fix server dockerfile

.github/workflows/cmake.yml

@@ -0,0 +1,38 @@
+name: CMake
+
+on:
+  push:
+    branches: [ master, dev ]
+  pull_request:
+    branches: [ master, dev ]
+
+env:
+  # Customize the CMake build type here (Release, Debug, RelWithDebInfo, etc.)
+  BUILD_TYPE: RelWithDebInfo
+
+jobs:
+  build:
+    # The CMake configure and build commands are platform agnostic and should work equally
+    # well on Windows or Mac.  You can convert this to a matrix build if you need
+    # cross-platform coverage.
+    # See: https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/managing-complex-workflows#using-a-build-matrix
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Configure CMake
+      # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
+      # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
+      run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
+
+    - name: Build
+      # Build your program with the given configuration
+      run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}}
+
+    - name: Test
+      working-directory: ${{github.workspace}}/build
+      # Execute tests defined by the CMake configuration.  
+      # See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail
+      run: ctest -C ${{env.BUILD_TYPE}}
+      

.gitignore

@@ -1,3 +1,4 @@
 # Project exclude paths
 /cmake-build-debug/
 /.idea/
+build

.vscode/launch.json

@@ -0,0 +1,7 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": []
+}

Dockerfile

@@ -0,0 +1,13 @@
+FROM git.legonzaur.fr/legonzaur/qotd/builder:latest AS builder
+
+WORKDIR /opt/builder
+
+COPY ./server .
+RUN cmake -B build -DSTATIC_BUILD=true
+WORKDIR build
+RUN make
+
+FROM scratch 
+COPY --from=builder /opt/builder/build/qotd /
+COPY quotes.txt /
+ENTRYPOINT ["/qotd"]

builder.Dockerfile

@@ -0,0 +1,3 @@
+FROM alpine:latest
+
+RUN apk add --no-cache cmake make gcc musl-dev

client/CMakeLists.txt

@@ -0,0 +1,12 @@
+cmake_minimum_required(VERSION 3.19)
+project(qotd C)
+
+message("STATIC_BUILD=${STATIC_BUILD}")
+
+set(CMAKE_C_STANDARD 99)
+
+add_executable(qotd_c main.c)
+
+if ( STATIC_BUILD ) 
+    target_link_libraries(qotd -static)
+endif()

client/client.c

@@ -0,0 +1 @@
+#include "client.h"

client/client.h

@@ -0,0 +1,3 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>

client/config.h

@@ -0,0 +1 @@
+../server/config.h

client/main.c

@@ -0,0 +1,57 @@
+#include <arpa/inet.h> // inet_addr()
+#include <netdb.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h> // bzero()
+#include <sys/socket.h>
+#include <unistd.h> // read(), write(), close()
+#include <errno.h>
+#include "config.h"
+#define MAX 80
+#define PORT 17
+#define SA struct sockaddr
+
+int main()
+{
+    int sockfd, connfd;
+    struct sockaddr_in servaddr4, cli;
+
+    unsigned int servaddrlength;
+    // socket create and verification
+    sockfd = socket(AF_INET, SOCK_STREAM, 0);
+    if (sockfd == -1)
+    {
+        printf("socket creation failed...\n");
+        exit(0);
+    }
+    else
+        printf("Socket successfully created..\n");
+
+    // assign IP, PORT
+    servaddr4.sin_family = AF_INET;
+    servaddr4.sin_addr.s_addr = inet_addr("127.0.0.1");
+    servaddr4.sin_port = htons(PORT);
+
+    int status = connect(sockfd, (SA *)&servaddr4, sizeof servaddr4);
+    // connect the client socket to server socket
+    if (status != 0)
+    {
+        printf("%i\n", errno);
+        printf("connection with the server failed...\n");
+
+        exit(0);
+    }
+    else
+        printf("connected to the server..\n");
+
+    struct sockaddr *servaddr = (SA *)&servaddr4;
+    unsigned int ss = sizeof servaddr;
+    // function for chat
+    char clientMessage[MESSAGE_STRING_LENGTH] = {0};
+    recvfrom(sockfd, clientMessage, MESSAGE_STRING_LENGTH, 0, servaddr, &ss);
+    printf("From Server : %s", clientMessage);
+
+    // close the socket
+    close(sockfd);
+}

quotes.txt

@@ -0,0 +1 @@
+première ligne \n Deuxième ligne

server/CMakeLists.txt

@@ -1,6 +1,12 @@
 cmake_minimum_required(VERSION 3.19)
 project(qotd C)
 
