\n", path);
+ simple_archiver_helper_cleanup_FILE(&cache_fd);
+ remove(cache_filename_full);
+ return -4;
+ }
+
+ if (simple_archiver_list_get(
+ used_filenames,
+ c_simple_http_internal_write_filenames_to_cache_file,
+ cache_fd)) {
+ fprintf(stderr, "ERROR Failed to write filenames to cache file!\n");
+ return -6;
+ } else if (fwrite("--- BEGIN HTML ---\n", 1, 19, cache_fd) != 19) {
+ fprintf(stderr, "ERROR Failed to write end of cache file header!\n");
+ return -7;
+ } else if (
+ fwrite(
+ generated_html,
+ 1,
+ generated_html_size,
+ cache_fd)
+ != generated_html_size) {
+ fprintf(stderr, "ERROR Failed to write html to cache file!\n");
+ return -8;
+ }
+
+ *buf_out = generated_html;
+ generated_html = NULL;
+ return 1;
+ }
+
+ // Cache file is newer.
+ __attribute__((cleanup(simple_archiver_helper_cleanup_FILE)))
+ FILE *cache_fd = fopen(cache_filename_full, "rb");
+
+ const size_t buf_size = 128;
+ __attribute__((cleanup(simple_archiver_helper_cleanup_c_string)))
+ char *buf = malloc(buf_size);
+
+ // Get first header.
+ if (fread(buf, 1, 20, cache_fd) != 20) {
+ fprintf(
+ stderr,
+ "WARNING Invalid cache file (read header), assuming out of date!\n");
+ force_cache_update = 1;
+ goto CACHE_FILE_WRITE_CHECK;
+ } else if (strncmp("--- CACHE ENTRY ---\n", buf, 20) != 0) {
+ fprintf(
+ stderr,
+ "WARNING Invalid cache file (check header), assuming out of date!\n");
+ force_cache_update = 1;
+ goto CACHE_FILE_WRITE_CHECK;
+ }
+
+ // Get filenames end header.
+ uint_fast8_t reached_end_header = 0;
+ size_t buf_idx = 0;
+ while (1) {
+ ret = fgetc(cache_fd);
+ if (ret == EOF) {
+ fprintf(
+ stderr, "WARNING Invalid cache file (EOF), assuming out of date!\n");
+ force_cache_update = 1;
+ goto CACHE_FILE_WRITE_CHECK;
+ } else if (ret == '\n') {
+ if (strncmp("--- BEGIN HTML ---", buf, 18) == 0) {
+ reached_end_header = 1;
+ break;
+ }
+ buf_idx = 0;
+ continue;
+ }
+
+ if (buf_idx < buf_size) {
+ buf[buf_idx++] = (char)ret;
+ }
+ }
+
+ if (!reached_end_header) {
+ fprintf(
+ stderr,
+ "WARNING Invalid cache file (no end header), assuming out of date!\n");
+ force_cache_update = 1;
+ goto CACHE_FILE_WRITE_CHECK;
+ }
+
+ // Remaining bytes in cache_fd is cached html. Fetch it and return it.
+ const long html_start_idx = ftell(cache_fd);
+ if (html_start_idx <= 0) {
+ fprintf(
+ stderr,
+ "WARNING Failed to get position in cache file, assuming "
+ "invalid/out-of-date!\n");
+ force_cache_update = 1;
+ goto CACHE_FILE_WRITE_CHECK;
+ }
+
+ ret = fseek(cache_fd, 0, SEEK_END);
+ if (ret != 0) {
+ fprintf(
+ stderr,
+ "WARNING Failed to seek in cache file, assuming invalid/out-of-date!\n");
+ force_cache_update = 1;
+ goto CACHE_FILE_WRITE_CHECK;
+ }
+ const long html_end_idx = ftell(cache_fd);
+ if (html_end_idx <= 0) {
+ fprintf(
+ stderr,
+ "WARNING Failed to get end position in cache file, assuming "
+ "invalid/out-of-date!\n");
+ force_cache_update = 1;
+ goto CACHE_FILE_WRITE_CHECK;
+ }
+
+ ret = fseek(cache_fd, html_start_idx, SEEK_SET);
+ if (ret != 0) {
+ fprintf(
+ stderr,
+ "WARNING Failed to seek in cache file, assuming invalid/out-of-date!\n");
+ force_cache_update = 1;
+ goto CACHE_FILE_WRITE_CHECK;
+ }
+
+ const size_t html_size = (size_t)html_end_idx - (size_t)html_start_idx + 1;
+ *buf_out = malloc(html_size);
+
+ if (fread(*buf_out, 1, html_size - 1, cache_fd) != html_size - 1) {
+ fprintf(
+ stderr,
+ "WARNING Failed to read html in cache file, assuming "
+ "invalid/out-of-date!\n");
+ force_cache_update = 1;
+ goto CACHE_FILE_WRITE_CHECK;
+ }
+
+ (*buf_out)[html_size - 1] = 0;
+
return 0;
}
#ifndef SEODISPARATE_COM_C_SIMPLE_HTTP_HTML_CACHE_H_
#define SEODISPARATE_COM_C_SIMPLE_HTTP_HTML_CACHE_H_
+// Local includes.
