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Moved mjpg_streamer to a separate dir

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This commit is contained in:
Sergey Lyubka 2014-09-15 19:05:30 +01:00
parent ce953575e2
commit dbc07c8b00
3 changed files with 117 additions and 94 deletions
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94
examples/mjpg.c
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@ -1,94 +0,0 @@
#include <sys/stat.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <time.h>
#include "mongoose.h"
static void send_file(struct mg_connection *conn, const char *path) {
char buf[1024];
struct stat st;
int n;
FILE *fp;
if (stat(path, &st) == 0 && (fp = fopen(path, "rb")) != NULL) {
mg_printf(conn, "--myboundary\r\nContent-Type: image/jpeg\r\n"
"Content-Length: %llu\r\n\r\n", (unsigned long long) st.st_size);
while ((n = fread(buf, 1, sizeof(buf), fp)) > 0) {
mg_write(conn, buf, n);
}
fclose(fp);
mg_write(conn, "\r\n", 2);
}
}
struct conn_state {
int file_index;
time_t last_poll;
};
static int ev_handler(struct mg_connection *conn, enum mg_event ev) {
const char **file_names = (const char **) conn->server_param;
struct conn_state *state;
int result = MG_FALSE;
if (ev == MG_REQUEST) {
mg_printf(conn, "%s",
"HTTP/1.0 200 OK\r\n" "Cache-Control: no-cache\r\n"
"Pragma: no-cache\r\nExpires: Thu, 01 Dec 1994 16:00:00 GMT\r\n"
"Connection: close\r\nContent-Type: multipart/x-mixed-replace; "
"boundary=--myboundary\r\n\r\n");
send_file(conn, file_names[0]);
state = (struct conn_state *) malloc(sizeof(*state));
conn->connection_param = state;
state->file_index = 1; // First file is already sent
state->last_poll = time(NULL);
result = MG_MORE;
} else if (ev == MG_POLL) {
time_t now = time(NULL);
state = (struct conn_state *) conn->connection_param;
if (state != NULL && now > state->last_poll) {
if (file_names[state->file_index] != NULL) {
send_file(conn, file_names[state->file_index]);
state->file_index++;
if (file_names[state->file_index] == NULL) {
result = MG_TRUE; // No more images, close connection
}
}
state->last_poll = now;
}
} else if (ev == MG_CLOSE) {
free(conn->connection_param);
conn->connection_param = NULL;
} else if (ev == MG_AUTH) {
result = MG_TRUE;
}
return result;
}
int main(int argc, char *argv[]) {
struct mg_server *server;
if (argc < 3) {
printf("Usage: %s image1.jpg image2.jpg ...\n", argv[0]);
return 1;
}
server = mg_create_server(&argv[1], ev_handler);
mg_set_option(server, "listening_port", "8080");
printf("Starting on port %s\n", mg_get_option(server, "listening_port"));
for (;;) {
mg_poll_server(server, 1000);
}
mg_destroy_server(&server);
return 0;
}

12
examples/mjpg_streamer/Makefile Normal file
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# Copyright (c) 2014 Cesanta Software
# All rights reserved
PROG = mjpg_streamer
CFLAGS = -W -Wall -I../.. -g -O0 $(CFLAGS_EXTRA)
SOURCES = $(PROG).c ../../mongoose.c
$(PROG): $(SOURCES)
$(CC) -o $(PROG) $(SOURCES) $(CFLAGS)
clean:
rm -rf $(PROG) *.exe *.dSYM *.obj *.exp .*o *.lib

105
examples/mjpg_streamer/mjpg_streamer.c Normal file
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#include <sys/stat.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <time.h>
#include "mongoose.h"
static void send_file(struct mg_connection *conn, const char *path) {
char buf[1024];
struct stat st;
int n;
FILE *fp;
if (stat(path, &st) == 0 && (fp = fopen(path, "rb")) != NULL) {
mg_printf(conn, "--w00t\r\nContent-Type: image/jpeg\r\n"
"Content-Length: %lu\r\n\r\n", (unsigned long) st.st_size);
while ((n = fread(buf, 1, sizeof(buf), fp)) > 0) {
mg_write(conn, buf, n);
}
fclose(fp);
mg_write(conn, "\r\n", 2);
}
}
struct conn_state {
int file_index;
time_t last_poll;
};
static int ev_handler(struct mg_connection *conn, enum mg_event ev) {
const char **file_names = (const char **) conn->server_param;
struct conn_state *state;
time_t now = time(NULL);
switch (ev) {
case MG_AUTH:
return MG_TRUE;
case MG_REQUEST:
if (strcmp(conn->uri, "/stream") != 0) {
mg_send_header(conn, "Content-Type", "text/html");
mg_printf_data(conn, "%s",
"Go to <a href=/stream>/stream</a> for MJPG stream");
return MG_TRUE;
}
mg_printf(conn, "%s",
"HTTP/1.0 200 OK\r\n" "Cache-Control: no-cache\r\n"
"Pragma: no-cache\r\nExpires: Thu, 01 Dec 1994 16:00:00 GMT\r\n"
"Connection: close\r\nContent-Type: multipart/x-mixed-replace; "
"boundary=--w00t\r\n\r\n");
send_file(conn, file_names[0]);
state = (struct conn_state *) malloc(sizeof(*state));
conn->connection_param = state;
state->file_index = 1; // First file is already sent
state->last_poll = time(NULL);
return MG_MORE;
case MG_POLL:
state = (struct conn_state *) conn->connection_param;
if (state != NULL && now > state->last_poll) {
if (file_names[state->file_index] != NULL) {
send_file(conn, file_names[state->file_index]);
state->file_index++;
if (file_names[state->file_index] == NULL) {
return MG_TRUE; // No more images, close connection
}
}
state->last_poll = now;
}
return MG_FALSE;
case MG_CLOSE:
free(conn->connection_param);
conn->connection_param = NULL;
return MG_FALSE;
default:
return MG_FALSE;
}
}
int main(int argc, char *argv[]) {
struct mg_server *server;
if (argc < 3) {
printf("Usage: %s image1.jpg image2.jpg ...\n", argv[0]);
return 1;
}
server = mg_create_server(&argv[1], ev_handler);
mg_set_option(server, "listening_port", "8080");
printf("Starting on port %s\n", mg_get_option(server, "listening_port"));
for (;;) {
mg_poll_server(server, 1000);
}
mg_destroy_server(&server);
return 0;
}