const char cgit_version[] = CGIT_VERSION;
-const char cgit_doctype[] =
-"<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n"
-" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n";
-
-const char cgit_error[] =
-"<div class='error'>%s</div>";
-
-const char cgit_lib_error[] =
-"<div class='error'>%s: %s</div>";
-
int htmlfd = 0;
char *cgit_root = "/usr/src/git";
char *cgit_cache_root = "/var/cache/cgit";
+int cgit_max_lock_attempts = 5;
int cgit_cache_root_ttl = 5;
int cgit_cache_repo_ttl = 5;
int cgit_cache_dynamic_ttl = 5;
struct cacheitem cacheitem;
-int cgit_parse_query(char *txt, configfn fn)
-{
- char *t, *value = NULL, c;
-
- if (!txt)
- return 0;
-
- t = txt = xstrdup(txt);
-
- while((c=*t) != '\0') {
- if (c=='=') {
- *t = '\0';
- value = t+1;
- } else if (c=='&') {
- *t = '\0';
- (*fn)(txt, value);
- txt = t+1;
- value = NULL;
- }
- t++;
- }
- if (t!=txt)
- (*fn)(txt, value);
- return 0;
-}
-
void cgit_global_config_cb(const char *name, const char *value)
{
if (!strcmp(name, "root"))
}
}
-char *cgit_repourl(const char *reponame)
-{
- if (cgit_virtual_root) {
- return fmt("%s/%s/", cgit_virtual_root, reponame);
- } else {
- return fmt("?r=%s", reponame);
- }
-}
-
-char *cgit_pageurl(const char *reponame, const char *pagename,
- const char *query)
-{
- if (cgit_virtual_root) {
- return fmt("%s/%s/%s/?%s", cgit_virtual_root, reponame,
- pagename, query);
- } else {
- return fmt("?r=%s&p=%s&%s", reponame, pagename, query);
- }
-}
-
static int cgit_print_branch_cb(const char *refname, const unsigned char *sha1,
int flags, void *cb_data)
{
return 0;
}
-/* Sun, 06 Nov 1994 08:49:37 GMT */
-static char *http_date(time_t t)
-{
- static char day[][4] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
- static char month[][4] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
- "Jul", "Aug", "Sep", "Oct", "Now", "Dec"};
- struct tm *tm = gmtime(&t);
- return fmt("%s, %02d %s %04d %02d:%02d:%02d GMT", day[tm->tm_wday],
- tm->tm_mday, month[tm->tm_mon], 1900+tm->tm_year,
- tm->tm_hour, tm->tm_min, tm->tm_sec);
-}
-
-static int ttl_seconds(int ttl)
-{
- if (ttl<0)
- return 60 * 60 * 24 * 365;
- else
- return ttl * 60;
-}
-
-static void cgit_print_docstart(char *title)
-{
- html("Content-Type: text/html; charset=utf-8\n");
- htmlf("Last-Modified: %s\n", http_date(cacheitem.st.st_mtime));
- htmlf("Expires: %s\n", http_date(cacheitem.st.st_mtime +
- ttl_seconds(cacheitem.ttl)));
- html("\n");
- html(cgit_doctype);
- html("<html>\n");
- html("<head>\n");
- html("<title>");
- html_txt(title);
- html("</title>\n");
- htmlf("<meta name='generator' content='cgit v%s'/>\n", cgit_version);
- html("<link rel='stylesheet' type='text/css' href='");
- html_attr(cgit_css);
- html("'/>\n");
- html("</head>\n");
- html("<body>\n");
-}
-
-static void cgit_print_docend()
-{
- html("</body>\n</html>\n");
-}
-
-static void cgit_print_pageheader(char *title)
-{
- html("<div id='header'>");
- htmlf("<a href='%s'>", cgit_logo_link);
- htmlf("<img id='logo' src='%s'/>\n", cgit_logo);
- htmlf("</a>");
- html_txt(title);
- html("</div>");
-}
-
-static void cgit_print_repolist()
-{
- DIR *d;
- struct dirent *de;
- struct stat st;
- char *name;
-
- chdir(cgit_root);
- cgit_print_docstart(cgit_root_title);
- cgit_print_pageheader(cgit_root_title);
-
- if (!(d = opendir("."))) {
- htmlf(cgit_lib_error, "Unable to scan repository directory",
- strerror(errno));
- cgit_print_docend();
- return;
- }
-
- html("<h2>Repositories</h2>\n");
- html("<table class='list'>");
- html("<tr><th>Name</th><th>Description</th><th>Owner</th></tr>\n");
- while ((de = readdir(d)) != NULL) {
- if (de->d_name[0] == '.')