+#include "http.h"
+
/// Must be free'd if non-NULL.
char *c_simple_http_path_to_cache_filename(const char *path);
/// Must be free'd if non-NULL.
char *c_simple_http_cache_filename_to_path(const char *cache_filename);
-/// Given a "path", returns non-zero if the cache is invalidated.
+/// Given a "path", returns positive-non-zero if the cache is invalidated.
/// "config_filename" is required to check its timestamp. "cache_dir" is
/// required to actually get the cache file to check against. "buf_out" will be
/// populated if non-NULL, and will either be fetched from the cache or from the
/// config (using http_template). Note that "buf_out" will point to a c-string.
+/// Returns a negative value on error.
int c_simple_http_cache_path(
const char *path,
const char *config_filename,
const char *cache_dir,
+ const C_SIMPLE_HTTP_HTTPTemplates *templates,
char **buf_out);
#endif
// Local includes
#include "http_template.h"
#include "helpers.h"
+#include "html_cache.h"
#define REQUEST_TYPE_BUFFER_SIZE 16
#define REQUEST_PATH_BUFFER_SIZE 256
uint32_t size,
const C_SIMPLE_HTTP_HTTPTemplates *templates,
size_t *out_size,
- enum C_SIMPLE_HTTP_ResponseCode *out_response_code) {
+ enum C_SIMPLE_HTTP_ResponseCode *out_response_code,
+ const char *cache_dir,
+ const char *config_filename) {
if (out_size) {
*out_size = 0;
}
__attribute__((cleanup(simple_archiver_helper_cleanup_c_string)))
char *stripped_path = c_simple_http_strip_path(
request_path_unescaped, strlen(request_path_unescaped));
- char *generated_buf = c_simple_http_path_to_generated(
- stripped_path ? stripped_path : request_path_unescaped,
- templates,
- &generated_size,
- NULL); // TODO Use the output parameter "filenames list" here.
+
+ char *generated_buf = NULL;
+
+ if (cache_dir) {
+ int ret = c_simple_http_cache_path(
+ stripped_path ? stripped_path : request_path_unescaped,
+ config_filename,
+ cache_dir,
+ templates,
+ &generated_buf);
+ if (ret < 0) {
+ fprintf(stderr, "ERROR Failed to generate template with cache!\n");
+ if (out_response_code) {
+ if (
+ simple_archiver_hash_map_get(
+ templates->hash_map,
+ stripped_path ? stripped_path : request_path_unescaped,
+ stripped_path
+ ? strlen(stripped_path) + 1
+ : strlen(request_path_unescaped) + 1)
+ == NULL) {
+ *out_response_code = C_SIMPLE_HTTP_Response_404_Not_Found;
+ } else {
+ *out_response_code = C_SIMPLE_HTTP_Response_500_Internal_Server_Error;
+ }
+ }
+ return NULL;
+ }
+ generated_size = strlen(generated_buf);
+ } else {
+ generated_buf = c_simple_http_path_to_generated(
+ stripped_path ? stripped_path : request_path_unescaped,
+ templates,
+ &generated_size,
+ NULL);
+ }
if (!generated_buf || generated_size == 0) {
fprintf(stderr, "ERROR Unable to generate response html for path \"%s\"!\n",
uint32_t size,
const C_SIMPLE_HTTP_HTTPTemplates *templates,
size_t *out_size,
- enum C_SIMPLE_HTTP_ResponseCode *out_response_code
+ enum C_SIMPLE_HTTP_ResponseCode *out_response_code,
+ const char *cache_dir,
+ const char *config_filename
);
/// Takes a PATH string and returns a "bare" path.
(uint32_t)read_ret,
&parsed_config,
&response_size,
- &response_code);
+ &response_code,
+ args.cache_dir,
+ args.config_file);
if (response && response_code == C_SIMPLE_HTTP_Response_200_OK) {
CHECK_ERROR_WRITE(write(connection_fd, "HTTP/1.1 200 OK\n", 16));
CHECK_ERROR_WRITE(write(connection_fd, "Allow: GET\n", 11));
#include <stdlib.h>
#include <stdint.h>
+// POSIX includes.
