added libevent and fixed c23

.gitmodules

@@ -1,3 +1,9 @@
 [submodule "extern/openssl"]
 	path = extern/openssl
 	url = https://github.com/openssl/openssl.git
+[submodule "extern/libevent"]
+	path = extern/libevent
+	url = https://github.com/libevent/libevent.git
+[submodule "extern/log.c"]
+	path = extern/log.c
+	url = https://github.com/rxi/log.c.git

CMakeLists.txt

@@ -4,12 +4,8 @@ project(voice-chat
         VERSION 0.1.0
         LANGUAGES C)
 
-set(C_STANDARD 23)
-set(C_STANDARD_REQUIRED True)
-
-add_executable(${PROJECT_NAME} src/main.c)
-
-set(EXTERN "${PROJECT_SOURCE_DIR}/extern")
+set(CMAKE_C_STANDARD 23)
+set(CMAKE_C_STANDARD_REQUIRED True)
 
 # Pull all submodules if haven't already
 find_package(Git QUIET)
@@ -26,9 +22,24 @@ if(GIT_FOUND AND EXISTS "${PROJECT_SOURCE_DIR}/.git")
     endif()
 endif()
 
-# if(NOT EXISTS "${PROJECT_SOURCE_DIR}/extern/openssl/CMakeLists.txt")
-#     message(FATAL_ERROR "The submodules were not downloaded! GIT_SUBMODULE was turned off or failed. Please update submodules and try again.")
-# endif()
+if(NOT EXISTS "${PROJECT_SOURCE_DIR}/extern/libevent/CMakeLists.txt")
+    message(FATAL_ERROR "The submodules were not downloaded! GIT_SUBMODULE was turned off or failed. Please update submodules and try again.")
+endif()
+
+if(NOT EXISTS "${PROJECT_SOURCE_DIR}/extern/openssl/Configure")
+    message(FATAL_ERROR "The submodules were not downloaded! GIT_SUBMODULE was turned off or failed. Please update submodules and try again.")
+endif()
+
+set(EXTERN "${PROJECT_SOURCE_DIR}/extern")
+
+add_executable(${PROJECT_NAME} 
+    src/main.c
+    "${EXTERN}/log.c/src/log.c"
+)
+
+target_include_directories(${PROJECT_NAME} PRIVATE
+    "${PROJECT_SOURCE_DIR}/src"
+)
 
 set(BUILD_DYNAMIC_LIBS ON  CACHE BOOL "" FORCE)
 set(BUILD_STATIC_LIBS  ON  CACHE BOOL "" FORCE)
@@ -45,3 +56,9 @@ target_link_directories(${PROJECT_NAME} PRIVATE "${EXTERN}/openssl")
 target_link_libraries(${PROJECT_NAME} PRIVATE ssl crypto)
 target_include_directories(${PROJECT_NAME} PRIVATE "${EXTERN}/openssl/include")
 
+# libevent
+add_subdirectory("${EXTERN}/libevent")
+target_include_directories(${PROJECT_NAME} PRIVATE "${EXTERN}/libevent/include")
+
+# log.c
+target_include_directories(${PROJECT_NAME} PRIVATE "${EXTERN}/log.c/src")

CMakePresets.json

@@ -7,8 +7,12 @@
             "generator": "Ninja",
             "binaryDir": "${sourceDir}/build",
             "cacheVariables": {
+                "CMAKE_C_COMPILER": "clang",
+
                 "CMAKE_BUILD_TYPE": "DEBUG",
-                "CMAKE_EXPORT_COMPILE_COMMANDS": "ON",
+                "CMAKE_EXPORT_COMPILE_COMMANDS": true,
+
+                "EVENT__ENABLE_VERBOSE_DEBUG": true
             }
         }
     ],

extern/libevent

@@ -0,0 +1 @@
+Subproject commit a994a52d5373d6284b27576efa617aff2baa7bd3

extern/log.c

@@ -0,0 +1 @@
+Subproject commit f9ea34994bd58ed342d2245cd4110bb5c6790153

src/main.c

@@ -1,95 +1,89 @@
-// beep.c
-// Build (Linux/macOS): cc beep.c -lm -o beep
-// Build (Windows MSVC): cl /O2 beep.c
-
-#define MINIAUDIO_IMPLEMENTATION
-#include "miniaudio.h"
-
-#include <math.h>
-#include <stdint.h>
+#include <arpa/inet.h>
+#include <errno.h>
+#include <netinet/in.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <openssl/ssl3.h>
+#include <netdb.h>
+#include <stdarg.h>
 #include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include "log.h"
 
-typedef struct {
-    double phase;
-    double phase_inc;
-    uint32_t frames_left;
-    ma_uint32 channels;
-} beep_state;
+void
+die(const char *errstr, ...) {
+	va_list ap;
 
