comparison seobeo/tests/seobeo_sse_server_test.c @ 257:609d3c6aff4e

[seobeo] Add persistent SSE streams Co-authored-by: Copilot <[email protected]>
author MrJuneJune <me@mrjunejune.com>
date Tue, 04 Aug 2026 16:49:11 -0700
parents
children 1f9877b637e9
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equal deleted inserted replaced
256:30c2196d03d4 257:609d3c6aff4e
1 #include "seobeo/seobeo.h"
2
3 #include <assert.h>
4 #include <errno.h>
5 #include <stdio.h>
6 #include <stdlib.h>
7 #include <string.h>
8 #include <sys/socket.h>
9 #include <sys/wait.h>
10 #include <unistd.h>
11
12 static int reserve_port(void)
13 {
14 int socket_fd = socket(AF_INET, SOCK_STREAM, 0);
15 assert(socket_fd >= 0);
16 struct sockaddr_in address = {
17 .sin_family = AF_INET,
18 .sin_addr.s_addr = htonl(INADDR_LOOPBACK),
19 .sin_port = 0,
20 };
21 assert(bind(
22 socket_fd,
23 (struct sockaddr *)&address,
24 sizeof(address)) == 0);
25 socklen_t length = sizeof(address);
26 assert(getsockname(
27 socket_fd,
28 (struct sockaddr *)&address,
29 &length) == 0);
30 int port = ntohs(address.sin_port);
31 close(socket_fd);
32 return port;
33 }
34
35 static int connect_to(int port)
36 {
37 int socket_fd = socket(AF_INET, SOCK_STREAM, 0);
38 if (socket_fd < 0)
39 return -1;
40 struct timeval timeout = {
41 .tv_sec = 3,
42 };
43 setsockopt(
44 socket_fd,
45 SOL_SOCKET,
46 SO_RCVTIMEO,
47 &timeout,
48 sizeof(timeout));
49 struct sockaddr_in address = {
50 .sin_family = AF_INET,
51 .sin_addr.s_addr = htonl(INADDR_LOOPBACK),
52 .sin_port = htons((uint16)port),
53 };
54 if (connect(
55 socket_fd,
56 (struct sockaddr *)&address,
57 sizeof(address)) != 0)
58 {
59 close(socket_fd);
60 return -1;
61 }
62 return socket_fd;
63 }
64
65 static void send_request(int socket_fd, const char *path)
66 {
67 char request[512];
68 int length = snprintf(
69 request,
70 sizeof(request),
71 "GET %s HTTP/1.1\r\n"
72 "Host: 127.0.0.1\r\n"
73 "Connection: keep-alive\r\n"
74 "\r\n",
75 path);
76 assert(length > 0 && (size_t)length < sizeof(request));
77 assert(send(socket_fd, request, (size_t)length, 0) == length);
78 }
79
80 static size_t receive_until(
81 int socket_fd,
82 char *buffer,
83 size_t capacity,
84 const char *needle)
85 {
86 size_t used = 0;
87 while (used + 1 < capacity)
88 {
89 ssize_t amount = recv(
90 socket_fd,
91 buffer + used,
92 capacity - used - 1,
93 0);
94 assert(amount > 0);
95 used += (size_t)amount;
96 buffer[used] = '\0';
97 if (strstr(buffer, needle))
98 return used;
99 }
100 assert(FALSE && "response exceeded test buffer");
101 return 0;
102 }
103
104 static pid_t start_server(
105 const char *binary,
106 const char *port)
107 {
108 pid_t pid = fork();
109 assert(pid >= 0);
110 if (pid == 0)
111 {
112 execl(binary, binary, port, NULL);
113 _exit(127);
114 }
115
116 int numeric_port = atoi(port);
117 for (int attempt = 0; attempt < 100; attempt++)
118 {
119 int socket_fd = connect_to(numeric_port);
120 if (socket_fd >= 0)
121 {
122 close(socket_fd);
123 return pid;
124 }
125 usleep(20000);
126 }
127 kill(pid, SIGTERM);
128 waitpid(pid, NULL, 0);
129 assert(FALSE && "SSE test server did not start");
130 return -1;
131 }
132
133 int main(int argc, char **argv)
134 {
135 assert(argc == 2);
136 int port = reserve_port();
137 char port_text[16];
138 snprintf(port_text, sizeof(port_text), "%d", port);
139 pid_t server = start_server(argv[1], port_text);
140
141 int event_socket = connect_to(port);
142 assert(event_socket >= 0);
143 send_request(event_socket, "/events");
144 char events[4096] = {0};
145 receive_until(
146 event_socket,
147 events,
148 sizeof(events),
149 "data: later\n\n");
150 assert(strstr(events, "HTTP/1.1 200 OK\r\n"));
151 assert(strstr(events, "Content-Type: text/event-stream\r\n"));
152 assert(strstr(events, "data: connected\n\n"));
153
154 int health_socket = connect_to(port);
155 assert(health_socket >= 0);
156 send_request(health_socket, "/health");
157 assert(shutdown(health_socket, SHUT_WR) == 0);
158 char health[1024] = {0};
159 receive_until(health_socket, health, sizeof(health), "\r\n\r\nok");
160 assert(strstr(health, "HTTP/1.1 200 OK\r\n"));
161
162 close(health_socket);
163 close(event_socket);
164 kill(server, SIGTERM);
165 waitpid(server, NULL, 0);
166 printf("Seobeo SSE server integration test passed\n");
167 return 0;
168 }