+#include <unistd.h>
+#include <sys/types.h>
+#include <dirent.h>
+
// Local includes.
#include "config.h"
#include "helpers.h"
CHECK_TRUE(strcmp(buf, "ABC%ZZ") == 0);
free(buf);
buf = NULL;
+
+ DIR *dirp = opendir("/tmp/create_dirs_dir");
+ uint_fast8_t dir_exists = dirp ? 1 : 0;
+ closedir(dirp);
+ ASSERT_FALSE(dir_exists);
+
+ int ret = c_simple_http_helper_mkdir_tree("/tmp/create_dirs_dir/dir/");
+ int ret2 = rmdir("/tmp/create_dirs_dir/dir");
+ int ret3 = rmdir("/tmp/create_dirs_dir");
+
+ CHECK_TRUE(ret == 0);
+ CHECK_TRUE(ret2 == 0);
+ CHECK_TRUE(ret3 == 0);
}
// Test html_cache.
ret = c_simple_http_cache_filename_to_path("0x2Fouter0x2Finner");
ASSERT_TRUE(ret);
- printf("%s\n", ret);
CHECK_TRUE(strcmp(ret, "/outer/inner") == 0);
free(ret);
- ret = c_simple_http_cache_filename_to_path("0x2Fouter0x2Finner0x2F%2F0x2Fmore_inner");
+ ret = c_simple_http_cache_filename_to_path(
+ "0x2Fouter0x2Finner0x2F%2F0x2Fmore_inner");
ASSERT_TRUE(ret);
CHECK_TRUE(strcmp(ret, "/outer/inner/%2F/more_inner") == 0);
free(ret);
CHECK_TRUE(strcmp(ret, "/outer/inner") == 0);
free(ret);
- ret = c_simple_http_cache_filename_to_path("%2Fouter%2Finner%2F0x2F%2Fmore_inner");
+ ret = c_simple_http_cache_filename_to_path(
+ "%2Fouter%2Finner%2F0x2F%2Fmore_inner");
ASSERT_TRUE(ret);
CHECK_TRUE(strcmp(ret, "/outer/inner/0x2F/more_inner") == 0);
free(ret);
ASSERT_TRUE(ret2);
CHECK_TRUE(strcmp(ret2, uri3) == 0);
free(ret2);
+
+ // Set up test config to get template map to test cache.
+ __attribute__((cleanup(test_internal_cleanup_delete_temporary_file)))
+ const char *test_http_template_filename5 =
+ "/tmp/c_simple_http_template_test5.config";
+ __attribute__((cleanup(test_internal_cleanup_delete_temporary_file)))
+ const char *test_http_template_html_filename3 =
+ "/tmp/c_simple_http_template_test3.html";
+ __attribute__((cleanup(test_internal_cleanup_delete_temporary_file)))
+ const char *test_http_template_html_var_filename2 =
+ "/tmp/c_simple_http_template_test_var2.html";
+
+ FILE *test_file = fopen(test_http_template_filename5, "w");
+ ASSERT_TRUE(test_file);
+
+ ASSERT_TRUE(
+ fwrite(
+ "PATH=/\nHTML_FILE=/tmp/c_simple_http_template_test3.html\n",
+ 1,
+ 56,
+ test_file)
+ == 56);
+ ASSERT_TRUE(
+ fwrite(
+ "VAR_FILE=/tmp/c_simple_http_template_test_var2.html\n",
+ 1,
+ 52,
+ test_file)
+ == 52);
+ fclose(test_file);
+
+ test_file = fopen(test_http_template_html_filename3, "w");
+ ASSERT_TRUE(test_file);
+
+ ASSERT_TRUE(
+ fwrite(
+ "<body>{{{VAR_FILE}}}</body>\n",
+ 1,
+ 28,
+ test_file)
+ == 28);
+ fclose(test_file);
+
+ test_file = fopen(test_http_template_html_var_filename2, "w");
+ ASSERT_TRUE(test_file);
+
+ ASSERT_TRUE(
+ fwrite(
+ "Some test text.<br>Yep.",
+ 1,
+ 23,
+ test_file)
+ == 23);
+ fclose(test_file);
+
+ __attribute__((cleanup(c_simple_http_clean_up_parsed_config)))
+ C_SIMPLE_HTTP_ParsedConfig templates =
+ c_simple_http_parse_config(test_http_template_filename5, "PATH", NULL);
+ ASSERT_TRUE(templates.paths);
+
+ // Run cache function. Should return >0 due to new/first cache entry.