+message("STATIC_BUILD=${STATIC_BUILD}")
+
 set(CMAKE_C_STANDARD 99)
 
 add_executable(qotd main.c quote.c quote.h server.c server.h config.h)
+
+if ( STATIC_BUILD ) 
+    target_link_libraries(qotd -static)
+endif()

server/quote.c

@@ -5,28 +5,33 @@
 #include "quote.h"
 #include "config.h"
 
-void getRandomQuote(char quote[2048]) {
+void getRandomQuote(char quote[2048])
+{
     int lineCount;
     long line;
 
-    if ((lineCount = getFileLineCount(QUOTES_FILE)) == -1) {
+    if ((lineCount = getFileLineCount(QUOTES_FILE)) == -1)
+    {
         puts("file does not exist");
         exit(-1);
     }
 
-    line = random() % lineCount;
+    line = rand() % lineCount;
 
     getQuote(line, quote);
 }
 
-void getQuote(long line, char quote[2048]) {
+void getQuote(long line, char quote[2048])
+{
     FILE *list;
 
     list = fopen(QUOTES_FILE, "r");
 
     /*skip lines*/
-    while (line > 0) {
-        if (fgetc(list) == '\n') {
+    while (line > 0)
+    {
+        if (fgetc(list) == '\n')
+        {
             line--;
         }
     }
@@ -36,18 +41,22 @@ void getQuote(long line, char quote[2048]) {
     fclose(list);
 }
 
-int getFileLineCount(char *filename) {
+int getFileLineCount(char *filename)
+{
     char c;
     int lineCount = 0;
     FILE *quotesFile = fopen(filename, "r");
 
-    if (quotesFile == NULL) {
+    if (quotesFile == NULL)
+    {
         printf("no quote file found at \"%s\"\n", filename);
         return -1;
     }
 
-    while ((c = (char) fgetc(quotesFile)) != EOF) {
-        if (c == '\n') {
+    while ((c = (char)fgetc(quotesFile)) != EOF)
+    {
+        if (c == '\n')
+        {
             lineCount++;
         }
     }

server/quote.h

@@ -8,8 +8,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <bits/types/FILE.h>
-#include <bits/types/struct_FILE.h>
 
 void getRandomQuote(char quote[2048]);
 

server/server.c

@@ -9,28 +9,35 @@
 
 extern int errno;
 
-_Noreturn void udpListen(int serverSocket, struct sockaddr * clientAddress, unsigned long addressLength) {
+_Noreturn void udpListen(int serverSocket, struct sockaddr *clientAddress, unsigned long addressLength)
+{
     char clientMessage[MESSAGE_STRING_LENGTH], quote[MESSAGE_STRING_LENGTH];
 
-    for (;;) {
+    for (;;)
+    {
         // receive data
 
-        if (recvfrom(serverSocket, clientMessage, MESSAGE_STRING_LENGTH, 0, clientAddress, (socklen_t *) &addressLength) >= 0) {
+        if (recvfrom(serverSocket, clientMessage, MESSAGE_STRING_LENGTH, 0, clientAddress, (socklen_t *)&addressLength) >= 0)
+        {
             printf("received: %s\n", clientMessage);
 
             // send data
             getRandomQuote(quote);
             printf("sending: %s\n", quote);
-            if (sendto(serverSocket, quote, strlen(quote), 0, clientAddress, addressLength) == -1) {
+            if (sendto(serverSocket, quote, strlen(quote), 0, clientAddress, addressLength) == -1)
+            {
                 perror("udp: sendto");
             }
-        } else {
+        }
+        else
+        {
             perror("udp: recvfrom");
         }
     }
 }
 
