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annotate seobeo/examples/websocket_server_example.c @ 122:96628cf126a0

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[MrJuneJune] Websocket blog.
author June Park <parkjune1995@gmail.com>
date Thu, 08 Jan 2026 06:45:51 -0800
parents 7b1719fa918c
children 7eb79fd91c7e
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7b1719fa918c [Seobeo] Added web socket server.
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1 #include "seobeo/seobeo.h"
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2 #include <stdio.h>
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3 #include <stdlib.h>
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4 #include <string.h>
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5
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6 void Echo_Handler(Seobeo_WebSocket_Server_Connection *p_conn, Seobeo_WebSocket_Message *p_msg, void *p_user_data)
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7 {
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8 (void)p_user_data;
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9
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10 if (p_msg->opcode == SEOBEO_WS_OPCODE_TEXT)
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11 {
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12 printf("[Echo] Received text: %.*s\n", (int)p_msg->length, (char*)p_msg->data);
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13 Seobeo_WebSocket_Server_Send_Text(p_conn, (char*)p_msg->data);
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14 }
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15 else if (p_msg->opcode == SEOBEO_WS_OPCODE_BINARY)
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16 {
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17 printf("[Echo] Received %zu bytes of binary data\n", p_msg->length);
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18 Seobeo_WebSocket_Server_Send_Binary(p_conn, p_msg->data, p_msg->length);
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19 }
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20 }
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21
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22 void Chat_Handler(Seobeo_WebSocket_Server_Connection *p_conn, Seobeo_WebSocket_Message *p_msg, void *p_user_data)
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23 {
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24 (void)p_user_data;
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25
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26 if (p_msg->opcode == SEOBEO_WS_OPCODE_TEXT)
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27 {
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28 char message[2048];
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29 snprintf(message, sizeof(message), "[%s]: %.*s", p_conn->client_id, (int)p_msg->length, (char*)p_msg->data);
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30
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31 printf("[Chat] Broadcasting: %s\n", message);
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32 Seobeo_WebSocket_Server_Broadcast_Text(message);
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33 }
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34 }
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35
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36 void Binary_Handler(Seobeo_WebSocket_Server_Connection *p_conn, Seobeo_WebSocket_Message *p_msg, void *p_user_data)
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37 {
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38 (void)p_user_data;
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39 (void)p_conn;
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40
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41 if (p_msg->opcode == SEOBEO_WS_OPCODE_BINARY)
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42 {
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43 printf("[Binary] Received %zu bytes, broadcasting to all clients\n", p_msg->length);
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44 Seobeo_WebSocket_Server_Broadcast_Binary(p_msg->data, p_msg->length);
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45 }
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46 }
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47
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48 int main()
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49 {
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50 printf("=== Seobeo WebSocket Server Example ===\n\n");
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51
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52 Seobeo_WebSocket_Server_Init();
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53
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54 Seobeo_WebSocket_Server_Register("/echo", Echo_Handler, NULL);
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55 printf("Registered /echo endpoint\n");
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56
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57 Seobeo_WebSocket_Server_Register("/chat", Chat_Handler, NULL);
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58 printf("Registered /chat endpoint\n");
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59
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60 Seobeo_WebSocket_Server_Register("/binary", Binary_Handler, NULL);
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61 printf("Registered /binary endpoint\n");
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62
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63 printf("\nStarting server on port 8080...\n");
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64 printf("\nTest with:\n");
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65 printf(" ws://localhost:8080/echo - Echo server\n");
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66 printf(" ws://localhost:8080/chat - Chat room\n");
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67 printf(" ws://localhost:8080/binary - Binary data broadcast\n");
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68 printf("\n");
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69
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70 Seobeo_Web_Server_Start(NULL, "8080", SEOBEO_MODE_FORK, 0);
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71
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72 return 0;
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73 }