+ __attribute__((cleanup(simple_archiver_helper_cleanup_c_string)))
+ char *buf = NULL;
+ int int_ret = c_simple_http_cache_path(
+ "/",
+ test_http_template_filename5,
+ "/tmp/c_simple_http_cache_dir",
+ &templates,
+ &buf);
+
+ CHECK_TRUE(int_ret > 0);
+ ASSERT_TRUE(buf);
+ CHECK_TRUE(strcmp(buf, "<body>Some test text.<br>Yep.</body>\n") == 0);
+ free(buf);
+ buf = NULL;
+
+ // Check/get size of cache file.
+ FILE *cache_file = fopen("/tmp/c_simple_http_cache_dir/ROOT", "r");
+ uint_fast8_t cache_file_exists = cache_file ? 1 : 0;
+ fseek(cache_file, 0, SEEK_END);
+ const long cache_file_size_0 = ftell(cache_file);
+ fclose(cache_file);
+ ASSERT_TRUE(cache_file_exists);
+
+ // Re-run cache function, checking that it is not invalidated.
+ int_ret = c_simple_http_cache_path(
+ "/",
+ test_http_template_filename5,
+ "/tmp/c_simple_http_cache_dir",
+ &templates,
+ &buf);
+ CHECK_TRUE(int_ret == 0);
+ ASSERT_TRUE(buf);
+ CHECK_TRUE(strcmp(buf, "<body>Some test text.<br>Yep.</body>\n") == 0);
+ free(buf);
+ buf = NULL;
+
+ // Check/get size of cache file.
+ cache_file = fopen("/tmp/c_simple_http_cache_dir/ROOT", "r");
+ cache_file_exists = cache_file ? 1 : 0;
+ fseek(cache_file, 0, SEEK_END);
+ const long cache_file_size_1 = ftell(cache_file);
+ fclose(cache_file);
+ ASSERT_TRUE(cache_file_exists);
+ CHECK_TRUE(cache_file_size_0 == cache_file_size_1);
+
+ // Change a file used by the template for PATH=/ .
+ test_file = fopen(test_http_template_html_var_filename2, "w");
+ ASSERT_TRUE(test_file);
+
+ ASSERT_TRUE(
+ fwrite(
+ "Alternate test text.<br>Yep.",
+ 1,
+ 28,
+ test_file)
+ == 28);
+ fclose(test_file);
+
+ // Re-run cache function, checking that it is invalidated.
+ int_ret = c_simple_http_cache_path(
+ "/",
+ test_http_template_filename5,
+ "/tmp/c_simple_http_cache_dir",
+ &templates,
+ &buf);
+ CHECK_TRUE(int_ret > 0);
+ ASSERT_TRUE(buf);
+ CHECK_TRUE(strcmp(buf, "<body>Alternate test text.<br>Yep.</body>\n") == 0);
+ free(buf);
+ buf = NULL;
+
+ // Get/check size of cache file.
+ cache_file = fopen("/tmp/c_simple_http_cache_dir/ROOT", "r");
+ cache_file_exists = cache_file ? 1 : 0;
+ fseek(cache_file, 0, SEEK_END);
+ const long cache_file_size_2 = ftell(cache_file);
+ fclose(cache_file);
+ ASSERT_TRUE(cache_file_exists);
+ CHECK_TRUE(cache_file_size_0 != cache_file_size_2);
+
+ // Re-run cache function, checking that it is not invalidated.
+ int_ret = c_simple_http_cache_path(
+ "/",
+ test_http_template_filename5,
+ "/tmp/c_simple_http_cache_dir",
+ &templates,
+ &buf);
+ CHECK_TRUE(int_ret == 0);
+ ASSERT_TRUE(buf);
+ CHECK_TRUE(strcmp(buf, "<body>Alternate test text.<br>Yep.</body>\n") == 0);
+ free(buf);
+ buf = NULL;
+
+ // Get/check size of cache file.
+ cache_file = fopen("/tmp/c_simple_http_cache_dir/ROOT", "r");
+ cache_file_exists = cache_file ? 1 : 0;
+ fseek(cache_file, 0, SEEK_END);
+ const long cache_file_size_3 = ftell(cache_file);
+ fclose(cache_file);
+ ASSERT_TRUE(cache_file_exists);
+ CHECK_TRUE(cache_file_size_2 == cache_file_size_3);
+
+ // Cleanup.
+ remove("/tmp/c_simple_http_cache_dir/ROOT");
+ rmdir("/tmp/c_simple_http_cache_dir");
}
RETURN()