added curl_slist wrapper

Signed-off-by: Michael Krelin <hacker@klever.net>

2 files changed, 40 insertions, 0 deletions

diff --git a/include/opkele/curl.h b/include/opkele/curl.h
index 5cf8e48..bcaf11d 100644
--- a/include/opkele/curl.h
+++ b/include/opkele/curl.h
@@ -1,63 +1,83 @@
 #ifndef __OPKELE_CURL_H
 #define __OPKELE_CURL_H
 
 #include <cassert>
 #include <string>
 #include <algorithm>
 #include <curl/curl.h>
 
 namespace opkele {
     using std::min;
     using std::string;
 
     namespace util {
 
+        class curl_slist_t {
+            public:
+                curl_slist *_s;
+
+                curl_slist_t() : _s(0) { }
+                curl_slist_t(curl_slist *s) : _s(s) { }
+                virtual ~curl_slist_t() throw();
+
+                curl_slist_t& operator=(curl_slist *s);
+
+                operator const curl_slist*(void) const { return _s; }
+                operator curl_slist*(void) { return _s; }
+
+                void append(const char *str);
+                void append(const string& str) {
+                    append(str.c_str()); }
+        };
+
         class curl_t {
             public:
                 CURL *_c;
 
                 curl_t() : _c(0) { }
                 curl_t(CURL *c) : _c(c) { }
                 virtual ~curl_t() throw();
 
                 curl_t& operator=(CURL *c);
 
                 operator const CURL*(void) const { return _c; }
                 operator CURL*(void) { return _c; }
 
                 CURLcode misc_sets();
 
                 template<typename PT>
                     inline CURLcode easy_setopt(CURLoption o,PT p) { assert(_c); return curl_easy_setopt(_c,o,p); }
+                inline CURLcode easy_setopt(CURLoption o,const curl_slist_t& p) {
+                    assert(_c); return curl_easy_setopt(_c,o,(const curl_slist*)p); }
                 CURLcode easy_perform() { assert(_c); return curl_easy_perform(_c); }
                 template<typename IT>
                     inline CURLcode easy_getinfo(CURLINFO i,IT p) { assert(_c); return curl_easy_getinfo(_c,i,p); }
 
                 static inline CURL *easy_init() { return curl_easy_init(); }
 
                 virtual size_t write(void* /* p */,size_t /* s */,size_t /* nm */) { return 0; }
                 CURLcode set_write();
 
                 virtual int progress(double /* dlt */,double /* dln*/ ,double /* ult */,double /* uln */) { return 0; }
                 CURLcode set_progress();
 
                 virtual size_t header(void* /* p */,size_t s,size_t nm) { return s*nm; }
                 CURLcode set_header();
         };
 
         template<int lim>
             class curl_fetch_string_t : public curl_t {
                 public:
                     curl_fetch_string_t(CURL *c)
                         : curl_t(c) { }
                     ~curl_fetch_string_t() throw() { }
 
                     string response;
 
                     size_t write(void *p,size_t size,size_t nmemb) {
                         size_t bytes = size*nmemb;
                         size_t get = min(lim-response.length(),bytes);
                         response.append((const char *)p,get);
                         return get;
                     }
             };
diff --git a/lib/curl.cc b/lib/curl.cc
index 6172828..734e2ca 100644
--- a/lib/curl.cc
+++ b/lib/curl.cc
@@ -1,40 +1,60 @@
+#include <opkele/exception.h>
 #include <opkele/curl.h>
 
 #include "config.h"
 
 namespace opkele {
 
     namespace util {
 
+        curl_slist_t::~curl_slist_t() throw() {
+            if(_s)
+                curl_slist_free_all(_s);
+        }
+
+        curl_slist_t& curl_slist_t::operator=(curl_slist *s) {
+            if(_s)
+                curl_slist_free_all(_s);
+            _s = s;
+            return *this;
+        }
+
+        void curl_slist_t::append(const char *str) {
+            curl_slist *s = curl_slist_append(_s,str);
+            if(!s)
+                throw opkele::exception(OPKELE_CP_ "failed to curl_slist_append()");
+            _s=s;
+        }
+
         curl_t::~curl_t() throw() {
             if(_c)
                 curl_easy_cleanup(_c);
         }
 
         curl_t& curl_t::operator=(CURL *c) {
             if(_c)
                 curl_easy_cleanup(_c);
             _c = c;
             return *this;
         }
 
         CURLcode curl_t::misc_sets() {
             assert(_c);
             CURLcode r;
             (r=easy_setopt(CURLOPT_FOLLOWLOCATION,1))
             || (r=easy_setopt(CURLOPT_MAXREDIRS,5))
             || (r=easy_setopt(CURLOPT_DNS_CACHE_TIMEOUT,120))
             || (r=easy_setopt(CURLOPT_DNS_USE_GLOBAL_CACHE,1))
             || (r=easy_setopt(CURLOPT_USERAGENT,PACKAGE_NAME"/"PACKAGE_SRC_VERSION))
             || (r=easy_setopt(CURLOPT_TIMEOUT,20))
         #ifdefDISABLE_CURL_SSL_VERIFYHOST
             || (r=easy_setopt(CURLOPT_SSL_VERIFYHOST,0))
 #endif
         #ifdefDISABLE_CURL_SSL_VERIFYPEER
             || (r=easy_setopt(CURLOPT_SSL_VERIFYPEER,0))
 #endif
             ;
             return r;
         }
 
         static size_t _write(void *p,size_t s,size_t nm,void *stream) {