-static void data_callback(ma_device* dev, void* out, const void* in, ma_uint32 frameCount)
-{
-    (void)in;
-    beep_state* s = (beep_state*)dev->pUserData;
-    float* output = (float*)out;
-
-    ma_uint32 framesToWrite = frameCount;
-    if (s->frames_left < framesToWrite) framesToWrite = s->frames_left;
-
-    for (ma_uint32 i = 0; i < framesToWrite; i++) {
-        float sample = (float)sin(s->phase) * 0.2f; // volume
-        s->phase += s->phase_inc;
-
-        // keep phase bounded (optional)
-        if (s->phase >= (2.0 * M_PI)) s->phase -= (2.0 * M_PI);
-
-        for (ma_uint32 ch = 0; ch < s->channels; ch++) {
-            output[i * s->channels + ch] = sample;
-        }
-    }
-
-    // If we ran out early, zero the rest (silence).
-    for (ma_uint32 i = framesToWrite; i < frameCount; i++) {
-        for (ma_uint32 ch = 0; ch < s->channels; ch++) {
-            output[i * s->channels + ch] = 0.0f;
-        }
-    }
-
-    s->frames_left -= framesToWrite;
-
-    // Stop after the beep finishes.
-    if (s->frames_left == 0) {
-        ma_device_stop(dev); // safe to request stop
-    }
+	va_start(ap, errstr);
+	vfprintf(stderr, errstr, ap);
+	va_end(ap);
+	exit(1);
 }
 
-int main(void)
-{
-    const double freq = 440.0;
-    const ma_uint32 sampleRate = 48000;
-    const double durationSec = 1.0;
+// Client connection
+typedef struct {
+    int fd;
+} cconnection_t;
 
-    beep_state s = {0};
-    s.phase = 0.0;
-    s.phase_inc = (2.0 * M_PI * freq) / (double)sampleRate;
-    s.frames_left = (uint32_t)(durationSec * (double)sampleRate);
-
-    ma_device_config cfg = ma_device_config_init(ma_device_type_playback);
-    cfg.playback.format   = ma_format_f32;
-    cfg.playback.channels = 2;
-    cfg.sampleRate        = sampleRate;
-    cfg.dataCallback      = data_callback;
-    cfg.pUserData         = &s;
-
-    ma_device dev;
-    if (ma_device_init(NULL, &cfg, &dev) != MA_SUCCESS) {
-        fprintf(stderr, "Failed to init audio device\n");
-        return 1;
+void*
+get_in_addr(struct sockaddr *addr) {
+    if (addr->sa_family == AF_INET) {
+        return &((struct sockaddr_in*)addr)->sin_addr;
     }
 
-    s.channels = dev.playback.channels; // in case backend adjusts
+    return &((struct sockaddr_in6*)addr)->sin6_addr;
+}
 
-    if (ma_device_start(&dev) != MA_SUCCESS) {
-        fprintf(stderr, "Failed to start audio device\n");
-        ma_device_uninit(&dev);
-        return 1;
+// Returns error or nullptr
+char*
+connect_server(char *hostname, char *port, cconnection_t *connection) {
+    int rv;
+    struct addrinfo hints, *res, *p;
+
+    memset(&hints, 0, sizeof(hints));
+    hints.ai_family = AF_UNSPEC;
+    hints.ai_socktype = SOCK_STREAM;
+    hints.ai_flags = AI_PASSIVE;
+
+    if ((rv = getaddrinfo(hostname, port, &hints, &res)) != 0) {
+        die("error getting address info: %s\n", gai_strerror(rv));
     }
 
-    // Wait until callback stops the device.
-    while (ma_device_is_started(&dev)) {
-        ma_sleep(10);
+    int fd;
+    char ip_str[INET6_ADDRSTRLEN];
+    for (p = res; p != nullptr; p = p->ai_next) {
+        if ((fd = socket(p->ai_family, p->ai_socktype, p->ai_protocol)) == -1) {
+            close(fd);
+            continue;
+        }
+
+        inet_ntop(p->ai_family, get_in_addr(p->ai_addr), ip_str, sizeof(ip_str));
+        if (connect(fd, p->ai_addr, p->ai_addrlen) != 0) {
+            log_warn("Connection to %s:%s unsuccessful. %s", ip_str, port, strerror(errno));
+            continue;
+        }
+
+        log_info("Connection to %s successful", ip_str);
+        break;
     }
 
-    ma_device_uninit(&dev);
+    if (p == nullptr) {
+        ssize_t err_size = 512;
+        char *err = malloc(512);
+        snprintf(err, err_size, "Failed to connect to %s:%s", hostname, port);
+        return err;
+    }
+
+    freeaddrinfo(res);
+
+    
+    return nullptr;
+}
+
+int 
+main() {
+    if(nullptr == NULL) return 1;
     return 0;
 }
-

src/types.h

@@ -1,4 +1,4 @@
-// num types
+// types
 #pragma once
 
 #include <stdint.h>