- continue;
- if (stat(de->d_name, &st) < 0)
- continue;
- if (!S_ISDIR(st.st_mode))
- continue;
-
- cgit_repo_name = cgit_repo_desc = cgit_repo_owner = NULL;
- name = fmt("%s/info/cgit", de->d_name);
- if (cgit_read_config(name, cgit_repo_config_cb))
- continue;
-
- html("<tr><td>");
- html_link_open(cgit_repourl(de->d_name), NULL, NULL);
- html_txt(cgit_repo_name);
- html_link_close();
- html("</td><td>");
- html_txt(cgit_repo_desc);
- html("</td><td>");
- html_txt(cgit_repo_owner);
- html("</td></tr>\n");
- }
- closedir(d);
- html("</table>");
- cgit_print_docend();
-}
-
static void cgit_print_branches()
{
html("<table class='list'>");
unsigned long size;
if (get_sha1_hex(hex, sha1)){
- htmlf(cgit_error, "Bad hex value");
+ cgit_print_error(fmt("Bad hex value: %s", hex));
return;
}
if (sha1_object_info(sha1, type, NULL)){
- htmlf(cgit_error, "Bad object name");
+ cgit_print_error("Bad object name");
return;
}
buf = read_sha1_file(sha1, type, &size);
if (!buf) {
- htmlf(cgit_error, "Error reading object");
+ cgit_print_error("Error reading object");
return;
}
html("</pre>");
}
-static void cgit_print_repo_page()
+static void cgit_print_repo_page(struct cacheitem *item)
{
if (chdir(fmt("%s/%s", cgit_root, cgit_query_repo)) ||
cgit_read_config("info/cgit", cgit_repo_config_cb)) {
char *title = fmt("%s - %s", cgit_root_title, "Bad request");
- cgit_print_docstart(title);
+ cgit_print_docstart(title, item);
cgit_print_pageheader(title);
- htmlf(cgit_lib_error, "Unable to scan repository",
- strerror(errno));
+ cgit_print_error(fmt("Unable to scan repository: %s",
+ strerror(errno)));
cgit_print_docend();
return;
}
setenv("GIT_DIR", fmt("%s/%s", cgit_root, cgit_query_repo), 1);
char *title = fmt("%s - %s", cgit_repo_name, cgit_repo_desc);
- cgit_print_docstart(title);
+ cgit_print_docstart(title, item);
cgit_print_pageheader(title);
if (!cgit_query_page)
cgit_print_repo_summary();
htmlfd = item->fd;
item->st.st_mtime = time(NULL);
if (cgit_query_repo)
- cgit_print_repo_page();
+ cgit_print_repo_page(item);
else
- cgit_print_repolist();
+ cgit_print_repolist(item);
}
static void cgit_refresh_cache(struct cacheitem *item)
{
+ int i = 0;
+
+ cache_prepare(item);
top:
- if (!cache_lookup(item)) {
- if (cache_lock(item)) {
- cgit_fill_cache(item);
- cache_unlock(item);
- } else {
- sched_yield();
+ if (++i > cgit_max_lock_attempts) {
+ die("cgit_refresh_cache: unable to lock %s: %s",
+ item->name, strerror(errno));
+ }
+ if (!cache_exist(item)) {
+ if (!cache_lock(item)) {
+ sleep(1);
goto top;
}
- } else if (cache_expired(item)) {
- if (cache_lock(item)) {
+ if (!cache_exist(item))
cgit_fill_cache(item);
- cache_unlock(item);
- }
+ cache_unlock(item);
+ } else if (cache_expired(item) && cache_lock(item)) {
+ if (cache_expired(item))
+ cgit_fill_cache(item);
+ cache_unlock(item);
}
}