-void tcpListen(int serverSocket, struct sockaddr * clientAddress, unsigned long addressLength) {
+void tcpListen(int serverSocket, struct sockaddr *clientAddress, unsigned long addressLength)
+{
     int clientSocket;
     char quote[MESSAGE_STRING_LENGTH] = "", clientMessage[MESSAGE_STRING_LENGTH] = "";
 
@@ -39,42 +46,38 @@ void tcpListen(int serverSocket, struct sockaddr * clientAddress, unsigned long
 
     // accept connections
     // TODO: t h r e a d s
-    while ((clientSocket = accept(serverSocket, clientAddress, (socklen_t *) &addressLength)) >= 0) {
+    while ((clientSocket = accept(serverSocket, clientAddress, (socklen_t *)&addressLength)) >= 0)
+    {
         puts("client connected");
 
-        // receive data
-        if (recv(clientSocket, clientMessage, MESSAGE_STRING_LENGTH, 0) >= 0) {
-            printf("client says: %s\n", clientMessage);
-
-            // send data
         getRandomQuote(quote);
         printf("responding: \"%s\"\n", quote);
-            if (send(clientSocket, quote, strlen(quote), 0) == -1) {
+        if (send(clientSocket, quote, strlen(quote), 0) == -1)
+        {
             perror("tcp: send");
         }
-        } else {
-            perror("tcp: recv");
-        }
-
         close(clientSocket);
 
         puts("closed connection");
     }
 
-    if (clientSocket < 0) {
+    if (clientSocket < 0)
+    {
         puts("client connection failed");
         exit(3);
     }
 }
 
-void server(int tcp, int ipv6) {
+void server(int tcp, int ipv6)
+{
     int serverSocket, socketType, socketProtocol;
     unsigned long serverAddressLength, clientAddressLength;
     struct sockaddr *serverAddress, *clientAddress;
     struct sockaddr_in serverAddress4, clientAddress4;
     struct sockaddr_in6 serverAddress6, clientAddress6;
 
-    if (ipv6) {
+    if (ipv6)
+    {
         serverAddress6.sin6_family = AF_INET6;
         serverAddress6.sin6_addr = in6addr_any;
         serverAddress6.sin6_port = htons(DEFAULT_LISTEN_PORT);
@@ -84,7 +87,9 @@ void server(int tcp, int ipv6) {
         clientAddress6.sin6_family = AF_INET6;
         clientAddress = (struct sockaddr *)&clientAddress6;
         clientAddressLength = sizeof clientAddress6;
-    } else {
+    }
+    else
+    {
         serverAddress4.sin_family = AF_INET;
         serverAddress4.sin_addr.s_addr = INADDR_ANY;
         serverAddress4.sin_port = htons(DEFAULT_LISTEN_PORT);
@@ -96,32 +101,40 @@ void server(int tcp, int ipv6) {
         clientAddressLength = sizeof clientAddress4;
     }
 
-    if (tcp) {
+    if (tcp)
+    {
         socketType = SOCK_STREAM;
         socketProtocol = IPPROTO_TCP;
-    } else {
+    }
+    else
+    {
         socketType = SOCK_DGRAM;
         socketProtocol = IPPROTO_UDP;
     }
 
     // create sock
     serverSocket = socket(serverAddress->sa_family, socketType, socketProtocol);
-    if (serverSocket == -1) {
+    if (serverSocket == -1)
+    {
         puts("socket not created");
         exit(1);
     }
     puts("socket created");
 
     // bind sock
-    if (bind(serverSocket, serverAddress, serverAddressLength) < 0) {
+    if (bind(serverSocket, serverAddress, serverAddressLength) < 0)
+    {
         puts("bind failed");
         exit(2);
     }
 
     // TODO: threads to run both at the same time
-    if (tcp) {
+    if (tcp)
+    {
         tcpListen(serverSocket, clientAddress, clientAddressLength);
-    } else {
+    }
+    else
+    {
         udpListen(serverSocket, clientAddress, clientAddressLength);
     }
 }