Very simple http server

examples/CMakeLists.txt

@@ -1,3 +1,4 @@
 include_directories(${CMAKE_CURRENT_SOURCE_DIR})
 
-add_subdirectory(cli)
+add_subdirectory(cli)
+add_subdirectory(server)

examples/server/CMakeLists.txt

@@ -0,0 +1,6 @@
+set(TARGET sd-server)
+
+add_executable(${TARGET} main.cpp)
+install(TARGETS ${TARGET} RUNTIME)
+target_link_libraries(${TARGET} PRIVATE stable-diffusion ${CMAKE_THREAD_LIBS_INIT})
+target_compile_features(${TARGET} PUBLIC cxx_std_17)

examples/server/b64.cpp

@@ -0,0 +1,42 @@
+
+//FROM
+//https://stackoverflow.com/a/34571089/5155484
+
+static const std::string b = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";//=
+static std::string base64_encode(const std::string &in) {
+    std::string out;
+
+    int val=0, valb=-6;
+    for (uint8_t c : in) {
+        val = (val<<8) + c;
+        valb += 8;
+        while (valb>=0) {
+            out.push_back(b[(val>>valb)&0x3F]);
+            valb-=6;
+        }
+    }
+    if (valb>-6) out.push_back(b[((val<<8)>>(valb+8))&0x3F]);
+    while (out.size()%4) out.push_back('=');
+    return out;
+}
+
+
+static std::string base64_decode(const std::string &in) {
+
+    std::string out;
+
+    std::vector<int> T(256,-1);
+    for (int i=0; i<64; i++) T[b[i]] = i;
+
+    int val=0, valb=-8;
+    for (uint8_t c : in) {
+        if (T[c] == -1) break;
+        val = (val<<6) + T[c];
+        valb += 6;
+        if (valb>=0) {
+            out.push_back(char((val>>valb)&0xFF));
+            valb-=8;
+        }
+    }
+    return out;
+}